FFmpeg
libavdevice
v4l2-common.h
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVDEVICE_V4L2_COMMON_H
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#define AVDEVICE_V4L2_COMMON_H
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#undef __STRICT_ANSI__ //workaround due to broken kernel headers
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#include "config.h"
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#include <stdint.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#if HAVE_SYS_VIDEOIO_H
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#include <sys/videoio.h>
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#else
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#if HAVE_ASM_TYPES_H
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#include <asm/types.h>
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#endif
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#include <linux/videodev2.h>
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#endif
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#include "
libavutil/pixfmt.h
"
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#include "
libavcodec/codec_id.h
"
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struct
fmt_map
{
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enum
AVPixelFormat
ff_fmt
;
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enum
AVCodecID
codec_id
;
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uint32_t
v4l2_fmt
;
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};
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extern
const
struct
fmt_map
ff_fmt_conversion_table
[];
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uint32_t
ff_fmt_ff2v4l
(
enum
AVPixelFormat
pix_fmt
,
enum
AVCodecID
codec_id
);
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enum
AVPixelFormat
ff_fmt_v4l2ff
(uint32_t
v4l2_fmt
,
enum
AVCodecID
codec_id
);
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enum
AVCodecID
ff_fmt_v4l2codec
(uint32_t
v4l2_fmt
);
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#endif
/* AVDEVICE_V4L2_COMMON_H */
AVPixelFormat
AVPixelFormat
Pixel format.
Definition:
pixfmt.h:71
ff_fmt_v4l2codec
enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt)
Definition:
v4l2-common.c:109
ff_fmt_ff2v4l
uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
Definition:
v4l2-common.c:79
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:
demux_decode.c:41
codec_id
enum AVCodecID codec_id
Definition:
vaapi_decode.c:410
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:49
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:95
fmt_map::ff_fmt
enum AVPixelFormat ff_fmt
Definition:
v4l2-common.h:42
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