audiorecord_tests: Fix remaining threading issues
Protect access to shared variables. Also, add waiting
for receiving of asynchronous updates.
Bug: 329528237
Bug: 348658586
Test: atest --iterations=100 --test-filter="*TestGetSetMarker*" audiorecord_tests
Change-Id: I240f003427f0aadccc73a3df358ac81e2759cc6d
diff --git a/media/libaudioclient/tests/audio_test_utils.cpp b/media/libaudioclient/tests/audio_test_utils.cpp
index 745c7d1..1599839 100644
--- a/media/libaudioclient/tests/audio_test_utils.cpp
+++ b/media/libaudioclient/tests/audio_test_utils.cpp
@@ -294,6 +294,7 @@
ts.getBestTimestamp(&position, &timeNs, ExtendedTimestamp::TIMEBASE_MONOTONIC, &location) ==
OK) {
// Use audio timestamp.
+ std::lock_guard l(mMutex);
timeUs = timeNs / 1000 -
(position - mNumFramesReceived + mNumFramesLost) * usPerSec / mSampleRate;
} else {
@@ -322,6 +323,7 @@
} else {
numLostBytes = 0;
}
+ std::lock_guard l(mMutex);
const int64_t timestampUs =
((1000000LL * mNumFramesReceived) + (mRecord->getSampleRate() >> 1)) /
mRecord->getSampleRate();
@@ -335,6 +337,7 @@
if (buffer.size() == 0) {
ALOGW("Nothing is available from AudioRecord callback buffer");
} else {
+ std::lock_guard l(mMutex);
const size_t bufferSize = buffer.size();
const int64_t timestampUs =
((1000000LL * mNumFramesReceived) + (mRecord->getSampleRate() >> 1)) /
@@ -359,17 +362,24 @@
void AudioCapture::onOverrun() {
ALOGV("received event overrun");
- mBufferOverrun = true;
}
void AudioCapture::onMarker(uint32_t markerPosition) {
ALOGV("received Callback at position %d", markerPosition);
- mReceivedCbMarkerAtPosition = markerPosition;
+ {
+ std::lock_guard l(mMutex);
+ mReceivedCbMarkerAtPosition = markerPosition;
+ }
+ mMarkerCondition.notify_all();
}
void AudioCapture::onNewPos(uint32_t markerPosition) {
ALOGV("received Callback at position %d", markerPosition);
- mReceivedCbMarkerCount++;
+ {
+ std::lock_guard l(mMutex);
+ mReceivedCbMarkerCount = mReceivedCbMarkerCount.value_or(0) + 1;
+ }
+ mMarkerCondition.notify_all();
}
void AudioCapture::onNewIAudioRecord() {
@@ -387,20 +397,7 @@
mFlags(flags),
mSessionId(sessionId),
mTransferType(transferType),
- mAttributes(attributes) {
- mFrameCount = 0;
- mNotificationFrames = 0;
- mNumFramesToRecord = 0;
- mNumFramesReceived = 0;
- mNumFramesLost = 0;
- mBufferOverrun = false;
- mMarkerPosition = 0;
- mMarkerPeriod = 0;
- mReceivedCbMarkerAtPosition = -1;
- mReceivedCbMarkerCount = 0;
- mState = REC_NO_INIT;
- mStopRecording = false;
-}
+ mAttributes(attributes) {}
AudioCapture::~AudioCapture() {
if (mOutFileFd > 0) close(mOutFileFd);
@@ -531,25 +528,32 @@
const int maxTries = MAX_WAIT_TIME_MS / WAIT_PERIOD_MS;
int counter = 0;
size_t nonContig = 0;
- while (mNumFramesReceived < mNumFramesToRecord) {
+ int64_t numFramesReceived;
+ {
+ std::lock_guard l(mMutex);
+ numFramesReceived = mNumFramesReceived;
+ }
+ while (numFramesReceived < mNumFramesToRecord) {
AudioRecord::Buffer recordBuffer;
recordBuffer.frameCount = mNotificationFrames;
status_t status = mRecord->obtainBuffer(&recordBuffer, 1, &nonContig);
if (OK == status) {
const int64_t timestampUs =
- ((1000000LL * mNumFramesReceived) + (mRecord->getSampleRate() >> 1)) /
+ ((1000000LL * numFramesReceived) + (mRecord->getSampleRate() >> 1)) /
mRecord->getSampleRate();
RawBuffer buff{-1, timestampUs, static_cast<int32_t>(recordBuffer.size())};
memcpy(buff.mData.get(), recordBuffer.data(), recordBuffer.size());
buffer = std::move(buff);
- mNumFramesReceived += recordBuffer.size() / mRecord->frameSize();
+ numFramesReceived += recordBuffer.size() / mRecord->frameSize();
mRecord->releaseBuffer(&recordBuffer);
counter = 0;
} else if (WOULD_BLOCK == status) {
// if not received a buffer for MAX_WAIT_TIME_MS, something has gone wrong
- if (counter == maxTries) return TIMED_OUT;
- counter++;
+ if (counter++ == maxTries) status = TIMED_OUT;
}
+ std::lock_guard l(mMutex);
+ mNumFramesReceived = numFramesReceived;
+ if (TIMED_OUT == status) return status;
}
return OK;
}
@@ -577,7 +581,12 @@
status_t AudioCapture::audioProcess() {
RawBuffer buffer;
status_t status = OK;
- while (mNumFramesReceived < mNumFramesToRecord && status == OK) {
+ int64_t numFramesReceived;
+ {
+ std::lock_guard l(mMutex);
+ numFramesReceived = mNumFramesReceived;
+ }
+ while (numFramesReceived < mNumFramesToRecord && status == OK) {
if (mTransferType == AudioRecord::TRANSFER_CALLBACK)
status = obtainBufferCb(buffer);
else
@@ -586,10 +595,52 @@
const char* ptr = static_cast<const char*>(static_cast<void*>(buffer.mData.get()));
write(mOutFileFd, ptr, buffer.mCapacity);
}
+ std::lock_guard l(mMutex);
+ numFramesReceived = mNumFramesReceived;
}
return OK;
}
+uint32_t AudioCapture::getMarkerPeriod() const {
+ std::lock_guard l(mMutex);
+ return mMarkerPeriod;
+}
+
+uint32_t AudioCapture::getMarkerPosition() const {
+ std::lock_guard l(mMutex);
+ return mMarkerPosition;
+}
+
+void AudioCapture::setMarkerPeriod(uint32_t markerPeriod) {
+ std::lock_guard l(mMutex);
+ mMarkerPeriod = markerPeriod;
+}
+
+void AudioCapture::setMarkerPosition(uint32_t markerPosition) {
+ std::lock_guard l(mMutex);
+ mMarkerPosition = markerPosition;
+}
+
+uint32_t AudioCapture::waitAndGetReceivedCbMarkerAtPosition() const {
+ std::unique_lock lock(mMutex);
+ android::base::ScopedLockAssertion lock_assertion(mMutex);
+ mMarkerCondition.wait_for(lock, std::chrono::seconds(3), [this]() {
+ android::base::ScopedLockAssertion lock_assertion(mMutex);
+ return mReceivedCbMarkerAtPosition.has_value();
+ });
+ return mReceivedCbMarkerAtPosition.value_or(~0);
+}
+
+uint32_t AudioCapture::waitAndGetReceivedCbMarkerCount() const {
+ std::unique_lock lock(mMutex);
+ android::base::ScopedLockAssertion lock_assertion(mMutex);
+ mMarkerCondition.wait_for(lock, std::chrono::seconds(3), [this]() {
+ android::base::ScopedLockAssertion lock_assertion(mMutex);
+ return mReceivedCbMarkerCount.has_value();
+ });
+ return mReceivedCbMarkerCount.value_or(0);
+}
+
status_t listAudioPorts(std::vector<audio_port_v7>& portsVec) {
int attempts = 5;
status_t status;
diff --git a/media/libaudioclient/tests/audio_test_utils.h b/media/libaudioclient/tests/audio_test_utils.h
index 40c3365..022ecf3 100644
--- a/media/libaudioclient/tests/audio_test_utils.h
+++ b/media/libaudioclient/tests/audio_test_utils.h
@@ -146,8 +146,8 @@
~AudioCapture();
size_t onMoreData(const AudioRecord::Buffer& buffer) override EXCLUDES(mMutex);
void onOverrun() override;
- void onMarker(uint32_t markerPosition) override;
- void onNewPos(uint32_t newPos) override;
+ void onMarker(uint32_t markerPosition) override EXCLUDES(mMutex);
+ void onNewPos(uint32_t newPos) override EXCLUDES(mMutex);
void onNewIAudioRecord() override;
status_t create();
status_t setRecordDuration(float durationInSec);
@@ -157,20 +157,19 @@
status_t start(AudioSystem::sync_event_t event = AudioSystem::SYNC_EVENT_NONE,
audio_session_t triggerSession = AUDIO_SESSION_NONE);
status_t obtainBufferCb(RawBuffer& buffer) EXCLUDES(mMutex);
- status_t obtainBuffer(RawBuffer& buffer);
- status_t audioProcess();
+ status_t obtainBuffer(RawBuffer& buffer) EXCLUDES(mMutex);
+ status_t audioProcess() EXCLUDES(mMutex);
status_t stop() EXCLUDES(mMutex);
+ uint32_t getMarkerPeriod() const EXCLUDES(mMutex);
+ uint32_t getMarkerPosition() const EXCLUDES(mMutex);
+ void setMarkerPeriod(uint32_t markerPeriod) EXCLUDES(mMutex);
+ void setMarkerPosition(uint32_t markerPosition) EXCLUDES(mMutex);
+ uint32_t waitAndGetReceivedCbMarkerAtPosition() const EXCLUDES(mMutex);
+ uint32_t waitAndGetReceivedCbMarkerCount() const EXCLUDES(mMutex);
- uint32_t mFrameCount;
- uint32_t mNotificationFrames;
- int64_t mNumFramesToRecord;
- int64_t mNumFramesReceived;
- int64_t mNumFramesLost;
- uint32_t mMarkerPosition;
- uint32_t mMarkerPeriod;
- uint32_t mReceivedCbMarkerAtPosition;
- uint32_t mReceivedCbMarkerCount;
- bool mBufferOverrun;
+ uint32_t mFrameCount = 0;
+ uint32_t mNotificationFrames = 0;
+ int64_t mNumFramesToRecord = 0;
enum State {
REC_NO_INIT,
@@ -191,14 +190,23 @@
size_t mMaxBytesPerCallback = 2048;
sp<AudioRecord> mRecord;
- State mState;
- bool mStopRecording GUARDED_BY(mMutex);
+ State mState = REC_NO_INIT;
+ bool mStopRecording GUARDED_BY(mMutex) = false;
std::string mFileName;
int mOutFileFd = -1;
mutable std::mutex mMutex;
std::condition_variable mCondition;
std::deque<RawBuffer> mBuffersReceived GUARDED_BY(mMutex);
+
+ mutable std::condition_variable mMarkerCondition;
+ uint32_t mMarkerPeriod GUARDED_BY(mMutex) = 0;
+ uint32_t mMarkerPosition GUARDED_BY(mMutex) = 0;
+ std::optional<uint32_t> mReceivedCbMarkerCount GUARDED_BY(mMutex);
+ std::optional<uint32_t> mReceivedCbMarkerAtPosition GUARDED_BY(mMutex);
+
+ int64_t mNumFramesReceived GUARDED_BY(mMutex) = 0;
+ int64_t mNumFramesLost GUARDED_BY(mMutex) = 0;
};
#endif // AUDIO_TEST_UTILS_H_
diff --git a/media/libaudioclient/tests/audiorecord_tests.cpp b/media/libaudioclient/tests/audiorecord_tests.cpp
index d122508..68b0e7b 100644
--- a/media/libaudioclient/tests/audiorecord_tests.cpp
+++ b/media/libaudioclient/tests/audiorecord_tests.cpp
@@ -83,7 +83,10 @@
}
void TearDown() override {
- if (mAC) ASSERT_EQ(OK, mAC->stop());
+ if (mAC) {
+ ASSERT_EQ(OK, mAC->stop());
+ mAC.clear();
+ }
}
};
@@ -149,33 +152,33 @@
}
TEST_F(AudioRecordTest, TestGetSetMarker) {
- mAC->mMarkerPosition = (mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1);
- EXPECT_EQ(OK, mAC->getAudioRecordHandle()->setMarkerPosition(mAC->mMarkerPosition))
+ mAC->setMarkerPosition((mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1));
+ EXPECT_EQ(OK, mAC->getAudioRecordHandle()->setMarkerPosition(mAC->getMarkerPosition()))
<< "setMarkerPosition() failed";
uint32_t marker;
EXPECT_EQ(OK, mAC->getAudioRecordHandle()->getMarkerPosition(&marker))
<< "getMarkerPosition() failed";
EXPECT_EQ(OK, mAC->start()) << "start recording failed";
EXPECT_EQ(OK, mAC->audioProcess()) << "audioProcess failed";
- // TODO(b/348658586): Properly synchronize callback updates with the test thread.
- EXPECT_EQ(marker, mAC->mMarkerPosition)
+ EXPECT_EQ(marker, mAC->getMarkerPosition())
<< "configured marker and received marker are different";
- EXPECT_EQ(mAC->mReceivedCbMarkerAtPosition, mAC->mMarkerPosition)
+ EXPECT_EQ(mAC->waitAndGetReceivedCbMarkerAtPosition(), mAC->getMarkerPosition())
<< "configured marker and received cb marker are different";
}
TEST_F(AudioRecordTest, TestGetSetMarkerPeriodical) {
- mAC->mMarkerPeriod = (mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1);
- EXPECT_EQ(OK, mAC->getAudioRecordHandle()->setPositionUpdatePeriod(mAC->mMarkerPeriod))
+ mAC->setMarkerPeriod((mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1));
+ EXPECT_EQ(OK, mAC->getAudioRecordHandle()->setPositionUpdatePeriod(mAC->getMarkerPeriod()))
<< "setPositionUpdatePeriod() failed";
uint32_t marker;
EXPECT_EQ(OK, mAC->getAudioRecordHandle()->getPositionUpdatePeriod(&marker))
<< "getPositionUpdatePeriod() failed";
EXPECT_EQ(OK, mAC->start()) << "start recording failed";
EXPECT_EQ(OK, mAC->audioProcess()) << "audioProcess failed";
- // TODO(b/348658586): Properly synchronize callback updates with the test thread.
- EXPECT_EQ(marker, mAC->mMarkerPeriod) << "configured marker and received marker are different";
- EXPECT_EQ(mAC->mReceivedCbMarkerCount, mAC->mNumFramesToRecord / mAC->mMarkerPeriod)
+ EXPECT_EQ(marker, mAC->getMarkerPeriod())
+ << "configured marker and received marker are different";
+ EXPECT_EQ(mAC->waitAndGetReceivedCbMarkerCount(),
+ mAC->mNumFramesToRecord / mAC->getMarkerPeriod())
<< "configured marker and received cb marker are different";
}
@@ -202,12 +205,12 @@
EXPECT_EQ(mSessionId, mAC->getAudioRecordHandle()->getSessionId());
if (mTransferType != AudioRecord::TRANSFER_CALLBACK) {
uint32_t marker;
- mAC->mMarkerPosition = (mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1);
+ mAC->setMarkerPosition((mAC->mNotificationFrames << 3) + (mAC->mNotificationFrames >> 1));
EXPECT_EQ(INVALID_OPERATION,
- mAC->getAudioRecordHandle()->setMarkerPosition(mAC->mMarkerPosition));
+ mAC->getAudioRecordHandle()->setMarkerPosition(mAC->getMarkerPosition()));
EXPECT_EQ(OK, mAC->getAudioRecordHandle()->getMarkerPosition(&marker));
EXPECT_EQ(INVALID_OPERATION,
- mAC->getAudioRecordHandle()->setPositionUpdatePeriod(mAC->mMarkerPosition));
+ mAC->getAudioRecordHandle()->setPositionUpdatePeriod(mAC->getMarkerPosition()));
EXPECT_EQ(OK, mAC->getAudioRecordHandle()->getPositionUpdatePeriod(&marker));
}
EXPECT_EQ(OK, mAC->start()) << "start recording failed";