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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/types.h> | |
16 | #include <linux/ioctl.h> | |
17 | #include <linux/videodev2.h> | |
18 | ||
19 | ||
20 | #define VID_TYPE_CAPTURE 1 /* Can capture */ | |
21 | #define VID_TYPE_TUNER 2 /* Can tune */ | |
22 | #define VID_TYPE_TELETEXT 4 /* Does teletext */ | |
23 | #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ | |
24 | #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ | |
25 | #define VID_TYPE_CLIPPING 32 /* Can clip */ | |
26 | #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ | |
27 | #define VID_TYPE_SCALES 128 /* Scalable */ | |
28 | #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ | |
29 | #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ | |
30 | #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ | |
31 | #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ | |
32 | #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ | |
33 | #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ | |
34 | ||
35 | struct video_capability | |
36 | { | |
37 | char name[32]; | |
38 | int type; | |
39 | int channels; /* Num channels */ | |
40 | int audios; /* Num audio devices */ | |
41 | int maxwidth; /* Supported width */ | |
42 | int maxheight; /* And height */ | |
43 | int minwidth; /* Supported width */ | |
44 | int minheight; /* And height */ | |
45 | }; | |
46 | ||
47 | ||
48 | struct video_channel | |
49 | { | |
50 | int channel; | |
51 | char name[32]; | |
52 | int tuners; | |
53 | __u32 flags; | |
54 | #define VIDEO_VC_TUNER 1 /* Channel has a tuner */ | |
55 | #define VIDEO_VC_AUDIO 2 /* Channel has audio */ | |
56 | __u16 type; | |
57 | #define VIDEO_TYPE_TV 1 | |
58 | #define VIDEO_TYPE_CAMERA 2 | |
59 | __u16 norm; /* Norm set by channel */ | |
60 | }; | |
61 | ||
62 | struct video_tuner | |
63 | { | |
64 | int tuner; | |
65 | char name[32]; | |
66 | unsigned long rangelow, rangehigh; /* Tuner range */ | |
67 | __u32 flags; | |
68 | #define VIDEO_TUNER_PAL 1 | |
69 | #define VIDEO_TUNER_NTSC 2 | |
70 | #define VIDEO_TUNER_SECAM 4 | |
71 | #define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ | |
72 | #define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ | |
73 | #define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ | |
74 | #define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ | |
75 | #define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ | |
76 | __u16 mode; /* PAL/NTSC/SECAM/OTHER */ | |
77 | #define VIDEO_MODE_PAL 0 | |
78 | #define VIDEO_MODE_NTSC 1 | |
79 | #define VIDEO_MODE_SECAM 2 | |
80 | #define VIDEO_MODE_AUTO 3 | |
81 | __u16 signal; /* Signal strength 16bit scale */ | |
82 | }; | |
83 | ||
84 | struct video_picture | |
85 | { | |
86 | __u16 brightness; | |
87 | __u16 hue; | |
88 | __u16 colour; | |
89 | __u16 contrast; | |
90 | __u16 whiteness; /* Black and white only */ | |
91 | __u16 depth; /* Capture depth */ | |
92 | __u16 palette; /* Palette in use */ | |
93 | #define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ | |
94 | #define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ | |
95 | #define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ | |
96 | #define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ | |
97 | #define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ | |
98 | #define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ | |
99 | #define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ | |
100 | #define VIDEO_PALETTE_YUYV 8 | |
101 | #define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ | |
102 | #define VIDEO_PALETTE_YUV420 10 | |
103 | #define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ | |
104 | #define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ | |
105 | #define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ | |
106 | #define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ | |
107 | #define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ | |
108 | #define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ | |
109 | #define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ | |
110 | #define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ | |
111 | }; | |
112 | ||
113 | struct video_audio | |
114 | { | |
115 | int audio; /* Audio channel */ | |
116 | __u16 volume; /* If settable */ | |
117 | __u16 bass, treble; | |
118 | __u32 flags; | |
119 | #define VIDEO_AUDIO_MUTE 1 | |
120 | #define VIDEO_AUDIO_MUTABLE 2 | |
121 | #define VIDEO_AUDIO_VOLUME 4 | |
122 | #define VIDEO_AUDIO_BASS 8 | |
123 | #define VIDEO_AUDIO_TREBLE 16 | |
124 | #define VIDEO_AUDIO_BALANCE 32 | |
125 | char name[16]; | |
126 | #define VIDEO_SOUND_MONO 1 | |
127 | #define VIDEO_SOUND_STEREO 2 | |
128 | #define VIDEO_SOUND_LANG1 4 | |
129 | #define VIDEO_SOUND_LANG2 8 | |
130 | __u16 mode; | |
131 | __u16 balance; /* Stereo balance */ | |
132 | __u16 step; /* Step actual volume uses */ | |
133 | }; | |
134 | ||
135 | struct video_clip | |
136 | { | |
137 | __s32 x,y; | |
138 | __s32 width, height; | |
139 | struct video_clip *next; /* For user use/driver use only */ | |
140 | }; | |
141 | ||
142 | struct video_window | |
143 | { | |
144 | __u32 x,y; /* Position of window */ | |
145 | __u32 width,height; /* Its size */ | |
146 | __u32 chromakey; | |
147 | __u32 flags; | |
148 | struct video_clip *clips; /* Set only */ | |
149 | int clipcount; | |
150 | #define VIDEO_WINDOW_INTERLACE 1 | |
151 | #define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ | |
152 | #define VIDEO_CLIP_BITMAP -1 | |
153 | /* bitmap is 1024x625, a '1' bit represents a clipped pixel */ | |
154 | #define VIDEO_CLIPMAP_SIZE (128 * 625) | |
155 | }; | |
156 | ||
157 | struct video_capture | |
158 | { | |
159 | __u32 x,y; /* Offsets into image */ | |
160 | __u32 width, height; /* Area to capture */ | |
161 | __u16 decimation; /* Decimation divider */ | |
162 | __u16 flags; /* Flags for capture */ | |
163 | #define VIDEO_CAPTURE_ODD 0 /* Temporal */ | |
164 | #define VIDEO_CAPTURE_EVEN 1 | |
165 | }; | |
166 | ||
167 | struct video_buffer | |
168 | { | |
169 | void *base; | |
170 | int height,width; | |
171 | int depth; | |
172 | int bytesperline; | |
173 | }; | |
174 | ||
175 | struct video_mmap | |
176 | { | |
177 | unsigned int frame; /* Frame (0 - n) for double buffer */ | |
178 | int height,width; | |
179 | unsigned int format; /* should be VIDEO_PALETTE_* */ | |
180 | }; | |
181 | ||
182 | struct video_key | |
183 | { | |
184 | __u8 key[8]; | |
185 | __u32 flags; | |
186 | }; | |
187 | ||
188 | struct video_mbuf | |
189 | { | |
190 | int size; /* Total memory to map */ | |
191 | int frames; /* Frames */ | |
192 | int offsets[VIDEO_MAX_FRAME]; | |
193 | }; | |
194 | ||
195 | #define VIDEO_NO_UNIT (-1) | |
196 | ||
197 | struct video_unit | |
198 | { | |
199 | int video; /* Video minor */ | |
200 | int vbi; /* VBI minor */ | |
201 | int radio; /* Radio minor */ | |
202 | int audio; /* Audio minor */ | |
203 | int teletext; /* Teletext minor */ | |
204 | }; | |
205 | ||
206 | struct vbi_format { | |
207 | __u32 sampling_rate; /* in Hz */ | |
208 | __u32 samples_per_line; | |
209 | __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ | |
210 | __s32 start[2]; /* starting line for each frame */ | |
211 | __u32 count[2]; /* count of lines for each frame */ | |
212 | __u32 flags; | |
213 | #define VBI_UNSYNC 1 /* can distingues between top/bottom field */ | |
214 | #define VBI_INTERLACED 2 /* lines are interlaced */ | |
215 | }; | |
216 | ||
217 | /* video_info is biased towards hardware mpeg encode/decode */ | |
218 | /* but it could apply generically to any hardware compressor/decompressor */ | |
219 | struct video_info | |
220 | { | |
221 | __u32 frame_count; /* frames output since decode/encode began */ | |
222 | __u32 h_size; /* current unscaled horizontal size */ | |
223 | __u32 v_size; /* current unscaled veritcal size */ | |
224 | __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ | |
225 | __u32 picture_type; /* current picture type */ | |
226 | __u32 temporal_reference; /* current temporal reference */ | |
227 | __u8 user_data[256]; /* user data last found in compressed stream */ | |
228 | /* user_data[0] contains user data flags, user_data[1] has count */ | |
229 | }; | |
230 | ||
231 | /* generic structure for setting playback modes */ | |
232 | struct video_play_mode | |
233 | { | |
234 | int mode; | |
235 | int p1; | |
236 | int p2; | |
237 | }; | |
238 | ||
239 | /* for loading microcode / fpga programming */ | |
240 | struct video_code | |
241 | { | |
242 | char loadwhat[16]; /* name or tag of file being passed */ | |
243 | int datasize; | |
244 | __u8 *data; | |
245 | }; | |
246 | ||
247 | #define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ | |
248 | #define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ | |
249 | #define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ | |
250 | #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ | |
251 | #define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ | |
252 | #define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ | |
253 | #define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ | |
254 | #define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ | |
255 | #define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ | |
256 | #define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ | |
257 | #define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ | |
258 | #define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ | |
259 | #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) */ | |
260 | #define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ | |
261 | #define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ | |
262 | #define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ | |
263 | #define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ | |
264 | #define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ | |
265 | #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ | |
266 | #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ | |
267 | #define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ | |
268 | #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ | |
269 | #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ | |
270 | #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ | |
271 | #define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ | |
272 | #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ | |
273 | #define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ | |
274 | #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ | |
275 | #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ | |
276 | ||
277 | ||
278 | #define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ | |
279 | ||
280 | /* VIDIOCSWRITEMODE */ | |
281 | #define VID_WRITE_MPEG_AUD 0 | |
282 | #define VID_WRITE_MPEG_VID 1 | |
283 | #define VID_WRITE_OSD 2 | |
284 | #define VID_WRITE_TTX 3 | |
285 | #define VID_WRITE_CC 4 | |
286 | #define VID_WRITE_MJPEG 5 | |
287 | ||
288 | /* VIDIOCSPLAYMODE */ | |
289 | #define VID_PLAY_VID_OUT_MODE 0 | |
290 | /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ | |
291 | #define VID_PLAY_GENLOCK 1 | |
292 | /* p1: 0 = OFF, 1 = ON */ | |
293 | /* p2: GENLOCK FINE DELAY value */ | |
294 | #define VID_PLAY_NORMAL 2 | |
295 | #define VID_PLAY_PAUSE 3 | |
296 | #define VID_PLAY_SINGLE_FRAME 4 | |
297 | #define VID_PLAY_FAST_FORWARD 5 | |
298 | #define VID_PLAY_SLOW_MOTION 6 | |
299 | #define VID_PLAY_IMMEDIATE_NORMAL 7 | |
300 | #define VID_PLAY_SWITCH_CHANNELS 8 | |
301 | #define VID_PLAY_FREEZE_FRAME 9 | |
302 | #define VID_PLAY_STILL_MODE 10 | |
303 | #define VID_PLAY_MASTER_MODE 11 | |
304 | /* p1: see below */ | |
305 | #define VID_PLAY_MASTER_NONE 1 | |
306 | #define VID_PLAY_MASTER_VIDEO 2 | |
307 | #define VID_PLAY_MASTER_AUDIO 3 | |
308 | #define VID_PLAY_ACTIVE_SCANLINES 12 | |
309 | /* p1 = first active; p2 = last active */ | |
310 | #define VID_PLAY_RESET 13 | |
311 | #define VID_PLAY_END_MARK 14 | |
312 | ||
313 | ||
314 | #endif /* __LINUX_VIDEODEV_H */ | |
315 | ||
316 | /* | |
317 | * Local variables: | |
318 | * c-basic-offset: 8 | |
319 | * End: | |
320 | */ |