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 "libavcodec/v210dec.h"
21 
22 extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
23 extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
24 extern void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
25 
26 extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
27 extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
28 extern void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
29 
ff_v210_x86_init(V210DecContext * s)30 av_cold void ff_v210_x86_init(V210DecContext *s)
31 {
32 #if HAVE_X86ASM
33     int cpu_flags = av_get_cpu_flags();
34 
35     if (s->aligned_input) {
36         if (cpu_flags & AV_CPU_FLAG_SSSE3)
37             s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
38 
39         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
40             s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
41 
42         if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
43             s->unpack_frame = ff_v210_planar_unpack_aligned_avx2;
44     }
45     else {
46         if (cpu_flags & AV_CPU_FLAG_SSSE3)
47             s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3;
48 
49         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
50             s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
51 
52         if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
53             s->unpack_frame = ff_v210_planar_unpack_unaligned_avx2;
54     }
55 #endif
56 }
57