Camera: Signal when all Hal requested buffers return
Depending on timing 'waitForBuffersReturned' can be
called before all Hal requested buffer are able to return.
To avoid potential timeout, check for any outstanding buffers
and signal accordingly before returning from 'returnStreamBuffers'.
Bug: 144308932
Test: adb shell /system/bin/VtsHalCameraProviderV2_4TargetTest
--hal_service_instance=android.hardware.camera.provider@2.4::ICameraProvider/internal/0
Change-Id: Idb3d8bd6fdbdfe0798c38a1b83c17f1a8379738e
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 49f9fe1..6505440 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -1494,7 +1494,7 @@
ADD_FAILURE();
}
- std::lock_guard<std::mutex> l(mLock);
+ std::unique_lock<std::mutex> l(mLock);
for (const auto& buf : buffers) {
bool found = false;
for (size_t idx = 0; idx < mOutstandingBufferIds.size(); idx++) {
@@ -1514,6 +1514,10 @@
ALOGE("%s: unknown buffer ID %" PRIu64, __FUNCTION__, buf.bufferId);
ADD_FAILURE();
}
+ if (!hasOutstandingBuffersLocked()) {
+ l.unlock();
+ mFlushedCondition.notify_one();
+ }
return Void();
}