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1da177e4 LT |
1 | #ifndef _LINUX_VIDEO_DECODER_H |
2 | #define _LINUX_VIDEO_DECODER_H | |
3 | ||
4 | struct video_decoder_capability { /* this name is too long */ | |
5 | __u32 flags; | |
6 | #define VIDEO_DECODER_PAL 1 /* can decode PAL signal */ | |
7 | #define VIDEO_DECODER_NTSC 2 /* can decode NTSC */ | |
8 | #define VIDEO_DECODER_SECAM 4 /* can decode SECAM */ | |
9 | #define VIDEO_DECODER_AUTO 8 /* can autosense norm */ | |
10 | #define VIDEO_DECODER_CCIR 16 /* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */ | |
11 | int inputs; /* number of inputs */ | |
12 | int outputs; /* number of outputs */ | |
13 | }; | |
14 | ||
15 | /* | |
16 | DECODER_GET_STATUS returns the following flags. The only one you need is | |
17 | DECODER_STATUS_GOOD, the others are just nice things to know. | |
18 | */ | |
19 | #define DECODER_STATUS_GOOD 1 /* receiving acceptable input */ | |
20 | #define DECODER_STATUS_COLOR 2 /* receiving color information */ | |
21 | #define DECODER_STATUS_PAL 4 /* auto detected */ | |
22 | #define DECODER_STATUS_NTSC 8 /* auto detected */ | |
23 | #define DECODER_STATUS_SECAM 16 /* auto detected */ | |
24 | ||
25 | struct video_decoder_init { | |
26 | unsigned char len; | |
27 | const unsigned char *data; | |
28 | }; | |
29 | ||
30 | #define DECODER_GET_CAPABILITIES _IOR('d', 1, struct video_decoder_capability) | |
31 | #define DECODER_GET_STATUS _IOR('d', 2, int) | |
32 | #define DECODER_SET_NORM _IOW('d', 3, int) | |
33 | #define DECODER_SET_INPUT _IOW('d', 4, int) /* 0 <= input < #inputs */ | |
34 | #define DECODER_SET_OUTPUT _IOW('d', 5, int) /* 0 <= output < #outputs */ | |
35 | #define DECODER_ENABLE_OUTPUT _IOW('d', 6, int) /* boolean output enable control */ | |
36 | #define DECODER_SET_PICTURE _IOW('d', 7, struct video_picture) | |
37 | #define DECODER_SET_GPIO _IOW('d', 8, int) /* switch general purpose pin */ | |
38 | #define DECODER_INIT _IOW('d', 9, struct video_decoder_init) /* init internal registers at once */ | |
39 | #define DECODER_SET_VBI_BYPASS _IOW('d', 10, int) /* switch vbi bypass */ | |
40 | ||
41 | #define DECODER_DUMP _IO('d', 192) /* debug hook */ | |
42 | ||
43 | ||
44 | #endif |