2 * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of Libav.
6 * Libav 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 * Libav 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 Libav; 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/internal.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/asm.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavcodec/x86/dsputil_mmx.h"
28 #include "libavfilter/yadif.h"
30 void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
31 void *next, int w, int prefs,
32 int mrefs, int parity, int mode);
33 void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
34 void *next, int w, int prefs,
35 int mrefs, int parity, int mode);
36 void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
37 void *next, int w, int prefs,
38 int mrefs, int parity, int mode);
40 av_cold void ff_yadif_init_x86(YADIFContext *yadif)
42 int cpu_flags = av_get_cpu_flags();
46 if (EXTERNAL_MMXEXT(cpu_flags)) {
47 yadif->filter_line = ff_yadif_filter_line_mmxext;
50 #endif /* ARCH_X86_32 */
51 if (EXTERNAL_SSE2(cpu_flags)) {
52 yadif->filter_line = ff_yadif_filter_line_sse2;
53 yadif->req_align = 16;
55 if (EXTERNAL_SSSE3(cpu_flags)) {
56 yadif->filter_line = ff_yadif_filter_line_ssse3;
57 yadif->req_align = 16;
59 #endif /* HAVE_YASM */