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FFmpeg/libavcodec/x86/h264dsp_mmx.c

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/*
* 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;
/***********************************/
/* IDCT */
void ff_h264_idct_add_mmx (uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct8_add_mmx (uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct8_add_sse2 (uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct_dc_add_mmx2 (uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct_add16_mmx (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct8_add4_mmx (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add16_mmx2 (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add16intra_mmx (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add16intra_mmx2(uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct8_add4_mmx2 (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct8_add4_sse2 (uint8_t *dst, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add8_mmx (uint8_t **dest, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add8_mmx2 (uint8_t **dest, const int *block_offset,
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add16_sse2 (uint8_t *dst, const int *block_offset, DCTELEM *block,
int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add16intra_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block,
int stride, const uint8_t nnzc[6*8]);
void ff_h264_idct_add8_sse2 (uint8_t **dest, const int *block_offset, DCTELEM *block,
int stride, const uint8_t nnzc[6*8]);
void ff_h264_luma_dc_dequant_idct_mmx (DCTELEM *output, DCTELEM *input, int qmul);
void ff_h264_luma_dc_dequant_idct_sse2(DCTELEM *output, DCTELEM *input, int qmul);
/***********************************/
/* deblocking */
#define h264_loop_filter_strength_iteration_mmx2(bS, nz, ref, mv, bidir, edges, step, mask_mv, dir, d_idx, mask_dir) \
do { \
x86_reg b_idx; \
mask_mv <<= 3; \
for( b_idx=0; b_idx<edges; b_idx+=step ) { \
if (!mask_dir) \
__asm__ volatile( \
"pxor %%mm0, %%mm0 \n\t" \
:: \
); \
if(!(mask_mv & b_idx)) { \
if(bidir) { \
__asm__ volatile( \
"movd %a3(%0,%2), %%mm2 \n" \
"punpckldq %a4(%0,%2), %%mm2 \n" /* { ref0[bn], ref1[bn] } */ \
"pshufw $0x44, 12(%0,%2), %%mm0 \n" /* { ref0[b], ref0[b] } */ \
"pshufw $0x44, 52(%0,%2), %%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] } */ \
\
"por %%mm1, %%mm0 \n" \
"movq %a5(%1,%2,4), %%mm1 \n" \
"movq %a6(%1,%2,4), %%mm2 \n" \
"movq %%mm1, %%mm3 \n" \
"movq %%mm2, %%mm4 \n" \
"psubw 48(%1,%2,4), %%mm1 \n" \
"psubw 56(%1,%2,4), %%mm2 \n" \
"psubw 208(%1,%2,4), %%mm3 \n" \
"psubw 216(%1,%2,4), %%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" \
\
"por %%mm1, %%mm0 \n" \
"movq %a7(%1,%2,4), %%mm1 \n" \
"movq %a8(%1,%2,4), %%mm2 \n" \
"movq %%mm1, %%mm3 \n" \
"movq %%mm2, %%mm4 \n" \
"psubw 48(%1,%2,4), %%mm1 \n" \
"psubw 56(%1,%2,4), %%mm2 \n" \
"psubw 208(%1,%2,4), %%mm3 \n" \
"psubw 216(%1,%2,4), %%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" \
\
"pshufw $0x4E, %%mm1, %%mm1 \n" \
"por %%mm1, %%mm0 \n" \
"pshufw $0x4E, %%mm0, %%mm1 \n" \
"pminub %%mm1, %%mm0 \n" \
::"r"(ref), \
"r"(mv), \
"r"(b_idx), \
"i"(d_idx+12), \
"i"(d_idx+52), \
"i"(d_idx*4+48), \
"i"(d_idx*4+56), \
"i"(d_idx*4+208), \
"i"(d_idx*4+216) \
); \
} else { \
__asm__ volatile( \
"movd 12(%0,%2), %%mm0 \n" \
"psubb %a3(%0,%2), %%mm0 \n" /* ref[b] != ref[bn] */ \
"movq 48(%1,%2,4), %%mm1 \n" \
"movq 56(%1,%2,4), %%mm2 \n" \
"psubw %a4(%1,%2,4), %%mm1 \n" \
"psubw %a5(%1,%2,4), %%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"(ref), \
"r"(mv), \
"r"(b_idx), \
"i"(d_idx+12), \
"i"(d_idx*4+48), \
"i"(d_idx*4+56) \
); \
} \
} \
__asm__ volatile( \
"movd 12(%0,%1), %%mm1 \n" \
"por %a2(%0,%1), %%mm1 \n" /* nnz[b] || nnz[bn] */ \
::"r"(nnz), \
"r"(b_idx), \
"i"(d_idx+12) \
); \
__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, %a1(%0,%2) \n" \
::"r"(bS), \
"i"(32*dir), \
"r"(b_idx) \
:"memory" \
); \
} \
} while (0)
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 ) {
__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%
step <<= 3;
edges <<= 3;
h264_loop_filter_strength_iteration_mmx2(bS, nnz, ref, mv, bidir, edges, step, mask_mv1, 1, -8, 0);
h264_loop_filter_strength_iteration_mmx2(bS, nnz, ref, mv, bidir, 32, 8, mask_mv0, 0, -1, -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, DEPTH, OPT) \
void ff_deblock_ ## DIR ## _ ## TYPE ## _ ## DEPTH ## _ ## OPT (uint8_t *pix, int stride, \
int alpha, int beta, int8_t *tc0);
#define LF_IFUNC(DIR, TYPE, DEPTH, OPT) \
void ff_deblock_ ## DIR ## _ ## TYPE ## _ ## DEPTH ## _ ## OPT (uint8_t *pix, int stride, \
int alpha, int beta);
#define LF_FUNCS(type, depth)\
LF_FUNC (h, chroma, depth, mmxext)\
LF_IFUNC(h, chroma_intra, depth, mmxext)\
LF_FUNC (v, chroma, depth, mmxext)\
LF_IFUNC(v, chroma_intra, depth, mmxext)\
LF_FUNC (h, luma, depth, mmxext)\
LF_IFUNC(h, luma_intra, depth, mmxext)\
LF_FUNC (h, luma, depth, sse2)\
LF_IFUNC(h, luma_intra, depth, sse2)\
LF_FUNC (v, luma, depth, sse2)\
LF_IFUNC(v, luma_intra, depth, sse2)\
LF_FUNC (h, chroma, depth, sse2)\
LF_IFUNC(h, chroma_intra, depth, sse2)\
LF_FUNC (v, chroma, depth, sse2)\
LF_IFUNC(v, chroma_intra, depth, sse2)\
LF_FUNC (h, luma, depth, avx)\
LF_IFUNC(h, luma_intra, depth, avx)\
LF_FUNC (v, luma, depth, avx)\
LF_IFUNC(v, luma_intra, depth, avx)\
LF_FUNC (h, chroma, depth, avx)\
LF_IFUNC(h, chroma_intra, depth, avx)\
LF_FUNC (v, chroma, depth, avx)\
LF_IFUNC(v, chroma_intra, depth, avx)
LF_FUNCS( uint8_t, 8)
LF_FUNCS(uint16_t, 10)
LF_FUNC (v8, luma, 8, mmxext)
static void ff_deblock_v_luma_8_mmxext(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
if((tc0[0] & tc0[1]) >= 0)
ff_deblock_v8_luma_8_mmxext(pix+0, stride, alpha, beta, tc0);
if((tc0[2] & tc0[3]) >= 0)
ff_deblock_v8_luma_8_mmxext(pix+8, stride, alpha, beta, tc0+2);
}
LF_IFUNC(v8, luma_intra, 8, mmxext)
static void ff_deblock_v_luma_intra_8_mmxext(uint8_t *pix, int stride, int alpha, int beta)
{
ff_deblock_v8_luma_intra_8_mmxext(pix+0, stride, alpha, beta);
ff_deblock_v8_luma_intra_8_mmxext(pix+8, stride, alpha, beta);
}
LF_FUNC (v, luma, 10, mmxext)
LF_IFUNC(v, luma_intra, 10, mmxext)
/***********************************/
/* 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, const int bit_depth)
{
int mm_flags = av_get_cpu_flags();
if (bit_depth == 8) {
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->h264_loop_filter_strength= h264_loop_filter_strength_mmx2;
}
#if HAVE_YASM
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;
c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_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_v_loop_filter_chroma= ff_deblock_v_chroma_8_mmxext;
c->h264_h_loop_filter_chroma= ff_deblock_h_chroma_8_mmxext;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_8_mmxext;
c->h264_h_loop_filter_chroma_intra= ff_deblock_h_chroma_intra_8_mmxext;
#if ARCH_X86_32
c->h264_v_loop_filter_luma= ff_deblock_v_luma_8_mmxext;
c->h264_h_loop_filter_luma= ff_deblock_h_luma_8_mmxext;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_mmxext;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_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->h264_idct8_add = ff_h264_idct8_add_sse2;
c->h264_idct8_add4= ff_h264_idct8_add4_sse2;
c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_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 HAVE_ALIGNED_STACK
c->h264_v_loop_filter_luma = ff_deblock_v_luma_8_sse2;
c->h264_h_loop_filter_luma = ff_deblock_h_luma_8_sse2;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_sse2;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_sse2;
#endif
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;
}
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;
}
if (mm_flags&AV_CPU_FLAG_AVX) {
#if HAVE_ALIGNED_STACK
c->h264_v_loop_filter_luma = ff_deblock_v_luma_8_avx;
c->h264_h_loop_filter_luma = ff_deblock_h_luma_8_avx;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_avx;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_avx;
#endif
}
}
}
#endif
} else if (bit_depth == 10) {
#if HAVE_YASM
if (mm_flags & AV_CPU_FLAG_MMX) {
if (mm_flags & AV_CPU_FLAG_MMX2) {
#if ARCH_X86_32
c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_mmxext;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_10_mmxext;
c->h264_v_loop_filter_luma= ff_deblock_v_luma_10_mmxext;
c->h264_h_loop_filter_luma= ff_deblock_h_luma_10_mmxext;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_10_mmxext;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_mmxext;
#endif
if (mm_flags&AV_CPU_FLAG_SSE2) {
c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_sse2;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_10_sse2;
#if HAVE_ALIGNED_STACK
c->h264_v_loop_filter_luma = ff_deblock_v_luma_10_sse2;
c->h264_h_loop_filter_luma = ff_deblock_h_luma_10_sse2;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_10_sse2;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_sse2;
#endif
}
if (mm_flags&AV_CPU_FLAG_AVX) {
c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_avx;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_10_avx;
#if HAVE_ALIGNED_STACK
c->h264_v_loop_filter_luma = ff_deblock_v_luma_10_avx;
c->h264_h_loop_filter_luma = ff_deblock_h_luma_10_avx;
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_10_avx;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_avx;
#endif
}
}
}
#endif
}
}