xref: /third_party/ffmpeg/libavcodec/videodsp.c (revision cabdff1a)
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 "config.h"
22#include "libavutil/attributes.h"
23#include "libavutil/avassert.h"
24#include "libavutil/macros.h"
25#include "videodsp.h"
26
27#define BIT_DEPTH 8
28#include "videodsp_template.c"
29#undef BIT_DEPTH
30
31#define BIT_DEPTH 16
32#include "videodsp_template.c"
33#undef BIT_DEPTH
34
35static void just_return(uint8_t *buf, ptrdiff_t stride, int h)
36{
37}
38
39av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
40{
41    ctx->prefetch = just_return;
42    if (bpc <= 8) {
43        ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
44    } else {
45        ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
46    }
47
48#if ARCH_AARCH64
49    ff_videodsp_init_aarch64(ctx, bpc);
50#elif ARCH_ARM
51    ff_videodsp_init_arm(ctx, bpc);
52#elif ARCH_PPC
53    ff_videodsp_init_ppc(ctx, bpc);
54#elif ARCH_X86
55    ff_videodsp_init_x86(ctx, bpc);
56#elif ARCH_MIPS
57    ff_videodsp_init_mips(ctx, bpc);
58#elif ARCH_LOONGARCH64
59    ff_videodsp_init_loongarch(ctx, bpc);
60#endif
61}
62