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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /media/libtremor
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/libtremor')
-rw-r--r--media/libtremor/COPYING28
-rw-r--r--media/libtremor/README46
-rw-r--r--media/libtremor/README_MOZILLA7
-rw-r--r--media/libtremor/bug1117571-r19420.patch18
-rw-r--r--media/libtremor/bug719612.patch21
-rw-r--r--media/libtremor/include/tremor/ivorbiscodec.h204
-rw-r--r--media/libtremor/include/tremor/moz.build10
-rw-r--r--media/libtremor/lib/asm_arm.h245
-rw-r--r--media/libtremor/lib/backends.h131
-rw-r--r--media/libtremor/lib/block.h24
-rw-r--r--media/libtremor/lib/codebook.h101
-rw-r--r--media/libtremor/lib/codec_internal.h92
-rw-r--r--media/libtremor/lib/lsp_lookup.h136
-rw-r--r--media/libtremor/lib/mdct.h52
-rw-r--r--media/libtremor/lib/mdct_lookup.h540
-rw-r--r--media/libtremor/lib/misc.h250
-rw-r--r--media/libtremor/lib/moz.build35
-rw-r--r--media/libtremor/lib/os.h64
-rw-r--r--media/libtremor/lib/registry.h40
-rw-r--r--media/libtremor/lib/tremor_block.c497
-rw-r--r--media/libtremor/lib/tremor_codebook.c391
-rw-r--r--media/libtremor/lib/tremor_floor0.c438
-rw-r--r--media/libtremor/lib/tremor_floor1.c461
-rw-r--r--media/libtremor/lib/tremor_info.c390
-rw-r--r--media/libtremor/lib/tremor_mapping0.c328
-rw-r--r--media/libtremor/lib/tremor_mdct.c510
-rw-r--r--media/libtremor/lib/tremor_registry.c50
-rw-r--r--media/libtremor/lib/tremor_res012.c374
-rw-r--r--media/libtremor/lib/tremor_sharedbook.c447
-rw-r--r--media/libtremor/lib/tremor_synthesis.c131
-rw-r--r--media/libtremor/lib/tremor_window.c83
-rw-r--r--media/libtremor/lib/window.h27
-rw-r--r--media/libtremor/lib/window_lookup.h2084
-rw-r--r--media/libtremor/moz.build11
-rwxr-xr-xmedia/libtremor/update.sh34
35 files changed, 8300 insertions, 0 deletions
diff --git a/media/libtremor/COPYING b/media/libtremor/COPYING
new file mode 100644
index 0000000000..6111c6c5a6
--- /dev/null
+++ b/media/libtremor/COPYING
@@ -0,0 +1,28 @@
+Copyright (c) 2002, Xiph.org Foundation
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/media/libtremor/README b/media/libtremor/README
new file mode 100644
index 0000000000..1321175322
--- /dev/null
+++ b/media/libtremor/README
@@ -0,0 +1,46 @@
+This README covers the Ogg Vorbis 'Tremor' integer playback codec
+source as of date 2002 09 02, version 1.0.0.
+
+ ******
+
+The C source in this package will build on any ANSI C compiler and
+function completely and properly on any platform. The included build
+system assumes GNU build system and make tools (m4, automake,
+autoconf, libtool and gmake). GCC is not required, although GCC is
+the most tested compiler. To build using GNU tools, type in the
+source directory:
+
+./autogen.sh
+make
+
+Currently, the source implements playback in pure C on all platforms
+except ARM, where a [currently] small amount of assembly (see
+asm_arm.h) is used to implement 64 bit math operations and fast LSP
+computation. If building on ARM without the benefit of GNU build
+system tools, be sure that '_ARM_ASSEM_' is #defined by the build
+system if this assembly is desired, else the resulting library will
+use whatever 64 bit math builtins the compiler implements.
+
+No math library is required by this source. No floating point
+operations are used at any point in either setup or decode. This
+decoder library will properly decode any past, current or future
+Vorbis I file or stream.
+
+ ********
+
+The build system produces a static and [when supported by the OS]
+dynamic library named 'libvorbisidec'. This library exposes an API
+nearly identical to the BSD reference library's 'libvorbisfile',
+including all the features familiar to users of vorbisfile. This API
+is similar enough that the proper header file to include is named
+'ivorbisfile.h' [included in the source build directory]. Lower level
+libvorbis-style headers and structures are in 'ivorbiscodec.h'
+[included in the source build directory]. A simple example program,
+ivorbisfile_example.c, can be built with 'make example'.
+
+ ********
+
+Detailed Tremor API Documentation begins at doc/index.html
+
+Monty
+xiph.org
diff --git a/media/libtremor/README_MOZILLA b/media/libtremor/README_MOZILLA
new file mode 100644
index 0000000000..ee67b53a05
--- /dev/null
+++ b/media/libtremor/README_MOZILLA
@@ -0,0 +1,7 @@
+The source from this directory was copied from the libtremor
+subversion repository using the update.sh script. The only changes
+made were those applied by update.sh and the addition/upate of
+Makefile.in files for the Mozilla build system.
+
+The upstream release used was http://svn.xiph.org/trunk/Tremor/
+The subversion revision used was r17547.
diff --git a/media/libtremor/bug1117571-r19420.patch b/media/libtremor/bug1117571-r19420.patch
new file mode 100644
index 0000000000..02de5e68ff
--- /dev/null
+++ b/media/libtremor/bug1117571-r19420.patch
@@ -0,0 +1,18 @@
+diff -r 55f3224d7513 media/libtremor/lib/tremor_synthesis.c
+--- a/media/libtremor/lib/tremor_synthesis.c Sat Jan 03 20:02:33 2015 -0800
++++ b/media/libtremor/lib/tremor_synthesis.c Sun Jan 04 11:17:29 2015 -0800
+@@ -119,13 +119,13 @@ long vorbis_packet_blocksize(vorbis_info
+ while(v>1){
+ modebits++;
+ v>>=1;
+ }
+
+ /* read our mode and pre/post windowsize */
+ mode=oggpack_read(&opb,modebits);
+ }
+- if(mode==-1)return(OV_EBADPACKET);
++ if(mode==-1 || !ci->mode_param[mode])return(OV_EBADPACKET);
+ return(ci->blocksizes[ci->mode_param[mode]->blockflag]);
+ }
+
+
diff --git a/media/libtremor/bug719612.patch b/media/libtremor/bug719612.patch
new file mode 100644
index 0000000000..36ac84f66c
--- /dev/null
+++ b/media/libtremor/bug719612.patch
@@ -0,0 +1,21 @@
+diff --git a/media/libtremor/lib/tremor_floor1.c b/media/libtremor/lib/tremor_floor1.c
+--- a/media/libtremor/lib/tremor_floor1.c
++++ b/media/libtremor/lib/tremor_floor1.c
+@@ -103,16 +103,17 @@ static vorbis_info_floor *floor1_unpack
+
+ /* read the post list */
+ info->mult=oggpack_read(opb,2)+1; /* only 1,2,3,4 legal now */
+ rangebits=oggpack_read(opb,4);
+ if(rangebits<0)goto err_out;
+
+ for(j=0,k=0;j<info->partitions;j++){
+ count+=info->class_dim[info->partitionclass[j]];
++ if(count>VIF_POSIT)goto err_out;
+ for(;k<count;k++){
+ int t=info->postlist[k+2]=oggpack_read(opb,rangebits);
+ if(t<0 || t>=(1<<rangebits))
+ goto err_out;
+ }
+ }
+ info->postlist[0]=0;
+ info->postlist[1]=1<<rangebits;
diff --git a/media/libtremor/include/tremor/ivorbiscodec.h b/media/libtremor/include/tremor/ivorbiscodec.h
new file mode 100644
index 0000000000..17eab58d46
--- /dev/null
+++ b/media/libtremor/include/tremor/ivorbiscodec.h
@@ -0,0 +1,204 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: libvorbis codec headers
+
+ ********************************************************************/
+
+#ifndef _vorbis_codec_h_
+#define _vorbis_codec_h_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+#include <ogg/ogg.h>
+
+typedef struct vorbis_info{
+ int version;
+ int channels;
+ long rate;
+
+ /* The below bitrate declarations are *hints*.
+ Combinations of the three values carry the following implications:
+
+ all three set to the same value:
+ implies a fixed rate bitstream
+ only nominal set:
+ implies a VBR stream that averages the nominal bitrate. No hard
+ upper/lower limit
+ upper and or lower set:
+ implies a VBR bitstream that obeys the bitrate limits. nominal
+ may also be set to give a nominal rate.
+ none set:
+ the coder does not care to speculate.
+ */
+
+ long bitrate_upper;
+ long bitrate_nominal;
+ long bitrate_lower;
+ long bitrate_window;
+
+ void *codec_setup;
+} vorbis_info;
+
+/* vorbis_dsp_state buffers the current vorbis audio
+ analysis/synthesis state. The DSP state belongs to a specific
+ logical bitstream ****************************************************/
+typedef struct vorbis_dsp_state{
+ int analysisp;
+ vorbis_info *vi;
+
+ ogg_int32_t **pcm;
+ ogg_int32_t **pcmret;
+ int pcm_storage;
+ int pcm_current;
+ int pcm_returned;
+
+ int preextrapolate;
+ int eofflag;
+
+ long lW;
+ long W;
+ long nW;
+ long centerW;
+
+ ogg_int64_t granulepos;
+ ogg_int64_t sequence;
+
+ void *backend_state;
+} vorbis_dsp_state;
+
+typedef struct vorbis_block{
+ /* necessary stream state for linking to the framing abstraction */
+ ogg_int32_t **pcm; /* this is a pointer into local storage */
+ oggpack_buffer opb;
+
+ long lW;
+ long W;
+ long nW;
+ int pcmend;
+ int mode;
+
+ int eofflag;
+ ogg_int64_t granulepos;
+ ogg_int64_t sequence;
+ vorbis_dsp_state *vd; /* For read-only access of configuration */
+
+ /* local storage to avoid remallocing; it's up to the mapping to
+ structure it */
+ void *localstore;
+ long localtop;
+ long localalloc;
+ long totaluse;
+ struct alloc_chain *reap;
+
+} vorbis_block;
+
+/* vorbis_block is a single block of data to be processed as part of
+the analysis/synthesis stream; it belongs to a specific logical
+bitstream, but is independant from other vorbis_blocks belonging to
+that logical bitstream. *************************************************/
+
+struct alloc_chain{
+ void *ptr;
+ struct alloc_chain *next;
+};
+
+/* vorbis_info contains all the setup information specific to the
+ specific compression/decompression mode in progress (eg,
+ psychoacoustic settings, channel setup, options, codebook
+ etc). vorbis_info and substructures are in backends.h.
+*********************************************************************/
+
+/* the comments are not part of vorbis_info so that vorbis_info can be
+ static storage */
+typedef struct vorbis_comment{
+ /* unlimited user comment fields. libvorbis writes 'libvorbis'
+ whatever vendor is set to in encode */
+ char **user_comments;
+ int *comment_lengths;
+ int comments;
+ char *vendor;
+
+} vorbis_comment;
+
+
+/* libvorbis encodes in two abstraction layers; first we perform DSP
+ and produce a packet (see docs/analysis.txt). The packet is then
+ coded into a framed OggSquish bitstream by the second layer (see
+ docs/framing.txt). Decode is the reverse process; we sync/frame
+ the bitstream and extract individual packets, then decode the
+ packet back into PCM audio.
+
+ The extra framing/packetizing is used in streaming formats, such as
+ files. Over the net (such as with UDP), the framing and
+ packetization aren't necessary as they're provided by the transport
+ and the streaming layer is not used */
+
+/* Vorbis PRIMITIVES: general ***************************************/
+
+extern void vorbis_info_init(vorbis_info *vi);
+extern void vorbis_info_clear(vorbis_info *vi);
+extern int vorbis_info_blocksize(vorbis_info *vi,int zo);
+extern void vorbis_comment_init(vorbis_comment *vc);
+extern void vorbis_comment_add(vorbis_comment *vc, char *comment);
+extern void vorbis_comment_add_tag(vorbis_comment *vc,
+ char *tag, char *contents);
+extern char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count);
+extern int vorbis_comment_query_count(vorbis_comment *vc, char *tag);
+extern void vorbis_comment_clear(vorbis_comment *vc);
+
+extern int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb);
+extern int vorbis_block_clear(vorbis_block *vb);
+extern void vorbis_dsp_clear(vorbis_dsp_state *v);
+
+/* Vorbis PRIMITIVES: synthesis layer *******************************/
+extern int vorbis_synthesis_idheader(ogg_packet *op);
+extern int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
+ ogg_packet *op);
+
+extern int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
+extern int vorbis_synthesis_restart(vorbis_dsp_state *v);
+extern int vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
+extern int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
+extern int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
+extern int vorbis_synthesis_pcmout(vorbis_dsp_state *v,ogg_int32_t ***pcm);
+extern int vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
+extern long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
+
+/* Vorbis ERRORS and return codes ***********************************/
+
+#define OV_FALSE -1
+#define OV_EOF -2
+#define OV_HOLE -3
+
+#define OV_EREAD -128
+#define OV_EFAULT -129
+#define OV_EIMPL -130
+#define OV_EINVAL -131
+#define OV_ENOTVORBIS -132
+#define OV_EBADHEADER -133
+#define OV_EVERSION -134
+#define OV_ENOTAUDIO -135
+#define OV_EBADPACKET -136
+#define OV_EBADLINK -137
+#define OV_ENOSEEK -138
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif
+
diff --git a/media/libtremor/include/tremor/moz.build b/media/libtremor/include/tremor/moz.build
new file mode 100644
index 0000000000..73e4a38c8b
--- /dev/null
+++ b/media/libtremor/include/tremor/moz.build
@@ -0,0 +1,10 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXPORTS.tremor += [
+ 'ivorbiscodec.h',
+]
+
diff --git a/media/libtremor/lib/asm_arm.h b/media/libtremor/lib/asm_arm.h
new file mode 100644
index 0000000000..c3bda005cd
--- /dev/null
+++ b/media/libtremor/lib/asm_arm.h
@@ -0,0 +1,245 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: arm7 and later wide math functions
+
+ ********************************************************************/
+
+#ifdef _ARM_ASSEM_
+
+#if !defined(_V_WIDE_MATH) && !defined(_LOW_ACCURACY_)
+#define _V_WIDE_MATH
+
+static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
+ int lo,hi;
+ asm volatile("smull\t%0, %1, %2, %3"
+ : "=&r"(lo),"=&r"(hi)
+ : "%r"(x),"r"(y)
+ : "cc");
+ return(hi);
+}
+
+static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
+ return MULT32(x,y)<<1;
+}
+
+static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
+ int lo,hi;
+ asm volatile("smull %0, %1, %2, %3\n\t"
+ "movs %0, %0, lsr #15\n\t"
+ "adc %1, %0, %1, lsl #17\n\t"
+ : "=&r"(lo),"=&r"(hi)
+ : "%r"(x),"r"(y)
+ : "cc");
+ return(hi);
+}
+
+#define MB() asm volatile ("" : : : "memory")
+
+static inline void XPROD32(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ int x1, y1, l;
+ asm( "smull %0, %1, %4, %6\n\t"
+ "smlal %0, %1, %5, %7\n\t"
+ "rsb %3, %4, #0\n\t"
+ "smull %0, %2, %5, %6\n\t"
+ "smlal %0, %2, %3, %7"
+ : "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a)
+ : "3" (a), "r" (b), "r" (t), "r" (v)
+ : "cc" );
+ *x = x1;
+ MB();
+ *y = y1;
+}
+
+static inline void XPROD31(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ int x1, y1, l;
+ asm( "smull %0, %1, %4, %6\n\t"
+ "smlal %0, %1, %5, %7\n\t"
+ "rsb %3, %4, #0\n\t"
+ "smull %0, %2, %5, %6\n\t"
+ "smlal %0, %2, %3, %7"
+ : "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a)
+ : "3" (a), "r" (b), "r" (t), "r" (v)
+ : "cc" );
+ *x = x1 << 1;
+ MB();
+ *y = y1 << 1;
+}
+
+static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ int x1, y1, l;
+ asm( "rsb %2, %4, #0\n\t"
+ "smull %0, %1, %3, %5\n\t"
+ "smlal %0, %1, %2, %6\n\t"
+ "smull %0, %2, %4, %5\n\t"
+ "smlal %0, %2, %3, %6"
+ : "=&r" (l), "=&r" (x1), "=&r" (y1)
+ : "r" (a), "r" (b), "r" (t), "r" (v)
+ : "cc" );
+ *x = x1 << 1;
+ MB();
+ *y = y1 << 1;
+}
+
+#endif
+
+#ifndef _V_CLIP_MATH
+#define _V_CLIP_MATH
+
+static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) {
+ int tmp;
+ asm volatile("subs %1, %0, #32768\n\t"
+ "movpl %0, #0x7f00\n\t"
+ "orrpl %0, %0, #0xff\n"
+ "adds %1, %0, #32768\n\t"
+ "movmi %0, #0x8000"
+ : "+r"(x),"=r"(tmp)
+ :
+ : "cc");
+ return(x);
+}
+
+#endif
+
+#ifndef _V_LSP_MATH_ASM
+#define _V_LSP_MATH_ASM
+
+static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip,
+ ogg_int32_t *qexpp,
+ ogg_int32_t *ilsp,ogg_int32_t wi,
+ ogg_int32_t m){
+
+ ogg_uint32_t qi=*qip,pi=*pip;
+ ogg_int32_t qexp=*qexpp;
+
+ asm("mov r0,%3;"
+ "movs r1,%5,asr#1;"
+ "add r0,r0,r1,lsl#3;"
+ "beq 2f;\n"
+ "1:"
+
+ "ldmdb r0!,{r1,r3};"
+ "subs r1,r1,%4;" //ilsp[j]-wi
+ "rsbmi r1,r1,#0;" //labs(ilsp[j]-wi)
+ "umull %0,r2,r1,%0;" //qi*=labs(ilsp[j]-wi)
+
+ "subs r1,r3,%4;" //ilsp[j+1]-wi
+ "rsbmi r1,r1,#0;" //labs(ilsp[j+1]-wi)
+ "umull %1,r3,r1,%1;" //pi*=labs(ilsp[j+1]-wi)
+
+ "cmn r2,r3;" // shift down 16?
+ "beq 0f;"
+ "add %2,%2,#16;"
+ "mov %0,%0,lsr #16;"
+ "orr %0,%0,r2,lsl #16;"
+ "mov %1,%1,lsr #16;"
+ "orr %1,%1,r3,lsl #16;"
+ "0:"
+ "cmp r0,%3;\n"
+ "bhi 1b;\n"
+
+ "2:"
+ // odd filter assymetry
+ "ands r0,%5,#1;\n"
+ "beq 3f;\n"
+ "add r0,%3,%5,lsl#2;\n"
+
+ "ldr r1,[r0,#-4];\n"
+ "mov r0,#0x4000;\n"
+
+ "subs r1,r1,%4;\n" //ilsp[j]-wi
+ "rsbmi r1,r1,#0;\n" //labs(ilsp[j]-wi)
+ "umull %0,r2,r1,%0;\n" //qi*=labs(ilsp[j]-wi)
+ "umull %1,r3,r0,%1;\n" //pi*=labs(ilsp[j+1]-wi)
+
+ "cmn r2,r3;\n" // shift down 16?
+ "beq 3f;\n"
+ "add %2,%2,#16;\n"
+ "mov %0,%0,lsr #16;\n"
+ "orr %0,%0,r2,lsl #16;\n"
+ "mov %1,%1,lsr #16;\n"
+ "orr %1,%1,r3,lsl #16;\n"
+
+ //qi=(pi>>shift)*labs(ilsp[j]-wi);
+ //pi=(qi>>shift)*labs(ilsp[j+1]-wi);
+ //qexp+=shift;
+
+ //}
+
+ /* normalize to max 16 sig figs */
+ "3:"
+ "mov r2,#0;"
+ "orr r1,%0,%1;"
+ "tst r1,#0xff000000;"
+ "addne r2,r2,#8;"
+ "movne r1,r1,lsr #8;"
+ "tst r1,#0x00f00000;"
+ "addne r2,r2,#4;"
+ "movne r1,r1,lsr #4;"
+ "tst r1,#0x000c0000;"
+ "addne r2,r2,#2;"
+ "movne r1,r1,lsr #2;"
+ "tst r1,#0x00020000;"
+ "addne r2,r2,#1;"
+ "movne r1,r1,lsr #1;"
+ "tst r1,#0x00010000;"
+ "addne r2,r2,#1;"
+ "mov %0,%0,lsr r2;"
+ "mov %1,%1,lsr r2;"
+ "add %2,%2,r2;"
+
+ : "+r"(qi),"+r"(pi),"+r"(qexp)
+ : "r"(ilsp),"r"(wi),"r"(m)
+ : "r0","r1","r2","r3","cc");
+
+ *qip=qi;
+ *pip=pi;
+ *qexpp=qexp;
+}
+
+static inline void lsp_norm_asm(ogg_uint32_t *qip,ogg_int32_t *qexpp){
+
+ ogg_uint32_t qi=*qip;
+ ogg_int32_t qexp=*qexpp;
+
+ asm("tst %0,#0x0000ff00;"
+ "moveq %0,%0,lsl #8;"
+ "subeq %1,%1,#8;"
+ "tst %0,#0x0000f000;"
+ "moveq %0,%0,lsl #4;"
+ "subeq %1,%1,#4;"
+ "tst %0,#0x0000c000;"
+ "moveq %0,%0,lsl #2;"
+ "subeq %1,%1,#2;"
+ "tst %0,#0x00008000;"
+ "moveq %0,%0,lsl #1;"
+ "subeq %1,%1,#1;"
+ : "+r"(qi),"+r"(qexp)
+ :
+ : "cc");
+ *qip=qi;
+ *qexpp=qexp;
+}
+
+#endif
+#endif
+
diff --git a/media/libtremor/lib/backends.h b/media/libtremor/lib/backends.h
new file mode 100644
index 0000000000..52024219b1
--- /dev/null
+++ b/media/libtremor/lib/backends.h
@@ -0,0 +1,131 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: backend and mapping structures
+
+ ********************************************************************/
+
+/* this is exposed up here because we need it for static modes.
+ Lookups for each backend aren't exposed because there's no reason
+ to do so */
+
+#ifndef _vorbis_backend_h_
+#define _vorbis_backend_h_
+
+#include "codec_internal.h"
+
+/* this would all be simpler/shorter with templates, but.... */
+/* Transform backend generic *************************************/
+
+/* only mdct right now. Flesh it out more if we ever transcend mdct
+ in the transform domain */
+
+/* Floor backend generic *****************************************/
+typedef struct{
+ vorbis_info_floor *(*unpack)(vorbis_info *,oggpack_buffer *);
+ vorbis_look_floor *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
+ vorbis_info_floor *);
+ void (*free_info) (vorbis_info_floor *);
+ void (*free_look) (vorbis_look_floor *);
+ void *(*inverse1) (struct vorbis_block *,vorbis_look_floor *);
+ int (*inverse2) (struct vorbis_block *,vorbis_look_floor *,
+ void *buffer,ogg_int32_t *);
+} vorbis_func_floor;
+
+typedef struct{
+ int order;
+ long rate;
+ long barkmap;
+
+ int ampbits;
+ int ampdB;
+
+ int numbooks; /* <= 16 */
+ int books[16];
+
+} vorbis_info_floor0;
+
+#define VIF_POSIT 63
+#define VIF_CLASS 16
+#define VIF_PARTS 31
+typedef struct{
+ int partitions; /* 0 to 31 */
+ int partitionclass[VIF_PARTS]; /* 0 to 15 */
+
+ int class_dim[VIF_CLASS]; /* 1 to 8 */
+ int class_subs[VIF_CLASS]; /* 0,1,2,3 (bits: 1<<n poss) */
+ int class_book[VIF_CLASS]; /* subs ^ dim entries */
+ int class_subbook[VIF_CLASS][8]; /* [VIF_CLASS][subs] */
+
+
+ int mult; /* 1 2 3 or 4 */
+ int postlist[VIF_POSIT+2]; /* first two implicit */
+
+} vorbis_info_floor1;
+
+/* Residue backend generic *****************************************/
+typedef struct{
+ vorbis_info_residue *(*unpack)(vorbis_info *,oggpack_buffer *);
+ vorbis_look_residue *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
+ vorbis_info_residue *);
+ void (*free_info) (vorbis_info_residue *);
+ void (*free_look) (vorbis_look_residue *);
+ int (*inverse) (struct vorbis_block *,vorbis_look_residue *,
+ ogg_int32_t **,int *,int);
+} vorbis_func_residue;
+
+typedef struct vorbis_info_residue0{
+/* block-partitioned VQ coded straight residue */
+ long begin;
+ long end;
+
+ /* first stage (lossless partitioning) */
+ int grouping; /* group n vectors per partition */
+ int partitions; /* possible codebooks for a partition */
+ int partvals; /* partitions ^ groupbook dim */
+ int groupbook; /* huffbook for partitioning */
+ int secondstages[64]; /* expanded out to pointers in lookup */
+ int booklist[512]; /* list of second stage books */
+} vorbis_info_residue0;
+
+/* Mapping backend generic *****************************************/
+typedef struct{
+ vorbis_info_mapping *(*unpack)(vorbis_info *,oggpack_buffer *);
+ vorbis_look_mapping *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
+ vorbis_info_mapping *);
+ void (*free_info) (vorbis_info_mapping *);
+ void (*free_look) (vorbis_look_mapping *);
+ int (*inverse) (struct vorbis_block *vb,vorbis_look_mapping *);
+} vorbis_func_mapping;
+
+typedef struct vorbis_info_mapping0{
+ int submaps; /* <= 16 */
+ int chmuxlist[256]; /* up to 256 channels in a Vorbis stream */
+
+ int floorsubmap[16]; /* [mux] submap to floors */
+ int residuesubmap[16]; /* [mux] submap to residue */
+
+ int psy[2]; /* by blocktype; impulse/padding for short,
+ transition/normal for long */
+
+ int coupling_steps;
+ int coupling_mag[256];
+ int coupling_ang[256];
+} vorbis_info_mapping0;
+
+#endif
+
+
+
+
+
diff --git a/media/libtremor/lib/block.h b/media/libtremor/lib/block.h
new file mode 100644
index 0000000000..5e193543d4
--- /dev/null
+++ b/media/libtremor/lib/block.h
@@ -0,0 +1,24 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2008 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: shared block functions
+
+ ********************************************************************/
+
+#ifndef _V_BLOCK_
+#define _V_BLOCK_
+
+extern void _vorbis_block_ripcord(vorbis_block *vb);
+extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
+
+#endif
diff --git a/media/libtremor/lib/codebook.h b/media/libtremor/lib/codebook.h
new file mode 100644
index 0000000000..bb1394260d
--- /dev/null
+++ b/media/libtremor/lib/codebook.h
@@ -0,0 +1,101 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: basic shared codebook operations
+
+ ********************************************************************/
+
+#ifndef _V_CODEBOOK_H_
+#define _V_CODEBOOK_H_
+
+#include <ogg/ogg.h>
+
+/* This structure encapsulates huffman and VQ style encoding books; it
+ doesn't do anything specific to either.
+
+ valuelist/quantlist are nonNULL (and q_* significant) only if
+ there's entry->value mapping to be done.
+
+ If encode-side mapping must be done (and thus the entry needs to be
+ hunted), the auxiliary encode pointer will point to a decision
+ tree. This is true of both VQ and huffman, but is mostly useful
+ with VQ.
+
+*/
+
+typedef struct static_codebook{
+ long dim; /* codebook dimensions (elements per vector) */
+ long entries; /* codebook entries */
+ long *lengthlist; /* codeword lengths in bits */
+
+ /* mapping ***************************************************************/
+ int maptype; /* 0=none
+ 1=implicitly populated values from map column
+ 2=listed arbitrary values */
+
+ /* The below does a linear, single monotonic sequence mapping. */
+ long q_min; /* packed 32 bit float; quant value 0 maps to minval */
+ long q_delta; /* packed 32 bit float; val 1 - val 0 == delta */
+ int q_quant; /* bits: 0 < quant <= 16 */
+ int q_sequencep; /* bitflag */
+
+ long *quantlist; /* map == 1: (int)(entries^(1/dim)) element column map
+ map == 2: list of dim*entries quantized entry vals
+ */
+} static_codebook;
+
+typedef struct codebook{
+ long dim; /* codebook dimensions (elements per vector) */
+ long entries; /* codebook entries */
+ long used_entries; /* populated codebook entries */
+
+ /* the below are ordered by bitreversed codeword and only used
+ entries are populated */
+ int binarypoint;
+ ogg_int32_t *valuelist; /* list of dim*entries actual entry values */
+ ogg_uint32_t *codelist; /* list of bitstream codewords for each entry */
+
+ int *dec_index;
+ char *dec_codelengths;
+ ogg_uint32_t *dec_firsttable;
+ int dec_firsttablen;
+ int dec_maxlength;
+
+ long q_min; /* packed 32 bit float; quant value 0 maps to minval */
+ long q_delta; /* packed 32 bit float; val 1 - val 0 == delta */
+
+} codebook;
+
+extern void vorbis_staticbook_destroy(static_codebook *b);
+extern int vorbis_book_init_decode(codebook *dest,const static_codebook *source);
+
+extern void vorbis_book_clear(codebook *b);
+extern long _book_maptype1_quantvals(const static_codebook *b);
+
+extern static_codebook *vorbis_staticbook_unpack(oggpack_buffer *b);
+
+extern long vorbis_book_decode(codebook *book, oggpack_buffer *b);
+extern long vorbis_book_decodevs_add(codebook *book, ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point);
+extern long vorbis_book_decodev_set(codebook *book, ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point);
+extern long vorbis_book_decodev_add(codebook *book, ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point);
+extern long vorbis_book_decodevv_add(codebook *book, ogg_int32_t **a,
+ long off,int ch,
+ oggpack_buffer *b,int n,int point);
+
+extern int _ilog(unsigned int v);
+
+
+#endif
diff --git a/media/libtremor/lib/codec_internal.h b/media/libtremor/lib/codec_internal.h
new file mode 100644
index 0000000000..3ca7f54724
--- /dev/null
+++ b/media/libtremor/lib/codec_internal.h
@@ -0,0 +1,92 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: libvorbis codec headers
+
+ ********************************************************************/
+
+#ifndef _V_CODECI_H_
+#define _V_CODECI_H_
+
+#include "codebook.h"
+
+typedef void vorbis_look_mapping;
+typedef void vorbis_look_floor;
+typedef void vorbis_look_residue;
+typedef void vorbis_look_transform;
+
+/* mode ************************************************************/
+typedef struct {
+ int blockflag;
+ int windowtype;
+ int transformtype;
+ int mapping;
+} vorbis_info_mode;
+
+typedef void vorbis_info_floor;
+typedef void vorbis_info_residue;
+typedef void vorbis_info_mapping;
+
+typedef struct private_state {
+ /* local lookup storage */
+ const void *window[2];
+
+ /* backend lookups are tied to the mode, not the backend or naked mapping */
+ int modebits;
+ vorbis_look_mapping **mode;
+
+ ogg_int64_t sample_count;
+
+} private_state;
+
+/* codec_setup_info contains all the setup information specific to the
+ specific compression/decompression mode in progress (eg,
+ psychoacoustic settings, channel setup, options, codebook
+ etc).
+*********************************************************************/
+
+typedef struct codec_setup_info {
+
+ /* Vorbis supports only short and long blocks, but allows the
+ encoder to choose the sizes */
+
+ long blocksizes[2];
+
+ /* modes are the primary means of supporting on-the-fly different
+ blocksizes, different channel mappings (LR or M/A),
+ different residue backends, etc. Each mode consists of a
+ blocksize flag and a mapping (along with the mapping setup */
+
+ int modes;
+ int maps;
+ int times;
+ int floors;
+ int residues;
+ int books;
+
+ vorbis_info_mode *mode_param[64];
+ int map_type[64];
+ vorbis_info_mapping *map_param[64];
+ int time_type[64];
+ int floor_type[64];
+ vorbis_info_floor *floor_param[64];
+ int residue_type[64];
+ vorbis_info_residue *residue_param[64];
+ static_codebook *book_param[256];
+ codebook *fullbooks;
+
+ int passlimit[32]; /* iteration limit per couple/quant pass */
+ int coupling_passes;
+} codec_setup_info;
+
+#endif
diff --git a/media/libtremor/lib/lsp_lookup.h b/media/libtremor/lib/lsp_lookup.h
new file mode 100644
index 0000000000..7162392b8b
--- /dev/null
+++ b/media/libtremor/lib/lsp_lookup.h
@@ -0,0 +1,136 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: lookup data
+
+ ********************************************************************/
+
+#ifndef _V_LOOKUP_DATA_H_
+#define _V_LOOKUP_DATA_H_
+
+#include <ogg/os_types.h>
+
+#define FROMdB_LOOKUP_SZ 35
+#define FROMdB2_LOOKUP_SZ 32
+#define FROMdB_SHIFT 5
+#define FROMdB2_SHIFT 3
+#define FROMdB2_MASK 31
+
+static const ogg_int32_t FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
+ 0x003fffff, 0x0028619b, 0x00197a96, 0x0010137a,
+ 0x000a24b0, 0x00066666, 0x000409c3, 0x00028c42,
+ 0x00019b8c, 0x000103ab, 0x0000a3d7, 0x00006760,
+ 0x0000413a, 0x00002928, 0x000019f8, 0x00001062,
+ 0x00000a56, 0x00000686, 0x0000041e, 0x00000299,
+ 0x000001a3, 0x00000109, 0x000000a7, 0x00000069,
+ 0x00000042, 0x0000002a, 0x0000001a, 0x00000011,
+ 0x0000000b, 0x00000007, 0x00000004, 0x00000003,
+ 0x00000002, 0x00000001, 0x00000001};
+
+static const ogg_int32_t FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
+ 0x000001fc, 0x000001f5, 0x000001ee, 0x000001e7,
+ 0x000001e0, 0x000001d9, 0x000001d2, 0x000001cc,
+ 0x000001c5, 0x000001bf, 0x000001b8, 0x000001b2,
+ 0x000001ac, 0x000001a6, 0x000001a0, 0x0000019a,
+ 0x00000194, 0x0000018e, 0x00000188, 0x00000183,
+ 0x0000017d, 0x00000178, 0x00000172, 0x0000016d,
+ 0x00000168, 0x00000163, 0x0000015e, 0x00000159,
+ 0x00000154, 0x0000014f, 0x0000014a, 0x00000145,
+};
+
+#define INVSQ_LOOKUP_I_SHIFT 10
+#define INVSQ_LOOKUP_I_MASK 1023
+static const long INVSQ_LOOKUP_I[64+1]={
+ 92682, 91966, 91267, 90583,
+ 89915, 89261, 88621, 87995,
+ 87381, 86781, 86192, 85616,
+ 85051, 84497, 83953, 83420,
+ 82897, 82384, 81880, 81385,
+ 80899, 80422, 79953, 79492,
+ 79039, 78594, 78156, 77726,
+ 77302, 76885, 76475, 76072,
+ 75674, 75283, 74898, 74519,
+ 74146, 73778, 73415, 73058,
+ 72706, 72359, 72016, 71679,
+ 71347, 71019, 70695, 70376,
+ 70061, 69750, 69444, 69141,
+ 68842, 68548, 68256, 67969,
+ 67685, 67405, 67128, 66855,
+ 66585, 66318, 66054, 65794,
+ 65536,
+};
+
+static const long INVSQ_LOOKUP_IDel[64]={
+ 716, 699, 684, 668,
+ 654, 640, 626, 614,
+ 600, 589, 576, 565,
+ 554, 544, 533, 523,
+ 513, 504, 495, 486,
+ 477, 469, 461, 453,
+ 445, 438, 430, 424,
+ 417, 410, 403, 398,
+ 391, 385, 379, 373,
+ 368, 363, 357, 352,
+ 347, 343, 337, 332,
+ 328, 324, 319, 315,
+ 311, 306, 303, 299,
+ 294, 292, 287, 284,
+ 280, 277, 273, 270,
+ 267, 264, 260, 258,
+};
+
+#define COS_LOOKUP_I_SHIFT 9
+#define COS_LOOKUP_I_MASK 511
+#define COS_LOOKUP_I_SZ 128
+static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
+ 16384, 16379, 16364, 16340,
+ 16305, 16261, 16207, 16143,
+ 16069, 15986, 15893, 15791,
+ 15679, 15557, 15426, 15286,
+ 15137, 14978, 14811, 14635,
+ 14449, 14256, 14053, 13842,
+ 13623, 13395, 13160, 12916,
+ 12665, 12406, 12140, 11866,
+ 11585, 11297, 11003, 10702,
+ 10394, 10080, 9760, 9434,
+ 9102, 8765, 8423, 8076,
+ 7723, 7366, 7005, 6639,
+ 6270, 5897, 5520, 5139,
+ 4756, 4370, 3981, 3590,
+ 3196, 2801, 2404, 2006,
+ 1606, 1205, 804, 402,
+ 0, -401, -803, -1204,
+ -1605, -2005, -2403, -2800,
+ -3195, -3589, -3980, -4369,
+ -4755, -5138, -5519, -5896,
+ -6269, -6638, -7004, -7365,
+ -7722, -8075, -8422, -8764,
+ -9101, -9433, -9759, -10079,
+ -10393, -10701, -11002, -11296,
+ -11584, -11865, -12139, -12405,
+ -12664, -12915, -13159, -13394,
+ -13622, -13841, -14052, -14255,
+ -14448, -14634, -14810, -14977,
+ -15136, -15285, -15425, -15556,
+ -15678, -15790, -15892, -15985,
+ -16068, -16142, -16206, -16260,
+ -16304, -16339, -16363, -16378,
+ -16383,
+};
+
+#endif
+
+
+
+
+
diff --git a/media/libtremor/lib/mdct.h b/media/libtremor/lib/mdct.h
new file mode 100644
index 0000000000..6d8890720c
--- /dev/null
+++ b/media/libtremor/lib/mdct.h
@@ -0,0 +1,52 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: modified discrete cosine transform prototypes
+
+ ********************************************************************/
+
+#ifndef _OGG_mdct_H_
+#define _OGG_mdct_H_
+
+#include "ivorbiscodec.h"
+#include "misc.h"
+
+#define DATA_TYPE ogg_int32_t
+#define REG_TYPE register ogg_int32_t
+
+#ifdef _LOW_ACCURACY_
+#define cPI3_8 (0x0062)
+#define cPI2_8 (0x00b5)
+#define cPI1_8 (0x00ed)
+#else
+#define cPI3_8 (0x30fbc54d)
+#define cPI2_8 (0x5a82799a)
+#define cPI1_8 (0x7641af3d)
+#endif
+
+extern void mdct_forward(int n, DATA_TYPE *in, DATA_TYPE *out);
+extern void mdct_backward(int n, DATA_TYPE *in, DATA_TYPE *out);
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/media/libtremor/lib/mdct_lookup.h b/media/libtremor/lib/mdct_lookup.h
new file mode 100644
index 0000000000..ee4f101c27
--- /dev/null
+++ b/media/libtremor/lib/mdct_lookup.h
@@ -0,0 +1,540 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: sin,cos lookup tables
+
+ ********************************************************************/
+
+#include "misc.h"
+
+/* {sin(2*i*PI/4096), cos(2*i*PI/4096)}, with i = 0 to 512 */
+static const LOOKUP_T sincos_lookup0[1026] = {
+ X(0x00000000), X(0x7fffffff), X(0x003243f5), X(0x7ffff621),
+ X(0x006487e3), X(0x7fffd886), X(0x0096cbc1), X(0x7fffa72c),
+ X(0x00c90f88), X(0x7fff6216), X(0x00fb5330), X(0x7fff0943),
+ X(0x012d96b1), X(0x7ffe9cb2), X(0x015fda03), X(0x7ffe1c65),
+ X(0x01921d20), X(0x7ffd885a), X(0x01c45ffe), X(0x7ffce093),
+ X(0x01f6a297), X(0x7ffc250f), X(0x0228e4e2), X(0x7ffb55ce),
+ X(0x025b26d7), X(0x7ffa72d1), X(0x028d6870), X(0x7ff97c18),
+ X(0x02bfa9a4), X(0x7ff871a2), X(0x02f1ea6c), X(0x7ff75370),
+ X(0x03242abf), X(0x7ff62182), X(0x03566a96), X(0x7ff4dbd9),
+ X(0x0388a9ea), X(0x7ff38274), X(0x03bae8b2), X(0x7ff21553),
+ X(0x03ed26e6), X(0x7ff09478), X(0x041f6480), X(0x7feeffe1),
+ X(0x0451a177), X(0x7fed5791), X(0x0483ddc3), X(0x7feb9b85),
+ X(0x04b6195d), X(0x7fe9cbc0), X(0x04e8543e), X(0x7fe7e841),
+ X(0x051a8e5c), X(0x7fe5f108), X(0x054cc7b1), X(0x7fe3e616),
+ X(0x057f0035), X(0x7fe1c76b), X(0x05b137df), X(0x7fdf9508),
+ X(0x05e36ea9), X(0x7fdd4eec), X(0x0615a48b), X(0x7fdaf519),
+ X(0x0647d97c), X(0x7fd8878e), X(0x067a0d76), X(0x7fd6064c),
+ X(0x06ac406f), X(0x7fd37153), X(0x06de7262), X(0x7fd0c8a3),
+ X(0x0710a345), X(0x7fce0c3e), X(0x0742d311), X(0x7fcb3c23),
+ X(0x077501be), X(0x7fc85854), X(0x07a72f45), X(0x7fc560cf),
+ X(0x07d95b9e), X(0x7fc25596), X(0x080b86c2), X(0x7fbf36aa),
+ X(0x083db0a7), X(0x7fbc040a), X(0x086fd947), X(0x7fb8bdb8),
+ X(0x08a2009a), X(0x7fb563b3), X(0x08d42699), X(0x7fb1f5fc),
+ X(0x09064b3a), X(0x7fae7495), X(0x09386e78), X(0x7faadf7c),
+ X(0x096a9049), X(0x7fa736b4), X(0x099cb0a7), X(0x7fa37a3c),
+ X(0x09cecf89), X(0x7f9faa15), X(0x0a00ece8), X(0x7f9bc640),
+ X(0x0a3308bd), X(0x7f97cebd), X(0x0a6522fe), X(0x7f93c38c),
+ X(0x0a973ba5), X(0x7f8fa4b0), X(0x0ac952aa), X(0x7f8b7227),
+ X(0x0afb6805), X(0x7f872bf3), X(0x0b2d7baf), X(0x7f82d214),
+ X(0x0b5f8d9f), X(0x7f7e648c), X(0x0b919dcf), X(0x7f79e35a),
+ X(0x0bc3ac35), X(0x7f754e80), X(0x0bf5b8cb), X(0x7f70a5fe),
+ X(0x0c27c389), X(0x7f6be9d4), X(0x0c59cc68), X(0x7f671a05),
+ X(0x0c8bd35e), X(0x7f62368f), X(0x0cbdd865), X(0x7f5d3f75),
+ X(0x0cefdb76), X(0x7f5834b7), X(0x0d21dc87), X(0x7f531655),
+ X(0x0d53db92), X(0x7f4de451), X(0x0d85d88f), X(0x7f489eaa),
+ X(0x0db7d376), X(0x7f434563), X(0x0de9cc40), X(0x7f3dd87c),
+ X(0x0e1bc2e4), X(0x7f3857f6), X(0x0e4db75b), X(0x7f32c3d1),
+ X(0x0e7fa99e), X(0x7f2d1c0e), X(0x0eb199a4), X(0x7f2760af),
+ X(0x0ee38766), X(0x7f2191b4), X(0x0f1572dc), X(0x7f1baf1e),
+ X(0x0f475bff), X(0x7f15b8ee), X(0x0f7942c7), X(0x7f0faf25),
+ X(0x0fab272b), X(0x7f0991c4), X(0x0fdd0926), X(0x7f0360cb),
+ X(0x100ee8ad), X(0x7efd1c3c), X(0x1040c5bb), X(0x7ef6c418),
+ X(0x1072a048), X(0x7ef05860), X(0x10a4784b), X(0x7ee9d914),
+ X(0x10d64dbd), X(0x7ee34636), X(0x11082096), X(0x7edc9fc6),
+ X(0x1139f0cf), X(0x7ed5e5c6), X(0x116bbe60), X(0x7ecf1837),
+ X(0x119d8941), X(0x7ec8371a), X(0x11cf516a), X(0x7ec14270),
+ X(0x120116d5), X(0x7eba3a39), X(0x1232d979), X(0x7eb31e78),
+ X(0x1264994e), X(0x7eabef2c), X(0x1296564d), X(0x7ea4ac58),
+ X(0x12c8106f), X(0x7e9d55fc), X(0x12f9c7aa), X(0x7e95ec1a),
+ X(0x132b7bf9), X(0x7e8e6eb2), X(0x135d2d53), X(0x7e86ddc6),
+ X(0x138edbb1), X(0x7e7f3957), X(0x13c0870a), X(0x7e778166),
+ X(0x13f22f58), X(0x7e6fb5f4), X(0x1423d492), X(0x7e67d703),
+ X(0x145576b1), X(0x7e5fe493), X(0x148715ae), X(0x7e57dea7),
+ X(0x14b8b17f), X(0x7e4fc53e), X(0x14ea4a1f), X(0x7e47985b),
+ X(0x151bdf86), X(0x7e3f57ff), X(0x154d71aa), X(0x7e37042a),
+ X(0x157f0086), X(0x7e2e9cdf), X(0x15b08c12), X(0x7e26221f),
+ X(0x15e21445), X(0x7e1d93ea), X(0x16139918), X(0x7e14f242),
+ X(0x16451a83), X(0x7e0c3d29), X(0x1676987f), X(0x7e0374a0),
+ X(0x16a81305), X(0x7dfa98a8), X(0x16d98a0c), X(0x7df1a942),
+ X(0x170afd8d), X(0x7de8a670), X(0x173c6d80), X(0x7ddf9034),
+ X(0x176dd9de), X(0x7dd6668f), X(0x179f429f), X(0x7dcd2981),
+ X(0x17d0a7bc), X(0x7dc3d90d), X(0x1802092c), X(0x7dba7534),
+ X(0x183366e9), X(0x7db0fdf8), X(0x1864c0ea), X(0x7da77359),
+ X(0x18961728), X(0x7d9dd55a), X(0x18c7699b), X(0x7d9423fc),
+ X(0x18f8b83c), X(0x7d8a5f40), X(0x192a0304), X(0x7d808728),
+ X(0x195b49ea), X(0x7d769bb5), X(0x198c8ce7), X(0x7d6c9ce9),
+ X(0x19bdcbf3), X(0x7d628ac6), X(0x19ef0707), X(0x7d58654d),
+ X(0x1a203e1b), X(0x7d4e2c7f), X(0x1a517128), X(0x7d43e05e),
+ X(0x1a82a026), X(0x7d3980ec), X(0x1ab3cb0d), X(0x7d2f0e2b),
+ X(0x1ae4f1d6), X(0x7d24881b), X(0x1b161479), X(0x7d19eebf),
+ X(0x1b4732ef), X(0x7d0f4218), X(0x1b784d30), X(0x7d048228),
+ X(0x1ba96335), X(0x7cf9aef0), X(0x1bda74f6), X(0x7ceec873),
+ X(0x1c0b826a), X(0x7ce3ceb2), X(0x1c3c8b8c), X(0x7cd8c1ae),
+ X(0x1c6d9053), X(0x7ccda169), X(0x1c9e90b8), X(0x7cc26de5),
+ X(0x1ccf8cb3), X(0x7cb72724), X(0x1d00843d), X(0x7cabcd28),
+ X(0x1d31774d), X(0x7ca05ff1), X(0x1d6265dd), X(0x7c94df83),
+ X(0x1d934fe5), X(0x7c894bde), X(0x1dc4355e), X(0x7c7da505),
+ X(0x1df5163f), X(0x7c71eaf9), X(0x1e25f282), X(0x7c661dbc),
+ X(0x1e56ca1e), X(0x7c5a3d50), X(0x1e879d0d), X(0x7c4e49b7),
+ X(0x1eb86b46), X(0x7c4242f2), X(0x1ee934c3), X(0x7c362904),
+ X(0x1f19f97b), X(0x7c29fbee), X(0x1f4ab968), X(0x7c1dbbb3),
+ X(0x1f7b7481), X(0x7c116853), X(0x1fac2abf), X(0x7c0501d2),
+ X(0x1fdcdc1b), X(0x7bf88830), X(0x200d888d), X(0x7bebfb70),
+ X(0x203e300d), X(0x7bdf5b94), X(0x206ed295), X(0x7bd2a89e),
+ X(0x209f701c), X(0x7bc5e290), X(0x20d0089c), X(0x7bb9096b),
+ X(0x21009c0c), X(0x7bac1d31), X(0x21312a65), X(0x7b9f1de6),
+ X(0x2161b3a0), X(0x7b920b89), X(0x219237b5), X(0x7b84e61f),
+ X(0x21c2b69c), X(0x7b77ada8), X(0x21f3304f), X(0x7b6a6227),
+ X(0x2223a4c5), X(0x7b5d039e), X(0x225413f8), X(0x7b4f920e),
+ X(0x22847de0), X(0x7b420d7a), X(0x22b4e274), X(0x7b3475e5),
+ X(0x22e541af), X(0x7b26cb4f), X(0x23159b88), X(0x7b190dbc),
+ X(0x2345eff8), X(0x7b0b3d2c), X(0x23763ef7), X(0x7afd59a4),
+ X(0x23a6887f), X(0x7aef6323), X(0x23d6cc87), X(0x7ae159ae),
+ X(0x24070b08), X(0x7ad33d45), X(0x243743fa), X(0x7ac50dec),
+ X(0x24677758), X(0x7ab6cba4), X(0x2497a517), X(0x7aa8766f),
+ X(0x24c7cd33), X(0x7a9a0e50), X(0x24f7efa2), X(0x7a8b9348),
+ X(0x25280c5e), X(0x7a7d055b), X(0x2558235f), X(0x7a6e648a),
+ X(0x2588349d), X(0x7a5fb0d8), X(0x25b84012), X(0x7a50ea47),
+ X(0x25e845b6), X(0x7a4210d8), X(0x26184581), X(0x7a332490),
+ X(0x26483f6c), X(0x7a24256f), X(0x26783370), X(0x7a151378),
+ X(0x26a82186), X(0x7a05eead), X(0x26d809a5), X(0x79f6b711),
+ X(0x2707ebc7), X(0x79e76ca7), X(0x2737c7e3), X(0x79d80f6f),
+ X(0x27679df4), X(0x79c89f6e), X(0x27976df1), X(0x79b91ca4),
+ X(0x27c737d3), X(0x79a98715), X(0x27f6fb92), X(0x7999dec4),
+ X(0x2826b928), X(0x798a23b1), X(0x2856708d), X(0x797a55e0),
+ X(0x288621b9), X(0x796a7554), X(0x28b5cca5), X(0x795a820e),
+ X(0x28e5714b), X(0x794a7c12), X(0x29150fa1), X(0x793a6361),
+ X(0x2944a7a2), X(0x792a37fe), X(0x29743946), X(0x7919f9ec),
+ X(0x29a3c485), X(0x7909a92d), X(0x29d34958), X(0x78f945c3),
+ X(0x2a02c7b8), X(0x78e8cfb2), X(0x2a323f9e), X(0x78d846fb),
+ X(0x2a61b101), X(0x78c7aba2), X(0x2a911bdc), X(0x78b6fda8),
+ X(0x2ac08026), X(0x78a63d11), X(0x2aefddd8), X(0x789569df),
+ X(0x2b1f34eb), X(0x78848414), X(0x2b4e8558), X(0x78738bb3),
+ X(0x2b7dcf17), X(0x786280bf), X(0x2bad1221), X(0x7851633b),
+ X(0x2bdc4e6f), X(0x78403329), X(0x2c0b83fa), X(0x782ef08b),
+ X(0x2c3ab2b9), X(0x781d9b65), X(0x2c69daa6), X(0x780c33b8),
+ X(0x2c98fbba), X(0x77fab989), X(0x2cc815ee), X(0x77e92cd9),
+ X(0x2cf72939), X(0x77d78daa), X(0x2d263596), X(0x77c5dc01),
+ X(0x2d553afc), X(0x77b417df), X(0x2d843964), X(0x77a24148),
+ X(0x2db330c7), X(0x7790583e), X(0x2de2211e), X(0x777e5cc3),
+ X(0x2e110a62), X(0x776c4edb), X(0x2e3fec8b), X(0x775a2e89),
+ X(0x2e6ec792), X(0x7747fbce), X(0x2e9d9b70), X(0x7735b6af),
+ X(0x2ecc681e), X(0x77235f2d), X(0x2efb2d95), X(0x7710f54c),
+ X(0x2f29ebcc), X(0x76fe790e), X(0x2f58a2be), X(0x76ebea77),
+ X(0x2f875262), X(0x76d94989), X(0x2fb5fab2), X(0x76c69647),
+ X(0x2fe49ba7), X(0x76b3d0b4), X(0x30133539), X(0x76a0f8d2),
+ X(0x3041c761), X(0x768e0ea6), X(0x30705217), X(0x767b1231),
+ X(0x309ed556), X(0x76680376), X(0x30cd5115), X(0x7654e279),
+ X(0x30fbc54d), X(0x7641af3d), X(0x312a31f8), X(0x762e69c4),
+ X(0x3158970e), X(0x761b1211), X(0x3186f487), X(0x7607a828),
+ X(0x31b54a5e), X(0x75f42c0b), X(0x31e39889), X(0x75e09dbd),
+ X(0x3211df04), X(0x75ccfd42), X(0x32401dc6), X(0x75b94a9c),
+ X(0x326e54c7), X(0x75a585cf), X(0x329c8402), X(0x7591aedd),
+ X(0x32caab6f), X(0x757dc5ca), X(0x32f8cb07), X(0x7569ca99),
+ X(0x3326e2c3), X(0x7555bd4c), X(0x3354f29b), X(0x75419de7),
+ X(0x3382fa88), X(0x752d6c6c), X(0x33b0fa84), X(0x751928e0),
+ X(0x33def287), X(0x7504d345), X(0x340ce28b), X(0x74f06b9e),
+ X(0x343aca87), X(0x74dbf1ef), X(0x3468aa76), X(0x74c7663a),
+ X(0x34968250), X(0x74b2c884), X(0x34c4520d), X(0x749e18cd),
+ X(0x34f219a8), X(0x7489571c), X(0x351fd918), X(0x74748371),
+ X(0x354d9057), X(0x745f9dd1), X(0x357b3f5d), X(0x744aa63f),
+ X(0x35a8e625), X(0x74359cbd), X(0x35d684a6), X(0x74208150),
+ X(0x36041ad9), X(0x740b53fb), X(0x3631a8b8), X(0x73f614c0),
+ X(0x365f2e3b), X(0x73e0c3a3), X(0x368cab5c), X(0x73cb60a8),
+ X(0x36ba2014), X(0x73b5ebd1), X(0x36e78c5b), X(0x73a06522),
+ X(0x3714f02a), X(0x738acc9e), X(0x37424b7b), X(0x73752249),
+ X(0x376f9e46), X(0x735f6626), X(0x379ce885), X(0x73499838),
+ X(0x37ca2a30), X(0x7333b883), X(0x37f76341), X(0x731dc70a),
+ X(0x382493b0), X(0x7307c3d0), X(0x3851bb77), X(0x72f1aed9),
+ X(0x387eda8e), X(0x72db8828), X(0x38abf0ef), X(0x72c54fc1),
+ X(0x38d8fe93), X(0x72af05a7), X(0x39060373), X(0x7298a9dd),
+ X(0x3932ff87), X(0x72823c67), X(0x395ff2c9), X(0x726bbd48),
+ X(0x398cdd32), X(0x72552c85), X(0x39b9bebc), X(0x723e8a20),
+ X(0x39e6975e), X(0x7227d61c), X(0x3a136712), X(0x7211107e),
+ X(0x3a402dd2), X(0x71fa3949), X(0x3a6ceb96), X(0x71e35080),
+ X(0x3a99a057), X(0x71cc5626), X(0x3ac64c0f), X(0x71b54a41),
+ X(0x3af2eeb7), X(0x719e2cd2), X(0x3b1f8848), X(0x7186fdde),
+ X(0x3b4c18ba), X(0x716fbd68), X(0x3b78a007), X(0x71586b74),
+ X(0x3ba51e29), X(0x71410805), X(0x3bd19318), X(0x7129931f),
+ X(0x3bfdfecd), X(0x71120cc5), X(0x3c2a6142), X(0x70fa74fc),
+ X(0x3c56ba70), X(0x70e2cbc6), X(0x3c830a50), X(0x70cb1128),
+ X(0x3caf50da), X(0x70b34525), X(0x3cdb8e09), X(0x709b67c0),
+ X(0x3d07c1d6), X(0x708378ff), X(0x3d33ec39), X(0x706b78e3),
+ X(0x3d600d2c), X(0x70536771), X(0x3d8c24a8), X(0x703b44ad),
+ X(0x3db832a6), X(0x7023109a), X(0x3de4371f), X(0x700acb3c),
+ X(0x3e10320d), X(0x6ff27497), X(0x3e3c2369), X(0x6fda0cae),
+ X(0x3e680b2c), X(0x6fc19385), X(0x3e93e950), X(0x6fa90921),
+ X(0x3ebfbdcd), X(0x6f906d84), X(0x3eeb889c), X(0x6f77c0b3),
+ X(0x3f1749b8), X(0x6f5f02b2), X(0x3f430119), X(0x6f463383),
+ X(0x3f6eaeb8), X(0x6f2d532c), X(0x3f9a5290), X(0x6f1461b0),
+ X(0x3fc5ec98), X(0x6efb5f12), X(0x3ff17cca), X(0x6ee24b57),
+ X(0x401d0321), X(0x6ec92683), X(0x40487f94), X(0x6eaff099),
+ X(0x4073f21d), X(0x6e96a99d), X(0x409f5ab6), X(0x6e7d5193),
+ X(0x40cab958), X(0x6e63e87f), X(0x40f60dfb), X(0x6e4a6e66),
+ X(0x4121589b), X(0x6e30e34a), X(0x414c992f), X(0x6e174730),
+ X(0x4177cfb1), X(0x6dfd9a1c), X(0x41a2fc1a), X(0x6de3dc11),
+ X(0x41ce1e65), X(0x6dca0d14), X(0x41f93689), X(0x6db02d29),
+ X(0x42244481), X(0x6d963c54), X(0x424f4845), X(0x6d7c3a98),
+ X(0x427a41d0), X(0x6d6227fa), X(0x42a5311b), X(0x6d48047e),
+ X(0x42d0161e), X(0x6d2dd027), X(0x42faf0d4), X(0x6d138afb),
+ X(0x4325c135), X(0x6cf934fc), X(0x4350873c), X(0x6cdece2f),
+ X(0x437b42e1), X(0x6cc45698), X(0x43a5f41e), X(0x6ca9ce3b),
+ X(0x43d09aed), X(0x6c8f351c), X(0x43fb3746), X(0x6c748b3f),
+ X(0x4425c923), X(0x6c59d0a9), X(0x4450507e), X(0x6c3f055d),
+ X(0x447acd50), X(0x6c242960), X(0x44a53f93), X(0x6c093cb6),
+ X(0x44cfa740), X(0x6bee3f62), X(0x44fa0450), X(0x6bd3316a),
+ X(0x452456bd), X(0x6bb812d1), X(0x454e9e80), X(0x6b9ce39b),
+ X(0x4578db93), X(0x6b81a3cd), X(0x45a30df0), X(0x6b66536b),
+ X(0x45cd358f), X(0x6b4af279), X(0x45f7526b), X(0x6b2f80fb),
+ X(0x4621647d), X(0x6b13fef5), X(0x464b6bbe), X(0x6af86c6c),
+ X(0x46756828), X(0x6adcc964), X(0x469f59b4), X(0x6ac115e2),
+ X(0x46c9405c), X(0x6aa551e9), X(0x46f31c1a), X(0x6a897d7d),
+ X(0x471cece7), X(0x6a6d98a4), X(0x4746b2bc), X(0x6a51a361),
+ X(0x47706d93), X(0x6a359db9), X(0x479a1d67), X(0x6a1987b0),
+ X(0x47c3c22f), X(0x69fd614a), X(0x47ed5be6), X(0x69e12a8c),
+ X(0x4816ea86), X(0x69c4e37a), X(0x48406e08), X(0x69a88c19),
+ X(0x4869e665), X(0x698c246c), X(0x48935397), X(0x696fac78),
+ X(0x48bcb599), X(0x69532442), X(0x48e60c62), X(0x69368bce),
+ X(0x490f57ee), X(0x6919e320), X(0x49389836), X(0x68fd2a3d),
+ X(0x4961cd33), X(0x68e06129), X(0x498af6df), X(0x68c387e9),
+ X(0x49b41533), X(0x68a69e81), X(0x49dd282a), X(0x6889a4f6),
+ X(0x4a062fbd), X(0x686c9b4b), X(0x4a2f2be6), X(0x684f8186),
+ X(0x4a581c9e), X(0x683257ab), X(0x4a8101de), X(0x68151dbe),
+ X(0x4aa9dba2), X(0x67f7d3c5), X(0x4ad2a9e2), X(0x67da79c3),
+ X(0x4afb6c98), X(0x67bd0fbd), X(0x4b2423be), X(0x679f95b7),
+ X(0x4b4ccf4d), X(0x67820bb7), X(0x4b756f40), X(0x676471c0),
+ X(0x4b9e0390), X(0x6746c7d8), X(0x4bc68c36), X(0x67290e02),
+ X(0x4bef092d), X(0x670b4444), X(0x4c177a6e), X(0x66ed6aa1),
+ X(0x4c3fdff4), X(0x66cf8120), X(0x4c6839b7), X(0x66b187c3),
+ X(0x4c9087b1), X(0x66937e91), X(0x4cb8c9dd), X(0x6675658c),
+ X(0x4ce10034), X(0x66573cbb), X(0x4d092ab0), X(0x66390422),
+ X(0x4d31494b), X(0x661abbc5), X(0x4d595bfe), X(0x65fc63a9),
+ X(0x4d8162c4), X(0x65ddfbd3), X(0x4da95d96), X(0x65bf8447),
+ X(0x4dd14c6e), X(0x65a0fd0b), X(0x4df92f46), X(0x65826622),
+ X(0x4e210617), X(0x6563bf92), X(0x4e48d0dd), X(0x6545095f),
+ X(0x4e708f8f), X(0x6526438f), X(0x4e984229), X(0x65076e25),
+ X(0x4ebfe8a5), X(0x64e88926), X(0x4ee782fb), X(0x64c99498),
+ X(0x4f0f1126), X(0x64aa907f), X(0x4f369320), X(0x648b7ce0),
+ X(0x4f5e08e3), X(0x646c59bf), X(0x4f857269), X(0x644d2722),
+ X(0x4faccfab), X(0x642de50d), X(0x4fd420a4), X(0x640e9386),
+ X(0x4ffb654d), X(0x63ef3290), X(0x50229da1), X(0x63cfc231),
+ X(0x5049c999), X(0x63b0426d), X(0x5070e92f), X(0x6390b34a),
+ X(0x5097fc5e), X(0x637114cc), X(0x50bf031f), X(0x635166f9),
+ X(0x50e5fd6d), X(0x6331a9d4), X(0x510ceb40), X(0x6311dd64),
+ X(0x5133cc94), X(0x62f201ac), X(0x515aa162), X(0x62d216b3),
+ X(0x518169a5), X(0x62b21c7b), X(0x51a82555), X(0x6292130c),
+ X(0x51ced46e), X(0x6271fa69), X(0x51f576ea), X(0x6251d298),
+ X(0x521c0cc2), X(0x62319b9d), X(0x524295f0), X(0x6211557e),
+ X(0x5269126e), X(0x61f1003f), X(0x528f8238), X(0x61d09be5),
+ X(0x52b5e546), X(0x61b02876), X(0x52dc3b92), X(0x618fa5f7),
+ X(0x53028518), X(0x616f146c), X(0x5328c1d0), X(0x614e73da),
+ X(0x534ef1b5), X(0x612dc447), X(0x537514c2), X(0x610d05b7),
+ X(0x539b2af0), X(0x60ec3830), X(0x53c13439), X(0x60cb5bb7),
+ X(0x53e73097), X(0x60aa7050), X(0x540d2005), X(0x60897601),
+ X(0x5433027d), X(0x60686ccf), X(0x5458d7f9), X(0x604754bf),
+ X(0x547ea073), X(0x60262dd6), X(0x54a45be6), X(0x6004f819),
+ X(0x54ca0a4b), X(0x5fe3b38d), X(0x54efab9c), X(0x5fc26038),
+ X(0x55153fd4), X(0x5fa0fe1f), X(0x553ac6ee), X(0x5f7f8d46),
+ X(0x556040e2), X(0x5f5e0db3), X(0x5585adad), X(0x5f3c7f6b),
+ X(0x55ab0d46), X(0x5f1ae274), X(0x55d05faa), X(0x5ef936d1),
+ X(0x55f5a4d2), X(0x5ed77c8a), X(0x561adcb9), X(0x5eb5b3a2),
+ X(0x56400758), X(0x5e93dc1f), X(0x566524aa), X(0x5e71f606),
+ X(0x568a34a9), X(0x5e50015d), X(0x56af3750), X(0x5e2dfe29),
+ X(0x56d42c99), X(0x5e0bec6e), X(0x56f9147e), X(0x5de9cc33),
+ X(0x571deefa), X(0x5dc79d7c), X(0x5742bc06), X(0x5da5604f),
+ X(0x57677b9d), X(0x5d8314b1), X(0x578c2dba), X(0x5d60baa7),
+ X(0x57b0d256), X(0x5d3e5237), X(0x57d5696d), X(0x5d1bdb65),
+ X(0x57f9f2f8), X(0x5cf95638), X(0x581e6ef1), X(0x5cd6c2b5),
+ X(0x5842dd54), X(0x5cb420e0), X(0x58673e1b), X(0x5c9170bf),
+ X(0x588b9140), X(0x5c6eb258), X(0x58afd6bd), X(0x5c4be5b0),
+ X(0x58d40e8c), X(0x5c290acc), X(0x58f838a9), X(0x5c0621b2),
+ X(0x591c550e), X(0x5be32a67), X(0x594063b5), X(0x5bc024f0),
+ X(0x59646498), X(0x5b9d1154), X(0x598857b2), X(0x5b79ef96),
+ X(0x59ac3cfd), X(0x5b56bfbd), X(0x59d01475), X(0x5b3381ce),
+ X(0x59f3de12), X(0x5b1035cf), X(0x5a1799d1), X(0x5aecdbc5),
+ X(0x5a3b47ab), X(0x5ac973b5), X(0x5a5ee79a), X(0x5aa5fda5),
+ X(0x5a82799a), X(0x5a82799a)
+ };
+
+ /* {sin((2*i+1)*PI/4096), cos((2*i+1)*PI/4096)}, with i = 0 to 511 */
+static const LOOKUP_T sincos_lookup1[1024] = {
+ X(0x001921fb), X(0x7ffffd88), X(0x004b65ee), X(0x7fffe9cb),
+ X(0x007da9d4), X(0x7fffc251), X(0x00afeda8), X(0x7fff8719),
+ X(0x00e23160), X(0x7fff3824), X(0x011474f6), X(0x7ffed572),
+ X(0x0146b860), X(0x7ffe5f03), X(0x0178fb99), X(0x7ffdd4d7),
+ X(0x01ab3e97), X(0x7ffd36ee), X(0x01dd8154), X(0x7ffc8549),
+ X(0x020fc3c6), X(0x7ffbbfe6), X(0x024205e8), X(0x7ffae6c7),
+ X(0x027447b0), X(0x7ff9f9ec), X(0x02a68917), X(0x7ff8f954),
+ X(0x02d8ca16), X(0x7ff7e500), X(0x030b0aa4), X(0x7ff6bcf0),
+ X(0x033d4abb), X(0x7ff58125), X(0x036f8a51), X(0x7ff4319d),
+ X(0x03a1c960), X(0x7ff2ce5b), X(0x03d407df), X(0x7ff1575d),
+ X(0x040645c7), X(0x7fefcca4), X(0x04388310), X(0x7fee2e30),
+ X(0x046abfb3), X(0x7fec7c02), X(0x049cfba7), X(0x7feab61a),
+ X(0x04cf36e5), X(0x7fe8dc78), X(0x05017165), X(0x7fe6ef1c),
+ X(0x0533ab20), X(0x7fe4ee06), X(0x0565e40d), X(0x7fe2d938),
+ X(0x05981c26), X(0x7fe0b0b1), X(0x05ca5361), X(0x7fde7471),
+ X(0x05fc89b8), X(0x7fdc247a), X(0x062ebf22), X(0x7fd9c0ca),
+ X(0x0660f398), X(0x7fd74964), X(0x06932713), X(0x7fd4be46),
+ X(0x06c5598a), X(0x7fd21f72), X(0x06f78af6), X(0x7fcf6ce8),
+ X(0x0729bb4e), X(0x7fcca6a7), X(0x075bea8c), X(0x7fc9ccb2),
+ X(0x078e18a7), X(0x7fc6df08), X(0x07c04598), X(0x7fc3dda9),
+ X(0x07f27157), X(0x7fc0c896), X(0x08249bdd), X(0x7fbd9fd0),
+ X(0x0856c520), X(0x7fba6357), X(0x0888ed1b), X(0x7fb7132b),
+ X(0x08bb13c5), X(0x7fb3af4e), X(0x08ed3916), X(0x7fb037bf),
+ X(0x091f5d06), X(0x7facac7f), X(0x09517f8f), X(0x7fa90d8e),
+ X(0x0983a0a7), X(0x7fa55aee), X(0x09b5c048), X(0x7fa1949e),
+ X(0x09e7de6a), X(0x7f9dbaa0), X(0x0a19fb04), X(0x7f99ccf4),
+ X(0x0a4c1610), X(0x7f95cb9a), X(0x0a7e2f85), X(0x7f91b694),
+ X(0x0ab0475c), X(0x7f8d8de1), X(0x0ae25d8d), X(0x7f895182),
+ X(0x0b147211), X(0x7f850179), X(0x0b4684df), X(0x7f809dc5),
+ X(0x0b7895f0), X(0x7f7c2668), X(0x0baaa53b), X(0x7f779b62),
+ X(0x0bdcb2bb), X(0x7f72fcb4), X(0x0c0ebe66), X(0x7f6e4a5e),
+ X(0x0c40c835), X(0x7f698461), X(0x0c72d020), X(0x7f64aabf),
+ X(0x0ca4d620), X(0x7f5fbd77), X(0x0cd6da2d), X(0x7f5abc8a),
+ X(0x0d08dc3f), X(0x7f55a7fa), X(0x0d3adc4e), X(0x7f507fc7),
+ X(0x0d6cda53), X(0x7f4b43f2), X(0x0d9ed646), X(0x7f45f47b),
+ X(0x0dd0d01f), X(0x7f409164), X(0x0e02c7d7), X(0x7f3b1aad),
+ X(0x0e34bd66), X(0x7f359057), X(0x0e66b0c3), X(0x7f2ff263),
+ X(0x0e98a1e9), X(0x7f2a40d2), X(0x0eca90ce), X(0x7f247ba5),
+ X(0x0efc7d6b), X(0x7f1ea2dc), X(0x0f2e67b8), X(0x7f18b679),
+ X(0x0f604faf), X(0x7f12b67c), X(0x0f923546), X(0x7f0ca2e7),
+ X(0x0fc41876), X(0x7f067bba), X(0x0ff5f938), X(0x7f0040f6),
+ X(0x1027d784), X(0x7ef9f29d), X(0x1059b352), X(0x7ef390ae),
+ X(0x108b8c9b), X(0x7eed1b2c), X(0x10bd6356), X(0x7ee69217),
+ X(0x10ef377d), X(0x7edff570), X(0x11210907), X(0x7ed94538),
+ X(0x1152d7ed), X(0x7ed28171), X(0x1184a427), X(0x7ecbaa1a),
+ X(0x11b66dad), X(0x7ec4bf36), X(0x11e83478), X(0x7ebdc0c6),
+ X(0x1219f880), X(0x7eb6aeca), X(0x124bb9be), X(0x7eaf8943),
+ X(0x127d7829), X(0x7ea85033), X(0x12af33ba), X(0x7ea1039b),
+ X(0x12e0ec6a), X(0x7e99a37c), X(0x1312a230), X(0x7e922fd6),
+ X(0x13445505), X(0x7e8aa8ac), X(0x137604e2), X(0x7e830dff),
+ X(0x13a7b1bf), X(0x7e7b5fce), X(0x13d95b93), X(0x7e739e1d),
+ X(0x140b0258), X(0x7e6bc8eb), X(0x143ca605), X(0x7e63e03b),
+ X(0x146e4694), X(0x7e5be40c), X(0x149fe3fc), X(0x7e53d462),
+ X(0x14d17e36), X(0x7e4bb13c), X(0x1503153a), X(0x7e437a9c),
+ X(0x1534a901), X(0x7e3b3083), X(0x15663982), X(0x7e32d2f4),
+ X(0x1597c6b7), X(0x7e2a61ed), X(0x15c95097), X(0x7e21dd73),
+ X(0x15fad71b), X(0x7e194584), X(0x162c5a3b), X(0x7e109a24),
+ X(0x165dd9f0), X(0x7e07db52), X(0x168f5632), X(0x7dff0911),
+ X(0x16c0cef9), X(0x7df62362), X(0x16f2443e), X(0x7ded2a47),
+ X(0x1723b5f9), X(0x7de41dc0), X(0x17552422), X(0x7ddafdce),
+ X(0x17868eb3), X(0x7dd1ca75), X(0x17b7f5a3), X(0x7dc883b4),
+ X(0x17e958ea), X(0x7dbf298d), X(0x181ab881), X(0x7db5bc02),
+ X(0x184c1461), X(0x7dac3b15), X(0x187d6c82), X(0x7da2a6c6),
+ X(0x18aec0db), X(0x7d98ff17), X(0x18e01167), X(0x7d8f4409),
+ X(0x19115e1c), X(0x7d85759f), X(0x1942a6f3), X(0x7d7b93da),
+ X(0x1973ebe6), X(0x7d719eba), X(0x19a52ceb), X(0x7d679642),
+ X(0x19d669fc), X(0x7d5d7a74), X(0x1a07a311), X(0x7d534b50),
+ X(0x1a38d823), X(0x7d4908d9), X(0x1a6a0929), X(0x7d3eb30f),
+ X(0x1a9b361d), X(0x7d3449f5), X(0x1acc5ef6), X(0x7d29cd8c),
+ X(0x1afd83ad), X(0x7d1f3dd6), X(0x1b2ea43a), X(0x7d149ad5),
+ X(0x1b5fc097), X(0x7d09e489), X(0x1b90d8bb), X(0x7cff1af5),
+ X(0x1bc1ec9e), X(0x7cf43e1a), X(0x1bf2fc3a), X(0x7ce94dfb),
+ X(0x1c240786), X(0x7cde4a98), X(0x1c550e7c), X(0x7cd333f3),
+ X(0x1c861113), X(0x7cc80a0f), X(0x1cb70f43), X(0x7cbcccec),
+ X(0x1ce80906), X(0x7cb17c8d), X(0x1d18fe54), X(0x7ca618f3),
+ X(0x1d49ef26), X(0x7c9aa221), X(0x1d7adb73), X(0x7c8f1817),
+ X(0x1dabc334), X(0x7c837ad8), X(0x1ddca662), X(0x7c77ca65),
+ X(0x1e0d84f5), X(0x7c6c06c0), X(0x1e3e5ee5), X(0x7c602fec),
+ X(0x1e6f342c), X(0x7c5445e9), X(0x1ea004c1), X(0x7c4848ba),
+ X(0x1ed0d09d), X(0x7c3c3860), X(0x1f0197b8), X(0x7c3014de),
+ X(0x1f325a0b), X(0x7c23de35), X(0x1f63178f), X(0x7c179467),
+ X(0x1f93d03c), X(0x7c0b3777), X(0x1fc4840a), X(0x7bfec765),
+ X(0x1ff532f2), X(0x7bf24434), X(0x2025dcec), X(0x7be5ade6),
+ X(0x205681f1), X(0x7bd9047c), X(0x208721f9), X(0x7bcc47fa),
+ X(0x20b7bcfe), X(0x7bbf7860), X(0x20e852f6), X(0x7bb295b0),
+ X(0x2118e3dc), X(0x7ba59fee), X(0x21496fa7), X(0x7b989719),
+ X(0x2179f64f), X(0x7b8b7b36), X(0x21aa77cf), X(0x7b7e4c45),
+ X(0x21daf41d), X(0x7b710a49), X(0x220b6b32), X(0x7b63b543),
+ X(0x223bdd08), X(0x7b564d36), X(0x226c4996), X(0x7b48d225),
+ X(0x229cb0d5), X(0x7b3b4410), X(0x22cd12bd), X(0x7b2da2fa),
+ X(0x22fd6f48), X(0x7b1feee5), X(0x232dc66d), X(0x7b1227d3),
+ X(0x235e1826), X(0x7b044dc7), X(0x238e646a), X(0x7af660c2),
+ X(0x23beab33), X(0x7ae860c7), X(0x23eeec78), X(0x7ada4dd8),
+ X(0x241f2833), X(0x7acc27f7), X(0x244f5e5c), X(0x7abdef25),
+ X(0x247f8eec), X(0x7aafa367), X(0x24afb9da), X(0x7aa144bc),
+ X(0x24dfdf20), X(0x7a92d329), X(0x250ffeb7), X(0x7a844eae),
+ X(0x25401896), X(0x7a75b74f), X(0x25702cb7), X(0x7a670d0d),
+ X(0x25a03b11), X(0x7a584feb), X(0x25d0439f), X(0x7a497feb),
+ X(0x26004657), X(0x7a3a9d0f), X(0x26304333), X(0x7a2ba75a),
+ X(0x26603a2c), X(0x7a1c9ece), X(0x26902b39), X(0x7a0d836d),
+ X(0x26c01655), X(0x79fe5539), X(0x26effb76), X(0x79ef1436),
+ X(0x271fda96), X(0x79dfc064), X(0x274fb3ae), X(0x79d059c8),
+ X(0x277f86b5), X(0x79c0e062), X(0x27af53a6), X(0x79b15435),
+ X(0x27df1a77), X(0x79a1b545), X(0x280edb23), X(0x79920392),
+ X(0x283e95a1), X(0x79823f20), X(0x286e49ea), X(0x797267f2),
+ X(0x289df7f8), X(0x79627e08), X(0x28cd9fc1), X(0x79528167),
+ X(0x28fd4140), X(0x79427210), X(0x292cdc6d), X(0x79325006),
+ X(0x295c7140), X(0x79221b4b), X(0x298bffb2), X(0x7911d3e2),
+ X(0x29bb87bc), X(0x790179cd), X(0x29eb0957), X(0x78f10d0f),
+ X(0x2a1a847b), X(0x78e08dab), X(0x2a49f920), X(0x78cffba3),
+ X(0x2a796740), X(0x78bf56f9), X(0x2aa8ced3), X(0x78ae9fb0),
+ X(0x2ad82fd2), X(0x789dd5cb), X(0x2b078a36), X(0x788cf94c),
+ X(0x2b36ddf7), X(0x787c0a36), X(0x2b662b0e), X(0x786b088c),
+ X(0x2b957173), X(0x7859f44f), X(0x2bc4b120), X(0x7848cd83),
+ X(0x2bf3ea0d), X(0x7837942b), X(0x2c231c33), X(0x78264849),
+ X(0x2c52478a), X(0x7814e9df), X(0x2c816c0c), X(0x780378f1),
+ X(0x2cb089b1), X(0x77f1f581), X(0x2cdfa071), X(0x77e05f91),
+ X(0x2d0eb046), X(0x77ceb725), X(0x2d3db928), X(0x77bcfc3f),
+ X(0x2d6cbb10), X(0x77ab2ee2), X(0x2d9bb5f6), X(0x77994f11),
+ X(0x2dcaa9d5), X(0x77875cce), X(0x2df996a3), X(0x7775581d),
+ X(0x2e287c5a), X(0x776340ff), X(0x2e575af3), X(0x77511778),
+ X(0x2e863267), X(0x773edb8b), X(0x2eb502ae), X(0x772c8d3a),
+ X(0x2ee3cbc1), X(0x771a2c88), X(0x2f128d99), X(0x7707b979),
+ X(0x2f41482e), X(0x76f5340e), X(0x2f6ffb7a), X(0x76e29c4b),
+ X(0x2f9ea775), X(0x76cff232), X(0x2fcd4c19), X(0x76bd35c7),
+ X(0x2ffbe95d), X(0x76aa670d), X(0x302a7f3a), X(0x76978605),
+ X(0x30590dab), X(0x768492b4), X(0x308794a6), X(0x76718d1c),
+ X(0x30b61426), X(0x765e7540), X(0x30e48c22), X(0x764b4b23),
+ X(0x3112fc95), X(0x76380ec8), X(0x31416576), X(0x7624c031),
+ X(0x316fc6be), X(0x76115f63), X(0x319e2067), X(0x75fdec60),
+ X(0x31cc7269), X(0x75ea672a), X(0x31fabcbd), X(0x75d6cfc5),
+ X(0x3228ff5c), X(0x75c32634), X(0x32573a3f), X(0x75af6a7b),
+ X(0x32856d5e), X(0x759b9c9b), X(0x32b398b3), X(0x7587bc98),
+ X(0x32e1bc36), X(0x7573ca75), X(0x330fd7e1), X(0x755fc635),
+ X(0x333debab), X(0x754bafdc), X(0x336bf78f), X(0x7537876c),
+ X(0x3399fb85), X(0x75234ce8), X(0x33c7f785), X(0x750f0054),
+ X(0x33f5eb89), X(0x74faa1b3), X(0x3423d78a), X(0x74e63108),
+ X(0x3451bb81), X(0x74d1ae55), X(0x347f9766), X(0x74bd199f),
+ X(0x34ad6b32), X(0x74a872e8), X(0x34db36df), X(0x7493ba34),
+ X(0x3508fa66), X(0x747eef85), X(0x3536b5be), X(0x746a12df),
+ X(0x356468e2), X(0x74552446), X(0x359213c9), X(0x744023bc),
+ X(0x35bfb66e), X(0x742b1144), X(0x35ed50c9), X(0x7415ece2),
+ X(0x361ae2d3), X(0x7400b69a), X(0x36486c86), X(0x73eb6e6e),
+ X(0x3675edd9), X(0x73d61461), X(0x36a366c6), X(0x73c0a878),
+ X(0x36d0d746), X(0x73ab2ab4), X(0x36fe3f52), X(0x73959b1b),
+ X(0x372b9ee3), X(0x737ff9ae), X(0x3758f5f2), X(0x736a4671),
+ X(0x37864477), X(0x73548168), X(0x37b38a6d), X(0x733eaa96),
+ X(0x37e0c7cc), X(0x7328c1ff), X(0x380dfc8d), X(0x7312c7a5),
+ X(0x383b28a9), X(0x72fcbb8c), X(0x38684c19), X(0x72e69db7),
+ X(0x389566d6), X(0x72d06e2b), X(0x38c278d9), X(0x72ba2cea),
+ X(0x38ef821c), X(0x72a3d9f7), X(0x391c8297), X(0x728d7557),
+ X(0x39497a43), X(0x7276ff0d), X(0x39766919), X(0x7260771b),
+ X(0x39a34f13), X(0x7249dd86), X(0x39d02c2a), X(0x72333251),
+ X(0x39fd0056), X(0x721c7580), X(0x3a29cb91), X(0x7205a716),
+ X(0x3a568dd4), X(0x71eec716), X(0x3a834717), X(0x71d7d585),
+ X(0x3aaff755), X(0x71c0d265), X(0x3adc9e86), X(0x71a9bdba),
+ X(0x3b093ca3), X(0x71929789), X(0x3b35d1a5), X(0x717b5fd3),
+ X(0x3b625d86), X(0x7164169d), X(0x3b8ee03e), X(0x714cbbeb),
+ X(0x3bbb59c7), X(0x71354fc0), X(0x3be7ca1a), X(0x711dd220),
+ X(0x3c143130), X(0x7106430e), X(0x3c408f03), X(0x70eea28e),
+ X(0x3c6ce38a), X(0x70d6f0a4), X(0x3c992ec0), X(0x70bf2d53),
+ X(0x3cc5709e), X(0x70a7589f), X(0x3cf1a91c), X(0x708f728b),
+ X(0x3d1dd835), X(0x70777b1c), X(0x3d49fde1), X(0x705f7255),
+ X(0x3d761a19), X(0x70475839), X(0x3da22cd7), X(0x702f2ccd),
+ X(0x3dce3614), X(0x7016f014), X(0x3dfa35c8), X(0x6ffea212),
+ X(0x3e262bee), X(0x6fe642ca), X(0x3e52187f), X(0x6fcdd241),
+ X(0x3e7dfb73), X(0x6fb5507a), X(0x3ea9d4c3), X(0x6f9cbd79),
+ X(0x3ed5a46b), X(0x6f841942), X(0x3f016a61), X(0x6f6b63d8),
+ X(0x3f2d26a0), X(0x6f529d40), X(0x3f58d921), X(0x6f39c57d),
+ X(0x3f8481dd), X(0x6f20dc92), X(0x3fb020ce), X(0x6f07e285),
+ X(0x3fdbb5ec), X(0x6eeed758), X(0x40074132), X(0x6ed5bb10),
+ X(0x4032c297), X(0x6ebc8db0), X(0x405e3a16), X(0x6ea34f3d),
+ X(0x4089a7a8), X(0x6e89ffb9), X(0x40b50b46), X(0x6e709f2a),
+ X(0x40e064ea), X(0x6e572d93), X(0x410bb48c), X(0x6e3daaf8),
+ X(0x4136fa27), X(0x6e24175c), X(0x416235b2), X(0x6e0a72c5),
+ X(0x418d6729), X(0x6df0bd35), X(0x41b88e84), X(0x6dd6f6b1),
+ X(0x41e3abbc), X(0x6dbd1f3c), X(0x420ebecb), X(0x6da336dc),
+ X(0x4239c7aa), X(0x6d893d93), X(0x4264c653), X(0x6d6f3365),
+ X(0x428fbabe), X(0x6d551858), X(0x42baa4e6), X(0x6d3aec6e),
+ X(0x42e584c3), X(0x6d20afac), X(0x43105a50), X(0x6d066215),
+ X(0x433b2585), X(0x6cec03af), X(0x4365e65b), X(0x6cd1947c),
+ X(0x43909ccd), X(0x6cb71482), X(0x43bb48d4), X(0x6c9c83c3),
+ X(0x43e5ea68), X(0x6c81e245), X(0x44108184), X(0x6c67300b),
+ X(0x443b0e21), X(0x6c4c6d1a), X(0x44659039), X(0x6c319975),
+ X(0x449007c4), X(0x6c16b521), X(0x44ba74bd), X(0x6bfbc021),
+ X(0x44e4d71c), X(0x6be0ba7b), X(0x450f2edb), X(0x6bc5a431),
+ X(0x45397bf4), X(0x6baa7d49), X(0x4563be60), X(0x6b8f45c7),
+ X(0x458df619), X(0x6b73fdae), X(0x45b82318), X(0x6b58a503),
+ X(0x45e24556), X(0x6b3d3bcb), X(0x460c5cce), X(0x6b21c208),
+ X(0x46366978), X(0x6b0637c1), X(0x46606b4e), X(0x6aea9cf8),
+ X(0x468a624a), X(0x6acef1b2), X(0x46b44e65), X(0x6ab335f4),
+ X(0x46de2f99), X(0x6a9769c1), X(0x470805df), X(0x6a7b8d1e),
+ X(0x4731d131), X(0x6a5fa010), X(0x475b9188), X(0x6a43a29a),
+ X(0x478546de), X(0x6a2794c1), X(0x47aef12c), X(0x6a0b7689),
+ X(0x47d8906d), X(0x69ef47f6), X(0x48022499), X(0x69d3090e),
+ X(0x482badab), X(0x69b6b9d3), X(0x48552b9b), X(0x699a5a4c),
+ X(0x487e9e64), X(0x697dea7b), X(0x48a805ff), X(0x69616a65),
+ X(0x48d16265), X(0x6944da10), X(0x48fab391), X(0x6928397e),
+ X(0x4923f97b), X(0x690b88b5), X(0x494d341e), X(0x68eec7b9),
+ X(0x49766373), X(0x68d1f68f), X(0x499f8774), X(0x68b5153a),
+ X(0x49c8a01b), X(0x689823bf), X(0x49f1ad61), X(0x687b2224),
+ X(0x4a1aaf3f), X(0x685e106c), X(0x4a43a5b0), X(0x6840ee9b),
+ X(0x4a6c90ad), X(0x6823bcb7), X(0x4a957030), X(0x68067ac3),
+ X(0x4abe4433), X(0x67e928c5), X(0x4ae70caf), X(0x67cbc6c0),
+ X(0x4b0fc99d), X(0x67ae54ba), X(0x4b387af9), X(0x6790d2b6),
+ X(0x4b6120bb), X(0x677340ba), X(0x4b89badd), X(0x67559eca),
+ X(0x4bb24958), X(0x6737ecea), X(0x4bdacc28), X(0x671a2b20),
+ X(0x4c034345), X(0x66fc596f), X(0x4c2baea9), X(0x66de77dc),
+ X(0x4c540e4e), X(0x66c0866d), X(0x4c7c622d), X(0x66a28524),
+ X(0x4ca4aa41), X(0x66847408), X(0x4ccce684), X(0x6666531d),
+ X(0x4cf516ee), X(0x66482267), X(0x4d1d3b7a), X(0x6629e1ec),
+ X(0x4d455422), X(0x660b91af), X(0x4d6d60df), X(0x65ed31b5),
+ X(0x4d9561ac), X(0x65cec204), X(0x4dbd5682), X(0x65b0429f),
+ X(0x4de53f5a), X(0x6591b38c), X(0x4e0d1c30), X(0x657314cf),
+ X(0x4e34ecfc), X(0x6554666d), X(0x4e5cb1b9), X(0x6535a86b),
+ X(0x4e846a60), X(0x6516dacd), X(0x4eac16eb), X(0x64f7fd98),
+ X(0x4ed3b755), X(0x64d910d1), X(0x4efb4b96), X(0x64ba147d),
+ X(0x4f22d3aa), X(0x649b08a0), X(0x4f4a4f89), X(0x647bed3f),
+ X(0x4f71bf2e), X(0x645cc260), X(0x4f992293), X(0x643d8806),
+ X(0x4fc079b1), X(0x641e3e38), X(0x4fe7c483), X(0x63fee4f8),
+ X(0x500f0302), X(0x63df7c4d), X(0x50363529), X(0x63c0043b),
+ X(0x505d5af1), X(0x63a07cc7), X(0x50847454), X(0x6380e5f6),
+ X(0x50ab814d), X(0x63613fcd), X(0x50d281d5), X(0x63418a50),
+ X(0x50f975e6), X(0x6321c585), X(0x51205d7b), X(0x6301f171),
+ X(0x5147388c), X(0x62e20e17), X(0x516e0715), X(0x62c21b7e),
+ X(0x5194c910), X(0x62a219aa), X(0x51bb7e75), X(0x628208a1),
+ X(0x51e22740), X(0x6261e866), X(0x5208c36a), X(0x6241b8ff),
+ X(0x522f52ee), X(0x62217a72), X(0x5255d5c5), X(0x62012cc2),
+ X(0x527c4bea), X(0x61e0cff5), X(0x52a2b556), X(0x61c06410),
+ X(0x52c91204), X(0x619fe918), X(0x52ef61ee), X(0x617f5f12),
+ X(0x5315a50e), X(0x615ec603), X(0x533bdb5d), X(0x613e1df0),
+ X(0x536204d7), X(0x611d66de), X(0x53882175), X(0x60fca0d2),
+ X(0x53ae3131), X(0x60dbcbd1), X(0x53d43406), X(0x60bae7e1),
+ X(0x53fa29ed), X(0x6099f505), X(0x542012e1), X(0x6078f344),
+ X(0x5445eedb), X(0x6057e2a2), X(0x546bbdd7), X(0x6036c325),
+ X(0x54917fce), X(0x601594d1), X(0x54b734ba), X(0x5ff457ad),
+ X(0x54dcdc96), X(0x5fd30bbc), X(0x5502775c), X(0x5fb1b104),
+ X(0x55280505), X(0x5f90478a), X(0x554d858d), X(0x5f6ecf53),
+ X(0x5572f8ed), X(0x5f4d4865), X(0x55985f20), X(0x5f2bb2c5),
+ X(0x55bdb81f), X(0x5f0a0e77), X(0x55e303e6), X(0x5ee85b82),
+ X(0x5608426e), X(0x5ec699e9), X(0x562d73b2), X(0x5ea4c9b3),
+ X(0x565297ab), X(0x5e82eae5), X(0x5677ae54), X(0x5e60fd84),
+ X(0x569cb7a8), X(0x5e3f0194), X(0x56c1b3a1), X(0x5e1cf71c),
+ X(0x56e6a239), X(0x5dfade20), X(0x570b8369), X(0x5dd8b6a7),
+ X(0x5730572e), X(0x5db680b4), X(0x57551d80), X(0x5d943c4e),
+ X(0x5779d65b), X(0x5d71e979), X(0x579e81b8), X(0x5d4f883b),
+ X(0x57c31f92), X(0x5d2d189a), X(0x57e7afe4), X(0x5d0a9a9a),
+ X(0x580c32a7), X(0x5ce80e41), X(0x5830a7d6), X(0x5cc57394),
+ X(0x58550f6c), X(0x5ca2ca99), X(0x58796962), X(0x5c801354),
+ X(0x589db5b3), X(0x5c5d4dcc), X(0x58c1f45b), X(0x5c3a7a05),
+ X(0x58e62552), X(0x5c179806), X(0x590a4893), X(0x5bf4a7d2),
+ X(0x592e5e19), X(0x5bd1a971), X(0x595265df), X(0x5bae9ce7),
+ X(0x59765fde), X(0x5b8b8239), X(0x599a4c12), X(0x5b68596d),
+ X(0x59be2a74), X(0x5b452288), X(0x59e1faff), X(0x5b21dd90),
+ X(0x5a05bdae), X(0x5afe8a8b), X(0x5a29727b), X(0x5adb297d),
+ X(0x5a4d1960), X(0x5ab7ba6c), X(0x5a70b258), X(0x5a943d5e),
+};
+
diff --git a/media/libtremor/lib/misc.h b/media/libtremor/lib/misc.h
new file mode 100644
index 0000000000..2fc521a244
--- /dev/null
+++ b/media/libtremor/lib/misc.h
@@ -0,0 +1,250 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: miscellaneous math and prototypes
+
+ ********************************************************************/
+
+#ifndef _V_RANDOM_H_
+#define _V_RANDOM_H_
+#include "ivorbiscodec.h"
+#include "os.h"
+
+#ifdef _LOW_ACCURACY_
+# define X(n) (((((n)>>22)+1)>>1) - ((((n)>>22)+1)>>9))
+# define LOOKUP_T const unsigned char
+#else
+# define X(n) (n)
+# define LOOKUP_T const ogg_int32_t
+#endif
+
+#include "asm_arm.h"
+#include <stdlib.h> /* for abs() */
+
+#ifndef _V_WIDE_MATH
+#define _V_WIDE_MATH
+
+#ifndef _LOW_ACCURACY_
+/* 64 bit multiply */
+
+#if !(defined WIN32 && defined WINCE)
+#include <sys/types.h>
+#endif
+
+#if BYTE_ORDER==LITTLE_ENDIAN
+union magic {
+ struct {
+ ogg_int32_t lo;
+ ogg_int32_t hi;
+ } halves;
+ ogg_int64_t whole;
+};
+#elif BYTE_ORDER==BIG_ENDIAN
+union magic {
+ struct {
+ ogg_int32_t hi;
+ ogg_int32_t lo;
+ } halves;
+ ogg_int64_t whole;
+};
+#endif
+
+STIN ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
+ union magic magic;
+ magic.whole = (ogg_int64_t)x * y;
+ return magic.halves.hi;
+}
+
+STIN ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
+ return MULT32(x,y)<<1;
+}
+
+STIN ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
+ union magic magic;
+ magic.whole = (ogg_int64_t)x * y;
+ return ((ogg_uint32_t)(magic.halves.lo)>>15) | ((magic.halves.hi)<<17);
+}
+
+#else
+/* 32 bit multiply, more portable but less accurate */
+
+/*
+ * Note: Precision is biased towards the first argument therefore ordering
+ * is important. Shift values were chosen for the best sound quality after
+ * many listening tests.
+ */
+
+/*
+ * For MULT32 and MULT31: The second argument is always a lookup table
+ * value already preshifted from 31 to 8 bits. We therefore take the
+ * opportunity to save on text space and use unsigned char for those
+ * tables in this case.
+ */
+
+STIN ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
+ return (x >> 9) * y; /* y preshifted >>23 */
+}
+
+STIN ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
+ return (x >> 8) * y; /* y preshifted >>23 */
+}
+
+STIN ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
+ return (x >> 6) * y; /* y preshifted >>9 */
+}
+
+#endif
+
+/*
+ * This should be used as a memory barrier, forcing all cached values in
+ * registers to wr writen back to memory. Might or might not be beneficial
+ * depending on the architecture and compiler.
+ */
+#define MB()
+
+/*
+ * The XPROD functions are meant to optimize the cross products found all
+ * over the place in mdct.c by forcing memory operation ordering to avoid
+ * unnecessary register reloads as soon as memory is being written to.
+ * However this is only beneficial on CPUs with a sane number of general
+ * purpose registers which exclude the Intel x86. On Intel, better let the
+ * compiler actually reload registers directly from original memory by using
+ * macros.
+ */
+
+#ifdef __i386__
+
+#define XPROD32(_a, _b, _t, _v, _x, _y) \
+ { *(_x)=MULT32(_a,_t)+MULT32(_b,_v); \
+ *(_y)=MULT32(_b,_t)-MULT32(_a,_v); }
+#define XPROD31(_a, _b, _t, _v, _x, _y) \
+ { *(_x)=MULT31(_a,_t)+MULT31(_b,_v); \
+ *(_y)=MULT31(_b,_t)-MULT31(_a,_v); }
+#define XNPROD31(_a, _b, _t, _v, _x, _y) \
+ { *(_x)=MULT31(_a,_t)-MULT31(_b,_v); \
+ *(_y)=MULT31(_b,_t)+MULT31(_a,_v); }
+
+#else
+
+STIN void XPROD32(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ *x = MULT32(a, t) + MULT32(b, v);
+ *y = MULT32(b, t) - MULT32(a, v);
+}
+
+STIN void XPROD31(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ *x = MULT31(a, t) + MULT31(b, v);
+ *y = MULT31(b, t) - MULT31(a, v);
+}
+
+STIN void XNPROD31(ogg_int32_t a, ogg_int32_t b,
+ ogg_int32_t t, ogg_int32_t v,
+ ogg_int32_t *x, ogg_int32_t *y)
+{
+ *x = MULT31(a, t) - MULT31(b, v);
+ *y = MULT31(b, t) + MULT31(a, v);
+}
+
+#endif
+
+#endif
+
+#ifndef _V_CLIP_MATH
+#define _V_CLIP_MATH
+
+STIN ogg_int32_t CLIP_TO_15(ogg_int32_t x) {
+ int ret=x;
+ ret-= ((x<=32767)-1)&(x-32767);
+ ret-= ((x>=-32768)-1)&(x+32768);
+ return(ret);
+}
+
+#endif
+
+STIN ogg_int32_t VFLOAT_MULT(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t b,ogg_int32_t bp,
+ ogg_int32_t *p){
+ if(a && b){
+#ifndef _LOW_ACCURACY_
+ *p=ap+bp+32;
+ return MULT32(a,b);
+#else
+ *p=ap+bp+31;
+ return (a>>15)*(b>>16);
+#endif
+ }else
+ return 0;
+}
+
+int _ilog(unsigned int);
+
+STIN ogg_int32_t VFLOAT_MULTI(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t i,
+ ogg_int32_t *p){
+
+ int ip=_ilog(abs(i))-31;
+ return VFLOAT_MULT(a,ap,i<<-ip,ip,p);
+}
+
+STIN ogg_int32_t VFLOAT_ADD(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t b,ogg_int32_t bp,
+ ogg_int32_t *p){
+
+ if(!a){
+ *p=bp;
+ return b;
+ }else if(!b){
+ *p=ap;
+ return a;
+ }
+
+ /* yes, this can leak a bit. */
+ if(ap>bp){
+ int shift=ap-bp+1;
+ *p=ap+1;
+ a>>=1;
+ if(shift<32){
+ b=(b+(1<<(shift-1)))>>shift;
+ }else{
+ b=0;
+ }
+ }else{
+ int shift=bp-ap+1;
+ *p=bp+1;
+ b>>=1;
+ if(shift<32){
+ a=(a+(1<<(shift-1)))>>shift;
+ }else{
+ a=0;
+ }
+ }
+
+ a+=b;
+ if((a&0xc0000000)==0xc0000000 ||
+ (a&0xc0000000)==0){
+ a<<=1;
+ (*p)--;
+ }
+ return(a);
+}
+
+#endif
+
+
+
+
diff --git a/media/libtremor/lib/moz.build b/media/libtremor/lib/moz.build
new file mode 100644
index 0000000000..11d49a744a
--- /dev/null
+++ b/media/libtremor/lib/moz.build
@@ -0,0 +1,35 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+SOURCES += [
+ 'tremor_block.c',
+ 'tremor_codebook.c',
+ 'tremor_floor0.c',
+ 'tremor_floor1.c',
+ 'tremor_info.c',
+ 'tremor_mapping0.c',
+ 'tremor_mdct.c',
+ 'tremor_registry.c',
+ 'tremor_res012.c',
+ 'tremor_sharedbook.c',
+ 'tremor_synthesis.c',
+ 'tremor_window.c',
+]
+
+FINAL_LIBRARY = 'gkmedias'
+
+if CONFIG['OS_ARCH'] == 'AIX':
+ DEFINES['alloca'] = '__alloca'
+
+if CONFIG['CPU_ARCH'] == 'arm' and CONFIG['CC_TYPE'] in ('clang', 'gcc') and not CONFIG['MOZ_THUMB2']:
+ DEFINES['_ARM_ASSEM_'] = True
+
+LOCAL_INCLUDES += [
+ '/media/libtremor/include/tremor',
+]
+
+# We allow warnings for third-party code that can be updated from upstream.
+AllowCompilerWarnings()
diff --git a/media/libtremor/lib/os.h b/media/libtremor/lib/os.h
new file mode 100644
index 0000000000..130d27de32
--- /dev/null
+++ b/media/libtremor/lib/os.h
@@ -0,0 +1,64 @@
+#ifndef _OS_H
+#define _OS_H
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: #ifdef jail to whip a few platforms into the UNIX ideal.
+
+ ********************************************************************/
+
+#include <math.h>
+#include <ogg/os_types.h>
+
+#ifndef _V_IFDEFJAIL_H_
+# define _V_IFDEFJAIL_H_
+
+# ifdef __GNUC__
+# define STIN static __inline__
+# elif _WIN32
+# define STIN static __inline
+# endif
+#else
+# define STIN static
+#endif
+
+#ifndef M_PI
+# define M_PI (3.1415926536f)
+#endif
+
+#ifdef _WIN32
+# include <malloc.h>
+# define rint(x) (floor((x)+0.5f))
+# define NO_FLOAT_MATH_LIB
+# define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
+# define LITTLE_ENDIAN 1
+# define BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#endif
+
+#ifdef USE_MEMORY_H
+# include <memory.h>
+#endif
+
+#ifndef min
+# define min(x,y) ((x)>(y)?(y):(x))
+#endif
+
+#ifndef max
+# define max(x,y) ((x)<(y)?(y):(x))
+#endif
+
+#endif /* _OS_H */
diff --git a/media/libtremor/lib/registry.h b/media/libtremor/lib/registry.h
new file mode 100644
index 0000000000..2bc8068f69
--- /dev/null
+++ b/media/libtremor/lib/registry.h
@@ -0,0 +1,40 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: registry for time, floor, res backends and channel mappings
+
+ ********************************************************************/
+
+#ifndef _V_REG_H_
+#define _V_REG_H_
+
+#define VI_TRANSFORMB 1
+#define VI_WINDOWB 1
+#define VI_TIMEB 1
+#define VI_FLOORB 2
+#define VI_RESB 3
+#define VI_MAPB 1
+
+#include "backends.h"
+
+#if defined(_WIN32) && defined(VORBISDLL_IMPORT)
+# define EXTERN __declspec(dllimport) extern
+#else
+# define EXTERN extern
+#endif
+
+EXTERN vorbis_func_floor *_floor_P[];
+EXTERN vorbis_func_residue *_residue_P[];
+EXTERN vorbis_func_mapping *_mapping_P[];
+
+#endif
diff --git a/media/libtremor/lib/tremor_block.c b/media/libtremor/lib/tremor_block.c
new file mode 100644
index 0000000000..666bc51a62
--- /dev/null
+++ b/media/libtremor/lib/tremor_block.c
@@ -0,0 +1,497 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: PCM data vector blocking, windowing and dis/reassembly
+
+ ********************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+
+#include "window.h"
+#include "registry.h"
+#include "misc.h"
+
+static int ilog(unsigned int v){
+ int ret=0;
+ if(v)--v;
+ while(v){
+ ret++;
+ v>>=1;
+ }
+ return(ret);
+}
+
+/* pcm accumulator examples (not exhaustive):
+
+ <-------------- lW ---------------->
+ <--------------- W ---------------->
+: .....|..... _______________ |
+: .''' | '''_--- | |\ |
+:.....''' |_____--- '''......| | \_______|
+:.................|__________________|_______|__|______|
+ |<------ Sl ------>| > Sr < |endW
+ |beginSl |endSl | |endSr
+ |beginW |endlW |beginSr
+
+
+ |< lW >|
+ <--------------- W ---------------->
+ | | .. ______________ |
+ | | ' `/ | ---_ |
+ |___.'___/`. | ---_____|
+ |_______|__|_______|_________________|
+ | >|Sl|< |<------ Sr ----->|endW
+ | | |endSl |beginSr |endSr
+ |beginW | |endlW
+ mult[0] |beginSl mult[n]
+
+ <-------------- lW ----------------->
+ |<--W-->|
+: .............. ___ | |
+: .''' |`/ \ | |
+:.....''' |/`....\|...|
+:.........................|___|___|___|
+ |Sl |Sr |endW
+ | | |endSr
+ | |beginSr
+ | |endSl
+ |beginSl
+ |beginW
+*/
+
+/* block abstraction setup *********************************************/
+
+#ifndef WORD_ALIGN
+#define WORD_ALIGN 8
+#endif
+
+int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb){
+ memset(vb,0,sizeof(*vb));
+ vb->vd=v;
+ vb->localalloc=0;
+ vb->localstore=NULL;
+
+ return(0);
+}
+
+void *_vorbis_block_alloc(vorbis_block *vb,long bytes){
+ bytes=(bytes+(WORD_ALIGN-1)) & ~(WORD_ALIGN-1);
+ if(bytes+vb->localtop>vb->localalloc){
+ /* can't just _ogg_realloc... there are outstanding pointers */
+ if(vb->localstore){
+ struct alloc_chain *link=(struct alloc_chain *)_ogg_malloc(sizeof(*link));
+ vb->totaluse+=vb->localtop;
+ link->next=vb->reap;
+ link->ptr=vb->localstore;
+ vb->reap=link;
+ }
+ /* highly conservative */
+ vb->localalloc=bytes;
+ vb->localstore=_ogg_malloc(vb->localalloc);
+ vb->localtop=0;
+ }
+ {
+ void *ret=(void *)(((char *)vb->localstore)+vb->localtop);
+ vb->localtop+=bytes;
+ return ret;
+ }
+}
+
+/* reap the chain, pull the ripcord */
+void _vorbis_block_ripcord(vorbis_block *vb){
+ /* reap the chain */
+ struct alloc_chain *reap=vb->reap;
+ while(reap){
+ struct alloc_chain *next=reap->next;
+ _ogg_free(reap->ptr);
+ memset(reap,0,sizeof(*reap));
+ _ogg_free(reap);
+ reap=next;
+ }
+ /* consolidate storage */
+ if(vb->totaluse){
+ vb->localstore=_ogg_realloc(vb->localstore,vb->totaluse+vb->localalloc);
+ vb->localalloc+=vb->totaluse;
+ vb->totaluse=0;
+ }
+
+ /* pull the ripcord */
+ vb->localtop=0;
+ vb->reap=NULL;
+}
+
+int vorbis_block_clear(vorbis_block *vb){
+ _vorbis_block_ripcord(vb);
+ if(vb->localstore)_ogg_free(vb->localstore);
+
+ memset(vb,0,sizeof(*vb));
+ return(0);
+}
+
+static int _vds_init(vorbis_dsp_state *v,vorbis_info *vi){
+ int i;
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ private_state *b=NULL;
+
+ if(ci==NULL) return 1;
+
+ memset(v,0,sizeof(*v));
+ b=(private_state *)(v->backend_state=_ogg_calloc(1,sizeof(*b)));
+
+ v->vi=vi;
+ b->modebits=ilog(ci->modes);
+
+ /* Vorbis I uses only window type 0 */
+ b->window[0]=_vorbis_window(0,ci->blocksizes[0]/2);
+ b->window[1]=_vorbis_window(0,ci->blocksizes[1]/2);
+
+ /* finish the codebooks */
+ if(!ci->fullbooks){
+ ci->fullbooks=(codebook *)_ogg_calloc(ci->books,sizeof(*ci->fullbooks));
+ for(i=0;i<ci->books;i++){
+ if(ci->book_param[i]==NULL)
+ goto abort_books;
+ if(vorbis_book_init_decode(ci->fullbooks+i,ci->book_param[i]))
+ goto abort_books;
+ /* decode codebooks are now standalone after init */
+ vorbis_staticbook_destroy(ci->book_param[i]);
+ ci->book_param[i]=NULL;
+ }
+ }
+
+ v->pcm_storage=ci->blocksizes[1];
+ v->pcm=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->pcm));
+ v->pcmret=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->pcmret));
+ for(i=0;i<vi->channels;i++)
+ v->pcm[i]=(ogg_int32_t *)_ogg_calloc(v->pcm_storage,sizeof(*v->pcm[i]));
+
+ /* all 1 (large block) or 0 (small block) */
+ /* explicitly set for the sake of clarity */
+ v->lW=0; /* previous window size */
+ v->W=0; /* current window size */
+
+ /* initialize all the mapping/backend lookups */
+ b->mode=(vorbis_look_mapping **)_ogg_calloc(ci->modes,sizeof(*b->mode));
+ for(i=0;i<ci->modes;i++){
+ int mapnum=ci->mode_param[i]->mapping;
+ int maptype=ci->map_type[mapnum];
+ b->mode[i]=_mapping_P[maptype]->look(v,ci->mode_param[i],
+ ci->map_param[mapnum]);
+ }
+ return 0;
+abort_books:
+ for(i=0;i<ci->books;i++){
+ if(ci->book_param[i]!=NULL){
+ vorbis_staticbook_destroy(ci->book_param[i]);
+ ci->book_param[i]=NULL;
+ }
+ }
+ vorbis_dsp_clear(v);
+ return -1;
+}
+
+int vorbis_synthesis_restart(vorbis_dsp_state *v){
+ vorbis_info *vi=v->vi;
+ codec_setup_info *ci;
+
+ if(!v->backend_state)return -1;
+ if(!vi)return -1;
+ ci=vi->codec_setup;
+ if(!ci)return -1;
+
+ v->centerW=ci->blocksizes[1]/2;
+ v->pcm_current=v->centerW;
+
+ v->pcm_returned=-1;
+ v->granulepos=-1;
+ v->sequence=-1;
+ ((private_state *)(v->backend_state))->sample_count=-1;
+
+ return(0);
+}
+
+int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi){
+ if(_vds_init(v,vi))return 1;
+ vorbis_synthesis_restart(v);
+
+ return 0;
+}
+
+void vorbis_dsp_clear(vorbis_dsp_state *v){
+ int i;
+ if(v){
+ vorbis_info *vi=v->vi;
+ codec_setup_info *ci=(codec_setup_info *)(vi?vi->codec_setup:NULL);
+ private_state *b=(private_state *)v->backend_state;
+
+ if(v->pcm){
+ for(i=0;i<vi->channels;i++)
+ if(v->pcm[i])_ogg_free(v->pcm[i]);
+ _ogg_free(v->pcm);
+ if(v->pcmret)_ogg_free(v->pcmret);
+ }
+
+ /* free mode lookups; these are actually vorbis_look_mapping structs */
+ if(ci){
+ for(i=0;i<ci->modes;i++){
+ int mapnum=ci->mode_param[i]->mapping;
+ int maptype=ci->map_type[mapnum];
+ if(b && b->mode)_mapping_P[maptype]->free_look(b->mode[i]);
+ }
+ }
+
+ if(b){
+ if(b->mode)_ogg_free(b->mode);
+ _ogg_free(b);
+ }
+
+ memset(v,0,sizeof(*v));
+ }
+}
+
+/* Unlike in analysis, the window is only partially applied for each
+ block. The time domain envelope is not yet handled at the point of
+ calling (as it relies on the previous block). */
+
+int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
+ vorbis_info *vi=v->vi;
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ private_state *b=v->backend_state;
+ int i,j;
+
+ if(v->pcm_current>v->pcm_returned && v->pcm_returned!=-1)return(OV_EINVAL);
+
+ v->lW=v->W;
+ v->W=vb->W;
+ v->nW=-1;
+
+ if((v->sequence==-1)||
+ (v->sequence+1 != vb->sequence)){
+ v->granulepos=-1; /* out of sequence; lose count */
+ b->sample_count=-1;
+ }
+
+ v->sequence=vb->sequence;
+
+ if(vb->pcm){ /* no pcm to process if vorbis_synthesis_trackonly
+ was called on block */
+ int n=ci->blocksizes[v->W]/2;
+ int n0=ci->blocksizes[0]/2;
+ int n1=ci->blocksizes[1]/2;
+
+ int thisCenter;
+ int prevCenter;
+
+ if(v->centerW){
+ thisCenter=n1;
+ prevCenter=0;
+ }else{
+ thisCenter=0;
+ prevCenter=n1;
+ }
+
+ /* v->pcm is now used like a two-stage double buffer. We don't want
+ to have to constantly shift *or* adjust memory usage. Don't
+ accept a new block until the old is shifted out */
+
+ /* overlap/add PCM */
+
+ for(j=0;j<vi->channels;j++){
+ /* the overlap/add section */
+ if(v->lW){
+ if(v->W){
+ /* large/large */
+ ogg_int32_t *pcm=v->pcm[j]+prevCenter;
+ ogg_int32_t *p=vb->pcm[j];
+ for(i=0;i<n1;i++)
+ pcm[i]+=p[i];
+ }else{
+ /* large/small */
+ ogg_int32_t *pcm=v->pcm[j]+prevCenter+n1/2-n0/2;
+ ogg_int32_t *p=vb->pcm[j];
+ for(i=0;i<n0;i++)
+ pcm[i]+=p[i];
+ }
+ }else{
+ if(v->W){
+ /* small/large */
+ ogg_int32_t *pcm=v->pcm[j]+prevCenter;
+ ogg_int32_t *p=vb->pcm[j]+n1/2-n0/2;
+ for(i=0;i<n0;i++)
+ pcm[i]+=p[i];
+ for(;i<n1/2+n0/2;i++)
+ pcm[i]=p[i];
+ }else{
+ /* small/small */
+ ogg_int32_t *pcm=v->pcm[j]+prevCenter;
+ ogg_int32_t *p=vb->pcm[j];
+ for(i=0;i<n0;i++)
+ pcm[i]+=p[i];
+ }
+ }
+
+ /* the copy section */
+ {
+ ogg_int32_t *pcm=v->pcm[j]+thisCenter;
+ ogg_int32_t *p=vb->pcm[j]+n;
+ for(i=0;i<n;i++)
+ pcm[i]=p[i];
+ }
+ }
+
+ if(v->centerW)
+ v->centerW=0;
+ else
+ v->centerW=n1;
+
+ /* deal with initial packet state; we do this using the explicit
+ pcm_returned==-1 flag otherwise we're sensitive to first block
+ being short or long */
+
+ if(v->pcm_returned==-1){
+ v->pcm_returned=thisCenter;
+ v->pcm_current=thisCenter;
+ }else{
+ v->pcm_returned=prevCenter;
+ v->pcm_current=prevCenter+
+ ci->blocksizes[v->lW]/4+
+ ci->blocksizes[v->W]/4;
+ }
+
+ }
+
+ /* track the frame number... This is for convenience, but also
+ making sure our last packet doesn't end with added padding. If
+ the last packet is partial, the number of samples we'll have to
+ return will be past the vb->granulepos.
+
+ This is not foolproof! It will be confused if we begin
+ decoding at the last page after a seek or hole. In that case,
+ we don't have a starting point to judge where the last frame
+ is. For this reason, vorbisfile will always try to make sure
+ it reads the last two marked pages in proper sequence */
+
+ if(b->sample_count==-1){
+ b->sample_count=0;
+ }else{
+ b->sample_count+=ci->blocksizes[v->lW]/4+ci->blocksizes[v->W]/4;
+ }
+
+ if(v->granulepos==-1){
+ if(vb->granulepos!=-1){ /* only set if we have a position to set to */
+
+ v->granulepos=vb->granulepos;
+
+ /* is this a short page? */
+ if(b->sample_count>v->granulepos){
+ /* corner case; if this is both the first and last audio page,
+ then spec says the end is cut, not beginning */
+ long extra=b->sample_count-vb->granulepos;
+
+ /* we use ogg_int64_t for granule positions because a
+ uint64 isn't universally available. Unfortunately,
+ that means granposes can be 'negative' and result in
+ extra being negative */
+ if(extra<0)
+ extra=0;
+
+ if(vb->eofflag){
+ /* trim the end */
+ /* no preceeding granulepos; assume we started at zero (we'd
+ have to in a short single-page stream) */
+ /* granulepos could be -1 due to a seek, but that would result
+ in a long coun`t, not short count */
+
+ /* Guard against corrupt/malicious frames that set EOP and
+ a backdated granpos; don't rewind more samples than we
+ actually have */
+ if(extra > v->pcm_current - v->pcm_returned)
+ extra = v->pcm_current - v->pcm_returned;
+
+ v->pcm_current-=extra;
+ }else{
+ /* trim the beginning */
+ v->pcm_returned+=extra;
+ if(v->pcm_returned>v->pcm_current)
+ v->pcm_returned=v->pcm_current;
+ }
+
+ }
+
+ }
+ }else{
+ v->granulepos+=ci->blocksizes[v->lW]/4+ci->blocksizes[v->W]/4;
+ if(vb->granulepos!=-1 && v->granulepos!=vb->granulepos){
+
+ if(v->granulepos>vb->granulepos){
+ long extra=v->granulepos-vb->granulepos;
+
+ if(extra)
+ if(vb->eofflag){
+ /* partial last frame. Strip the extra samples off */
+
+ /* Guard against corrupt/malicious frames that set EOP and
+ a backdated granpos; don't rewind more samples than we
+ actually have */
+ if(extra > v->pcm_current - v->pcm_returned)
+ extra = v->pcm_current - v->pcm_returned;
+
+ /* we use ogg_int64_t for granule positions because a
+ uint64 isn't universally available. Unfortunately,
+ that means granposes can be 'negative' and result in
+ extra being negative */
+ if(extra<0)
+ extra=0;
+
+ v->pcm_current-=extra;
+
+ } /* else {Shouldn't happen *unless* the bitstream is out of
+ spec. Either way, believe the bitstream } */
+ } /* else {Shouldn't happen *unless* the bitstream is out of
+ spec. Either way, believe the bitstream } */
+ v->granulepos=vb->granulepos;
+ }
+ }
+
+ /* Update, cleanup */
+
+ if(vb->eofflag)v->eofflag=1;
+ return(0);
+}
+
+/* pcm==NULL indicates we just want the pending samples, no more */
+int vorbis_synthesis_pcmout(vorbis_dsp_state *v,ogg_int32_t ***pcm){
+ vorbis_info *vi=v->vi;
+ if(v->pcm_returned>-1 && v->pcm_returned<v->pcm_current){
+ if(pcm){
+ int i;
+ for(i=0;i<vi->channels;i++)
+ v->pcmret[i]=v->pcm[i]+v->pcm_returned;
+ *pcm=v->pcmret;
+ }
+ return(v->pcm_current-v->pcm_returned);
+ }
+ return(0);
+}
+
+int vorbis_synthesis_read(vorbis_dsp_state *v,int bytes){
+ if(bytes && v->pcm_returned+bytes>v->pcm_current)return(OV_EINVAL);
+ v->pcm_returned+=bytes;
+ return(0);
+}
+
diff --git a/media/libtremor/lib/tremor_codebook.c b/media/libtremor/lib/tremor_codebook.c
new file mode 100644
index 0000000000..1e1ae8a916
--- /dev/null
+++ b/media/libtremor/lib/tremor_codebook.c
@@ -0,0 +1,391 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: basic codebook pack/unpack/code/decode operations
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codebook.h"
+#include "misc.h"
+
+/* unpacks a codebook from the packet buffer into the codebook struct,
+ readies the codebook auxiliary structures for decode *************/
+static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
+ long i,j;
+ static_codebook *s=_ogg_calloc(1,sizeof(*s));
+
+ /* make sure alignment is correct */
+ if(oggpack_read(opb,24)!=0x564342)goto _eofout;
+
+ /* first the basic parameters */
+ s->dim=oggpack_read(opb,16);
+ s->entries=oggpack_read(opb,24);
+ if(s->entries==-1)goto _eofout;
+
+ if(_ilog(s->dim)+_ilog(s->entries)>24)goto _eofout;
+
+ /* codeword ordering.... length ordered or unordered? */
+ switch((int)oggpack_read(opb,1)){
+ case 0:{
+ long unused;
+ /* allocated but unused entries? */
+ unused=oggpack_read(opb,1);
+ if((s->entries*(unused?1:5)+7)>>3>opb->storage-oggpack_bytes(opb))
+ goto _eofout;
+ /* unordered */
+ s->lengthlist=(long *)_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
+
+ /* allocated but unused entries? */
+ if(unused){
+ /* yes, unused entries */
+
+ for(i=0;i<s->entries;i++){
+ if(oggpack_read(opb,1)){
+ long num=oggpack_read(opb,5);
+ if(num==-1)goto _eofout;
+ s->lengthlist[i]=num+1;
+ }else
+ s->lengthlist[i]=0;
+ }
+ }else{
+ /* all entries used; no tagging */
+ for(i=0;i<s->entries;i++){
+ long num=oggpack_read(opb,5);
+ if(num==-1)goto _eofout;
+ s->lengthlist[i]=num+1;
+ }
+ }
+
+ break;
+ }
+ case 1:
+ /* ordered */
+ {
+ long length=oggpack_read(opb,5)+1;
+ if(length==0)goto _eofout;
+ s->lengthlist=(long *)_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
+
+ for(i=0;i<s->entries;){
+ long num=oggpack_read(opb,_ilog(s->entries-i));
+ if(num==-1)goto _eofout;
+ if(length>32 || num>s->entries-i ||
+ (num>0 && (num-1)>>(length>>1)>>((length+1)>>1))>0){
+ goto _errout;
+ }
+ for(j=0;j<num;j++,i++)
+ s->lengthlist[i]=length;
+ length++;
+ }
+ }
+ break;
+ default:
+ /* EOF */
+ goto _eofout;
+ }
+
+ /* Do we have a mapping to unpack? */
+ switch((s->maptype=oggpack_read(opb,4))){
+ case 0:
+ /* no mapping */
+ break;
+ case 1: case 2:
+ /* implicitly populated value mapping */
+ /* explicitly populated value mapping */
+
+ s->q_min=oggpack_read(opb,32);
+ s->q_delta=oggpack_read(opb,32);
+ s->q_quant=oggpack_read(opb,4)+1;
+ s->q_sequencep=oggpack_read(opb,1);
+ if(s->q_sequencep==-1)goto _eofout;
+
+ {
+ int quantvals=0;
+ switch(s->maptype){
+ case 1:
+ quantvals=(s->dim==0?0:_book_maptype1_quantvals(s));
+ break;
+ case 2:
+ quantvals=s->entries*s->dim;
+ break;
+ }
+
+ /* quantized values */
+ if((quantvals*s->q_quant+7)>>3>opb->storage-oggpack_bytes(opb))
+ goto _eofout;
+ s->quantlist=(long *)_ogg_malloc(sizeof(*s->quantlist)*quantvals);
+ for(i=0;i<quantvals;i++)
+ s->quantlist[i]=oggpack_read(opb,s->q_quant);
+
+ if(quantvals&&s->quantlist[quantvals-1]==-1)goto _eofout;
+ }
+ break;
+ default:
+ goto _errout;
+ }
+
+ /* all set */
+ return(s);
+
+ _errout:
+ _eofout:
+ vorbis_staticbook_destroy(s);
+ return(NULL);
+}
+
+/* the 'eliminate the decode tree' optimization actually requires the
+ codewords to be MSb first, not LSb. This is an annoying inelegancy
+ (and one of the first places where carefully thought out design
+ turned out to be wrong; Vorbis II and future Ogg codecs should go
+ to an MSb bitpacker), but not actually the huge hit it appears to
+ be. The first-stage decode table catches most words so that
+ bitreverse is not in the main execution path. */
+
+static ogg_uint32_t bitreverse(ogg_uint32_t x){
+ x= ((x>>16)&0x0000ffff) | ((x<<16)&0xffff0000);
+ x= ((x>> 8)&0x00ff00ff) | ((x<< 8)&0xff00ff00);
+ x= ((x>> 4)&0x0f0f0f0f) | ((x<< 4)&0xf0f0f0f0);
+ x= ((x>> 2)&0x33333333) | ((x<< 2)&0xcccccccc);
+ return((x>> 1)&0x55555555) | ((x<< 1)&0xaaaaaaaa);
+}
+
+STIN long decode_packed_entry_number(codebook *book,
+ oggpack_buffer *b){
+ int read=book->dec_maxlength;
+ long lo,hi;
+ long lok = oggpack_look(b,book->dec_firsttablen);
+
+ if (lok >= 0) {
+ long entry = book->dec_firsttable[lok];
+ if(entry&0x80000000UL){
+ lo=(entry>>15)&0x7fff;
+ hi=book->used_entries-(entry&0x7fff);
+ }else{
+ oggpack_adv(b, book->dec_codelengths[entry-1]);
+ return(entry-1);
+ }
+ }else{
+ lo=0;
+ hi=book->used_entries;
+ }
+
+ lok = oggpack_look(b, read);
+
+ while(lok<0 && read>1)
+ lok = oggpack_look(b, --read);
+
+ if(lok<0){
+ oggpack_adv(b,1); /* force eop */
+ return -1;
+ }
+
+ /* bisect search for the codeword in the ordered list */
+ {
+ ogg_uint32_t testword=bitreverse((ogg_uint32_t)lok);
+
+ while(hi-lo>1){
+ long p=(hi-lo)>>1;
+ long test=book->codelist[lo+p]>testword;
+ lo+=p&(test-1);
+ hi-=p&(-test);
+ }
+
+ if(book->dec_codelengths[lo]<=read){
+ oggpack_adv(b, book->dec_codelengths[lo]);
+ return(lo);
+ }
+ }
+
+ oggpack_adv(b, read+1);
+ return(-1);
+}
+
+/* Decode side is specced and easier, because we don't need to find
+ matches using different criteria; we simply read and map. There are
+ two things we need to do 'depending':
+
+ We may need to support interleave. We don't really, but it's
+ convenient to do it here rather than rebuild the vector later.
+
+ Cascades may be additive or multiplicitive; this is not inherent in
+ the codebook, but set in the code using the codebook. Like
+ interleaving, it's easiest to do it here.
+ addmul==0 -> declarative (set the value)
+ addmul==1 -> additive
+ addmul==2 -> multiplicitive */
+
+/* returns the [original, not compacted] entry number or -1 on eof *********/
+long vorbis_book_decode(codebook *book, oggpack_buffer *b){
+ if(book->used_entries>0){
+ long packed_entry=decode_packed_entry_number(book,b);
+ if(packed_entry>=0)
+ return(book->dec_index[packed_entry]);
+ }
+
+ /* if there's no dec_index, the codebook unpacking isn't collapsed */
+ return(-1);
+}
+
+/* returns 0 on OK or -1 on eof *************************************/
+/* decode vector / dim granularity gaurding is done in the upper layer */
+long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point){
+ if(book->used_entries>0){
+ int step=n/book->dim;
+ long *entry = (long *)alloca(sizeof(*entry)*step);
+ ogg_int32_t **t = (ogg_int32_t **)alloca(sizeof(*t)*step);
+ int i,j,o;
+ int shift=point-book->binarypoint;
+
+ if(shift>=0){
+ for (i = 0; i < step; i++) {
+ entry[i]=decode_packed_entry_number(book,b);
+ if(entry[i]==-1)return(-1);
+ t[i] = book->valuelist+entry[i]*book->dim;
+ }
+ for(i=0,o=0;i<book->dim;i++,o+=step)
+ for (j=0;o+j<n && j<step;j++)
+ a[o+j]+=t[j][i]>>shift;
+ }else{
+ for (i = 0; i < step; i++) {
+ entry[i]=decode_packed_entry_number(book,b);
+ if(entry[i]==-1)return(-1);
+ t[i] = book->valuelist+entry[i]*book->dim;
+ }
+ for(i=0,o=0;i<book->dim;i++,o+=step)
+ for (j=0;o+j<n && j<step;j++)
+ a[o+j]+=t[j][i]<<-shift;
+ }
+ }
+ return(0);
+}
+
+/* decode vector / dim granularity gaurding is done in the upper layer */
+long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point){
+ if(book->used_entries>0){
+ int i,j,entry;
+ ogg_int32_t *t;
+ int shift=point-book->binarypoint;
+
+ if(shift>=0){
+ for(i=0;i<n;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ t = book->valuelist+entry*book->dim;
+ for (j=0;i<n && j<book->dim;)
+ a[i++]+=t[j++]>>shift;
+ }
+ }else{
+ for(i=0;i<n;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ t = book->valuelist+entry*book->dim;
+ for (j=0;i<n && j<book->dim;)
+ a[i++]+=t[j++]<<-shift;
+ }
+ }
+ }
+ return(0);
+}
+
+/* unlike the others, we guard against n not being an integer number
+ of <dim> internally rather than in the upper layer (called only by
+ floor0) */
+long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a,
+ oggpack_buffer *b,int n,int point){
+ if(book->used_entries>0){
+ int i,j,entry;
+ ogg_int32_t *t;
+ int shift=point-book->binarypoint;
+
+ if(shift>=0){
+
+ for(i=0;i<n;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ t = book->valuelist+entry*book->dim;
+ for (j=0;i<n && j<book->dim;){
+ a[i++]=t[j++]>>shift;
+ }
+ }
+ }else{
+
+ for(i=0;i<n;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ t = book->valuelist+entry*book->dim;
+ for (j=0;i<n && j<book->dim;){
+ a[i++]=t[j++]<<-shift;
+ }
+ }
+ }
+ }else{
+
+ int i,j;
+ for(i=0;i<n;){
+ a[i++]=0;
+ }
+ }
+ return(0);
+}
+
+/* decode vector / dim granularity gaurding is done in the upper layer */
+long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a,\
+ long offset,int ch,
+ oggpack_buffer *b,int n,int point){
+ if(book->used_entries>0){
+ long i,j,entry;
+ int chptr=0;
+ int shift=point-book->binarypoint;
+ int m=offset+n;
+ if(shift>=0){
+
+ for(i=offset;i<m;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ {
+ const ogg_int32_t *t = book->valuelist+entry*book->dim;
+ for (j=0;i<m && j<book->dim;j++){
+ a[chptr++][i]+=t[j]>>shift;
+ if(chptr==ch){
+ chptr=0;
+ i++;
+ }
+ }
+ }
+ }
+ }else{
+
+ for(i=offset;i<m;){
+ entry = decode_packed_entry_number(book,b);
+ if(entry==-1)return(-1);
+ {
+ const ogg_int32_t *t = book->valuelist+entry*book->dim;
+ for (j=0;i<m && j<book->dim;j++){
+ a[chptr++][i]+=t[j]<<-shift;
+ if(chptr==ch){
+ chptr=0;
+ i++;
+ }
+ }
+ }
+ }
+ }
+ }
+ return(0);
+}
diff --git a/media/libtremor/lib/tremor_floor0.c b/media/libtremor/lib/tremor_floor0.c
new file mode 100644
index 0000000000..9f3ef56014
--- /dev/null
+++ b/media/libtremor/lib/tremor_floor0.c
@@ -0,0 +1,438 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: floor backend 0 implementation
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "registry.h"
+#include "codebook.h"
+#include "misc.h"
+#include "block.h"
+
+#define LSP_FRACBITS 14
+
+typedef struct {
+ long n;
+ int ln;
+ int m;
+ int *linearmap;
+
+ vorbis_info_floor0 *vi;
+ ogg_int32_t *lsp_look;
+
+} vorbis_look_floor0;
+
+/*************** LSP decode ********************/
+
+#include "lsp_lookup.h"
+
+/* interpolated 1./sqrt(p) where .5 <= a < 1. (.100000... to .111111...) in
+ 16.16 format
+ returns in m.8 format */
+
+static long ADJUST_SQRT2[2]={8192,5792};
+STIN ogg_int32_t vorbis_invsqlook_i(long a,long e){
+ long i=(a&0x7fff)>>(INVSQ_LOOKUP_I_SHIFT-1);
+ long d=a&INVSQ_LOOKUP_I_MASK; /* 0.10 */
+ long val=INVSQ_LOOKUP_I[i]- /* 1.16 */
+ ((INVSQ_LOOKUP_IDel[i]*d)>>INVSQ_LOOKUP_I_SHIFT); /* result 1.16 */
+ val*=ADJUST_SQRT2[e&1];
+ e=(e>>1)+21;
+ return(val>>e);
+}
+
+/* interpolated lookup based fromdB function, domain -140dB to 0dB only */
+/* a is in n.12 format */
+STIN ogg_int32_t vorbis_fromdBlook_i(long a){
+ int i=(-a)>>(12-FROMdB2_SHIFT);
+ if(i<0) return 0x7fffffff;
+ if(i>=(FROMdB_LOOKUP_SZ<<FROMdB_SHIFT))return 0;
+
+ return FROMdB_LOOKUP[i>>FROMdB_SHIFT] * FROMdB2_LOOKUP[i&FROMdB2_MASK];
+}
+
+/* interpolated lookup based cos function, domain 0 to PI only */
+/* a is in 0.16 format, where 0==0, 2^^16-1==PI, return 0.14 */
+STIN ogg_int32_t vorbis_coslook_i(long a){
+ int i=a>>COS_LOOKUP_I_SHIFT;
+ int d=a&COS_LOOKUP_I_MASK;
+ return COS_LOOKUP_I[i]- ((d*(COS_LOOKUP_I[i]-COS_LOOKUP_I[i+1]))>>
+ COS_LOOKUP_I_SHIFT);
+}
+
+/* interpolated lookup based cos function */
+/* a is in 0.16 format, where 0==0, 2^^16==PI, return .LSP_FRACBITS */
+STIN ogg_int32_t vorbis_coslook2_i(long a){
+ a=a&0x1ffff;
+
+ if(a>0x10000)a=0x20000-a;
+ {
+ int i=a>>COS_LOOKUP_I_SHIFT;
+ int d=a&COS_LOOKUP_I_MASK;
+ a=((COS_LOOKUP_I[i]<<COS_LOOKUP_I_SHIFT)-
+ d*(COS_LOOKUP_I[i]-COS_LOOKUP_I[i+1]))>>
+ (COS_LOOKUP_I_SHIFT-LSP_FRACBITS+14);
+ }
+
+ return(a);
+}
+
+static const int barklook[28]={
+ 0,100,200,301, 405,516,635,766,
+ 912,1077,1263,1476, 1720,2003,2333,2721,
+ 3184,3742,4428,5285, 6376,7791,9662,12181,
+ 15624,20397,27087,36554
+};
+
+/* used in init only; interpolate the long way */
+STIN ogg_int32_t toBARK(int n){
+ int i;
+ for(i=0;i<27;i++)
+ if(n>=barklook[i] && n<barklook[i+1])break;
+
+ if(i==27){
+ return 27<<15;
+ }else{
+ int gap=barklook[i+1]-barklook[i];
+ int del=n-barklook[i];
+
+ return((i<<15)+((del<<15)/gap));
+ }
+}
+
+static const unsigned char MLOOP_1[64]={
+ 0,10,11,11, 12,12,12,12, 13,13,13,13, 13,13,13,13,
+ 14,14,14,14, 14,14,14,14, 14,14,14,14, 14,14,14,14,
+ 15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
+ 15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
+};
+
+static const unsigned char MLOOP_2[64]={
+ 0,4,5,5, 6,6,6,6, 7,7,7,7, 7,7,7,7,
+ 8,8,8,8, 8,8,8,8, 8,8,8,8, 8,8,8,8,
+ 9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
+ 9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
+};
+
+static const unsigned char MLOOP_3[8]={0,1,2,2,3,3,3,3};
+
+void vorbis_lsp_to_curve(ogg_int32_t *curve,int *map,int n,int ln,
+ ogg_int32_t *lsp,int m,
+ ogg_int32_t amp,
+ ogg_int32_t ampoffset,
+ ogg_int32_t *icos){
+
+ /* 0 <= m < 256 */
+
+ /* set up for using all int later */
+ int i;
+ int ampoffseti=ampoffset*4096;
+ int ampi=amp;
+ ogg_int32_t *ilsp=(ogg_int32_t *)alloca(m*sizeof(*ilsp));
+ /* lsp is in 8.24, range 0 to PI; coslook wants it in .16 0 to 1*/
+ for(i=0;i<m;i++){
+#ifndef _LOW_ACCURACY_
+ ogg_int32_t val=MULT32(lsp[i],0x517cc2);
+#else
+ ogg_int32_t val=((lsp[i]>>10)*0x517d)>>14;
+#endif
+
+ /* safeguard against a malicious stream */
+ if(val<0 || (val>>COS_LOOKUP_I_SHIFT)>=COS_LOOKUP_I_SZ){
+ memset(curve,0,sizeof(*curve)*n);
+ return;
+ }
+
+ ilsp[i]=vorbis_coslook_i(val);
+ }
+
+ i=0;
+ while(i<n){
+ int j,k=map[i];
+ ogg_uint32_t pi=46341; /* 2**-.5 in 0.16 */
+ ogg_uint32_t qi=46341;
+ ogg_int32_t qexp=0,shift;
+ ogg_int32_t wi=icos[k];
+
+#ifdef _V_LSP_MATH_ASM
+ lsp_loop_asm(&qi,&pi,&qexp,ilsp,wi,m);
+
+ pi=((pi*pi)>>16);
+ qi=((qi*qi)>>16);
+
+ if(m&1){
+ qexp= qexp*2-28*((m+1)>>1)+m;
+ pi*=(1<<14)-((wi*wi)>>14);
+ qi+=pi>>14;
+ }else{
+ qexp= qexp*2-13*m;
+
+ pi*=(1<<14)-wi;
+ qi*=(1<<14)+wi;
+
+ qi=(qi+pi)>>14;
+ }
+
+ if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */
+ qi>>=1; qexp++;
+ }else
+ lsp_norm_asm(&qi,&qexp);
+
+#else
+
+ j=1;
+ if(m>1){
+ qi*=labs(ilsp[0]-wi);
+ pi*=labs(ilsp[1]-wi);
+
+ for(j+=2;j<m;j+=2){
+ if(!(shift=MLOOP_1[(pi|qi)>>25]))
+ if(!(shift=MLOOP_2[(pi|qi)>>19]))
+ shift=MLOOP_3[(pi|qi)>>16];
+ qi=(qi>>shift)*labs(ilsp[j-1]-wi);
+ pi=(pi>>shift)*labs(ilsp[j]-wi);
+ qexp+=shift;
+ }
+ }
+ if(!(shift=MLOOP_1[(pi|qi)>>25]))
+ if(!(shift=MLOOP_2[(pi|qi)>>19]))
+ shift=MLOOP_3[(pi|qi)>>16];
+
+ /* pi,qi normalized collectively, both tracked using qexp */
+
+ if(m&1){
+ /* odd order filter; slightly assymetric */
+ /* the last coefficient */
+ qi=(qi>>shift)*labs(ilsp[j-1]-wi);
+ pi=(pi>>shift)<<14;
+ qexp+=shift;
+
+ if(!(shift=MLOOP_1[(pi|qi)>>25]))
+ if(!(shift=MLOOP_2[(pi|qi)>>19]))
+ shift=MLOOP_3[(pi|qi)>>16];
+
+ pi>>=shift;
+ qi>>=shift;
+ qexp+=shift-14*((m+1)>>1);
+
+ pi=((pi*pi)>>16);
+ qi=((qi*qi)>>16);
+ qexp=qexp*2+m;
+
+ pi*=(1<<14)-((wi*wi)>>14);
+ qi+=pi>>14;
+
+ }else{
+ /* even order filter; still symmetric */
+
+ /* p*=p(1-w), q*=q(1+w), let normalization drift because it isn't
+ worth tracking step by step */
+
+ pi>>=shift;
+ qi>>=shift;
+ qexp+=shift-7*m;
+
+ pi=((pi*pi)>>16);
+ qi=((qi*qi)>>16);
+ qexp=qexp*2+m;
+
+ pi*=(1<<14)-wi;
+ qi*=(1<<14)+wi;
+ qi=(qi+pi)>>14;
+
+ }
+
+
+ /* we've let the normalization drift because it wasn't important;
+ however, for the lookup, things must be normalized again. We
+ need at most one right shift or a number of left shifts */
+
+ if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */
+ qi>>=1; qexp++;
+ }else
+ while(qi && !(qi&0x8000)){ /* checks for 0.0xxxxxxxxxxxxxxx or less*/
+ qi<<=1; qexp--;
+ }
+
+#endif
+
+ amp=vorbis_fromdBlook_i(ampi* /* n.4 */
+ vorbis_invsqlook_i(qi,qexp)-
+ /* m.8, m+n<=8 */
+ ampoffseti); /* 8.12[0] */
+
+#ifdef _LOW_ACCURACY_
+ amp>>=9;
+#endif
+ curve[i]= MULT31_SHIFT15(curve[i],amp);
+ while(map[++i]==k) curve[i]= MULT31_SHIFT15(curve[i],amp);
+ }
+}
+
+/*************** vorbis decode glue ************/
+
+static void floor0_free_info(vorbis_info_floor *i){
+ vorbis_info_floor0 *info=(vorbis_info_floor0 *)i;
+ if(info){
+ memset(info,0,sizeof(*info));
+ _ogg_free(info);
+ }
+}
+
+static void floor0_free_look(vorbis_look_floor *i){
+ vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
+ if(look){
+
+ if(look->linearmap)_ogg_free(look->linearmap);
+ if(look->lsp_look)_ogg_free(look->lsp_look);
+ memset(look,0,sizeof(*look));
+ _ogg_free(look);
+ }
+}
+
+static vorbis_info_floor *floor0_unpack (vorbis_info *vi,oggpack_buffer *opb){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ int j;
+
+ vorbis_info_floor0 *info=(vorbis_info_floor0 *)_ogg_malloc(sizeof(*info));
+ info->order=oggpack_read(opb,8);
+ info->rate=oggpack_read(opb,16);
+ info->barkmap=oggpack_read(opb,16);
+ info->ampbits=oggpack_read(opb,6);
+ info->ampdB=oggpack_read(opb,8);
+ info->numbooks=oggpack_read(opb,4)+1;
+
+ if(info->order<1)goto err_out;
+ if(info->rate<1)goto err_out;
+ if(info->barkmap<1)goto err_out;
+ if(info->numbooks<1)goto err_out;
+
+ for(j=0;j<info->numbooks;j++){
+ info->books[j]=oggpack_read(opb,8);
+ if(info->books[j]<0 || info->books[j]>=ci->books)goto err_out;
+ if(ci->book_param[info->books[j]]->maptype==0)goto err_out;
+ }
+ return(info);
+
+ err_out:
+ floor0_free_info(info);
+ return(NULL);
+}
+
+/* initialize Bark scale and normalization lookups. We could do this
+ with static tables, but Vorbis allows a number of possible
+ combinations, so it's best to do it computationally.
+
+ The below is authoritative in terms of defining scale mapping.
+ Note that the scale depends on the sampling rate as well as the
+ linear block and mapping sizes */
+
+static vorbis_look_floor *floor0_look (vorbis_dsp_state *vd,vorbis_info_mode *mi,
+ vorbis_info_floor *i){
+ int j;
+ vorbis_info *vi=vd->vi;
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ vorbis_info_floor0 *info=(vorbis_info_floor0 *)i;
+ vorbis_look_floor0 *look=(vorbis_look_floor0 *)_ogg_calloc(1,sizeof(*look));
+ look->m=info->order;
+ look->n=ci->blocksizes[mi->blockflag]/2;
+ look->ln=info->barkmap;
+ look->vi=info;
+
+ /* the mapping from a linear scale to a smaller bark scale is
+ straightforward. We do *not* make sure that the linear mapping
+ does not skip bark-scale bins; the decoder simply skips them and
+ the encoder may do what it wishes in filling them. They're
+ necessary in some mapping combinations to keep the scale spacing
+ accurate */
+ look->linearmap=(int *)_ogg_malloc((look->n+1)*sizeof(*look->linearmap));
+ for(j=0;j<look->n;j++){
+
+ int val=(look->ln*
+ ((toBARK(info->rate/2*j/look->n)<<11)/toBARK(info->rate/2)))>>11;
+
+ if(val>=look->ln)val=look->ln-1; /* guard against the approximation */
+ look->linearmap[j]=val;
+ }
+ look->linearmap[j]=-1;
+
+ look->lsp_look=(ogg_int32_t *)_ogg_malloc(look->ln*sizeof(*look->lsp_look));
+ for(j=0;j<look->ln;j++)
+ look->lsp_look[j]=vorbis_coslook2_i(0x10000*j/look->ln);
+
+ return look;
+}
+
+static void *floor0_inverse1(vorbis_block *vb,vorbis_look_floor *i){
+ vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
+ vorbis_info_floor0 *info=look->vi;
+ int j,k;
+
+ int ampraw=oggpack_read(&vb->opb,info->ampbits);
+ if(ampraw>0){ /* also handles the -1 out of data case */
+ long maxval=(1<<info->ampbits)-1;
+ int amp=((ampraw*info->ampdB)<<4)/maxval;
+ int booknum=oggpack_read(&vb->opb,_ilog(info->numbooks));
+
+ if(booknum!=-1 && booknum<info->numbooks){ /* be paranoid */
+ codec_setup_info *ci=(codec_setup_info *)vb->vd->vi->codec_setup;
+ codebook *b=ci->fullbooks+info->books[booknum];
+ ogg_int32_t last=0;
+ ogg_int32_t *lsp=(ogg_int32_t *)_vorbis_block_alloc(vb,sizeof(*lsp)*(look->m+1));
+
+ if(vorbis_book_decodev_set(b,lsp,&vb->opb,look->m,-24)==-1)goto eop;
+ for(j=0;j<look->m;){
+ for(k=0;j<look->m && k<b->dim;k++,j++)lsp[j]+=last;
+ last=lsp[j-1];
+ }
+
+ lsp[look->m]=amp;
+ return(lsp);
+ }
+ }
+ eop:
+ return(NULL);
+}
+
+static int floor0_inverse2(vorbis_block *vb,vorbis_look_floor *i,
+ void *memo,ogg_int32_t *out){
+ vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
+ vorbis_info_floor0 *info=look->vi;
+
+ if(memo){
+ ogg_int32_t *lsp=(ogg_int32_t *)memo;
+ ogg_int32_t amp=lsp[look->m];
+
+ /* take the coefficients back to a spectral envelope curve */
+ vorbis_lsp_to_curve(out,look->linearmap,look->n,look->ln,
+ lsp,look->m,amp,info->ampdB,look->lsp_look);
+ return(1);
+ }
+ memset(out,0,sizeof(*out)*look->n);
+ return(0);
+}
+
+/* export hooks */
+vorbis_func_floor floor0_exportbundle={
+ &floor0_unpack,&floor0_look,&floor0_free_info,
+ &floor0_free_look,&floor0_inverse1,&floor0_inverse2
+};
+
+
diff --git a/media/libtremor/lib/tremor_floor1.c b/media/libtremor/lib/tremor_floor1.c
new file mode 100644
index 0000000000..12a687ec53
--- /dev/null
+++ b/media/libtremor/lib/tremor_floor1.c
@@ -0,0 +1,461 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: floor backend 1 implementation
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "registry.h"
+#include "codebook.h"
+#include "misc.h"
+#include "block.h"
+
+#define floor1_rangedB 140 /* floor 1 fixed at -140dB to 0dB range */
+
+typedef struct {
+ int forward_index[VIF_POSIT+2];
+
+ int hineighbor[VIF_POSIT];
+ int loneighbor[VIF_POSIT];
+ int posts;
+
+ int n;
+ int quant_q;
+ vorbis_info_floor1 *vi;
+
+} vorbis_look_floor1;
+
+/***********************************************/
+
+static void floor1_free_info(vorbis_info_floor *i){
+ vorbis_info_floor1 *info=(vorbis_info_floor1 *)i;
+ if(info){
+ memset(info,0,sizeof(*info));
+ _ogg_free(info);
+ }
+}
+
+static void floor1_free_look(vorbis_look_floor *i){
+ vorbis_look_floor1 *look=(vorbis_look_floor1 *)i;
+ if(look){
+ memset(look,0,sizeof(*look));
+ _ogg_free(look);
+ }
+}
+
+static int ilog(unsigned int v){
+ int ret=0;
+ while(v){
+ ret++;
+ v>>=1;
+ }
+ return(ret);
+}
+
+static int icomp(const void *a,const void *b){
+ return(**(int **)a-**(int **)b);
+}
+
+static vorbis_info_floor *floor1_unpack (vorbis_info *vi,oggpack_buffer *opb){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ int j,k,count=0,maxclass=-1,rangebits;
+
+ vorbis_info_floor1 *info=(vorbis_info_floor1 *)_ogg_calloc(1,sizeof(*info));
+ /* read partitions */
+ info->partitions=oggpack_read(opb,5); /* only 0 to 31 legal */
+ for(j=0;j<info->partitions;j++){
+ info->partitionclass[j]=oggpack_read(opb,4); /* only 0 to 15 legal */
+ if(info->partitionclass[j]<0)goto err_out;
+ if(maxclass<info->partitionclass[j])maxclass=info->partitionclass[j];
+ }
+
+ /* read partition classes */
+ for(j=0;j<maxclass+1;j++){
+ info->class_dim[j]=oggpack_read(opb,3)+1; /* 1 to 8 */
+ info->class_subs[j]=oggpack_read(opb,2); /* 0,1,2,3 bits */
+ if(info->class_subs[j]<0)
+ goto err_out;
+ if(info->class_subs[j])info->class_book[j]=oggpack_read(opb,8);
+ if(info->class_book[j]<0 || info->class_book[j]>=ci->books)
+ goto err_out;
+ for(k=0;k<(1<<info->class_subs[j]);k++){
+ info->class_subbook[j][k]=oggpack_read(opb,8)-1;
+ if(info->class_subbook[j][k]<-1 || info->class_subbook[j][k]>=ci->books)
+ goto err_out;
+ }
+ }
+
+ /* read the post list */
+ info->mult=oggpack_read(opb,2)+1; /* only 1,2,3,4 legal now */
+ rangebits=oggpack_read(opb,4);
+ if(rangebits<0)goto err_out;
+
+ for(j=0,k=0;j<info->partitions;j++){
+ count+=info->class_dim[info->partitionclass[j]];
+ if(count>VIF_POSIT)goto err_out;
+ for(;k<count;k++){
+ int t=info->postlist[k+2]=oggpack_read(opb,rangebits);
+ if(t<0 || t>=(1<<rangebits))
+ goto err_out;
+ }
+ }
+ info->postlist[0]=0;
+ info->postlist[1]=1<<rangebits;
+
+ /* don't allow repeated values in post list as they'd result in
+ zero-length segments */
+ {
+ int *sortpointer[VIF_POSIT+2];
+ for(j=0;j<count+2;j++)sortpointer[j]=info->postlist+j;
+ qsort(sortpointer,count+2,sizeof(*sortpointer),icomp);
+
+ for(j=1;j<count+2;j++)
+ if(*sortpointer[j-1]==*sortpointer[j])goto err_out;
+ }
+
+ return(info);
+
+ err_out:
+ floor1_free_info(info);
+ return(NULL);
+}
+
+static vorbis_look_floor *floor1_look(vorbis_dsp_state *vd,vorbis_info_mode *mi,
+ vorbis_info_floor *in){
+
+ int *sortpointer[VIF_POSIT+2];
+ vorbis_info_floor1 *info=(vorbis_info_floor1 *)in;
+ vorbis_look_floor1 *look=(vorbis_look_floor1 *)_ogg_calloc(1,sizeof(*look));
+ int i,j,n=0;
+
+ look->vi=info;
+ look->n=info->postlist[1];
+
+ /* we drop each position value in-between already decoded values,
+ and use linear interpolation to predict each new value past the
+ edges. The positions are read in the order of the position
+ list... we precompute the bounding positions in the lookup. Of
+ course, the neighbors can change (if a position is declined), but
+ this is an initial mapping */
+
+ for(i=0;i<info->partitions;i++)n+=info->class_dim[info->partitionclass[i]];
+ n+=2;
+ look->posts=n;
+
+ /* also store a sorted position index */
+ for(i=0;i<n;i++)sortpointer[i]=info->postlist+i;
+ qsort(sortpointer,n,sizeof(*sortpointer),icomp);
+
+ /* points from sort order back to range number */
+ for(i=0;i<n;i++)look->forward_index[i]=sortpointer[i]-info->postlist;
+
+ /* quantize values to multiplier spec */
+ switch(info->mult){
+ case 1: /* 1024 -> 256 */
+ look->quant_q=256;
+ break;
+ case 2: /* 1024 -> 128 */
+ look->quant_q=128;
+ break;
+ case 3: /* 1024 -> 86 */
+ look->quant_q=86;
+ break;
+ case 4: /* 1024 -> 64 */
+ look->quant_q=64;
+ break;
+ }
+
+ /* discover our neighbors for decode where we don't use fit flags
+ (that would push the neighbors outward) */
+ for(i=0;i<n-2;i++){
+ int lo=0;
+ int hi=1;
+ int lx=0;
+ int hx=look->n;
+ int currentx=info->postlist[i+2];
+ for(j=0;j<i+2;j++){
+ int x=info->postlist[j];
+ if(x>lx && x<currentx){
+ lo=j;
+ lx=x;
+ }
+ if(x<hx && x>currentx){
+ hi=j;
+ hx=x;
+ }
+ }
+ look->loneighbor[i]=lo;
+ look->hineighbor[i]=hi;
+ }
+
+ return(look);
+}
+
+static int render_point(int x0,int x1,int y0,int y1,int x){
+ y0&=0x7fff; /* mask off flag */
+ y1&=0x7fff;
+
+ {
+ int dy=y1-y0;
+ int adx=x1-x0;
+ int ady=abs(dy);
+ int err=ady*(x-x0);
+
+ int off=err/adx;
+ if(dy<0)return(y0-off);
+ return(y0+off);
+ }
+}
+
+#ifdef _LOW_ACCURACY_
+# define XdB(n) ((((n)>>8)+1)>>1)
+#else
+# define XdB(n) (n)
+#endif
+
+static const ogg_int32_t FLOOR_fromdB_LOOKUP[256]={
+ XdB(0x000000e5), XdB(0x000000f4), XdB(0x00000103), XdB(0x00000114),
+ XdB(0x00000126), XdB(0x00000139), XdB(0x0000014e), XdB(0x00000163),
+ XdB(0x0000017a), XdB(0x00000193), XdB(0x000001ad), XdB(0x000001c9),
+ XdB(0x000001e7), XdB(0x00000206), XdB(0x00000228), XdB(0x0000024c),
+ XdB(0x00000272), XdB(0x0000029b), XdB(0x000002c6), XdB(0x000002f4),
+ XdB(0x00000326), XdB(0x0000035a), XdB(0x00000392), XdB(0x000003cd),
+ XdB(0x0000040c), XdB(0x00000450), XdB(0x00000497), XdB(0x000004e4),
+ XdB(0x00000535), XdB(0x0000058c), XdB(0x000005e8), XdB(0x0000064a),
+ XdB(0x000006b3), XdB(0x00000722), XdB(0x00000799), XdB(0x00000818),
+ XdB(0x0000089e), XdB(0x0000092e), XdB(0x000009c6), XdB(0x00000a69),
+ XdB(0x00000b16), XdB(0x00000bcf), XdB(0x00000c93), XdB(0x00000d64),
+ XdB(0x00000e43), XdB(0x00000f30), XdB(0x0000102d), XdB(0x0000113a),
+ XdB(0x00001258), XdB(0x0000138a), XdB(0x000014cf), XdB(0x00001629),
+ XdB(0x0000179a), XdB(0x00001922), XdB(0x00001ac4), XdB(0x00001c82),
+ XdB(0x00001e5c), XdB(0x00002055), XdB(0x0000226f), XdB(0x000024ac),
+ XdB(0x0000270e), XdB(0x00002997), XdB(0x00002c4b), XdB(0x00002f2c),
+ XdB(0x0000323d), XdB(0x00003581), XdB(0x000038fb), XdB(0x00003caf),
+ XdB(0x000040a0), XdB(0x000044d3), XdB(0x0000494c), XdB(0x00004e10),
+ XdB(0x00005323), XdB(0x0000588a), XdB(0x00005e4b), XdB(0x0000646b),
+ XdB(0x00006af2), XdB(0x000071e5), XdB(0x0000794c), XdB(0x0000812e),
+ XdB(0x00008993), XdB(0x00009283), XdB(0x00009c09), XdB(0x0000a62d),
+ XdB(0x0000b0f9), XdB(0x0000bc79), XdB(0x0000c8b9), XdB(0x0000d5c4),
+ XdB(0x0000e3a9), XdB(0x0000f274), XdB(0x00010235), XdB(0x000112fd),
+ XdB(0x000124dc), XdB(0x000137e4), XdB(0x00014c29), XdB(0x000161bf),
+ XdB(0x000178bc), XdB(0x00019137), XdB(0x0001ab4a), XdB(0x0001c70e),
+ XdB(0x0001e4a1), XdB(0x0002041f), XdB(0x000225aa), XdB(0x00024962),
+ XdB(0x00026f6d), XdB(0x000297f0), XdB(0x0002c316), XdB(0x0002f109),
+ XdB(0x000321f9), XdB(0x00035616), XdB(0x00038d97), XdB(0x0003c8b4),
+ XdB(0x000407a7), XdB(0x00044ab2), XdB(0x00049218), XdB(0x0004de23),
+ XdB(0x00052f1e), XdB(0x0005855c), XdB(0x0005e135), XdB(0x00064306),
+ XdB(0x0006ab33), XdB(0x00071a24), XdB(0x0007904b), XdB(0x00080e20),
+ XdB(0x00089422), XdB(0x000922da), XdB(0x0009bad8), XdB(0x000a5cb6),
+ XdB(0x000b091a), XdB(0x000bc0b1), XdB(0x000c8436), XdB(0x000d5471),
+ XdB(0x000e3233), XdB(0x000f1e5f), XdB(0x001019e4), XdB(0x001125c1),
+ XdB(0x00124306), XdB(0x001372d5), XdB(0x0014b663), XdB(0x00160ef7),
+ XdB(0x00177df0), XdB(0x001904c1), XdB(0x001aa4f9), XdB(0x001c603d),
+ XdB(0x001e384f), XdB(0x00202f0f), XdB(0x0022467a), XdB(0x002480b1),
+ XdB(0x0026dff7), XdB(0x002966b3), XdB(0x002c1776), XdB(0x002ef4fc),
+ XdB(0x0032022d), XdB(0x00354222), XdB(0x0038b828), XdB(0x003c67c2),
+ XdB(0x004054ae), XdB(0x004482e8), XdB(0x0048f6af), XdB(0x004db488),
+ XdB(0x0052c142), XdB(0x005821ff), XdB(0x005ddc33), XdB(0x0063f5b0),
+ XdB(0x006a74a7), XdB(0x00715faf), XdB(0x0078bdce), XdB(0x0080967f),
+ XdB(0x0088f1ba), XdB(0x0091d7f9), XdB(0x009b5247), XdB(0x00a56a41),
+ XdB(0x00b02a27), XdB(0x00bb9ce2), XdB(0x00c7ce12), XdB(0x00d4ca17),
+ XdB(0x00e29e20), XdB(0x00f15835), XdB(0x0101074b), XdB(0x0111bb4e),
+ XdB(0x01238531), XdB(0x01367704), XdB(0x014aa402), XdB(0x016020a7),
+ XdB(0x017702c3), XdB(0x018f6190), XdB(0x01a955cb), XdB(0x01c4f9cf),
+ XdB(0x01e269a8), XdB(0x0201c33b), XdB(0x0223265a), XdB(0x0246b4ea),
+ XdB(0x026c9302), XdB(0x0294e716), XdB(0x02bfda13), XdB(0x02ed9793),
+ XdB(0x031e4e09), XdB(0x03522ee4), XdB(0x03896ed0), XdB(0x03c445e2),
+ XdB(0x0402efd6), XdB(0x0445ac4b), XdB(0x048cbefc), XdB(0x04d87013),
+ XdB(0x05290c67), XdB(0x057ee5ca), XdB(0x05da5364), XdB(0x063bb204),
+ XdB(0x06a36485), XdB(0x0711d42b), XdB(0x0787710e), XdB(0x0804b299),
+ XdB(0x088a17ef), XdB(0x0918287e), XdB(0x09af747c), XdB(0x0a50957e),
+ XdB(0x0afc2f19), XdB(0x0bb2ef7f), XdB(0x0c759034), XdB(0x0d44d6ca),
+ XdB(0x0e2195bc), XdB(0x0f0cad0d), XdB(0x10070b62), XdB(0x1111aeea),
+ XdB(0x122da66c), XdB(0x135c120f), XdB(0x149e24d9), XdB(0x15f525b1),
+ XdB(0x176270e3), XdB(0x18e7794b), XdB(0x1a85c9ae), XdB(0x1c3f06d1),
+ XdB(0x1e14f07d), XdB(0x200963d7), XdB(0x221e5ccd), XdB(0x2455f870),
+ XdB(0x26b2770b), XdB(0x29363e2b), XdB(0x2be3db5c), XdB(0x2ebe06b6),
+ XdB(0x31c7a55b), XdB(0x3503ccd4), XdB(0x3875c5aa), XdB(0x3c210f44),
+ XdB(0x4009632b), XdB(0x4432b8cf), XdB(0x48a149bc), XdB(0x4d59959e),
+ XdB(0x52606733), XdB(0x57bad899), XdB(0x5d6e593a), XdB(0x6380b298),
+ XdB(0x69f80e9a), XdB(0x70dafda8), XdB(0x78307d76), XdB(0x7fffffff),
+};
+
+static void render_line(int n, int x0,int x1,int y0,int y1,ogg_int32_t *d){
+ int dy=y1-y0;
+ int adx=x1-x0;
+ int ady=abs(dy);
+ int base=dy/adx;
+ int sy=(dy<0?base-1:base+1);
+ int x=x0;
+ int y=y0;
+ int err=0;
+
+ if(n>x1)n=x1;
+ ady-=abs(base*adx);
+
+ if(x<n)
+ d[x]= MULT31_SHIFT15(d[x],FLOOR_fromdB_LOOKUP[y]);
+
+ while(++x<n){
+ err=err+ady;
+ if(err>=adx){
+ err-=adx;
+ y+=sy;
+ }else{
+ y+=base;
+ }
+ d[x]= MULT31_SHIFT15(d[x],FLOOR_fromdB_LOOKUP[y]);
+ }
+}
+
+static void *floor1_inverse1(vorbis_block *vb,vorbis_look_floor *in){
+ vorbis_look_floor1 *look=(vorbis_look_floor1 *)in;
+ vorbis_info_floor1 *info=look->vi;
+ codec_setup_info *ci=(codec_setup_info *)vb->vd->vi->codec_setup;
+
+ int i,j,k;
+ codebook *books=ci->fullbooks;
+
+ /* unpack wrapped/predicted values from stream */
+ if(oggpack_read(&vb->opb,1)==1){
+ int *fit_value=(int *)_vorbis_block_alloc(vb,(look->posts)*sizeof(*fit_value));
+
+ fit_value[0]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
+ fit_value[1]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
+
+ /* partition by partition */
+ /* partition by partition */
+ for(i=0,j=2;i<info->partitions;i++){
+ int classv=info->partitionclass[i];
+ int cdim=info->class_dim[classv];
+ int csubbits=info->class_subs[classv];
+ int csub=1<<csubbits;
+ int cval=0;
+
+ /* decode the partition's first stage cascade value */
+ if(csubbits){
+ cval=vorbis_book_decode(books+info->class_book[classv],&vb->opb);
+
+ if(cval==-1)goto eop;
+ }
+
+ for(k=0;k<cdim;k++){
+ int book=info->class_subbook[classv][cval&(csub-1)];
+ cval>>=csubbits;
+ if(book>=0){
+ if((fit_value[j+k]=vorbis_book_decode(books+book,&vb->opb))==-1)
+ goto eop;
+ }else{
+ fit_value[j+k]=0;
+ }
+ }
+ j+=cdim;
+ }
+
+ /* unwrap positive values and reconsitute via linear interpolation */
+ for(i=2;i<look->posts;i++){
+ int predicted=render_point(info->postlist[look->loneighbor[i-2]],
+ info->postlist[look->hineighbor[i-2]],
+ fit_value[look->loneighbor[i-2]],
+ fit_value[look->hineighbor[i-2]],
+ info->postlist[i]);
+ int hiroom=look->quant_q-predicted;
+ int loroom=predicted;
+ int room=(hiroom<loroom?hiroom:loroom)<<1;
+ int val=fit_value[i];
+
+ if(val){
+ if(val>=room){
+ if(hiroom>loroom){
+ val = val-loroom;
+ }else{
+ val = -1-(val-hiroom);
+ }
+ }else{
+ if(val&1){
+ val= -((val+1)>>1);
+ }else{
+ val>>=1;
+ }
+ }
+
+ fit_value[i]=(val+predicted)&0x7fff;;
+ fit_value[look->loneighbor[i-2]]&=0x7fff;
+ fit_value[look->hineighbor[i-2]]&=0x7fff;
+
+ }else{
+ fit_value[i]=predicted|0x8000;
+ }
+
+ }
+
+ return(fit_value);
+ }
+ eop:
+ return(NULL);
+}
+
+static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
+ ogg_int32_t *out){
+ vorbis_look_floor1 *look=(vorbis_look_floor1 *)in;
+ vorbis_info_floor1 *info=look->vi;
+
+ codec_setup_info *ci=(codec_setup_info *)vb->vd->vi->codec_setup;
+ int n=ci->blocksizes[vb->W]/2;
+ int j;
+
+ if(memo){
+ /* render the lines */
+ int *fit_value=(int *)memo;
+ int hx=0;
+ int lx=0;
+ int ly=fit_value[0]*info->mult;
+ /* guard lookup against out-of-rage values */
+ ly=(ly<0?0:ly>255?255:ly);
+
+ for(j=1;j<look->posts;j++){
+ int current=look->forward_index[j];
+ int hy=fit_value[current]&0x7fff;
+ if(hy==fit_value[current]){
+
+ hx=info->postlist[current];
+ hy*=info->mult;
+ /* guard lookup against out-of-rage values */
+ hy=(hy<0?0:hy>255?255:hy);
+
+
+ render_line(n,lx,hx,ly,hy,out);
+
+ lx=hx;
+ ly=hy;
+ }
+ }
+ for(j=hx;j<n;j++)out[j]*=ly; /* be certain */
+ return(1);
+ }
+ memset(out,0,sizeof(*out)*n);
+ return(0);
+}
+
+/* export hooks */
+vorbis_func_floor floor1_exportbundle={
+ &floor1_unpack,&floor1_look,&floor1_free_info,
+ &floor1_free_look,&floor1_inverse1,&floor1_inverse2
+};
+
diff --git a/media/libtremor/lib/tremor_info.c b/media/libtremor/lib/tremor_info.c
new file mode 100644
index 0000000000..3f3308ef95
--- /dev/null
+++ b/media/libtremor/lib/tremor_info.c
@@ -0,0 +1,390 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: maintain the info structure, info <-> header packets
+
+ ********************************************************************/
+
+/* general handling of the header and the vorbis_info structure (and
+ substructures) */
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <limits.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "codebook.h"
+#include "registry.h"
+#include "window.h"
+#include "misc.h"
+
+/* helpers */
+static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){
+ while(bytes--){
+ *buf++=oggpack_read(o,8);
+ }
+}
+
+void vorbis_comment_init(vorbis_comment *vc){
+ memset(vc,0,sizeof(*vc));
+}
+
+/* This is more or less the same as strncasecmp - but that doesn't exist
+ * everywhere, and this is a fairly trivial function, so we include it */
+static int tagcompare(const char *s1, const char *s2, int n){
+ int c=0;
+ while(c < n){
+ if(toupper(s1[c]) != toupper(s2[c]))
+ return !0;
+ c++;
+ }
+ return 0;
+}
+
+char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count){
+ long i;
+ int found = 0;
+ int taglen = strlen(tag)+1; /* +1 for the = we append */
+ char *fulltag = (char *)alloca(taglen+ 1);
+
+ strcpy(fulltag, tag);
+ strcat(fulltag, "=");
+
+ for(i=0;i<vc->comments;i++){
+ if(!tagcompare(vc->user_comments[i], fulltag, taglen)){
+ if(count == found)
+ /* We return a pointer to the data, not a copy */
+ return vc->user_comments[i] + taglen;
+ else
+ found++;
+ }
+ }
+ return NULL; /* didn't find anything */
+}
+
+int vorbis_comment_query_count(vorbis_comment *vc, char *tag){
+ int i,count=0;
+ int taglen = strlen(tag)+1; /* +1 for the = we append */
+ char *fulltag = (char *)alloca(taglen+1);
+ strcpy(fulltag,tag);
+ strcat(fulltag, "=");
+
+ for(i=0;i<vc->comments;i++){
+ if(!tagcompare(vc->user_comments[i], fulltag, taglen))
+ count++;
+ }
+
+ return count;
+}
+
+void vorbis_comment_clear(vorbis_comment *vc){
+ if(vc){
+ long i;
+ if(vc->user_comments){
+ for(i=0;i<vc->comments;i++)
+ if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
+ _ogg_free(vc->user_comments);
+ }
+ if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
+ if(vc->vendor)_ogg_free(vc->vendor);
+ memset(vc,0,sizeof(*vc));
+ }
+}
+
+/* blocksize 0 is guaranteed to be short, 1 is guarantted to be long.
+ They may be equal, but short will never ge greater than long */
+int vorbis_info_blocksize(vorbis_info *vi,int zo){
+ codec_setup_info *ci = (codec_setup_info *)vi->codec_setup;
+ return ci ? ci->blocksizes[zo] : -1;
+}
+
+/* used by synthesis, which has a full, alloced vi */
+void vorbis_info_init(vorbis_info *vi){
+ memset(vi,0,sizeof(*vi));
+ vi->codec_setup=(codec_setup_info *)_ogg_calloc(1,sizeof(codec_setup_info));
+}
+
+void vorbis_info_clear(vorbis_info *vi){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ int i;
+
+ if(ci){
+
+ for(i=0;i<ci->modes;i++)
+ if(ci->mode_param[i])_ogg_free(ci->mode_param[i]);
+
+ for(i=0;i<ci->maps;i++) /* unpack does the range checking */
+ if(ci->map_param[i])
+ _mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]);
+
+ for(i=0;i<ci->floors;i++) /* unpack does the range checking */
+ if(ci->floor_param[i])
+ _floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]);
+
+ for(i=0;i<ci->residues;i++) /* unpack does the range checking */
+ if(ci->residue_param[i])
+ _residue_P[ci->residue_type[i]]->free_info(ci->residue_param[i]);
+
+ for(i=0;i<ci->books;i++){
+ if(ci->book_param[i]){
+ /* knows if the book was not alloced */
+ vorbis_staticbook_destroy(ci->book_param[i]);
+ }
+ if(ci->fullbooks)
+ vorbis_book_clear(ci->fullbooks+i);
+ }
+ if(ci->fullbooks)
+ _ogg_free(ci->fullbooks);
+
+ _ogg_free(ci);
+ }
+
+ memset(vi,0,sizeof(*vi));
+}
+
+/* Header packing/unpacking ********************************************/
+
+static int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ if(!ci)return(OV_EFAULT);
+
+ vi->version=oggpack_read(opb,32);
+ if(vi->version!=0)return(OV_EVERSION);
+
+ vi->channels=oggpack_read(opb,8);
+ vi->rate=oggpack_read(opb,32);
+
+ vi->bitrate_upper=oggpack_read(opb,32);
+ vi->bitrate_nominal=oggpack_read(opb,32);
+ vi->bitrate_lower=oggpack_read(opb,32);
+
+ ci->blocksizes[0]=1<<oggpack_read(opb,4);
+ ci->blocksizes[1]=1<<oggpack_read(opb,4);
+
+ if(vi->rate<1)goto err_out;
+ if(vi->channels<1)goto err_out;
+ if(ci->blocksizes[0]<64)goto err_out;
+ if(ci->blocksizes[1]<ci->blocksizes[0])goto err_out;
+ if(ci->blocksizes[1]>8192)goto err_out;
+
+ if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
+
+ return(0);
+ err_out:
+ vorbis_info_clear(vi);
+ return(OV_EBADHEADER);
+}
+
+static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){
+ int i;
+ int vendorlen;
+ vendorlen=oggpack_read(opb,32);
+ if(vendorlen<0)goto err_out;
+ if(vendorlen>opb->storage-oggpack_bytes(opb))goto err_out;
+ vc->vendor=(char *)_ogg_calloc(vendorlen+1,1);
+ if(vc->vendor==NULL)goto err_out;
+ _v_readstring(opb,vc->vendor,vendorlen);
+ i=oggpack_read(opb,32);
+ if(i<0||i>=INT_MAX||i>(opb->storage-oggpack_bytes(opb))>>2)goto err_out;
+ vc->user_comments=(char **)_ogg_calloc(i+1,sizeof(*vc->user_comments));
+ vc->comment_lengths=(int *)_ogg_calloc(i+1, sizeof(*vc->comment_lengths));
+ if(vc->user_comments==NULL||vc->comment_lengths==NULL)goto err_out;
+ vc->comments=i;
+
+ for(i=0;i<vc->comments;i++){
+ int len=oggpack_read(opb,32);
+ if(len<0||len>opb->storage-oggpack_bytes(opb))goto err_out;
+ vc->comment_lengths[i]=len;
+ vc->user_comments[i]=(char *)_ogg_calloc(len+1,1);
+ if(vc->user_comments[i]==NULL){
+ vc->comments=i;
+ goto err_out;
+ }
+ _v_readstring(opb,vc->user_comments[i],len);
+ }
+ if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
+
+ return(0);
+ err_out:
+ vorbis_comment_clear(vc);
+ return(OV_EBADHEADER);
+}
+
+/* all of the real encoding details are here. The modes, books,
+ everything */
+static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ int i;
+ if(!ci)return(OV_EFAULT);
+
+ /* codebooks */
+ ci->books=oggpack_read(opb,8)+1;
+ if(ci->books<=0)goto err_out;
+ for(i=0;i<ci->books;i++){
+ ci->book_param[i]=vorbis_staticbook_unpack(opb);
+ if(!ci->book_param[i])goto err_out;
+ }
+
+ /* time backend settings */
+ ci->times=oggpack_read(opb,6)+1;
+ if(ci->times<=0)goto err_out;
+ for(i=0;i<ci->times;i++){
+ ci->time_type[i]=oggpack_read(opb,16);
+ if(ci->time_type[i]<0 || ci->time_type[i]>=VI_TIMEB)goto err_out;
+ /* ci->time_param[i]=_time_P[ci->time_type[i]]->unpack(vi,opb);
+ Vorbis I has no time backend */
+ /*if(!ci->time_param[i])goto err_out;*/
+ }
+
+ /* floor backend settings */
+ ci->floors=oggpack_read(opb,6)+1;
+ if(ci->floors<=0)goto err_out;
+ for(i=0;i<ci->floors;i++){
+ ci->floor_type[i]=oggpack_read(opb,16);
+ if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out;
+ ci->floor_param[i]=_floor_P[ci->floor_type[i]]->unpack(vi,opb);
+ if(!ci->floor_param[i])goto err_out;
+ }
+
+ /* residue backend settings */
+ ci->residues=oggpack_read(opb,6)+1;
+ if(ci->residues<=0)goto err_out;
+ for(i=0;i<ci->residues;i++){
+ ci->residue_type[i]=oggpack_read(opb,16);
+ if(ci->residue_type[i]<0 || ci->residue_type[i]>=VI_RESB)goto err_out;
+ ci->residue_param[i]=_residue_P[ci->residue_type[i]]->unpack(vi,opb);
+ if(!ci->residue_param[i])goto err_out;
+ }
+
+ /* map backend settings */
+ ci->maps=oggpack_read(opb,6)+1;
+ if(ci->maps<=0)goto err_out;
+ for(i=0;i<ci->maps;i++){
+ ci->map_type[i]=oggpack_read(opb,16);
+ if(ci->map_type[i]<0 || ci->map_type[i]>=VI_MAPB)goto err_out;
+ ci->map_param[i]=_mapping_P[ci->map_type[i]]->unpack(vi,opb);
+ if(!ci->map_param[i])goto err_out;
+ }
+
+ /* mode settings */
+ ci->modes=oggpack_read(opb,6)+1;
+ if(ci->modes<=0)goto err_out;
+ for(i=0;i<ci->modes;i++){
+ ci->mode_param[i]=(vorbis_info_mode *)_ogg_calloc(1,sizeof(*ci->mode_param[i]));
+ ci->mode_param[i]->blockflag=oggpack_read(opb,1);
+ ci->mode_param[i]->windowtype=oggpack_read(opb,16);
+ ci->mode_param[i]->transformtype=oggpack_read(opb,16);
+ ci->mode_param[i]->mapping=oggpack_read(opb,8);
+
+ if(ci->mode_param[i]->windowtype>=VI_WINDOWB)goto err_out;
+ if(ci->mode_param[i]->transformtype>=VI_WINDOWB)goto err_out;
+ if(ci->mode_param[i]->mapping>=ci->maps)goto err_out;
+ if(ci->mode_param[i]->mapping<0)goto err_out;
+ }
+
+ if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */
+
+ return(0);
+ err_out:
+ vorbis_info_clear(vi);
+ return(OV_EBADHEADER);
+}
+
+/* Is this packet a vorbis ID header? */
+int vorbis_synthesis_idheader(ogg_packet *op){
+ oggpack_buffer opb;
+ char buffer[6];
+
+ if(op){
+ oggpack_readinit(&opb,op->packet,op->bytes);
+
+ if(!op->b_o_s)
+ return(0); /* Not the initial packet */
+
+ if(oggpack_read(&opb,8) != 1)
+ return 0; /* not an ID header */
+
+ memset(buffer,0,6);
+ _v_readstring(&opb,buffer,6);
+ if(memcmp(buffer,"vorbis",6))
+ return 0; /* not vorbis */
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/* The Vorbis header is in three packets; the initial small packet in
+ the first page that identifies basic parameters, a second packet
+ with bitstream comments and a third packet that holds the
+ codebook. */
+
+int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op){
+ oggpack_buffer opb;
+
+ if(op){
+ oggpack_readinit(&opb,op->packet,op->bytes);
+
+ /* Which of the three types of header is this? */
+ /* Also verify header-ness, vorbis */
+ {
+ char buffer[6];
+ int packtype=oggpack_read(&opb,8);
+ memset(buffer,0,6);
+ _v_readstring(&opb,buffer,6);
+ if(memcmp(buffer,"vorbis",6)){
+ /* not a vorbis header */
+ return(OV_ENOTVORBIS);
+ }
+ switch(packtype){
+ case 0x01: /* least significant *bit* is read first */
+ if(!op->b_o_s){
+ /* Not the initial packet */
+ return(OV_EBADHEADER);
+ }
+ if(vi->rate!=0){
+ /* previously initialized info header */
+ return(OV_EBADHEADER);
+ }
+
+ return(_vorbis_unpack_info(vi,&opb));
+
+ case 0x03: /* least significant *bit* is read first */
+ if(vi->rate==0){
+ /* um... we didn't get the initial header */
+ return(OV_EBADHEADER);
+ }
+
+ return(_vorbis_unpack_comment(vc,&opb));
+
+ case 0x05: /* least significant *bit* is read first */
+ if(vi->rate==0 || vc->vendor==NULL){
+ /* um... we didn;t get the initial header or comments yet */
+ return(OV_EBADHEADER);
+ }
+
+ return(_vorbis_unpack_books(vi,&opb));
+
+ default:
+ /* Not a valid vorbis header type */
+ return(OV_EBADHEADER);
+ break;
+ }
+ }
+ }
+ return(OV_EBADHEADER);
+}
+
diff --git a/media/libtremor/lib/tremor_mapping0.c b/media/libtremor/lib/tremor_mapping0.c
new file mode 100644
index 0000000000..aa03e8543f
--- /dev/null
+++ b/media/libtremor/lib/tremor_mapping0.c
@@ -0,0 +1,328 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: channel mapping 0 implementation
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "mdct.h"
+#include "codec_internal.h"
+#include "codebook.h"
+#include "window.h"
+#include "registry.h"
+#include "misc.h"
+
+/* simplistic, wasteful way of doing this (unique lookup for each
+ mode/submapping); there should be a central repository for
+ identical lookups. That will require minor work, so I'm putting it
+ off as low priority.
+
+ Why a lookup for each backend in a given mode? Because the
+ blocksize is set by the mode, and low backend lookups may require
+ parameters from other areas of the mode/mapping */
+
+typedef struct {
+ vorbis_info_mode *mode;
+ vorbis_info_mapping0 *map;
+
+ vorbis_look_floor **floor_look;
+
+ vorbis_look_residue **residue_look;
+
+ vorbis_func_floor **floor_func;
+ vorbis_func_residue **residue_func;
+
+ int ch;
+ long lastframe; /* if a different mode is called, we need to
+ invalidate decay */
+} vorbis_look_mapping0;
+
+static void mapping0_free_info(vorbis_info_mapping *i){
+ vorbis_info_mapping0 *info=(vorbis_info_mapping0 *)i;
+ if(info){
+ memset(info,0,sizeof(*info));
+ _ogg_free(info);
+ }
+}
+
+static void mapping0_free_look(vorbis_look_mapping *look){
+ int i;
+ vorbis_look_mapping0 *l=(vorbis_look_mapping0 *)look;
+ if(l){
+
+ for(i=0;i<l->map->submaps;i++){
+ l->floor_func[i]->free_look(l->floor_look[i]);
+ l->residue_func[i]->free_look(l->residue_look[i]);
+ }
+
+ _ogg_free(l->floor_func);
+ _ogg_free(l->residue_func);
+ _ogg_free(l->floor_look);
+ _ogg_free(l->residue_look);
+ memset(l,0,sizeof(*l));
+ _ogg_free(l);
+ }
+}
+
+static vorbis_look_mapping *mapping0_look(vorbis_dsp_state *vd,vorbis_info_mode *vm,
+ vorbis_info_mapping *m){
+ int i;
+ vorbis_info *vi=vd->vi;
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ vorbis_look_mapping0 *look=(vorbis_look_mapping0 *)_ogg_calloc(1,sizeof(*look));
+ vorbis_info_mapping0 *info=look->map=(vorbis_info_mapping0 *)m;
+ look->mode=vm;
+
+ look->floor_look=(vorbis_look_floor **)_ogg_calloc(info->submaps,sizeof(*look->floor_look));
+
+ look->residue_look=(vorbis_look_residue **)_ogg_calloc(info->submaps,sizeof(*look->residue_look));
+
+ look->floor_func=(vorbis_func_floor **)_ogg_calloc(info->submaps,sizeof(*look->floor_func));
+ look->residue_func=(vorbis_func_residue **)_ogg_calloc(info->submaps,sizeof(*look->residue_func));
+
+ for(i=0;i<info->submaps;i++){
+ int floornum=info->floorsubmap[i];
+ int resnum=info->residuesubmap[i];
+
+ look->floor_func[i]=_floor_P[ci->floor_type[floornum]];
+ look->floor_look[i]=look->floor_func[i]->
+ look(vd,vm,ci->floor_param[floornum]);
+ look->residue_func[i]=_residue_P[ci->residue_type[resnum]];
+ look->residue_look[i]=look->residue_func[i]->
+ look(vd,vm,ci->residue_param[resnum]);
+
+ }
+
+ look->ch=vi->channels;
+
+ return(look);
+}
+
+static int ilog(unsigned int v){
+ int ret=0;
+ if(v)--v;
+ while(v){
+ ret++;
+ v>>=1;
+ }
+ return(ret);
+}
+
+/* also responsible for range checking */
+static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb){
+ int i,b;
+ vorbis_info_mapping0 *info=(vorbis_info_mapping0 *)_ogg_calloc(1,sizeof(*info));
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ memset(info,0,sizeof(*info));
+
+ b=oggpack_read(opb,1);
+ if(b<0)goto err_out;
+ if(b){
+ info->submaps=oggpack_read(opb,4)+1;
+ if(info->submaps<=0)goto err_out;
+ }else
+ info->submaps=1;
+
+ b=oggpack_read(opb,1);
+ if(b<0)goto err_out;
+ if(b){
+ info->coupling_steps=oggpack_read(opb,8)+1;
+ if(info->coupling_steps<=0)goto err_out;
+ for(i=0;i<info->coupling_steps;i++){
+ int testM=info->coupling_mag[i]=oggpack_read(opb,ilog(vi->channels));
+ int testA=info->coupling_ang[i]=oggpack_read(opb,ilog(vi->channels));
+
+ if(testM<0 ||
+ testA<0 ||
+ testM==testA ||
+ testM>=vi->channels ||
+ testA>=vi->channels) goto err_out;
+ }
+
+ }
+
+ if(oggpack_read(opb,2)!=0)goto err_out; /* 2,3:reserved */
+
+ if(info->submaps>1){
+ for(i=0;i<vi->channels;i++){
+ info->chmuxlist[i]=oggpack_read(opb,4);
+ if(info->chmuxlist[i]>=info->submaps || info->chmuxlist[i]<0)goto err_out;
+ }
+ }
+ for(i=0;i<info->submaps;i++){
+ int temp=oggpack_read(opb,8);
+ if(temp>=ci->times)goto err_out;
+ info->floorsubmap[i]=oggpack_read(opb,8);
+ if(info->floorsubmap[i]>=ci->floors || info->floorsubmap[i]<0)goto err_out;
+ info->residuesubmap[i]=oggpack_read(opb,8);
+ if(info->residuesubmap[i]>=ci->residues || info->residuesubmap[i]<0)
+ goto err_out;
+ }
+
+ return info;
+
+ err_out:
+ mapping0_free_info(info);
+ return(NULL);
+}
+
+static int seq=0;
+static int mapping0_inverse(vorbis_block *vb,vorbis_look_mapping *l){
+ vorbis_dsp_state *vd=vb->vd;
+ vorbis_info *vi=vd->vi;
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ private_state *b=(private_state *)vd->backend_state;
+ vorbis_look_mapping0 *look=(vorbis_look_mapping0 *)l;
+ vorbis_info_mapping0 *info=look->map;
+
+ int i,j;
+ long n=vb->pcmend=ci->blocksizes[vb->W];
+
+ ogg_int32_t **pcmbundle=(ogg_int32_t **)alloca(sizeof(*pcmbundle)*vi->channels);
+ int *zerobundle=(int *)alloca(sizeof(*zerobundle)*vi->channels);
+
+ int *nonzero =(int *)alloca(sizeof(*nonzero)*vi->channels);
+ void **floormemo=(void **)alloca(sizeof(*floormemo)*vi->channels);
+
+ /* time domain information decode (note that applying the
+ information would have to happen later; we'll probably add a
+ function entry to the harness for that later */
+ /* NOT IMPLEMENTED */
+
+ /* recover the spectral envelope; store it in the PCM vector for now */
+ for(i=0;i<vi->channels;i++){
+ int submap=info->chmuxlist[i];
+ floormemo[i]=look->floor_func[submap]->
+ inverse1(vb,look->floor_look[submap]);
+ if(floormemo[i])
+ nonzero[i]=1;
+ else
+ nonzero[i]=0;
+ memset(vb->pcm[i],0,sizeof(*vb->pcm[i])*n/2);
+ }
+
+ /* channel coupling can 'dirty' the nonzero listing */
+ for(i=0;i<info->coupling_steps;i++){
+ if(nonzero[info->coupling_mag[i]] ||
+ nonzero[info->coupling_ang[i]]){
+ nonzero[info->coupling_mag[i]]=1;
+ nonzero[info->coupling_ang[i]]=1;
+ }
+ }
+
+ /* recover the residue into our working vectors */
+ for(i=0;i<info->submaps;i++){
+ int ch_in_bundle=0;
+ for(j=0;j<vi->channels;j++){
+ if(info->chmuxlist[j]==i){
+ if(nonzero[j])
+ zerobundle[ch_in_bundle]=1;
+ else
+ zerobundle[ch_in_bundle]=0;
+ pcmbundle[ch_in_bundle++]=vb->pcm[j];
+ }
+ }
+
+ look->residue_func[i]->inverse(vb,look->residue_look[i],
+ pcmbundle,zerobundle,ch_in_bundle);
+ }
+
+ //for(j=0;j<vi->channels;j++)
+ //_analysis_output("coupled",seq+j,vb->pcm[j],-8,n/2,0,0);
+
+
+ /* channel coupling */
+ for(i=info->coupling_steps-1;i>=0;i--){
+ ogg_int32_t *pcmM=vb->pcm[info->coupling_mag[i]];
+ ogg_int32_t *pcmA=vb->pcm[info->coupling_ang[i]];
+
+ for(j=0;j<n/2;j++){
+ ogg_int32_t mag=pcmM[j];
+ ogg_int32_t ang=pcmA[j];
+
+ if(mag>0)
+ if(ang>0){
+ pcmM[j]=mag;
+ pcmA[j]=mag-ang;
+ }else{
+ pcmA[j]=mag;
+ pcmM[j]=mag+ang;
+ }
+ else
+ if(ang>0){
+ pcmM[j]=mag;
+ pcmA[j]=mag+ang;
+ }else{
+ pcmA[j]=mag;
+ pcmM[j]=mag-ang;
+ }
+ }
+ }
+
+ //for(j=0;j<vi->channels;j++)
+ //_analysis_output("residue",seq+j,vb->pcm[j],-8,n/2,0,0);
+
+ /* compute and apply spectral envelope */
+ for(i=0;i<vi->channels;i++){
+ ogg_int32_t *pcm=vb->pcm[i];
+ int submap=info->chmuxlist[i];
+ look->floor_func[submap]->
+ inverse2(vb,look->floor_look[submap],floormemo[i],pcm);
+ }
+
+ //for(j=0;j<vi->channels;j++)
+ //_analysis_output("mdct",seq+j,vb->pcm[j],-24,n/2,0,1);
+
+ /* transform the PCM data; takes PCM vector, vb; modifies PCM vector */
+ /* only MDCT right now.... */
+ for(i=0;i<vi->channels;i++){
+ ogg_int32_t *pcm=vb->pcm[i];
+ mdct_backward(n,pcm,pcm);
+ }
+
+ //for(j=0;j<vi->channels;j++)
+ //_analysis_output("imdct",seq+j,vb->pcm[j],-24,n,0,0);
+
+ /* window the data */
+ for(i=0;i<vi->channels;i++){
+ ogg_int32_t *pcm=vb->pcm[i];
+ if(nonzero[i])
+ _vorbis_apply_window(pcm,b->window,ci->blocksizes,vb->lW,vb->W,vb->nW);
+ else
+ for(j=0;j<n;j++)
+ pcm[j]=0;
+
+ }
+
+ //for(j=0;j<vi->channels;j++)
+ //_analysis_output("window",seq+j,vb->pcm[j],-24,n,0,0);
+
+ seq+=vi->channels;
+ /* all done! */
+ return(0);
+}
+
+/* export hooks */
+vorbis_func_mapping mapping0_exportbundle={
+ &mapping0_unpack,
+ &mapping0_look,
+ &mapping0_free_info,
+ &mapping0_free_look,
+ &mapping0_inverse
+};
diff --git a/media/libtremor/lib/tremor_mdct.c b/media/libtremor/lib/tremor_mdct.c
new file mode 100644
index 0000000000..4f39e7d531
--- /dev/null
+++ b/media/libtremor/lib/tremor_mdct.c
@@ -0,0 +1,510 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: normalized modified discrete cosine transform
+ power of two length transform only [64 <= n ]
+ last mod: $Id: mdct.c,v 1.9 2002/10/16 09:17:39 xiphmont Exp $
+
+ Original algorithm adapted long ago from _The use of multirate filter
+ banks for coding of high quality digital audio_, by T. Sporer,
+ K. Brandenburg and B. Edler, collection of the European Signal
+ Processing Conference (EUSIPCO), Amsterdam, June 1992, Vol.1, pp
+ 211-214
+
+ The below code implements an algorithm that no longer looks much like
+ that presented in the paper, but the basic structure remains if you
+ dig deep enough to see it.
+
+ This module DOES NOT INCLUDE code to generate/apply the window
+ function. Everybody has their own weird favorite including me... I
+ happen to like the properties of y=sin(.5PI*sin^2(x)), but others may
+ vehemently disagree.
+
+ ********************************************************************/
+
+#include "ivorbiscodec.h"
+#include "codebook.h"
+#include "misc.h"
+#include "mdct.h"
+#include "mdct_lookup.h"
+
+
+/* 8 point butterfly (in place) */
+STIN void mdct_butterfly_8(DATA_TYPE *x){
+
+ REG_TYPE r0 = x[4] + x[0];
+ REG_TYPE r1 = x[4] - x[0];
+ REG_TYPE r2 = x[5] + x[1];
+ REG_TYPE r3 = x[5] - x[1];
+ REG_TYPE r4 = x[6] + x[2];
+ REG_TYPE r5 = x[6] - x[2];
+ REG_TYPE r6 = x[7] + x[3];
+ REG_TYPE r7 = x[7] - x[3];
+
+ x[0] = r5 + r3;
+ x[1] = r7 - r1;
+ x[2] = r5 - r3;
+ x[3] = r7 + r1;
+ x[4] = r4 - r0;
+ x[5] = r6 - r2;
+ x[6] = r4 + r0;
+ x[7] = r6 + r2;
+ MB();
+}
+
+/* 16 point butterfly (in place, 4 register) */
+STIN void mdct_butterfly_16(DATA_TYPE *x){
+
+ REG_TYPE r0, r1;
+
+ r0 = x[ 0] - x[ 8]; x[ 8] += x[ 0];
+ r1 = x[ 1] - x[ 9]; x[ 9] += x[ 1];
+ x[ 0] = MULT31((r0 + r1) , cPI2_8);
+ x[ 1] = MULT31((r1 - r0) , cPI2_8);
+ MB();
+
+ r0 = x[10] - x[ 2]; x[10] += x[ 2];
+ r1 = x[ 3] - x[11]; x[11] += x[ 3];
+ x[ 2] = r1; x[ 3] = r0;
+ MB();
+
+ r0 = x[12] - x[ 4]; x[12] += x[ 4];
+ r1 = x[13] - x[ 5]; x[13] += x[ 5];
+ x[ 4] = MULT31((r0 - r1) , cPI2_8);
+ x[ 5] = MULT31((r0 + r1) , cPI2_8);
+ MB();
+
+ r0 = x[14] - x[ 6]; x[14] += x[ 6];
+ r1 = x[15] - x[ 7]; x[15] += x[ 7];
+ x[ 6] = r0; x[ 7] = r1;
+ MB();
+
+ mdct_butterfly_8(x);
+ mdct_butterfly_8(x+8);
+}
+
+/* 32 point butterfly (in place, 4 register) */
+STIN void mdct_butterfly_32(DATA_TYPE *x){
+
+ REG_TYPE r0, r1;
+
+ r0 = x[30] - x[14]; x[30] += x[14];
+ r1 = x[31] - x[15]; x[31] += x[15];
+ x[14] = r0; x[15] = r1;
+ MB();
+
+ r0 = x[28] - x[12]; x[28] += x[12];
+ r1 = x[29] - x[13]; x[29] += x[13];
+ XNPROD31( r0, r1, cPI1_8, cPI3_8, &x[12], &x[13] );
+ MB();
+
+ r0 = x[26] - x[10]; x[26] += x[10];
+ r1 = x[27] - x[11]; x[27] += x[11];
+ x[10] = MULT31((r0 - r1) , cPI2_8);
+ x[11] = MULT31((r0 + r1) , cPI2_8);
+ MB();
+
+ r0 = x[24] - x[ 8]; x[24] += x[ 8];
+ r1 = x[25] - x[ 9]; x[25] += x[ 9];
+ XNPROD31( r0, r1, cPI3_8, cPI1_8, &x[ 8], &x[ 9] );
+ MB();
+
+ r0 = x[22] - x[ 6]; x[22] += x[ 6];
+ r1 = x[ 7] - x[23]; x[23] += x[ 7];
+ x[ 6] = r1; x[ 7] = r0;
+ MB();
+
+ r0 = x[ 4] - x[20]; x[20] += x[ 4];
+ r1 = x[ 5] - x[21]; x[21] += x[ 5];
+ XPROD31 ( r0, r1, cPI3_8, cPI1_8, &x[ 4], &x[ 5] );
+ MB();
+
+ r0 = x[ 2] - x[18]; x[18] += x[ 2];
+ r1 = x[ 3] - x[19]; x[19] += x[ 3];
+ x[ 2] = MULT31((r1 + r0) , cPI2_8);
+ x[ 3] = MULT31((r1 - r0) , cPI2_8);
+ MB();
+
+ r0 = x[ 0] - x[16]; x[16] += x[ 0];
+ r1 = x[ 1] - x[17]; x[17] += x[ 1];
+ XPROD31 ( r0, r1, cPI1_8, cPI3_8, &x[ 0], &x[ 1] );
+ MB();
+
+ mdct_butterfly_16(x);
+ mdct_butterfly_16(x+16);
+}
+
+/* N/stage point generic N stage butterfly (in place, 2 register) */
+STIN void mdct_butterfly_generic(DATA_TYPE *x,int points,int step){
+
+ LOOKUP_T *T = sincos_lookup0;
+ DATA_TYPE *x1 = x + points - 8;
+ DATA_TYPE *x2 = x + (points>>1) - 8;
+ REG_TYPE r0;
+ REG_TYPE r1;
+
+ do{
+ r0 = x1[6] - x2[6]; x1[6] += x2[6];
+ r1 = x2[7] - x1[7]; x1[7] += x2[7];
+ XPROD31( r1, r0, T[0], T[1], &x2[6], &x2[7] ); T+=step;
+
+ r0 = x1[4] - x2[4]; x1[4] += x2[4];
+ r1 = x2[5] - x1[5]; x1[5] += x2[5];
+ XPROD31( r1, r0, T[0], T[1], &x2[4], &x2[5] ); T+=step;
+
+ r0 = x1[2] - x2[2]; x1[2] += x2[2];
+ r1 = x2[3] - x1[3]; x1[3] += x2[3];
+ XPROD31( r1, r0, T[0], T[1], &x2[2], &x2[3] ); T+=step;
+
+ r0 = x1[0] - x2[0]; x1[0] += x2[0];
+ r1 = x2[1] - x1[1]; x1[1] += x2[1];
+ XPROD31( r1, r0, T[0], T[1], &x2[0], &x2[1] ); T+=step;
+
+ x1-=8; x2-=8;
+ }while(T<sincos_lookup0+1024);
+ do{
+ r0 = x1[6] - x2[6]; x1[6] += x2[6];
+ r1 = x1[7] - x2[7]; x1[7] += x2[7];
+ XNPROD31( r0, r1, T[0], T[1], &x2[6], &x2[7] ); T-=step;
+
+ r0 = x1[4] - x2[4]; x1[4] += x2[4];
+ r1 = x1[5] - x2[5]; x1[5] += x2[5];
+ XNPROD31( r0, r1, T[0], T[1], &x2[4], &x2[5] ); T-=step;
+
+ r0 = x1[2] - x2[2]; x1[2] += x2[2];
+ r1 = x1[3] - x2[3]; x1[3] += x2[3];
+ XNPROD31( r0, r1, T[0], T[1], &x2[2], &x2[3] ); T-=step;
+
+ r0 = x1[0] - x2[0]; x1[0] += x2[0];
+ r1 = x1[1] - x2[1]; x1[1] += x2[1];
+ XNPROD31( r0, r1, T[0], T[1], &x2[0], &x2[1] ); T-=step;
+
+ x1-=8; x2-=8;
+ }while(T>sincos_lookup0);
+ do{
+ r0 = x2[6] - x1[6]; x1[6] += x2[6];
+ r1 = x2[7] - x1[7]; x1[7] += x2[7];
+ XPROD31( r0, r1, T[0], T[1], &x2[6], &x2[7] ); T+=step;
+
+ r0 = x2[4] - x1[4]; x1[4] += x2[4];
+ r1 = x2[5] - x1[5]; x1[5] += x2[5];
+ XPROD31( r0, r1, T[0], T[1], &x2[4], &x2[5] ); T+=step;
+
+ r0 = x2[2] - x1[2]; x1[2] += x2[2];
+ r1 = x2[3] - x1[3]; x1[3] += x2[3];
+ XPROD31( r0, r1, T[0], T[1], &x2[2], &x2[3] ); T+=step;
+
+ r0 = x2[0] - x1[0]; x1[0] += x2[0];
+ r1 = x2[1] - x1[1]; x1[1] += x2[1];
+ XPROD31( r0, r1, T[0], T[1], &x2[0], &x2[1] ); T+=step;
+
+ x1-=8; x2-=8;
+ }while(T<sincos_lookup0+1024);
+ do{
+ r0 = x1[6] - x2[6]; x1[6] += x2[6];
+ r1 = x2[7] - x1[7]; x1[7] += x2[7];
+ XNPROD31( r1, r0, T[0], T[1], &x2[6], &x2[7] ); T-=step;
+
+ r0 = x1[4] - x2[4]; x1[4] += x2[4];
+ r1 = x2[5] - x1[5]; x1[5] += x2[5];
+ XNPROD31( r1, r0, T[0], T[1], &x2[4], &x2[5] ); T-=step;
+
+ r0 = x1[2] - x2[2]; x1[2] += x2[2];
+ r1 = x2[3] - x1[3]; x1[3] += x2[3];
+ XNPROD31( r1, r0, T[0], T[1], &x2[2], &x2[3] ); T-=step;
+
+ r0 = x1[0] - x2[0]; x1[0] += x2[0];
+ r1 = x2[1] - x1[1]; x1[1] += x2[1];
+ XNPROD31( r1, r0, T[0], T[1], &x2[0], &x2[1] ); T-=step;
+
+ x1-=8; x2-=8;
+ }while(T>sincos_lookup0);
+}
+
+STIN void mdct_butterflies(DATA_TYPE *x,int points,int shift){
+
+ int stages=8-shift;
+ int i,j;
+
+ for(i=0;--stages>0;i++){
+ for(j=0;j<(1<<i);j++)
+ mdct_butterfly_generic(x+(points>>i)*j,points>>i,4<<(i+shift));
+ }
+
+ for(j=0;j<points;j+=32)
+ mdct_butterfly_32(x+j);
+
+}
+
+static unsigned char bitrev[16]={0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15};
+
+STIN int bitrev12(int x){
+ return bitrev[x>>8]|(bitrev[(x&0x0f0)>>4]<<4)|(((int)bitrev[x&0x00f])<<8);
+}
+
+STIN void mdct_bitreverse(DATA_TYPE *x,int n,int step,int shift){
+
+ int bit = 0;
+ DATA_TYPE *w0 = x;
+ DATA_TYPE *w1 = x = w0+(n>>1);
+ LOOKUP_T *T = (step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1;
+ LOOKUP_T *Ttop = T+1024;
+ DATA_TYPE r2;
+
+ do{
+ DATA_TYPE r3 = bitrev12(bit++);
+ DATA_TYPE *x0 = x + ((r3 ^ 0xfff)>>shift) -1;
+ DATA_TYPE *x1 = x + (r3>>shift);
+
+ REG_TYPE r0 = x0[0] + x1[0];
+ REG_TYPE r1 = x1[1] - x0[1];
+
+ XPROD32( r0, r1, T[1], T[0], &r2, &r3 ); T+=step;
+
+ w1 -= 4;
+
+ r0 = (x0[1] + x1[1])>>1;
+ r1 = (x0[0] - x1[0])>>1;
+ w0[0] = r0 + r2;
+ w0[1] = r1 + r3;
+ w1[2] = r0 - r2;
+ w1[3] = r3 - r1;
+
+ r3 = bitrev12(bit++);
+ x0 = x + ((r3 ^ 0xfff)>>shift) -1;
+ x1 = x + (r3>>shift);
+
+ r0 = x0[0] + x1[0];
+ r1 = x1[1] - x0[1];
+
+ XPROD32( r0, r1, T[1], T[0], &r2, &r3 ); T+=step;
+
+ r0 = (x0[1] + x1[1])>>1;
+ r1 = (x0[0] - x1[0])>>1;
+ w0[2] = r0 + r2;
+ w0[3] = r1 + r3;
+ w1[0] = r0 - r2;
+ w1[1] = r3 - r1;
+
+ w0 += 4;
+ }while(T<Ttop);
+ do{
+ DATA_TYPE r3 = bitrev12(bit++);
+ DATA_TYPE *x0 = x + ((r3 ^ 0xfff)>>shift) -1;
+ DATA_TYPE *x1 = x + (r3>>shift);
+
+ REG_TYPE r0 = x0[0] + x1[0];
+ REG_TYPE r1 = x1[1] - x0[1];
+
+ T-=step; XPROD32( r0, r1, T[0], T[1], &r2, &r3 );
+
+ w1 -= 4;
+
+ r0 = (x0[1] + x1[1])>>1;
+ r1 = (x0[0] - x1[0])>>1;
+ w0[0] = r0 + r2;
+ w0[1] = r1 + r3;
+ w1[2] = r0 - r2;
+ w1[3] = r3 - r1;
+
+ r3 = bitrev12(bit++);
+ x0 = x + ((r3 ^ 0xfff)>>shift) -1;
+ x1 = x + (r3>>shift);
+
+ r0 = x0[0] + x1[0];
+ r1 = x1[1] - x0[1];
+
+ T-=step; XPROD32( r0, r1, T[0], T[1], &r2, &r3 );
+
+ r0 = (x0[1] + x1[1])>>1;
+ r1 = (x0[0] - x1[0])>>1;
+ w0[2] = r0 + r2;
+ w0[3] = r1 + r3;
+ w1[0] = r0 - r2;
+ w1[1] = r3 - r1;
+
+ w0 += 4;
+ }while(w0<w1);
+}
+
+void mdct_backward(int n, DATA_TYPE *in, DATA_TYPE *out){
+ int n2=n>>1;
+ int n4=n>>2;
+ DATA_TYPE *iX;
+ DATA_TYPE *oX;
+ LOOKUP_T *T;
+ LOOKUP_T *V;
+ int shift;
+ int step;
+
+ for (shift=6;!(n&(1<<shift));shift++);
+ shift=13-shift;
+ step=2<<shift;
+
+ /* rotate */
+
+ iX = in+n2-7;
+ oX = out+n2+n4;
+ T = sincos_lookup0;
+
+ do{
+ oX-=4;
+ XPROD31( iX[4], iX[6], T[0], T[1], &oX[2], &oX[3] ); T+=step;
+ XPROD31( iX[0], iX[2], T[0], T[1], &oX[0], &oX[1] ); T+=step;
+ iX-=8;
+ }while(iX>=in+n4);
+ do{
+ oX-=4;
+ XPROD31( iX[4], iX[6], T[1], T[0], &oX[2], &oX[3] ); T-=step;
+ XPROD31( iX[0], iX[2], T[1], T[0], &oX[0], &oX[1] ); T-=step;
+ iX-=8;
+ }while(iX>=in);
+
+ iX = in+n2-8;
+ oX = out+n2+n4;
+ T = sincos_lookup0;
+
+ do{
+ T+=step; XNPROD31( iX[6], iX[4], T[0], T[1], &oX[0], &oX[1] );
+ T+=step; XNPROD31( iX[2], iX[0], T[0], T[1], &oX[2], &oX[3] );
+ iX-=8;
+ oX+=4;
+ }while(iX>=in+n4);
+ do{
+ T-=step; XNPROD31( iX[6], iX[4], T[1], T[0], &oX[0], &oX[1] );
+ T-=step; XNPROD31( iX[2], iX[0], T[1], T[0], &oX[2], &oX[3] );
+ iX-=8;
+ oX+=4;
+ }while(iX>=in);
+
+ mdct_butterflies(out+n2,n2,shift);
+ mdct_bitreverse(out,n,step,shift);
+
+ /* rotate + window */
+
+ step>>=2;
+ {
+ DATA_TYPE *oX1=out+n2+n4;
+ DATA_TYPE *oX2=out+n2+n4;
+ DATA_TYPE *iX =out;
+
+ switch(step) {
+ default: {
+ T=(step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1;
+ do{
+ oX1-=4;
+ XPROD31( iX[0], -iX[1], T[0], T[1], &oX1[3], &oX2[0] ); T+=step;
+ XPROD31( iX[2], -iX[3], T[0], T[1], &oX1[2], &oX2[1] ); T+=step;
+ XPROD31( iX[4], -iX[5], T[0], T[1], &oX1[1], &oX2[2] ); T+=step;
+ XPROD31( iX[6], -iX[7], T[0], T[1], &oX1[0], &oX2[3] ); T+=step;
+ oX2+=4;
+ iX+=8;
+ }while(iX<oX1);
+ break;
+ }
+
+ case 1: {
+ /* linear interpolation between table values: offset=0.5, step=1 */
+ REG_TYPE t0,t1,v0,v1;
+ T = sincos_lookup0;
+ V = sincos_lookup1;
+ t0 = (*T++)>>1;
+ t1 = (*T++)>>1;
+ do{
+ oX1-=4;
+
+ t0 += (v0 = (*V++)>>1);
+ t1 += (v1 = (*V++)>>1);
+ XPROD31( iX[0], -iX[1], t0, t1, &oX1[3], &oX2[0] );
+ v0 += (t0 = (*T++)>>1);
+ v1 += (t1 = (*T++)>>1);
+ XPROD31( iX[2], -iX[3], v0, v1, &oX1[2], &oX2[1] );
+ t0 += (v0 = (*V++)>>1);
+ t1 += (v1 = (*V++)>>1);
+ XPROD31( iX[4], -iX[5], t0, t1, &oX1[1], &oX2[2] );
+ v0 += (t0 = (*T++)>>1);
+ v1 += (t1 = (*T++)>>1);
+ XPROD31( iX[6], -iX[7], v0, v1, &oX1[0], &oX2[3] );
+
+ oX2+=4;
+ iX+=8;
+ }while(iX<oX1);
+ break;
+ }
+
+ case 0: {
+ /* linear interpolation between table values: offset=0.25, step=0.5 */
+ REG_TYPE t0,t1,v0,v1,q0,q1;
+ T = sincos_lookup0;
+ V = sincos_lookup1;
+ t0 = *T++;
+ t1 = *T++;
+ do{
+ oX1-=4;
+
+ v0 = *V++;
+ v1 = *V++;
+ t0 += (q0 = (v0-t0)>>2);
+ t1 += (q1 = (v1-t1)>>2);
+ XPROD31( iX[0], -iX[1], t0, t1, &oX1[3], &oX2[0] );
+ t0 = v0-q0;
+ t1 = v1-q1;
+ XPROD31( iX[2], -iX[3], t0, t1, &oX1[2], &oX2[1] );
+
+ t0 = *T++;
+ t1 = *T++;
+ v0 += (q0 = (t0-v0)>>2);
+ v1 += (q1 = (t1-v1)>>2);
+ XPROD31( iX[4], -iX[5], v0, v1, &oX1[1], &oX2[2] );
+ v0 = t0-q0;
+ v1 = t1-q1;
+ XPROD31( iX[6], -iX[7], v0, v1, &oX1[0], &oX2[3] );
+
+ oX2+=4;
+ iX+=8;
+ }while(iX<oX1);
+ break;
+ }
+ }
+
+ iX=out+n2+n4;
+ oX1=out+n4;
+ oX2=oX1;
+
+ do{
+ oX1-=4;
+ iX-=4;
+
+ oX2[0] = -(oX1[3] = iX[3]);
+ oX2[1] = -(oX1[2] = iX[2]);
+ oX2[2] = -(oX1[1] = iX[1]);
+ oX2[3] = -(oX1[0] = iX[0]);
+
+ oX2+=4;
+ }while(oX2<iX);
+
+ iX=out+n2+n4;
+ oX1=out+n2+n4;
+ oX2=out+n2;
+
+ do{
+ oX1-=4;
+ oX1[0]= iX[3];
+ oX1[1]= iX[2];
+ oX1[2]= iX[1];
+ oX1[3]= iX[0];
+ iX+=4;
+ }while(oX1>oX2);
+ }
+}
+
diff --git a/media/libtremor/lib/tremor_registry.c b/media/libtremor/lib/tremor_registry.c
new file mode 100644
index 0000000000..c0b5fec0cc
--- /dev/null
+++ b/media/libtremor/lib/tremor_registry.c
@@ -0,0 +1,50 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: registry for floor, res backends and channel mappings
+
+ ********************************************************************/
+
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "registry.h"
+#include "misc.h"
+
+
+/* seems like major overkill now; the backend numbers will grow into
+ the infrastructure soon enough */
+
+extern vorbis_func_floor floor0_exportbundle;
+extern vorbis_func_floor floor1_exportbundle;
+extern vorbis_func_residue residue0_exportbundle;
+extern vorbis_func_residue residue1_exportbundle;
+extern vorbis_func_residue residue2_exportbundle;
+extern vorbis_func_mapping mapping0_exportbundle;
+
+vorbis_func_floor *_floor_P[]={
+ &floor0_exportbundle,
+ &floor1_exportbundle,
+};
+
+vorbis_func_residue *_residue_P[]={
+ &residue0_exportbundle,
+ &residue1_exportbundle,
+ &residue2_exportbundle,
+};
+
+vorbis_func_mapping *_mapping_P[]={
+ &mapping0_exportbundle,
+};
+
+
+
diff --git a/media/libtremor/lib/tremor_res012.c b/media/libtremor/lib/tremor_res012.c
new file mode 100644
index 0000000000..f036caaa48
--- /dev/null
+++ b/media/libtremor/lib/tremor_res012.c
@@ -0,0 +1,374 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: residue backend 0, 1 and 2 implementation
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "registry.h"
+#include "codebook.h"
+#include "misc.h"
+#include "os.h"
+#include "block.h"
+
+typedef struct {
+ vorbis_info_residue0 *info;
+ int map;
+
+ int parts;
+ int stages;
+ codebook *fullbooks;
+ codebook *phrasebook;
+ codebook ***partbooks;
+
+ int partvals;
+ int **decodemap;
+
+} vorbis_look_residue0;
+
+void res0_free_info(vorbis_info_residue *i){
+ vorbis_info_residue0 *info=(vorbis_info_residue0 *)i;
+ if(info){
+ memset(info,0,sizeof(*info));
+ _ogg_free(info);
+ }
+}
+
+void res0_free_look(vorbis_look_residue *i){
+ int j;
+ if(i){
+
+ vorbis_look_residue0 *look=(vorbis_look_residue0 *)i;
+
+ for(j=0;j<look->parts;j++)
+ if(look->partbooks[j])_ogg_free(look->partbooks[j]);
+ _ogg_free(look->partbooks);
+ for(j=0;j<look->partvals;j++)
+ _ogg_free(look->decodemap[j]);
+ _ogg_free(look->decodemap);
+
+ memset(look,0,sizeof(*look));
+ _ogg_free(look);
+ }
+}
+
+static int ilog(unsigned int v){
+ int ret=0;
+ while(v){
+ ret++;
+ v>>=1;
+ }
+ return(ret);
+}
+
+static int icount(unsigned int v){
+ int ret=0;
+ while(v){
+ ret+=v&1;
+ v>>=1;
+ }
+ return(ret);
+}
+
+/* vorbis_info is for range checking */
+vorbis_info_residue *res0_unpack(vorbis_info *vi,oggpack_buffer *opb){
+ int j,acc=0;
+ vorbis_info_residue0 *info=(vorbis_info_residue0 *)_ogg_calloc(1,sizeof(*info));
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+
+ info->begin=oggpack_read(opb,24);
+ info->end=oggpack_read(opb,24);
+ info->grouping=oggpack_read(opb,24)+1;
+ info->partitions=oggpack_read(opb,6)+1;
+ info->groupbook=oggpack_read(opb,8);
+
+ /* check for premature EOP */
+ if(info->groupbook<0)goto errout;
+
+ for(j=0;j<info->partitions;j++){
+ int cascade=oggpack_read(opb,3);
+ int cflag=oggpack_read(opb,1);
+ if(cflag<0) goto errout;
+ if(cflag){
+ int c=oggpack_read(opb,5);
+ if(c<0) goto errout;
+ cascade|=(c<<3);
+ }
+ info->secondstages[j]=cascade;
+
+ acc+=icount(cascade);
+ }
+ for(j=0;j<acc;j++){
+ int book=oggpack_read(opb,8);
+ if(book<0) goto errout;
+ info->booklist[j]=book;
+ }
+
+ if(info->groupbook>=ci->books)goto errout;
+ for(j=0;j<acc;j++){
+ if(info->booklist[j]>=ci->books)goto errout;
+ if(ci->book_param[info->booklist[j]]->maptype==0)goto errout;
+ }
+
+ /* verify the phrasebook is not specifying an impossible or
+ inconsistent partitioning scheme. */
+ /* modify the phrasebook ranging check from r16327; an early beta
+ encoder had a bug where it used an oversized phrasebook by
+ accident. These files should continue to be playable, but don't
+ allow an exploit */
+ {
+ int entries = ci->book_param[info->groupbook]->entries;
+ int dim = ci->book_param[info->groupbook]->dim;
+ int partvals = 1;
+ if (dim<1) goto errout;
+ while(dim>0){
+ partvals *= info->partitions;
+ if(partvals > entries) goto errout;
+ dim--;
+ }
+ info->partvals = partvals;
+ }
+
+ return(info);
+ errout:
+ res0_free_info(info);
+ return(NULL);
+}
+
+vorbis_look_residue *res0_look(vorbis_dsp_state *vd,vorbis_info_mode *vm,
+ vorbis_info_residue *vr){
+ vorbis_info_residue0 *info=(vorbis_info_residue0 *)vr;
+ vorbis_look_residue0 *look=(vorbis_look_residue0 *)_ogg_calloc(1,sizeof(*look));
+ codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup;
+
+ int j,k,acc=0;
+ int dim;
+ int maxstage=0;
+ look->info=info;
+ look->map=vm->mapping;
+
+ look->parts=info->partitions;
+ look->fullbooks=ci->fullbooks;
+ look->phrasebook=ci->fullbooks+info->groupbook;
+ dim=look->phrasebook->dim;
+
+ look->partbooks=(codebook ***)_ogg_calloc(look->parts,sizeof(*look->partbooks));
+
+ for(j=0;j<look->parts;j++){
+ int stages=ilog(info->secondstages[j]);
+ if(stages){
+ if(stages>maxstage)maxstage=stages;
+ look->partbooks[j]=(codebook **)_ogg_calloc(stages,sizeof(*look->partbooks[j]));
+ for(k=0;k<stages;k++)
+ if(info->secondstages[j]&(1<<k)){
+ look->partbooks[j][k]=ci->fullbooks+info->booklist[acc++];
+#ifdef TRAIN_RES
+ look->training_data[k][j]=calloc(look->partbooks[j][k]->entries,
+ sizeof(***look->training_data));
+#endif
+ }
+ }
+ }
+
+ look->partvals=look->parts;
+ for(j=1;j<dim;j++)look->partvals*=look->parts;
+ look->stages=maxstage;
+ look->decodemap=(int **)_ogg_malloc(look->partvals*sizeof(*look->decodemap));
+ for(j=0;j<look->partvals;j++){
+ long val=j;
+ long mult=look->partvals/look->parts;
+ look->decodemap[j]=(int *)_ogg_malloc(dim*sizeof(*look->decodemap[j]));
+ for(k=0;k<dim;k++){
+ long deco=val/mult;
+ val-=deco*mult;
+ mult/=look->parts;
+ look->decodemap[j][k]=deco;
+ }
+ }
+
+ return(look);
+}
+
+
+/* a truncated packet here just means 'stop working'; it's not an error */
+static int _01inverse(vorbis_block *vb,vorbis_look_residue *vl,
+ ogg_int32_t **in,int ch,
+ long (*decodepart)(codebook *, ogg_int32_t *,
+ oggpack_buffer *,int,int)){
+
+ long i,j,k,l,s;
+ vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
+ vorbis_info_residue0 *info=look->info;
+
+ /* move all this setup out later */
+ int samples_per_partition=info->grouping;
+ int partitions_per_word=look->phrasebook->dim;
+ int max=vb->pcmend>>1;
+ int end=(info->end<max?info->end:max);
+ int n=end-info->begin;
+
+ if(n>0){
+ int partvals=n/samples_per_partition;
+ int partwords=(partvals+partitions_per_word-1)/partitions_per_word;
+ int ***partword=(int ***)alloca(ch*sizeof(*partword));
+
+ for(j=0;j<ch;j++)
+ partword[j]=(int **)_vorbis_block_alloc(vb,partwords*sizeof(*partword[j]));
+
+ for(s=0;s<look->stages;s++){
+
+ /* each loop decodes on partition codeword containing
+ partitions_pre_word partitions */
+ for(i=0,l=0;i<partvals;l++){
+ if(s==0){
+ /* fetch the partition word for each channel */
+ for(j=0;j<ch;j++){
+ int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
+ if(temp==-1 || temp>=info->partvals)goto eopbreak;
+ partword[j][l]=look->decodemap[temp];
+ if(partword[j][l]==NULL)goto errout;
+ }
+ }
+
+ /* now we decode residual values for the partitions */
+ for(k=0;k<partitions_per_word && i<partvals;k++,i++)
+ for(j=0;j<ch;j++){
+ long offset=info->begin+i*samples_per_partition;
+ if(info->secondstages[partword[j][l][k]]&(1<<s)){
+ codebook *stagebook=look->partbooks[partword[j][l][k]][s];
+ if(stagebook){
+ if(decodepart(stagebook,in[j]+offset,&vb->opb,
+ samples_per_partition,-8)==-1)goto eopbreak;
+ }
+ }
+ }
+ }
+ }
+ }
+ errout:
+ eopbreak:
+ return(0);
+}
+
+int res0_inverse(vorbis_block *vb,vorbis_look_residue *vl,
+ ogg_int32_t **in,int *nonzero,int ch){
+ int i,used=0;
+ for(i=0;i<ch;i++)
+ if(nonzero[i])
+ in[used++]=in[i];
+ if(used)
+ return(_01inverse(vb,vl,in,used,vorbis_book_decodevs_add));
+ else
+ return(0);
+}
+
+int res1_inverse(vorbis_block *vb,vorbis_look_residue *vl,
+ ogg_int32_t **in,int *nonzero,int ch){
+ int i,used=0;
+ for(i=0;i<ch;i++)
+ if(nonzero[i])
+ in[used++]=in[i];
+ if(used)
+ return(_01inverse(vb,vl,in,used,vorbis_book_decodev_add));
+ else
+ return(0);
+}
+
+/* duplicate code here as speed is somewhat more important */
+int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl,
+ ogg_int32_t **in,int *nonzero,int ch){
+ long i,k,l,s;
+ vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
+ vorbis_info_residue0 *info=look->info;
+
+ /* move all this setup out later */
+ int samples_per_partition=info->grouping;
+ int partitions_per_word=look->phrasebook->dim;
+ int max=(vb->pcmend*ch)>>1;
+ int end=(info->end<max?info->end:max);
+ int n=end-info->begin;
+
+ if(n>0){
+
+ int partvals=n/samples_per_partition;
+ int partwords=(partvals+partitions_per_word-1)/partitions_per_word;
+ int **partword=(int **)_vorbis_block_alloc(vb,partwords*sizeof(*partword));
+ int beginoff=info->begin/ch;
+
+ for(i=0;i<ch;i++)if(nonzero[i])break;
+ if(i==ch)return(0); /* no nonzero vectors */
+
+ samples_per_partition/=ch;
+
+ for(s=0;s<look->stages;s++){
+ for(i=0,l=0;i<partvals;l++){
+
+ if(s==0){
+ /* fetch the partition word */
+ int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
+ if(temp==-1 || temp>=info->partvals)goto eopbreak;
+ partword[l]=look->decodemap[temp];
+ if(partword[l]==NULL)goto errout;
+ }
+
+ /* now we decode residual values for the partitions */
+ for(k=0;k<partitions_per_word && i<partvals;k++,i++)
+ if(info->secondstages[partword[l][k]]&(1<<s)){
+ codebook *stagebook=look->partbooks[partword[l][k]][s];
+
+ if(stagebook){
+ if(vorbis_book_decodevv_add(stagebook,in,
+ i*samples_per_partition+beginoff,ch,
+ &vb->opb,
+ samples_per_partition,-8)==-1)
+ goto eopbreak;
+ }
+ }
+ }
+ }
+ }
+ errout:
+ eopbreak:
+ return(0);
+}
+
+
+vorbis_func_residue residue0_exportbundle={
+ &res0_unpack,
+ &res0_look,
+ &res0_free_info,
+ &res0_free_look,
+ &res0_inverse
+};
+
+vorbis_func_residue residue1_exportbundle={
+ &res0_unpack,
+ &res0_look,
+ &res0_free_info,
+ &res0_free_look,
+ &res1_inverse
+};
+
+vorbis_func_residue residue2_exportbundle={
+ &res0_unpack,
+ &res0_look,
+ &res0_free_info,
+ &res0_free_look,
+ &res2_inverse
+};
diff --git a/media/libtremor/lib/tremor_sharedbook.c b/media/libtremor/lib/tremor_sharedbook.c
new file mode 100644
index 0000000000..188485e3ff
--- /dev/null
+++ b/media/libtremor/lib/tremor_sharedbook.c
@@ -0,0 +1,447 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: basic shared codebook operations
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <ogg/ogg.h>
+#include "misc.h"
+#include "ivorbiscodec.h"
+#include "codebook.h"
+
+/**** pack/unpack helpers ******************************************/
+int _ilog(unsigned int v){
+ int ret=0;
+ while(v){
+ ret++;
+ v>>=1;
+ }
+ return(ret);
+}
+
+/* 32 bit float (not IEEE; nonnormalized mantissa +
+ biased exponent) : neeeeeee eeemmmmm mmmmmmmm mmmmmmmm
+ Why not IEEE? It's just not that important here. */
+
+#define VQ_FEXP 10
+#define VQ_FMAN 21
+#define VQ_FEXP_BIAS 768 /* bias toward values smaller than 1. */
+
+static ogg_int32_t _float32_unpack(long val,int *point){
+ long mant=val&0x1fffff;
+ int sign=val&0x80000000;
+ long exp =(val&0x7fe00000L)>>VQ_FMAN;
+
+ exp-=(VQ_FMAN-1)+VQ_FEXP_BIAS;
+
+ if(mant){
+ while(!(mant&0x40000000)){
+ mant<<=1;
+ exp-=1;
+ }
+
+ if(sign)mant= -mant;
+ }else{
+ sign=0;
+ exp=-9999;
+ }
+
+ *point=exp;
+ return mant;
+}
+
+/* given a list of word lengths, generate a list of codewords. Works
+ for length ordered or unordered, always assigns the lowest valued
+ codewords first. Extended to handle unused entries (length 0) */
+ogg_uint32_t *_make_words(long *l,long n,long sparsecount){
+ long i,j,count=0;
+ ogg_uint32_t marker[33];
+ ogg_uint32_t *r=(ogg_uint32_t *)_ogg_malloc((sparsecount?sparsecount:n)*sizeof(*r));
+ memset(marker,0,sizeof(marker));
+
+ for(i=0;i<n;i++){
+ long length=l[i];
+ if(length>0){
+ ogg_uint32_t entry=marker[length];
+
+ /* when we claim a node for an entry, we also claim the nodes
+ below it (pruning off the imagined tree that may have dangled
+ from it) as well as blocking the use of any nodes directly
+ above for leaves */
+
+ /* update ourself */
+ if(length<32 && (entry>>length)){
+ /* error condition; the lengths must specify an overpopulated tree */
+ _ogg_free(r);
+ return(NULL);
+ }
+ r[count++]=entry;
+
+ /* Look to see if the next shorter marker points to the node
+ above. if so, update it and repeat. */
+ {
+ for(j=length;j>0;j--){
+
+ if(marker[j]&1){
+ /* have to jump branches */
+ if(j==1)
+ marker[1]++;
+ else
+ marker[j]=marker[j-1]<<1;
+ break; /* invariant says next upper marker would already
+ have been moved if it was on the same path */
+ }
+ marker[j]++;
+ }
+ }
+
+ /* prune the tree; the implicit invariant says all the longer
+ markers were dangling from our just-taken node. Dangle them
+ from our *new* node. */
+ for(j=length+1;j<33;j++)
+ if((marker[j]>>1) == entry){
+ entry=marker[j];
+ marker[j]=marker[j-1]<<1;
+ }else
+ break;
+ }else
+ if(sparsecount==0)count++;
+ }
+
+ /* sanity check the huffman tree; an underpopulated tree must be
+ rejected. The only exception is the one-node pseudo-nil tree,
+ which appears to be underpopulated because the tree doesn't
+ really exist; there's only one possible 'codeword' or zero bits,
+ but the above tree-gen code doesn't mark that. */
+ if(sparsecount != 1){
+ for(i=1;i<33;i++)
+ if(marker[i] & (0xffffffffUL>>(32-i))){
+ _ogg_free(r);
+ return(NULL);
+ }
+ }
+
+ /* bitreverse the words because our bitwise packer/unpacker is LSb
+ endian */
+ for(i=0,count=0;i<n;i++){
+ ogg_uint32_t temp=0;
+ for(j=0;j<l[i];j++){
+ temp<<=1;
+ temp|=(r[count]>>j)&1;
+ }
+
+ if(sparsecount){
+ if(l[i])
+ r[count++]=temp;
+ }else
+ r[count++]=temp;
+ }
+
+ return(r);
+}
+
+/* there might be a straightforward one-line way to do the below
+ that's portable and totally safe against roundoff, but I haven't
+ thought of it. Therefore, we opt on the side of caution */
+long _book_maptype1_quantvals(const static_codebook *b){
+ /* get us a starting hint, we'll polish it below */
+ int bits=_ilog(b->entries);
+ int vals=b->entries>>((bits-1)*(b->dim-1)/b->dim);
+
+ while(1){
+ long acc=1;
+ long acc1=1;
+ int i;
+ for(i=0;i<b->dim;i++){
+ acc*=vals;
+ acc1*=vals+1;
+ }
+ if(acc<=b->entries && acc1>b->entries){
+ return(vals);
+ }else{
+ if(acc>b->entries){
+ vals--;
+ }else{
+ vals++;
+ }
+ }
+ }
+}
+
+/* different than what _book_unquantize does for mainline:
+ we repack the book in a fixed point format that shares the same
+ binary point. Upon first use, we can shift point if needed */
+
+/* we need to deal with two map types: in map type 1, the values are
+ generated algorithmically (each column of the vector counts through
+ the values in the quant vector). in map type 2, all the values came
+ in in an explicit list. Both value lists must be unpacked */
+
+ogg_int32_t *_book_unquantize(const static_codebook *b,int n,int *sparsemap,
+ int *maxpoint){
+ long j,k,count=0;
+ if(b->maptype==1 || b->maptype==2){
+ int quantvals;
+ int minpoint,delpoint;
+ ogg_int32_t mindel=_float32_unpack(b->q_min,&minpoint);
+ ogg_int32_t delta=_float32_unpack(b->q_delta,&delpoint);
+ ogg_int32_t *r=(ogg_int32_t *)_ogg_calloc(n*b->dim,sizeof(*r));
+ int *rp=(int *)_ogg_calloc(n*b->dim,sizeof(*rp));
+
+ *maxpoint=minpoint;
+
+ /* maptype 1 and 2 both use a quantized value vector, but
+ different sizes */
+ switch(b->maptype){
+ case 1:
+ /* most of the time, entries%dimensions == 0, but we need to be
+ well defined. We define that the possible vales at each
+ scalar is values == entries/dim. If entries%dim != 0, we'll
+ have 'too few' values (values*dim<entries), which means that
+ we'll have 'left over' entries; left over entries use zeroed
+ values (and are wasted). So don't generate codebooks like
+ that */
+ quantvals=_book_maptype1_quantvals(b);
+ for(j=0;j<b->entries;j++){
+ if((sparsemap && b->lengthlist[j]) || !sparsemap){
+ ogg_int32_t last=0;
+ int lastpoint=0;
+ int indexdiv=1;
+ for(k=0;k<b->dim;k++){
+ int index= (j/indexdiv)%quantvals;
+ int point=0;
+ int val=VFLOAT_MULTI(delta,delpoint,
+ abs(b->quantlist[index]),&point);
+
+ val=VFLOAT_ADD(mindel,minpoint,val,point,&point);
+ val=VFLOAT_ADD(last,lastpoint,val,point,&point);
+
+ if(b->q_sequencep){
+ last=val;
+ lastpoint=point;
+ }
+
+ if(sparsemap){
+ r[sparsemap[count]*b->dim+k]=val;
+ rp[sparsemap[count]*b->dim+k]=point;
+ }else{
+ r[count*b->dim+k]=val;
+ rp[count*b->dim+k]=point;
+ }
+ if(*maxpoint<point)*maxpoint=point;
+ indexdiv*=quantvals;
+ }
+ count++;
+ }
+
+ }
+ break;
+ case 2:
+ for(j=0;j<b->entries;j++){
+ if((sparsemap && b->lengthlist[j]) || !sparsemap){
+ ogg_int32_t last=0;
+ int lastpoint=0;
+
+ for(k=0;k<b->dim;k++){
+ int point=0;
+ int val=VFLOAT_MULTI(delta,delpoint,
+ abs(b->quantlist[j*b->dim+k]),&point);
+
+ val=VFLOAT_ADD(mindel,minpoint,val,point,&point);
+ val=VFLOAT_ADD(last,lastpoint,val,point,&point);
+
+ if(b->q_sequencep){
+ last=val;
+ lastpoint=point;
+ }
+
+ if(sparsemap){
+ r[sparsemap[count]*b->dim+k]=val;
+ rp[sparsemap[count]*b->dim+k]=point;
+ }else{
+ r[count*b->dim+k]=val;
+ rp[count*b->dim+k]=point;
+ }
+ if(*maxpoint<point)*maxpoint=point;
+ }
+ count++;
+ }
+ }
+ break;
+ }
+
+ for(j=0;j<n*b->dim;j++)
+ if(rp[j]<*maxpoint)
+ r[j]>>=*maxpoint-rp[j];
+
+ _ogg_free(rp);
+ return(r);
+ }
+ return(NULL);
+}
+
+void vorbis_staticbook_destroy(static_codebook *b){
+ if(b->quantlist)_ogg_free(b->quantlist);
+ if(b->lengthlist)_ogg_free(b->lengthlist);
+ memset(b,0,sizeof(*b));
+ _ogg_free(b);
+}
+
+void vorbis_book_clear(codebook *b){
+ /* static book is not cleared; we're likely called on the lookup and
+ the static codebook belongs to the info struct */
+ if(b->valuelist)_ogg_free(b->valuelist);
+ if(b->codelist)_ogg_free(b->codelist);
+
+ if(b->dec_index)_ogg_free(b->dec_index);
+ if(b->dec_codelengths)_ogg_free(b->dec_codelengths);
+ if(b->dec_firsttable)_ogg_free(b->dec_firsttable);
+
+ memset(b,0,sizeof(*b));
+}
+
+static ogg_uint32_t bitreverse(ogg_uint32_t x){
+ x= ((x>>16)&0x0000ffffUL) | ((x<<16)&0xffff0000UL);
+ x= ((x>> 8)&0x00ff00ffUL) | ((x<< 8)&0xff00ff00UL);
+ x= ((x>> 4)&0x0f0f0f0fUL) | ((x<< 4)&0xf0f0f0f0UL);
+ x= ((x>> 2)&0x33333333UL) | ((x<< 2)&0xccccccccUL);
+ return((x>> 1)&0x55555555UL) | ((x<< 1)&0xaaaaaaaaUL);
+}
+
+static int sort32a(const void *a,const void *b){
+ return (**(ogg_uint32_t **)a>**(ogg_uint32_t **)b)-
+ (**(ogg_uint32_t **)a<**(ogg_uint32_t **)b);
+}
+
+/* decode codebook arrangement is more heavily optimized than encode */
+int vorbis_book_init_decode(codebook *c,const static_codebook *s){
+ int i,j,n=0,tabn;
+ int *sortindex;
+ memset(c,0,sizeof(*c));
+
+ /* count actually used entries */
+ for(i=0;i<s->entries;i++)
+ if(s->lengthlist[i]>0)
+ n++;
+
+ c->entries=s->entries;
+ c->used_entries=n;
+ c->dim=s->dim;
+
+ if(n>0){
+ /* two different remappings go on here.
+
+ First, we collapse the likely sparse codebook down only to
+ actually represented values/words. This collapsing needs to be
+ indexed as map-valueless books are used to encode original entry
+ positions as integers.
+
+ Second, we reorder all vectors, including the entry index above,
+ by sorted bitreversed codeword to allow treeless decode. */
+
+ /* perform sort */
+ ogg_uint32_t *codes=_make_words(s->lengthlist,s->entries,c->used_entries);
+ ogg_uint32_t **codep=(ogg_uint32_t **)alloca(sizeof(*codep)*n);
+
+ if(codes==NULL)goto err_out;
+
+ for(i=0;i<n;i++){
+ codes[i]=bitreverse(codes[i]);
+ codep[i]=codes+i;
+ }
+
+ qsort(codep,n,sizeof(*codep),sort32a);
+
+ sortindex=(int *)alloca(n*sizeof(*sortindex));
+ c->codelist=(ogg_uint32_t *)_ogg_malloc(n*sizeof(*c->codelist));
+ /* the index is a reverse index */
+ for(i=0;i<n;i++){
+ int position=codep[i]-codes;
+ sortindex[position]=i;
+ }
+
+ for(i=0;i<n;i++)
+ c->codelist[sortindex[i]]=codes[i];
+ _ogg_free(codes);
+
+
+
+ c->valuelist=_book_unquantize(s,n,sortindex,&c->binarypoint);
+ c->dec_index=(int *)_ogg_malloc(n*sizeof(*c->dec_index));
+
+ for(n=0,i=0;i<s->entries;i++)
+ if(s->lengthlist[i]>0)
+ c->dec_index[sortindex[n++]]=i;
+
+ c->dec_codelengths=(char *)_ogg_malloc(n*sizeof(*c->dec_codelengths));
+ for(n=0,i=0;i<s->entries;i++)
+ if(s->lengthlist[i]>0)
+ c->dec_codelengths[sortindex[n++]]=s->lengthlist[i];
+
+ c->dec_firsttablen=_ilog(c->used_entries)-4; /* this is magic */
+ if(c->dec_firsttablen<5)c->dec_firsttablen=5;
+ if(c->dec_firsttablen>8)c->dec_firsttablen=8;
+
+ tabn=1<<c->dec_firsttablen;
+ c->dec_firsttable=(ogg_uint32_t *)_ogg_calloc(tabn,sizeof(*c->dec_firsttable));
+ c->dec_maxlength=0;
+
+ for(i=0;i<n;i++){
+ if(c->dec_maxlength<c->dec_codelengths[i])
+ c->dec_maxlength=c->dec_codelengths[i];
+ if(c->dec_codelengths[i]<=c->dec_firsttablen){
+ ogg_uint32_t orig=bitreverse(c->codelist[i]);
+ for(j=0;j<(1<<(c->dec_firsttablen-c->dec_codelengths[i]));j++)
+ c->dec_firsttable[orig|(j<<c->dec_codelengths[i])]=i+1;
+ }
+ }
+
+ /* now fill in 'unused' entries in the firsttable with hi/lo search
+ hints for the non-direct-hits */
+ {
+ ogg_uint32_t mask=0xfffffffeUL<<(31-c->dec_firsttablen);
+ long lo=0,hi=0;
+
+ for(i=0;i<tabn;i++){
+ ogg_uint32_t word=i<<(32-c->dec_firsttablen);
+ if(c->dec_firsttable[bitreverse(word)]==0){
+ while((lo+1)<n && c->codelist[lo+1]<=word)lo++;
+ while( hi<n && word>=(c->codelist[hi]&mask))hi++;
+
+ /* we only actually have 15 bits per hint to play with here.
+ In order to overflow gracefully (nothing breaks, efficiency
+ just drops), encode as the difference from the extremes. */
+ {
+ unsigned long loval=lo;
+ unsigned long hival=n-hi;
+
+ if(loval>0x7fff)loval=0x7fff;
+ if(hival>0x7fff)hival=0x7fff;
+ c->dec_firsttable[bitreverse(word)]=
+ 0x80000000UL | (loval<<15) | hival;
+ }
+ }
+ }
+ }
+ }
+
+ return(0);
+ err_out:
+ vorbis_book_clear(c);
+ return(-1);
+}
+
diff --git a/media/libtremor/lib/tremor_synthesis.c b/media/libtremor/lib/tremor_synthesis.c
new file mode 100644
index 0000000000..c7680f6d02
--- /dev/null
+++ b/media/libtremor/lib/tremor_synthesis.c
@@ -0,0 +1,131 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: single-block PCM synthesis
+ last mod: $Id: synthesis.c,v 1.4 2003/03/29 03:07:21 xiphmont Exp $
+
+ ********************************************************************/
+
+#include <stdio.h>
+#include <ogg/ogg.h>
+#include "ivorbiscodec.h"
+#include "codec_internal.h"
+#include "registry.h"
+#include "misc.h"
+#include "block.h"
+
+static int _vorbis_synthesis1(vorbis_block *vb,ogg_packet *op,int decodep){
+ vorbis_dsp_state *vd= vb ? vb->vd : 0;
+ private_state *b= vd ? (private_state *)vd->backend_state: 0;
+ vorbis_info *vi= vd ? vd->vi : 0;
+ codec_setup_info *ci= vi ? (codec_setup_info *)vi->codec_setup : 0;
+ oggpack_buffer *opb=vb ? &vb->opb : 0;
+ int type,mode,i;
+
+ if (!vd || !b || !vi || !ci || !opb) {
+ return OV_EBADPACKET;
+ }
+
+ /* first things first. Make sure decode is ready */
+ _vorbis_block_ripcord(vb);
+ oggpack_readinit(opb,op->packet,op->bytes);
+
+ /* Check the packet type */
+ if(oggpack_read(opb,1)!=0){
+ /* Oops. This is not an audio data packet */
+ return(OV_ENOTAUDIO);
+ }
+
+ /* read our mode and pre/post windowsize */
+ mode=oggpack_read(opb,b->modebits);
+ if(mode==-1)return(OV_EBADPACKET);
+
+ vb->mode=mode;
+ if(!ci->mode_param[mode]){
+ return(OV_EBADPACKET);
+ }
+
+ vb->W=ci->mode_param[mode]->blockflag;
+ if(vb->W){
+ vb->lW=oggpack_read(opb,1);
+ vb->nW=oggpack_read(opb,1);
+ if(vb->nW==-1) return(OV_EBADPACKET);
+ }else{
+ vb->lW=0;
+ vb->nW=0;
+ }
+
+ /* more setup */
+ vb->granulepos=op->granulepos;
+ vb->sequence=op->packetno-3; /* first block is third packet */
+ vb->eofflag=op->e_o_s;
+
+ if(decodep){
+ /* alloc pcm passback storage */
+ vb->pcmend=ci->blocksizes[vb->W];
+ vb->pcm=(ogg_int32_t **)_vorbis_block_alloc(vb,sizeof(*vb->pcm)*vi->channels);
+ for(i=0;i<vi->channels;i++)
+ vb->pcm[i]=(ogg_int32_t *)_vorbis_block_alloc(vb,vb->pcmend*sizeof(*vb->pcm[i]));
+
+ /* unpack_header enforces range checking */
+ type=ci->map_type[ci->mode_param[mode]->mapping];
+
+ return(_mapping_P[type]->inverse(vb,b->mode[mode]));
+ }else{
+ /* no pcm */
+ vb->pcmend=0;
+ vb->pcm=NULL;
+
+ return(0);
+ }
+}
+
+int vorbis_synthesis(vorbis_block *vb,ogg_packet *op){
+ return _vorbis_synthesis1(vb,op,1);
+}
+
+/* used to track pcm position without actually performing decode.
+ Useful for sequential 'fast forward' */
+int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op){
+ return _vorbis_synthesis1(vb,op,0);
+}
+
+long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){
+ codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
+ oggpack_buffer opb;
+ int mode;
+
+ oggpack_readinit(&opb,op->packet,op->bytes);
+
+ /* Check the packet type */
+ if(oggpack_read(&opb,1)!=0){
+ /* Oops. This is not an audio data packet */
+ return(OV_ENOTAUDIO);
+ }
+
+ {
+ int modebits=0;
+ int v=ci->modes;
+ while(v>1){
+ modebits++;
+ v>>=1;
+ }
+
+ /* read our mode and pre/post windowsize */
+ mode=oggpack_read(&opb,modebits);
+ }
+ if(mode==-1 || !ci->mode_param[mode])return(OV_EBADPACKET);
+ return(ci->blocksizes[ci->mode_param[mode]->blockflag]);
+}
+
+
diff --git a/media/libtremor/lib/tremor_window.c b/media/libtremor/lib/tremor_window.c
new file mode 100644
index 0000000000..006a1ee6b5
--- /dev/null
+++ b/media/libtremor/lib/tremor_window.c
@@ -0,0 +1,83 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: window functions
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <math.h>
+#include "misc.h"
+#include "window.h"
+#include "window_lookup.h"
+
+const void *_vorbis_window(int type, int left){
+
+ switch(type){
+ case 0:
+
+ switch(left){
+ case 32:
+ return vwin64;
+ case 64:
+ return vwin128;
+ case 128:
+ return vwin256;
+ case 256:
+ return vwin512;
+ case 512:
+ return vwin1024;
+ case 1024:
+ return vwin2048;
+ case 2048:
+ return vwin4096;
+ case 4096:
+ return vwin8192;
+ default:
+ return(0);
+ }
+ break;
+ default:
+ return(0);
+ }
+}
+
+void _vorbis_apply_window(ogg_int32_t *d,const void *window_p[2],
+ long *blocksizes,
+ int lW,int W,int nW){
+
+ LOOKUP_T *window[2]={window_p[0],window_p[1]};
+ long n=blocksizes[W];
+ long ln=blocksizes[lW];
+ long rn=blocksizes[nW];
+
+ long leftbegin=n/4-ln/4;
+ long leftend=leftbegin+ln/2;
+
+ long rightbegin=n/2+n/4-rn/4;
+ long rightend=rightbegin+rn/2;
+
+ int i,p;
+
+ for(i=0;i<leftbegin;i++)
+ d[i]=0;
+
+ for(p=0;i<leftend;i++,p++)
+ d[i]=MULT31(d[i],window[lW][p]);
+
+ for(i=rightbegin,p=rn/2-1;i<rightend;i++,p--)
+ d[i]=MULT31(d[i],window[nW][p]);
+
+ for(;i<n;i++)
+ d[i]=0;
+}
diff --git a/media/libtremor/lib/window.h b/media/libtremor/lib/window.h
new file mode 100644
index 0000000000..27647fe62e
--- /dev/null
+++ b/media/libtremor/lib/window.h
@@ -0,0 +1,27 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: window functions
+
+ ********************************************************************/
+
+#ifndef _V_WINDOW_
+#define _V_WINDOW_
+
+extern const void *_vorbis_window(int type,int left);
+extern void _vorbis_apply_window(ogg_int32_t *d,const void *window[2],
+ long *blocksizes,
+ int lW,int W,int nW);
+
+
+#endif
diff --git a/media/libtremor/lib/window_lookup.h b/media/libtremor/lib/window_lookup.h
new file mode 100644
index 0000000000..fc0494e694
--- /dev/null
+++ b/media/libtremor/lib/window_lookup.h
@@ -0,0 +1,2084 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
+ * *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: window lookup tables
+
+ ********************************************************************/
+
+
+#include <ogg/os_types.h>
+
+static const LOOKUP_T vwin64[32] = {
+ X(0x001f0003), X(0x01168c98), X(0x030333c8), X(0x05dfe3a4),
+ X(0x09a49562), X(0x0e45df18), X(0x13b47ef2), X(0x19dcf676),
+ X(0x20a74d83), X(0x27f7137c), X(0x2fabb05a), X(0x37a1105a),
+ X(0x3fb0ab28), X(0x47b2dcd1), X(0x4f807bc6), X(0x56f48e70),
+ X(0x5dedfc79), X(0x64511653), X(0x6a08cfff), X(0x6f079328),
+ X(0x734796f4), X(0x76cab7f2), X(0x7999d6e8), X(0x7bc3cf9f),
+ X(0x7d5c20c1), X(0x7e7961df), X(0x7f33a567), X(0x7fa2e1d0),
+ X(0x7fdd78a5), X(0x7ff6ec6d), X(0x7ffed0e9), X(0x7ffffc3f),
+};
+
+static const LOOKUP_T vwin128[64] = {
+ X(0x0007c04d), X(0x0045bb89), X(0x00c18b87), X(0x017ae294),
+ X(0x02714a4e), X(0x03a4217a), X(0x05129952), X(0x06bbb24f),
+ X(0x089e38a1), X(0x0ab8c073), X(0x0d09a228), X(0x0f8ef6bd),
+ X(0x12469488), X(0x152e0c7a), X(0x1842a81c), X(0x1b81686d),
+ X(0x1ee705d9), X(0x226ff15d), X(0x26185705), X(0x29dc21cc),
+ X(0x2db700fe), X(0x31a46f08), X(0x359fb9c1), X(0x39a40c0c),
+ X(0x3dac78b6), X(0x41b40674), X(0x45b5bcb0), X(0x49acb109),
+ X(0x4d94152b), X(0x516744bd), X(0x5521d320), X(0x58bf98a5),
+ X(0x5c3cbef4), X(0x5f95cc5d), X(0x62c7add7), X(0x65cfbf64),
+ X(0x68abd2ba), X(0x6b5a3405), X(0x6dd9acab), X(0x7029840d),
+ X(0x72497e38), X(0x7439d8ac), X(0x75fb4532), X(0x778ee30a),
+ X(0x78f6367e), X(0x7a331f1a), X(0x7b47cccd), X(0x7c36b416),
+ X(0x7d028192), X(0x7dae0d18), X(0x7e3c4caa), X(0x7eb04763),
+ X(0x7f0d08a7), X(0x7f5593b7), X(0x7f8cd7d5), X(0x7fb5a513),
+ X(0x7fd2a1fc), X(0x7fe64212), X(0x7ff2bd4c), X(0x7ffa0890),
+ X(0x7ffdcf39), X(0x7fff6dac), X(0x7fffed01), X(0x7fffffc4),
+};
+
+static const LOOKUP_T vwin256[128] = {
+ X(0x0001f018), X(0x00117066), X(0x00306e9e), X(0x005ee5f1),
+ X(0x009ccf26), X(0x00ea208b), X(0x0146cdea), X(0x01b2c87f),
+ X(0x022dfedf), X(0x02b85ced), X(0x0351cbbd), X(0x03fa317f),
+ X(0x04b17167), X(0x05776b90), X(0x064bfcdc), X(0x072efedd),
+ X(0x082047b4), X(0x091fa9f1), X(0x0a2cf477), X(0x0b47f25d),
+ X(0x0c706ad2), X(0x0da620ff), X(0x0ee8d3ef), X(0x10383e75),
+ X(0x11941716), X(0x12fc0ff6), X(0x146fd6c8), X(0x15ef14c2),
+ X(0x17796e8e), X(0x190e844f), X(0x1aadf196), X(0x1c574d6e),
+ X(0x1e0a2a62), X(0x1fc61688), X(0x218a9b9c), X(0x23573f12),
+ X(0x252b823d), X(0x2706e269), X(0x28e8d913), X(0x2ad0dc0e),
+ X(0x2cbe5dc1), X(0x2eb0cd60), X(0x30a79733), X(0x32a224d5),
+ X(0x349fdd8b), X(0x36a02690), X(0x38a2636f), X(0x3aa5f65e),
+ X(0x3caa409e), X(0x3eaea2df), X(0x40b27da6), X(0x42b531b8),
+ X(0x44b62086), X(0x46b4ac99), X(0x48b03a05), X(0x4aa82ed5),
+ X(0x4c9bf37d), X(0x4e8af349), X(0x50749ccb), X(0x52586246),
+ X(0x5435ba1c), X(0x560c1f31), X(0x57db1152), X(0x59a21591),
+ X(0x5b60b6a3), X(0x5d168535), X(0x5ec31839), X(0x60660d36),
+ X(0x61ff0886), X(0x638db595), X(0x6511c717), X(0x668af734),
+ X(0x67f907b0), X(0x695bc207), X(0x6ab2f787), X(0x6bfe815a),
+ X(0x6d3e4090), X(0x6e721e16), X(0x6f9a0ab5), X(0x70b5fef8),
+ X(0x71c5fb16), X(0x72ca06cd), X(0x73c2313d), X(0x74ae90b2),
+ X(0x758f4275), X(0x76646a85), X(0x772e335c), X(0x77eccda0),
+ X(0x78a06fd7), X(0x79495613), X(0x79e7c19c), X(0x7a7bf894),
+ X(0x7b064596), X(0x7b86f757), X(0x7bfe6044), X(0x7c6cd615),
+ X(0x7cd2b16e), X(0x7d304d71), X(0x7d860756), X(0x7dd43e06),
+ X(0x7e1b51ad), X(0x7e5ba355), X(0x7e95947e), X(0x7ec986bb),
+ X(0x7ef7db4a), X(0x7f20f2b9), X(0x7f452c7f), X(0x7f64e6a7),
+ X(0x7f807d71), X(0x7f984aff), X(0x7faca700), X(0x7fbde662),
+ X(0x7fcc5b04), X(0x7fd85372), X(0x7fe21a99), X(0x7fe9f791),
+ X(0x7ff02d58), X(0x7ff4fa9e), X(0x7ff89990), X(0x7ffb3faa),
+ X(0x7ffd1d8b), X(0x7ffe5ecc), X(0x7fff29e0), X(0x7fff9ff3),
+ X(0x7fffdcd2), X(0x7ffff6d6), X(0x7ffffed0), X(0x7ffffffc),
+};
+
+static const LOOKUP_T vwin512[256] = {
+ X(0x00007c06), X(0x00045c32), X(0x000c1c62), X(0x0017bc4c),
+ X(0x00273b7a), X(0x003a9955), X(0x0051d51c), X(0x006cede7),
+ X(0x008be2a9), X(0x00aeb22a), X(0x00d55b0d), X(0x00ffdbcc),
+ X(0x012e32b6), X(0x01605df5), X(0x01965b85), X(0x01d02939),
+ X(0x020dc4ba), X(0x024f2b83), X(0x02945ae6), X(0x02dd5004),
+ X(0x032a07d3), X(0x037a7f19), X(0x03ceb26e), X(0x04269e37),
+ X(0x04823eab), X(0x04e18fcc), X(0x05448d6d), X(0x05ab3329),
+ X(0x06157c68), X(0x0683645e), X(0x06f4e607), X(0x0769fc25),
+ X(0x07e2a146), X(0x085ecfbc), X(0x08de819f), X(0x0961b0cc),
+ X(0x09e856e3), X(0x0a726d46), X(0x0affed1d), X(0x0b90cf4c),
+ X(0x0c250c79), X(0x0cbc9d0b), X(0x0d577926), X(0x0df598aa),
+ X(0x0e96f337), X(0x0f3b8026), X(0x0fe3368f), X(0x108e0d42),
+ X(0x113bfaca), X(0x11ecf56b), X(0x12a0f324), X(0x1357e9ac),
+ X(0x1411ce70), X(0x14ce9698), X(0x158e3702), X(0x1650a444),
+ X(0x1715d2aa), X(0x17ddb638), X(0x18a842aa), X(0x19756b72),
+ X(0x1a4523b9), X(0x1b175e62), X(0x1bec0e04), X(0x1cc324f0),
+ X(0x1d9c9532), X(0x1e78508a), X(0x1f564876), X(0x20366e2e),
+ X(0x2118b2a2), X(0x21fd0681), X(0x22e35a37), X(0x23cb9dee),
+ X(0x24b5c18e), X(0x25a1b4c0), X(0x268f66f1), X(0x277ec74e),
+ X(0x286fc4cc), X(0x29624e23), X(0x2a5651d7), X(0x2b4bbe34),
+ X(0x2c428150), X(0x2d3a8913), X(0x2e33c332), X(0x2f2e1d35),
+ X(0x30298478), X(0x3125e62d), X(0x32232f61), X(0x33214cfc),
+ X(0x34202bc2), X(0x351fb85a), X(0x361fdf4f), X(0x37208d10),
+ X(0x3821adf7), X(0x39232e49), X(0x3a24fa3c), X(0x3b26fdf6),
+ X(0x3c292593), X(0x3d2b5d29), X(0x3e2d90c8), X(0x3f2fac7f),
+ X(0x40319c5f), X(0x41334c81), X(0x4234a905), X(0x43359e16),
+ X(0x443617f3), X(0x453602eb), X(0x46354b65), X(0x4733dde1),
+ X(0x4831a6ff), X(0x492e937f), X(0x4a2a9045), X(0x4b258a5f),
+ X(0x4c1f6f06), X(0x4d182ba2), X(0x4e0fadce), X(0x4f05e35b),
+ X(0x4ffaba53), X(0x50ee20fd), X(0x51e005e1), X(0x52d057ca),
+ X(0x53bf05ca), X(0x54abff3b), X(0x559733c7), X(0x56809365),
+ X(0x57680e62), X(0x584d955d), X(0x59311952), X(0x5a128b96),
+ X(0x5af1dddd), X(0x5bcf023a), X(0x5ca9eb27), X(0x5d828b81),
+ X(0x5e58d68d), X(0x5f2cbffc), X(0x5ffe3be9), X(0x60cd3edf),
+ X(0x6199bdda), X(0x6263ae45), X(0x632b0602), X(0x63efbb66),
+ X(0x64b1c53f), X(0x65711ad0), X(0x662db3d7), X(0x66e7888d),
+ X(0x679e91a5), X(0x6852c84e), X(0x69042635), X(0x69b2a582),
+ X(0x6a5e40dd), X(0x6b06f36c), X(0x6bacb8d2), X(0x6c4f8d30),
+ X(0x6cef6d26), X(0x6d8c55d4), X(0x6e2644d4), X(0x6ebd3840),
+ X(0x6f512ead), X(0x6fe2272e), X(0x7070214f), X(0x70fb1d17),
+ X(0x71831b06), X(0x72081c16), X(0x728a21b5), X(0x73092dc8),
+ X(0x738542a6), X(0x73fe631b), X(0x74749261), X(0x74e7d421),
+ X(0x75582c72), X(0x75c59fd5), X(0x76303333), X(0x7697ebdd),
+ X(0x76fccf85), X(0x775ee443), X(0x77be308a), X(0x781abb2e),
+ X(0x78748b59), X(0x78cba88e), X(0x79201aa7), X(0x7971e9cd),
+ X(0x79c11e79), X(0x7a0dc170), X(0x7a57dbc2), X(0x7a9f76c1),
+ X(0x7ae49c07), X(0x7b27556b), X(0x7b67ad02), X(0x7ba5ad1b),
+ X(0x7be1603a), X(0x7c1ad118), X(0x7c520a9e), X(0x7c8717e1),
+ X(0x7cba0421), X(0x7ceadac3), X(0x7d19a74f), X(0x7d46756e),
+ X(0x7d7150e5), X(0x7d9a4592), X(0x7dc15f69), X(0x7de6aa71),
+ X(0x7e0a32c0), X(0x7e2c0479), X(0x7e4c2bc7), X(0x7e6ab4db),
+ X(0x7e87abe9), X(0x7ea31d24), X(0x7ebd14be), X(0x7ed59edd),
+ X(0x7eecc7a3), X(0x7f029b21), X(0x7f17255a), X(0x7f2a723f),
+ X(0x7f3c8daa), X(0x7f4d835d), X(0x7f5d5f00), X(0x7f6c2c1b),
+ X(0x7f79f617), X(0x7f86c83a), X(0x7f92ada2), X(0x7f9db146),
+ X(0x7fa7ddf3), X(0x7fb13e46), X(0x7fb9dcb0), X(0x7fc1c36c),
+ X(0x7fc8fc83), X(0x7fcf91c7), X(0x7fd58cd2), X(0x7fdaf702),
+ X(0x7fdfd979), X(0x7fe43d1c), X(0x7fe82a8b), X(0x7febaa29),
+ X(0x7feec412), X(0x7ff1801c), X(0x7ff3e5d6), X(0x7ff5fc86),
+ X(0x7ff7cb29), X(0x7ff9586f), X(0x7ffaaaba), X(0x7ffbc81e),
+ X(0x7ffcb660), X(0x7ffd7af3), X(0x7ffe1afa), X(0x7ffe9b42),
+ X(0x7fff0047), X(0x7fff4e2f), X(0x7fff88c9), X(0x7fffb390),
+ X(0x7fffd1a6), X(0x7fffe5d7), X(0x7ffff296), X(0x7ffff9fd),
+ X(0x7ffffdcd), X(0x7fffff6d), X(0x7fffffed), X(0x7fffffff),
+};
+
+static const LOOKUP_T vwin1024[512] = {
+ X(0x00001f02), X(0x0001170e), X(0x00030724), X(0x0005ef40),
+ X(0x0009cf59), X(0x000ea767), X(0x0014775e), X(0x001b3f2e),
+ X(0x0022fec8), X(0x002bb618), X(0x00356508), X(0x00400b81),
+ X(0x004ba968), X(0x00583ea0), X(0x0065cb0a), X(0x00744e84),
+ X(0x0083c8ea), X(0x00943a14), X(0x00a5a1da), X(0x00b80010),
+ X(0x00cb5488), X(0x00df9f10), X(0x00f4df76), X(0x010b1584),
+ X(0x01224101), X(0x013a61b2), X(0x01537759), X(0x016d81b6),
+ X(0x01888087), X(0x01a47385), X(0x01c15a69), X(0x01df34e6),
+ X(0x01fe02b1), X(0x021dc377), X(0x023e76e7), X(0x02601ca9),
+ X(0x0282b466), X(0x02a63dc1), X(0x02cab85d), X(0x02f023d6),
+ X(0x03167fcb), X(0x033dcbd3), X(0x03660783), X(0x038f3270),
+ X(0x03b94c29), X(0x03e4543a), X(0x04104a2e), X(0x043d2d8b),
+ X(0x046afdd5), X(0x0499ba8c), X(0x04c9632d), X(0x04f9f734),
+ X(0x052b7615), X(0x055ddf46), X(0x05913237), X(0x05c56e53),
+ X(0x05fa9306), X(0x06309fb6), X(0x066793c5), X(0x069f6e93),
+ X(0x06d82f7c), X(0x0711d5d9), X(0x074c60fe), X(0x0787d03d),
+ X(0x07c422e4), X(0x0801583e), X(0x083f6f91), X(0x087e681f),
+ X(0x08be4129), X(0x08fef9ea), X(0x0940919a), X(0x0983076d),
+ X(0x09c65a92), X(0x0a0a8a38), X(0x0a4f9585), X(0x0a957b9f),
+ X(0x0adc3ba7), X(0x0b23d4b9), X(0x0b6c45ee), X(0x0bb58e5a),
+ X(0x0bffad0f), X(0x0c4aa11a), X(0x0c966982), X(0x0ce3054d),
+ X(0x0d30737b), X(0x0d7eb308), X(0x0dcdc2eb), X(0x0e1da21a),
+ X(0x0e6e4f83), X(0x0ebfca11), X(0x0f1210ad), X(0x0f652238),
+ X(0x0fb8fd91), X(0x100da192), X(0x10630d11), X(0x10b93ee0),
+ X(0x111035cb), X(0x1167f09a), X(0x11c06e13), X(0x1219acf5),
+ X(0x1273abfb), X(0x12ce69db), X(0x1329e54a), X(0x13861cf3),
+ X(0x13e30f80), X(0x1440bb97), X(0x149f1fd8), X(0x14fe3ade),
+ X(0x155e0b40), X(0x15be8f92), X(0x161fc662), X(0x1681ae38),
+ X(0x16e4459b), X(0x17478b0b), X(0x17ab7d03), X(0x181019fb),
+ X(0x18756067), X(0x18db4eb3), X(0x1941e34a), X(0x19a91c92),
+ X(0x1a10f8ea), X(0x1a7976af), X(0x1ae29439), X(0x1b4c4fda),
+ X(0x1bb6a7e2), X(0x1c219a9a), X(0x1c8d2649), X(0x1cf9492e),
+ X(0x1d660188), X(0x1dd34d8e), X(0x1e412b74), X(0x1eaf996a),
+ X(0x1f1e959b), X(0x1f8e1e2f), X(0x1ffe3146), X(0x206ecd01),
+ X(0x20dfef78), X(0x215196c2), X(0x21c3c0f0), X(0x22366c10),
+ X(0x22a9962a), X(0x231d3d45), X(0x23915f60), X(0x2405fa7a),
+ X(0x247b0c8c), X(0x24f09389), X(0x25668d65), X(0x25dcf80c),
+ X(0x2653d167), X(0x26cb175e), X(0x2742c7d0), X(0x27bae09e),
+ X(0x28335fa2), X(0x28ac42b3), X(0x292587a5), X(0x299f2c48),
+ X(0x2a192e69), X(0x2a938bd1), X(0x2b0e4247), X(0x2b894f8d),
+ X(0x2c04b164), X(0x2c806588), X(0x2cfc69b2), X(0x2d78bb9a),
+ X(0x2df558f4), X(0x2e723f6f), X(0x2eef6cbb), X(0x2f6cde83),
+ X(0x2fea9270), X(0x30688627), X(0x30e6b74e), X(0x31652385),
+ X(0x31e3c86b), X(0x3262a39e), X(0x32e1b2b8), X(0x3360f352),
+ X(0x33e06303), X(0x345fff5e), X(0x34dfc5f8), X(0x355fb462),
+ X(0x35dfc82a), X(0x365ffee0), X(0x36e0560f), X(0x3760cb43),
+ X(0x37e15c05), X(0x386205df), X(0x38e2c657), X(0x39639af5),
+ X(0x39e4813e), X(0x3a6576b6), X(0x3ae678e3), X(0x3b678547),
+ X(0x3be89965), X(0x3c69b2c1), X(0x3ceacedc), X(0x3d6beb37),
+ X(0x3ded0557), X(0x3e6e1abb), X(0x3eef28e6), X(0x3f702d5a),
+ X(0x3ff1259a), X(0x40720f29), X(0x40f2e789), X(0x4173ac3f),
+ X(0x41f45ad0), X(0x4274f0c2), X(0x42f56b9a), X(0x4375c8e0),
+ X(0x43f6061d), X(0x447620db), X(0x44f616a5), X(0x4575e509),
+ X(0x45f58994), X(0x467501d6), X(0x46f44b62), X(0x477363cb),
+ X(0x47f248a6), X(0x4870f78e), X(0x48ef6e1a), X(0x496da9e8),
+ X(0x49eba897), X(0x4a6967c8), X(0x4ae6e521), X(0x4b641e47),
+ X(0x4be110e5), X(0x4c5dbaa7), X(0x4cda193f), X(0x4d562a5f),
+ X(0x4dd1ebbd), X(0x4e4d5b15), X(0x4ec87623), X(0x4f433aa9),
+ X(0x4fbda66c), X(0x5037b734), X(0x50b16acf), X(0x512abf0e),
+ X(0x51a3b1c5), X(0x521c40ce), X(0x52946a06), X(0x530c2b50),
+ X(0x53838292), X(0x53fa6db8), X(0x5470eab3), X(0x54e6f776),
+ X(0x555c91fc), X(0x55d1b844), X(0x56466851), X(0x56baa02f),
+ X(0x572e5deb), X(0x57a19f98), X(0x58146352), X(0x5886a737),
+ X(0x58f8696d), X(0x5969a81c), X(0x59da6177), X(0x5a4a93b4),
+ X(0x5aba3d0f), X(0x5b295bcb), X(0x5b97ee30), X(0x5c05f28d),
+ X(0x5c736738), X(0x5ce04a8d), X(0x5d4c9aed), X(0x5db856c1),
+ X(0x5e237c78), X(0x5e8e0a89), X(0x5ef7ff6f), X(0x5f6159b0),
+ X(0x5fca17d4), X(0x6032386e), X(0x6099ba15), X(0x61009b69),
+ X(0x6166db11), X(0x61cc77b9), X(0x62317017), X(0x6295c2e7),
+ X(0x62f96eec), X(0x635c72f1), X(0x63becdc8), X(0x64207e4b),
+ X(0x6481835a), X(0x64e1dbde), X(0x654186c8), X(0x65a0830e),
+ X(0x65fecfb1), X(0x665c6bb7), X(0x66b95630), X(0x67158e30),
+ X(0x677112d7), X(0x67cbe34b), X(0x6825feb9), X(0x687f6456),
+ X(0x68d81361), X(0x69300b1e), X(0x69874ada), X(0x69ddd1ea),
+ X(0x6a339fab), X(0x6a88b382), X(0x6add0cdb), X(0x6b30ab2a),
+ X(0x6b838dec), X(0x6bd5b4a6), X(0x6c271ee2), X(0x6c77cc36),
+ X(0x6cc7bc3d), X(0x6d16ee9b), X(0x6d6562fb), X(0x6db31911),
+ X(0x6e001099), X(0x6e4c4955), X(0x6e97c311), X(0x6ee27d9f),
+ X(0x6f2c78d9), X(0x6f75b4a2), X(0x6fbe30e4), X(0x7005ed91),
+ X(0x704ceaa1), X(0x70932816), X(0x70d8a5f8), X(0x711d6457),
+ X(0x7161634b), X(0x71a4a2f3), X(0x71e72375), X(0x7228e500),
+ X(0x7269e7c8), X(0x72aa2c0a), X(0x72e9b209), X(0x73287a12),
+ X(0x73668476), X(0x73a3d18f), X(0x73e061bc), X(0x741c3566),
+ X(0x74574cfa), X(0x7491a8ee), X(0x74cb49be), X(0x75042fec),
+ X(0x753c5c03), X(0x7573ce92), X(0x75aa882f), X(0x75e08979),
+ X(0x7615d313), X(0x764a65a7), X(0x767e41e5), X(0x76b16884),
+ X(0x76e3da40), X(0x771597dc), X(0x7746a221), X(0x7776f9dd),
+ X(0x77a69fe6), X(0x77d59514), X(0x7803da49), X(0x7831706a),
+ X(0x785e5861), X(0x788a9320), X(0x78b6219c), X(0x78e104cf),
+ X(0x790b3dbb), X(0x7934cd64), X(0x795db4d5), X(0x7985f51d),
+ X(0x79ad8f50), X(0x79d48486), X(0x79fad5de), X(0x7a208478),
+ X(0x7a45917b), X(0x7a69fe12), X(0x7a8dcb6c), X(0x7ab0fabb),
+ X(0x7ad38d36), X(0x7af5841a), X(0x7b16e0a3), X(0x7b37a416),
+ X(0x7b57cfb8), X(0x7b7764d4), X(0x7b9664b6), X(0x7bb4d0b0),
+ X(0x7bd2aa14), X(0x7beff23b), X(0x7c0caa7f), X(0x7c28d43c),
+ X(0x7c4470d2), X(0x7c5f81a5), X(0x7c7a081a), X(0x7c940598),
+ X(0x7cad7b8b), X(0x7cc66b5e), X(0x7cded680), X(0x7cf6be64),
+ X(0x7d0e247b), X(0x7d250a3c), X(0x7d3b711c), X(0x7d515a95),
+ X(0x7d66c822), X(0x7d7bbb3c), X(0x7d903563), X(0x7da43814),
+ X(0x7db7c4d0), X(0x7dcadd16), X(0x7ddd826a), X(0x7defb64d),
+ X(0x7e017a44), X(0x7e12cfd3), X(0x7e23b87f), X(0x7e3435cc),
+ X(0x7e444943), X(0x7e53f467), X(0x7e6338c0), X(0x7e7217d5),
+ X(0x7e80932b), X(0x7e8eac49), X(0x7e9c64b7), X(0x7ea9bdf8),
+ X(0x7eb6b994), X(0x7ec35910), X(0x7ecf9def), X(0x7edb89b6),
+ X(0x7ee71de9), X(0x7ef25c09), X(0x7efd4598), X(0x7f07dc16),
+ X(0x7f122103), X(0x7f1c15dc), X(0x7f25bc1f), X(0x7f2f1547),
+ X(0x7f3822cd), X(0x7f40e62b), X(0x7f4960d6), X(0x7f519443),
+ X(0x7f5981e7), X(0x7f612b31), X(0x7f689191), X(0x7f6fb674),
+ X(0x7f769b45), X(0x7f7d416c), X(0x7f83aa51), X(0x7f89d757),
+ X(0x7f8fc9df), X(0x7f958348), X(0x7f9b04ef), X(0x7fa0502e),
+ X(0x7fa56659), X(0x7faa48c7), X(0x7faef8c7), X(0x7fb377a7),
+ X(0x7fb7c6b3), X(0x7fbbe732), X(0x7fbfda67), X(0x7fc3a196),
+ X(0x7fc73dfa), X(0x7fcab0ce), X(0x7fcdfb4a), X(0x7fd11ea0),
+ X(0x7fd41c00), X(0x7fd6f496), X(0x7fd9a989), X(0x7fdc3bff),
+ X(0x7fdead17), X(0x7fe0fdee), X(0x7fe32f9d), X(0x7fe54337),
+ X(0x7fe739ce), X(0x7fe9146c), X(0x7fead41b), X(0x7fec79dd),
+ X(0x7fee06b2), X(0x7fef7b94), X(0x7ff0d97b), X(0x7ff22158),
+ X(0x7ff35417), X(0x7ff472a3), X(0x7ff57de0), X(0x7ff676ac),
+ X(0x7ff75de3), X(0x7ff8345a), X(0x7ff8fae4), X(0x7ff9b24b),
+ X(0x7ffa5b58), X(0x7ffaf6cd), X(0x7ffb8568), X(0x7ffc07e2),
+ X(0x7ffc7eed), X(0x7ffceb38), X(0x7ffd4d6d), X(0x7ffda631),
+ X(0x7ffdf621), X(0x7ffe3dd8), X(0x7ffe7dea), X(0x7ffeb6e7),
+ X(0x7ffee959), X(0x7fff15c4), X(0x7fff3ca9), X(0x7fff5e80),
+ X(0x7fff7bc0), X(0x7fff94d6), X(0x7fffaa2d), X(0x7fffbc29),
+ X(0x7fffcb29), X(0x7fffd786), X(0x7fffe195), X(0x7fffe9a3),
+ X(0x7fffeffa), X(0x7ffff4dd), X(0x7ffff889), X(0x7ffffb37),
+ X(0x7ffffd1a), X(0x7ffffe5d), X(0x7fffff29), X(0x7fffffa0),
+ X(0x7fffffdd), X(0x7ffffff7), X(0x7fffffff), X(0x7fffffff),
+};
+
+static const LOOKUP_T vwin2048[1024] = {
+ X(0x000007c0), X(0x000045c4), X(0x0000c1ca), X(0x00017bd3),
+ X(0x000273de), X(0x0003a9eb), X(0x00051df9), X(0x0006d007),
+ X(0x0008c014), X(0x000aee1e), X(0x000d5a25), X(0x00100428),
+ X(0x0012ec23), X(0x00161216), X(0x001975fe), X(0x001d17da),
+ X(0x0020f7a8), X(0x00251564), X(0x0029710c), X(0x002e0a9e),
+ X(0x0032e217), X(0x0037f773), X(0x003d4ab0), X(0x0042dbca),
+ X(0x0048aabe), X(0x004eb788), X(0x00550224), X(0x005b8a8f),
+ X(0x006250c5), X(0x006954c1), X(0x0070967e), X(0x007815f9),
+ X(0x007fd32c), X(0x0087ce13), X(0x009006a9), X(0x00987ce9),
+ X(0x00a130cc), X(0x00aa224f), X(0x00b3516b), X(0x00bcbe1a),
+ X(0x00c66856), X(0x00d0501a), X(0x00da755f), X(0x00e4d81f),
+ X(0x00ef7853), X(0x00fa55f4), X(0x010570fc), X(0x0110c963),
+ X(0x011c5f22), X(0x01283232), X(0x0134428c), X(0x01409027),
+ X(0x014d1afb), X(0x0159e302), X(0x0166e831), X(0x01742a82),
+ X(0x0181a9ec), X(0x018f6665), X(0x019d5fe5), X(0x01ab9663),
+ X(0x01ba09d6), X(0x01c8ba34), X(0x01d7a775), X(0x01e6d18d),
+ X(0x01f63873), X(0x0205dc1e), X(0x0215bc82), X(0x0225d997),
+ X(0x02363350), X(0x0246c9a3), X(0x02579c86), X(0x0268abed),
+ X(0x0279f7cc), X(0x028b801a), X(0x029d44c9), X(0x02af45ce),
+ X(0x02c1831d), X(0x02d3fcaa), X(0x02e6b269), X(0x02f9a44c),
+ X(0x030cd248), X(0x03203c4f), X(0x0333e255), X(0x0347c44b),
+ X(0x035be225), X(0x03703bd5), X(0x0384d14d), X(0x0399a280),
+ X(0x03aeaf5e), X(0x03c3f7d9), X(0x03d97be4), X(0x03ef3b6e),
+ X(0x0405366a), X(0x041b6cc8), X(0x0431de78), X(0x04488b6c),
+ X(0x045f7393), X(0x047696dd), X(0x048df53b), X(0x04a58e9b),
+ X(0x04bd62ee), X(0x04d57223), X(0x04edbc28), X(0x050640ed),
+ X(0x051f0060), X(0x0537fa70), X(0x05512f0a), X(0x056a9e1e),
+ X(0x05844798), X(0x059e2b67), X(0x05b84978), X(0x05d2a1b8),
+ X(0x05ed3414), X(0x06080079), X(0x062306d3), X(0x063e470f),
+ X(0x0659c119), X(0x067574dd), X(0x06916247), X(0x06ad8941),
+ X(0x06c9e9b8), X(0x06e68397), X(0x070356c8), X(0x07206336),
+ X(0x073da8cb), X(0x075b2772), X(0x0778df15), X(0x0796cf9c),
+ X(0x07b4f8f3), X(0x07d35b01), X(0x07f1f5b1), X(0x0810c8eb),
+ X(0x082fd497), X(0x084f189e), X(0x086e94e9), X(0x088e495e),
+ X(0x08ae35e6), X(0x08ce5a68), X(0x08eeb6cc), X(0x090f4af8),
+ X(0x093016d3), X(0x09511a44), X(0x09725530), X(0x0993c77f),
+ X(0x09b57115), X(0x09d751d8), X(0x09f969ae), X(0x0a1bb87c),
+ X(0x0a3e3e26), X(0x0a60fa91), X(0x0a83eda2), X(0x0aa7173c),
+ X(0x0aca7743), X(0x0aee0d9b), X(0x0b11da28), X(0x0b35dccc),
+ X(0x0b5a156a), X(0x0b7e83e5), X(0x0ba3281f), X(0x0bc801fa),
+ X(0x0bed1159), X(0x0c12561c), X(0x0c37d025), X(0x0c5d7f55),
+ X(0x0c83638d), X(0x0ca97cae), X(0x0ccfca97), X(0x0cf64d2a),
+ X(0x0d1d0444), X(0x0d43efc7), X(0x0d6b0f92), X(0x0d926383),
+ X(0x0db9eb79), X(0x0de1a752), X(0x0e0996ee), X(0x0e31ba29),
+ X(0x0e5a10e2), X(0x0e829af6), X(0x0eab5841), X(0x0ed448a2),
+ X(0x0efd6bf4), X(0x0f26c214), X(0x0f504ade), X(0x0f7a062e),
+ X(0x0fa3f3df), X(0x0fce13cd), X(0x0ff865d2), X(0x1022e9ca),
+ X(0x104d9f8e), X(0x107886f9), X(0x10a39fe5), X(0x10ceea2c),
+ X(0x10fa65a6), X(0x1126122d), X(0x1151ef9a), X(0x117dfdc5),
+ X(0x11aa3c87), X(0x11d6abb6), X(0x12034b2c), X(0x12301ac0),
+ X(0x125d1a48), X(0x128a499b), X(0x12b7a891), X(0x12e536ff),
+ X(0x1312f4bb), X(0x1340e19c), X(0x136efd75), X(0x139d481e),
+ X(0x13cbc16a), X(0x13fa692f), X(0x14293f40), X(0x14584371),
+ X(0x14877597), X(0x14b6d585), X(0x14e6630d), X(0x15161e04),
+ X(0x1546063b), X(0x15761b85), X(0x15a65db3), X(0x15d6cc99),
+ X(0x16076806), X(0x16382fcd), X(0x166923bf), X(0x169a43ab),
+ X(0x16cb8f62), X(0x16fd06b5), X(0x172ea973), X(0x1760776b),
+ X(0x1792706e), X(0x17c49449), X(0x17f6e2cb), X(0x18295bc3),
+ X(0x185bfeff), X(0x188ecc4c), X(0x18c1c379), X(0x18f4e452),
+ X(0x19282ea4), X(0x195ba23c), X(0x198f3ee6), X(0x19c3046e),
+ X(0x19f6f2a1), X(0x1a2b094a), X(0x1a5f4833), X(0x1a93af28),
+ X(0x1ac83df3), X(0x1afcf460), X(0x1b31d237), X(0x1b66d744),
+ X(0x1b9c034e), X(0x1bd15621), X(0x1c06cf84), X(0x1c3c6f40),
+ X(0x1c72351e), X(0x1ca820e6), X(0x1cde3260), X(0x1d146953),
+ X(0x1d4ac587), X(0x1d8146c3), X(0x1db7eccd), X(0x1deeb76c),
+ X(0x1e25a667), X(0x1e5cb982), X(0x1e93f085), X(0x1ecb4b33),
+ X(0x1f02c953), X(0x1f3a6aaa), X(0x1f722efb), X(0x1faa160b),
+ X(0x1fe21f9e), X(0x201a4b79), X(0x2052995d), X(0x208b0910),
+ X(0x20c39a53), X(0x20fc4cea), X(0x21352097), X(0x216e151c),
+ X(0x21a72a3a), X(0x21e05fb5), X(0x2219b54d), X(0x22532ac3),
+ X(0x228cbfd8), X(0x22c6744d), X(0x230047e2), X(0x233a3a58),
+ X(0x23744b6d), X(0x23ae7ae3), X(0x23e8c878), X(0x242333ec),
+ X(0x245dbcfd), X(0x24986369), X(0x24d326f1), X(0x250e0750),
+ X(0x25490446), X(0x25841d90), X(0x25bf52ec), X(0x25faa417),
+ X(0x263610cd), X(0x267198cc), X(0x26ad3bcf), X(0x26e8f994),
+ X(0x2724d1d6), X(0x2760c451), X(0x279cd0c0), X(0x27d8f6e0),
+ X(0x2815366a), X(0x28518f1b), X(0x288e00ac), X(0x28ca8ad8),
+ X(0x29072d5a), X(0x2943e7eb), X(0x2980ba45), X(0x29bda422),
+ X(0x29faa53c), X(0x2a37bd4a), X(0x2a74ec07), X(0x2ab2312b),
+ X(0x2aef8c6f), X(0x2b2cfd8b), X(0x2b6a8437), X(0x2ba8202c),
+ X(0x2be5d120), X(0x2c2396cc), X(0x2c6170e7), X(0x2c9f5f29),
+ X(0x2cdd6147), X(0x2d1b76fa), X(0x2d599ff7), X(0x2d97dbf5),
+ X(0x2dd62aab), X(0x2e148bcf), X(0x2e52ff16), X(0x2e918436),
+ X(0x2ed01ae5), X(0x2f0ec2d9), X(0x2f4d7bc6), X(0x2f8c4562),
+ X(0x2fcb1f62), X(0x300a097a), X(0x3049035f), X(0x30880cc6),
+ X(0x30c72563), X(0x31064cea), X(0x3145830f), X(0x3184c786),
+ X(0x31c41a03), X(0x32037a39), X(0x3242e7dc), X(0x3282629f),
+ X(0x32c1ea36), X(0x33017e53), X(0x33411ea9), X(0x3380caec),
+ X(0x33c082ce), X(0x34004602), X(0x34401439), X(0x347fed27),
+ X(0x34bfd07e), X(0x34ffbdf0), X(0x353fb52e), X(0x357fb5ec),
+ X(0x35bfbfda), X(0x35ffd2aa), X(0x363fee0f), X(0x368011b9),
+ X(0x36c03d5a), X(0x370070a4), X(0x3740ab48), X(0x3780ecf7),
+ X(0x37c13562), X(0x3801843a), X(0x3841d931), X(0x388233f7),
+ X(0x38c2943d), X(0x3902f9b4), X(0x3943640d), X(0x3983d2f8),
+ X(0x39c44626), X(0x3a04bd48), X(0x3a45380e), X(0x3a85b62a),
+ X(0x3ac6374a), X(0x3b06bb20), X(0x3b47415c), X(0x3b87c9ae),
+ X(0x3bc853c7), X(0x3c08df57), X(0x3c496c0f), X(0x3c89f99f),
+ X(0x3cca87b6), X(0x3d0b1605), X(0x3d4ba43d), X(0x3d8c320e),
+ X(0x3dccbf27), X(0x3e0d4b3a), X(0x3e4dd5f6), X(0x3e8e5f0c),
+ X(0x3ecee62b), X(0x3f0f6b05), X(0x3f4fed49), X(0x3f906ca8),
+ X(0x3fd0e8d2), X(0x40116177), X(0x4051d648), X(0x409246f6),
+ X(0x40d2b330), X(0x41131aa7), X(0x41537d0c), X(0x4193da10),
+ X(0x41d43162), X(0x421482b4), X(0x4254cdb7), X(0x4295121b),
+ X(0x42d54f91), X(0x431585ca), X(0x4355b477), X(0x4395db49),
+ X(0x43d5f9f1), X(0x44161021), X(0x44561d8a), X(0x449621dd),
+ X(0x44d61ccc), X(0x45160e08), X(0x4555f544), X(0x4595d230),
+ X(0x45d5a47f), X(0x46156be3), X(0x4655280e), X(0x4694d8b2),
+ X(0x46d47d82), X(0x4714162f), X(0x4753a26d), X(0x479321ef),
+ X(0x47d29466), X(0x4811f987), X(0x48515104), X(0x48909a91),
+ X(0x48cfd5e1), X(0x490f02a7), X(0x494e2098), X(0x498d2f66),
+ X(0x49cc2ec7), X(0x4a0b1e6f), X(0x4a49fe11), X(0x4a88cd62),
+ X(0x4ac78c18), X(0x4b0639e6), X(0x4b44d683), X(0x4b8361a2),
+ X(0x4bc1dafa), X(0x4c004241), X(0x4c3e972c), X(0x4c7cd970),
+ X(0x4cbb08c5), X(0x4cf924e1), X(0x4d372d7a), X(0x4d752247),
+ X(0x4db30300), X(0x4df0cf5a), X(0x4e2e870f), X(0x4e6c29d6),
+ X(0x4ea9b766), X(0x4ee72f78), X(0x4f2491c4), X(0x4f61de02),
+ X(0x4f9f13ec), X(0x4fdc333b), X(0x50193ba8), X(0x50562ced),
+ X(0x509306c3), X(0x50cfc8e5), X(0x510c730d), X(0x514904f6),
+ X(0x51857e5a), X(0x51c1def5), X(0x51fe2682), X(0x523a54bc),
+ X(0x52766961), X(0x52b2642c), X(0x52ee44d9), X(0x532a0b26),
+ X(0x5365b6d0), X(0x53a14793), X(0x53dcbd2f), X(0x54181760),
+ X(0x545355e5), X(0x548e787d), X(0x54c97ee6), X(0x550468e1),
+ X(0x553f362c), X(0x5579e687), X(0x55b479b3), X(0x55eeef70),
+ X(0x5629477f), X(0x566381a1), X(0x569d9d97), X(0x56d79b24),
+ X(0x57117a0a), X(0x574b3a0a), X(0x5784dae9), X(0x57be5c69),
+ X(0x57f7be4d), X(0x5831005a), X(0x586a2254), X(0x58a32400),
+ X(0x58dc0522), X(0x5914c57f), X(0x594d64de), X(0x5985e305),
+ X(0x59be3fba), X(0x59f67ac3), X(0x5a2e93e9), X(0x5a668af2),
+ X(0x5a9e5fa6), X(0x5ad611ce), X(0x5b0da133), X(0x5b450d9d),
+ X(0x5b7c56d7), X(0x5bb37ca9), X(0x5bea7ede), X(0x5c215d41),
+ X(0x5c58179d), X(0x5c8eadbe), X(0x5cc51f6f), X(0x5cfb6c7c),
+ X(0x5d3194b2), X(0x5d6797de), X(0x5d9d75cf), X(0x5dd32e51),
+ X(0x5e08c132), X(0x5e3e2e43), X(0x5e737551), X(0x5ea8962d),
+ X(0x5edd90a7), X(0x5f12648e), X(0x5f4711b4), X(0x5f7b97ea),
+ X(0x5faff702), X(0x5fe42ece), X(0x60183f20), X(0x604c27cc),
+ X(0x607fe8a6), X(0x60b38180), X(0x60e6f22f), X(0x611a3a89),
+ X(0x614d5a62), X(0x61805190), X(0x61b31fe9), X(0x61e5c545),
+ X(0x62184179), X(0x624a945d), X(0x627cbdca), X(0x62aebd98),
+ X(0x62e0939f), X(0x63123fba), X(0x6343c1c1), X(0x6375198f),
+ X(0x63a646ff), X(0x63d749ec), X(0x64082232), X(0x6438cfad),
+ X(0x64695238), X(0x6499a9b3), X(0x64c9d5f9), X(0x64f9d6ea),
+ X(0x6529ac63), X(0x65595643), X(0x6588d46a), X(0x65b826b8),
+ X(0x65e74d0e), X(0x6616474b), X(0x66451552), X(0x6673b704),
+ X(0x66a22c44), X(0x66d074f4), X(0x66fe90f8), X(0x672c8033),
+ X(0x675a428a), X(0x6787d7e1), X(0x67b5401f), X(0x67e27b27),
+ X(0x680f88e1), X(0x683c6934), X(0x68691c05), X(0x6895a13e),
+ X(0x68c1f8c7), X(0x68ee2287), X(0x691a1e68), X(0x6945ec54),
+ X(0x69718c35), X(0x699cfdf5), X(0x69c8417f), X(0x69f356c0),
+ X(0x6a1e3da3), X(0x6a48f615), X(0x6a738002), X(0x6a9ddb5a),
+ X(0x6ac80808), X(0x6af205fd), X(0x6b1bd526), X(0x6b457575),
+ X(0x6b6ee6d8), X(0x6b982940), X(0x6bc13c9f), X(0x6bea20e5),
+ X(0x6c12d605), X(0x6c3b5bf1), X(0x6c63b29c), X(0x6c8bd9fb),
+ X(0x6cb3d200), X(0x6cdb9aa0), X(0x6d0333d0), X(0x6d2a9d86),
+ X(0x6d51d7b7), X(0x6d78e25a), X(0x6d9fbd67), X(0x6dc668d3),
+ X(0x6dece498), X(0x6e1330ad), X(0x6e394d0c), X(0x6e5f39ae),
+ X(0x6e84f68d), X(0x6eaa83a2), X(0x6ecfe0ea), X(0x6ef50e5e),
+ X(0x6f1a0bfc), X(0x6f3ed9bf), X(0x6f6377a4), X(0x6f87e5a8),
+ X(0x6fac23c9), X(0x6fd03206), X(0x6ff4105c), X(0x7017becc),
+ X(0x703b3d54), X(0x705e8bf5), X(0x7081aaaf), X(0x70a49984),
+ X(0x70c75874), X(0x70e9e783), X(0x710c46b2), X(0x712e7605),
+ X(0x7150757f), X(0x71724523), X(0x7193e4f6), X(0x71b554fd),
+ X(0x71d6953e), X(0x71f7a5bd), X(0x72188681), X(0x72393792),
+ X(0x7259b8f5), X(0x727a0ab2), X(0x729a2cd2), X(0x72ba1f5d),
+ X(0x72d9e25c), X(0x72f975d8), X(0x7318d9db), X(0x73380e6f),
+ X(0x735713a0), X(0x7375e978), X(0x73949003), X(0x73b3074c),
+ X(0x73d14f61), X(0x73ef684f), X(0x740d5222), X(0x742b0ce9),
+ X(0x744898b1), X(0x7465f589), X(0x74832381), X(0x74a022a8),
+ X(0x74bcf30e), X(0x74d994c3), X(0x74f607d8), X(0x75124c5f),
+ X(0x752e6268), X(0x754a4a05), X(0x7566034b), X(0x75818e4a),
+ X(0x759ceb16), X(0x75b819c4), X(0x75d31a66), X(0x75eded12),
+ X(0x760891dc), X(0x762308da), X(0x763d5221), X(0x76576dc8),
+ X(0x76715be4), X(0x768b1c8c), X(0x76a4afd9), X(0x76be15e0),
+ X(0x76d74ebb), X(0x76f05a82), X(0x7709394d), X(0x7721eb35),
+ X(0x773a7054), X(0x7752c8c4), X(0x776af49f), X(0x7782f400),
+ X(0x779ac701), X(0x77b26dbd), X(0x77c9e851), X(0x77e136d8),
+ X(0x77f8596f), X(0x780f5032), X(0x78261b3f), X(0x783cbab2),
+ X(0x78532eaa), X(0x78697745), X(0x787f94a0), X(0x789586db),
+ X(0x78ab4e15), X(0x78c0ea6d), X(0x78d65c03), X(0x78eba2f7),
+ X(0x7900bf68), X(0x7915b179), X(0x792a7949), X(0x793f16fb),
+ X(0x79538aaf), X(0x7967d488), X(0x797bf4a8), X(0x798feb31),
+ X(0x79a3b846), X(0x79b75c0a), X(0x79cad6a1), X(0x79de282e),
+ X(0x79f150d5), X(0x7a0450bb), X(0x7a172803), X(0x7a29d6d3),
+ X(0x7a3c5d50), X(0x7a4ebb9f), X(0x7a60f1e6), X(0x7a73004a),
+ X(0x7a84e6f2), X(0x7a96a604), X(0x7aa83da7), X(0x7ab9ae01),
+ X(0x7acaf73a), X(0x7adc1979), X(0x7aed14e6), X(0x7afde9a8),
+ X(0x7b0e97e8), X(0x7b1f1fcd), X(0x7b2f8182), X(0x7b3fbd2d),
+ X(0x7b4fd2f9), X(0x7b5fc30f), X(0x7b6f8d98), X(0x7b7f32bd),
+ X(0x7b8eb2a9), X(0x7b9e0d85), X(0x7bad437d), X(0x7bbc54b9),
+ X(0x7bcb4166), X(0x7bda09ae), X(0x7be8adbc), X(0x7bf72dbc),
+ X(0x7c0589d8), X(0x7c13c23d), X(0x7c21d716), X(0x7c2fc88f),
+ X(0x7c3d96d5), X(0x7c4b4214), X(0x7c58ca78), X(0x7c66302d),
+ X(0x7c737362), X(0x7c809443), X(0x7c8d92fc), X(0x7c9a6fbc),
+ X(0x7ca72aaf), X(0x7cb3c404), X(0x7cc03be8), X(0x7ccc9288),
+ X(0x7cd8c814), X(0x7ce4dcb9), X(0x7cf0d0a5), X(0x7cfca406),
+ X(0x7d08570c), X(0x7d13e9e5), X(0x7d1f5cbf), X(0x7d2aafca),
+ X(0x7d35e335), X(0x7d40f72e), X(0x7d4bebe4), X(0x7d56c188),
+ X(0x7d617848), X(0x7d6c1054), X(0x7d7689db), X(0x7d80e50e),
+ X(0x7d8b221b), X(0x7d954133), X(0x7d9f4286), X(0x7da92643),
+ X(0x7db2ec9b), X(0x7dbc95bd), X(0x7dc621da), X(0x7dcf9123),
+ X(0x7dd8e3c6), X(0x7de219f6), X(0x7deb33e2), X(0x7df431ba),
+ X(0x7dfd13af), X(0x7e05d9f2), X(0x7e0e84b4), X(0x7e171424),
+ X(0x7e1f8874), X(0x7e27e1d4), X(0x7e302074), X(0x7e384487),
+ X(0x7e404e3c), X(0x7e483dc4), X(0x7e501350), X(0x7e57cf11),
+ X(0x7e5f7138), X(0x7e66f9f4), X(0x7e6e6979), X(0x7e75bff5),
+ X(0x7e7cfd9a), X(0x7e842298), X(0x7e8b2f22), X(0x7e922366),
+ X(0x7e98ff97), X(0x7e9fc3e4), X(0x7ea6707f), X(0x7ead0598),
+ X(0x7eb38360), X(0x7eb9ea07), X(0x7ec039bf), X(0x7ec672b7),
+ X(0x7ecc9521), X(0x7ed2a12c), X(0x7ed8970a), X(0x7ede76ea),
+ X(0x7ee440fd), X(0x7ee9f573), X(0x7eef947d), X(0x7ef51e4b),
+ X(0x7efa930d), X(0x7efff2f2), X(0x7f053e2b), X(0x7f0a74e8),
+ X(0x7f0f9758), X(0x7f14a5ac), X(0x7f19a013), X(0x7f1e86bc),
+ X(0x7f2359d8), X(0x7f281995), X(0x7f2cc623), X(0x7f315fb1),
+ X(0x7f35e66e), X(0x7f3a5a8a), X(0x7f3ebc33), X(0x7f430b98),
+ X(0x7f4748e7), X(0x7f4b7450), X(0x7f4f8e01), X(0x7f539629),
+ X(0x7f578cf5), X(0x7f5b7293), X(0x7f5f4732), X(0x7f630b00),
+ X(0x7f66be2b), X(0x7f6a60df), X(0x7f6df34b), X(0x7f71759b),
+ X(0x7f74e7fe), X(0x7f784aa0), X(0x7f7b9daf), X(0x7f7ee156),
+ X(0x7f8215c3), X(0x7f853b22), X(0x7f88519f), X(0x7f8b5967),
+ X(0x7f8e52a6), X(0x7f913d87), X(0x7f941a36), X(0x7f96e8df),
+ X(0x7f99a9ad), X(0x7f9c5ccb), X(0x7f9f0265), X(0x7fa19aa5),
+ X(0x7fa425b5), X(0x7fa6a3c1), X(0x7fa914f3), X(0x7fab7974),
+ X(0x7fadd16f), X(0x7fb01d0d), X(0x7fb25c78), X(0x7fb48fd9),
+ X(0x7fb6b75a), X(0x7fb8d323), X(0x7fbae35d), X(0x7fbce831),
+ X(0x7fbee1c7), X(0x7fc0d047), X(0x7fc2b3d9), X(0x7fc48ca5),
+ X(0x7fc65ad3), X(0x7fc81e88), X(0x7fc9d7ee), X(0x7fcb872a),
+ X(0x7fcd2c63), X(0x7fcec7bf), X(0x7fd05966), X(0x7fd1e17c),
+ X(0x7fd36027), X(0x7fd4d58d), X(0x7fd641d3), X(0x7fd7a51e),
+ X(0x7fd8ff94), X(0x7fda5157), X(0x7fdb9a8e), X(0x7fdcdb5b),
+ X(0x7fde13e2), X(0x7fdf4448), X(0x7fe06caf), X(0x7fe18d3b),
+ X(0x7fe2a60e), X(0x7fe3b74b), X(0x7fe4c114), X(0x7fe5c38b),
+ X(0x7fe6bed2), X(0x7fe7b30a), X(0x7fe8a055), X(0x7fe986d4),
+ X(0x7fea66a7), X(0x7feb3ff0), X(0x7fec12cd), X(0x7fecdf5f),
+ X(0x7feda5c5), X(0x7fee6620), X(0x7fef208d), X(0x7fefd52c),
+ X(0x7ff0841c), X(0x7ff12d7a), X(0x7ff1d164), X(0x7ff26ff9),
+ X(0x7ff30955), X(0x7ff39d96), X(0x7ff42cd9), X(0x7ff4b739),
+ X(0x7ff53cd4), X(0x7ff5bdc5), X(0x7ff63a28), X(0x7ff6b217),
+ X(0x7ff725af), X(0x7ff7950a), X(0x7ff80043), X(0x7ff86773),
+ X(0x7ff8cab4), X(0x7ff92a21), X(0x7ff985d1), X(0x7ff9dddf),
+ X(0x7ffa3262), X(0x7ffa8374), X(0x7ffad12c), X(0x7ffb1ba1),
+ X(0x7ffb62ec), X(0x7ffba723), X(0x7ffbe85c), X(0x7ffc26b0),
+ X(0x7ffc6233), X(0x7ffc9afb), X(0x7ffcd11e), X(0x7ffd04b1),
+ X(0x7ffd35c9), X(0x7ffd647b), X(0x7ffd90da), X(0x7ffdbafa),
+ X(0x7ffde2f0), X(0x7ffe08ce), X(0x7ffe2ca7), X(0x7ffe4e8e),
+ X(0x7ffe6e95), X(0x7ffe8cce), X(0x7ffea94a), X(0x7ffec41b),
+ X(0x7ffedd52), X(0x7ffef4ff), X(0x7fff0b33), X(0x7fff1ffd),
+ X(0x7fff336e), X(0x7fff4593), X(0x7fff567d), X(0x7fff663a),
+ X(0x7fff74d8), X(0x7fff8265), X(0x7fff8eee), X(0x7fff9a81),
+ X(0x7fffa52b), X(0x7fffaef8), X(0x7fffb7f5), X(0x7fffc02d),
+ X(0x7fffc7ab), X(0x7fffce7c), X(0x7fffd4a9), X(0x7fffda3e),
+ X(0x7fffdf44), X(0x7fffe3c6), X(0x7fffe7cc), X(0x7fffeb60),
+ X(0x7fffee8a), X(0x7ffff153), X(0x7ffff3c4), X(0x7ffff5e3),
+ X(0x7ffff7b8), X(0x7ffff94b), X(0x7ffffaa1), X(0x7ffffbc1),
+ X(0x7ffffcb2), X(0x7ffffd78), X(0x7ffffe19), X(0x7ffffe9a),
+ X(0x7ffffeff), X(0x7fffff4e), X(0x7fffff89), X(0x7fffffb3),
+ X(0x7fffffd2), X(0x7fffffe6), X(0x7ffffff3), X(0x7ffffffa),
+ X(0x7ffffffe), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff),
+};
+
+static const LOOKUP_T vwin4096[2048] = {
+ X(0x000001f0), X(0x00001171), X(0x00003072), X(0x00005ef5),
+ X(0x00009cf8), X(0x0000ea7c), X(0x00014780), X(0x0001b405),
+ X(0x0002300b), X(0x0002bb91), X(0x00035698), X(0x0004011e),
+ X(0x0004bb25), X(0x000584ac), X(0x00065db3), X(0x0007463a),
+ X(0x00083e41), X(0x000945c7), X(0x000a5ccc), X(0x000b8350),
+ X(0x000cb954), X(0x000dfed7), X(0x000f53d8), X(0x0010b857),
+ X(0x00122c55), X(0x0013afd1), X(0x001542ca), X(0x0016e541),
+ X(0x00189735), X(0x001a58a7), X(0x001c2995), X(0x001e09ff),
+ X(0x001ff9e6), X(0x0021f948), X(0x00240826), X(0x00262680),
+ X(0x00285454), X(0x002a91a3), X(0x002cde6c), X(0x002f3aaf),
+ X(0x0031a66b), X(0x003421a0), X(0x0036ac4f), X(0x00394675),
+ X(0x003bf014), X(0x003ea92a), X(0x004171b7), X(0x004449bb),
+ X(0x00473135), X(0x004a2824), X(0x004d2e8a), X(0x00504463),
+ X(0x005369b2), X(0x00569e74), X(0x0059e2aa), X(0x005d3652),
+ X(0x0060996d), X(0x00640bf9), X(0x00678df7), X(0x006b1f66),
+ X(0x006ec045), X(0x00727093), X(0x00763051), X(0x0079ff7d),
+ X(0x007dde16), X(0x0081cc1d), X(0x0085c991), X(0x0089d671),
+ X(0x008df2bc), X(0x00921e71), X(0x00965991), X(0x009aa41a),
+ X(0x009efe0c), X(0x00a36766), X(0x00a7e028), X(0x00ac6850),
+ X(0x00b0ffde), X(0x00b5a6d1), X(0x00ba5d28), X(0x00bf22e4),
+ X(0x00c3f802), X(0x00c8dc83), X(0x00cdd065), X(0x00d2d3a8),
+ X(0x00d7e64a), X(0x00dd084c), X(0x00e239ac), X(0x00e77a69),
+ X(0x00ecca83), X(0x00f229f9), X(0x00f798ca), X(0x00fd16f5),
+ X(0x0102a479), X(0x01084155), X(0x010ded89), X(0x0113a913),
+ X(0x011973f3), X(0x011f4e27), X(0x012537af), X(0x012b308a),
+ X(0x013138b7), X(0x01375035), X(0x013d7702), X(0x0143ad1f),
+ X(0x0149f289), X(0x01504741), X(0x0156ab44), X(0x015d1e92),
+ X(0x0163a12a), X(0x016a330b), X(0x0170d433), X(0x017784a3),
+ X(0x017e4458), X(0x01851351), X(0x018bf18e), X(0x0192df0d),
+ X(0x0199dbcd), X(0x01a0e7cd), X(0x01a8030c), X(0x01af2d89),
+ X(0x01b66743), X(0x01bdb038), X(0x01c50867), X(0x01cc6fd0),
+ X(0x01d3e670), X(0x01db6c47), X(0x01e30153), X(0x01eaa593),
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+ X(0x7e7b3082), X(0x7e7ec927), X(0x7e825ba6), X(0x7e85e804),
+ X(0x7e896e48), X(0x7e8cee77), X(0x7e906899), X(0x7e93dcb2),
+ X(0x7e974aca), X(0x7e9ab2e5), X(0x7e9e150b), X(0x7ea17141),
+ X(0x7ea4c78e), X(0x7ea817f7), X(0x7eab6283), X(0x7eaea737),
+ X(0x7eb1e61a), X(0x7eb51f33), X(0x7eb85285), X(0x7ebb8019),
+ X(0x7ebea7f4), X(0x7ec1ca1d), X(0x7ec4e698), X(0x7ec7fd6d),
+ X(0x7ecb0ea1), X(0x7ece1a3a), X(0x7ed1203f), X(0x7ed420b6),
+ X(0x7ed71ba4), X(0x7eda110f), X(0x7edd00ff), X(0x7edfeb78),
+ X(0x7ee2d081), X(0x7ee5b01f), X(0x7ee88a5a), X(0x7eeb5f36),
+ X(0x7eee2eba), X(0x7ef0f8ed), X(0x7ef3bdd3), X(0x7ef67d73),
+ X(0x7ef937d3), X(0x7efbecf9), X(0x7efe9ceb), X(0x7f0147ae),
+ X(0x7f03ed4a), X(0x7f068dc4), X(0x7f092922), X(0x7f0bbf69),
+ X(0x7f0e50a1), X(0x7f10dcce), X(0x7f1363f7), X(0x7f15e622),
+ X(0x7f186355), X(0x7f1adb95), X(0x7f1d4ee9), X(0x7f1fbd57),
+ X(0x7f2226e4), X(0x7f248b96), X(0x7f26eb74), X(0x7f294683),
+ X(0x7f2b9cc9), X(0x7f2dee4d), X(0x7f303b13), X(0x7f328322),
+ X(0x7f34c680), X(0x7f370533), X(0x7f393f40), X(0x7f3b74ad),
+ X(0x7f3da581), X(0x7f3fd1c1), X(0x7f41f972), X(0x7f441c9c),
+ X(0x7f463b43), X(0x7f48556d), X(0x7f4a6b21), X(0x7f4c7c64),
+ X(0x7f4e893c), X(0x7f5091ae), X(0x7f5295c1), X(0x7f54957a),
+ X(0x7f5690e0), X(0x7f5887f7), X(0x7f5a7ac5), X(0x7f5c6951),
+ X(0x7f5e53a0), X(0x7f6039b8), X(0x7f621b9e), X(0x7f63f958),
+ X(0x7f65d2ed), X(0x7f67a861), X(0x7f6979ba), X(0x7f6b46ff),
+ X(0x7f6d1034), X(0x7f6ed560), X(0x7f709687), X(0x7f7253b1),
+ X(0x7f740ce1), X(0x7f75c21f), X(0x7f777370), X(0x7f7920d8),
+ X(0x7f7aca5f), X(0x7f7c7008), X(0x7f7e11db), X(0x7f7fafdd),
+ X(0x7f814a13), X(0x7f82e082), X(0x7f847331), X(0x7f860224),
+ X(0x7f878d62), X(0x7f8914f0), X(0x7f8a98d4), X(0x7f8c1912),
+ X(0x7f8d95b0), X(0x7f8f0eb5), X(0x7f908425), X(0x7f91f605),
+ X(0x7f93645c), X(0x7f94cf2f), X(0x7f963683), X(0x7f979a5d),
+ X(0x7f98fac4), X(0x7f9a57bb), X(0x7f9bb14a), X(0x7f9d0775),
+ X(0x7f9e5a41), X(0x7f9fa9b4), X(0x7fa0f5d3), X(0x7fa23ea4),
+ X(0x7fa3842b), X(0x7fa4c66f), X(0x7fa60575), X(0x7fa74141),
+ X(0x7fa879d9), X(0x7fa9af42), X(0x7faae182), X(0x7fac109e),
+ X(0x7fad3c9a), X(0x7fae657d), X(0x7faf8b4c), X(0x7fb0ae0b),
+ X(0x7fb1cdc0), X(0x7fb2ea70), X(0x7fb40420), X(0x7fb51ad5),
+ X(0x7fb62e95), X(0x7fb73f64), X(0x7fb84d48), X(0x7fb95846),
+ X(0x7fba6062), X(0x7fbb65a2), X(0x7fbc680c), X(0x7fbd67a3),
+ X(0x7fbe646d), X(0x7fbf5e70), X(0x7fc055af), X(0x7fc14a31),
+ X(0x7fc23bf9), X(0x7fc32b0d), X(0x7fc41773), X(0x7fc5012e),
+ X(0x7fc5e844), X(0x7fc6ccba), X(0x7fc7ae94), X(0x7fc88dd8),
+ X(0x7fc96a8a), X(0x7fca44af), X(0x7fcb1c4c), X(0x7fcbf167),
+ X(0x7fccc403), X(0x7fcd9425), X(0x7fce61d3), X(0x7fcf2d11),
+ X(0x7fcff5e3), X(0x7fd0bc4f), X(0x7fd1805a), X(0x7fd24207),
+ X(0x7fd3015c), X(0x7fd3be5d), X(0x7fd47910), X(0x7fd53178),
+ X(0x7fd5e79b), X(0x7fd69b7c), X(0x7fd74d21), X(0x7fd7fc8e),
+ X(0x7fd8a9c8), X(0x7fd954d4), X(0x7fd9fdb5), X(0x7fdaa471),
+ X(0x7fdb490b), X(0x7fdbeb89), X(0x7fdc8bef), X(0x7fdd2a42),
+ X(0x7fddc685), X(0x7fde60be), X(0x7fdef8f0), X(0x7fdf8f20),
+ X(0x7fe02353), X(0x7fe0b58d), X(0x7fe145d3), X(0x7fe1d428),
+ X(0x7fe26091), X(0x7fe2eb12), X(0x7fe373b0), X(0x7fe3fa6f),
+ X(0x7fe47f53), X(0x7fe50260), X(0x7fe5839b), X(0x7fe60308),
+ X(0x7fe680ab), X(0x7fe6fc88), X(0x7fe776a4), X(0x7fe7ef02),
+ X(0x7fe865a7), X(0x7fe8da97), X(0x7fe94dd6), X(0x7fe9bf68),
+ X(0x7fea2f51), X(0x7fea9d95), X(0x7feb0a39), X(0x7feb7540),
+ X(0x7febdeae), X(0x7fec4687), X(0x7fecaccf), X(0x7fed118b),
+ X(0x7fed74be), X(0x7fedd66c), X(0x7fee3698), X(0x7fee9548),
+ X(0x7feef27e), X(0x7fef4e3f), X(0x7fefa88e), X(0x7ff0016f),
+ X(0x7ff058e7), X(0x7ff0aef8), X(0x7ff103a6), X(0x7ff156f6),
+ X(0x7ff1a8eb), X(0x7ff1f988), X(0x7ff248d2), X(0x7ff296cc),
+ X(0x7ff2e37a), X(0x7ff32edf), X(0x7ff378ff), X(0x7ff3c1de),
+ X(0x7ff4097e), X(0x7ff44fe5), X(0x7ff49515), X(0x7ff4d911),
+ X(0x7ff51bde), X(0x7ff55d7f), X(0x7ff59df7), X(0x7ff5dd4a),
+ X(0x7ff61b7b), X(0x7ff6588d), X(0x7ff69485), X(0x7ff6cf65),
+ X(0x7ff70930), X(0x7ff741eb), X(0x7ff77998), X(0x7ff7b03b),
+ X(0x7ff7e5d7), X(0x7ff81a6f), X(0x7ff84e06), X(0x7ff880a1),
+ X(0x7ff8b241), X(0x7ff8e2ea), X(0x7ff912a0), X(0x7ff94165),
+ X(0x7ff96f3d), X(0x7ff99c2b), X(0x7ff9c831), X(0x7ff9f354),
+ X(0x7ffa1d95), X(0x7ffa46f9), X(0x7ffa6f81), X(0x7ffa9731),
+ X(0x7ffabe0d), X(0x7ffae416), X(0x7ffb0951), X(0x7ffb2dbf),
+ X(0x7ffb5164), X(0x7ffb7442), X(0x7ffb965d), X(0x7ffbb7b8),
+ X(0x7ffbd854), X(0x7ffbf836), X(0x7ffc175f), X(0x7ffc35d3),
+ X(0x7ffc5394), X(0x7ffc70a5), X(0x7ffc8d09), X(0x7ffca8c2),
+ X(0x7ffcc3d4), X(0x7ffcde3f), X(0x7ffcf809), X(0x7ffd1132),
+ X(0x7ffd29be), X(0x7ffd41ae), X(0x7ffd5907), X(0x7ffd6fc9),
+ X(0x7ffd85f9), X(0x7ffd9b97), X(0x7ffdb0a7), X(0x7ffdc52b),
+ X(0x7ffdd926), X(0x7ffdec99), X(0x7ffdff88), X(0x7ffe11f4),
+ X(0x7ffe23e0), X(0x7ffe354f), X(0x7ffe4642), X(0x7ffe56bc),
+ X(0x7ffe66bf), X(0x7ffe764e), X(0x7ffe856a), X(0x7ffe9416),
+ X(0x7ffea254), X(0x7ffeb026), X(0x7ffebd8e), X(0x7ffeca8f),
+ X(0x7ffed72a), X(0x7ffee362), X(0x7ffeef38), X(0x7ffefaaf),
+ X(0x7fff05c9), X(0x7fff1087), X(0x7fff1aec), X(0x7fff24f9),
+ X(0x7fff2eb1), X(0x7fff3816), X(0x7fff4128), X(0x7fff49eb),
+ X(0x7fff5260), X(0x7fff5a88), X(0x7fff6266), X(0x7fff69fc),
+ X(0x7fff714b), X(0x7fff7854), X(0x7fff7f1a), X(0x7fff859f),
+ X(0x7fff8be3), X(0x7fff91ea), X(0x7fff97b3), X(0x7fff9d41),
+ X(0x7fffa296), X(0x7fffa7b3), X(0x7fffac99), X(0x7fffb14b),
+ X(0x7fffb5c9), X(0x7fffba15), X(0x7fffbe31), X(0x7fffc21d),
+ X(0x7fffc5dc), X(0x7fffc96f), X(0x7fffccd8), X(0x7fffd016),
+ X(0x7fffd32d), X(0x7fffd61c), X(0x7fffd8e7), X(0x7fffdb8d),
+ X(0x7fffde0f), X(0x7fffe071), X(0x7fffe2b1), X(0x7fffe4d2),
+ X(0x7fffe6d5), X(0x7fffe8bb), X(0x7fffea85), X(0x7fffec34),
+ X(0x7fffedc9), X(0x7fffef45), X(0x7ffff0aa), X(0x7ffff1f7),
+ X(0x7ffff330), X(0x7ffff453), X(0x7ffff562), X(0x7ffff65f),
+ X(0x7ffff749), X(0x7ffff823), X(0x7ffff8ec), X(0x7ffff9a6),
+ X(0x7ffffa51), X(0x7ffffaee), X(0x7ffffb7e), X(0x7ffffc02),
+ X(0x7ffffc7a), X(0x7ffffce7), X(0x7ffffd4a), X(0x7ffffda3),
+ X(0x7ffffdf4), X(0x7ffffe3c), X(0x7ffffe7c), X(0x7ffffeb6),
+ X(0x7ffffee8), X(0x7fffff15), X(0x7fffff3c), X(0x7fffff5e),
+ X(0x7fffff7b), X(0x7fffff95), X(0x7fffffaa), X(0x7fffffbc),
+ X(0x7fffffcb), X(0x7fffffd7), X(0x7fffffe2), X(0x7fffffea),
+ X(0x7ffffff0), X(0x7ffffff5), X(0x7ffffff9), X(0x7ffffffb),
+ X(0x7ffffffd), X(0x7ffffffe), X(0x7fffffff), X(0x7fffffff),
+ X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff),
+};
+
+static const LOOKUP_T vwin8192[4096] = {
+ X(0x0000007c), X(0x0000045c), X(0x00000c1d), X(0x000017bd),
+ X(0x0000273e), X(0x00003a9f), X(0x000051e0), X(0x00006d02),
+ X(0x00008c03), X(0x0000aee5), X(0x0000d5a7), X(0x00010049),
+ X(0x00012ecb), X(0x0001612d), X(0x00019770), X(0x0001d193),
+ X(0x00020f96), X(0x00025178), X(0x0002973c), X(0x0002e0df),
+ X(0x00032e62), X(0x00037fc5), X(0x0003d509), X(0x00042e2c),
+ X(0x00048b30), X(0x0004ec13), X(0x000550d7), X(0x0005b97a),
+ X(0x000625fe), X(0x00069661), X(0x00070aa4), X(0x000782c8),
+ X(0x0007fecb), X(0x00087eae), X(0x00090271), X(0x00098a14),
+ X(0x000a1597), X(0x000aa4f9), X(0x000b383b), X(0x000bcf5d),
+ X(0x000c6a5f), X(0x000d0941), X(0x000dac02), X(0x000e52a3),
+ X(0x000efd23), X(0x000fab84), X(0x00105dc3), X(0x001113e3),
+ X(0x0011cde2), X(0x00128bc0), X(0x00134d7e), X(0x0014131b),
+ X(0x0014dc98), X(0x0015a9f4), X(0x00167b30), X(0x0017504a),
+ X(0x00182945), X(0x0019061e), X(0x0019e6d7), X(0x001acb6f),
+ X(0x001bb3e6), X(0x001ca03c), X(0x001d9071), X(0x001e8485),
+ X(0x001f7c79), X(0x0020784b), X(0x002177fc), X(0x00227b8c),
+ X(0x002382fb), X(0x00248e49), X(0x00259d76), X(0x0026b081),
+ X(0x0027c76b), X(0x0028e234), X(0x002a00dc), X(0x002b2361),
+ X(0x002c49c6), X(0x002d7409), X(0x002ea22a), X(0x002fd42a),
+ X(0x00310a08), X(0x003243c5), X(0x00338160), X(0x0034c2d9),
+ X(0x00360830), X(0x00375165), X(0x00389e78), X(0x0039ef6a),
+ X(0x003b4439), X(0x003c9ce6), X(0x003df971), X(0x003f59da),
+ X(0x0040be20), X(0x00422645), X(0x00439247), X(0x00450226),
+ X(0x004675e3), X(0x0047ed7e), X(0x004968f5), X(0x004ae84b),
+ X(0x004c6b7d), X(0x004df28d), X(0x004f7d7a), X(0x00510c44),
+ X(0x00529eeb), X(0x00543570), X(0x0055cfd1), X(0x00576e0f),
+ X(0x00591029), X(0x005ab621), X(0x005c5ff5), X(0x005e0da6),
+ X(0x005fbf33), X(0x0061749d), X(0x00632de4), X(0x0064eb06),
+ X(0x0066ac05), X(0x006870e0), X(0x006a3998), X(0x006c062b),
+ X(0x006dd69b), X(0x006faae6), X(0x0071830d), X(0x00735f10),
+ X(0x00753eef), X(0x007722a9), X(0x00790a3f), X(0x007af5b1),
+ X(0x007ce4fe), X(0x007ed826), X(0x0080cf29), X(0x0082ca08),
+ X(0x0084c8c2), X(0x0086cb57), X(0x0088d1c7), X(0x008adc11),
+ X(0x008cea37), X(0x008efc37), X(0x00911212), X(0x00932bc7),
+ X(0x00954957), X(0x00976ac2), X(0x00999006), X(0x009bb925),
+ X(0x009de61e), X(0x00a016f1), X(0x00a24b9e), X(0x00a48425),
+ X(0x00a6c086), X(0x00a900c0), X(0x00ab44d4), X(0x00ad8cc2),
+ X(0x00afd889), X(0x00b22829), X(0x00b47ba2), X(0x00b6d2f5),
+ X(0x00b92e21), X(0x00bb8d26), X(0x00bdf004), X(0x00c056ba),
+ X(0x00c2c149), X(0x00c52fb1), X(0x00c7a1f1), X(0x00ca180a),
+ X(0x00cc91fb), X(0x00cf0fc5), X(0x00d19166), X(0x00d416df),
+ X(0x00d6a031), X(0x00d92d5a), X(0x00dbbe5b), X(0x00de5333),
+ X(0x00e0ebe3), X(0x00e3886b), X(0x00e628c9), X(0x00e8ccff),
+ X(0x00eb750c), X(0x00ee20f0), X(0x00f0d0ab), X(0x00f3843d),
+ X(0x00f63ba5), X(0x00f8f6e4), X(0x00fbb5fa), X(0x00fe78e5),
+ X(0x01013fa7), X(0x01040a3f), X(0x0106d8ae), X(0x0109aaf2),
+ X(0x010c810c), X(0x010f5afb), X(0x011238c0), X(0x01151a5b),
+ X(0x0117ffcb), X(0x011ae910), X(0x011dd62a), X(0x0120c719),
+ X(0x0123bbdd), X(0x0126b476), X(0x0129b0e4), X(0x012cb126),
+ X(0x012fb53c), X(0x0132bd27), X(0x0135c8e6), X(0x0138d879),
+ X(0x013bebdf), X(0x013f031a), X(0x01421e28), X(0x01453d0a),
+ X(0x01485fbf), X(0x014b8648), X(0x014eb0a4), X(0x0151ded2),
+ X(0x015510d4), X(0x015846a8), X(0x015b8050), X(0x015ebdc9),
+ X(0x0161ff15), X(0x01654434), X(0x01688d24), X(0x016bd9e6),
+ X(0x016f2a7b), X(0x01727ee1), X(0x0175d718), X(0x01793321),
+ X(0x017c92fc), X(0x017ff6a7), X(0x01835e24), X(0x0186c972),
+ X(0x018a3890), X(0x018dab7f), X(0x0191223f), X(0x01949ccf),
+ X(0x01981b2f), X(0x019b9d5f), X(0x019f235f), X(0x01a2ad2f),
+ X(0x01a63acf), X(0x01a9cc3e), X(0x01ad617c), X(0x01b0fa8a),
+ X(0x01b49767), X(0x01b83813), X(0x01bbdc8d), X(0x01bf84d6),
+ X(0x01c330ee), X(0x01c6e0d4), X(0x01ca9488), X(0x01ce4c0b),
+ X(0x01d2075b), X(0x01d5c679), X(0x01d98964), X(0x01dd501d),
+ X(0x01e11aa3), X(0x01e4e8f6), X(0x01e8bb17), X(0x01ec9104),
+ X(0x01f06abd), X(0x01f44844), X(0x01f82996), X(0x01fc0eb5),
+ X(0x01fff7a0), X(0x0203e456), X(0x0207d4d9), X(0x020bc926),
+ X(0x020fc140), X(0x0213bd24), X(0x0217bcd4), X(0x021bc04e),
+ X(0x021fc793), X(0x0223d2a3), X(0x0227e17d), X(0x022bf421),
+ X(0x02300a90), X(0x023424c8), X(0x023842ca), X(0x023c6495),
+ X(0x02408a2a), X(0x0244b389), X(0x0248e0b0), X(0x024d11a0),
+ X(0x02514659), X(0x02557eda), X(0x0259bb24), X(0x025dfb35),
+ X(0x02623f0f), X(0x026686b1), X(0x026ad21a), X(0x026f214b),
+ X(0x02737443), X(0x0277cb02), X(0x027c2588), X(0x028083d5),
+ X(0x0284e5e9), X(0x02894bc2), X(0x028db562), X(0x029222c8),
+ X(0x029693f4), X(0x029b08e6), X(0x029f819d), X(0x02a3fe19),
+ X(0x02a87e5b), X(0x02ad0261), X(0x02b18a2c), X(0x02b615bb),
+ X(0x02baa50f), X(0x02bf3827), X(0x02c3cf03), X(0x02c869a3),
+ X(0x02cd0807), X(0x02d1aa2d), X(0x02d65017), X(0x02daf9c4),
+ X(0x02dfa734), X(0x02e45866), X(0x02e90d5b), X(0x02edc612),
+ X(0x02f2828b), X(0x02f742c6), X(0x02fc06c3), X(0x0300ce80),
+ X(0x030599ff), X(0x030a6940), X(0x030f3c40), X(0x03141302),
+ X(0x0318ed84), X(0x031dcbc6), X(0x0322adc8), X(0x0327938a),
+ X(0x032c7d0c), X(0x03316a4c), X(0x03365b4d), X(0x033b500c),
+ X(0x03404889), X(0x034544c6), X(0x034a44c0), X(0x034f4879),
+ X(0x03544ff0), X(0x03595b24), X(0x035e6a16), X(0x03637cc5),
+ X(0x03689331), X(0x036dad5a), X(0x0372cb40), X(0x0377ece2),
+ X(0x037d1240), X(0x03823b5a), X(0x03876830), X(0x038c98c1),
+ X(0x0391cd0e), X(0x03970516), X(0x039c40d8), X(0x03a18055),
+ X(0x03a6c38d), X(0x03ac0a7f), X(0x03b1552b), X(0x03b6a390),
+ X(0x03bbf5af), X(0x03c14b88), X(0x03c6a519), X(0x03cc0263),
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+ X(0x7fcc8f97), X(0x7fccf846), X(0x7fcd6058), X(0x7fcdc7cb),
+ X(0x7fce2ea2), X(0x7fce94dd), X(0x7fcefa7b), X(0x7fcf5f7f),
+ X(0x7fcfc3e8), X(0x7fd027b7), X(0x7fd08aed), X(0x7fd0ed8b),
+ X(0x7fd14f90), X(0x7fd1b0fd), X(0x7fd211d4), X(0x7fd27214),
+ X(0x7fd2d1bf), X(0x7fd330d4), X(0x7fd38f55), X(0x7fd3ed41),
+ X(0x7fd44a9a), X(0x7fd4a761), X(0x7fd50395), X(0x7fd55f37),
+ X(0x7fd5ba48), X(0x7fd614c9), X(0x7fd66eba), X(0x7fd6c81b),
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+ X(0x7fff2c4b), X(0x7fff3112), X(0x7fff35c4), X(0x7fff3a62),
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+ X(0x7fff6076), X(0x7fff6452), X(0x7fff681d), X(0x7fff6bd6),
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+ X(0x7fffab65), X(0x7fffadca), X(0x7fffb023), X(0x7fffb26f),
+ X(0x7fffb4ae), X(0x7fffb6e0), X(0x7fffb906), X(0x7fffbb20),
+ X(0x7fffbd2e), X(0x7fffbf30), X(0x7fffc126), X(0x7fffc311),
+ X(0x7fffc4f1), X(0x7fffc6c5), X(0x7fffc88f), X(0x7fffca4d),
+ X(0x7fffcc01), X(0x7fffcdab), X(0x7fffcf4a), X(0x7fffd0e0),
+ X(0x7fffd26b), X(0x7fffd3ec), X(0x7fffd564), X(0x7fffd6d2),
+ X(0x7fffd838), X(0x7fffd993), X(0x7fffdae6), X(0x7fffdc31),
+ X(0x7fffdd72), X(0x7fffdeab), X(0x7fffdfdb), X(0x7fffe104),
+ X(0x7fffe224), X(0x7fffe33c), X(0x7fffe44d), X(0x7fffe556),
+ X(0x7fffe657), X(0x7fffe751), X(0x7fffe844), X(0x7fffe930),
+ X(0x7fffea15), X(0x7fffeaf3), X(0x7fffebca), X(0x7fffec9b),
+ X(0x7fffed66), X(0x7fffee2a), X(0x7fffeee8), X(0x7fffefa0),
+ X(0x7ffff053), X(0x7ffff0ff), X(0x7ffff1a6), X(0x7ffff247),
+ X(0x7ffff2e4), X(0x7ffff37a), X(0x7ffff40c), X(0x7ffff499),
+ X(0x7ffff520), X(0x7ffff5a3), X(0x7ffff621), X(0x7ffff69b),
+ X(0x7ffff710), X(0x7ffff781), X(0x7ffff7ee), X(0x7ffff857),
+ X(0x7ffff8bb), X(0x7ffff91c), X(0x7ffff979), X(0x7ffff9d2),
+ X(0x7ffffa27), X(0x7ffffa79), X(0x7ffffac8), X(0x7ffffb13),
+ X(0x7ffffb5b), X(0x7ffffba0), X(0x7ffffbe2), X(0x7ffffc21),
+ X(0x7ffffc5d), X(0x7ffffc96), X(0x7ffffccd), X(0x7ffffd01),
+ X(0x7ffffd32), X(0x7ffffd61), X(0x7ffffd8e), X(0x7ffffdb8),
+ X(0x7ffffde0), X(0x7ffffe07), X(0x7ffffe2b), X(0x7ffffe4d),
+ X(0x7ffffe6d), X(0x7ffffe8b), X(0x7ffffea8), X(0x7ffffec3),
+ X(0x7ffffedc), X(0x7ffffef4), X(0x7fffff0a), X(0x7fffff1f),
+ X(0x7fffff33), X(0x7fffff45), X(0x7fffff56), X(0x7fffff66),
+ X(0x7fffff75), X(0x7fffff82), X(0x7fffff8f), X(0x7fffff9a),
+ X(0x7fffffa5), X(0x7fffffaf), X(0x7fffffb8), X(0x7fffffc0),
+ X(0x7fffffc8), X(0x7fffffce), X(0x7fffffd5), X(0x7fffffda),
+ X(0x7fffffdf), X(0x7fffffe4), X(0x7fffffe8), X(0x7fffffeb),
+ X(0x7fffffef), X(0x7ffffff1), X(0x7ffffff4), X(0x7ffffff6),
+ X(0x7ffffff8), X(0x7ffffff9), X(0x7ffffffb), X(0x7ffffffc),
+ X(0x7ffffffd), X(0x7ffffffd), X(0x7ffffffe), X(0x7fffffff),
+ X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff),
+ X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff),
+ X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff),
+};
+
diff --git a/media/libtremor/moz.build b/media/libtremor/moz.build
new file mode 100644
index 0000000000..f0a9235927
--- /dev/null
+++ b/media/libtremor/moz.build
@@ -0,0 +1,11 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files('*'):
+ BUG_COMPONENT = ('Core', 'Audio/Video')
+
+DIRS += ['include/tremor', 'lib']
+
diff --git a/media/libtremor/update.sh b/media/libtremor/update.sh
new file mode 100755
index 0000000000..d27198cfe5
--- /dev/null
+++ b/media/libtremor/update.sh
@@ -0,0 +1,34 @@
+# Usage: cp $1/update.sh <tremor_src_directory>
+#
+# Copies the needed files from a directory containing the original
+# libtremor source that we need for the Mozilla HTML5 media support.
+cp $1/asm_arm.h ./lib/asm_arm.h
+cp $1/backends.h ./lib/backends.h
+cp $1/block.c ./lib/tremor_block.c
+cp $1/block.h ./lib/block.h
+cp $1/codebook.c ./lib/tremor_codebook.c
+cp $1/codebook.h ./lib/codebook.h
+cp $1/codec_internal.h ./lib/codec_internal.h
+cp $1/floor0.c ./lib/tremor_floor0.c
+cp $1/floor1.c ./lib/tremor_floor1.c
+cp $1/info.c ./lib/tremor_info.c
+cp $1/lsp_lookup.h ./lib/lsp_lookup.h
+cp $1/mapping0.c ./lib/tremor_mapping0.c
+cp $1/mdct_lookup.h ./lib/mdct_lookup.h
+cp $1/mdct.c ./lib/tremor_mdct.c
+cp $1/mdct.h ./lib/mdct.h
+cp $1/misc.h ./lib/misc.h
+cp $1/registry.c ./lib/tremor_registry.c
+cp $1/registry.h ./lib/registry.h
+cp $1/res012.c ./lib/tremor_res012.c
+cp $1/sharedbook.c ./lib/tremor_sharedbook.c
+cp $1/synthesis.c ./lib/tremor_synthesis.c
+cp $1/window_lookup.h ./lib/window_lookup.h
+cp $1/window.c ./lib/tremor_window.c
+cp $1/window.h ./lib/window.h
+cp $1/ivorbiscodec.h ./include/tremor/ivorbiscodec.h
+cp $1/os.h ./lib/os.h
+cp $1/COPYING ./COPYING
+cp $1/README ./README
+patch -p3 < ./bug719612.patch
+patch -p3 < ./bug1117571-r19420.patch
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 21:24:56 +0000