mirror of https://git.ffmpeg.org/ffmpeg.git
64 lines
2.8 KiB
C
64 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2012 Michael Niedermayer (michaelni@gmx.at)
|
|
*
|
|
* This file is part of libswresample
|
|
*
|
|
* libswresample 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.
|
|
*
|
|
* libswresample 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 libswresample; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libswresample/swresample_internal.h"
|
|
#include "libswresample/audioconvert.h"
|
|
|
|
#define MULTI_CAPS_FUNC_DECL(cap) \
|
|
void ff_int16_to_int32_a_ ## cap(uint8_t **dst, const uint8_t **src, int len);
|
|
MULTI_CAPS_FUNC_DECL(mmx)
|
|
MULTI_CAPS_FUNC_DECL(sse)
|
|
|
|
void ff_int32_to_float_a_sse2(uint8_t **dst, const uint8_t **src, int len);
|
|
void ff_int16_to_float_a_sse2(uint8_t **dst, const uint8_t **src, int len);
|
|
void ff_float_to_int32_a_sse2(uint8_t **dst, const uint8_t **src, int len);
|
|
void ff_float_to_int16_a_sse2(uint8_t **dst, const uint8_t **src, int len);
|
|
|
|
void swri_audio_convert_init_x86(struct AudioConvert *ac,
|
|
enum AVSampleFormat out_fmt,
|
|
enum AVSampleFormat in_fmt,
|
|
int channels){
|
|
int mm_flags = av_get_cpu_flags();
|
|
|
|
ac->simd_f= NULL;
|
|
|
|
//FIXME add memcpy case
|
|
|
|
#define MULTI_CAPS_FUNC(flag, cap) \
|
|
if (mm_flags & flag) {\
|
|
if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\
|
|
ac->simd_f = ff_int16_to_int32_a_ ## cap;\
|
|
}
|
|
|
|
MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx)
|
|
MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE, sse)
|
|
|
|
if(mm_flags & AV_CPU_FLAG_SSE2) {
|
|
if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P)
|
|
ac->simd_f = ff_int32_to_float_a_sse2;
|
|
if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16P)
|
|
ac->simd_f = ff_int16_to_float_a_sse2;
|
|
if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLTP)
|
|
ac->simd_f = ff_float_to_int32_a_sse2;
|
|
if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP)
|
|
ac->simd_f = ff_float_to_int16_a_sse2;
|
|
}
|
|
}
|