+#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */
+#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */
+};
+
+struct video_audio
+{
+ int audio; /* Audio channel */
+ uint16_t volume; /* If settable */
+ uint16_t bass, treble;
+ uint32_t flags;
+#define VIDEO_AUDIO_MUTE 1
+#define VIDEO_AUDIO_MUTABLE 2
+#define VIDEO_AUDIO_VOLUME 4
+#define VIDEO_AUDIO_BASS 8
+#define VIDEO_AUDIO_TREBLE 16
+#define VIDEO_AUDIO_BALANCE 32
+ char name[16];
+#define VIDEO_SOUND_MONO 1
+#define VIDEO_SOUND_STEREO 2
+#define VIDEO_SOUND_LANG1 4
+#define VIDEO_SOUND_LANG2 8
+ uint16_t mode;
+ uint16_t balance; /* Stereo balance */
+ uint16_t step; /* Step actual volume uses */
+};
+
+struct video_clip
+{
+ int32_t x,y;
+ int32_t width, height;
+ struct video_clip *next; /* For user use/driver use only */
+};
+
+struct video_window
+{
+ uint32_t x,y; /* Position of window */
+ uint32_t width,height; /* Its size */
+ uint32_t chromakey;
+ uint32_t flags;
+ struct video_clip *clips; /* Set only */
+ int clipcount;
+#define VIDEO_WINDOW_INTERLACE 1
+#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */
+#define VIDEO_CLIP_BITMAP -1
+/* bitmap is 1024x625, a '1' bit represents a clipped pixel */
+#define VIDEO_CLIPMAP_SIZE (128 * 625)
+};
+
+struct video_capture
+{
+ uint32_t x,y; /* Offsets into image */
+ uint32_t width, height; /* Area to capture */
+ uint16_t decimation; /* Decimation divider */
+ uint16_t flags; /* Flags for capture */
+#define VIDEO_CAPTURE_ODD 0 /* Temporal */
+#define VIDEO_CAPTURE_EVEN 1
+};
+
+struct video_buffer
+{
+ void *base;
+ int height,width;
+ int depth;
+ int bytesperline;
+};
+
+struct video_mmap
+{
+ unsigned int frame; /* Frame (0 - n) for double buffer */
+ int height,width;
+ unsigned int format; /* should be VIDEO_PALETTE_* */
+};
+
+struct video_key
+{
+ uint8_t key[8];
+ uint32_t flags;
+};
+
+struct video_mbuf
+{
+ int size; /* Total memory to map */
+ int frames; /* Frames */
+ int offsets[VIDEO_MAX_FRAME];
+};
+
+#define VIDEO_NO_UNIT (-1)
+
+struct video_unit
+{
+ int video; /* Video minor */
+ int vbi; /* VBI minor */
+ int radio; /* Radio minor */
+ int audio; /* Audio minor */
+ int teletext; /* Teletext minor */
+};
+
+struct vbi_format {
+ uint32_t sampling_rate; /* in Hz */
+ uint32_t samples_per_line;
+ uint32_t sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */
+ int32_t start[2]; /* starting line for each frame */
+ uint32_t count[2]; /* count of lines for each frame */
+ uint32_t flags;
+#define VBI_UNSYNC 1 /* can distingues between top/bottom field */
+#define VBI_INTERLACED 2 /* lines are interlaced */
+};
+
+/* video_info is biased towards hardware mpeg encode/decode */
+/* but it could apply generically to any hardware compressor/decompressor */
+struct video_info
+{
+ uint32_t frame_count; /* frames output since decode/encode began */
+ uint32_t h_size; /* current unscaled horizontal size */
+ uint32_t v_size; /* current unscaled veritcal size */
+ uint32_t smpte_timecode; /* current SMPTE timecode (for current GOP) */
+ uint32_t picture_type; /* current picture type */
+ uint32_t temporal_reference; /* current temporal reference */
+ uint8_t user_data[256]; /* user data last found in compressed stream */
+ /* user_data[0] contains user data flags, user_data[1] has count */
+};
+
+/* generic structure for setting playback modes */
+struct video_play_mode
+{
+ int mode;
+ int p1;
+ int p2;
+};
+
+/* for loading microcode / fpga programming */
+struct video_code
+{
+ char loadwhat[16]; /* name or tag of file being passed */
+ int datasize;
+ uint8_t *data;
+};
+
+#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */
+#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */
+#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */
+#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */
+#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */
+#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */
+#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */
+#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */
+#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */
+#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
+#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */
+#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */
+#define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */
+#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */
+#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */
+#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */