2 * Video for Linux version 1 - OBSOLETE
4 * Header file for v4l1 drivers and applications, for
5 * Linux kernels 2.2.x or 2.4.x.
7 * Provides header for legacy drivers and applications
9 * See http://linuxtv.org for more info
12 #ifndef __LINUX_VIDEODEV_H
13 #define __LINUX_VIDEODEV_H
15 #include <linux/types.h>
16 #include <linux/ioctl.h>
17 #include <linux/videodev2.h>
19 #if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__)
21 #define VID_TYPE_CAPTURE 1 /* Can capture */
22 #define VID_TYPE_TUNER 2 /* Can tune */
23 #define VID_TYPE_TELETEXT 4 /* Does teletext */
24 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
25 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
26 #define VID_TYPE_CLIPPING 32 /* Can clip */
27 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
28 #define VID_TYPE_SCALES 128 /* Scalable */
29 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */
30 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
31 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
32 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
33 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
34 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
36 struct video_capability
40 int channels; /* Num channels */
41 int audios; /* Num audio devices */
42 int maxwidth; /* Supported width */
43 int maxheight; /* And height */
44 int minwidth; /* Supported width */
45 int minheight; /* And height */
55 #define VIDEO_VC_TUNER 1 /* Channel has a tuner */
56 #define VIDEO_VC_AUDIO 2 /* Channel has audio */
58 #define VIDEO_TYPE_TV 1
59 #define VIDEO_TYPE_CAMERA 2
60 __u16 norm; /* Norm set by channel */
67 unsigned long rangelow, rangehigh; /* Tuner range */
69 #define VIDEO_TUNER_PAL 1
70 #define VIDEO_TUNER_NTSC 2
71 #define VIDEO_TUNER_SECAM 4
72 #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */
73 #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */
74 #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */
75 #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */
76 #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */
77 __u16 mode; /* PAL/NTSC/SECAM/OTHER */
78 #define VIDEO_MODE_PAL 0
79 #define VIDEO_MODE_NTSC 1
80 #define VIDEO_MODE_SECAM 2
81 #define VIDEO_MODE_AUTO 3
82 __u16 signal; /* Signal strength 16bit scale */
91 __u16 whiteness; /* Black and white only */
92 __u16 depth; /* Capture depth */
93 __u16 palette; /* Palette in use */
94 #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */
95 #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */
96 #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */
97 #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */
98 #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */
99 #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */
100 #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */
101 #define VIDEO_PALETTE_YUYV 8
102 #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */
103 #define VIDEO_PALETTE_YUV420 10
104 #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */
105 #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */
106 #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */
107 #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */
108 #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */
109 #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */
110 #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */
111 #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */
116 int audio; /* Audio channel */
117 __u16 volume; /* If settable */
120 #define VIDEO_AUDIO_MUTE 1
121 #define VIDEO_AUDIO_MUTABLE 2
122 #define VIDEO_AUDIO_VOLUME 4
123 #define VIDEO_AUDIO_BASS 8
124 #define VIDEO_AUDIO_TREBLE 16
125 #define VIDEO_AUDIO_BALANCE 32
127 #define VIDEO_SOUND_MONO 1
128 #define VIDEO_SOUND_STEREO 2
129 #define VIDEO_SOUND_LANG1 4
130 #define VIDEO_SOUND_LANG2 8
132 __u16 balance; /* Stereo balance */
133 __u16 step; /* Step actual volume uses */
140 struct video_clip *next; /* For user use/driver use only */
145 __u32 x,y; /* Position of window */
146 __u32 width,height; /* Its size */
149 struct video_clip __user *clips; /* Set only */
151 #define VIDEO_WINDOW_INTERLACE 1
152 #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */
153 #define VIDEO_CLIP_BITMAP -1
154 /* bitmap is 1024x625, a '1' bit represents a clipped pixel */
155 #define VIDEO_CLIPMAP_SIZE (128 * 625)
160 __u32 x,y; /* Offsets into image */
161 __u32 width, height; /* Area to capture */
162 __u16 decimation; /* Decimation divider */
163 __u16 flags; /* Flags for capture */
164 #define VIDEO_CAPTURE_ODD 0 /* Temporal */
165 #define VIDEO_CAPTURE_EVEN 1
178 unsigned int frame; /* Frame (0 - n) for double buffer */
180 unsigned int format; /* should be VIDEO_PALETTE_* */
191 int size; /* Total memory to map */
192 int frames; /* Frames */
193 int offsets[VIDEO_MAX_FRAME];
196 #define VIDEO_NO_UNIT (-1)
200 int video; /* Video minor */
201 int vbi; /* VBI minor */
202 int radio; /* Radio minor */
203 int audio; /* Audio minor */
204 int teletext; /* Teletext minor */
208 __u32 sampling_rate; /* in Hz */
209 __u32 samples_per_line;
210 __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */
211 __s32 start[2]; /* starting line for each frame */
212 __u32 count[2]; /* count of lines for each frame */
214 #define VBI_UNSYNC 1 /* can distingues between top/bottom field */
215 #define VBI_INTERLACED 2 /* lines are interlaced */
218 /* video_info is biased towards hardware mpeg encode/decode */
219 /* but it could apply generically to any hardware compressor/decompressor */
222 __u32 frame_count; /* frames output since decode/encode began */
223 __u32 h_size; /* current unscaled horizontal size */
224 __u32 v_size; /* current unscaled veritcal size */
225 __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */
226 __u32 picture_type; /* current picture type */
227 __u32 temporal_reference; /* current temporal reference */
228 __u8 user_data[256]; /* user data last found in compressed stream */
229 /* user_data[0] contains user data flags, user_data[1] has count */
232 /* generic structure for setting playback modes */
233 struct video_play_mode
240 /* for loading microcode / fpga programming */
243 char loadwhat[16]; /* name or tag of file being passed */
248 #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */
249 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */
250 #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */
251 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */
252 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */
253 #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */
254 #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */
255 #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */
256 #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */
257 #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
258 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */
259 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */
260 #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) */
261 #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */
262 #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */
263 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */
264 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */
265 #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */
266 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */
267 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */
268 #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */
269 #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */
270 #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */
271 #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */
272 #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */
273 #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */
274 #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */
275 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */
276 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */
279 #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
281 /* VIDIOCSWRITEMODE */
282 #define VID_WRITE_MPEG_AUD 0
283 #define VID_WRITE_MPEG_VID 1
284 #define VID_WRITE_OSD 2
285 #define VID_WRITE_TTX 3
286 #define VID_WRITE_CC 4
287 #define VID_WRITE_MJPEG 5
289 /* VIDIOCSPLAYMODE */
290 #define VID_PLAY_VID_OUT_MODE 0
291 /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */
292 #define VID_PLAY_GENLOCK 1
293 /* p1: 0 = OFF, 1 = ON */
294 /* p2: GENLOCK FINE DELAY value */
295 #define VID_PLAY_NORMAL 2
296 #define VID_PLAY_PAUSE 3
297 #define VID_PLAY_SINGLE_FRAME 4
298 #define VID_PLAY_FAST_FORWARD 5
299 #define VID_PLAY_SLOW_MOTION 6
300 #define VID_PLAY_IMMEDIATE_NORMAL 7
301 #define VID_PLAY_SWITCH_CHANNELS 8
302 #define VID_PLAY_FREEZE_FRAME 9
303 #define VID_PLAY_STILL_MODE 10
304 #define VID_PLAY_MASTER_MODE 11
306 #define VID_PLAY_MASTER_NONE 1
307 #define VID_PLAY_MASTER_VIDEO 2
308 #define VID_PLAY_MASTER_AUDIO 3
309 #define VID_PLAY_ACTIVE_SCANLINES 12
310 /* p1 = first active; p2 = last active */
311 #define VID_PLAY_RESET 13
312 #define VID_PLAY_END_MARK 14
314 #endif /* CONFIG_VIDEO_V4L1_COMPAT */
316 #endif /* __LINUX_VIDEODEV_H */