FFmpeg
v4l2-common.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVDEVICE_V4L2_COMMON_H
20 #define AVDEVICE_V4L2_COMMON_H
21 
22 #undef __STRICT_ANSI__ //workaround due to broken kernel headers
23 #include "config.h"
24 #include <stdint.h>
25 #include <unistd.h>
26 #include <fcntl.h>
27 #include <sys/ioctl.h>
28 #include <sys/mman.h>
29 #include <sys/time.h>
30 #if HAVE_SYS_VIDEOIO_H
31 #include <sys/videoio.h>
32 #else
33 #if HAVE_ASM_TYPES_H
34 #include <asm/types.h>
35 #endif
36 #include <linux/videodev2.h>
37 #endif
38 #include "libavutil/pixfmt.h"
39 #include "libavcodec/codec_id.h"
40 
41 struct fmt_map {
44  uint32_t v4l2_fmt;
45 };
46 
47 extern const struct fmt_map ff_fmt_conversion_table[];
48 
51 enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt);
52 
53 #endif /* AVDEVICE_V4L2_COMMON_H */
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
ff_fmt_v4l2codec
enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt)
Definition: v4l2-common.c:103
ff_fmt_ff2v4l
uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
Definition: v4l2-common.c:73
codec_id.h
ff_fmt_conversion_table
const struct fmt_map ff_fmt_conversion_table[]
Definition: v4l2-common.c:21
pix_fmt
static enum AVPixelFormat pix_fmt
Definition: demuxing_decoding.c:41
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:371
fmt_map::v4l2_fmt
uint32_t v4l2_fmt
Definition: v4l2-common.h:44
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:47
fmt_map::codec_id
enum AVCodecID codec_id
Definition: v4l2-common.h:43
pixfmt.h
fmt_map
Definition: v4l2-common.h:41
ff_fmt_v4l2ff
enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
Definition: v4l2-common.c:89
fmt_map::ff_fmt
enum AVPixelFormat ff_fmt
Definition: v4l2-common.h:42