mirror of
https://github.com/FFmpeg/FFmpeg.git
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118 lines
5.2 KiB
C
118 lines
5.2 KiB
C
/*
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* Copyright (c) 2014 James Almer
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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 "libavcodec/flacdsp.h"
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#include "libavutil/x86/cpu.h"
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#include "config.h"
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void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
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int qlevel, int len);
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void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
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int qlevel, int len);
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void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
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#define DECORRELATE_FUNCS(fmt, opt) \
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void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift); \
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void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
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int len, int shift)
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DECORRELATE_FUNCS(16, sse2);
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DECORRELATE_FUNCS(16, avx);
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DECORRELATE_FUNCS(32, sse2);
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DECORRELATE_FUNCS(32, avx);
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av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
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int bps)
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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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#if CONFIG_FLAC_DECODER
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if (EXTERNAL_SSE2(cpu_flags)) {
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if (fmt == AV_SAMPLE_FMT_S16) {
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if (channels == 2)
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c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
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else if (channels == 4)
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c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
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else if (channels == 6)
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c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
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else if (ARCH_X86_64 && channels == 8)
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c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
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c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
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c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
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c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
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} else if (fmt == AV_SAMPLE_FMT_S32) {
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if (channels == 2)
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c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
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else if (channels == 4)
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c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
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else if (channels == 6)
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c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
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else if (ARCH_X86_64 && channels == 8)
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c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
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c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
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c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
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c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
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}
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}
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if (EXTERNAL_SSE4(cpu_flags)) {
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if (bps > 16)
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c->lpc = ff_flac_lpc_32_sse4;
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}
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if (EXTERNAL_AVX(cpu_flags)) {
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if (fmt == AV_SAMPLE_FMT_S16) {
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if (ARCH_X86_64 && channels == 8)
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c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
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} else if (fmt == AV_SAMPLE_FMT_S32) {
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if (channels == 4)
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c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
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else if (channels == 6)
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c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
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else if (ARCH_X86_64 && channels == 8)
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c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
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}
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}
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if (EXTERNAL_XOP(cpu_flags)) {
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if (bps > 16)
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c->lpc = ff_flac_lpc_32_xop;
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}
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#endif
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#if CONFIG_FLAC_ENCODER
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if (EXTERNAL_SSE4(cpu_flags)) {
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if (CONFIG_GPL && bps == 16)
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c->lpc_encode = ff_flac_enc_lpc_16_sse4;
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}
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#endif
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#endif /* HAVE_YASM */
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}
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