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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/include/linux/videodev.h

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14 KiB
C
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#ifndef __LINUX_VIDEODEV_H
#define __LINUX_VIDEODEV_H
#include <linux/compiler.h>
#include <linux/types.h>
#define HAVE_V4L2 1
#include <linux/videodev2.h>
#ifdef __KERNEL__
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/device.h>
struct video_device
{
/* device info */
struct device *dev;
char name[32];
int type; /* v4l1 */
int type2; /* v4l2 */
int hardware;
int minor;
/* device ops + callbacks */
struct file_operations *fops;
void (*release)(struct video_device *vfd);
/* obsolete -- fops->owner is used instead */
struct module *owner;
/* dev->driver_data will be used instead some day.
* Use the video_{get|set}_drvdata() helper functions,
* so the switch over will be transparent for you.
* Or use {pci|usb}_{get|set}_drvdata() directly. */
void *priv;
/* for videodev.c intenal usage -- please don't touch */
int users; /* video_exclusive_{open|close} ... */
struct semaphore lock; /* ... helper function uses these */
char devfs_name[64]; /* devfs */
struct class_device class_dev; /* sysfs */
};
#define VIDEO_MAJOR 81
#define VFL_TYPE_GRABBER 0
#define VFL_TYPE_VBI 1
#define VFL_TYPE_RADIO 2
#define VFL_TYPE_VTX 3
extern int video_register_device(struct video_device *, int type, int nr);
extern void video_unregister_device(struct video_device *);
extern struct video_device* video_devdata(struct file*);
#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
static inline void
video_device_create_file(struct video_device *vfd,
struct class_device_attribute *attr)
{
class_device_create_file(&vfd->class_dev, attr);
}
static inline void
video_device_remove_file(struct video_device *vfd,
struct class_device_attribute *attr)
{
class_device_remove_file(&vfd->class_dev, attr);
}
/* helper functions to alloc / release struct video_device, the
later can be used for video_device->release() */
struct video_device *video_device_alloc(void);
void video_device_release(struct video_device *vfd);
/* helper functions to access driver private data. */
static inline void *video_get_drvdata(struct video_device *dev)
{
return dev->priv;
}
static inline void video_set_drvdata(struct video_device *dev, void *data)
{
dev->priv = data;
}
extern int video_exclusive_open(struct inode *inode, struct file *file);
extern int video_exclusive_release(struct inode *inode, struct file *file);
extern int video_usercopy(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg,
int (*func)(struct inode *inode, struct file *file,
unsigned int cmd, void *arg));
#endif /* __KERNEL__ */
#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 */
#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
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
__u16 norm; /* Norm set by channel */
};
struct video_tuner
{
int tuner;
char name[32];
unsigned long 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_NORM 16 /* Tuner can set norm */
#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */
#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */
#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */
__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 */
#define VIDEO_PALETTE_YUYV 8
#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */
#define VIDEO_PALETTE_YUV420 10
#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */
#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */
#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */
#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */
#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */
#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */
#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */
#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */
};
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
#define VIDEO_AUDIO_BALANCE 32
char name[16];
#define VIDEO_SOUND_MONO 1
#define VIDEO_SOUND_STEREO 2
#define VIDEO_SOUND_LANG1 4
#define VIDEO_SOUND_LANG2 8
__u16 mode;
__u16 balance; /* Stereo balance */
__u16 step; /* Step actual volume uses */
};
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; /* Position of window */
__u32 width,height; /* Its size */
__u32 chromakey;
__u32 flags;
struct video_clip __user *clips; /* Set only */
int clipcount;
#define VIDEO_WINDOW_INTERLACE 1
#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */
#define VIDEO_CLIP_BITMAP -1
/* bitmap is 1024x625, a '1' bit represents a clipped pixel */
#define VIDEO_CLIPMAP_SIZE (128 * 625)
};
struct video_capture
{
__u32 x,y; /* Offsets into image */
__u32 width, height; /* Area to capture */
__u16 decimation; /* Decimation divider */
__u16 flags; /* Flags for capture */
#define VIDEO_CAPTURE_ODD 0 /* Temporal */
#define VIDEO_CAPTURE_EVEN 1
};
struct video_buffer
{
void *base;
int height,width;
int depth;
int bytesperline;
};
struct video_mmap
{
unsigned int frame; /* Frame (0 - n) for double buffer */
int height,width;
unsigned int format; /* should be VIDEO_PALETTE_* */
};
struct video_key
{
__u8 key[8];
__u32 flags;
};
#define VIDEO_MAX_FRAME 32
struct video_mbuf
{
int size; /* Total memory to map */
int frames; /* Frames */
int offsets[VIDEO_MAX_FRAME];
};
#define VIDEO_NO_UNIT (-1)
struct video_unit
{
int video; /* Video minor */
int vbi; /* VBI minor */
int radio; /* Radio minor */
int audio; /* Audio minor */
int teletext; /* Teletext minor */
};
struct vbi_format {
__u32 sampling_rate; /* in Hz */
__u32 samples_per_line;
__u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */
__s32 start[2]; /* starting line for each frame */
__u32 count[2]; /* count of lines for each frame */
__u32 flags;
#define VBI_UNSYNC 1 /* can distingues between top/bottom field */
#define VBI_INTERLACED 2 /* lines are interlaced */
};
/* video_info is biased towards hardware mpeg encode/decode */
/* but it could apply generically to any hardware compressor/decompressor */
struct video_info
{
__u32 frame_count; /* frames output since decode/encode began */
__u32 h_size; /* current unscaled horizontal size */
__u32 v_size; /* current unscaled veritcal size */
__u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */
__u32 picture_type; /* current picture type */
__u32 temporal_reference; /* current temporal reference */
__u8 user_data[256]; /* user data last found in compressed stream */
/* user_data[0] contains user data flags, user_data[1] has count */
};
/* generic structure for setting playback modes */
struct video_play_mode
{
int mode;
int p1;
int p2;
};
/* for loading microcode / fpga programming */
struct video_code
{
char loadwhat[16]; /* name or tag of file being passed */
int datasize;
__u8 *data;
};
#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,struct video_channel) /* 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) /* Get 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 _IOW('v',18, int) /* Sync with mmap grabbing */
#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */
#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */
#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */
#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */
#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */
#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */
#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */
#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */
#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */
#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */
#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */
#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
/* VIDIOCSWRITEMODE */
#define VID_WRITE_MPEG_AUD 0
#define VID_WRITE_MPEG_VID 1
#define VID_WRITE_OSD 2
#define VID_WRITE_TTX 3
#define VID_WRITE_CC 4
#define VID_WRITE_MJPEG 5
/* VIDIOCSPLAYMODE */
#define VID_PLAY_VID_OUT_MODE 0
/* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */
#define VID_PLAY_GENLOCK 1
/* p1: 0 = OFF, 1 = ON */
/* p2: GENLOCK FINE DELAY value */
#define VID_PLAY_NORMAL 2
#define VID_PLAY_PAUSE 3
#define VID_PLAY_SINGLE_FRAME 4
#define VID_PLAY_FAST_FORWARD 5
#define VID_PLAY_SLOW_MOTION 6
#define VID_PLAY_IMMEDIATE_NORMAL 7
#define VID_PLAY_SWITCH_CHANNELS 8
#define VID_PLAY_FREEZE_FRAME 9
#define VID_PLAY_STILL_MODE 10
#define VID_PLAY_MASTER_MODE 11
/* p1: see below */
#define VID_PLAY_MASTER_NONE 1
#define VID_PLAY_MASTER_VIDEO 2
#define VID_PLAY_MASTER_AUDIO 3
#define VID_PLAY_ACTIVE_SCANLINES 12
/* p1 = first active; p2 = last active */
#define VID_PLAY_RESET 13
#define VID_PLAY_END_MARK 14
#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
#define VID_HARDWARE_ZOLTRIX 10
#define VID_HARDWARE_SAA7146 11
#define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */
#define VID_HARDWARE_RTRACK2 13
#define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */
#define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */
#define VID_HARDWARE_PLANB 16 /* PowerMac motherboard video-in */
#define VID_HARDWARE_BROADWAY 17 /* Broadway project */
#define VID_HARDWARE_GEMTEK 18
#define VID_HARDWARE_TYPHOON 19
#define VID_HARDWARE_VINO 20 /* SGI Indy Vino */
#define VID_HARDWARE_CADET 21 /* Cadet radio */
#define VID_HARDWARE_TRUST 22 /* Trust FM Radio */
#define VID_HARDWARE_TERRATEC 23 /* TerraTec ActiveRadio */
#define VID_HARDWARE_CPIA 24
#define VID_HARDWARE_ZR36120 25 /* Zoran ZR36120/ZR36125 */
#define VID_HARDWARE_ZR36067 26 /* Zoran ZR36067/36060 */
#define VID_HARDWARE_OV511 27
#define VID_HARDWARE_ZR356700 28 /* Zoran 36700 series */
#define VID_HARDWARE_W9966 29
#define VID_HARDWARE_SE401 30 /* SE401 USB webcams */
#define VID_HARDWARE_PWC 31 /* Philips webcams */
#define VID_HARDWARE_MEYE 32 /* Sony Vaio MotionEye cameras */
#define VID_HARDWARE_CPIA2 33
#define VID_HARDWARE_VICAM 34
#define VID_HARDWARE_SF16FMR2 35
#define VID_HARDWARE_W9968CF 36
#define VID_HARDWARE_SAA7114H 37
#define VID_HARDWARE_SN9C102 38
#define VID_HARDWARE_ARV 39
#endif /* __LINUX_VIDEODEV_H */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
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