FFmpeg
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videodsp.c
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1 /*
2  * Copyright (C) 2012 Ronald S. Bultje
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/avassert.h"
22 #include "libavutil/common.h"
23 #include "videodsp.h"
24 
25 #define BIT_DEPTH 8
26 #include "videodsp_template.c"
27 #undef BIT_DEPTH
28 
29 #define BIT_DEPTH 16
30 #include "videodsp_template.c"
31 #undef BIT_DEPTH
32 
33 static void just_return(uint8_t *buf, ptrdiff_t stride, int h)
34 {
35 }
36 
37 void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
38 {
39  ctx->prefetch = just_return;
40  if (bpc <= 8) {
41  ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
42  } else {
43  ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
44  }
45 
46  if (ARCH_ARM)
47  ff_videodsp_init_arm(ctx, bpc);
48  if (ARCH_PPC)
49  ff_videodsp_init_ppc(ctx, bpc);
50  if (ARCH_X86)
51  ff_videodsp_init_x86(ctx, bpc);
52 }