include/linux/videodev.h

   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 __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
 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  */