Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/defines.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/defines.h
new file mode 100644
index 0000000000..64135c4887
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/defines.h
@@ -0,0 +1,225 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+/******************************************************************
+
+ iLBC Speech Coder ANSI-C Source Code
+
+ define.h
+
+******************************************************************/
+#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DEFINES_H_
+#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DEFINES_H_
+
+#include <stdint.h>
+#include <string.h>
+
+#include "common_audio/signal_processing/include/signal_processing_library.h"
+
+/* general codec settings */
+
+#define FS 8000
+#define BLOCKL_20MS 160
+#define BLOCKL_30MS 240
+#define BLOCKL_MAX 240
+#define NSUB_20MS 4
+#define NSUB_30MS 6
+#define NSUB_MAX 6
+#define NASUB_20MS 2
+#define NASUB_30MS 4
+#define NASUB_MAX 4
+#define SUBL 40
+#define STATE_LEN 80
+#define STATE_SHORT_LEN_30MS 58
+#define STATE_SHORT_LEN_20MS 57
+
+/* LPC settings */
+
+#define LPC_FILTERORDER 10
+#define LPC_LOOKBACK 60
+#define LPC_N_20MS 1
+#define LPC_N_30MS 2
+#define LPC_N_MAX 2
+#define LPC_ASYMDIFF 20
+#define LSF_NSPLIT 3
+#define LSF_NUMBER_OF_STEPS 4
+#define LPC_HALFORDER 5
+#define COS_GRID_POINTS 60
+
+/* cb settings */
+
+#define CB_NSTAGES 3
+#define CB_EXPAND 2
+#define CB_MEML 147
+#define CB_FILTERLEN (2 * 4)
+#define CB_HALFFILTERLEN 4
+#define CB_RESRANGE 34
+#define CB_MAXGAIN_FIXQ6 83 /* error = -0.24% */
+#define CB_MAXGAIN_FIXQ14 21299
+
+/* enhancer */
+
+#define ENH_BLOCKL 80 /* block length */
+#define ENH_BLOCKL_HALF (ENH_BLOCKL / 2)
+#define ENH_HL                                                         \
+  3 /* 2*ENH_HL+1 is number blocks                                     \
+                                                        in said second \
+       sequence */
+#define ENH_SLOP                    \
+  2 /* max difference estimated and \
+                                                       correct pitch period */
+#define ENH_PLOCSL                                                          \
+  8 /* pitch-estimates and                                                  \
+                                                     pitch-locations buffer \
+       length */
+#define ENH_OVERHANG 2
+#define ENH_UPS0 4 /* upsampling rate */
+#define ENH_FL0 3  /* 2*FLO+1 is the length of each filter */
+#define ENH_FLO_MULT2_PLUS1 7
+#define ENH_VECTL (ENH_BLOCKL + 2 * ENH_FL0)
+#define ENH_CORRDIM (2 * ENH_SLOP + 1)
+#define ENH_NBLOCKS (BLOCKL / ENH_BLOCKL)
+#define ENH_NBLOCKS_EXTRA 5
+#define ENH_NBLOCKS_TOT 8 /* ENH_NBLOCKS+ENH_NBLOCKS_EXTRA */
+#define ENH_BUFL (ENH_NBLOCKS_TOT) * ENH_BLOCKL
+#define ENH_BUFL_FILTEROVERHEAD 3
+#define ENH_A0 819                      /* Q14 */
+#define ENH_A0_MINUS_A0A0DIV4 848256041 /* Q34 */
+#define ENH_A0DIV2 26843546             /* Q30 */
+
+/* PLC */
+
+/* Down sampling */
+
+#define FILTERORDER_DS_PLUS1 7
+#define DELAY_DS 3
+#define FACTOR_DS 2
+
+/* bit stream defs */
+
+#define NO_OF_BYTES_20MS 38
+#define NO_OF_BYTES_30MS 50
+#define NO_OF_WORDS_20MS 19
+#define NO_OF_WORDS_30MS 25
+#define STATE_BITS 3
+#define BYTE_LEN 8
+#define ULP_CLASSES 3
+
+/* help parameters */
+
+#define TWO_PI_FIX 25736 /* Q12 */
+
+/* Constants for codebook search and creation */
+
+#define ST_MEM_L_TBL 85
+#define MEM_LF_TBL 147
+
+/* Struct for the bits */
+typedef struct iLBC_bits_t_ {
+  int16_t lsf[LSF_NSPLIT * LPC_N_MAX];
+  int16_t cb_index[CB_NSTAGES * (NASUB_MAX + 1)];   /* First CB_NSTAGES values
+                                                       contains extra CB index */
+  int16_t gain_index[CB_NSTAGES * (NASUB_MAX + 1)]; /* First CB_NSTAGES values
+                                                       contains extra CB gain */
+  size_t idxForMax;
+  int16_t state_first;
+  int16_t idxVec[STATE_SHORT_LEN_30MS];
+  int16_t firstbits;
+  size_t startIdx;
+} iLBC_bits;
+
+/* type definition encoder instance */
+typedef struct IlbcEncoder_ {
+  /* flag for frame size mode */
+  int16_t mode;
+
+  /* basic parameters for different frame sizes */
+  size_t blockl;
+  size_t nsub;
+  int16_t nasub;
+  size_t no_of_bytes, no_of_words;
+  int16_t lpc_n;
+  size_t state_short_len;
+
+  /* analysis filter state */
+  int16_t anaMem[LPC_FILTERORDER];
+
+  /* Fix-point old lsf parameters for interpolation */
+  int16_t lsfold[LPC_FILTERORDER];
+  int16_t lsfdeqold[LPC_FILTERORDER];
+
+  /* signal buffer for LP analysis */
+  int16_t lpc_buffer[LPC_LOOKBACK + BLOCKL_MAX];
+
+  /* state of input HP filter */
+  int16_t hpimemx[2];
+  int16_t hpimemy[4];
+
+#ifdef SPLIT_10MS
+  int16_t weightdenumbuf[66];
+  int16_t past_samples[160];
+  uint16_t bytes[25];
+  int16_t section;
+  int16_t Nfor_flag;
+  int16_t Nback_flag;
+  int16_t start_pos;
+  size_t diff;
+#endif
+
+} IlbcEncoder;
+
+/* type definition decoder instance */
+typedef struct IlbcDecoder_ {
+  /* flag for frame size mode */
+  int16_t mode;
+
+  /* basic parameters for different frame sizes */
+  size_t blockl;
+  size_t nsub;
+  int16_t nasub;
+  size_t no_of_bytes, no_of_words;
+  int16_t lpc_n;
+  size_t state_short_len;
+
+  /* synthesis filter state */
+  int16_t syntMem[LPC_FILTERORDER];
+
+  /* old LSF for interpolation */
+  int16_t lsfdeqold[LPC_FILTERORDER];
+
+  /* pitch lag estimated in enhancer and used in PLC */
+  size_t last_lag;
+
+  /* PLC state information */
+  int consPLICount, prev_enh_pl;
+  int16_t perSquare;
+
+  int16_t prevScale, prevPLI;
+  size_t prevLag;
+  int16_t prevLpc[LPC_FILTERORDER + 1];
+  int16_t prevResidual[NSUB_MAX * SUBL];
+  int16_t seed;
+
+  /* previous synthesis filter parameters */
+
+  int16_t old_syntdenum[(LPC_FILTERORDER + 1) * NSUB_MAX];
+
+  /* state of output HP filter */
+  int16_t hpimemx[2];
+  int16_t hpimemy[4];
+
+  /* enhancer state information */
+  int use_enhancer;
+  int16_t enh_buf[ENH_BUFL + ENH_BUFL_FILTEROVERHEAD];
+  size_t enh_period[ENH_NBLOCKS_TOT];
+
+} IlbcDecoder;
+
+#endif