Add FMQ support to camera2 SDK for metadata transfer
This CL adds support for CaptureResult metadata to be transferred over
FMQ instead of binder copies.
Bug: 362791857
Flag: com.android.internal.camera.flags.fmq_metadata
Test: GCA
Test: Perfetto profiling shows decreased cameraserver to client
onResultReceived latency
Change-Id: Ia8df1a4cef5008c06dc2ca4fdd319704d5e049ab
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
diff --git a/services/camera/libcameraservice/aidl/AidlCameraDeviceCallbacks.cpp b/services/camera/libcameraservice/aidl/AidlCameraDeviceCallbacks.cpp
index 70647b4..950ea05 100644
--- a/services/camera/libcameraservice/aidl/AidlCameraDeviceCallbacks.cpp
+++ b/services/camera/libcameraservice/aidl/AidlCameraDeviceCallbacks.cpp
@@ -174,11 +174,19 @@
}
binder::Status AidlCameraDeviceCallbacks::onResultReceived(
- const CameraMetadataNative& result,
+ const CameraMetadataInfo &resultInfo,
const UCaptureResultExtras& resultExtras,
const ::std::vector<UPhysicalCaptureResultInfo>& physicalCaptureResultInfos) {
// Wrap CameraMetadata, resultExtras and physicalCaptureResultInfos in on
// sp<RefBase>-able structure and post it.
+ // We modify metadata - since we want to filter out tags based on the vndk
+ // version, and also this communication is an in process function call.
+ // So we don't use FMQ for the shim layer. FMQ is still used for VNDK IPC.
+ if (resultInfo.getTag() != CameraMetadataInfo::metadata) {
+ ALOGE("Vendor callbacks got metadata in fmq ? ");
+ return binder::Status::ok();
+ }
+ const CameraMetadataNative &result = resultInfo.get<CameraMetadataInfo::metadata>();
sp<ResultWrapper> resultWrapper = new ResultWrapper(const_cast<CameraMetadataNative &>(result),
resultExtras, physicalCaptureResultInfos);
sp<AMessage> msg = new AMessage(kWhatResultReceived, mHandler);