mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
|
/*
|
||
|
|
* SIMD optimized MPEG-4 Parametric Stereo decoding functions
|
||
|
|
*
|
||
|
|
* 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 "config.h"
|
||
|
|
|
||
|
|
#include "libavutil/x86/cpu.h"
|
||
|
|
#include "libavutil/attributes.h"
|
||
|
|
#include "libavcodec/aacpsdsp.h"
|
||
|
|
|
||
|
|
void ff_ps_add_squares_sse (float *dst, const float (*src)[2], int n);
|
||
|
|
void ff_ps_add_squares_sse3 (float *dst, const float (*src)[2], int n);
|
||
|
|
void ff_ps_mul_pair_single_sse (float (*dst)[2], float (*src0)[2],
|
||
|
|
float *src1, int n);
|
||
|
|
void ff_ps_hybrid_analysis_sse (float (*out)[2], float (*in)[2],
|
||
|
|
const float (*filter)[8][2],
|
||
|
|
int stride, int n);
|
||
|
|
void ff_ps_hybrid_analysis_sse3(float (*out)[2], float (*in)[2],
|
||
|
|
const float (*filter)[8][2],
|
||
|
|
int stride, int n);
|
||
|
|
void ff_ps_stereo_interpolate_sse3(float (*l)[2], float (*r)[2],
|
||
|
|
float h[2][4], float h_step[2][4],
|
||
|
|
int len);
|
||
|
|
|
||
|
|
av_cold void ff_psdsp_init_x86(PSDSPContext *s)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (EXTERNAL_SSE(cpu_flags)) {
|
||
|
|
s->add_squares = ff_ps_add_squares_sse;
|
||
|
|
s->mul_pair_single = ff_ps_mul_pair_single_sse;
|
||
|
|
s->hybrid_analysis = ff_ps_hybrid_analysis_sse;
|
||
|
|
}
|
||
|
|
if (EXTERNAL_SSE3(cpu_flags)) {
|
||
|
|
s->add_squares = ff_ps_add_squares_sse3;
|
||
|
|
s->stereo_interpolate[0] = ff_ps_stereo_interpolate_sse3;
|
||
|
|
s->hybrid_analysis = ff_ps_hybrid_analysis_sse3;
|
||
|
|
}
|
||
|
|
}
|