include/linux/video_decoder.h

   1 #ifndef _LINUX_VIDEO_DECODER_H
   2 #define _LINUX_VIDEO_DECODER_H
   3
   4 #include <linux/types.h>
   5
   6 #define HAVE_VIDEO_DECODER 1
   7
   8 struct video_decoder_capability { /* this name is too long */
   9         __u32   flags;
  10 #define VIDEO_DECODER_PAL       1       /* can decode PAL signal */
  11 #define VIDEO_DECODER_NTSC      2       /* can decode NTSC */
  12 #define VIDEO_DECODER_SECAM     4       /* can decode SECAM */
  13 #define VIDEO_DECODER_AUTO      8       /* can autosense norm */
  14 #define VIDEO_DECODER_CCIR      16      /* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */
  15         int     inputs;                 /* number of inputs */
  16         int     outputs;                /* number of outputs */
  17 };
  18
  19 /*
  20 DECODER_GET_STATUS returns the following flags.  The only one you need is
  21 DECODER_STATUS_GOOD, the others are just nice things to know.
  22 */
  23 #define DECODER_STATUS_GOOD     1       /* receiving acceptable input */
  24 #define DECODER_STATUS_COLOR    2       /* receiving color information */
  25 #define DECODER_STATUS_PAL      4       /* auto detected */
  26 #define DECODER_STATUS_NTSC     8       /* auto detected */
  27 #define DECODER_STATUS_SECAM    16      /* auto detected */
  28
  29 struct video_decoder_init {
  30         unsigned char len;
  31         const unsigned char *data;
  32 };
  33
  34 #define DECODER_GET_CAPABILITIES _IOR('d', 1, struct video_decoder_capability)
  35 #define DECODER_GET_STATUS      _IOR('d', 2, int)
  36 #define DECODER_SET_NORM        _IOW('d', 3, int)
  37 #define DECODER_SET_INPUT       _IOW('d', 4, int)       /* 0 <= input < #inputs */
  38 #define DECODER_SET_OUTPUT      _IOW('d', 5, int)       /* 0 <= output < #outputs */
  39 #define DECODER_ENABLE_OUTPUT   _IOW('d', 6, int)       /* boolean output enable control */
  40 #define DECODER_SET_PICTURE     _IOW('d', 7, struct video_picture)
  41 #define DECODER_SET_GPIO        _IOW('d', 8, int)       /* switch general purpose pin */
  42 #define DECODER_INIT            _IOW('d', 9, struct video_decoder_init) /* init internal registers at once */
  43 #define DECODER_SET_VBI_BYPASS  _IOW('d', 10, int)      /* switch vbi bypass */
  44
  45 #define DECODER_DUMP            _IO('d', 192)           /* debug hook */
  46
  47
  48 #endif