Merge "Camera: Load initial session params speculatively" into pi-dev (96363281) · Commits · e / os / android_frameworks_av

services/camera/libcameraservice/device3/Camera3Device.cpp

+16 −1

Original line number	Diff line number	Diff line
		@@ -77,7 +77,8 @@ Camera3Device::Camera3Device(const String8 &id):
		mNextShutterFrameNumber(0),
		mNextReprocessShutterFrameNumber(0),
		mListener(NULL),
		mVendorTagId(CAMERA_METADATA_INVALID_VENDOR_ID)
		mVendorTagId(CAMERA_METADATA_INVALID_VENDOR_ID),
		mLastTemplateId(-1)
		{
		ATRACE_CALL();
		camera3_callback_ops::notify = &sNotify;
		@@ -1597,6 +1598,18 @@ status_t Camera3Device::configureStreams(const CameraMetadata& sessionParams, in
		Mutex::Autolock il(mInterfaceLock);
		Mutex::Autolock l(mLock);

		// In case the client doesn't include any session parameter, try a
		// speculative configuration using the values from the last cached
		// default request.
		if (sessionParams.isEmpty() &&
		((mLastTemplateId > 0) && (mLastTemplateId < CAMERA3_TEMPLATE_COUNT)) &&
		(!mRequestTemplateCache[mLastTemplateId].isEmpty())) {
		ALOGV("%s: Speculative session param configuration with template id: %d", __func__,
		mLastTemplateId);
		return filterParamsAndConfigureLocked(mRequestTemplateCache[mLastTemplateId],
		operatingMode);
		}

		return filterParamsAndConfigureLocked(sessionParams, operatingMode);
		}

		@@ -1673,6 +1686,7 @@ status_t Camera3Device::createDefaultRequest(int templateId,

		if (!mRequestTemplateCache[templateId].isEmpty()) {
		*request = mRequestTemplateCache[templateId];
		mLastTemplateId = templateId;
		return OK;
		}
		}
		@@ -1697,6 +1711,7 @@ status_t Camera3Device::createDefaultRequest(int templateId,
		mRequestTemplateCache[templateId].acquire(rawRequest);

		*request = mRequestTemplateCache[templateId];
		mLastTemplateId = templateId;
		}
		return OK;
		}

services/camera/libcameraservice/device3/Camera3Device.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -1191,6 +1191,9 @@ class Camera3Device :

		metadata_vendor_id_t mVendorTagId;

		// Cached last requested template id
		int mLastTemplateId;

		/**
		* Static callback forwarding methods from HAL to instance
		*/