aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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 <stddef.h>
#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],
ptrdiff_t stride, int n);
void ff_ps_hybrid_analysis_sse3(float (*out)[2], float (*in)[2],
const float (*filter)[8][2],
ptrdiff_t 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);
void ff_ps_stereo_interpolate_ipdopd_sse3(float (*l)[2], float (*r)[2],
float h[2][4], float h_step[2][4],
int len);
void ff_ps_hybrid_synthesis_deint_sse(float out[2][38][64], float (*in)[32][2],
int i, int len);
void ff_ps_hybrid_synthesis_deint_sse4(float out[2][38][64], float (*in)[32][2],
int i, int len);
void ff_ps_hybrid_analysis_ileave_sse(float (*out)[32][2], float L[2][38][64],
int i, 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_ileave = ff_ps_hybrid_analysis_ileave_sse;
s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_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->stereo_interpolate[1] = ff_ps_stereo_interpolate_ipdopd_sse3;
s->hybrid_analysis = ff_ps_hybrid_analysis_sse3;
}
if (EXTERNAL_SSE4(cpu_flags)) {
s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_sse4;
}
}
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