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  • /*
     * 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
     */
    
    #ifndef AVDEVICE_V4L2_COMMON_H
    #define AVDEVICE_V4L2_COMMON_H
    
    #undef __STRICT_ANSI__ //workaround due to broken kernel headers
    #include "config.h"
    #include "libavformat/internal.h"
    #include <unistd.h>
    #include <fcntl.h>
    #include <sys/ioctl.h>
    #include <sys/mman.h>
    #include <sys/time.h>
    #if HAVE_SYS_VIDEOIO_H
    #include <sys/videoio.h>
    #else
    #if HAVE_ASM_TYPES_H
    #include <asm/types.h>
    #endif
    #include <linux/videodev2.h>
    #endif
    #include "libavutil/atomic.h"
    #include "libavutil/avassert.h"
    #include "libavutil/imgutils.h"
    #include "libavutil/log.h"
    #include "libavutil/opt.h"
    #include "avdevice.h"
    #include "timefilter.h"
    #include "libavutil/parseutils.h"
    #include "libavutil/pixdesc.h"
    #include "libavutil/time.h"
    #include "libavutil/avstring.h"
    
    struct fmt_map {
        enum AVPixelFormat ff_fmt;
        enum AVCodecID codec_id;
        uint32_t v4l2_fmt;
    };
    
    
    extern const struct fmt_map ff_fmt_conversion_table[];
    
    uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id);
    enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id);
    enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt);
    
    
    #endif /* AVDEVICE_V4L2_COMMON_H */