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 "libavutil/cpu.h"
20 #include "libavutil/x86/cpu.h"
21 #include "libavfilter/framerate.h"
22 
23 void ff_blend_frames_ssse3(BLEND_FUNC_PARAMS);
24 void ff_blend_frames_avx2(BLEND_FUNC_PARAMS);
25 void ff_blend_frames16_sse4(BLEND_FUNC_PARAMS);
26 void ff_blend_frames16_avx2(BLEND_FUNC_PARAMS);
27 
ff_framerate_init_x86(FrameRateContext * s)28 void ff_framerate_init_x86(FrameRateContext *s)
29 {
30     int cpu_flags = av_get_cpu_flags();
31     if (s->bitdepth == 8) {
32         if (EXTERNAL_AVX2_FAST(cpu_flags))
33             s->blend = ff_blend_frames_avx2;
34         else if (EXTERNAL_SSSE3(cpu_flags))
35             s->blend = ff_blend_frames_ssse3;
36     } else {
37         if (EXTERNAL_AVX2_FAST(cpu_flags))
38             s->blend = ff_blend_frames16_avx2;
39         else if (EXTERNAL_SSE4(cpu_flags))
40             s->blend = ff_blend_frames16_sse4;
41     }
42 }
43