/* libv4l1 linux/videodev.h replacement file */ #ifndef __LINUX_VIDEODEV_H #define __LINUX_VIDEODEV_H #ifdef linux #include #endif #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) #include #endif #include #define VID_TYPE_CAPTURE 1 /* Can capture */ #define VID_TYPE_TUNER 2 /* Can tune */ #define VID_TYPE_TELETEXT 4 /* Does teletext */ #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ #define VID_TYPE_CLIPPING 32 /* Can clip */ #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ #define VID_TYPE_SCALES 128 /* Scalable */ #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ struct video_capability { char name[32]; int type; int channels; /* Num channels */ int audios; /* Num audio devices */ int maxwidth; /* Supported width */ int maxheight; /* And height */ int minwidth; /* Supported width */ int minheight; /* And height */ }; struct video_channel { int channel; char name[32]; int tuners; uint32_t flags; #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ #define VIDEO_VC_AUDIO 2 /* Channel has audio */ uint16_t type; #define VIDEO_TYPE_TV 1 #define VIDEO_TYPE_CAMERA 2 uint16_t norm; /* Norm set by channel */ }; struct video_tuner { int tuner; char name[32]; unsigned long rangelow, rangehigh; /* Tuner range */ uint32_t flags; #define VIDEO_TUNER_PAL 1 #define VIDEO_TUNER_NTSC 2 #define VIDEO_TUNER_SECAM 4 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ uint16_t mode; /* PAL/NTSC/SECAM/OTHER */ #define VIDEO_MODE_PAL 0 #define VIDEO_MODE_NTSC 1 #define VIDEO_MODE_SECAM 2 #define VIDEO_MODE_AUTO 3 uint16_t signal; /* Signal strength 16bit scale */ }; struct video_picture { uint16_t brightness; uint16_t hue; uint16_t colour; uint16_t contrast; uint16_t whiteness; /* Black and white only */ uint16_t depth; /* Capture depth */ uint16_t palette; /* Palette in use */ #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ #define VIDEO_PALETTE_YUYV 8 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ #define VIDEO_PALETTE_YUV420 10 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ #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_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_mbuf { int size; /* Total memory to map */ int frames; /* Frames */ int offsets[32]; }; 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 */ }; #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 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 */ #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ #endif