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