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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/ioctl.h> 16#include <linux/videodev2.h> 17 18#if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__) 19 20struct 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 33struct 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 47struct 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 69struct 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 98struct 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 120struct video_clip 121{ 122 __s32 x,y; 123 __s32 width, height; 124 struct video_clip *next; /* For user use/driver use only */ 125}; 126 127struct 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 __user *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 142struct 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 152struct video_buffer 153{ 154 void *base; 155 int height,width; 156 int depth; 157 int bytesperline; 158}; 159 160struct 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 167struct video_key 168{ 169 __u8 key[8]; 170 __u32 flags; 171}; 172 173struct 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 182struct 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 191struct 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 */ 204struct 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 */ 217struct video_play_mode 218{ 219 int mode; 220 int p1; 221 int p2; 222}; 223 224/* for loading microcode / fpga programming */ 225struct 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 */