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ffmpeg/libavcodec/x86/h264dsp_init.c
Diego Biurrun 5ab03e41e5 x86: h264dsp: Fix link failure with optimizations disabled 
With optimzations disabled compilers have trouble doing dead code
elimination on 'if (foo && 0)' expressions, while 'if (0 && foo)'
still works, so use the latter to avoid problems.

Bug-Id: 707
2014-06-25 15:24:51 -07:00

369 lines
17 KiB
C
Raw Blame History

/*
* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/h264dsp.h"
/***********************************/
/* IDCT */
#define IDCT_ADD_FUNC(NUM, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add_ ## DEPTH ## _ ## OPT(uint8_t *dst, \
int16_t *block, \
int stride);
IDCT_ADD_FUNC(, 8, mmx)
IDCT_ADD_FUNC(, 10, sse2)
IDCT_ADD_FUNC(_dc, 8, mmxext)
IDCT_ADD_FUNC(_dc, 10, mmxext)
IDCT_ADD_FUNC(8_dc, 8, mmxext)
IDCT_ADD_FUNC(8_dc, 10, sse2)
IDCT_ADD_FUNC(8, 8, mmx)
IDCT_ADD_FUNC(8, 8, sse2)
IDCT_ADD_FUNC(8, 10, sse2)
IDCT_ADD_FUNC(, 10, avx)
IDCT_ADD_FUNC(8_dc, 10, avx)
IDCT_ADD_FUNC(8, 10, avx)
#define IDCT_ADD_REP_FUNC(NUM, REP, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
(uint8_t *dst, const int *block_offset, \
int16_t *block, int stride, const uint8_t nnzc[6 * 8]);
IDCT_ADD_REP_FUNC(8, 4, 8, mmx)
IDCT_ADD_REP_FUNC(8, 4, 8, mmxext)
IDCT_ADD_REP_FUNC(8, 4, 8, sse2)
IDCT_ADD_REP_FUNC(8, 4, 10, sse2)
IDCT_ADD_REP_FUNC(8, 4, 10, avx)
IDCT_ADD_REP_FUNC(, 16, 8, mmx)
IDCT_ADD_REP_FUNC(, 16, 8, mmxext)
IDCT_ADD_REP_FUNC(, 16, 8, sse2)
IDCT_ADD_REP_FUNC(, 16, 10, sse2)
IDCT_ADD_REP_FUNC(, 16intra, 8, mmx)
IDCT_ADD_REP_FUNC(, 16intra, 8, mmxext)
IDCT_ADD_REP_FUNC(, 16intra, 8, sse2)
IDCT_ADD_REP_FUNC(, 16intra, 10, sse2)
IDCT_ADD_REP_FUNC(, 16, 10, avx)
IDCT_ADD_REP_FUNC(, 16intra, 10, avx)
#define IDCT_ADD_REP_FUNC2(NUM, REP, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
(uint8_t **dst, const int *block_offset, \
int16_t *block, int stride, const uint8_t nnzc[6 * 8]);
IDCT_ADD_REP_FUNC2(, 8, 8, mmx)
IDCT_ADD_REP_FUNC2(, 8, 8, mmxext)
IDCT_ADD_REP_FUNC2(, 8, 8, sse2)
IDCT_ADD_REP_FUNC2(, 8, 10, sse2)
IDCT_ADD_REP_FUNC2(, 8, 10, avx)
void ff_h264_luma_dc_dequant_idct_mmx(int16_t *output, int16_t *input, int qmul);
void ff_h264_luma_dc_dequant_idct_sse2(int16_t *output, int16_t *input, int qmul);
/***********************************/
/* deblocking */
void ff_h264_loop_filter_strength_mmxext(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);
#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)
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
LF_FUNC(v8, luma, 8, mmxext)
static void 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 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);
}
#endif /* ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL */
LF_FUNC(v, luma, 10, mmxext)
LF_IFUNC(v, luma_intra, 10, mmxext)
/***********************************/
/* weighted prediction */
#define H264_WEIGHT(W, OPT) \
void ff_h264_weight_ ## W ## _ ## OPT(uint8_t *dst, int stride, \
int height, int log2_denom, \
int weight, int offset);
#define H264_BIWEIGHT(W, OPT) \
void ff_h264_biweight_ ## W ## _ ## OPT(uint8_t *dst, uint8_t *src, \
int stride, int height, \
int log2_denom, int weightd, \
int weights, int offset);
#define H264_BIWEIGHT_MMX(W) \
H264_WEIGHT(W, mmxext) \
H264_BIWEIGHT(W, mmxext)
#define H264_BIWEIGHT_MMX_SSE(W) \
H264_BIWEIGHT_MMX(W) \
H264_WEIGHT(W, sse2) \
H264_BIWEIGHT(W, sse2) \
H264_BIWEIGHT(W, ssse3)
H264_BIWEIGHT_MMX_SSE(16)
H264_BIWEIGHT_MMX_SSE(8)
H264_BIWEIGHT_MMX(4)
#define H264_WEIGHT_10(W, DEPTH, OPT) \
void ff_h264_weight_ ## W ## _ ## DEPTH ## _ ## OPT(uint8_t *dst, \
int stride, \
int height, \
int log2_denom, \
int weight, \
int offset);
#define H264_BIWEIGHT_10(W, DEPTH, OPT) \
void ff_h264_biweight_ ## W ## _ ## DEPTH ## _ ## OPT(uint8_t *dst, \
uint8_t *src, \
int stride, \
int height, \
int log2_denom, \
int weightd, \
int weights, \
int offset);
#define H264_BIWEIGHT_10_SSE(W, DEPTH) \
H264_WEIGHT_10(W, DEPTH, sse2) \
H264_WEIGHT_10(W, DEPTH, sse4) \
H264_BIWEIGHT_10(W, DEPTH, sse2) \
H264_BIWEIGHT_10(W, DEPTH, sse4)
H264_BIWEIGHT_10_SSE(16, 10)
H264_BIWEIGHT_10_SSE(8, 10)
H264_BIWEIGHT_10_SSE(4, 10)
av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
const int chroma_format_idc)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_MMXEXT(cpu_flags) && chroma_format_idc <= 1)
c->h264_loop_filter_strength = ff_h264_loop_filter_strength_mmxext;
if (bit_depth == 8) {
if (EXTERNAL_MMX(cpu_flags)) {
c->h264_idct_dc_add =
c->h264_idct_add = ff_h264_idct_add_8_mmx;
c->h264_idct8_dc_add =
c->h264_idct8_add = ff_h264_idct8_add_8_mmx;
c->h264_idct_add16 = ff_h264_idct_add16_8_mmx;
c->h264_idct8_add4 = ff_h264_idct8_add4_8_mmx;
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_8_mmx;
c->h264_idct_add16intra = ff_h264_idct_add16intra_8_mmx;
if (cpu_flags & AV_CPU_FLAG_CMOV)
c->h264_luma_dc_dequant_idct = ff_h264_luma_dc_dequant_idct_mmx;
}
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->h264_idct_dc_add = ff_h264_idct_dc_add_8_mmxext;
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_8_mmxext;
c->h264_idct_add16 = ff_h264_idct_add16_8_mmxext;
c->h264_idct8_add4 = ff_h264_idct8_add4_8_mmxext;
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_8_mmxext;
c->h264_idct_add16intra = ff_h264_idct_add16intra_8_mmxext;
c->h264_v_loop_filter_chroma = ff_deblock_v_chroma_8_mmxext;
c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_8_mmxext;
if (chroma_format_idc <= 1) {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_8_mmxext;
c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma_intra_8_mmxext;
}
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
c->h264_v_loop_filter_luma = deblock_v_luma_8_mmxext;
c->h264_h_loop_filter_luma = ff_deblock_h_luma_8_mmxext;
c->h264_v_loop_filter_luma_intra = deblock_v_luma_intra_8_mmxext;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_mmxext;
#endif /* ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL */
c->weight_h264_pixels_tab[0] = ff_h264_weight_16_mmxext;
c->weight_h264_pixels_tab[1] = ff_h264_weight_8_mmxext;
c->weight_h264_pixels_tab[2] = ff_h264_weight_4_mmxext;
c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_mmxext;
c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_mmxext;
c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->h264_idct8_add = ff_h264_idct8_add_8_sse2;
c->h264_idct_add16 = ff_h264_idct_add16_8_sse2;
c->h264_idct8_add4 = ff_h264_idct8_add4_8_sse2;
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_8_sse2;
c->h264_idct_add16intra = ff_h264_idct_add16intra_8_sse2;
c->h264_luma_dc_dequant_idct = ff_h264_luma_dc_dequant_idct_sse2;
c->weight_h264_pixels_tab[0] = ff_h264_weight_16_sse2;
c->weight_h264_pixels_tab[1] = ff_h264_weight_8_sse2;
c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_sse2;
c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_sse2;
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;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_ssse3;
c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_ssse3;
}
if (EXTERNAL_AVX(cpu_flags)) {
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;
}
} else if (bit_depth == 10) {
if (EXTERNAL_MMXEXT(cpu_flags)) {
#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 /* ARCH_X86_32 */
c->h264_idct_dc_add = ff_h264_idct_dc_add_10_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->h264_idct_add = ff_h264_idct_add_10_sse2;
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_sse2;
c->h264_idct_add16 = ff_h264_idct_add16_10_sse2;
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_10_sse2;
c->h264_idct_add16intra = ff_h264_idct_add16intra_10_sse2;
#if HAVE_ALIGNED_STACK
c->h264_idct8_add = ff_h264_idct8_add_10_sse2;
c->h264_idct8_add4 = ff_h264_idct8_add4_10_sse2;
#endif /* HAVE_ALIGNED_STACK */
c->weight_h264_pixels_tab[0] = ff_h264_weight_16_10_sse2;
c->weight_h264_pixels_tab[1] = ff_h264_weight_8_10_sse2;
c->weight_h264_pixels_tab[2] = ff_h264_weight_4_10_sse2;
c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_10_sse2;
c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_10_sse2;
c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_10_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 /* HAVE_ALIGNED_STACK */
}
if (EXTERNAL_SSE4(cpu_flags)) {
c->weight_h264_pixels_tab[0] = ff_h264_weight_16_10_sse4;
c->weight_h264_pixels_tab[1] = ff_h264_weight_8_10_sse4;
c->weight_h264_pixels_tab[2] = ff_h264_weight_4_10_sse4;
c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_10_sse4;
c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_10_sse4;
c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_10_sse4;
}
if (EXTERNAL_AVX(cpu_flags)) {
c->h264_idct_dc_add =
c->h264_idct_add = ff_h264_idct_add_10_avx;
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_avx;
c->h264_idct_add16 = ff_h264_idct_add16_10_avx;
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_10_avx;
c->h264_idct_add16intra = ff_h264_idct_add16intra_10_avx;
#if HAVE_ALIGNED_STACK
c->h264_idct8_add = ff_h264_idct8_add_10_avx;
c->h264_idct8_add4 = ff_h264_idct8_add4_10_avx;
#endif /* HAVE_ALIGNED_STACK */
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 /* HAVE_ALIGNED_STACK */
}
}
}
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