Move SSE optimized 32-point DCT to its own file. Should fix breakage with YASM
[libav.git] / libavcodec / x86 / fft.c
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f4863213
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "libavcodec/dsputil.h"
20#include "fft.h"
21
22av_cold void ff_fft_init_mmx(FFTContext *s)
23{
24#if HAVE_YASM
25 int has_vectors = mm_support();
26 if (has_vectors & FF_MM_SSE && HAVE_SSE) {
27 /* SSE for P3/P4/K8 */
28 s->imdct_calc = ff_imdct_calc_sse;
29 s->imdct_half = ff_imdct_half_sse;
30 s->fft_permute = ff_fft_permute_sse;
31 s->fft_calc = ff_fft_calc_sse;
32 } else if (has_vectors & FF_MM_3DNOWEXT && HAVE_AMD3DNOWEXT) {
33 /* 3DNowEx for K7 */
34 s->imdct_calc = ff_imdct_calc_3dn2;
35 s->imdct_half = ff_imdct_half_3dn2;
36 s->fft_calc = ff_fft_calc_3dn2;
37 } else if (has_vectors & FF_MM_3DNOW && HAVE_AMD3DNOW) {
38 /* 3DNow! for K6-2/3 */
39 s->imdct_calc = ff_imdct_calc_3dn;
40 s->imdct_half = ff_imdct_half_3dn;
41 s->fft_calc = ff_fft_calc_3dn;
42 }
43#endif
44}
4dcc4f8e 45
881fd7a6 46#if CONFIG_DCT
4dcc4f8e
VS
47av_cold void ff_dct_init_mmx(DCTContext *s)
48{
49 int has_vectors = mm_support();
50 if (has_vectors & FF_MM_SSE && HAVE_SSE)
51 s->dct32 = ff_dct32_float_sse;
52}
881fd7a6 53#endif
4dcc4f8e 54