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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 | #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 | */ |
341 |
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