2 * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/x86/dsputil_mmx.h"
27 #include "libavfilter/yadif.h"
29 void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
30 void *next, int w, int prefs,
31 int mrefs, int parity, int mode);
32 void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
33 void *next, int w, int prefs,
34 int mrefs, int parity, int mode);
35 void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
36 void *next, int w, int prefs,
37 int mrefs, int parity, int mode);
39 av_cold void ff_yadif_init_x86(YADIFContext *yadif)
41 int cpu_flags = av_get_cpu_flags();
45 if (EXTERNAL_MMXEXT(cpu_flags)) {
46 yadif->filter_line = ff_yadif_filter_line_mmxext;
49 #endif /* ARCH_X86_32 */
50 if (EXTERNAL_SSE2(cpu_flags)) {
51 yadif->filter_line = ff_yadif_filter_line_sse2;
52 yadif->req_align = 16;
54 if (EXTERNAL_SSSE3(cpu_flags)) {
55 yadif->filter_line = ff_yadif_filter_line_ssse3;
56 yadif->req_align = 16;
58 #endif /* HAVE_YASM */