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FFmpeg/libavcodec/x86/h264dsp_mmx.c
Stefano Sabatini c6c98d0897 Move mm_support() from libavcodec to libavutil, make it a public
function and rename it to av_get_cpu_flags().

Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-08 15:07:14 +00:00

840 lines
31 KiB
C

/*
* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
*
* 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/cpu.h"
#include "libavutil/x86_cpu.h"
#include "libavcodec/h264dsp.h"
#include "dsputil_mmx.h"
DECLARE_ALIGNED(8, static const uint64_t, ff_pb_3_1 ) = 0x0103010301030103ULL;
DECLARE_ALIGNED(8, static const uint64_t, ff_pb_7_3 ) = 0x0307030703070307ULL;
/***********************************/
/* IDCT */
#define SUMSUB_BADC( a, b, c, d ) \
"paddw "#b", "#a" \n\t"\
"paddw "#d", "#c" \n\t"\
"paddw "#b", "#b" \n\t"\
"paddw "#d", "#d" \n\t"\
"psubw "#a", "#b" \n\t"\
"psubw "#c", "#d" \n\t"
#define SUMSUBD2_AB( a, b, t ) \
"movq "#b", "#t" \n\t"\
"psraw $1 , "#b" \n\t"\
"paddw "#a", "#b" \n\t"\
"psraw $1 , "#a" \n\t"\
"psubw "#t", "#a" \n\t"
#define IDCT4_1D( s02, s13, d02, d13, t ) \
SUMSUB_BA ( s02, d02 )\
SUMSUBD2_AB( s13, d13, t )\
SUMSUB_BADC( d13, s02, s13, d02 )
#define STORE_DIFF_4P( p, t, z ) \
"psraw $6, "#p" \n\t"\
"movd (%0), "#t" \n\t"\
"punpcklbw "#z", "#t" \n\t"\
"paddsw "#t", "#p" \n\t"\
"packuswb "#z", "#p" \n\t"\
"movd "#p", (%0) \n\t"
static void ff_h264_idct_add_mmx(uint8_t *dst, int16_t *block, int stride)
{
/* Load dct coeffs */
__asm__ volatile(
"movq (%0), %%mm0 \n\t"
"movq 8(%0), %%mm1 \n\t"
"movq 16(%0), %%mm2 \n\t"
"movq 24(%0), %%mm3 \n\t"
:: "r"(block) );
__asm__ volatile(
/* mm1=s02+s13 mm2=s02-s13 mm4=d02+d13 mm0=d02-d13 */
IDCT4_1D( %%mm2, %%mm1, %%mm0, %%mm3, %%mm4 )
"movq %0, %%mm6 \n\t"
/* in: 1,4,0,2 out: 1,2,3,0 */
TRANSPOSE4( %%mm3, %%mm1, %%mm0, %%mm2, %%mm4 )
"paddw %%mm6, %%mm3 \n\t"
/* mm2=s02+s13 mm3=s02-s13 mm4=d02+d13 mm1=d02-d13 */
IDCT4_1D( %%mm4, %%mm2, %%mm3, %%mm0, %%mm1 )
"pxor %%mm7, %%mm7 \n\t"
:: "m"(ff_pw_32));
__asm__ volatile(
STORE_DIFF_4P( %%mm0, %%mm1, %%mm7)
"add %1, %0 \n\t"
STORE_DIFF_4P( %%mm2, %%mm1, %%mm7)
"add %1, %0 \n\t"
STORE_DIFF_4P( %%mm3, %%mm1, %%mm7)
"add %1, %0 \n\t"
STORE_DIFF_4P( %%mm4, %%mm1, %%mm7)
: "+r"(dst)
: "r" ((x86_reg)stride)
);
}
static inline void h264_idct8_1d(int16_t *block)
{
__asm__ volatile(
"movq 112(%0), %%mm7 \n\t"
"movq 80(%0), %%mm0 \n\t"
"movq 48(%0), %%mm3 \n\t"
"movq 16(%0), %%mm5 \n\t"
"movq %%mm0, %%mm4 \n\t"
"movq %%mm5, %%mm1 \n\t"
"psraw $1, %%mm4 \n\t"
"psraw $1, %%mm1 \n\t"
"paddw %%mm0, %%mm4 \n\t"
"paddw %%mm5, %%mm1 \n\t"
"paddw %%mm7, %%mm4 \n\t"
"paddw %%mm0, %%mm1 \n\t"
"psubw %%mm5, %%mm4 \n\t"
"paddw %%mm3, %%mm1 \n\t"
"psubw %%mm3, %%mm5 \n\t"
"psubw %%mm3, %%mm0 \n\t"
"paddw %%mm7, %%mm5 \n\t"
"psubw %%mm7, %%mm0 \n\t"
"psraw $1, %%mm3 \n\t"
"psraw $1, %%mm7 \n\t"
"psubw %%mm3, %%mm5 \n\t"
"psubw %%mm7, %%mm0 \n\t"
"movq %%mm4, %%mm3 \n\t"
"movq %%mm1, %%mm7 \n\t"
"psraw $2, %%mm1 \n\t"
"psraw $2, %%mm3 \n\t"
"paddw %%mm5, %%mm3 \n\t"
"psraw $2, %%mm5 \n\t"
"paddw %%mm0, %%mm1 \n\t"
"psraw $2, %%mm0 \n\t"
"psubw %%mm4, %%mm5 \n\t"
"psubw %%mm0, %%mm7 \n\t"
"movq 32(%0), %%mm2 \n\t"
"movq 96(%0), %%mm6 \n\t"
"movq %%mm2, %%mm4 \n\t"
"movq %%mm6, %%mm0 \n\t"
"psraw $1, %%mm4 \n\t"
"psraw $1, %%mm6 \n\t"
"psubw %%mm0, %%mm4 \n\t"
"paddw %%mm2, %%mm6 \n\t"
"movq (%0), %%mm2 \n\t"
"movq 64(%0), %%mm0 \n\t"
SUMSUB_BA( %%mm0, %%mm2 )
SUMSUB_BA( %%mm6, %%mm0 )
SUMSUB_BA( %%mm4, %%mm2 )
SUMSUB_BA( %%mm7, %%mm6 )
SUMSUB_BA( %%mm5, %%mm4 )
SUMSUB_BA( %%mm3, %%mm2 )
SUMSUB_BA( %%mm1, %%mm0 )
:: "r"(block)
);
}
static void ff_h264_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
{
int i;
DECLARE_ALIGNED(8, int16_t, b2)[64];
block[0] += 32;
for(i=0; i<2; i++){
DECLARE_ALIGNED(8, uint64_t, tmp);
h264_idct8_1d(block+4*i);
__asm__ volatile(
"movq %%mm7, %0 \n\t"
TRANSPOSE4( %%mm0, %%mm2, %%mm4, %%mm6, %%mm7 )
"movq %%mm0, 8(%1) \n\t"
"movq %%mm6, 24(%1) \n\t"
"movq %%mm7, 40(%1) \n\t"
"movq %%mm4, 56(%1) \n\t"
"movq %0, %%mm7 \n\t"
TRANSPOSE4( %%mm7, %%mm5, %%mm3, %%mm1, %%mm0 )
"movq %%mm7, (%1) \n\t"
"movq %%mm1, 16(%1) \n\t"
"movq %%mm0, 32(%1) \n\t"
"movq %%mm3, 48(%1) \n\t"
: "=m"(tmp)
: "r"(b2+32*i)
: "memory"
);
}
for(i=0; i<2; i++){
h264_idct8_1d(b2+4*i);
__asm__ volatile(
"psraw $6, %%mm7 \n\t"
"psraw $6, %%mm6 \n\t"
"psraw $6, %%mm5 \n\t"
"psraw $6, %%mm4 \n\t"
"psraw $6, %%mm3 \n\t"
"psraw $6, %%mm2 \n\t"
"psraw $6, %%mm1 \n\t"
"psraw $6, %%mm0 \n\t"
"movq %%mm7, (%0) \n\t"
"movq %%mm5, 16(%0) \n\t"
"movq %%mm3, 32(%0) \n\t"
"movq %%mm1, 48(%0) \n\t"
"movq %%mm0, 64(%0) \n\t"
"movq %%mm2, 80(%0) \n\t"
"movq %%mm4, 96(%0) \n\t"
"movq %%mm6, 112(%0) \n\t"
:: "r"(b2+4*i)
: "memory"
);
}
ff_add_pixels_clamped_mmx(b2, dst, stride);
}
#define STORE_DIFF_8P( p, d, t, z )\
"movq "#d", "#t" \n"\
"psraw $6, "#p" \n"\
"punpcklbw "#z", "#t" \n"\
"paddsw "#t", "#p" \n"\
"packuswb "#p", "#p" \n"\
"movq "#p", "#d" \n"
#define H264_IDCT8_1D_SSE2(a,b,c,d,e,f,g,h)\
"movdqa "#c", "#a" \n"\
"movdqa "#g", "#e" \n"\
"psraw $1, "#c" \n"\
"psraw $1, "#g" \n"\
"psubw "#e", "#c" \n"\
"paddw "#a", "#g" \n"\
"movdqa "#b", "#e" \n"\
"psraw $1, "#e" \n"\
"paddw "#b", "#e" \n"\
"paddw "#d", "#e" \n"\
"paddw "#f", "#e" \n"\
"movdqa "#f", "#a" \n"\
"psraw $1, "#a" \n"\
"paddw "#f", "#a" \n"\
"paddw "#h", "#a" \n"\
"psubw "#b", "#a" \n"\
"psubw "#d", "#b" \n"\
"psubw "#d", "#f" \n"\
"paddw "#h", "#b" \n"\
"psubw "#h", "#f" \n"\
"psraw $1, "#d" \n"\
"psraw $1, "#h" \n"\
"psubw "#d", "#b" \n"\
"psubw "#h", "#f" \n"\
"movdqa "#e", "#d" \n"\
"movdqa "#a", "#h" \n"\
"psraw $2, "#d" \n"\
"psraw $2, "#h" \n"\
"paddw "#f", "#d" \n"\
"paddw "#b", "#h" \n"\
"psraw $2, "#f" \n"\
"psraw $2, "#b" \n"\
"psubw "#f", "#e" \n"\
"psubw "#a", "#b" \n"\
"movdqa 0x00(%1), "#a" \n"\
"movdqa 0x40(%1), "#f" \n"\
SUMSUB_BA(f, a)\
SUMSUB_BA(g, f)\
SUMSUB_BA(c, a)\
SUMSUB_BA(e, g)\
SUMSUB_BA(b, c)\
SUMSUB_BA(h, a)\
SUMSUB_BA(d, f)
static void ff_h264_idct8_add_sse2(uint8_t *dst, int16_t *block, int stride)
{
__asm__ volatile(
"movdqa 0x10(%1), %%xmm1 \n"
"movdqa 0x20(%1), %%xmm2 \n"
"movdqa 0x30(%1), %%xmm3 \n"
"movdqa 0x50(%1), %%xmm5 \n"
"movdqa 0x60(%1), %%xmm6 \n"
"movdqa 0x70(%1), %%xmm7 \n"
H264_IDCT8_1D_SSE2(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm6, %%xmm7)
TRANSPOSE8(%%xmm4, %%xmm1, %%xmm7, %%xmm3, %%xmm5, %%xmm0, %%xmm2, %%xmm6, (%1))
"paddw %4, %%xmm4 \n"
"movdqa %%xmm4, 0x00(%1) \n"
"movdqa %%xmm2, 0x40(%1) \n"
H264_IDCT8_1D_SSE2(%%xmm4, %%xmm0, %%xmm6, %%xmm3, %%xmm2, %%xmm5, %%xmm7, %%xmm1)
"movdqa %%xmm6, 0x60(%1) \n"
"movdqa %%xmm7, 0x70(%1) \n"
"pxor %%xmm7, %%xmm7 \n"
STORE_DIFF_8P(%%xmm2, (%0), %%xmm6, %%xmm7)
STORE_DIFF_8P(%%xmm0, (%0,%2), %%xmm6, %%xmm7)
STORE_DIFF_8P(%%xmm1, (%0,%2,2), %%xmm6, %%xmm7)
STORE_DIFF_8P(%%xmm3, (%0,%3), %%xmm6, %%xmm7)
"lea (%0,%2,4), %0 \n"
STORE_DIFF_8P(%%xmm5, (%0), %%xmm6, %%xmm7)
STORE_DIFF_8P(%%xmm4, (%0,%2), %%xmm6, %%xmm7)
"movdqa 0x60(%1), %%xmm0 \n"
"movdqa 0x70(%1), %%xmm1 \n"
STORE_DIFF_8P(%%xmm0, (%0,%2,2), %%xmm6, %%xmm7)
STORE_DIFF_8P(%%xmm1, (%0,%3), %%xmm6, %%xmm7)
:"+r"(dst)
:"r"(block), "r"((x86_reg)stride), "r"((x86_reg)3L*stride), "m"(ff_pw_32)
);
}
static void ff_h264_idct_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride)
{
int dc = (block[0] + 32) >> 6;
__asm__ volatile(
"movd %0, %%mm0 \n\t"
"pshufw $0, %%mm0, %%mm0 \n\t"
"pxor %%mm1, %%mm1 \n\t"
"psubw %%mm0, %%mm1 \n\t"
"packuswb %%mm0, %%mm0 \n\t"
"packuswb %%mm1, %%mm1 \n\t"
::"r"(dc)
);
__asm__ volatile(
"movd %0, %%mm2 \n\t"
"movd %1, %%mm3 \n\t"
"movd %2, %%mm4 \n\t"
"movd %3, %%mm5 \n\t"
"paddusb %%mm0, %%mm2 \n\t"
"paddusb %%mm0, %%mm3 \n\t"
"paddusb %%mm0, %%mm4 \n\t"
"paddusb %%mm0, %%mm5 \n\t"
"psubusb %%mm1, %%mm2 \n\t"
"psubusb %%mm1, %%mm3 \n\t"
"psubusb %%mm1, %%mm4 \n\t"
"psubusb %%mm1, %%mm5 \n\t"
"movd %%mm2, %0 \n\t"
"movd %%mm3, %1 \n\t"
"movd %%mm4, %2 \n\t"
"movd %%mm5, %3 \n\t"
:"+m"(*(uint32_t*)(dst+0*stride)),
"+m"(*(uint32_t*)(dst+1*stride)),
"+m"(*(uint32_t*)(dst+2*stride)),
"+m"(*(uint32_t*)(dst+3*stride))
);
}
static void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride)
{
int dc = (block[0] + 32) >> 6;
int y;
__asm__ volatile(
"movd %0, %%mm0 \n\t"
"pshufw $0, %%mm0, %%mm0 \n\t"
"pxor %%mm1, %%mm1 \n\t"
"psubw %%mm0, %%mm1 \n\t"
"packuswb %%mm0, %%mm0 \n\t"
"packuswb %%mm1, %%mm1 \n\t"
::"r"(dc)
);
for(y=2; y--; dst += 4*stride){
__asm__ volatile(
"movq %0, %%mm2 \n\t"
"movq %1, %%mm3 \n\t"
"movq %2, %%mm4 \n\t"
"movq %3, %%mm5 \n\t"
"paddusb %%mm0, %%mm2 \n\t"
"paddusb %%mm0, %%mm3 \n\t"
"paddusb %%mm0, %%mm4 \n\t"
"paddusb %%mm0, %%mm5 \n\t"
"psubusb %%mm1, %%mm2 \n\t"
"psubusb %%mm1, %%mm3 \n\t"
"psubusb %%mm1, %%mm4 \n\t"
"psubusb %%mm1, %%mm5 \n\t"
"movq %%mm2, %0 \n\t"
"movq %%mm3, %1 \n\t"
"movq %%mm4, %2 \n\t"
"movq %%mm5, %3 \n\t"
:"+m"(*(uint64_t*)(dst+0*stride)),
"+m"(*(uint64_t*)(dst+1*stride)),
"+m"(*(uint64_t*)(dst+2*stride)),
"+m"(*(uint64_t*)(dst+3*stride))
);
}
}
//FIXME this table is a duplicate from h264data.h, and will be removed once the tables from, h264 have been split
static const uint8_t scan8[16 + 2*4]={
4+1*8, 5+1*8, 4+2*8, 5+2*8,
6+1*8, 7+1*8, 6+2*8, 7+2*8,
4+3*8, 5+3*8, 4+4*8, 5+4*8,
6+3*8, 7+3*8, 6+4*8, 7+4*8,
1+1*8, 2+1*8,
1+2*8, 2+2*8,
1+4*8, 2+4*8,
1+5*8, 2+5*8,
};
static void ff_h264_idct_add16_mmx(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i++){
if(nnzc[ scan8[i] ])
ff_h264_idct_add_mmx(dst + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct8_add4_mmx(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=4){
if(nnzc[ scan8[i] ])
ff_h264_idct8_add_mmx(dst + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct_add16_mmx2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i++){
int nnz = nnzc[ scan8[i] ];
if(nnz){
if(nnz==1 && block[i*16]) ff_h264_idct_dc_add_mmx2(dst + block_offset[i], block + i*16, stride);
else ff_h264_idct_add_mmx (dst + block_offset[i], block + i*16, stride);
}
}
}
static void ff_h264_idct_add16intra_mmx(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i++){
if(nnzc[ scan8[i] ] || block[i*16])
ff_h264_idct_add_mmx(dst + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct_add16intra_mmx2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i++){
if(nnzc[ scan8[i] ]) ff_h264_idct_add_mmx (dst + block_offset[i], block + i*16, stride);
else if(block[i*16]) ff_h264_idct_dc_add_mmx2(dst + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct8_add4_mmx2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=4){
int nnz = nnzc[ scan8[i] ];
if(nnz){
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_mmx2(dst + block_offset[i], block + i*16, stride);
else ff_h264_idct8_add_mmx (dst + block_offset[i], block + i*16, stride);
}
}
}
static void ff_h264_idct8_add4_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=4){
int nnz = nnzc[ scan8[i] ];
if(nnz){
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_mmx2(dst + block_offset[i], block + i*16, stride);
else ff_h264_idct8_add_sse2 (dst + block_offset[i], block + i*16, stride);
}
}
}
static void ff_h264_idct_add8_mmx(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=16; i<16+8; i++){
if(nnzc[ scan8[i] ] || block[i*16])
ff_h264_idct_add_mmx (dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct_add8_mmx2(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=16; i<16+8; i++){
if(nnzc[ scan8[i] ])
ff_h264_idct_add_mmx (dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
else if(block[i*16])
ff_h264_idct_dc_add_mmx2(dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
}
}
#if CONFIG_GPL && HAVE_YASM
static void ff_h264_idct_dc_add8_mmx2(uint8_t *dst, int16_t *block, int stride)
{
__asm__ volatile(
"movd %0, %%mm0 \n\t" // 0 0 X D
"punpcklwd %1, %%mm0 \n\t" // x X d D
"paddsw %2, %%mm0 \n\t"
"psraw $6, %%mm0 \n\t"
"punpcklwd %%mm0, %%mm0 \n\t" // d d D D
"pxor %%mm1, %%mm1 \n\t" // 0 0 0 0
"psubw %%mm0, %%mm1 \n\t" // -d-d-D-D
"packuswb %%mm1, %%mm0 \n\t" // -d-d-D-D d d D D
"pshufw $0xFA, %%mm0, %%mm1 \n\t" // -d-d-d-d-D-D-D-D
"punpcklwd %%mm0, %%mm0 \n\t" // d d d d D D D D
::"m"(block[ 0]),
"m"(block[16]),
"m"(ff_pw_32)
);
__asm__ volatile(
"movq %0, %%mm2 \n\t"
"movq %1, %%mm3 \n\t"
"movq %2, %%mm4 \n\t"
"movq %3, %%mm5 \n\t"
"paddusb %%mm0, %%mm2 \n\t"
"paddusb %%mm0, %%mm3 \n\t"
"paddusb %%mm0, %%mm4 \n\t"
"paddusb %%mm0, %%mm5 \n\t"
"psubusb %%mm1, %%mm2 \n\t"
"psubusb %%mm1, %%mm3 \n\t"
"psubusb %%mm1, %%mm4 \n\t"
"psubusb %%mm1, %%mm5 \n\t"
"movq %%mm2, %0 \n\t"
"movq %%mm3, %1 \n\t"
"movq %%mm4, %2 \n\t"
"movq %%mm5, %3 \n\t"
:"+m"(*(uint64_t*)(dst+0*stride)),
"+m"(*(uint64_t*)(dst+1*stride)),
"+m"(*(uint64_t*)(dst+2*stride)),
"+m"(*(uint64_t*)(dst+3*stride))
);
}
extern void ff_x264_add8x4_idct_sse2(uint8_t *dst, int16_t *block, int stride);
static void ff_h264_idct_add16_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=2)
if(nnzc[ scan8[i+0] ]|nnzc[ scan8[i+1] ])
ff_x264_add8x4_idct_sse2 (dst + block_offset[i], block + i*16, stride);
}
static void ff_h264_idct_add16intra_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=2){
if(nnzc[ scan8[i+0] ]|nnzc[ scan8[i+1] ])
ff_x264_add8x4_idct_sse2 (dst + block_offset[i], block + i*16, stride);
else if(block[i*16]|block[i*16+16])
ff_h264_idct_dc_add8_mmx2(dst + block_offset[i], block + i*16, stride);
}
}
static void ff_h264_idct_add8_sse2(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=16; i<16+8; i+=2){
if(nnzc[ scan8[i+0] ]|nnzc[ scan8[i+1] ])
ff_x264_add8x4_idct_sse2 (dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
else if(block[i*16]|block[i*16+16])
ff_h264_idct_dc_add8_mmx2(dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
}
}
#endif
/***********************************/
/* deblocking */
static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field ) {
int dir;
__asm__ volatile(
"movq %0, %%mm7 \n"
"movq %1, %%mm6 \n"
::"m"(ff_pb_1), "m"(ff_pb_3)
);
if(field)
__asm__ volatile(
"movq %0, %%mm6 \n"
::"m"(ff_pb_3_1)
);
__asm__ volatile(
"movq %%mm6, %%mm5 \n"
"paddb %%mm5, %%mm5 \n"
:);
// could do a special case for dir==0 && edges==1, but it only reduces the
// average filter time by 1.2%
for( dir=1; dir>=0; dir-- ) {
const x86_reg d_idx = dir ? -8 : -1;
const int mask_mv = dir ? mask_mv1 : mask_mv0;
DECLARE_ALIGNED(8, const uint64_t, mask_dir) = dir ? 0 : 0xffffffffffffffffULL;
int b_idx, edge;
for( b_idx=12, edge=0; edge<edges; edge+=step, b_idx+=8*step ) {
__asm__ volatile(
"pand %0, %%mm0 \n\t"
::"m"(mask_dir)
);
if(!(mask_mv & edge)) {
if(bidir) {
__asm__ volatile(
"movd (%1,%0), %%mm2 \n"
"punpckldq 40(%1,%0), %%mm2 \n" // { ref0[bn], ref1[bn] }
"pshufw $0x44, (%1), %%mm0 \n" // { ref0[b], ref0[b] }
"pshufw $0x44, 40(%1), %%mm1 \n" // { ref1[b], ref1[b] }
"pshufw $0x4E, %%mm2, %%mm3 \n"
"psubb %%mm2, %%mm0 \n" // { ref0[b]!=ref0[bn], ref0[b]!=ref1[bn] }
"psubb %%mm3, %%mm1 \n" // { ref1[b]!=ref1[bn], ref1[b]!=ref0[bn] }
"1: \n"
"por %%mm1, %%mm0 \n"
"movq (%2,%0,4), %%mm1 \n"
"movq 8(%2,%0,4), %%mm2 \n"
"movq %%mm1, %%mm3 \n"
"movq %%mm2, %%mm4 \n"
"psubw (%2), %%mm1 \n"
"psubw 8(%2), %%mm2 \n"
"psubw 160(%2), %%mm3 \n"
"psubw 168(%2), %%mm4 \n"
"packsswb %%mm2, %%mm1 \n"
"packsswb %%mm4, %%mm3 \n"
"paddb %%mm6, %%mm1 \n"
"paddb %%mm6, %%mm3 \n"
"psubusb %%mm5, %%mm1 \n" // abs(mv[b] - mv[bn]) >= limit
"psubusb %%mm5, %%mm3 \n"
"packsswb %%mm3, %%mm1 \n"
"add $40, %0 \n"
"cmp $40, %0 \n"
"jl 1b \n"
"sub $80, %0 \n"
"pshufw $0x4E, %%mm1, %%mm1 \n"
"por %%mm1, %%mm0 \n"
"pshufw $0x4E, %%mm0, %%mm1 \n"
"pminub %%mm1, %%mm0 \n"
::"r"(d_idx),
"r"(ref[0]+b_idx),
"r"(mv[0]+b_idx)
);
} else {
__asm__ volatile(
"movd (%1), %%mm0 \n"
"psubb (%1,%0), %%mm0 \n" // ref[b] != ref[bn]
"movq (%2), %%mm1 \n"
"movq 8(%2), %%mm2 \n"
"psubw (%2,%0,4), %%mm1 \n"
"psubw 8(%2,%0,4), %%mm2 \n"
"packsswb %%mm2, %%mm1 \n"
"paddb %%mm6, %%mm1 \n"
"psubusb %%mm5, %%mm1 \n" // abs(mv[b] - mv[bn]) >= limit
"packsswb %%mm1, %%mm1 \n"
"por %%mm1, %%mm0 \n"
::"r"(d_idx),
"r"(ref[0]+b_idx),
"r"(mv[0]+b_idx)
);
}
}
__asm__ volatile(
"movd %0, %%mm1 \n"
"por %1, %%mm1 \n" // nnz[b] || nnz[bn]
::"m"(nnz[b_idx]),
"m"(nnz[b_idx+d_idx])
);
__asm__ volatile(
"pminub %%mm7, %%mm1 \n"
"pminub %%mm7, %%mm0 \n"
"psllw $1, %%mm1 \n"
"pxor %%mm2, %%mm2 \n"
"pmaxub %%mm0, %%mm1 \n"
"punpcklbw %%mm2, %%mm1 \n"
"movq %%mm1, %0 \n"
:"=m"(*bS[dir][edge])
::"memory"
);
}
edges = 4;
step = 1;
}
__asm__ volatile(
"movq (%0), %%mm0 \n\t"
"movq 8(%0), %%mm1 \n\t"
"movq 16(%0), %%mm2 \n\t"
"movq 24(%0), %%mm3 \n\t"
TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4)
"movq %%mm0, (%0) \n\t"
"movq %%mm3, 8(%0) \n\t"
"movq %%mm4, 16(%0) \n\t"
"movq %%mm2, 24(%0) \n\t"
::"r"(bS[0])
:"memory"
);
}
#define LF_FUNC(DIR, TYPE, OPT) \
void ff_x264_deblock_ ## DIR ## _ ## TYPE ## _ ## OPT (uint8_t *pix, int stride, \
int alpha, int beta, int8_t *tc0);
#define LF_IFUNC(DIR, TYPE, OPT) \
void ff_x264_deblock_ ## DIR ## _ ## TYPE ## _ ## OPT (uint8_t *pix, int stride, \
int alpha, int beta);
LF_FUNC (h, chroma, mmxext)
LF_IFUNC(h, chroma_intra, mmxext)
LF_FUNC (v, chroma, mmxext)
LF_IFUNC(v, chroma_intra, mmxext)
LF_FUNC (h, luma, mmxext)
LF_IFUNC(h, luma_intra, mmxext)
#if HAVE_YASM && ARCH_X86_32
LF_FUNC (v8, luma, mmxext)
static void ff_x264_deblock_v_luma_mmxext(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
if((tc0[0] & tc0[1]) >= 0)
ff_x264_deblock_v8_luma_mmxext(pix+0, stride, alpha, beta, tc0);
if((tc0[2] & tc0[3]) >= 0)
ff_x264_deblock_v8_luma_mmxext(pix+8, stride, alpha, beta, tc0+2);
}
LF_IFUNC(v8, luma_intra, mmxext)
static void ff_x264_deblock_v_luma_intra_mmxext(uint8_t *pix, int stride, int alpha, int beta)
{
ff_x264_deblock_v8_luma_intra_mmxext(pix+0, stride, alpha, beta);
ff_x264_deblock_v8_luma_intra_mmxext(pix+8, stride, alpha, beta);
}
#endif
LF_FUNC (h, luma, sse2)
LF_IFUNC(h, luma_intra, sse2)
LF_FUNC (v, luma, sse2)
LF_IFUNC(v, luma_intra, sse2)
/***********************************/
/* weighted prediction */
#define H264_WEIGHT(W, H, OPT) \
void ff_h264_weight_ ## W ## x ## H ## _ ## OPT(uint8_t *dst, \
int stride, int log2_denom, int weight, int offset);
#define H264_BIWEIGHT(W, H, OPT) \
void ff_h264_biweight_ ## W ## x ## H ## _ ## OPT(uint8_t *dst, \
uint8_t *src, int stride, int log2_denom, int weightd, \
int weights, int offset);
#define H264_BIWEIGHT_MMX(W,H) \
H264_WEIGHT (W, H, mmx2) \
H264_BIWEIGHT(W, H, mmx2)
#define H264_BIWEIGHT_MMX_SSE(W,H) \
H264_BIWEIGHT_MMX(W, H) \
H264_WEIGHT (W, H, sse2) \
H264_BIWEIGHT (W, H, sse2) \
H264_BIWEIGHT (W, H, ssse3)
H264_BIWEIGHT_MMX_SSE(16, 16)
H264_BIWEIGHT_MMX_SSE(16, 8)
H264_BIWEIGHT_MMX_SSE( 8, 16)
H264_BIWEIGHT_MMX_SSE( 8, 8)
H264_BIWEIGHT_MMX_SSE( 8, 4)
H264_BIWEIGHT_MMX ( 4, 8)
H264_BIWEIGHT_MMX ( 4, 4)
H264_BIWEIGHT_MMX ( 4, 2)
void ff_h264dsp_init_x86(H264DSPContext *c)
{
int mm_flags = av_get_cpu_flags();
if (mm_flags & AV_CPU_FLAG_MMX) {
c->h264_idct_dc_add=
c->h264_idct_add= ff_h264_idct_add_mmx;
c->h264_idct8_dc_add=
c->h264_idct8_add= ff_h264_idct8_add_mmx;
c->h264_idct_add16 = ff_h264_idct_add16_mmx;
c->h264_idct8_add4 = ff_h264_idct8_add4_mmx;
c->h264_idct_add8 = ff_h264_idct_add8_mmx;
c->h264_idct_add16intra= ff_h264_idct_add16intra_mmx;
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->h264_idct_dc_add= ff_h264_idct_dc_add_mmx2;
c->h264_idct8_dc_add= ff_h264_idct8_dc_add_mmx2;
c->h264_idct_add16 = ff_h264_idct_add16_mmx2;
c->h264_idct8_add4 = ff_h264_idct8_add4_mmx2;
c->h264_idct_add8 = ff_h264_idct_add8_mmx2;
c->h264_idct_add16intra= ff_h264_idct_add16intra_mmx2;
c->h264_loop_filter_strength= h264_loop_filter_strength_mmx2;
}
if(mm_flags & AV_CPU_FLAG_SSE2){
c->h264_idct8_add = ff_h264_idct8_add_sse2;
c->h264_idct8_add4= ff_h264_idct8_add4_sse2;
}
#if HAVE_YASM
if (mm_flags & AV_CPU_FLAG_MMX2){
c->h264_v_loop_filter_chroma= ff_x264_deblock_v_chroma_mmxext;
c->h264_h_loop_filter_chroma= ff_x264_deblock_h_chroma_mmxext;
c->h264_v_loop_filter_chroma_intra= ff_x264_deblock_v_chroma_intra_mmxext;
c->h264_h_loop_filter_chroma_intra= ff_x264_deblock_h_chroma_intra_mmxext;
#if ARCH_X86_32
c->h264_v_loop_filter_luma= ff_x264_deblock_v_luma_mmxext;
c->h264_h_loop_filter_luma= ff_x264_deblock_h_luma_mmxext;
c->h264_v_loop_filter_luma_intra = ff_x264_deblock_v_luma_intra_mmxext;
c->h264_h_loop_filter_luma_intra = ff_x264_deblock_h_luma_intra_mmxext;
#endif
c->weight_h264_pixels_tab[0]= ff_h264_weight_16x16_mmx2;
c->weight_h264_pixels_tab[1]= ff_h264_weight_16x8_mmx2;
c->weight_h264_pixels_tab[2]= ff_h264_weight_8x16_mmx2;
c->weight_h264_pixels_tab[3]= ff_h264_weight_8x8_mmx2;
c->weight_h264_pixels_tab[4]= ff_h264_weight_8x4_mmx2;
c->weight_h264_pixels_tab[5]= ff_h264_weight_4x8_mmx2;
c->weight_h264_pixels_tab[6]= ff_h264_weight_4x4_mmx2;
c->weight_h264_pixels_tab[7]= ff_h264_weight_4x2_mmx2;
c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_mmx2;
c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_mmx2;
c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_mmx2;
c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_mmx2;
c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_mmx2;
c->biweight_h264_pixels_tab[5]= ff_h264_biweight_4x8_mmx2;
c->biweight_h264_pixels_tab[6]= ff_h264_biweight_4x4_mmx2;
c->biweight_h264_pixels_tab[7]= ff_h264_biweight_4x2_mmx2;
if (mm_flags&AV_CPU_FLAG_SSE2) {
c->weight_h264_pixels_tab[0]= ff_h264_weight_16x16_sse2;
c->weight_h264_pixels_tab[1]= ff_h264_weight_16x8_sse2;
c->weight_h264_pixels_tab[2]= ff_h264_weight_8x16_sse2;
c->weight_h264_pixels_tab[3]= ff_h264_weight_8x8_sse2;
c->weight_h264_pixels_tab[4]= ff_h264_weight_8x4_sse2;
c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_sse2;
c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_sse2;
c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_sse2;
c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_sse2;
c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_sse2;
#if ARCH_X86_64 || !defined(__ICC) || __ICC > 1110
c->h264_v_loop_filter_luma = ff_x264_deblock_v_luma_sse2;
c->h264_h_loop_filter_luma = ff_x264_deblock_h_luma_sse2;
c->h264_v_loop_filter_luma_intra = ff_x264_deblock_v_luma_intra_sse2;
c->h264_h_loop_filter_luma_intra = ff_x264_deblock_h_luma_intra_sse2;
#endif
#if CONFIG_GPL
c->h264_idct_add16 = ff_h264_idct_add16_sse2;
c->h264_idct_add8 = ff_h264_idct_add8_sse2;
c->h264_idct_add16intra = ff_h264_idct_add16intra_sse2;
#endif
}
if (mm_flags&AV_CPU_FLAG_SSSE3) {
c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_ssse3;
c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_ssse3;
c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_ssse3;
c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_ssse3;
c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_ssse3;
}
}
#endif
}
}