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x86: dsputil: Drop some unused function #defines
[ffmpeg] / libavcodec / x86 / fft_init.c
1 /*
2  * This file is part of Libav.
3  *
4  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18
19 #include "libavutil/cpu.h"
20 #include "libavutil/x86/cpu.h"
21 #include "libavcodec/dct.h"
22 #include "fft.h"
23
24 av_cold void ff_fft_init_x86(FFTContext *s)
25 {
26     int has_vectors = av_get_cpu_flags();
27 #if ARCH_X86_32
28     if (EXTERNAL_AMD3DNOW(has_vectors)) {
29         /* 3DNow! for K6-2/3 */
30         s->imdct_calc = ff_imdct_calc_3dnow;
31         s->imdct_half = ff_imdct_half_3dnow;
32         s->fft_calc   = ff_fft_calc_3dnow;
33     }
34     if (EXTERNAL_AMD3DNOWEXT(has_vectors)) {
35         /* 3DNowEx for K7 */
36         s->imdct_calc = ff_imdct_calc_3dnowext;
37         s->imdct_half = ff_imdct_half_3dnowext;
38         s->fft_calc   = ff_fft_calc_3dnowext;
39     }
40 #endif
41     if (EXTERNAL_SSE(has_vectors)) {
42         /* SSE for P3/P4/K8 */
43         s->imdct_calc  = ff_imdct_calc_sse;
44         s->imdct_half  = ff_imdct_half_sse;
45         s->fft_permute = ff_fft_permute_sse;
46         s->fft_calc    = ff_fft_calc_sse;
47         s->fft_permutation = FF_FFT_PERM_SWAP_LSBS;
48     }
49     if (EXTERNAL_AVX(has_vectors) && s->nbits >= 5) {
50         /* AVX for SB */
51         s->imdct_half      = ff_imdct_half_avx;
52         s->fft_calc        = ff_fft_calc_avx;
53         s->fft_permutation = FF_FFT_PERM_AVX;
54     }
55 }
56
57 #if CONFIG_DCT
58 av_cold void ff_dct_init_x86(DCTContext *s)
59 {
60     int has_vectors = av_get_cpu_flags();
61     if (EXTERNAL_SSE(has_vectors))
62         s->dct32 = ff_dct32_float_sse;
63     if (EXTERNAL_SSE2(has_vectors))
64         s->dct32 = ff_dct32_float_sse2;
65     if (EXTERNAL_AVX(has_vectors))
66         s->dct32 = ff_dct32_float_avx;
67 }
68 #endif