A source that represents a USB camera. More...

#include <cscore_oo.h>

Inheritance diagram for cs::UsbCamera:

Public Member Functions
	UsbCamera ()=default

	UsbCamera (std::string_view name, int dev)
	Create a source for a USB camera based on device number. More...

	UsbCamera (std::string_view name, std::string_view path)
	Create a source for a USB camera based on device path. More...

void	SetPath (std::string_view path)
	Change the path to the device. More...

std::string	GetPath () const
	Get the path to the device. More...

UsbCameraInfo	GetInfo () const
	Get the full camera information for the device. More...

void	SetConnectVerbose (int level)
	Set how verbose the camera connection messages are. More...

Public Member Functions inherited from cs::VideoCamera
	VideoCamera ()=default

void	SetBrightness (int brightness)
	Set the brightness, as a percentage (0-100). More...

int	GetBrightness ()
	Get the brightness, as a percentage (0-100). More...

void	SetWhiteBalanceAuto ()
	Set the white balance to auto. More...

void	SetWhiteBalanceHoldCurrent ()
	Set the white balance to hold current. More...

void	SetWhiteBalanceManual (int value)
	Set the white balance to manual, with specified color temperature. More...

void	SetExposureAuto ()
	Set the exposure to auto aperature. More...

void	SetExposureHoldCurrent ()
	Set the exposure to hold current. More...

void	SetExposureManual (int value)
	Set the exposure to manual, as a percentage (0-100). More...

Public Member Functions inherited from cs::VideoSource
	VideoSource () noexcept=default

	VideoSource (const VideoSource &source)

	VideoSource (VideoSource &&other) noexcept

VideoSource &	operator= (VideoSource other) noexcept

	~VideoSource ()

	operator bool () const

int	GetHandle () const

bool	operator== (const VideoSource &other) const

Kind	GetKind () const
	Get the kind of the source. More...

std::string	GetName () const
	Get the name of the source. More...

std::string	GetDescription () const
	Get the source description. More...

uint64_t	GetLastFrameTime () const
	Get the last time a frame was captured. More...

void	SetConnectionStrategy (ConnectionStrategy strategy)
	Sets the connection strategy. More...

bool	IsConnected () const
	Is the source currently connected to whatever is providing the images? More...

bool	IsEnabled () const
	Gets source enable status. More...

VideoProperty	GetProperty (std::string_view name)
	Get a property. More...

std::vector< VideoProperty >	EnumerateProperties () const
	Enumerate all properties of this source. More...

VideoMode	GetVideoMode () const
	Get the current video mode. More...

bool	SetVideoMode (const VideoMode &mode)
	Set the video mode. More...

bool	SetVideoMode (VideoMode::PixelFormat pixelFormat, int width, int height, int fps)
	Set the video mode. More...

bool	SetPixelFormat (VideoMode::PixelFormat pixelFormat)
	Set the pixel format. More...

bool	SetResolution (int width, int height)
	Set the resolution. More...

bool	SetFPS (int fps)
	Set the frames per second (FPS). More...

bool	SetConfigJson (std::string_view config)
	Set video mode and properties from a JSON configuration string. More...

bool	SetConfigJson (const wpi::json &config)
	Set video mode and properties from a JSON configuration object. More...

std::string	GetConfigJson () const
	Get a JSON configuration string. More...

wpi::json	GetConfigJsonObject () const
	Get a JSON configuration object. More...

double	GetActualFPS () const
	Get the actual FPS. More...

double	GetActualDataRate () const
	Get the data rate (in bytes per second). More...

std::vector< VideoMode >	EnumerateVideoModes () const
	Enumerate all known video modes for this source. More...

CS_Status	GetLastStatus () const

std::vector< VideoSink >	EnumerateSinks ()
	Enumerate all sinks connected to this source. More...

Static Public Member Functions
static std::vector< UsbCameraInfo >	EnumerateUsbCameras ()
	Enumerate USB cameras on the local system. More...

Static Public Member Functions inherited from cs::VideoSource
static std::vector< VideoSource >	EnumerateSources ()
	Enumerate all existing sources. More...

Additional Inherited Members
Public Types inherited from cs::VideoCamera
enum	WhiteBalance { kFixedIndoor = 3000 , kFixedOutdoor1 = 4000 , kFixedOutdoor2 = 5000 , kFixedFluorescent1 = 5100 , kFixedFlourescent2 = 5200 }

Public Types inherited from cs::VideoSource
enum	Kind { kUnknown = CS_SOURCE_UNKNOWN , kUsb = CS_SOURCE_USB , kHttp = CS_SOURCE_HTTP , kCv = CS_SOURCE_CV }

enum	ConnectionStrategy { kConnectionAutoManage = CS_CONNECTION_AUTO_MANAGE , kConnectionKeepOpen = CS_CONNECTION_KEEP_OPEN , kConnectionForceClose = CS_CONNECTION_FORCE_CLOSE }
	Connection strategy. More...

Protected Member Functions inherited from cs::VideoCamera
	VideoCamera (CS_Source handle)

Protected Member Functions inherited from cs::VideoSource
	VideoSource (CS_Source handle)

Protected Attributes inherited from cs::VideoSource
CS_Status	m_status = 0

CS_Source	m_handle {0}

Detailed Description

A source that represents a USB camera.

Constructor & Destructor Documentation

◆ UsbCamera() [1/3]

cs::UsbCamera::UsbCamera ( )

default

◆ UsbCamera() [2/3]

cs::UsbCamera::UsbCamera	(	std::string_view	name,
		int	dev
	)

inline

Create a source for a USB camera based on device number.

Parameters

name	Source name (arbitrary unique identifier)
dev	Device number (e.g. 0 for /dev/video0)

◆ UsbCamera() [3/3]

cs::UsbCamera::UsbCamera	(	std::string_view	name,
		std::string_view	path
	)

inline

Create a source for a USB camera based on device path.

Parameters

name	Source name (arbitrary unique identifier)
path	Path to device (e.g. "/dev/video0" on Linux)

Member Function Documentation

◆ EnumerateUsbCameras()

std::vector< UsbCameraInfo > cs::UsbCamera::EnumerateUsbCameras ( )

inlinestatic

Enumerate USB cameras on the local system.

Returns: Vector of USB camera information (one for each camera)

◆ GetInfo()

UsbCameraInfo cs::UsbCamera::GetInfo ( ) const

inline

Get the full camera information for the device.

◆ GetPath()

std::string cs::UsbCamera::GetPath ( ) const

inline

Get the path to the device.

◆ SetConnectVerbose()

void cs::UsbCamera::SetConnectVerbose ( int level )

inline

Set how verbose the camera connection messages are.

Parameters

level 0=don't display Connecting message, 1=do display message

◆ SetPath()

void cs::UsbCamera::SetPath ( std::string_view path )

inline

Change the path to the device.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ UsbCamera() [1/3]

◆ UsbCamera() [2/3]

◆ UsbCamera() [3/3]

Member Function Documentation

◆ EnumerateUsbCameras()

◆ GetInfo()

◆ GetPath()

◆ SetConnectVerbose()

◆ SetPath()