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FFmpeg/libavcodec/x86/hevcdsp_init.c
James Almer fca3c3b619 hevc: Add AVX2 DC IDCT 
Originally written by Pierre Edouard Lepere <pierre-edouard.lepere@insa-rennes.fr>.
Integrated to Libav by Josh de Kock <josh@itanimul.li>.

Signed-off-by: Alexandra Hájková <alexandra@khirnov.net>
2016-07-18 15:27:13 +02:00

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/*
* Copyright (c) 2013 Seppo Tomperi
* Copyright (c) 2013 - 2014 Pierre-Edouard Lepere
*
* 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 "config.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/hevcdsp.h"
#define LFC_FUNC(DIR, DEPTH, OPT) \
void ff_hevc_ ## DIR ## _loop_filter_chroma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q);
#define LFL_FUNC(DIR, DEPTH, OPT) \
void ff_hevc_ ## DIR ## _loop_filter_luma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int beta, int *tc, uint8_t *no_p, uint8_t *no_q);
#define LFC_FUNCS(type, depth) \
LFC_FUNC(h, depth, sse2) \
LFC_FUNC(v, depth, sse2)
#define LFL_FUNCS(type, depth) \
LFL_FUNC(h, depth, ssse3) \
LFL_FUNC(v, depth, ssse3)
LFC_FUNCS(uint8_t, 8)
LFC_FUNCS(uint8_t, 10)
LFL_FUNCS(uint8_t, 8)
LFL_FUNCS(uint8_t, 10)
#define idct_dc_proto(size, bitd, opt) \
void ff_hevc_idct_ ## size ## _dc_add_ ## bitd ## _ ## opt(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride)
idct_dc_proto(4, 8,mmxext);
idct_dc_proto(8, 8,mmxext);
idct_dc_proto(16,8, sse2);
idct_dc_proto(32,8, sse2);
idct_dc_proto(32,8, avx2);
idct_dc_proto(4, 10,mmxext);
idct_dc_proto(8, 10, sse2);
idct_dc_proto(16,10, sse2);
idct_dc_proto(32,10, sse2);
idct_dc_proto(8, 10, avx);
idct_dc_proto(16,10, avx);
idct_dc_proto(32,10, avx);
idct_dc_proto(16,10, avx2);
idct_dc_proto(32,10, avx2);
#define IDCT_FUNCS(W, opt) \
void ff_hevc_idct_ ## W ## _dc_8_ ## opt(int16_t *coeffs); \
void ff_hevc_idct_ ## W ## _dc_10_ ## opt(int16_t *coeffs)
IDCT_FUNCS(4x4, mmxext);
IDCT_FUNCS(8x8, mmxext);
IDCT_FUNCS(8x8, sse2);
IDCT_FUNCS(16x16, sse2);
IDCT_FUNCS(32x32, sse2);
IDCT_FUNCS(16x16, avx2);
IDCT_FUNCS(32x32, avx2);
#define GET_PIXELS(width, depth, cf) \
void ff_hevc_get_pixels_ ## width ## _ ## depth ## _ ## cf(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer);
GET_PIXELS(4, 8, sse2)
GET_PIXELS(8, 8, sse2)
GET_PIXELS(12, 8, sse2)
GET_PIXELS(16, 8, sse2)
GET_PIXELS(24, 8, sse2)
GET_PIXELS(32, 8, sse2)
GET_PIXELS(48, 8, sse2)
GET_PIXELS(64, 8, sse2)
GET_PIXELS(4, 10, sse2)
GET_PIXELS(8, 10, sse2)
GET_PIXELS(12, 10, sse2)
GET_PIXELS(16, 10, sse2)
GET_PIXELS(24, 10, sse2)
GET_PIXELS(32, 10, sse2)
GET_PIXELS(48, 10, sse2)
GET_PIXELS(64, 10, sse2)
/* those are independent of the bit depth, so declared separately */
#define INTERP_HV_FUNC(width, cf) \
void ff_hevc_qpel_hv_ ## width ## _ ## cf(int16_t *dst, ptrdiff_t dststride, \
int16_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer); \
void ff_hevc_epel_hv_ ## width ## _ ## cf(int16_t *dst, ptrdiff_t dststride, \
int16_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer);
INTERP_HV_FUNC(4, avx)
INTERP_HV_FUNC(8, avx)
INTERP_HV_FUNC(12, avx)
INTERP_HV_FUNC(16, avx)
INTERP_HV_FUNC(24, avx)
INTERP_HV_FUNC(32, avx)
INTERP_HV_FUNC(48, avx)
INTERP_HV_FUNC(64, avx)
#if ARCH_X86_64 && HAVE_AVX_EXTERNAL
#define QPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv) \
static void hevc_qpel_hv_ ## width ## _ ## depth ## _ ## cf_hv(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer) \
{ \
const ptrdiff_t stride = FFALIGN(width + 7, 8); \
ff_hevc_qpel_h_ ## width ## _ ## depth ## _ ## cf_h(mcbuffer, 2 * stride, src - 3 * srcstride, srcstride, \
height + 7, mx, my, mcbuffer); \
ff_hevc_qpel_hv_ ## width ## _ ## cf_hv(dst, dststride, mcbuffer + 3 * stride, 2 * stride, \
height, mx, my, mcbuffer); \
}
#else
#define QPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv)
#endif /* ARCH_X86_64 && HAVE_AVX_EXTERNAL */
#define QPEL_FUNCS(width, depth, cf_h, cf_v, cf_hv) \
void ff_hevc_qpel_h_ ## width ## _ ## depth ## _ ## cf_h(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer); \
void ff_hevc_qpel_v_ ## width ## _ ## depth ## _ ## cf_v(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer); \
QPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv)
QPEL_FUNCS(4, 8, ssse3, ssse3, avx)
QPEL_FUNCS(8, 8, ssse3, ssse3, avx)
QPEL_FUNCS(12, 8, ssse3, ssse3, avx)
QPEL_FUNCS(16, 8, ssse3, ssse3, avx)
QPEL_FUNCS(24, 8, ssse3, ssse3, avx)
QPEL_FUNCS(32, 8, ssse3, ssse3, avx)
QPEL_FUNCS(48, 8, ssse3, ssse3, avx)
QPEL_FUNCS(64, 8, ssse3, ssse3, avx)
QPEL_FUNCS(4, 10, avx, avx, avx)
QPEL_FUNCS(8, 10, avx, avx, avx)
QPEL_FUNCS(12, 10, avx, avx, avx)
QPEL_FUNCS(16, 10, avx, avx, avx)
QPEL_FUNCS(24, 10, avx, avx, avx)
QPEL_FUNCS(32, 10, avx, avx, avx)
QPEL_FUNCS(48, 10, avx, avx, avx)
QPEL_FUNCS(64, 10, avx, avx, avx)
#if ARCH_X86_64 && HAVE_AVX_EXTERNAL
#define EPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv) \
static void hevc_epel_hv_ ## width ## _ ## depth ## _ ## cf_hv(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer) \
{ \
const ptrdiff_t stride = FFALIGN(width + 3, 8); \
ff_hevc_epel_h_ ## width ## _ ## depth ## _ ## cf_h(mcbuffer, 2 * stride, src - srcstride, srcstride, \
height + 3, mx, my, mcbuffer); \
ff_hevc_epel_hv_ ## width ## _ ## cf_hv(dst, dststride, mcbuffer + stride, 2 * stride, \
height, mx, my, mcbuffer); \
}
#else
#define EPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv)
#endif /* ARCH_X86_64 && HAVE_AVX_EXTERNAL */
#define EPEL_FUNCS(width, depth, cf_h, cf_v, cf_hv) \
void ff_hevc_epel_h_ ## width ## _ ## depth ## _ ## cf_h(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer); \
void ff_hevc_epel_v_ ## width ## _ ## depth ## _ ## cf_v(int16_t *dst, ptrdiff_t dststride, \
uint8_t *src, ptrdiff_t srcstride, \
int height, int mx, int my, int16_t *mcbuffer); \
EPEL_FUNC_HV(width, depth, cf_h, cf_v, cf_hv)
EPEL_FUNCS(4, 8, ssse3, ssse3, avx)
EPEL_FUNCS(8, 8, ssse3, ssse3, avx)
EPEL_FUNCS(12, 8, ssse3, ssse3, avx)
EPEL_FUNCS(16, 8, ssse3, ssse3, avx)
EPEL_FUNCS(24, 8, ssse3, ssse3, avx)
EPEL_FUNCS(32, 8, ssse3, ssse3, avx)
EPEL_FUNCS(4, 10, avx, avx, avx)
EPEL_FUNCS(8, 10, avx, avx, avx)
EPEL_FUNCS(12, 10, avx, avx, avx)
EPEL_FUNCS(16, 10, avx, avx, avx)
EPEL_FUNCS(24, 10, avx, avx, avx)
EPEL_FUNCS(32, 10, avx, avx, avx)
#define PUT_PRED(width, depth, cf_uw, cf_w) \
void ff_hevc_put_unweighted_pred_ ## width ## _ ## depth ## _ ## cf_uw(uint8_t *dst, ptrdiff_t dststride, \
int16_t *src, ptrdiff_t srcstride, \
int height); \
void ff_hevc_put_unweighted_pred_avg_ ## width ## _ ## depth ## _ ## cf_uw(uint8_t *dst, ptrdiff_t dststride, \
int16_t *src1, int16_t *src2, \
ptrdiff_t srcstride, int height); \
void ff_hevc_put_weighted_pred_ ## width ## _ ## depth ## _ ## cf_w(uint8_t denom, int16_t weight, int16_t offset, \
uint8_t *dst, ptrdiff_t dststride, \
int16_t *src, ptrdiff_t srcstride, \
int height); \
void ff_hevc_put_weighted_pred_avg_ ## width ## _ ## depth ## _ ## cf_w(uint8_t denom, int16_t weight0, int16_t weight1, \
int16_t offset0, int16_t offset1, \
uint8_t *dst, ptrdiff_t dststride, \
int16_t *src0, int16_t *src1, ptrdiff_t srcstride, \
int height);
PUT_PRED(4, 8, sse2, sse4)
PUT_PRED(8, 8, sse2, sse4)
PUT_PRED(12, 8, sse2, sse4)
PUT_PRED(16, 8, sse2, sse4)
PUT_PRED(24, 8, sse2, sse4)
PUT_PRED(32, 8, sse2, sse4)
PUT_PRED(48, 8, sse2, sse4)
PUT_PRED(64, 8, sse2, sse4)
PUT_PRED(4, 10, sse2, sse4)
PUT_PRED(8, 10, sse2, sse4)
PUT_PRED(12, 10, sse2, sse4)
PUT_PRED(16, 10, sse2, sse4)
PUT_PRED(24, 10, sse2, sse4)
PUT_PRED(32, 10, sse2, sse4)
PUT_PRED(48, 10, sse2, sse4)
PUT_PRED(64, 10, sse2, sse4)
void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth)
{
int cpu_flags = av_get_cpu_flags();
#define SET_LUMA_FUNCS(tabname, funcname, depth, cf) \
c->tabname[0] = funcname ## _4_ ## depth ## _ ## cf; \
c->tabname[1] = funcname ## _8_ ## depth ## _ ## cf; \
c->tabname[2] = funcname ## _12_ ## depth ## _ ## cf; \
c->tabname[3] = funcname ## _16_ ## depth ## _ ## cf; \
c->tabname[4] = funcname ## _24_ ## depth ## _ ## cf; \
c->tabname[5] = funcname ## _32_ ## depth ## _ ## cf; \
c->tabname[6] = funcname ## _48_ ## depth ## _ ## cf; \
c->tabname[7] = funcname ## _64_ ## depth ## _ ## cf;
#define SET_CHROMA_FUNCS(tabname, funcname, depth, cf) \
c->tabname[1] = funcname ## _4_ ## depth ## _ ## cf; \
c->tabname[3] = funcname ## _8_ ## depth ## _ ## cf; \
c->tabname[4] = funcname ## _12_ ## depth ## _ ## cf; \
c->tabname[5] = funcname ## _16_ ## depth ## _ ## cf; \
c->tabname[6] = funcname ## _24_ ## depth ## _ ## cf; \
c->tabname[7] = funcname ## _32_ ## depth ## _ ## cf;
#define SET_QPEL_FUNCS(v, h, depth, cf, name) SET_LUMA_FUNCS (put_hevc_qpel[v][h], name, depth, cf)
#define SET_EPEL_FUNCS(v, h, depth, cf, name) SET_CHROMA_FUNCS(put_hevc_epel[v][h], name, depth, cf)
if (bit_depth == 8) {
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->idct_dc[0] = ff_hevc_idct_4x4_dc_8_mmxext;
c->idct_dc[1] = ff_hevc_idct_8x8_dc_8_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->hevc_v_loop_filter_chroma = ff_hevc_v_loop_filter_chroma_8_sse2;
c->hevc_h_loop_filter_chroma = ff_hevc_h_loop_filter_chroma_8_sse2;
c->idct_dc[1] = ff_hevc_idct_8x8_dc_8_sse2;
c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_sse2;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_sse2;
SET_QPEL_FUNCS(0, 0, 8, sse2, ff_hevc_get_pixels);
SET_EPEL_FUNCS(0, 0, 8, sse2, ff_hevc_get_pixels);
SET_LUMA_FUNCS(put_unweighted_pred, ff_hevc_put_unweighted_pred, 8, sse2);
SET_LUMA_FUNCS(put_unweighted_pred_avg, ff_hevc_put_unweighted_pred_avg, 8, sse2);
SET_CHROMA_FUNCS(put_unweighted_pred_chroma, ff_hevc_put_unweighted_pred, 8, sse2);
SET_CHROMA_FUNCS(put_unweighted_pred_avg_chroma, ff_hevc_put_unweighted_pred_avg, 8, sse2);
}
if (EXTERNAL_SSSE3(cpu_flags)) {
SET_QPEL_FUNCS(0, 1, 8, ssse3, ff_hevc_qpel_h);
SET_QPEL_FUNCS(1, 0, 8, ssse3, ff_hevc_qpel_v);
SET_EPEL_FUNCS(0, 1, 8, ssse3, ff_hevc_epel_h);
SET_EPEL_FUNCS(1, 0, 8, ssse3, ff_hevc_epel_v);
}
} else if (bit_depth == 10) {
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->idct_dc[0] = ff_hevc_idct_4x4_dc_10_mmxext;
c->idct_dc[1] = ff_hevc_idct_8x8_dc_10_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->hevc_v_loop_filter_chroma = ff_hevc_v_loop_filter_chroma_10_sse2;
c->hevc_h_loop_filter_chroma = ff_hevc_h_loop_filter_chroma_10_sse2;
c->idct_dc[1] = ff_hevc_idct_8x8_dc_10_sse2;
c->idct_dc[2] = ff_hevc_idct_16x16_dc_10_sse2;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_10_sse2;
SET_QPEL_FUNCS(0, 0, 10, sse2, ff_hevc_get_pixels);
SET_EPEL_FUNCS(0, 0, 10, sse2, ff_hevc_get_pixels);
SET_LUMA_FUNCS(put_unweighted_pred, ff_hevc_put_unweighted_pred, 10, sse2);
SET_LUMA_FUNCS(put_unweighted_pred_avg, ff_hevc_put_unweighted_pred_avg, 10, sse2);
SET_CHROMA_FUNCS(put_unweighted_pred_chroma, ff_hevc_put_unweighted_pred, 10, sse2);
SET_CHROMA_FUNCS(put_unweighted_pred_avg_chroma, ff_hevc_put_unweighted_pred_avg, 10, sse2);
}
}
#if ARCH_X86_64
if (bit_depth == 8) {
if (EXTERNAL_SSSE3(cpu_flags)) {
c->hevc_v_loop_filter_luma = ff_hevc_v_loop_filter_luma_8_ssse3;
c->hevc_h_loop_filter_luma = ff_hevc_h_loop_filter_luma_8_ssse3;
}
if (EXTERNAL_SSE4(cpu_flags)) {
SET_LUMA_FUNCS(weighted_pred, ff_hevc_put_weighted_pred, 8, sse4);
SET_CHROMA_FUNCS(weighted_pred_chroma, ff_hevc_put_weighted_pred, 8, sse4);
SET_LUMA_FUNCS(weighted_pred_avg, ff_hevc_put_weighted_pred_avg, 8, sse4);
SET_CHROMA_FUNCS(weighted_pred_avg_chroma, ff_hevc_put_weighted_pred_avg, 8, sse4);
}
if (EXTERNAL_AVX(cpu_flags)) {
#if HAVE_AVX_EXTERNAL
SET_QPEL_FUNCS(1, 1, 8, avx, hevc_qpel_hv);
SET_EPEL_FUNCS(1, 1, 8, avx, hevc_epel_hv);
#endif /* HAVE_AVX_EXTERNAL */
}
if (EXTERNAL_AVX2(cpu_flags)) {
c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_avx2;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_avx2;
}
} else if (bit_depth == 10) {
if (EXTERNAL_SSSE3(cpu_flags)) {
c->hevc_v_loop_filter_luma = ff_hevc_v_loop_filter_luma_10_ssse3;
c->hevc_h_loop_filter_luma = ff_hevc_h_loop_filter_luma_10_ssse3;
}
if (EXTERNAL_SSE4(cpu_flags)) {
SET_LUMA_FUNCS(weighted_pred, ff_hevc_put_weighted_pred, 10, sse4);
SET_CHROMA_FUNCS(weighted_pred_chroma, ff_hevc_put_weighted_pred, 10, sse4);
SET_LUMA_FUNCS(weighted_pred_avg, ff_hevc_put_weighted_pred_avg, 10, sse4);
SET_CHROMA_FUNCS(weighted_pred_avg_chroma, ff_hevc_put_weighted_pred_avg, 10, sse4);
}
if (EXTERNAL_AVX(cpu_flags)) {
#if HAVE_AVX_EXTERNAL
SET_QPEL_FUNCS(0, 1, 10, avx, ff_hevc_qpel_h);
SET_QPEL_FUNCS(1, 0, 10, avx, ff_hevc_qpel_v);
SET_QPEL_FUNCS(1, 1, 10, avx, hevc_qpel_hv);
SET_EPEL_FUNCS(0, 1, 10, avx, ff_hevc_epel_h);
SET_EPEL_FUNCS(1, 0, 10, avx, ff_hevc_epel_v);
SET_EPEL_FUNCS(1, 1, 10, avx, hevc_epel_hv);
#endif /* HAVE_AVX_EXTERNAL */
}
if (EXTERNAL_AVX2(cpu_flags)) {
c->idct_dc[2] = ff_hevc_idct_16x16_dc_10_avx2;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_10_avx2;
}
}
#endif /* ARCH_X86_64 */
}
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