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-rw-r--r--bttv/experimental/videodev.h214
1 files changed, 214 insertions, 0 deletions
diff --git a/bttv/experimental/videodev.h b/bttv/experimental/videodev.h
new file mode 100644
index 0000000..6b13119
--- /dev/null
+++ b/bttv/experimental/videodev.h
@@ -0,0 +1,214 @@
+#ifndef __LINUX_VIDEODEV_H
+#define __LINUX_VIDEODEV_H
+
+#ifdef __KERNEL__
+
+struct video_device
+{
+ char name[32];
+ int type;
+ int hardware;
+
+ int (*open)(struct video_device *, int mode);
+ void (*close)(struct video_device *);
+ long (*read)(struct video_device *, char *, unsigned long, int noblock);
+ /* Do we need a write method ? */
+ long (*write)(struct video_device *, const char *, unsigned long, int noblock);
+ int (*ioctl)(struct video_device *, unsigned int , void *);
+ int (*mmap)(struct video_device *, const char *, unsigned long);
+ int (*initialize)(struct video_device *);
+ void *priv; /* Used to be 'private' but that upsets C++ */
+ int busy;
+ int minor;
+};
+
+extern int videodev_init(void);
+#define VIDEO_MAJOR 81
+extern int video_register_device(struct video_device *, int type);
+
+#define VFL_TYPE_GRABBER 0
+#define VFL_TYPE_VBI 1
+#define VFL_TYPE_RADIO 2
+#define VFL_TYPE_VTX 3
+
+extern void video_unregister_device(struct video_device *);
+#endif
+
+
+#define VID_TYPE_CAPTURE 1 /* Can capture */
+#define VID_TYPE_TUNER 2 /* Can tune */
+#define VID_TYPE_TELETEXT 4 /* Does teletext */
+#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
+#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
+#define VID_TYPE_CLIPPING 32 /* Can clip */
+#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
+#define VID_TYPE_SCALES 128 /* Scalable */
+#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
+
+struct video_capability
+{
+ char name[32];
+ int type;
+ int channels; /* Num channels */
+ int audios; /* Num audio devices */
+ int maxwidth; /* Supported width */
+ int maxheight; /* And height */
+ int minwidth; /* Supported width */
+ int minheight; /* And height */
+};
+
+
+struct video_channel
+{
+ int channel;
+ char name[32];
+ int tuners;
+ __u32 flags;
+#define VIDEO_VC_TUNER 1 /* Channel has a tuner */
+#define VIDEO_VC_AUDIO 2 /* Channel has audio */
+ __u16 type;
+#define VIDEO_TYPE_TV 1
+#define VIDEO_TYPE_CAMERA 2
+};
+
+struct video_tuner
+{
+ int tuner;
+ char name[32];
+ ulong rangelow, rangehigh; /* Tuner range */
+ __u32 flags;
+#define VIDEO_TUNER_PAL 1
+#define VIDEO_TUNER_NTSC 2
+#define VIDEO_TUNER_SECAM 4
+#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */
+#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */
+ __u16 mode; /* PAL/NTSC/SECAM/OTHER */
+#define VIDEO_MODE_PAL 0
+#define VIDEO_MODE_NTSC 1
+#define VIDEO_MODE_SECAM 2
+#define VIDEO_MODE_AUTO 3
+ __u16 signal; /* Signal strength 16bit scale */
+};
+
+struct video_picture
+{
+ __u16 brightness;
+ __u16 hue;
+ __u16 colour;
+ __u16 contrast;
+ __u16 whiteness; /* Black and white only */
+ __u16 depth; /* Capture depth */
+ __u16 palette; /* Palette in use */
+#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */
+#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */
+#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */
+#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */
+#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */
+#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */
+#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */
+};
+
+struct video_audio
+{
+ int audio; /* Audio channel */
+ __u16 volume; /* If settable */
+ __u16 bass, treble;
+ __u32 flags;
+#define VIDEO_AUDIO_MUTE 1
+#define VIDEO_AUDIO_MUTABLE 2
+#define VIDEO_AUDIO_VOLUME 4
+#define VIDEO_AUDIO_BASS 8
+#define VIDEO_AUDIO_TREBLE 16
+ char name[16];
+#define VIDEO_SOUND_MONO 1
+#define VIDEO_SOUND_STEREO 2
+#define VIDEO_SOUND_LANG1 3
+#define VIDEO_SOUND_LANG2 4
+ __u16 mode;
+};
+
+struct video_clip
+{
+ __s32 x,y;
+ __s32 width, height;
+ struct video_clip *next; /* For user use/driver use only */
+};
+
+struct video_window
+{
+ __u32 x,y;
+ __u32 width,height;
+ __u32 chromakey;
+ __u32 flags;
+ struct video_clip *clips; /* Set only */
+ int clipcount;
+#define VIDEO_WINDOW_INTERLACE 1
+};
+
+struct video_buffer
+{
+ void *base;
+ int height,width;
+ int depth;
+ int bytesperline;
+};
+
+struct video_mmap
+{
+ unsigned int frame; /* Frame (0 or 1) for double buffer */
+ int height,width;
+ unsigned int format;
+};
+
+struct video_key
+{
+ __u8 key[8];
+ __u32 flags;
+};
+
+#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */
+#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */
+#define VIDIOCSCHAN _IOW('v',3,int) /* Set channel */
+#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */
+#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */
+#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */
+#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */
+#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */
+#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Set the video overlay window */
+#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
+#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */
+#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */
+#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) */
+#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */
+#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */
+#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */
+#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */
+#define VIDIOCSYNC_OLD _IO('v',18) /* Sync with mmap grabbing */
+#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */
+#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */
+
+
+#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
+
+
+#define VID_HARDWARE_BT848 1
+#define VID_HARDWARE_QCAM_BW 2
+#define VID_HARDWARE_PMS 3
+#define VID_HARDWARE_QCAM_C 4
+#define VID_HARDWARE_PSEUDO 5
+#define VID_HARDWARE_SAA5249 6
+#define VID_HARDWARE_AZTECH 7
+#define VID_HARDWARE_SF16MI 8
+#define VID_HARDWARE_RTRACK 9
+
+/*
+ * Initialiser list
+ */
+
+struct video_init
+{
+ char *name;
+ int (*init)(struct video_init *);
+};
+
+#endif

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