mirror of
https://github.com/FFmpeg/FFmpeg.git
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8d4c616fc0
Currently only dc-only and full 16x16. Other subforms will follow in the near future. Total decoding time of ped1080p.webm goes from 9.7 to 9.3 seconds. DC-only goes from 957 -> 131 cycles, and the full IDCT goes from ~4050 to ~745 cycles.
225 lines
7.7 KiB
C
225 lines
7.7 KiB
C
/*
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* VP9 SIMD optimizations
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*
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* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/cpu.h"
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#include "libavutil/mem.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/vp9dsp.h"
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#if HAVE_YASM
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#define fpel_func(avg, sz, opt) \
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void ff_##avg##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my)
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fpel_func(put, 4, mmx);
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fpel_func(put, 8, mmx);
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fpel_func(put, 16, sse);
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fpel_func(put, 32, sse);
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fpel_func(put, 64, sse);
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fpel_func(avg, 4, sse);
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fpel_func(avg, 8, sse);
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fpel_func(avg, 16, sse2);
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fpel_func(avg, 32, sse2);
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fpel_func(avg, 64, sse2);
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#undef fpel_func
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#define mc_func(avg, sz, dir, opt) \
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void ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, const int8_t (*filter)[16])
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#define mc_funcs(sz) \
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mc_func(put, sz, h, ssse3); \
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mc_func(avg, sz, h, ssse3); \
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mc_func(put, sz, v, ssse3); \
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mc_func(avg, sz, v, ssse3)
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mc_funcs(4);
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mc_funcs(8);
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#undef mc_funcs
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#undef mc_func
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#define mc_rep_func(avg, sz, hsz, dir, opt) \
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static av_always_inline void \
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ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, const int8_t (*filter)[16]) \
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{ \
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ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst, dst_stride, src, \
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src_stride, h, filter); \
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ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst + hsz, dst_stride, src + hsz, \
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src_stride, h, filter); \
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}
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#define mc_rep_funcs(sz, hsz) \
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mc_rep_func(put, sz, hsz, h, ssse3); \
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mc_rep_func(avg, sz, hsz, h, ssse3); \
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mc_rep_func(put, sz, hsz, v, ssse3); \
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mc_rep_func(avg, sz, hsz, v, ssse3)
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mc_rep_funcs(16, 8);
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mc_rep_funcs(32, 16);
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mc_rep_funcs(64, 32);
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#undef mc_rep_funcs
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#undef mc_rep_func
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extern const int8_t ff_filters_ssse3[3][15][4][16];
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#define filter_8tap_2d_fn(op, sz, f, fname) \
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static void op##_8tap_##fname##_##sz##hv_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my) \
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{ \
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LOCAL_ALIGNED_16(uint8_t, temp, [71 * 64]); \
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ff_put_8tap_1d_h_##sz##_ssse3(temp, 64, src - 3 * src_stride, src_stride, \
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h + 7, ff_filters_ssse3[f][mx - 1]); \
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ff_##op##_8tap_1d_v_##sz##_ssse3(dst, dst_stride, temp + 3 * 64, 64, \
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h, ff_filters_ssse3[f][my - 1]); \
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}
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#define filters_8tap_2d_fn(op, sz) \
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filter_8tap_2d_fn(op, sz, FILTER_8TAP_REGULAR, regular) \
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filter_8tap_2d_fn(op, sz, FILTER_8TAP_SHARP, sharp) \
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filter_8tap_2d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth)
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#define filters_8tap_2d_fn2(op) \
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filters_8tap_2d_fn(op, 64) \
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filters_8tap_2d_fn(op, 32) \
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filters_8tap_2d_fn(op, 16) \
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filters_8tap_2d_fn(op, 8) \
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filters_8tap_2d_fn(op, 4)
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filters_8tap_2d_fn2(put)
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filters_8tap_2d_fn2(avg)
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#undef filters_8tap_2d_fn2
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#undef filters_8tap_2d_fn
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#undef filter_8tap_2d_fn
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#define filter_8tap_1d_fn(op, sz, f, fname, dir, dvar) \
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static void op##_8tap_##fname##_##sz##dir##_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my) \
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{ \
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ff_##op##_8tap_1d_##dir##_##sz##_ssse3(dst, dst_stride, src, src_stride, \
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h, ff_filters_ssse3[f][dvar - 1]); \
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}
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#define filters_8tap_1d_fn(op, sz, dir, dvar) \
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filter_8tap_1d_fn(op, sz, FILTER_8TAP_REGULAR, regular, dir, dvar) \
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filter_8tap_1d_fn(op, sz, FILTER_8TAP_SHARP, sharp, dir, dvar) \
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filter_8tap_1d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth, dir, dvar)
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#define filters_8tap_1d_fn2(op, sz) \
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filters_8tap_1d_fn(op, sz, h, mx) \
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filters_8tap_1d_fn(op, sz, v, my)
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#define filters_8tap_1d_fn3(op) \
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filters_8tap_1d_fn2(op, 64) \
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filters_8tap_1d_fn2(op, 32) \
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filters_8tap_1d_fn2(op, 16) \
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filters_8tap_1d_fn2(op, 8) \
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filters_8tap_1d_fn2(op, 4)
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filters_8tap_1d_fn3(put)
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filters_8tap_1d_fn3(avg)
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#undef filters_8tap_1d_fn
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#undef filters_8tap_1d_fn2
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#undef filters_8tap_1d_fn3
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#undef filter_8tap_1d_fn
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void ff_vp9_idct_idct_4x4_add_ssse3(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob);
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void ff_vp9_idct_idct_8x8_add_ssse3(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob);
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void ff_vp9_idct_idct_16x16_add_ssse3(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob);
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#endif /* HAVE_YASM */
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av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp)
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{
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#if HAVE_YASM
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int cpu_flags = av_get_cpu_flags();
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#define init_fpel(idx1, idx2, sz, type, opt) \
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dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_##type##sz##_##opt
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#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type, opt) \
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dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = type##_8tap_smooth_##sz##dir##_##opt; \
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dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = type##_8tap_regular_##sz##dir##_##opt; \
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dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = type##_8tap_sharp_##sz##dir##_##opt
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#define init_subpel2(idx, idxh, idxv, dir, type, opt) \
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init_subpel1(0, idx, idxh, idxv, 64, dir, type, opt); \
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init_subpel1(1, idx, idxh, idxv, 32, dir, type, opt); \
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init_subpel1(2, idx, idxh, idxv, 16, dir, type, opt); \
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init_subpel1(3, idx, idxh, idxv, 8, dir, type, opt); \
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init_subpel1(4, idx, idxh, idxv, 4, dir, type, opt)
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#define init_subpel3(idx, type, opt) \
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init_subpel2(idx, 1, 1, hv, type, opt); \
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init_subpel2(idx, 0, 1, v, type, opt); \
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init_subpel2(idx, 1, 0, h, type, opt)
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if (EXTERNAL_MMX(cpu_flags)) {
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init_fpel(4, 0, 4, put, mmx);
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init_fpel(3, 0, 8, put, mmx);
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}
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if (EXTERNAL_SSE(cpu_flags)) {
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init_fpel(2, 0, 16, put, sse);
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init_fpel(1, 0, 32, put, sse);
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init_fpel(0, 0, 64, put, sse);
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init_fpel(4, 1, 4, avg, sse);
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init_fpel(3, 1, 8, avg, sse);
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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init_fpel(2, 1, 16, avg, sse2);
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init_fpel(1, 1, 32, avg, sse2);
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init_fpel(0, 1, 64, avg, sse2);
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}
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if (EXTERNAL_SSSE3(cpu_flags)) {
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init_subpel3(0, put, ssse3);
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init_subpel3(1, avg, ssse3);
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dsp->itxfm_add[TX_4X4][DCT_DCT] = ff_vp9_idct_idct_4x4_add_ssse3;
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if (ARCH_X86_64) {
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dsp->itxfm_add[TX_8X8][DCT_DCT] = ff_vp9_idct_idct_8x8_add_ssse3;
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dsp->itxfm_add[TX_16X16][DCT_DCT] = ff_vp9_idct_idct_16x16_add_ssse3;
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}
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}
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#undef init_fpel
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#undef init_subpel1
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#undef init_subpel2
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#undef init_subpel3
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#endif /* HAVE_YASM */
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}
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