1 /*
2 * Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
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/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/vorbisdsp.h"
27
28 void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
29 intptr_t blocksize);
30 void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
31 intptr_t blocksize);
32
ff_vorbisdsp_init_x86(VorbisDSPContext * dsp)33 av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
34 {
35 int cpu_flags = av_get_cpu_flags();
36
37 #if ARCH_X86_32
38 #if (HAVE_AMD3DNOW_EXTERNAL == 1)
39 if (EXTERNAL_AMD3DNOW(cpu_flags))
40 dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow;
41 #endif
42 #endif /* ARCH_X86_32 */
43 #if (HAVE_SSE_EXTERNAL == 1)
44 if (EXTERNAL_SSE(cpu_flags))
45 dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
46 #endif
47 }
48