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/ioctl.h> 16 #include <linux/videodev2.h> 17 18 #if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__) 19 20 struct video_capability 21 { 22 char name[32]; 23 int type; 24 int channels; /* Num channels */ 25 int audios; /* Num audio devices */ 26 int maxwidth; /* Supported width */ 27 int maxheight; /* And height */ 28 int minwidth; /* Supported width */ 29 int minheight; /* And height */ 30 }; 31 32 33 struct video_channel 34 { 35 int channel; 36 char name[32]; 37 int tuners; 38 __u32 flags; 39 #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 40 #define VIDEO_VC_AUDIO 2 /* Channel has audio */ 41 __u16 type; 42 #define VIDEO_TYPE_TV 1 43 #define VIDEO_TYPE_CAMERA 2 44 __u16 norm; /* Norm set by channel */ 45 }; 46 47 struct video_tuner 48 { 49 int tuner; 50 char name[32]; 51 unsigned long rangelow, rangehigh; /* Tuner range */ 52 __u32 flags; 53 #define VIDEO_TUNER_PAL 1 54 #define VIDEO_TUNER_NTSC 2 55 #define VIDEO_TUNER_SECAM 4 56 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 57 #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 58 #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 59 #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 60 #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 61 __u16 mode; /* PAL/NTSC/SECAM/OTHER */ 62 #define VIDEO_MODE_PAL 0 63 #define VIDEO_MODE_NTSC 1 64 #define VIDEO_MODE_SECAM 2 65 #define VIDEO_MODE_AUTO 3 66 __u16 signal; /* Signal strength 16bit scale */ 67 }; 68 69 struct video_picture 70 { 71 __u16 brightness; 72 __u16 hue; 73 __u16 colour; 74 __u16 contrast; 75 __u16 whiteness; /* Black and white only */ 76 __u16 depth; /* Capture depth */ 77 __u16 palette; /* Palette in use */ 78 #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 79 #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 80 #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 81 #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 82 #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 83 #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 84 #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 85 #define VIDEO_PALETTE_YUYV 8 86 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 87 #define VIDEO_PALETTE_YUV420 10 88 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 89 #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 90 #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 91 #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 92 #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 93 #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 94 #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 95 #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 96 }; 97 98 struct video_audio 99 { 100 int audio; /* Audio channel */ 101 __u16 volume; /* If settable */ 102 __u16 bass, treble; 103 __u32 flags; 104 #define VIDEO_AUDIO_MUTE 1 105 #define VIDEO_AUDIO_MUTABLE 2 106 #define VIDEO_AUDIO_VOLUME 4 107 #define VIDEO_AUDIO_BASS 8 108 #define VIDEO_AUDIO_TREBLE 16 109 #define VIDEO_AUDIO_BALANCE 32 110 char name[16]; 111 #define VIDEO_SOUND_MONO 1 112 #define VIDEO_SOUND_STEREO 2 113 #define VIDEO_SOUND_LANG1 4 114 #define VIDEO_SOUND_LANG2 8 115 __u16 mode; 116 __u16 balance; /* Stereo balance */ 117 __u16 step; /* Step actual volume uses */ 118 }; 119 120 struct video_clip 121 { 122 __s32 x,y; 123 __s32 width, height; 124 struct video_clip *next; /* For user use/driver use only */ 125 }; 126 127 struct video_window 128 { 129 __u32 x,y; /* Position of window */ 130 __u32 width,height; /* Its size */ 131 __u32 chromakey; 132 __u32 flags; 133 struct video_clip *clips; /* Set only */ 134 int clipcount; 135 #define VIDEO_WINDOW_INTERLACE 1 136 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 137 #define VIDEO_CLIP_BITMAP -1 138 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 139 #define VIDEO_CLIPMAP_SIZE (128 * 625) 140 }; 141 142 struct video_capture 143 { 144 __u32 x,y; /* Offsets into image */ 145 __u32 width, height; /* Area to capture */ 146 __u16 decimation; /* Decimation divider */ 147 __u16 flags; /* Flags for capture */ 148 #define VIDEO_CAPTURE_ODD 0 /* Temporal */ 149 #define VIDEO_CAPTURE_EVEN 1 150 }; 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_key 168 { 169 __u8 key[8]; 170 __u32 flags; 171 }; 172 173 struct video_mbuf 174 { 175 int size; /* Total memory to map */ 176 int frames; /* Frames */ 177 int offsets[VIDEO_MAX_FRAME]; 178 }; 179 180 #define VIDEO_NO_UNIT (-1) 181 182 struct video_unit 183 { 184 int video; /* Video minor */ 185 int vbi; /* VBI minor */ 186 int radio; /* Radio minor */ 187 int audio; /* Audio minor */ 188 int teletext; /* Teletext minor */ 189 }; 190 191 struct vbi_format { 192 __u32 sampling_rate; /* in Hz */ 193 __u32 samples_per_line; 194 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 195 __s32 start[2]; /* starting line for each frame */ 196 __u32 count[2]; /* count of lines for each frame */ 197 __u32 flags; 198 #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 199 #define VBI_INTERLACED 2 /* lines are interlaced */ 200 }; 201 202 /* video_info is biased towards hardware mpeg encode/decode */ 203 /* but it could apply generically to any hardware compressor/decompressor */ 204 struct video_info 205 { 206 __u32 frame_count; /* frames output since decode/encode began */ 207 __u32 h_size; /* current unscaled horizontal size */ 208 __u32 v_size; /* current unscaled veritcal size */ 209 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ 210 __u32 picture_type; /* current picture type */ 211 __u32 temporal_reference; /* current temporal reference */ 212 __u8 user_data[256]; /* user data last found in compressed stream */ 213 /* user_data[0] contains user data flags, user_data[1] has count */ 214 }; 215 216 /* generic structure for setting playback modes */ 217 struct video_play_mode 218 { 219 int mode; 220 int p1; 221 int p2; 222 }; 223 224 /* for loading microcode / fpga programming */ 225 struct video_code 226 { 227 char loadwhat[16]; /* name or tag of file being passed */ 228 int datasize; 229 __u8 *data; 230 }; 231 232 #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 233 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 234 #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 235 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 236 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 237 #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 238 #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 239 #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 240 #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 241 #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 242 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 243 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 244 #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) */ 245 #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 246 #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 247 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 248 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 249 #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 250 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 251 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 252 #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ 253 #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ 254 #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ 255 #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ 256 #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ 257 #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ 258 #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ 259 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 260 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 261 262 263 #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ 264 265 /* VIDIOCSWRITEMODE */ 266 #define VID_WRITE_MPEG_AUD 0 267 #define VID_WRITE_MPEG_VID 1 268 #define VID_WRITE_OSD 2 269 #define VID_WRITE_TTX 3 270 #define VID_WRITE_CC 4 271 #define VID_WRITE_MJPEG 5 272 273 /* VIDIOCSPLAYMODE */ 274 #define VID_PLAY_VID_OUT_MODE 0 275 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ 276 #define VID_PLAY_GENLOCK 1 277 /* p1: 0 = OFF, 1 = ON */ 278 /* p2: GENLOCK FINE DELAY value */ 279 #define VID_PLAY_NORMAL 2 280 #define VID_PLAY_PAUSE 3 281 #define VID_PLAY_SINGLE_FRAME 4 282 #define VID_PLAY_FAST_FORWARD 5 283 #define VID_PLAY_SLOW_MOTION 6 284 #define VID_PLAY_IMMEDIATE_NORMAL 7 285 #define VID_PLAY_SWITCH_CHANNELS 8 286 #define VID_PLAY_FREEZE_FRAME 9 287 #define VID_PLAY_STILL_MODE 10 288 #define VID_PLAY_MASTER_MODE 11 289 /* p1: see below */ 290 #define VID_PLAY_MASTER_NONE 1 291 #define VID_PLAY_MASTER_VIDEO 2 292 #define VID_PLAY_MASTER_AUDIO 3 293 #define VID_PLAY_ACTIVE_SCANLINES 12 294 /* p1 = first active; p2 = last active */ 295 #define VID_PLAY_RESET 13 296 #define VID_PLAY_END_MARK 14 297 298 #endif /* CONFIG_VIDEO_V4L1_COMPAT */ 299 300 #endif /* __LINUX_VIDEODEV_H */ 301 302 /* 303 * Local variables: 304 * c-basic-offset: 8 305 * End: 306 */ 307