1 /* 2 * Video for Linux version 1 - OBSOLETE 3 * 4 * Header file for v4l1 drivers and applications, for 5 * Linux kernels 2.2.x or 2.4.x. 6 * 7 * Provides header for legacy drivers and applications 8 * 9 * See http://linuxtv.org for more info 10 * 11 */ 12 #ifndef __LINUX_VIDEODEV_H 13 #define __LINUX_VIDEODEV_H 14 15 #include <linux/types.h> 16 #include <linux/ioctl.h> 17 #include <linux/videodev2.h> 18 19 20 #define VID_TYPE_CAPTURE 1 /* Can capture */ 21 #define VID_TYPE_TUNER 2 /* Can tune */ 22 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 23 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 24 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 25 #define VID_TYPE_CLIPPING 32 /* Can clip */ 26 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 27 #define VID_TYPE_SCALES 128 /* Scalable */ 28 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 29 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 30 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 31 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 32 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 33 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 34 35 struct video_capability 36 { 37 char name[32]; 38 int type; 39 int channels; /* Num channels */ 40 int audios; /* Num audio devices */ 41 int maxwidth; /* Supported width */ 42 int maxheight; /* And height */ 43 int minwidth; /* Supported width */ 44 int minheight; /* And height */ 45 }; 46 47 48 struct video_channel 49 { 50 int channel; 51 char name[32]; 52 int tuners; 53 __u32 flags; 54 #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 55 #define VIDEO_VC_AUDIO 2 /* Channel has audio */ 56 __u16 type; 57 #define VIDEO_TYPE_TV 1 58 #define VIDEO_TYPE_CAMERA 2 59 __u16 norm; /* Norm set by channel */ 60 }; 61 62 struct video_tuner 63 { 64 int tuner; 65 char name[32]; 66 unsigned long rangelow, rangehigh; /* Tuner range */ 67 __u32 flags; 68 #define VIDEO_TUNER_PAL 1 69 #define VIDEO_TUNER_NTSC 2 70 #define VIDEO_TUNER_SECAM 4 71 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 72 #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 73 #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 74 #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 75 #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 76 __u16 mode; /* PAL/NTSC/SECAM/OTHER */ 77 #define VIDEO_MODE_PAL 0 78 #define VIDEO_MODE_NTSC 1 79 #define VIDEO_MODE_SECAM 2 80 #define VIDEO_MODE_AUTO 3 81 __u16 signal; /* Signal strength 16bit scale */ 82 }; 83 84 struct video_picture 85 { 86 __u16 brightness; 87 __u16 hue; 88 __u16 colour; 89 __u16 contrast; 90 __u16 whiteness; /* Black and white only */ 91 __u16 depth; /* Capture depth */ 92 __u16 palette; /* Palette in use */ 93 #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 94 #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 95 #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 96 #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 97 #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 98 #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 99 #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 100 #define VIDEO_PALETTE_YUYV 8 101 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 102 #define VIDEO_PALETTE_YUV420 10 103 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 104 #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 105 #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 106 #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 107 #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 108 #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 109 #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 110 #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 111 }; 112 113 struct video_audio 114 { 115 int audio; /* Audio channel */ 116 __u16 volume; /* If settable */ 117 __u16 bass, treble; 118 __u32 flags; 119 #define VIDEO_AUDIO_MUTE 1 120 #define VIDEO_AUDIO_MUTABLE 2 121 #define VIDEO_AUDIO_VOLUME 4 122 #define VIDEO_AUDIO_BASS 8 123 #define VIDEO_AUDIO_TREBLE 16 124 #define VIDEO_AUDIO_BALANCE 32 125 char name[16]; 126 #define VIDEO_SOUND_MONO 1 127 #define VIDEO_SOUND_STEREO 2 128 #define VIDEO_SOUND_LANG1 4 129 #define VIDEO_SOUND_LANG2 8 130 __u16 mode; 131 __u16 balance; /* Stereo balance */ 132 __u16 step; /* Step actual volume uses */ 133 }; 134 135 struct video_clip 136 { 137 __s32 x,y; 138 __s32 width, height; 139 struct video_clip *next; /* For user use/driver use only */ 140 }; 141 142 struct video_window 143 { 144 __u32 x,y; /* Position of window */ 145 __u32 width,height; /* Its size */ 146 __u32 chromakey; 147 __u32 flags; 148 struct video_clip *clips; /* Set only */ 149 int clipcount; 150 #define VIDEO_WINDOW_INTERLACE 1 151 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 152 #define VIDEO_CLIP_BITMAP -1 153 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 154 #define VIDEO_CLIPMAP_SIZE (128 * 625) 155 }; 156 157 struct video_capture 158 { 159 __u32 x,y; /* Offsets into image */ 160 __u32 width, height; /* Area to capture */ 161 __u16 decimation; /* Decimation divider */ 162 __u16 flags; /* Flags for capture */ 163 #define VIDEO_CAPTURE_ODD 0 /* Temporal */ 164 #define VIDEO_CAPTURE_EVEN 1 165 }; 166 167 struct video_buffer 168 { 169 void *base; 170 int height,width; 171 int depth; 172 int bytesperline; 173 }; 174 175 struct video_mmap 176 { 177 unsigned int frame; /* Frame (0 - n) for double buffer */ 178 int height,width; 179 unsigned int format; /* should be VIDEO_PALETTE_* */ 180 }; 181 182 struct video_key 183 { 184 __u8 key[8]; 185 __u32 flags; 186 }; 187 188 struct video_mbuf 189 { 190 int size; /* Total memory to map */ 191 int frames; /* Frames */ 192 int offsets[VIDEO_MAX_FRAME]; 193 }; 194 195 #define VIDEO_NO_UNIT (-1) 196 197 struct video_unit 198 { 199 int video; /* Video minor */ 200 int vbi; /* VBI minor */ 201 int radio; /* Radio minor */ 202 int audio; /* Audio minor */ 203 int teletext; /* Teletext minor */ 204 }; 205 206 struct vbi_format { 207 __u32 sampling_rate; /* in Hz */ 208 __u32 samples_per_line; 209 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 210 __s32 start[2]; /* starting line for each frame */ 211 __u32 count[2]; /* count of lines for each frame */ 212 __u32 flags; 213 #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 214 #define VBI_INTERLACED 2 /* lines are interlaced */ 215 }; 216 217 /* video_info is biased towards hardware mpeg encode/decode */ 218 /* but it could apply generically to any hardware compressor/decompressor */ 219 struct video_info 220 { 221 __u32 frame_count; /* frames output since decode/encode began */ 222 __u32 h_size; /* current unscaled horizontal size */ 223 __u32 v_size; /* current unscaled veritcal size */ 224 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ 225 __u32 picture_type; /* current picture type */ 226 __u32 temporal_reference; /* current temporal reference */ 227 __u8 user_data[256]; /* user data last found in compressed stream */ 228 /* user_data[0] contains user data flags, user_data[1] has count */ 229 }; 230 231 /* generic structure for setting playback modes */ 232 struct video_play_mode 233 { 234 int mode; 235 int p1; 236 int p2; 237 }; 238 239 /* for loading microcode / fpga programming */ 240 struct video_code 241 { 242 char loadwhat[16]; /* name or tag of file being passed */ 243 int datasize; 244 __u8 *data; 245 }; 246 247 #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 248 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 249 #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 250 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 251 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 252 #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 253 #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 254 #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 255 #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 256 #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 257 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 258 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 259 #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) */ 260 #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 261 #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 262 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 263 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 264 #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 265 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 266 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 267 #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ 268 #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ 269 #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ 270 #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ 271 #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ 272 #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ 273 #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ 274 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 275 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 276 277 278 #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ 279 280 /* VIDIOCSWRITEMODE */ 281 #define VID_WRITE_MPEG_AUD 0 282 #define VID_WRITE_MPEG_VID 1 283 #define VID_WRITE_OSD 2 284 #define VID_WRITE_TTX 3 285 #define VID_WRITE_CC 4 286 #define VID_WRITE_MJPEG 5 287 288 /* VIDIOCSPLAYMODE */ 289 #define VID_PLAY_VID_OUT_MODE 0 290 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ 291 #define VID_PLAY_GENLOCK 1 292 /* p1: 0 = OFF, 1 = ON */ 293 /* p2: GENLOCK FINE DELAY value */ 294 #define VID_PLAY_NORMAL 2 295 #define VID_PLAY_PAUSE 3 296 #define VID_PLAY_SINGLE_FRAME 4 297 #define VID_PLAY_FAST_FORWARD 5 298 #define VID_PLAY_SLOW_MOTION 6 299 #define VID_PLAY_IMMEDIATE_NORMAL 7 300 #define VID_PLAY_SWITCH_CHANNELS 8 301 #define VID_PLAY_FREEZE_FRAME 9 302 #define VID_PLAY_STILL_MODE 10 303 #define VID_PLAY_MASTER_MODE 11 304 /* p1: see below */ 305 #define VID_PLAY_MASTER_NONE 1 306 #define VID_PLAY_MASTER_VIDEO 2 307 #define VID_PLAY_MASTER_AUDIO 3 308 #define VID_PLAY_ACTIVE_SCANLINES 12 309 /* p1 = first active; p2 = last active */ 310 #define VID_PLAY_RESET 13 311 #define VID_PLAY_END_MARK 14 312 313 314 #endif /* __LINUX_VIDEODEV_H */ 315 316 /* 317 * Local variables: 318 * c-basic-offset: 8 319 * End: 320 */ 321
