#ifndef _LINUX_VIDEO_DECODER_H #define _LINUX_VIDEO_DECODER_H #define HAVE_VIDEO_DECODER 1 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 */ struct video_decoder_init { unsigned char len; const unsigned char *data; }; #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_SET_GPIO _IOW('d', 8, int) /* switch general purpose pin */ #define DECODER_INIT _IOW('d', 9, struct video_decoder_init) /* init internal registers at once */ #define DECODER_SET_VBI_BYPASS _IOW('d', 10, int) /* switch vbi bypass */ #define DECODER_DUMP _IO('d', 192) /* debug hook */ #endif