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avcodec/x86: allow future 8-bit simple idct to use slightly different coefficients
[ffmpeg] / libavcodec / x86 / aacpsdsp_init.c
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 "config.h"
22
23 #include "libavutil/x86/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/aacpsdsp.h"
26
27 void ff_ps_add_squares_sse  (float *dst, const float (*src)[2], int n);
28 void ff_ps_add_squares_sse3 (float *dst, const float (*src)[2], int n);
29 void ff_ps_mul_pair_single_sse (float (*dst)[2], float (*src0)[2],
30                                 float *src1, int n);
31 void ff_ps_hybrid_analysis_sse (float (*out)[2], float (*in)[2],
32                                 const float (*filter)[8][2],
33                                 int stride, int n);
34 void ff_ps_hybrid_analysis_sse3(float (*out)[2], float (*in)[2],
35                                 const float (*filter)[8][2],
36                                 int stride, int n);
37 void ff_ps_stereo_interpolate_sse3(float (*l)[2], float (*r)[2],
38                                    float h[2][4], float h_step[2][4],
39                                    int len);
40 void ff_ps_stereo_interpolate_ipdopd_sse3(float (*l)[2], float (*r)[2],
41                                           float h[2][4], float h_step[2][4],
42                                           int len);
43 void ff_ps_hybrid_synthesis_deint_sse(float out[2][38][64], float (*in)[32][2],
44                                       int i, int len);
45 void ff_ps_hybrid_synthesis_deint_sse4(float out[2][38][64], float (*in)[32][2],
46                                        int i, int len);
47 void ff_ps_hybrid_analysis_ileave_sse(float (*out)[32][2], float L[2][38][64],
48                                       int i, int len);
49
50 av_cold void ff_psdsp_init_x86(PSDSPContext *s)
51 {
52     int cpu_flags = av_get_cpu_flags();
53
54     if (EXTERNAL_SSE(cpu_flags)) {
55         s->add_squares            = ff_ps_add_squares_sse;
56         s->mul_pair_single        = ff_ps_mul_pair_single_sse;
57         s->hybrid_analysis_ileave = ff_ps_hybrid_analysis_ileave_sse;
58         s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_sse;
59         s->hybrid_analysis        = ff_ps_hybrid_analysis_sse;
60     }
61     if (EXTERNAL_SSE3(cpu_flags)) {
62         s->add_squares            = ff_ps_add_squares_sse3;
63         s->stereo_interpolate[0]  = ff_ps_stereo_interpolate_sse3;
64         s->stereo_interpolate[1]  = ff_ps_stereo_interpolate_ipdopd_sse3;
65         s->hybrid_analysis        = ff_ps_hybrid_analysis_sse3;
66     }
67     if (EXTERNAL_SSE4(cpu_flags)) {
68         s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_sse4;
69     }
70 }