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/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
  26 struct 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
  53 struct 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
  66 struct 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
  80 struct 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
 102 struct 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
 131 struct 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
 153 struct video_clip
 154 {
 155         __s32   x,y;
 156         __s32   width, height;
 157         struct  video_clip *next;       /* For user use/driver use only */
 158 };
 159
 160 struct 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
 175 struct 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
 185 struct video_buffer
 186 {
 187         void    *base;
 188         int     height,width;
 189         int     depth;
 190         int     bytesperline;
 191 };
 192
 193 struct 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
 200 struct video_key
 201 {
 202         __u8    key[8];
 203         __u32   flags;
 204 };
 205
 206 struct 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
 215 struct 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
 224 struct 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 */
 237 struct 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 */
 250 struct video_play_mode
 251 {
 252         int     mode;
 253         int     p1;
 254         int     p2;
 255 };
 256
 257 /* for loading microcode / fpga programming */
 258 struct 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  */