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#ifndef _LINUX_VIDEO_DECODER_H
#define _LINUX_VIDEO_DECODER_H
struct video_decoder_capability { /* this name is too long */
__u32 flags;
#define VIDEO_DECODER_PAL 1 /* can decode PAL signal */
#define VIDEO_DECODER_NTSC 2 /* can decode NTSC */
#define VIDEO_DECODER_SECAM 4 /* can decode SECAM */
#define VIDEO_DECODER_AUTO 8 /* can autosense norm */
#define VIDEO_DECODER_CCIR 16 /* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */
int inputs; /* number of inputs */
int outputs; /* number of outputs */
};
/*
DECODER_GET_STATUS returns the following flags. The only one you need is
DECODER_STATUS_GOOD, the others are just nice things to know.
*/
#define DECODER_STATUS_GOOD 1 /* receiving acceptable input */
#define DECODER_STATUS_COLOR 2 /* receiving color information */
#define DECODER_STATUS_PAL 4 /* auto detected */
#define DECODER_STATUS_NTSC 8 /* auto detected */
#define DECODER_STATUS_SECAM 16 /* auto detected */
#define DECODER_GET_CAPABILITIES _IOR('d', 1, struct video_decoder_capability)
#define DECODER_GET_STATUS _IOR('d', 2, int)
#define DECODER_SET_NORM _IOW('d', 3, int)
#define DECODER_SET_INPUT _IOW('d', 4, int) /* 0 <= input < #inputs */
#define DECODER_SET_OUTPUT _IOW('d', 5, int) /* 0 <= output < #outputs */
#define DECODER_ENABLE_OUTPUT _IOW('d', 6, int) /* boolean output enable control */
#define DECODER_SET_PICTURE _IOW('d', 7, struct video_picture)
#define DECODER_DUMP _IO('d', 192) /* debug hook */
#endif