1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* V4L2 format helper functions
*
* Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
* Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/videodev2.h>
#include <search.h>
#include "v4l2_fmt.h"
#define V4L2_FMT(x) V4L2_PIX_FMT_##x
#define AV_CODEC(x) AV_CODEC_ID_##x
#define AV_FMT(x) AV_PIX_FMT_##x
static const struct fmt_conversion {
enum AVPixelFormat avfmt;
enum AVCodecID avcodec;
uint32_t v4l2_fmt;
} fmt_map[] = {
{ AV_FMT(RGB555LE), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB555) },
{ AV_FMT(RGB555BE), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB555X) },
{ AV_FMT(RGB565LE), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB565) },
{ AV_FMT(RGB565BE), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB565X) },
{ AV_FMT(BGR24), AV_CODEC(RAWVIDEO), V4L2_FMT(BGR24) },
{ AV_FMT(RGB24), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB24) },
{ AV_FMT(BGR0), AV_CODEC(RAWVIDEO), V4L2_FMT(BGR32) },
{ AV_FMT(0RGB), AV_CODEC(RAWVIDEO), V4L2_FMT(RGB32) },
{ AV_FMT(GRAY8), AV_CODEC(RAWVIDEO), V4L2_FMT(GREY) },
{ AV_FMT(YUV420P), AV_CODEC(RAWVIDEO), V4L2_FMT(YUV420) },
{ AV_FMT(YUYV422), AV_CODEC(RAWVIDEO), V4L2_FMT(YUYV) },
{ AV_FMT(UYVY422), AV_CODEC(RAWVIDEO), V4L2_FMT(UYVY) },
{ AV_FMT(YUV422P), AV_CODEC(RAWVIDEO), V4L2_FMT(YUV422P) },
{ AV_FMT(YUV411P), AV_CODEC(RAWVIDEO), V4L2_FMT(YUV411P) },
{ AV_FMT(YUV410P), AV_CODEC(RAWVIDEO), V4L2_FMT(YUV410) },
{ AV_FMT(YUV410P), AV_CODEC(RAWVIDEO), V4L2_FMT(YVU410) },
{ AV_FMT(NV12), AV_CODEC(RAWVIDEO), V4L2_FMT(NV12) },
{ AV_FMT(NONE), AV_CODEC(MJPEG), V4L2_FMT(MJPEG) },
{ AV_FMT(NONE), AV_CODEC(MJPEG), V4L2_FMT(JPEG) },
#ifdef V4L2_PIX_FMT_SRGGB8
{ AV_FMT(BAYER_BGGR8), AV_CODEC(RAWVIDEO), V4L2_FMT(SBGGR8) },
{ AV_FMT(BAYER_GBRG8), AV_CODEC(RAWVIDEO), V4L2_FMT(SGBRG8) },
{ AV_FMT(BAYER_GRBG8), AV_CODEC(RAWVIDEO), V4L2_FMT(SGRBG8) },
{ AV_FMT(BAYER_RGGB8), AV_CODEC(RAWVIDEO), V4L2_FMT(SRGGB8) },
#endif
#ifdef V4L2_PIX_FMT_Y16
{ AV_FMT(GRAY16LE), AV_CODEC(RAWVIDEO), V4L2_FMT(Y16) },
#endif
#ifdef V4L2_PIX_FMT_NV12M
{ AV_FMT(NV12), AV_CODEC(RAWVIDEO), V4L2_FMT(NV12M) },
#endif
#ifdef V4L2_PIX_FMT_NV21M
{ AV_FMT(NV21), AV_CODEC(RAWVIDEO), V4L2_FMT(NV21M) },
#endif
#ifdef V4L2_PIX_FMT_YUV420M
{ AV_FMT(YUV420P), AV_CODEC(RAWVIDEO), V4L2_FMT(YUV420M) },
#endif
#ifdef V4L2_PIX_FMT_NV16M
{ AV_FMT(NV16), AV_CODEC(RAWVIDEO), V4L2_FMT(NV16M) },
#endif
#ifdef V4L2_PIX_FMT_H263
{ AV_FMT(NONE), AV_CODEC(H263), V4L2_FMT(H263) },
#endif
#ifdef V4L2_PIX_FMT_H264
{ AV_FMT(NONE), AV_CODEC(H264), V4L2_FMT(H264) },
#endif
#ifdef V4L2_PIX_FMT_MPEG4
{ AV_FMT(NONE), AV_CODEC(MPEG4), V4L2_FMT(MPEG4) },
#endif
#ifdef V4L2_PIX_FMT_CPIA1
{ AV_FMT(NONE), AV_CODEC(CPIA), V4L2_FMT(CPIA1) },
#endif
#ifdef V4L2_PIX_FMT_DV
{ AV_FMT(NONE), AV_CODEC(DVVIDEO), V4L2_FMT(DV) },
#endif
#ifdef V4L2_PIX_FMT_MPEG1
{ AV_FMT(NONE), AV_CODEC(MPEG1VIDEO), V4L2_FMT(MPEG1) },
#endif
#ifdef V4L2_PIX_FMT_MPEG2
{ AV_FMT(NONE), AV_CODEC(MPEG2VIDEO), V4L2_FMT(MPEG2) },
#endif
#ifdef V4L2_PIX_FMT_VP8
{ AV_FMT(NONE), AV_CODEC(VP8), V4L2_FMT(VP8) },
#endif
#ifdef V4L2_PIX_FMT_VP9
{ AV_FMT(NONE), AV_CODEC(VP9), V4L2_FMT(VP9) },
#endif
#ifdef V4L2_PIX_FMT_HEVC
{ AV_FMT(NONE), AV_CODEC(HEVC), V4L2_FMT(HEVC) },
#endif
#ifdef V4L2_PIX_FMT_VC1_ANNEX_G
{ AV_FMT(NONE), AV_CODEC(VC1), V4L2_FMT(VC1_ANNEX_G) },
#endif
};
uint32_t ff_v4l2_format_avcodec_to_v4l2(enum AVCodecID avcodec)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(fmt_map); i++) {
if (fmt_map[i].avcodec == avcodec)
return fmt_map[i].v4l2_fmt;
}
return 0;
}
uint32_t ff_v4l2_format_avfmt_to_v4l2(enum AVPixelFormat avfmt)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(fmt_map); i++) {
if (fmt_map[i].avfmt == avfmt)
return fmt_map[i].v4l2_fmt;
}
return 0;
}
enum AVPixelFormat ff_v4l2_format_v4l2_to_avfmt(uint32_t v4l2_fmt, enum AVCodecID avcodec)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(fmt_map); i++) {
if (fmt_map[i].avcodec == avcodec &&
fmt_map[i].v4l2_fmt == v4l2_fmt)
return fmt_map[i].avfmt;
}
return AV_PIX_FMT_NONE;
}
|
