1 /* libv4l1 linux/videodev.h replacement file */ 2 #ifndef __LINUX_VIDEODEV_H 3 #define __LINUX_VIDEODEV_H 4 5 #ifdef linux 6 #include <linux/ioctl.h> 7 #endif 8 9 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) 10 #include <sys/ioctl.h> 11 #endif 12 13 #include <stdint.h> 14 15 #define VID_TYPE_CAPTURE 1 /* Can capture */ 16 #define VID_TYPE_TUNER 2 /* Can tune */ 17 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 18 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 19 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 20 #define VID_TYPE_CLIPPING 32 /* Can clip */ 21 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 22 #define VID_TYPE_SCALES 128 /* Scalable */ 23 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 24 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 25 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 26 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 27 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 28 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 29 30 struct video_capability 31 { 32 char name[32]; 33 int type; 34 int channels; /* Num channels */ 35 int audios; /* Num audio devices */ 36 int maxwidth; /* Supported width */ 37 int maxheight; /* And height */ 38 int minwidth; /* Supported width */ 39 int minheight; /* And height */ 40 }; 41 42 43 struct video_channel 44 { 45 int channel; 46 char name[32]; 47 int tuners; 48 uint32_t flags; 49 #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 50 #define VIDEO_VC_AUDIO 2 /* Channel has audio */ 51 uint16_t type; 52 #define VIDEO_TYPE_TV 1 53 #define VIDEO_TYPE_CAMERA 2 54 uint16_t norm; /* Norm set by channel */ 55 }; 56 57 struct video_tuner 58 { 59 int tuner; 60 char name[32]; 61 unsigned long rangelow, rangehigh; /* Tuner range */ 62 uint32_t flags; 63 #define VIDEO_TUNER_PAL 1 64 #define VIDEO_TUNER_NTSC 2 65 #define VIDEO_TUNER_SECAM 4 66 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 67 #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 68 #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 69 #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 70 #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 71 uint16_t mode; /* PAL/NTSC/SECAM/OTHER */ 72 #define VIDEO_MODE_PAL 0 73 #define VIDEO_MODE_NTSC 1 74 #define VIDEO_MODE_SECAM 2 75 #define VIDEO_MODE_AUTO 3 76 uint16_t signal; /* Signal strength 16bit scale */ 77 }; 78 79 struct video_picture 80 { 81 uint16_t brightness; 82 uint16_t hue; 83 uint16_t colour; 84 uint16_t contrast; 85 uint16_t whiteness; /* Black and white only */ 86 uint16_t depth; /* Capture depth */ 87 uint16_t palette; /* Palette in use */ 88 #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 89 #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 90 #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 91 #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 92 #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 93 #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 94 #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 95 #define VIDEO_PALETTE_YUYV 8 96 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 97 #define VIDEO_PALETTE_YUV420 10 98 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 99 #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 100 #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 101 #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 102 #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 103 #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 104 #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 105 #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 106 }; 107 108 struct video_audio 109 { 110 int audio; /* Audio channel */ 111 uint16_t volume; /* If settable */ 112 uint16_t bass, treble; 113 uint32_t flags; 114 #define VIDEO_AUDIO_MUTE 1 115 #define VIDEO_AUDIO_MUTABLE 2 116 #define VIDEO_AUDIO_VOLUME 4 117 #define VIDEO_AUDIO_BASS 8 118 #define VIDEO_AUDIO_TREBLE 16 119 #define VIDEO_AUDIO_BALANCE 32 120 char name[16]; 121 #define VIDEO_SOUND_MONO 1 122 #define VIDEO_SOUND_STEREO 2 123 #define VIDEO_SOUND_LANG1 4 124 #define VIDEO_SOUND_LANG2 8 125 uint16_t mode; 126 uint16_t balance; /* Stereo balance */ 127 uint16_t step; /* Step actual volume uses */ 128 }; 129 130 struct video_clip 131 { 132 int32_t x,y; 133 int32_t width, height; 134 struct video_clip *next; /* For user use/driver use only */ 135 }; 136 137 struct video_window 138 { 139 uint32_t x,y; /* Position of window */ 140 uint32_t width,height; /* Its size */ 141 uint32_t chromakey; 142 uint32_t flags; 143 struct video_clip *clips; /* Set only */ 144 int clipcount; 145 #define VIDEO_WINDOW_INTERLACE 1 146 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 147 #define VIDEO_CLIP_BITMAP -1 148 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 149 #define VIDEO_CLIPMAP_SIZE (128 * 625) 150 }; 151 152 struct video_buffer 153 { 154 void *base; 155 int height,width; 156 int depth; 157 int bytesperline; 158 }; 159 160 struct video_mmap 161 { 162 unsigned int frame; /* Frame (0 - n) for double buffer */ 163 int height,width; 164 unsigned int format; /* should be VIDEO_PALETTE_* */ 165 }; 166 167 struct video_mbuf 168 { 169 int size; /* Total memory to map */ 170 int frames; /* Frames */ 171 int offsets[32]; 172 }; 173 174 struct vbi_format { 175 uint32_t sampling_rate; /* in Hz */ 176 uint32_t samples_per_line; 177 uint32_t sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 178 int32_t start[2]; /* starting line for each frame */ 179 uint32_t count[2]; /* count of lines for each frame */ 180 uint32_t flags; 181 #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 182 #define VBI_INTERLACED 2 /* lines are interlaced */ 183 }; 184 185 #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 186 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 187 #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 188 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 189 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 190 #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 191 #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 192 #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 193 #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 194 #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 195 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 196 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 197 #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 198 #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 199 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 200 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 201 #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 202 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 203 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 204 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 205 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 206 207 #endif 208