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ffmpeg.wasm-core
Commit 6af3c226 authored by Sebastien Lucas's avatar Sebastien Lucas Committed by Aurelien Jacobs
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add MMX version of vp6_filter_diag 

original patch by Sebastien Lucas  sebastien.lucas _at_ gmail _dot_ com

Originally committed as revision 17194 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent dd44d9e3
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Showing with 149 additions and 3 deletions
libavcodec/Makefile
View file @ 6af3c226
......@@ -414,9 +414,12 @@ MMX-OBJS-$(CONFIG_THEORA_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_mmx.o
MMX-OBJS-$(CONFIG_VP3_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VP5_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VP6_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VP6A_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VP6F_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o
MMX-OBJS-$(CONFIG_VP6_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o \
x86/vp6dsp_mmx.o
MMX-OBJS-$(CONFIG_VP6A_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o \
x86/vp6dsp_mmx.o
MMX-OBJS-$(CONFIG_VP6F_DECODER) += x86/vp3dsp_mmx.o x86/vp3dsp_sse2.o \
x86/vp6dsp_mmx.o
MMX-OBJS-$(CONFIG_WMV3_DECODER) += x86/vc1dsp_mmx.o
MMX-OBJS-$(HAVE_YASM) += x86/dsputil_yasm.o \
$(YASM-OBJS-yes)
......
libavcodec/x86/dsputil_mmx.c
View file @ 6af3c226
......@@ -31,6 +31,7 @@
#include "mmx.h"
#include "vp3dsp_mmx.h"
#include "vp3dsp_sse2.h"
#include "vp6dsp_mmx.h"
#include "idct_xvid.h"
//#undef NDEBUG
......@@ -2688,6 +2689,10 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->h264_idct_add8 = ff_h264_idct_add8_mmx;
c->h264_idct_add16intra= ff_h264_idct_add16intra_mmx;
if (CONFIG_VP6_DECODER) {
c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
}
if (mm_flags & FF_MM_MMXEXT) {
c->prefetch = prefetch_mmx2;
......
libavcodec/x86/vp6dsp_mmx.c 0 → 100644
View file @ 6af3c226
/**
* @file libavcodec/x86/vp6dsp_mmx.c
* MMX-optimized functions for the VP6 decoder
*
* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
*
* 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_cpu.h"
#include "libavcodec/dsputil.h"
#include "dsputil_mmx.h"
#include "vp6dsp_mmx.h"
#define DIAG4_MMX(in1,in2,in3,in4) \
"movq "#in1"(%0), %%mm0 \n\t" \
"movq "#in2"(%0), %%mm1 \n\t" \
"movq %%mm0, %%mm3 \n\t" \
"movq %%mm1, %%mm4 \n\t" \
"punpcklbw %%mm7, %%mm0 \n\t" \
"punpcklbw %%mm7, %%mm1 \n\t" \
"punpckhbw %%mm7, %%mm3 \n\t" \
"punpckhbw %%mm7, %%mm4 \n\t" \
"pmullw 0(%2), %%mm0 \n\t" /* src[x-8 ] * biweight [0] */ \
"pmullw 8(%2), %%mm1 \n\t" /* src[x ] * biweight [1] */ \
"pmullw 0(%2), %%mm3 \n\t" /* src[x-8 ] * biweight [0] */ \
"pmullw 8(%2), %%mm4 \n\t" /* src[x ] * biweight [1] */ \
"paddw %%mm1, %%mm0 \n\t" \
"paddw %%mm4, %%mm3 \n\t" \
"movq "#in3"(%0), %%mm1 \n\t" \
"movq "#in4"(%0), %%mm2 \n\t" \
"movq %%mm1, %%mm4 \n\t" \
"movq %%mm2, %%mm5 \n\t" \
"punpcklbw %%mm7, %%mm1 \n\t" \
"punpcklbw %%mm7, %%mm2 \n\t" \
"punpckhbw %%mm7, %%mm4 \n\t" \
"punpckhbw %%mm7, %%mm5 \n\t" \
"pmullw 16(%2), %%mm1 \n\t" /* src[x+8 ] * biweight [2] */ \
"pmullw 24(%2), %%mm2 \n\t" /* src[x+16] * biweight [3] */ \
"pmullw 16(%2), %%mm4 \n\t" /* src[x+8 ] * biweight [2] */ \
"pmullw 24(%2), %%mm5 \n\t" /* src[x+16] * biweight [3] */ \
"paddw %%mm2, %%mm1 \n\t" \
"paddw %%mm5, %%mm4 \n\t" \
"paddsw %%mm1, %%mm0 \n\t" \
"paddsw %%mm4, %%mm3 \n\t" \
"paddsw %%mm6, %%mm0 \n\t" /* Add 64 */ \
"paddsw %%mm6, %%mm3 \n\t" /* Add 64 */ \
"psraw $7, %%mm0 \n\t" \
"psraw $7, %%mm3 \n\t" \
"packuswb %%mm3, %%mm0 \n\t" \
"movq %%mm0, (%1) \n\t"
void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
const int16_t *h_weights, const int16_t *v_weights)
{
uint8_t tmp[8*11], *t = tmp;
int16_t weights[4*4];
int i;
src -= stride;
for (i=0; i<4*4; i++)
weights[i] = h_weights[i>>2];
__asm__ volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq "MANGLE(ff_pw_64)", %%mm6 \n\t"
"1: \n\t"
DIAG4_MMX(-1,0,1,2)
"add $8, %1 \n\t"
"add %3, %0 \n\t"
"decl %4 \n\t"
"jnz 1b \n\t"
: "+r"(src), "+r"(t)
: "r"(weights), "r"((x86_reg)stride), "r"(11)
: "memory");
t = tmp + 8;
for (i=0; i<4*4; i++)
weights[i] = v_weights[i>>2];
__asm__ volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq "MANGLE(ff_pw_64)", %%mm6 \n\t"
"1: \n\t"
DIAG4_MMX(-8,0,8,16)
"add $8, %0 \n\t"
"add %3, %1 \n\t"
"decl %4 \n\t"
"jnz 1b \n\t"
: "+r"(t), "+r"(dst)
: "r"(weights), "r"((x86_reg)stride), "r"(8)
: "memory");
}
libavcodec/x86/vp6dsp_mmx.h 0 → 100644
View file @ 6af3c226
/*
* vp6dsp MMX function declarations
* Copyright (c) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
*
* 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
*/
#ifndef AVCODEC_X86_VP6DSP_MMX_H
#define AVCODEC_X86_VP6DSP_MMX_H
#include <stdint.h>
void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
const int16_t *h_weights,const int16_t *v_weights);
#endif /* AVCODEC_X86_VP6DSP_MMX_H */
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