source: trunk/MagicSoft/Cosy/videodev/videodev.h@ 8606

Last change on this file since 8606 was 738, checked in by tbretz, 25 years ago
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1#ifndef __LINUX_VIDEODEV_H
2#define __LINUX_VIDEODEV_H
3
4#include <linux/types.h>
5
6/*#ifdef __KERNEL__
7
8#if LINUX_VERSION_CODE >= 0x020100
9#include <linux/poll.h>
10#endif
11
12struct video_device
13{
14 char name[32];
15 int type;
16 int hardware;
17
18 int (*open)(struct video_device *, int mode);
19 void (*close)(struct video_device *);
20 long (*read)(struct video_device *, char *, unsigned long, int noblock);
21 // Do we need a write method ?
22 long (*write)(struct video_device *, const char *, unsigned long, int noblock);
23#if LINUX_VERSION_CODE >= 0x020100
24 unsigned int (*poll)(struct video_device *, struct file *, poll_table *);
25#endif
26 int (*ioctl)(struct video_device *, unsigned int , void *);
27 int (*mmap)(struct video_device *, const char *, unsigned long);
28 int (*initialize)(struct video_device *);
29 void *priv; // Used to be 'private' but that upsets C++
30 int busy;
31 int minor;
32};
33
34extern int videodev_init(void);
35#define VIDEO_MAJOR 81
36extern int video_register_device(struct video_device *, int type);
37
38#define VFL_TYPE_GRABBER 0
39#define VFL_TYPE_VBI 1
40#define VFL_TYPE_RADIO 2
41#define VFL_TYPE_VTX 3
42
43extern void video_unregister_device(struct video_device *);
44#endif
45*/
46
47#define VID_TYPE_CAPTURE 1 /* Can capture */
48#define VID_TYPE_TUNER 2 /* Can tune */
49#define VID_TYPE_TELETEXT 4 /* Does teletext */
50#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
51#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
52#define VID_TYPE_CLIPPING 32 /* Can clip */
53#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
54#define VID_TYPE_SCALES 128 /* Scalable */
55#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
56#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
57
58struct video_capability
59{
60 char name[32];
61 int type;
62 int channels; /* Num channels */
63 int audios; /* Num audio devices */
64 int maxwidth; /* Supported width */
65 int maxheight; /* And height */
66 int minwidth; /* Supported width */
67 int minheight; /* And height */
68};
69
70
71struct video_channel
72{
73 int channel;
74 char name[32];
75 int tuners;
76 __u32 flags;
77#define VIDEO_VC_TUNER 1 /* Channel has a tuner */
78#define VIDEO_VC_AUDIO 2 /* Channel has audio */
79 __u16 type;
80#define VIDEO_TYPE_TV 1
81#define VIDEO_TYPE_CAMERA 2
82 __u16 norm; /* Norm set by channel */
83};
84
85struct video_tuner
86{
87 int tuner;
88 char name[32];
89 ulong rangelow, rangehigh; /* Tuner range */
90 __u32 flags;
91#define VIDEO_TUNER_PAL 1
92#define VIDEO_TUNER_NTSC 2
93#define VIDEO_TUNER_SECAM 4
94#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */
95#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */
96#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */
97 __u16 mode; /* PAL/NTSC/SECAM/OTHER */
98#define VIDEO_MODE_PAL 0
99#define VIDEO_MODE_NTSC 1
100#define VIDEO_MODE_SECAM 2
101#define VIDEO_MODE_AUTO 3
102 __u16 signal; /* Signal strength 16bit scale */
103};
104
105struct video_picture
106{
107 __u16 brightness;
108 __u16 hue;
109 __u16 colour;
110 __u16 contrast;
111 __u16 whiteness; /* Black and white only */
112 __u16 depth; /* Capture depth */
113 __u16 palette; /* Palette in use */
114#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */
115#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */
116#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */
117#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */
118#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */
119#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */
120#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */
121#define VIDEO_PALETTE_YUYV 8
122#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */
123#define VIDEO_PALETTE_YUV420 10
124#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */
125#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */
126#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */
127#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */
128#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */
129#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */
130#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */
131#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */
132};
133
134struct video_audio
135{
136 int audio; /* Audio channel */
137 __u16 volume; /* If settable */
138 __u16 bass, treble;
139 __u32 flags;
140#define VIDEO_AUDIO_MUTE 1
141#define VIDEO_AUDIO_MUTABLE 2
142#define VIDEO_AUDIO_VOLUME 4
143#define VIDEO_AUDIO_BASS 8
144#define VIDEO_AUDIO_TREBLE 16
145 char name[16];
146#define VIDEO_SOUND_MONO 1
147#define VIDEO_SOUND_STEREO 2
148#define VIDEO_SOUND_LANG1 4
149#define VIDEO_SOUND_LANG2 8
150 __u16 mode; /* detected audio carriers or one to set */
151 __u16 balance; /* Stereo balance */
152 __u16 step; /* Step actual volume uses */
153};
154
155struct video_clip
156{
157 __s32 x,y;
158 __s32 width, height;
159 struct video_clip *next; /* For user use/driver use only */
160};
161
162struct video_window
163{
164 __u32 x,y; /* Position of window */
165 __u32 width,height; /* Its size */
166 __u32 chromakey;
167 __u32 flags;
168 struct video_clip *clips; /* Set only */
169 int clipcount;
170#define VIDEO_WINDOW_INTERLACE 1
171#define VIDEO_CLIP_BITMAP -1
172/* bitmap is 1024x625, a '1' bit represents a clipped pixel */
173#define VIDEO_CLIPMAP_SIZE (128 * 625)
174};
175
176struct video_capture
177{
178 __u32 x,y; /* Offsets into image */
179 __u32 width, height; /* Area to capture */
180 __u16 decimation; /* Decimation divder */
181 __u16 flags; /* Flags for capture */
182#define VIDEO_CAPTURE_ODD 0 /* Temporal */
183#define VIDEO_CAPTURE_EVEN 1
184};
185
186struct video_buffer
187{
188 void *base;
189 int height,width;
190 int depth;
191 int bytesperline;
192};
193
194struct video_mmap
195{
196 unsigned int frame; /* Frame (0 - n) for double buffer */
197 int height,width;
198 unsigned int format; /* should be VIDEO_PALETTE_* */
199};
200
201struct video_key
202{
203 __u8 key[8];
204 __u32 flags;
205};
206
207
208#define VIDEO_MAX_FRAME 32
209
210struct video_mbuf
211{
212 int size; /* Total memory to map */
213 int frames; /* Frames */
214 int offsets[VIDEO_MAX_FRAME];
215};
216
217
218#define VIDEO_NO_UNIT (-1)
219
220
221struct video_unit
222{
223 int video; /* Video minor */
224 int vbi; /* VBI minor */
225 int radio; /* Radio minor */
226 int audio; /* Audio minor */
227 int teletext; /* Teletext minor */
228};
229
230#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */
231#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */
232#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */
233#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */
234#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */
235#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */
236#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */
237#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */
238#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Set the video overlay window */
239#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
240#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */
241#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */
242#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) */
243#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */
244#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */
245#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */
246#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */
247#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */
248#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */
249#define VIDIOCGMBUF _IOR('v', 20, struct video_mbuf) /* Memory map buffer info */
250#define VIDIOCGUNIT _IOR('v', 21, struct video_unit) /* Get attached units */
251#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get frame buffer */
252#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set frame buffer - root only */
253
254#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
255
256
257#define VID_HARDWARE_BT848 1
258#define VID_HARDWARE_QCAM_BW 2
259#define VID_HARDWARE_PMS 3
260#define VID_HARDWARE_QCAM_C 4
261#define VID_HARDWARE_PSEUDO 5
262#define VID_HARDWARE_SAA5249 6
263#define VID_HARDWARE_AZTECH 7
264#define VID_HARDWARE_SF16MI 8
265#define VID_HARDWARE_RTRACK 9
266#define VID_HARDWARE_ZOLTRIX 10
267#define VID_HARDWARE_SAA7146 11
268#define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */
269#define VID_HARDWARE_RTRACK2 13
270#define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */
271#define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */
272
273/*
274 * Initialiser list
275 */
276
277struct video_init
278{
279 char *name;
280 int (*init)(struct video_init *);
281};
282
283#endif
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