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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 "libavformat/internal.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/atomic.h"
  39. #include "libavutil/avassert.h"
  40. #include "libavutil/imgutils.h"
  41. #include "libavutil/log.h"
  42. #include "libavutil/opt.h"
  43. #include "avdevice.h"
  44. #include "timefilter.h"
  45. #include "libavutil/parseutils.h"
  46. #include "libavutil/pixdesc.h"
  47. #include "libavutil/time.h"
  48. #include "libavutil/avstring.h"
  49.  
  50. struct fmt_map {
  51.     enum AVPixelFormat ff_fmt;
  52.     enum AVCodecID codec_id;
  53.     uint32_t v4l2_fmt;
  54. };
  55.  
  56. extern av_export const struct fmt_map avpriv_fmt_conversion_table[];
  57.  
  58. uint32_t avpriv_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id);
  59. enum AVPixelFormat avpriv_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id);
  60. enum AVCodecID avpriv_fmt_v4l2codec(uint32_t v4l2_fmt);
  61.  
  62. #endif /* AVDEVICE_V4L2_COMMON_H */
  63.