[AIDL CTS] Fix visualizer cts issue with AIDL effects
1. Mapping VISUALIZER_CMD_CAPTURE command correctly with handler
2. Capture silent data when inactive Visualizer receive capture command
Bug: 270155119
Test: enable aidl and
atest CtsMediaAudioTestCases:android.media.audio.cts.VisualizerTest
Change-Id: Ic37e4c7e0b66af662381a187064974d56e5cc48e
diff --git a/media/libeffects/visualizer/aidl/VisualizerContext.cpp b/media/libeffects/visualizer/aidl/VisualizerContext.cpp
index 4405407..5bf22f2 100644
--- a/media/libeffects/visualizer/aidl/VisualizerContext.cpp
+++ b/media/libeffects/visualizer/aidl/VisualizerContext.cpp
@@ -191,9 +191,15 @@
std::vector<uint8_t> VisualizerContext::capture() {
std::vector<uint8_t> result;
std::lock_guard lg(mMutex);
- RETURN_VALUE_IF(mState != State::ACTIVE, result, "illegalState");
- const uint32_t deltaMs = getDeltaTimeMsFromUpdatedTime_l();
+ // cts android.media.audio.cts.VisualizerTest expecting silence data when effect not running
+ // RETURN_VALUE_IF(mState != State::ACTIVE, result, "illegalState");
+ if (mState != State::ACTIVE) {
+ result.resize(mCaptureSamples);
+ memset(result.data(), 0x80, mCaptureSamples);
+ return result;
+ }
+ const uint32_t deltaMs = getDeltaTimeMsFromUpdatedTime_l();
// if audio framework has stopped playing audio although the effect is still active we must
// clear the capture buffer to return silence
if ((mLastCaptureIdx == mCaptureIdx) && (mBufferUpdateTime.tv_sec != 0) &&
diff --git a/media/libeffects/visualizer/aidl/VisualizerContext.h b/media/libeffects/visualizer/aidl/VisualizerContext.h
index 3cb711e..958035f 100644
--- a/media/libeffects/visualizer/aidl/VisualizerContext.h
+++ b/media/libeffects/visualizer/aidl/VisualizerContext.h
@@ -83,7 +83,7 @@
uint32_t mLastCaptureIdx GUARDED_BY(mMutex) = 0;
Visualizer::ScalingMode mScalingMode GUARDED_BY(mMutex) = Visualizer::ScalingMode::NORMALIZED;
struct timespec mBufferUpdateTime GUARDED_BY(mMutex);
- // capture buf with 8 bits PCM
+ // capture buf with 8 bits mono PCM samples
std::array<uint8_t, kMaxCaptureBufSize> mCaptureBuf GUARDED_BY(mMutex);
uint32_t mDownstreamLatency GUARDED_BY(mMutex) = 0;
uint32_t mCaptureSamples GUARDED_BY(mMutex) = kMaxCaptureBufSize;