2 * Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
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/internal.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/cpu.h"
27 #include "libavfilter/interlace.h"
29 void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
31 ptrdiff_t mref, ptrdiff_t pref);
32 void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
34 ptrdiff_t mref, ptrdiff_t pref);
36 void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,
38 ptrdiff_t mref, ptrdiff_t pref);
40 av_cold void ff_interlace_init_x86(InterlaceContext *s)
42 int cpu_flags = av_get_cpu_flags();
44 if (EXTERNAL_SSE2(cpu_flags)) {
45 if (s->lowpass == VLPF_LIN)
46 s->lowpass_line = ff_lowpass_line_sse2;
47 else if (s->lowpass == VLPF_CMP)
48 s->lowpass_line = ff_lowpass_line_complex_sse2;
50 if (EXTERNAL_AVX(cpu_flags))
51 if (s->lowpass == VLPF_LIN)
52 s->lowpass_line = ff_lowpass_line_avx;