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,
30 const uint8_t *srcp, ptrdiff_t mref,
31 ptrdiff_t pref, int clip_max);
32 void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
33 const uint8_t *srcp, ptrdiff_t mref,
34 ptrdiff_t pref, int clip_max);
35 void ff_lowpass_line_avx2 (uint8_t *dstp, ptrdiff_t linesize,
36 const uint8_t *srcp, ptrdiff_t mref,
37 ptrdiff_t pref, int clip_max);
39 void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize,
40 const uint8_t *srcp, ptrdiff_t mref,
41 ptrdiff_t pref, int clip_max);
42 void ff_lowpass_line_16_avx (uint8_t *dstp, ptrdiff_t linesize,
43 const uint8_t *srcp, ptrdiff_t mref,
44 ptrdiff_t pref, int clip_max);
45 void ff_lowpass_line_16_avx2 (uint8_t *dstp, ptrdiff_t linesize,
46 const uint8_t *srcp, ptrdiff_t mref,
47 ptrdiff_t pref, int clip_max);
49 void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,
50 const uint8_t *srcp, ptrdiff_t mref,
51 ptrdiff_t pref, int clip_max);
53 void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize,
54 const uint8_t *srcp, ptrdiff_t mref,
55 ptrdiff_t pref, int clip_max);
57 av_cold void ff_interlace_init_x86(InterlaceContext *s, int depth)
59 int cpu_flags = av_get_cpu_flags();
62 if (EXTERNAL_SSE2(cpu_flags)) {
63 if (s->lowpass == VLPF_LIN)
64 s->lowpass_line = ff_lowpass_line_16_sse2;
65 else if (s->lowpass == VLPF_CMP)
66 s->lowpass_line = ff_lowpass_line_complex_12_sse2;
68 if (EXTERNAL_AVX(cpu_flags))
69 if (s->lowpass == VLPF_LIN)
70 s->lowpass_line = ff_lowpass_line_16_avx;
71 if (EXTERNAL_AVX2_FAST(cpu_flags))
72 if (s->lowpass == VLPF_LIN)
73 s->lowpass_line = ff_lowpass_line_16_avx2;
75 if (EXTERNAL_SSE2(cpu_flags)) {
76 if (s->lowpass == VLPF_LIN)
77 s->lowpass_line = ff_lowpass_line_sse2;
78 else if (s->lowpass == VLPF_CMP)
79 s->lowpass_line = ff_lowpass_line_complex_sse2;
81 if (EXTERNAL_AVX(cpu_flags))
82 if (s->lowpass == VLPF_LIN)
83 s->lowpass_line = ff_lowpass_line_avx;
84 if (EXTERNAL_AVX2_FAST(cpu_flags))
85 if (s->lowpass == VLPF_LIN)
86 s->lowpass_line = ff_lowpass_line_avx2;