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/asm.h"
26 #include "libavutil/x86/cpu.h"
28 #include "libavfilter/tinterlace.h"
30 void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
31 const uint8_t *srcp, ptrdiff_t mref,
32 ptrdiff_t pref, int clip_max);
33 void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
34 const uint8_t *srcp, ptrdiff_t mref,
35 ptrdiff_t pref, int clip_max);
37 void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize,
38 const uint8_t *srcp, ptrdiff_t mref,
39 ptrdiff_t pref, int clip_max);
40 void ff_lowpass_line_16_avx (uint8_t *dstp, ptrdiff_t linesize,
41 const uint8_t *srcp, ptrdiff_t mref,
42 ptrdiff_t pref, int clip_max);
44 void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,
45 const uint8_t *srcp, ptrdiff_t mref,
46 ptrdiff_t pref, int clip_max);
48 void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize,
49 const uint8_t *srcp, ptrdiff_t mref,
50 ptrdiff_t pref, int clip_max);
52 av_cold void ff_tinterlace_init_x86(TInterlaceContext *s)
54 int cpu_flags = av_get_cpu_flags();
56 if (s->csp->comp[0].depth > 8) {
57 if (EXTERNAL_SSE2(cpu_flags)) {
58 if (!(s->flags & TINTERLACE_FLAG_CVLPF))
59 s->lowpass_line = ff_lowpass_line_16_sse2;
61 s->lowpass_line = ff_lowpass_line_complex_12_sse2;
63 if (EXTERNAL_AVX(cpu_flags))
64 if (!(s->flags & TINTERLACE_FLAG_CVLPF))
65 s->lowpass_line = ff_lowpass_line_16_avx;
67 if (EXTERNAL_SSE2(cpu_flags)) {
68 if (!(s->flags & TINTERLACE_FLAG_CVLPF))
69 s->lowpass_line = ff_lowpass_line_sse2;
71 s->lowpass_line = ff_lowpass_line_complex_sse2;
73 if (EXTERNAL_AVX(cpu_flags))
74 if (!(s->flags & TINTERLACE_FLAG_CVLPF))
75 s->lowpass_line = ff_lowpass_line_avx;