Merge "camera: Add support for multiple camera capture requests" (98da482e) · Commits · e / os / android_frameworks_base

api/current.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -15575,6 +15575,7 @@ package android.hardware.camera2 {
		method public <T> T get(android.hardware.camera2.CameraCharacteristics.Key<T>);
		method public java.util.List<android.hardware.camera2.CaptureRequest.Key<?>> getAvailableCaptureRequestKeys();
		method public java.util.List<android.hardware.camera2.CaptureResult.Key<?>> getAvailableCaptureResultKeys();
		method public java.util.List<android.hardware.camera2.CaptureRequest.Key<?>> getAvailablePhysicalCameraRequestKeys();
		method public java.util.List<android.hardware.camera2.CaptureRequest.Key<?>> getAvailableSessionKeys();
		method public java.util.List<android.hardware.camera2.CameraCharacteristics.Key<?>> getKeys();
		method public java.util.List<java.lang.String> getPhysicalCameraIds();
		@@ -15678,6 +15679,7 @@ package android.hardware.camera2 {
		public abstract class CameraDevice implements java.lang.AutoCloseable {
		method public abstract void close();
		method public abstract android.hardware.camera2.CaptureRequest.Builder createCaptureRequest(int) throws android.hardware.camera2.CameraAccessException;
		method public android.hardware.camera2.CaptureRequest.Builder createCaptureRequest(int, java.util.Set<java.lang.String>) throws android.hardware.camera2.CameraAccessException;
		method public abstract void createCaptureSession(java.util.List<android.view.Surface>, android.hardware.camera2.CameraCaptureSession.StateCallback, android.os.Handler) throws android.hardware.camera2.CameraAccessException;
		method public void createCaptureSession(android.hardware.camera2.params.SessionConfiguration) throws android.hardware.camera2.CameraAccessException;
		method public abstract void createCaptureSessionByOutputConfigurations(java.util.List<android.hardware.camera2.params.OutputConfiguration>, android.hardware.camera2.CameraCaptureSession.StateCallback, android.os.Handler) throws android.hardware.camera2.CameraAccessException;
		@@ -16020,8 +16022,10 @@ package android.hardware.camera2 {
		method public void addTarget(android.view.Surface);
		method public android.hardware.camera2.CaptureRequest build();
		method public <T> T get(android.hardware.camera2.CaptureRequest.Key<T>);
		method public <T> T getPhysicalCameraKey(android.hardware.camera2.CaptureRequest.Key<T>, java.lang.String);
		method public void removeTarget(android.view.Surface);
		method public <T> void set(android.hardware.camera2.CaptureRequest.Key<T>, T);
		method public <T> android.hardware.camera2.CaptureRequest.Builder setPhysicalCameraKey(android.hardware.camera2.CaptureRequest.Key<T>, T, java.lang.String);
		method public void setTag(java.lang.Object);
		}

core/java/android/hardware/camera2/CameraCharacteristics.java

+64 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		private List<CameraCharacteristics.Key<?>> mKeys;
		private List<CaptureRequest.Key<?>> mAvailableRequestKeys;
		private List<CaptureRequest.Key<?>> mAvailableSessionKeys;
		private List<CaptureRequest.Key<?>> mAvailablePhysicalRequestKeys;
		private List<CaptureResult.Key<?>> mAvailableResultKeys;

		/**
		@@ -315,6 +316,45 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		return mAvailableSessionKeys;
		}

		/**
		* <p>Returns a subset of {@link #getAvailableCaptureRequestKeys} keys that can
		* be overriden for physical devices backing a logical multi-camera.</p>
		*
		* <p>This is a subset of android.request.availableRequestKeys which contains a list
		* of keys that can be overriden using {@link CaptureRequest.Builder#setPhysicalCameraKey }.
		* The respective value of such request key can be obtained by calling
		* {@link CaptureRequest.Builder#getPhysicalCameraKey }. Capture requests that contain
		* individual physical device requests must be built via
		* {@link android.hardware.camera2.CameraDevice#createCaptureRequest(int, Set)}.
		* Such extended capture requests can be passed only to
		* {@link CameraCaptureSession#capture } or {@link CameraCaptureSession#captureBurst } and
		* not to {@link CameraCaptureSession#setRepeatingRequest } or
		* {@link CameraCaptureSession#setRepeatingBurst }.</p>
		*
		* <p>The list returned is not modifiable, so any attempts to modify it will throw
		* a {@code UnsupportedOperationException}.</p>
		*
		* <p>Each key is only listed once in the list. The order of the keys is undefined.</p>
		*
		* @return List of keys that can be overriden in individual physical device requests.
		* In case the camera device doesn't support such keys the list can be null.
		*/
		@SuppressWarnings({"unchecked"})
		public List<CaptureRequest.Key<?>> getAvailablePhysicalCameraRequestKeys() {
		if (mAvailableSessionKeys == null) {
		Object crKey = CaptureRequest.Key.class;
		Class<CaptureRequest.Key<?>> crKeyTyped = (Class<CaptureRequest.Key<?>>)crKey;

		int[] filterTags = get(REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS);
		if (filterTags == null) {
		return null;
		}
		mAvailablePhysicalRequestKeys =
		getAvailableKeyList(CaptureRequest.class, crKeyTyped, filterTags);
		}
		return mAvailablePhysicalRequestKeys;
		}

		/**
		* Returns the list of keys supported by this {@link CameraDevice} for querying
		* with a {@link CaptureRequest}.
		@@ -1745,6 +1785,30 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		public static final Key<int[]> REQUEST_AVAILABLE_SESSION_KEYS =
		new Key<int[]>("android.request.availableSessionKeys", int[].class);

		/**
		* <p>A subset of the available request keys that can be overriden for
		* physical devices backing a logical multi-camera.</p>
		* <p>This is a subset of android.request.availableRequestKeys which contains a list
		* of keys that can be overriden using {@link CaptureRequest.Builder#setPhysicalCameraKey }.
		* The respective value of such request key can be obtained by calling
		* {@link CaptureRequest.Builder#getPhysicalCameraKey }. Capture requests that contain
		* individual physical device requests must be built via
		* {@link android.hardware.camera2.CameraDevice#createCaptureRequest(int, Set)}.
		* Such extended capture requests can be passed only to
		* {@link CameraCaptureSession#capture } or {@link CameraCaptureSession#captureBurst } and
		* not to {@link CameraCaptureSession#setRepeatingRequest } or
		* {@link CameraCaptureSession#setRepeatingBurst }.</p>
		* <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
		* <p><b>Limited capability</b> -
		* Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the
		* {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p>
		*
		* @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
		* @hide
		*/
		public static final Key<int[]> REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS =
		new Key<int[]>("android.request.availablePhysicalCameraRequestKeys", int[].class);

		/**
		* <p>The list of image formats that are supported by this
		* camera device for output streams.</p>

core/java/android/hardware/camera2/CameraDevice.java

+42 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.os.Handler;
		import android.view.Surface;

		import java.util.List;
		import java.util.Set;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		@@ -909,6 +910,47 @@ public abstract class CameraDevice implements AutoCloseable {
		public abstract CaptureRequest.Builder createCaptureRequest(@RequestTemplate int templateType)
		throws CameraAccessException;

		/**
		* <p>Create a {@link CaptureRequest.Builder} for new capture requests,
		* initialized with template for a target use case. This methods allows
		* clients to pass physical camera ids which can be used to customize the
		* request for a specific physical camera. The settings are chosen
		* to be the best options for the specific logical camera device. If
		* additional physical camera ids are passed, then they will also use the
		* same settings template. Requests containing individual physical camera
		* settings can be passed only to {@link CameraCaptureSession#capture} or
		* {@link CameraCaptureSession#captureBurst} and not to
		* {@link CameraCaptureSession#setRepeatingRequest} or
		* {@link CameraCaptureSession#setRepeatingBurst}</p>
		*
		* @param templateType An enumeration selecting the use case for this request. Not all template
		* types are supported on every device. See the documentation for each template type for
		* details.
		* @param physicalCameraIdSet A set of physical camera ids that can be used to customize
		* the request for a specific physical camera.
		* @return a builder for a capture request, initialized with default
		* settings for that template, and no output streams
		*
		* @throws IllegalArgumentException if the templateType is not supported by
		* this device, or one of the physical id arguments matches with logical camera id.
		* @throws CameraAccessException if the camera device is no longer connected or has
		* encountered a fatal error
		* @throws IllegalStateException if the camera device has been closed
		*
		* @see #TEMPLATE_PREVIEW
		* @see #TEMPLATE_RECORD
		* @see #TEMPLATE_STILL_CAPTURE
		* @see #TEMPLATE_VIDEO_SNAPSHOT
		* @see #TEMPLATE_MANUAL
		* @see CaptureRequest.Builder#setKey
		* @see CaptureRequest.Builder#getKey
		*/
		@NonNull
		public CaptureRequest.Builder createCaptureRequest(@RequestTemplate int templateType,
		Set<String> physicalCameraIdSet) throws CameraAccessException {
		throw new UnsupportedOperationException("Subclasses must override this method");
		}

		/**
		* <p>Create a {@link CaptureRequest.Builder} for a new reprocess {@link CaptureRequest} from a
		* {@link TotalCaptureResult}.

core/java/android/hardware/camera2/CaptureRequest.java

+161 −23

Original line number	Diff line number	Diff line
		@@ -33,9 +33,11 @@ import android.view.Surface;

		import java.util.Collection;
		import java.util.Collections;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;

		import java.util.Set;

		/**
		* <p>An immutable package of settings and outputs needed to capture a single
		@@ -219,7 +221,11 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>

		private static final ArraySet<Surface> mEmptySurfaceSet = new ArraySet<Surface>();

		private final CameraMetadataNative mSettings;
		private String mLogicalCameraId;
		private CameraMetadataNative mLogicalCameraSettings;
		private final HashMap<String, CameraMetadataNative> mPhysicalCameraSettings =
		new HashMap<String, CameraMetadataNative>();

		private boolean mIsReprocess;
		// If this request is part of constrained high speed request list that was created by
		// {@link android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList}
		@@ -236,8 +242,6 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* Used by Binder to unparcel this object only.
		*/
		private CaptureRequest() {
		mSettings = new CameraMetadataNative();
		setNativeInstance(mSettings);
		mIsReprocess = false;
		mReprocessableSessionId = CameraCaptureSession.SESSION_ID_NONE;
		}
		@@ -249,8 +253,14 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		*/
		@SuppressWarnings("unchecked")
		private CaptureRequest(CaptureRequest source) {
		mSettings = new CameraMetadataNative(source.mSettings);
		setNativeInstance(mSettings);
		mLogicalCameraId = new String(source.mLogicalCameraId);
		for (Map.Entry<String, CameraMetadataNative> entry :
		source.mPhysicalCameraSettings.entrySet()) {
		mPhysicalCameraSettings.put(new String(entry.getKey()),
		new CameraMetadataNative(entry.getValue()));
		}
		mLogicalCameraSettings = mPhysicalCameraSettings.get(mLogicalCameraId);
		setNativeInstance(mLogicalCameraSettings);
		mSurfaceSet.addAll(source.mSurfaceSet);
		mIsReprocess = source.mIsReprocess;
		mIsPartOfCHSRequestList = source.mIsPartOfCHSRequestList;
		@@ -272,16 +282,35 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* reprocess capture request to the same session where
		* the {@link TotalCaptureResult}, used to create the reprocess
		* capture, came from.
		* @param logicalCameraId Camera Id of the actively open camera that instantiates the
		* Builder.
		*
		* @param physicalCameraIdSet A set of physical camera ids that can be used to customize
		* the request for a specific physical camera.
		*
		* @throws IllegalArgumentException If creating a reprocess capture request with an invalid
		* reprocessableSessionId.
		* reprocessableSessionId, or multiple physical cameras.
		*
		* @see CameraDevice#createReprocessCaptureRequest
		*/
		private CaptureRequest(CameraMetadataNative settings, boolean isReprocess,
		int reprocessableSessionId) {
		mSettings = CameraMetadataNative.move(settings);
		setNativeInstance(mSettings);
		int reprocessableSessionId, String logicalCameraId, Set<String> physicalCameraIdSet) {
		if ((physicalCameraIdSet != null) && isReprocess) {
		throw new IllegalArgumentException("Create a reprocess capture request with " +
		"with more than one physical camera is not supported!");
		}

		mLogicalCameraId = logicalCameraId;
		mLogicalCameraSettings = CameraMetadataNative.move(settings);
		mPhysicalCameraSettings.put(mLogicalCameraId, mLogicalCameraSettings);
		if (physicalCameraIdSet != null) {
		for (String physicalId : physicalCameraIdSet) {
		mPhysicalCameraSettings.put(physicalId, new CameraMetadataNative(
		mLogicalCameraSettings));
		}
		}

		setNativeInstance(mLogicalCameraSettings);
		mIsReprocess = isReprocess;
		if (isReprocess) {
		if (reprocessableSessionId == CameraCaptureSession.SESSION_ID_NONE) {
		@@ -309,7 +338,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		*/
		@Nullable
		public <T> T get(Key<T> key) {
		return mSettings.get(key);
		return mLogicalCameraSettings.get(key);
		}

		/**
		@@ -319,7 +348,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		@SuppressWarnings("unchecked")
		@Override
		protected <T> T getProtected(Key<?> key) {
		return (T) mSettings.get(key);
		return (T) mLogicalCameraSettings.get(key);
		}

		/**
		@@ -403,7 +432,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* @hide
		*/
		public CameraMetadataNative getNativeCopy() {
		return new CameraMetadataNative(mSettings);
		return new CameraMetadataNative(mLogicalCameraSettings);
		}

		/**
		@@ -444,14 +473,16 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		return other != null
		&& Objects.equals(mUserTag, other.mUserTag)
		&& mSurfaceSet.equals(other.mSurfaceSet)
		&& mSettings.equals(other.mSettings)
		&& mPhysicalCameraSettings.equals(other.mPhysicalCameraSettings)
		&& mLogicalCameraId.equals(other.mLogicalCameraId)
		&& mLogicalCameraSettings.equals(other.mLogicalCameraSettings)
		&& mIsReprocess == other.mIsReprocess
		&& mReprocessableSessionId == other.mReprocessableSessionId;
		}

		@Override
		public int hashCode() {
		return HashCodeHelpers.hashCodeGeneric(mSettings, mSurfaceSet, mUserTag);
		return HashCodeHelpers.hashCodeGeneric(mPhysicalCameraSettings, mSurfaceSet, mUserTag);
		}

		public static final Parcelable.Creator<CaptureRequest> CREATOR =
		@@ -479,8 +510,25 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* @hide
		*/
		private void readFromParcel(Parcel in) {
		mSettings.readFromParcel(in);
		setNativeInstance(mSettings);
		int physicalCameraCount = in.readInt();
		if (physicalCameraCount <= 0) {
		throw new RuntimeException("Physical camera count" + physicalCameraCount +
		" should always be positive");
		}

		//Always start with the logical camera id
		mLogicalCameraId = in.readString();
		mLogicalCameraSettings = new CameraMetadataNative();
		mLogicalCameraSettings.readFromParcel(in);
		setNativeInstance(mLogicalCameraSettings);
		mPhysicalCameraSettings.put(mLogicalCameraId, mLogicalCameraSettings);
		for (int i = 1; i < physicalCameraCount; i++) {
		String physicalId = in.readString();
		CameraMetadataNative physicalCameraSettings = new CameraMetadataNative();
		physicalCameraSettings.readFromParcel(in);
		mPhysicalCameraSettings.put(physicalId, physicalCameraSettings);
		}

		mIsReprocess = (in.readInt() == 0) ? false : true;
		mReprocessableSessionId = CameraCaptureSession.SESSION_ID_NONE;

		@@ -509,7 +557,19 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>

		@Override
		public void writeToParcel(Parcel dest, int flags) {
		mSettings.writeToParcel(dest, flags);
		int physicalCameraCount = mPhysicalCameraSettings.size();
		dest.writeInt(physicalCameraCount);
		//Logical camera id and settings always come first.
		dest.writeString(mLogicalCameraId);
		mLogicalCameraSettings.writeToParcel(dest, flags);
		for (Map.Entry<String, CameraMetadataNative> entry : mPhysicalCameraSettings.entrySet()) {
		if (entry.getKey().equals(mLogicalCameraId)) {
		continue;
		}
		dest.writeString(entry.getKey());
		entry.getValue().writeToParcel(dest, flags);
		}

		dest.writeInt(mIsReprocess ? 1 : 0);

		synchronized (mSurfacesLock) {
		@@ -541,6 +601,14 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		return Collections.unmodifiableCollection(mSurfaceSet);
		}

		/**
		* Retrieves the logical camera id.
		* @hide
		*/
		public String getLogicalCameraId() {
		return mLogicalCameraId;
		}

		/**
		* @hide
		*/
		@@ -633,14 +701,20 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* submits a reprocess capture request to the same session
		* where the {@link TotalCaptureResult}, used to create the
		* reprocess capture, came from.
		* @param logicalCameraId Camera Id of the actively open camera that instantiates the
		* Builder.
		* @param physicalCameraIdSet A set of physical camera ids that can be used to customize
		* the request for a specific physical camera.
		*
		* @throws IllegalArgumentException If creating a reprocess capture request with an invalid
		* reprocessableSessionId.
		* @hide
		*/
		public Builder(CameraMetadataNative template, boolean reprocess,
		int reprocessableSessionId) {
		mRequest = new CaptureRequest(template, reprocess, reprocessableSessionId);
		int reprocessableSessionId, String logicalCameraId,
		Set<String> physicalCameraIdSet) {
		mRequest = new CaptureRequest(template, reprocess, reprocessableSessionId,
		logicalCameraId, physicalCameraIdSet);
		}

		/**
		@@ -682,7 +756,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* type to the key.
		*/
		public <T> void set(@NonNull Key<T> key, T value) {
		mRequest.mSettings.set(key, value);
		mRequest.mLogicalCameraSettings.set(key, value);
		}

		/**
		@@ -696,7 +770,71 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		*/
		@Nullable
		public <T> T get(Key<T> key) {
		return mRequest.mSettings.get(key);
		return mRequest.mLogicalCameraSettings.get(key);
		}

		/**
		* Set a capture request field to a value. The field definitions can be
		* found in {@link CaptureRequest}.
		*
		* <p>Setting a field to {@code null} will remove that field from the capture request.
		* Unless the field is optional, removing it will likely produce an error from the camera
		* device when the request is submitted.</p>
		*
		*<p>This method can be called for logical camera devices, which are devices that have
		* REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA capability and calls to
		* {@link CameraCharacteristics#getPhysicalCameraIds} return a non-empty list of
		* physical devices that are backing the logical camera. The camera Id included in the
		* 'physicalCameraId' argument selects an individual physical device that will receive
		* the customized capture request field.</p>
		*
		* @throws IllegalArgumentException if the physical camera id is not valid
		*
		* @param key The metadata field to write.
		* @param value The value to set the field to, which must be of a matching
		* @param physicalCameraId A valid physical camera Id. The valid camera Ids can be obtained
		* via calls to {@link CameraCharacteristics#getPhysicalCameraIds}.
		* @return The builder object.
		* type to the key.
		*/
		public <T> Builder setPhysicalCameraKey(@NonNull Key<T> key, T value,
		@NonNull String physicalCameraId) {
		if (!mRequest.mPhysicalCameraSettings.containsKey(physicalCameraId)) {
		throw new IllegalArgumentException("Physical camera id: " + physicalCameraId +
		" is not valid!");
		}

		mRequest.mPhysicalCameraSettings.get(physicalCameraId).set(key, value);

		return this;
		}

		/**
		* Get a capture request field value for a specific physical camera Id. The field
		* definitions can be found in {@link CaptureRequest}.
		*
		*<p>This method can be called for logical camera devices, which are devices that have
		* REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA capability and calls to
		* {@link CameraCharacteristics#getPhysicalCameraIds} return a non-empty list of
		* physical devices that are backing the logical camera. The camera Id included in the
		* 'physicalCameraId' argument selects an individual physical device and returns
		* its specific capture request field.</p>
		*
		* @throws IllegalArgumentException if the key or physical camera id were not valid
		*
		* @param key The metadata field to read.
		* @param physicalCameraId A valid physical camera Id. The valid camera Ids can be obtained
		* via calls to {@link CameraCharacteristics#getPhysicalCameraIds}.
		* @return The value of that key, or {@code null} if the field is not set.
		*/
		@Nullable
		public <T> T getPhysicalCameraKey(Key<T> key,@NonNull String physicalCameraId) {
		if (!mRequest.mPhysicalCameraSettings.containsKey(physicalCameraId)) {
		throw new IllegalArgumentException("Physical camera id: " + physicalCameraId +
		" is not valid!");
		}

		return mRequest.mPhysicalCameraSettings.get(physicalCameraId).get(key);
		}

		/**
		@@ -748,7 +886,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		* @hide
		*/
		public boolean isEmpty() {
		return mRequest.mSettings.isEmpty();
		return mRequest.mLogicalCameraSettings.isEmpty();
		}

		}

core/java/android/hardware/camera2/impl/CameraConstrainedHighSpeedCaptureSessionImpl.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -94,8 +94,8 @@ public class CameraConstrainedHighSpeedCaptureSessionImpl
		// Note that after this step, the requestMetadata is mutated (swapped) and can not be used
		// for next request builder creation.
		CaptureRequest.Builder singleTargetRequestBuilder = new CaptureRequest.Builder(
		requestMetadata, /reprocess/false, CameraCaptureSession.SESSION_ID_NONE);

		requestMetadata, /reprocess/false, CameraCaptureSession.SESSION_ID_NONE,
		request.getLogicalCameraId(), /physicalCameraIdSet/ null);
		// Carry over userTag, as native metadata doesn't have this field.
		singleTargetRequestBuilder.setTag(request.getTag());

		@@ -120,7 +120,8 @@ public class CameraConstrainedHighSpeedCaptureSessionImpl
		// CaptureRequest.Builder creation.
		requestMetadata = new CameraMetadataNative(request.getNativeCopy());
		doubleTargetRequestBuilder = new CaptureRequest.Builder(
		requestMetadata, /reprocess/false, CameraCaptureSession.SESSION_ID_NONE);
		requestMetadata, /reprocess/false, CameraCaptureSession.SESSION_ID_NONE,
		request.getLogicalCameraId(), /physicalCameraIdSet/null);
		doubleTargetRequestBuilder.setTag(request.getTag());
		doubleTargetRequestBuilder.set(CaptureRequest.CONTROL_CAPTURE_INTENT,
		CaptureRequest.CONTROL_CAPTURE_INTENT_VIDEO_RECORD);