FFmpeg: libavcodec/x86/proresdsp_init.c Source File

FFmpeg
proresdsp_init.c
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1 /*
2  * Apple ProRes compatible decoder
3  *
4  * Copyright (c) 2010-2011 Maxim Poliakovski
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/idctdsp.h"
26 #include "libavcodec/proresdsp.h"
27 
28 void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
29  int16_t *block, const int16_t *qmat);
30 void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize,
31  int16_t *block, const int16_t *qmat);
32 void ff_prores_idct_put_10_avx (uint16_t *dst, int linesize,
33  int16_t *block, const int16_t *qmat);
34 
35  av_cold void ff_proresdsp_init_x86(ProresDSPContext *dsp, AVCodecContext *avctx)
36 {
37 #if ARCH_X86_64
38  int cpu_flags = av_get_cpu_flags();
39 
40  if (EXTERNAL_SSE2(cpu_flags)) {
41  dsp->idct_permutation_type = FF_IDCT_PERM_TRANSPOSE;
42  dsp->idct_put = ff_prores_idct_put_10_sse2;
43  }
44 
45  if (EXTERNAL_SSE4(cpu_flags)) {
46  dsp->idct_permutation_type = FF_IDCT_PERM_TRANSPOSE;
47  dsp->idct_put = ff_prores_idct_put_10_sse4;
48  }
49 
50  if (EXTERNAL_AVX(cpu_flags)) {
51  dsp->idct_permutation_type = FF_IDCT_PERM_TRANSPOSE;
52  dsp->idct_put = ff_prores_idct_put_10_avx;
53  }
54 #endif /* ARCH_X86_64 */
55 }

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