aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Copyright (c) 2014 James Almer
*
* 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 "libavcodec/flacdsp.h"
#include "libavutil/x86/cpu.h"
#include "config.h"
void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
int qlevel, int len);
void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
int qlevel, int len);
void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
#define DECORRELATE_FUNCS(fmt, opt) \
void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift)
DECORRELATE_FUNCS(16, sse2);
DECORRELATE_FUNCS(16, avx);
DECORRELATE_FUNCS(32, sse2);
DECORRELATE_FUNCS(32, avx);
av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
int bps)
{
#if HAVE_X86ASM
int cpu_flags = av_get_cpu_flags();
#if CONFIG_FLAC_DECODER
if (EXTERNAL_SSE2(cpu_flags)) {
if (fmt == AV_SAMPLE_FMT_S16) {
if (channels == 2)
c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
else if (channels == 4)
c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
else if (channels == 6)
c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
else if (ARCH_X86_64 && channels == 8)
c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
} else if (fmt == AV_SAMPLE_FMT_S32) {
if (channels == 2)
c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
else if (channels == 4)
c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
else if (channels == 6)
c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
else if (ARCH_X86_64 && channels == 8)
c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
}
}
if (EXTERNAL_SSE4(cpu_flags)) {
c->lpc32 = ff_flac_lpc_32_sse4;
}
if (EXTERNAL_AVX(cpu_flags)) {
if (fmt == AV_SAMPLE_FMT_S16) {
if (ARCH_X86_64 && channels == 8)
c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
} else if (fmt == AV_SAMPLE_FMT_S32) {
if (channels == 4)
c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
else if (channels == 6)
c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
else if (ARCH_X86_64 && channels == 8)
c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
}
}
if (EXTERNAL_XOP(cpu_flags)) {
c->lpc32 = ff_flac_lpc_32_xop;
}
#endif
#if CONFIG_FLAC_ENCODER
if (EXTERNAL_SSE4(cpu_flags)) {
if (CONFIG_GPL)
c->lpc16_encode = ff_flac_enc_lpc_16_sse4;
}
#endif
#endif /* HAVE_X86ASM */
}
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