Libav
h264chroma.c
Go to the documentation of this file.
1 /*
2  * This file is part of Libav.
3  *
4  * Libav is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * Libav is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "config.h"
20 #include "libavutil/attributes.h"
21 #include "h264chroma.h"
22 
23 #define BIT_DEPTH 8
24 #include "h264chroma_template.c"
25 #undef BIT_DEPTH
26 
27 #define BIT_DEPTH 16
28 #include "h264chroma_template.c"
29 #undef BIT_DEPTH
30 
31 #define SET_CHROMA(depth) \
32  c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_ ## depth ## _c; \
33  c->put_h264_chroma_pixels_tab[1] = put_h264_chroma_mc4_ ## depth ## _c; \
34  c->put_h264_chroma_pixels_tab[2] = put_h264_chroma_mc2_ ## depth ## _c; \
35  c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_ ## depth ## _c; \
36  c->avg_h264_chroma_pixels_tab[1] = avg_h264_chroma_mc4_ ## depth ## _c; \
37  c->avg_h264_chroma_pixels_tab[2] = avg_h264_chroma_mc2_ ## depth ## _c; \
38 
40 {
41  if (bit_depth > 8 && bit_depth <= 16) {
42  SET_CHROMA(16);
43  } else {
44  SET_CHROMA(8);
45  }
46 
47  if (ARCH_AARCH64)
48  ff_h264chroma_init_aarch64(c, bit_depth);
49  if (ARCH_ARM)
50  ff_h264chroma_init_arm(c, bit_depth);
51  if (ARCH_PPC)
52  ff_h264chroma_init_ppc(c, bit_depth);
53  if (ARCH_X86)
54  ff_h264chroma_init_x86(c, bit_depth);
55 }
av_cold void ff_h264chroma_init(H264ChromaContext *c, int bit_depth)
Definition: h264chroma.c:39
Macro definitions for various function/variable attributes.
void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth)
#define av_cold
Definition: attributes.h:66
#define ARCH_AARCH64
Definition: config.h:12
av_cold void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth)
av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth)
#define ARCH_PPC
Definition: config.h:24
#define ARCH_ARM
Definition: config.h:14
void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
#define ARCH_X86
Definition: config.h:33
#define SET_CHROMA(depth)
Definition: h264chroma.c:31