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/videodev2.h> 16 17#if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__) 18 19struct video_capability 20{ 21 char name[32]; 22 int type; 23 int channels; /* Num channels */ 24 int audios; /* Num audio devices */ 25 int maxwidth; /* Supported width */ 26 int maxheight; /* And height */ 27 int minwidth; /* Supported width */ 28 int minheight; /* And height */ 29}; 30 31 32struct video_channel 33{ 34 int channel; 35 char name[32]; 36 int tuners; 37 __u32 flags; 38#define VIDEO_VC_TUNER 1 /* Channel has a tuner */ 39#define VIDEO_VC_AUDIO 2 /* Channel has audio */ 40 __u16 type; 41#define VIDEO_TYPE_TV 1 42#define VIDEO_TYPE_CAMERA 2 43 __u16 norm; /* Norm set by channel */ 44}; 45 46struct video_tuner 47{ 48 int tuner; 49 char name[32]; 50 unsigned long rangelow, rangehigh; /* Tuner range */ 51 __u32 flags; 52#define VIDEO_TUNER_PAL 1 53#define VIDEO_TUNER_NTSC 2 54#define VIDEO_TUNER_SECAM 4 55#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ 56#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ 57#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ 58#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ 59#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ 60 __u16 mode; /* PAL/NTSC/SECAM/OTHER */ 61#define VIDEO_MODE_PAL 0 62#define VIDEO_MODE_NTSC 1 63#define VIDEO_MODE_SECAM 2 64#define VIDEO_MODE_AUTO 3 65 __u16 signal; /* Signal strength 16bit scale */ 66}; 67 68struct video_picture 69{ 70 __u16 brightness; 71 __u16 hue; 72 __u16 colour; 73 __u16 contrast; 74 __u16 whiteness; /* Black and white only */ 75 __u16 depth; /* Capture depth */ 76 __u16 palette; /* Palette in use */ 77#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ 78#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ 79#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ 80#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ 81#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ 82#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ 83#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ 84#define VIDEO_PALETTE_YUYV 8 85#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ 86#define VIDEO_PALETTE_YUV420 10 87#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ 88#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ 89#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ 90#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ 91#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ 92#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ 93#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ 94#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ 95}; 96 97struct video_audio 98{ 99 int audio; /* Audio channel */ 100 __u16 volume; /* If settable */ 101 __u16 bass, treble; 102 __u32 flags; 103#define VIDEO_AUDIO_MUTE 1 104#define VIDEO_AUDIO_MUTABLE 2 105#define VIDEO_AUDIO_VOLUME 4 106#define VIDEO_AUDIO_BASS 8 107#define VIDEO_AUDIO_TREBLE 16 108#define VIDEO_AUDIO_BALANCE 32 109 char name[16]; 110#define VIDEO_SOUND_MONO 1 111#define VIDEO_SOUND_STEREO 2 112#define VIDEO_SOUND_LANG1 4 113#define VIDEO_SOUND_LANG2 8 114 __u16 mode; 115 __u16 balance; /* Stereo balance */ 116 __u16 step; /* Step actual volume uses */ 117}; 118 119struct video_clip 120{ 121 __s32 x,y; 122 __s32 width, height; 123 struct video_clip *next; /* For user use/driver use only */ 124}; 125 126struct video_window 127{ 128 __u32 x,y; /* Position of window */ 129 __u32 width,height; /* Its size */ 130 __u32 chromakey; 131 __u32 flags; 132 struct video_clip *clips; /* Set only */ 133 int clipcount; 134#define VIDEO_WINDOW_INTERLACE 1 135#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ 136#define VIDEO_CLIP_BITMAP -1 137/* bitmap is 1024x625, a '1' bit represents a clipped pixel */ 138#define VIDEO_CLIPMAP_SIZE (128 * 625) 139}; 140 141struct video_capture 142{ 143 __u32 x,y; /* Offsets into image */ 144 __u32 width, height; /* Area to capture */ 145 __u16 decimation; /* Decimation divider */ 146 __u16 flags; /* Flags for capture */ 147#define VIDEO_CAPTURE_ODD 0 /* Temporal */ 148#define VIDEO_CAPTURE_EVEN 1 149}; 150 151struct video_buffer 152{ 153 void *base; 154 int height,width; 155 int depth; 156 int bytesperline; 157}; 158 159struct video_mmap 160{ 161 unsigned int frame; /* Frame (0 - n) for double buffer */ 162 int height,width; 163 unsigned int format; /* should be VIDEO_PALETTE_* */ 164}; 165 166struct video_key 167{ 168 __u8 key[8]; 169 __u32 flags; 170}; 171 172struct video_mbuf 173{ 174 int size; /* Total memory to map */ 175 int frames; /* Frames */ 176 int offsets[VIDEO_MAX_FRAME]; 177}; 178 179#define VIDEO_NO_UNIT (-1) 180 181struct video_unit 182{ 183 int video; /* Video minor */ 184 int vbi; /* VBI minor */ 185 int radio; /* Radio minor */ 186 int audio; /* Audio minor */ 187 int teletext; /* Teletext minor */ 188}; 189 190struct vbi_format { 191 __u32 sampling_rate; /* in Hz */ 192 __u32 samples_per_line; 193 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ 194 __s32 start[2]; /* starting line for each frame */ 195 __u32 count[2]; /* count of lines for each frame */ 196 __u32 flags; 197#define VBI_UNSYNC 1 /* can distingues between top/bottom field */ 198#define VBI_INTERLACED 2 /* lines are interlaced */ 199}; 200 201/* video_info is biased towards hardware mpeg encode/decode */ 202/* but it could apply generically to any hardware compressor/decompressor */ 203struct video_info 204{ 205 __u32 frame_count; /* frames output since decode/encode began */ 206 __u32 h_size; /* current unscaled horizontal size */ 207 __u32 v_size; /* current unscaled veritcal size */ 208 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ 209 __u32 picture_type; /* current picture type */ 210 __u32 temporal_reference; /* current temporal reference */ 211 __u8 user_data[256]; /* user data last found in compressed stream */ 212 /* user_data[0] contains user data flags, user_data[1] has count */ 213}; 214 215/* generic structure for setting playback modes */ 216struct video_play_mode 217{ 218 int mode; 219 int p1; 220 int p2; 221}; 222 223/* for loading microcode / fpga programming */ 224struct video_code 225{ 226 char loadwhat[16]; /* name or tag of file being passed */ 227 int datasize; 228 __u8 *data; 229}; 230 231#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ 232#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ 233#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ 234#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ 235#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ 236#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ 237#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ 238#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ 239#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ 240#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ 241#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ 242#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ 243#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) */ 244#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ 245#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ 246#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ 247#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ 248#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ 249#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ 250#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ 251#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ 252#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ 253#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ 254#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ 255#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ 256#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ 257#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ 258#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ 259#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ 260 261 262#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ 263 264/* VIDIOCSWRITEMODE */ 265#define VID_WRITE_MPEG_AUD 0 266#define VID_WRITE_MPEG_VID 1 267#define VID_WRITE_OSD 2 268#define VID_WRITE_TTX 3 269#define VID_WRITE_CC 4 270#define VID_WRITE_MJPEG 5 271 272/* VIDIOCSPLAYMODE */ 273#define VID_PLAY_VID_OUT_MODE 0 274 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ 275#define VID_PLAY_GENLOCK 1 276 /* p1: 0 = OFF, 1 = ON */ 277 /* p2: GENLOCK FINE DELAY value */ 278#define VID_PLAY_NORMAL 2 279#define VID_PLAY_PAUSE 3 280#define VID_PLAY_SINGLE_FRAME 4 281#define VID_PLAY_FAST_FORWARD 5 282#define VID_PLAY_SLOW_MOTION 6 283#define VID_PLAY_IMMEDIATE_NORMAL 7 284#define VID_PLAY_SWITCH_CHANNELS 8 285#define VID_PLAY_FREEZE_FRAME 9 286#define VID_PLAY_STILL_MODE 10 287#define VID_PLAY_MASTER_MODE 11 288 /* p1: see below */ 289#define VID_PLAY_MASTER_NONE 1 290#define VID_PLAY_MASTER_VIDEO 2 291#define VID_PLAY_MASTER_AUDIO 3 292#define VID_PLAY_ACTIVE_SCANLINES 12 293 /* p1 = first active; p2 = last active */ 294#define VID_PLAY_RESET 13 295#define VID_PLAY_END_MARK 14 296 297#endif /* CONFIG_VIDEO_V4L1_COMPAT */ 298 299#endif /* __LINUX_VIDEODEV_H */ 300 301/* 302 * Local variables: 303 * c-basic-offset: 8 304 * End: 305 */ 306