1 /*
2 * Copyright (C) 2015 Paul B Mahol
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
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 "libavfilter/w3fdif.h"
27
28 void ff_w3fdif_simple_low_sse2(int32_t *work_line,
29 uint8_t *in_lines_cur[2],
30 const int16_t *coef, int linesize);
31
32 void ff_w3fdif_simple_high_sse2(int32_t *work_line,
33 uint8_t *in_lines_cur[3],
34 uint8_t *in_lines_adj[3],
35 const int16_t *coef, int linesize);
36
37 void ff_w3fdif_complex_low_sse2(int32_t *work_line,
38 uint8_t *in_lines_cur[4],
39 const int16_t *coef, int linesize);
40
41 void ff_w3fdif_complex_high_sse2(int32_t *work_line,
42 uint8_t *in_lines_cur[5],
43 uint8_t *in_lines_adj[5],
44 const int16_t *coef, int linesize);
45
46 void ff_w3fdif_scale_sse2(uint8_t *out_pixel, const int32_t *work_pixel,
47 int linesize, int max);
48
ff_w3fdif_init_x86(W3FDIFDSPContext * dsp,int depth)49 av_cold void ff_w3fdif_init_x86(W3FDIFDSPContext *dsp, int depth)
50 {
51 int cpu_flags = av_get_cpu_flags();
52
53 if (EXTERNAL_SSE2(cpu_flags) && depth <= 8) {
54 dsp->filter_simple_low = ff_w3fdif_simple_low_sse2;
55 dsp->filter_simple_high = ff_w3fdif_simple_high_sse2;
56 dsp->filter_complex_low = ff_w3fdif_complex_low_sse2;
57 dsp->filter_scale = ff_w3fdif_scale_sse2;
58 }
59
60 if (ARCH_X86_64 && EXTERNAL_SSE2(cpu_flags) && depth <= 8) {
61 dsp->filter_complex_high = ff_w3fdif_complex_high_sse2;
62 }
63 }
64