mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
fd502f4f5f
None of them are specific to the YASM assembler.
(Cherry-picked from libav commit 39e208f4d4)
Signed-off-by: James Almer <jamrial@gmail.com>
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/*
|
|
* 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 "libavutil/attributes.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/alacdsp.h"
|
|
#include "config.h"
|
|
|
|
void ff_alac_decorrelate_stereo_sse4(int32_t *buffer[2], int nb_samples,
|
|
int decorr_shift, int decorr_left_weight);
|
|
void ff_alac_append_extra_bits_stereo_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
|
|
int extra_bits, int channels, int nb_samples);
|
|
void ff_alac_append_extra_bits_mono_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
|
|
int extra_bits, int channels, int nb_samples);
|
|
|
|
av_cold void ff_alacdsp_init_x86(ALACDSPContext *c)
|
|
{
|
|
#if HAVE_X86ASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
c->append_extra_bits[0] = ff_alac_append_extra_bits_mono_sse2;
|
|
c->append_extra_bits[1] = ff_alac_append_extra_bits_stereo_sse2;
|
|
}
|
|
if (EXTERNAL_SSE4(cpu_flags)) {
|
|
c->decorrelate_stereo = ff_alac_decorrelate_stereo_sse4;
|
|
}
|
|
#endif /* HAVE_X86ASM */
|
|
}
|