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lossless_videodsp_init.c
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1 /*
2  * Lossless video DSP utils
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 "../lossless_videodsp.h"
22 #include "libavutil/pixdesc.h"
23 #include "libavutil/x86/cpu.h"
24 
25 void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
26 void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
27 void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
28 void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
29 int ff_add_hfyu_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
30 int ff_add_hfyu_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
31 void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
32 void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
33 
34 
36 {
37  int cpu_flags = av_get_cpu_flags();
38  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
39 
40  if (EXTERNAL_MMX(cpu_flags)) {
43  }
44 
45  if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth_minus1<15) {
48  }
49 
50  if (EXTERNAL_SSE2(cpu_flags)) {
53  }
54 
55  if (EXTERNAL_SSSE3(cpu_flags)) {
57  }
58 
59  if (EXTERNAL_SSE4(cpu_flags)) {
61  }
62 }