Package com.banuba.sdk.input

Class CameraDevice

java.lang.Object

com.banuba.sdk.player.VerifyCloseable

com.banuba.sdk.input.CameraDevice

All Implemented Interfaces:

Closeable, AutoCloseable

public class CameraDevice
extends VerifyCloseable

The CameraDevice class used to capture video stream, and photos. It uses the standard CameraX as a camera.

See Also:

• https://developer.android.com/training/camerax

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CameraDevice.FrameProvider
static interface	CameraDevice.ICapturedFrameInput	Interface for getting frames from video capture or photo capture
static interface	CameraDevice.IErrorOccurred	Interface for getting errors

Field Summary

Fields inherited from class com.banuba.sdk.player.VerifyCloseable

mIsClosed, mTag

Constructor Summary

Constructors

Constructor	Description
CameraDevice(android.content.Context context, androidx.lifecycle.LifecycleOwner lifecycleOwner)	Creates a camera object but does not start it.

Method Summary

Modifier and Type	Method	Description
void	addVideoCaptureListener(CameraDevice.ICapturedFrameInput listener)	Add the new video capture listener
void	close()
CameraDeviceConfigurator	getConfigurator()	Returns the CameraDeviceConfigurator.
boolean	hasFlashUnit()	Does the camera have a flashlight
void	removeVideoCaptureListener(CameraDevice.ICapturedFrameInput listener)	Removes the previously added video capture listener
void	setLinearZoom(float zoom)	Set the camera zoom
void	setTorchEnabled(boolean enabled)	Set the torch enabled
void	start()	Starts the camera if it has not been started
void	stop()	Stops the camera if it has not been stopped
void	takePhoto(CameraDevice.ICapturedFrameInput photoInputCallback, CameraDevice.IErrorOccurred errorCallback)	Takes a photo from the current camera and calls a callback when the photo is available for reading.

Methods inherited from class com.banuba.sdk.player.VerifyCloseable

finalize

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CameraDevice

public CameraDevice(@NonNull
 android.content.Context context,
 @NonNull
 androidx.lifecycle.LifecycleOwner lifecycleOwner)

Creates a camera object but does not start it.

Parameters:

context - an application context. For the activity can be passed like this: 'this'

lifecycleOwner - activity or application life cycle. For the activity can be passed like this: 'MainActivity.this'

Method Details

hasFlashUnit

public boolean hasFlashUnit()

Does the camera have a flashlight

Returns:

true if there is a torch otherwise false

setTorchEnabled

public void setTorchEnabled(boolean enabled)

Set the torch enabled

Parameters:

enabled - switches torch

setLinearZoom

public void setLinearZoom(float zoom)

Set the camera zoom

Parameters:

zoom - value in range [0.0f; 1.0f]

getConfigurator

public CameraDeviceConfigurator getConfigurator()

Returns the CameraDeviceConfigurator. You need to manage the camera settings through it.

Returns:

CameraDeviceConfigurator

See Also:

• CameraDeviceConfigurator

addVideoCaptureListener

public void addVideoCaptureListener(@NonNull
 CameraDevice.ICapturedFrameInput listener)

Add the new video capture listener

Parameters:

listener - new video capture listener

See Also:

• removeVideoCaptureListener(com.banuba.sdk.input.CameraDevice.ICapturedFrameInput)

removeVideoCaptureListener

public void removeVideoCaptureListener(@NonNull
 CameraDevice.ICapturedFrameInput listener)

Removes the previously added video capture listener

Parameters:

listener - previously added video capture listener

See Also:

• addVideoCaptureListener(com.banuba.sdk.input.CameraDevice.ICapturedFrameInput)

takePhoto

public void takePhoto(@NonNull
 CameraDevice.ICapturedFrameInput photoInputCallback,
 @Nullable
 CameraDevice.IErrorOccurred errorCallback)

Takes a photo from the current camera and calls a callback when the photo is available for reading.

Parameters:

photoInputCallback - callback for processing the photo

start

public void start()

Starts the camera if it has not been started

stop

public void stop()

Stops the camera if it has not been stopped

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class VerifyCloseable