1 /*
2 * SIMD optimized MPEG-4 Parametric Stereo decoding functions
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <stddef.h>
22
23 #include "config.h"
24
25 #include "libavutil/x86/cpu.h"
26 #include "libavutil/attributes.h"
27 #include "libavcodec/aacpsdsp.h"
28
29 void ff_ps_add_squares_sse (float *dst, const float (*src)[2], int n);
30 void ff_ps_add_squares_sse3 (float *dst, const float (*src)[2], int n);
31 void ff_ps_mul_pair_single_sse (float (*dst)[2], float (*src0)[2],
32 float *src1, int n);
33 void ff_ps_hybrid_analysis_sse (float (*out)[2], float (*in)[2],
34 const float (*filter)[8][2],
35 ptrdiff_t stride, int n);
36 void ff_ps_hybrid_analysis_sse3(float (*out)[2], float (*in)[2],
37 const float (*filter)[8][2],
38 ptrdiff_t stride, int n);
39 void ff_ps_stereo_interpolate_sse3(float (*l)[2], float (*r)[2],
40 float h[2][4], float h_step[2][4],
41 int len);
42 void ff_ps_stereo_interpolate_ipdopd_sse3(float (*l)[2], float (*r)[2],
43 float h[2][4], float h_step[2][4],
44 int len);
45 void ff_ps_hybrid_synthesis_deint_sse(float out[2][38][64], float (*in)[32][2],
46 int i, int len);
47 void ff_ps_hybrid_synthesis_deint_sse4(float out[2][38][64], float (*in)[32][2],
48 int i, int len);
49 void ff_ps_hybrid_analysis_ileave_sse(float (*out)[32][2], float L[2][38][64],
50 int i, int len);
51
ff_psdsp_init_x86(PSDSPContext * s)52 av_cold void ff_psdsp_init_x86(PSDSPContext *s)
53 {
54 int cpu_flags = av_get_cpu_flags();
55
56 if (EXTERNAL_SSE(cpu_flags)) {
57 s->add_squares = ff_ps_add_squares_sse;
58 s->mul_pair_single = ff_ps_mul_pair_single_sse;
59 s->hybrid_analysis_ileave = ff_ps_hybrid_analysis_ileave_sse;
60 s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_sse;
61 s->hybrid_analysis = ff_ps_hybrid_analysis_sse;
62 }
63 if (EXTERNAL_SSE3(cpu_flags)) {
64 s->add_squares = ff_ps_add_squares_sse3;
65 s->stereo_interpolate[0] = ff_ps_stereo_interpolate_sse3;
66 s->stereo_interpolate[1] = ff_ps_stereo_interpolate_ipdopd_sse3;
67 s->hybrid_analysis = ff_ps_hybrid_analysis_sse3;
68 }
69 if (EXTERNAL_SSE4(cpu_flags)) {
70 s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_sse4;
71 }
72 }
73