Camera: Enable batching for constrained high speed recording (ae10eb9f) · Commits · e / os / android_frameworks_base

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

+116 −17

Original line number	Diff line number	Diff line
		@@ -100,6 +100,8 @@ public class CameraDeviceImpl extends CameraDevice
		private final CameraCharacteristics mCharacteristics;
		private final int mTotalPartialCount;

		private static final long NANO_PER_SECOND = 1000000000; //ns

		/**
		* A list tracking request and its expected last regular frame number and last reprocess frame
		* number. Updated when calling ICameraDeviceUser methods.
		@@ -1239,6 +1241,14 @@ public class CameraDeviceImpl extends CameraDevice
		private final List<CaptureRequest> mRequestList;
		private final Handler mHandler;
		private final int mSessionId;
		/**
		* <p>Determine if the callback holder is for a constrained high speed request list that
		* expects batched capture results. Capture results will be batched if the request list
		* is interleaved with preview and video requests. Capture results won't be batched if the
		* request list only contains preview requests, or if the request doesn't belong to a
		* constrained high speed list.
		*/
		private final boolean mHasBatchedOutputs;

		CaptureCallbackHolder(CaptureCallback callback, List<CaptureRequest> requestList,
		Handler handler, boolean repeating, int sessionId) {
		@@ -1251,6 +1261,25 @@ public class CameraDeviceImpl extends CameraDevice
		mRequestList = new ArrayList<CaptureRequest>(requestList);
		mCallback = callback;
		mSessionId = sessionId;

		// Check whether this callback holder is for batched outputs.
		// The logic here should match createHighSpeedRequestList.
		boolean hasBatchedOutputs = true;
		for (int i = 0; i < requestList.size(); i++) {
		CaptureRequest request = requestList.get(i);
		if (!request.isPartOfCRequestList()) {
		hasBatchedOutputs = false;
		break;
		}
		if (i == 0) {
		Collection<Surface> targets = request.getTargets();
		if (targets.size() != 2) {
		hasBatchedOutputs = false;
		break;
		}
		}
		}
		mHasBatchedOutputs = hasBatchedOutputs;
		}

		public boolean isRepeating() {
		@@ -1288,6 +1317,14 @@ public class CameraDeviceImpl extends CameraDevice
		public int getSessionId() {
		return mSessionId;
		}

		public int getRequestCount() {
		return mRequestList.size();
		}

		public boolean hasBatchedOutputs() {
		return mHasBatchedOutputs;
		}
		}

		/**
		@@ -1777,12 +1814,29 @@ public class CameraDeviceImpl extends CameraDevice
		@Override
		public void run() {
		if (!CameraDeviceImpl.this.isClosed()) {
		final int subsequenceId = resultExtras.getSubsequenceId();
		final CaptureRequest request = holder.getRequest(subsequenceId);

		if (holder.hasBatchedOutputs()) {
		// Send derived onCaptureStarted for requests within the batch
		final Range<Integer> fpsRange =
		request.get(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE);
		for (int i = 0; i < holder.getRequestCount(); i++) {
		holder.getCallback().onCaptureStarted(
		CameraDeviceImpl.this,
		holder.getRequest(i),
		timestamp - (subsequenceId - i) *
		NANO_PER_SECOND/fpsRange.getUpper(),
		frameNumber - (subsequenceId - i));
		}
		} else {
		holder.getCallback().onCaptureStarted(
		CameraDeviceImpl.this,
		holder.getRequest(resultExtras.getSubsequenceId()),
		timestamp, frameNumber);
		}
		}
		}
		});

		}
		@@ -1845,46 +1899,91 @@ public class CameraDeviceImpl extends CameraDevice
		Runnable resultDispatch = null;

		CaptureResult finalResult;
		// Make a copy of the native metadata before it gets moved to a CaptureResult
		// object.
		final CameraMetadataNative resultCopy;
		if (holder.hasBatchedOutputs()) {
		resultCopy = new CameraMetadataNative(result);
		} else {
		resultCopy = null;
		}

		// Either send a partial result or the final capture completed result
		if (isPartialResult) {
		final CaptureResult resultAsCapture =
		new CaptureResult(result, request, resultExtras);

		// Partial result
		resultDispatch = new Runnable() {
		@Override
		public void run() {
		if (!CameraDeviceImpl.this.isClosed()) {
		if (holder.hasBatchedOutputs()) {
		// Send derived onCaptureProgressed for requests within
		// the batch.
		for (int i = 0; i < holder.getRequestCount(); i++) {
		CameraMetadataNative resultLocal =
		new CameraMetadataNative(resultCopy);
		CaptureResult resultInBatch = new CaptureResult(
		resultLocal, holder.getRequest(i), resultExtras);

		holder.getCallback().onCaptureProgressed(
		CameraDeviceImpl.this,
		holder.getRequest(i),
		resultInBatch);
		}
		} else {
		holder.getCallback().onCaptureProgressed(
		CameraDeviceImpl.this,
		request,
		resultAsCapture);
		}
		}
		}
		};

		finalResult = resultAsCapture;
		} else {
		List<CaptureResult> partialResults =
		mFrameNumberTracker.popPartialResults(frameNumber);

		final long sensorTimestamp =
		result.get(CaptureResult.SENSOR_TIMESTAMP);
		final Range<Integer> fpsRange =
		request.get(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE);
		final int subsequenceId = resultExtras.getSubsequenceId();
		final TotalCaptureResult resultAsCapture = new TotalCaptureResult(result,
		request, resultExtras, partialResults, holder.getSessionId());

		// Final capture result
		resultDispatch = new Runnable() {
		@Override
		public void run() {
		if (!CameraDeviceImpl.this.isClosed()){
		if (holder.hasBatchedOutputs()) {
		// Send derived onCaptureCompleted for requests within
		// the batch.
		for (int i = 0; i < holder.getRequestCount(); i++) {
		resultCopy.set(CaptureResult.SENSOR_TIMESTAMP,
		sensorTimestamp - (subsequenceId - i) *
		NANO_PER_SECOND/fpsRange.getUpper());
		CameraMetadataNative resultLocal =
		new CameraMetadataNative(resultCopy);
		TotalCaptureResult resultInBatch = new TotalCaptureResult(
		resultLocal, holder.getRequest(i), resultExtras,
		partialResults, holder.getSessionId());

		holder.getCallback().onCaptureCompleted(
		CameraDeviceImpl.this,
		holder.getRequest(i),
		resultInBatch);
		}
		} else {
		holder.getCallback().onCaptureCompleted(
		CameraDeviceImpl.this,
		request,
		resultAsCapture);
		}
		}
		}
		};

		finalResult = resultAsCapture;
		}