summaryrefslogtreecommitdiffstats
path: root/media/ffvpx/libavcodec/x86/idctdsp.asm
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/x86/idctdsp.asm112
1 files changed, 112 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/x86/idctdsp.asm b/media/ffvpx/libavcodec/x86/idctdsp.asm
new file mode 100644
index 0000000000..1cfdb5419d
--- /dev/null
+++ b/media/ffvpx/libavcodec/x86/idctdsp.asm
@@ -0,0 +1,112 @@
+;******************************************************************************
+;* SIMD-optimized IDCT-related routines
+;* Copyright (c) 2008 Loren Merritt
+;* Copyright (c) 2003-2013 Michael Niedermayer
+;* Copyright (c) 2013 Daniel Kang
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* FFmpeg is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA
+
+cextern pb_80
+
+SECTION .text
+
+;--------------------------------------------------------------------------
+;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels,
+; ptrdiff_t line_size)
+;--------------------------------------------------------------------------
+
+%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1
+ mova m1, [blockq+mmsize*0+%1]
+ mova m2, [blockq+mmsize*2+%1]
+ packsswb m1, [blockq+mmsize*1+%1]
+ packsswb m2, [blockq+mmsize*3+%1]
+ paddb m1, m0
+ paddb m2, m0
+ movq [pixelsq+lsizeq*0], m1
+ movhps [pixelsq+lsizeq*1], m1
+ movq [pixelsq+lsizeq*2], m2
+ movhps [pixelsq+lsize3q ], m2
+%endmacro
+
+INIT_XMM sse2
+cglobal put_signed_pixels_clamped, 3, 4, 3, block, pixels, lsize, lsize3
+ mova m0, [pb_80]
+ lea lsize3q, [lsizeq*3]
+ PUT_SIGNED_PIXELS_CLAMPED_HALF 0
+ lea pixelsq, [pixelsq+lsizeq*4]
+ PUT_SIGNED_PIXELS_CLAMPED_HALF 64
+ RET
+
+;--------------------------------------------------------------------------
+; void ff_put_pixels_clamped(const int16_t *block, uint8_t *pixels,
+; ptrdiff_t line_size);
+;--------------------------------------------------------------------------
+; %1 = block offset
+%macro PUT_PIXELS_CLAMPED_HALF 1
+ mova m0, [blockq+mmsize*0+%1]
+ mova m1, [blockq+mmsize*2+%1]
+ packuswb m0, [blockq+mmsize*1+%1]
+ packuswb m1, [blockq+mmsize*3+%1]
+ movq [pixelsq], m0
+ movhps [lsizeq+pixelsq], m0
+ movq [2*lsizeq+pixelsq], m1
+ movhps [lsize3q+pixelsq], m1
+%endmacro
+
+INIT_XMM sse2
+cglobal put_pixels_clamped, 3, 4, 2, block, pixels, lsize, lsize3
+ lea lsize3q, [lsizeq*3]
+ PUT_PIXELS_CLAMPED_HALF 0
+ lea pixelsq, [pixelsq+lsizeq*4]
+ PUT_PIXELS_CLAMPED_HALF 64
+ RET
+
+;--------------------------------------------------------------------------
+; void ff_add_pixels_clamped(const int16_t *block, uint8_t *pixels,
+; ptrdiff_t line_size);
+;--------------------------------------------------------------------------
+; %1 = block offset
+%macro ADD_PIXELS_CLAMPED 1
+ mova m0, [blockq+mmsize*0+%1]
+ mova m1, [blockq+mmsize*1+%1]
+ movq m2, [pixelsq]
+ movq m3, [pixelsq+lsizeq]
+ punpcklbw m2, m4
+ punpcklbw m3, m4
+ paddsw m0, m2
+ paddsw m1, m3
+ packuswb m0, m1
+ movq [pixelsq], m0
+ movhps [pixelsq+lsizeq], m0
+%endmacro
+
+INIT_XMM sse2
+cglobal add_pixels_clamped, 3, 3, 5, block, pixels, lsize
+ pxor m4, m4
+ ADD_PIXELS_CLAMPED 0
+ lea pixelsq, [pixelsq+lsizeq*2]
+ ADD_PIXELS_CLAMPED 32
+ lea pixelsq, [pixelsq+lsizeq*2]
+ ADD_PIXELS_CLAMPED 64
+ lea pixelsq, [pixelsq+lsizeq*2]
+ ADD_PIXELS_CLAMPED 96
+ RET