Camera: Propagate all offline stream ids to clients
Camera clients must be aware of any configured streams
that can support offline processing mode.
A few corner cases that need to be considered:
- Composite streams can support offline mode only
when all internal streams support it as well.
- Streams that use the internal camera buffer manager
will not have support for offline mode.
- Shared streams are also unsupported in offline mode.
Bug: 135142453
Test: Camera CTS
Change-Id: Idde826a6fb18a8907850e87cfe593de7cb1c5f4a
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 0385a6f..23e26ce 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -5863,4 +5863,30 @@
// Java side to make sure the CameraCaptureSession is properly closed
}
+void Camera3Device::getOfflineStreamIds(std::vector<int> *offlineStreamIds) {
+ ATRACE_CALL();
+
+ if (offlineStreamIds == nullptr) {
+ return;
+ }
+
+ Mutex::Autolock il(mInterfaceLock);
+
+ auto streamIds = mOutputStreams.getStreamIds();
+ bool hasInputStream = mInputStream != nullptr;
+ if (hasInputStream && mInputStream->getOfflineProcessingSupport()) {
+ offlineStreamIds->push_back(mInputStream->getId());
+ }
+
+ for (const auto & streamId : streamIds) {
+ sp<camera3::Camera3OutputStreamInterface> stream = mOutputStreams.get(streamId);
+ // Streams that use the camera buffer manager are currently not supported in
+ // offline mode
+ if (stream->getOfflineProcessingSupport() &&
+ (stream->getStreamSetId() == CAMERA3_STREAM_SET_ID_INVALID)) {
+ offlineStreamIds->push_back(streamId);
+ }
+ }
+}
+
}; // namespace android