1#ifndef _LINUX_VIDEO_ENCODER_H 2#define _LINUX_VIDEO_ENCODER_H 3 4struct video_encoder_capability { /* this name is too long */ 5 __u32 flags; 6#define VIDEO_ENCODER_PAL 1 /* can encode PAL signal */ 7#define VIDEO_ENCODER_NTSC 2 /* can encode NTSC */ 8#define VIDEO_ENCODER_SECAM 4 /* can encode SECAM */ 9#define VIDEO_ENCODER_CCIR 16 /* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */ 10 int inputs; /* number of inputs */ 11 int outputs; /* number of outputs */ 12}; 13 14#define ENCODER_GET_CAPABILITIES _IOR('e', 1, struct video_encoder_capability) 15#define ENCODER_SET_NORM _IOW('e', 2, int) 16#define ENCODER_SET_INPUT _IOW('e', 3, int) /* 0 <= input < #inputs */ 17#define ENCODER_SET_OUTPUT _IOW('e', 4, int) /* 0 <= output < #outputs */ 18#define ENCODER_ENABLE_OUTPUT _IOW('e', 5, int) /* boolean output enable control */ 19 20 21#endif 22