Merge "camera2: Add some more docs to getConcurrentCameraIds" into rvc-dev am: d220792d6b (50a9cdf2) · Commits · e / os / android_frameworks_base

core/java/android/hardware/camera2/CameraManager.java

+15 −0

Original line number	Original line	Diff line number	Diff line
	@@ -138,10 +138,25 @@ public final class CameraManager {
	* client camera application. Using these camera devices concurrently by two different		* client camera application. Using these camera devices concurrently by two different
	* applications is not guaranteed to be supported, however.</p>		* applications is not guaranteed to be supported, however.</p>
	*		*
			* <p>For concurrent operation, in chronological order :
			* - Applications must first close any open cameras that have sessions configured, using
			* {@link CameraDevice#close}.
			* - All camera devices intended to be operated concurrently, must be opened using
			* {@link #openCamera}, before configuring sessions on any of the camera devices.</p>
			*
	* <p>Each device in a combination, is guaranteed to support stream combinations which may be		* <p>Each device in a combination, is guaranteed to support stream combinations which may be
	* obtained by querying {@link #getCameraCharacteristics} for the key		* obtained by querying {@link #getCameraCharacteristics} for the key
	* {@link android.hardware.camera2.CameraCharacteristics#SCALER_MANDATORY_CONCURRENT_STREAM_COMBINATIONS}.</p>		* {@link android.hardware.camera2.CameraCharacteristics#SCALER_MANDATORY_CONCURRENT_STREAM_COMBINATIONS}.</p>
	*		*
			* <p>For concurrent operation, if a camera device has a non null zoom ratio range as specified
			* by
			* {@link android.hardware.camera2.CameraCharacteristics#CONTROL_ZOOM_RATIO_RANGE},
			* its complete zoom ratio range may not apply. Applications can use
			* {@link android.hardware.camera2.CaptureRequest#CONTROL_ZOOM_RATIO} >=1 and <=
			* {@link android.hardware.camera2.CameraCharacteristics#SCALER_AVAILABLE_MAX_DIGITAL_ZOOM}
			* during concurrent operation.
			* <p>
			*
	* <p>The set of combinations may include camera devices that may be in use by other camera API		* <p>The set of combinations may include camera devices that may be in use by other camera API
	* clients.</p>		* clients.</p>
	*		*