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videodev.h

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00001 #ifndef __LINUX_VIDEODEV_H 00002 #define __LINUX_VIDEODEV_H 00003 00004 /* Modified version for inclusion in CamStream */ 00005 00006 #include <linux/types.h> 00007 #include <linux/version.h> 00008 00009 #define VID_TYPE_CAPTURE 1 /* Can capture */ 00010 #define VID_TYPE_TUNER 2 /* Can tune */ 00011 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 00012 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 00013 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 00014 #define VID_TYPE_CLIPPING 32 /* Can clip */ 00015 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 00016 #define VID_TYPE_SCALES 128 /* Scalable */ 00017 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 00018 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 00019 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 00020 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 00021 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 00022 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 00023 00024 struct video_capability 00025 { 00026 char name[32]; 00027 int type; 00028 int channels; /* Num channels */ 00029 int audios; /* Num audio devices */ 00030 int maxwidth; /* Supported width */ 00031 int maxheight; /* And height */ 00032 int minwidth; /* Supported width */ 00033 int minheight; /* And height */ 00034 }; 00035 00036 00037 struct video_channel 00038 { 00039 int channel; 00040 char name[32]; 00041 int tuners; 00042 __u32 flags; 00043 #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 00044 #define VIDEO_VC_AUDIO 2 /* Channel has audio */ 00045 __u16 type; 00046 #define VIDEO_TYPE_TV 1 00047 #define VIDEO_TYPE_CAMERA 2 00048 __u16 norm; /* Norm set by channel */ 00049 }; 00050 00051 struct video_tuner 00052 { 00053 int tuner; 00054 char name[32]; 00055 unsigned long rangelow, rangehigh; /* Tuner range */ 00056 __u32 flags; 00057 #define VIDEO_TUNER_PAL 1 00058 #define VIDEO_TUNER_NTSC 2 00059 #define VIDEO_TUNER_SECAM 4 00060 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 00061 #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 00062 #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 00063 #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 00064 #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 00065 __u16 mode; /* PAL/NTSC/SECAM/OTHER */ 00066 #define VIDEO_MODE_PAL 0 00067 #define VIDEO_MODE_NTSC 1 00068 #define VIDEO_MODE_SECAM 2 00069 #define VIDEO_MODE_AUTO 3 00070 __u16 signal; /* Signal strength 16bit scale */ 00071 }; 00072 00073 struct video_picture 00074 { 00075 __u16 brightness; 00076 __u16 hue; 00077 __u16 colour; 00078 __u16 contrast; 00079 __u16 whiteness; /* Black and white only */ 00080 __u16 depth; /* Capture depth */ 00081 __u16 palette; /* Palette in use */ 00082 #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 00083 #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 00084 #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 00085 #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 00086 #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 00087 #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 00088 #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 00089 #define VIDEO_PALETTE_YUYV 8 00090 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 00091 #define VIDEO_PALETTE_YUV420 10 00092 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 00093 #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 00094 #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 00095 #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 00096 #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 00097 #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 00098 #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 00099 #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 00100 }; 00101 00102 struct video_audio 00103 { 00104 int audio; /* Audio channel */ 00105 __u16 volume; /* If settable */ 00106 __u16 bass, treble; 00107 __u32 flags; 00108 #define VIDEO_AUDIO_MUTE 1 00109 #define VIDEO_AUDIO_MUTABLE 2 00110 #define VIDEO_AUDIO_VOLUME 4 00111 #define VIDEO_AUDIO_BASS 8 00112 #define VIDEO_AUDIO_TREBLE 16 00113 #define VIDEO_AUDIO_BALANCE 32 00114 char name[16]; 00115 #define VIDEO_SOUND_MONO 1 00116 #define VIDEO_SOUND_STEREO 2 00117 #define VIDEO_SOUND_LANG1 4 00118 #define VIDEO_SOUND_LANG2 8 00119 __u16 mode; 00120 __u16 balance; /* Stereo balance */ 00121 __u16 step; /* Step actual volume uses */ 00122 }; 00123 00124 struct video_clip 00125 { 00126 __s32 x,y; 00127 __s32 width, height; 00128 struct video_clip *next; /* For user use/driver use only */ 00129 }; 00130 00131 struct video_window 00132 { 00133 __u32 x,y; /* Position of window */ 00134 __u32 width,height; /* Its size */ 00135 __u32 chromakey; 00136 __u32 flags; 00137 struct video_clip *clips; /* Set only */ 00138 int clipcount; 00139 #define VIDEO_WINDOW_INTERLACE 1 00140 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 00141 #define VIDEO_CLIP_BITMAP -1 00142 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 00143 #define VIDEO_CLIPMAP_SIZE (128 * 625) 00144 }; 00145 00146 struct video_capture 00147 { 00148 __u32 x,y; /* Offsets into image */ 00149 __u32 width, height; /* Area to capture */ 00150 __u16 decimation; /* Decimation divider */ 00151 __u16 flags; /* Flags for capture */ 00152 #define VIDEO_CAPTURE_ODD 0 /* Temporal */ 00153 #define VIDEO_CAPTURE_EVEN 1 00154 }; 00155 00156 struct video_buffer 00157 { 00158 void *base; 00159 int height,width; 00160 int depth; 00161 int bytesperline; 00162 }; 00163 00164 struct video_mmap 00165 { 00166 unsigned int frame; /* Frame (0 - n) for double buffer */ 00167 int height,width; 00168 unsigned int format; /* should be VIDEO_PALETTE_* */ 00169 }; 00170 00171 struct video_key 00172 { 00173 __u8 key[8]; 00174 __u32 flags; 00175 }; 00176 00177 00178 #define VIDEO_MAX_FRAME 32 00179 00180 struct video_mbuf 00181 { 00182 int size; /* Total memory to map */ 00183 int frames; /* Frames */ 00184 int offsets[VIDEO_MAX_FRAME]; 00185 }; 00186 00187 00188 #define VIDEO_NO_UNIT (-1) 00189 00190 00191 struct video_unit 00192 { 00193 int video; /* Video minor */ 00194 int vbi; /* VBI minor */ 00195 int radio; /* Radio minor */ 00196 int audio; /* Audio minor */ 00197 int teletext; /* Teletext minor */ 00198 }; 00199 00200 struct vbi_format { 00201 __u32 sampling_rate; /* in Hz */ 00202 __u32 samples_per_line; 00203 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 00204 __s32 start[2]; /* starting line for each frame */ 00205 __u32 count[2]; /* count of lines for each frame */ 00206 __u32 flags; 00207 #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 00208 #define VBI_INTERLACED 2 /* lines are interlaced */ 00209 }; 00210 00211 /* video_info is biased towards hardware mpeg encode/decode */ 00212 /* but it could apply generically to any hardware compressor/decompressor */ 00213 struct video_info 00214 { 00215 __u32 frame_count; /* frames output since decode/encode began */ 00216 __u32 h_size; /* current unscaled horizontal size */ 00217 __u32 v_size; /* current unscaled veritcal size */ 00218 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ 00219 __u32 picture_type; /* current picture type */ 00220 __u32 temporal_reference; /* current temporal reference */ 00221 __u8 user_data[256]; /* user data last found in compressed stream */ 00222 /* user_data[0] contains user data flags, user_data[1] has count */ 00223 }; 00224 00225 /* generic structure for setting playback modes */ 00226 struct video_play_mode 00227 { 00228 int mode; 00229 int p1; 00230 int p2; 00231 }; 00232 00233 /* for loading microcode / fpga programming */ 00234 struct video_code 00235 { 00236 char loadwhat[16]; /* name or tag of file being passed */ 00237 int datasize; 00238 __u8 *data; 00239 }; 00240 00241 #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 00242 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 00243 #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 00244 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 00245 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 00246 #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 00247 #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 00248 #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 00249 #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 00250 #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 00251 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 00252 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 00253 #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) */ 00254 #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 00255 #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 00256 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 00257 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 00258 #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 00259 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 00260 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 00261 #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ 00262 #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ 00263 #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ 00264 #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ 00265 #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ 00266 #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ 00267 #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ 00268 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 00269 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 00270 00271 00272 #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ 00273 00274 /* VIDIOCSWRITEMODE */ 00275 #define VID_WRITE_MPEG_AUD 0 00276 #define VID_WRITE_MPEG_VID 1 00277 #define VID_WRITE_OSD 2 00278 #define VID_WRITE_TTX 3 00279 #define VID_WRITE_CC 4 00280 #define VID_WRITE_MJPEG 5 00281 00282 /* VIDIOCSPLAYMODE */ 00283 #define VID_PLAY_VID_OUT_MODE 0 00284 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ 00285 #define VID_PLAY_GENLOCK 1 00286 /* p1: 0 = OFF, 1 = ON */ 00287 /* p2: GENLOCK FINE DELAY value */ 00288 #define VID_PLAY_NORMAL 2 00289 #define VID_PLAY_PAUSE 3 00290 #define VID_PLAY_SINGLE_FRAME 4 00291 #define VID_PLAY_FAST_FORWARD 5 00292 #define VID_PLAY_SLOW_MOTION 6 00293 #define VID_PLAY_IMMEDIATE_NORMAL 7 00294 #define VID_PLAY_SWITCH_CHANNELS 8 00295 #define VID_PLAY_FREEZE_FRAME 9 00296 #define VID_PLAY_STILL_MODE 10 00297 #define VID_PLAY_MASTER_MODE 11 00298 /* p1: see below */ 00299 #define VID_PLAY_MASTER_NONE 1 00300 #define VID_PLAY_MASTER_VIDEO 2 00301 #define VID_PLAY_MASTER_AUDIO 3 00302 #define VID_PLAY_ACTIVE_SCANLINES 12 00303 /* p1 = first active; p2 = last active */ 00304 #define VID_PLAY_RESET 13 00305 #define VID_PLAY_END_MARK 14 00306 00307 00308 00309 #define VID_HARDWARE_BT848 1 00310 #define VID_HARDWARE_QCAM_BW 2 00311 #define VID_HARDWARE_PMS 3 00312 #define VID_HARDWARE_QCAM_C 4 00313 #define VID_HARDWARE_PSEUDO 5 00314 #define VID_HARDWARE_SAA5249 6 00315 #define VID_HARDWARE_AZTECH 7 00316 #define VID_HARDWARE_SF16MI 8 00317 #define VID_HARDWARE_RTRACK 9 00318 #define VID_HARDWARE_ZOLTRIX 10 00319 #define VID_HARDWARE_SAA7146 11 00320 #define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */ 00321 #define VID_HARDWARE_RTRACK2 13 00322 #define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */ 00323 #define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */ 00324 #define VID_HARDWARE_PLANB 16 /* PowerMac motherboard video-in */ 00325 #define VID_HARDWARE_BROADWAY 17 /* Broadway project */ 00326 #define VID_HARDWARE_GEMTEK 18 00327 #define VID_HARDWARE_TYPHOON 19 00328 #define VID_HARDWARE_VINO 20 /* SGI Indy Vino */ 00329 #define VID_HARDWARE_CADET 21 /* Cadet radio */ 00330 #define VID_HARDWARE_TRUST 22 /* Trust FM Radio */ 00331 #define VID_HARDWARE_TERRATEC 23 /* TerraTec ActiveRadio */ 00332 #define VID_HARDWARE_CPIA 24 00333 #define VID_HARDWARE_ZR36120 25 /* Zoran ZR36120/ZR36125 */ 00334 #define VID_HARDWARE_ZR36067 26 /* Zoran ZR36067/36060 */ 00335 #define VID_HARDWARE_OV511 27 00336 #define VID_HARDWARE_ZR356700 28 /* Zoran 36700 series */ 00337 #define VID_HARDWARE_W9966 29 00338 #define VID_HARDWARE_SE401 30 /* SE401 USB webcams */ 00339 #define VID_HARDWARE_PWC 31 /* Philips webcams */ 00340 #define VID_HARDWARE_MEYE 32 /* Sony Vaio MotionEye cameras */ 00341 #define VID_HARDWARE_CPIA2 33 00342 #define VID_HARDWARE_VICAM 34 00343 #define VID_HARDWARE_SF16FMR2 35 00344 #endif /* __LINUX_VIDEODEV_H */ 00345 00346 /* 00347 * Local variables: 00348 * c-basic-offset: 8 00349 * End: 00350 */

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