USB Camera control and streaming. More...

#include "common.h"
#include "framefilter.h"
#include "thread.h"

Include dependency graph for usbthread.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	USBCameraConnectionContext
	Parameters for connecting to a usb camera. More...

struct	USBDeviceSignalContext
	Redefinition of characteristic signal contexts (info that goes with the signal) More...

class	USBDevice

class	V4LDevice

class	USBDeviceThread

Enumerations
enum class	USBDeviceSignal { none , exit , register_camera_stream , deregister_camera_stream , play_camera_stream , stop_camera_stream }
	Signals used by USBDeviceThread.

enum	v4l_status { none =0 , none , not_found =1 , not_device =2 , not_read =3 , ok_open =4 , not_v4l2 =5 , not_video_cap =6 , not_stream =7 , not_format =8 , ok_format =9 , not_ptr =10 , not_map =11 , not_on =12 , ok =13 }
	Different stages of v4l2 device initialization. More...

Functions
int	xioctl (int fh, int request, void *arg)

Detailed Description

USB Camera control and streaming.

Enumeration Type Documentation

Different stages of v4l2 device initialization.

Enumerator
none	undefined (initial value)
not_found	file not found
not_device	not device file
not_read	could not read device
ok_open	device opened
not_v4l2	not v4l2 device
not_video_cap	not video capture devices
not_stream	does not support streaming
not_format	device could not satisfy the demanded format
ok_format	format is ok
not_ptr	does not support user pointers
not_map	could not communicate pointers with the drivers
not_on	could not turn stream on
ok	stream is playing allright