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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#if defined(__MIN_V4L1) && defined (__KERNEL__) 20 21/* 22 * Used by those V4L2 core functions that need a minimum V4L1 support, 23 * in order to allow V4L1 Compatibilty code compilation. 24 */ 25 26struct video_mbuf 27{ 28 int size; /* Total memory to map */ 29 int frames; /* Frames */ 30 int offsets[VIDEO_MAX_FRAME]; 31}; 32 33#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 34 35#else 36#if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__) 37 38#define VID_TYPE_CAPTURE 1 /* Can capture */ 39#define VID_TYPE_TUNER 2 /* Can tune */ 40#define VID_TYPE_TELETEXT 4 /* Does teletext */ 41#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 42#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 43#define VID_TYPE_CLIPPING 32 /* Can clip */ 44#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 45#define VID_TYPE_SCALES 128 /* Scalable */ 46#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 47#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 48#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 49#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 50#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 51#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 52 53struct video_capability 54{ 55 char name[32]; 56 int type; 57 int channels; /* Num channels */ 58 int audios; /* Num audio devices */ 59 int maxwidth; /* Supported width */ 60 int maxheight; /* And height */ 61 int minwidth; /* Supported width */ 62 int minheight; /* And height */ 63}; 64 65 66struct video_channel 67{ 68 int channel; 69 char name[32]; 70 int tuners; 71 __u32 flags; 72#define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 73#define VIDEO_VC_AUDIO 2 /* Channel has audio */ 74 __u16 type; 75#define VIDEO_TYPE_TV 1 76#define VIDEO_TYPE_CAMERA 2 77 __u16 norm; /* Norm set by channel */ 78}; 79 80struct video_tuner 81{ 82 int tuner; 83 char name[32]; 84 unsigned long rangelow, rangehigh; /* Tuner range */ 85 __u32 flags; 86#define VIDEO_TUNER_PAL 1 87#define VIDEO_TUNER_NTSC 2 88#define VIDEO_TUNER_SECAM 4 89#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 90#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 91#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 92#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 93#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 94 __u16 mode; /* PAL/NTSC/SECAM/OTHER */ 95#define VIDEO_MODE_PAL 0 96#define VIDEO_MODE_NTSC 1 97#define VIDEO_MODE_SECAM 2 98#define VIDEO_MODE_AUTO 3 99 __u16 signal; /* Signal strength 16bit scale */ 100}; 101 102struct video_picture 103{ 104 __u16 brightness; 105 __u16 hue; 106 __u16 colour; 107 __u16 contrast; 108 __u16 whiteness; /* Black and white only */ 109 __u16 depth; /* Capture depth */ 110 __u16 palette; /* Palette in use */ 111#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 112#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 113#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 114#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 115#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 116#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 117#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 118#define VIDEO_PALETTE_YUYV 8 119#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 120#define VIDEO_PALETTE_YUV420 10 121#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 122#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 123#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 124#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 125#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 126#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 127#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 128#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 129}; 130 131struct video_audio 132{ 133 int audio; /* Audio channel */ 134 __u16 volume; /* If settable */ 135 __u16 bass, treble; 136 __u32 flags; 137#define VIDEO_AUDIO_MUTE 1 138#define VIDEO_AUDIO_MUTABLE 2 139#define VIDEO_AUDIO_VOLUME 4 140#define VIDEO_AUDIO_BASS 8 141#define VIDEO_AUDIO_TREBLE 16 142#define VIDEO_AUDIO_BALANCE 32 143 char name[16]; 144#define VIDEO_SOUND_MONO 1 145#define VIDEO_SOUND_STEREO 2 146#define VIDEO_SOUND_LANG1 4 147#define VIDEO_SOUND_LANG2 8 148 __u16 mode; 149 __u16 balance; /* Stereo balance */ 150 __u16 step; /* Step actual volume uses */ 151}; 152 153struct video_clip 154{ 155 __s32 x,y; 156 __s32 width, height; 157 struct video_clip *next; /* For user use/driver use only */ 158}; 159 160struct video_window 161{ 162 __u32 x,y; /* Position of window */ 163 __u32 width,height; /* Its size */ 164 __u32 chromakey; 165 __u32 flags; 166 struct video_clip __user *clips; /* Set only */ 167 int clipcount; 168#define VIDEO_WINDOW_INTERLACE 1 169#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 170#define VIDEO_CLIP_BITMAP -1 171/* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 172#define VIDEO_CLIPMAP_SIZE (128 * 625) 173}; 174 175struct video_capture 176{ 177 __u32 x,y; /* Offsets into image */ 178 __u32 width, height; /* Area to capture */ 179 __u16 decimation; /* Decimation divider */ 180 __u16 flags; /* Flags for capture */ 181#define VIDEO_CAPTURE_ODD 0 /* Temporal */ 182#define VIDEO_CAPTURE_EVEN 1 183}; 184 185struct video_buffer 186{ 187 void *base; 188 int height,width; 189 int depth; 190 int bytesperline; 191}; 192 193struct video_mmap 194{ 195 unsigned int frame; /* Frame (0 - n) for double buffer */ 196 int height,width; 197 unsigned int format; /* should be VIDEO_PALETTE_* */ 198}; 199 200struct video_key 201{ 202 __u8 key[8]; 203 __u32 flags; 204}; 205 206struct video_mbuf 207{ 208 int size; /* Total memory to map */ 209 int frames; /* Frames */ 210 int offsets[VIDEO_MAX_FRAME]; 211}; 212 213#define VIDEO_NO_UNIT (-1) 214 215struct video_unit 216{ 217 int video; /* Video minor */ 218 int vbi; /* VBI minor */ 219 int radio; /* Radio minor */ 220 int audio; /* Audio minor */ 221 int teletext; /* Teletext minor */ 222}; 223 224struct vbi_format { 225 __u32 sampling_rate; /* in Hz */ 226 __u32 samples_per_line; 227 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 228 __s32 start[2]; /* starting line for each frame */ 229 __u32 count[2]; /* count of lines for each frame */ 230 __u32 flags; 231#define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 232#define VBI_INTERLACED 2 /* lines are interlaced */ 233}; 234 235/* video_info is biased towards hardware mpeg encode/decode */ 236/* but it could apply generically to any hardware compressor/decompressor */ 237struct video_info 238{ 239 __u32 frame_count; /* frames output since decode/encode began */ 240 __u32 h_size; /* current unscaled horizontal size */ 241 __u32 v_size; /* current unscaled veritcal size */ 242 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ 243 __u32 picture_type; /* current picture type */ 244 __u32 temporal_reference; /* current temporal reference */ 245 __u8 user_data[256]; /* user data last found in compressed stream */ 246 /* user_data[0] contains user data flags, user_data[1] has count */ 247}; 248 249/* generic structure for setting playback modes */ 250struct video_play_mode 251{ 252 int mode; 253 int p1; 254 int p2; 255}; 256 257/* for loading microcode / fpga programming */ 258struct video_code 259{ 260 char loadwhat[16]; /* name or tag of file being passed */ 261 int datasize; 262 __u8 *data; 263}; 264 265#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 266#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 267#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 268#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 269#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 270#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 271#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 272#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 273#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 274#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 275#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 276#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 277#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) */ 278#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 279#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 280#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 281#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 282#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 283#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 284#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 285#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ 286#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ 287#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ 288#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ 289#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ 290#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ 291#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ 292#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 293#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 294 295 296#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ 297 298/* VIDIOCSWRITEMODE */ 299#define VID_WRITE_MPEG_AUD 0 300#define VID_WRITE_MPEG_VID 1 301#define VID_WRITE_OSD 2 302#define VID_WRITE_TTX 3 303#define VID_WRITE_CC 4 304#define VID_WRITE_MJPEG 5 305 306/* VIDIOCSPLAYMODE */ 307#define VID_PLAY_VID_OUT_MODE 0 308 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ 309#define VID_PLAY_GENLOCK 1 310 /* p1: 0 = OFF, 1 = ON */ 311 /* p2: GENLOCK FINE DELAY value */ 312#define VID_PLAY_NORMAL 2 313#define VID_PLAY_PAUSE 3 314#define VID_PLAY_SINGLE_FRAME 4 315#define VID_PLAY_FAST_FORWARD 5 316#define VID_PLAY_SLOW_MOTION 6 317#define VID_PLAY_IMMEDIATE_NORMAL 7 318#define VID_PLAY_SWITCH_CHANNELS 8 319#define VID_PLAY_FREEZE_FRAME 9 320#define VID_PLAY_STILL_MODE 10 321#define VID_PLAY_MASTER_MODE 11 322 /* p1: see below */ 323#define VID_PLAY_MASTER_NONE 1 324#define VID_PLAY_MASTER_VIDEO 2 325#define VID_PLAY_MASTER_AUDIO 3 326#define VID_PLAY_ACTIVE_SCANLINES 12 327 /* p1 = first active; p2 = last active */ 328#define VID_PLAY_RESET 13 329#define VID_PLAY_END_MARK 14 330 331#endif /* CONFIG_VIDEO_V4L1_COMPAT */ 332#endif /* __MIN_V4L1 */ 333 334#endif /* __LINUX_VIDEODEV_H */ 335 336/* 337 * Local variables: 338 * c-basic-offset: 8 339 * End: 340 */