Enable clang-tidy in libaaudio.
Enabling clang-tidy could help find programming errors at compile time.
Bug: 186572209
Test: make, atest AAudioTests
Change-Id: If48282d10701df87b80a99e2a3d2199437189d70
diff --git a/media/libaaudio/src/client/AudioEndpoint.cpp b/media/libaaudio/src/client/AudioEndpoint.cpp
index 0a19d17..7427a8e 100644
--- a/media/libaaudio/src/client/AudioEndpoint.cpp
+++ b/media/libaaudio/src/client/AudioEndpoint.cpp
@@ -31,13 +31,6 @@
#define RIDICULOUSLY_LARGE_BUFFER_CAPACITY (256 * 1024)
#define RIDICULOUSLY_LARGE_FRAME_SIZE 4096
-AudioEndpoint::AudioEndpoint()
- : mFreeRunning(false)
- , mDataReadCounter(0)
- , mDataWriteCounter(0)
-{
-}
-
// TODO Consider moving to a method in RingBufferDescriptor
static aaudio_result_t AudioEndpoint_validateQueueDescriptor(const char *type,
const RingBufferDescriptor *descriptor) {
diff --git a/media/libaaudio/src/client/AudioEndpoint.h b/media/libaaudio/src/client/AudioEndpoint.h
index 4c8d60f..b3dbc20 100644
--- a/media/libaaudio/src/client/AudioEndpoint.h
+++ b/media/libaaudio/src/client/AudioEndpoint.h
@@ -34,7 +34,7 @@
class AudioEndpoint {
public:
- AudioEndpoint();
+ AudioEndpoint() = default;
/**
* Configure based on the EndPointDescriptor_t.
@@ -95,9 +95,9 @@
private:
std::unique_ptr<android::FifoBufferIndirect> mUpCommandQueue;
std::unique_ptr<android::FifoBufferIndirect> mDataQueue;
- bool mFreeRunning;
- android::fifo_counter_t mDataReadCounter; // only used if free-running
- android::fifo_counter_t mDataWriteCounter; // only used if free-running
+ bool mFreeRunning{false};
+ android::fifo_counter_t mDataReadCounter{0}; // only used if free-running
+ android::fifo_counter_t mDataWriteCounter{0}; // only used if free-running
};
} // namespace aaudio
diff --git a/media/libaaudio/src/client/AudioStreamInternal.cpp b/media/libaaudio/src/client/AudioStreamInternal.cpp
index dc961ad..2992e67 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternal.cpp
@@ -49,8 +49,6 @@
// This is needed to make sense of the logs more easily.
#define LOG_TAG (mInService ? "AudioStreamInternal_Service" : "AudioStreamInternal_Client")
-using android::Mutex;
-using android::WrappingBuffer;
using android::media::permission::Identity;
using namespace aaudio;
@@ -319,10 +317,10 @@
{
AudioStreamInternal *stream = (AudioStreamInternal *)context;
//LOGD("oboe_callback_thread, stream = %p", stream);
- if (stream != NULL) {
+ if (stream != nullptr) {
return stream->callbackLoop();
} else {
- return NULL;
+ return nullptr;
}
}
@@ -411,7 +409,7 @@
if (isDataCallbackSet()
&& (isActive() || getState() == AAUDIO_STREAM_STATE_DISCONNECTED)) {
mCallbackEnabled.store(false);
- aaudio_result_t result = joinThread_l(NULL); // may temporarily unlock mStreamLock
+ aaudio_result_t result = joinThread_l(nullptr); // may temporarily unlock mStreamLock
if (result == AAUDIO_ERROR_INVALID_HANDLE) {
ALOGD("%s() INVALID_HANDLE, stream was probably stolen", __func__);
result = AAUDIO_OK;
@@ -498,7 +496,7 @@
return result;
}
-aaudio_result_t AudioStreamInternal::getTimestamp(clockid_t clockId,
+aaudio_result_t AudioStreamInternal::getTimestamp(clockid_t /*clockId*/,
int64_t *framePosition,
int64_t *timeNanoseconds) {
// Generated in server and passed to client. Return latest.
diff --git a/media/libaaudio/src/client/AudioStreamInternal.h b/media/libaaudio/src/client/AudioStreamInternal.h
index fbe4c13..eab1382 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.h
+++ b/media/libaaudio/src/client/AudioStreamInternal.h
@@ -116,7 +116,7 @@
virtual void prepareBuffersForStart() {}
- virtual void advanceClientToMatchServerPosition(int32_t serverMargin = 0) = 0;
+ virtual void advanceClientToMatchServerPosition(int32_t serverMargin) = 0;
virtual void onFlushFromServer() {}
diff --git a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
index f4a40a8..5c8bdfc 100644
--- a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
@@ -46,8 +46,6 @@
}
-AudioStreamInternalCapture::~AudioStreamInternalCapture() {}
-
void AudioStreamInternalCapture::advanceClientToMatchServerPosition(int32_t serverMargin) {
int64_t readCounter = mAudioEndpoint->getDataReadCounter();
int64_t writeCounter = mAudioEndpoint->getDataWriteCounter() + serverMargin;
@@ -109,7 +107,7 @@
if (mNeedCatchUp.isRequested()) {
// Catch an MMAP pointer that is already advancing.
// This will avoid initial underruns caused by a slow cold start.
- advanceClientToMatchServerPosition();
+ advanceClientToMatchServerPosition(0 /*serverMargin*/);
mNeedCatchUp.acknowledge();
}
@@ -244,7 +242,7 @@
void *AudioStreamInternalCapture::callbackLoop() {
aaudio_result_t result = AAUDIO_OK;
aaudio_data_callback_result_t callbackResult = AAUDIO_CALLBACK_RESULT_CONTINUE;
- if (!isDataCallbackSet()) return NULL;
+ if (!isDataCallbackSet()) return nullptr;
// result might be a frame count
while (mCallbackEnabled.load() && isActive() && (result >= 0)) {
@@ -276,5 +274,5 @@
ALOGD("callbackLoop() exiting, result = %d, isActive() = %d",
result, (int) isActive());
- return NULL;
+ return nullptr;
}
diff --git a/media/libaaudio/src/client/AudioStreamInternalCapture.h b/media/libaaudio/src/client/AudioStreamInternalCapture.h
index 251a7f2..87017de 100644
--- a/media/libaaudio/src/client/AudioStreamInternalCapture.h
+++ b/media/libaaudio/src/client/AudioStreamInternalCapture.h
@@ -28,8 +28,9 @@
class AudioStreamInternalCapture : public AudioStreamInternal {
public:
- AudioStreamInternalCapture(AAudioServiceInterface &serviceInterface, bool inService = false);
- virtual ~AudioStreamInternalCapture();
+ explicit AudioStreamInternalCapture(AAudioServiceInterface &serviceInterface,
+ bool inService = false);
+ virtual ~AudioStreamInternalCapture() = default;
aaudio_result_t read(void *buffer,
int32_t numFrames,
@@ -45,7 +46,7 @@
}
protected:
- void advanceClientToMatchServerPosition(int32_t serverOffset = 0) override;
+ void advanceClientToMatchServerPosition(int32_t serverOffset) override;
/**
* Low level data processing that will not block. It will just read or write as much as it can.
diff --git a/media/libaaudio/src/client/AudioStreamInternalPlay.cpp b/media/libaaudio/src/client/AudioStreamInternalPlay.cpp
index 71bde90..5921799 100644
--- a/media/libaaudio/src/client/AudioStreamInternalPlay.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternalPlay.cpp
@@ -44,8 +44,6 @@
}
-AudioStreamInternalPlay::~AudioStreamInternalPlay() {}
-
constexpr int kRampMSec = 10; // time to apply a change in volume
aaudio_result_t AudioStreamInternalPlay::open(const AudioStreamBuilder &builder) {
@@ -115,7 +113,7 @@
}
void AudioStreamInternalPlay::onFlushFromServer() {
- advanceClientToMatchServerPosition();
+ advanceClientToMatchServerPosition(0 /*serverMargin*/);
}
// Write the data, block if needed and timeoutMillis > 0
@@ -281,7 +279,7 @@
ALOGD("%s() entering >>>>>>>>>>>>>>>", __func__);
aaudio_result_t result = AAUDIO_OK;
aaudio_data_callback_result_t callbackResult = AAUDIO_CALLBACK_RESULT_CONTINUE;
- if (!isDataCallbackSet()) return NULL;
+ if (!isDataCallbackSet()) return nullptr;
int64_t timeoutNanos = calculateReasonableTimeout(mCallbackFrames);
// result might be a frame count
@@ -309,7 +307,7 @@
ALOGD("%s() exiting, result = %d, isActive() = %d <<<<<<<<<<<<<<",
__func__, result, (int) isActive());
- return NULL;
+ return nullptr;
}
//------------------------------------------------------------------------------
diff --git a/media/libaaudio/src/client/AudioStreamInternalPlay.h b/media/libaaudio/src/client/AudioStreamInternalPlay.h
index 03c957d..e761807 100644
--- a/media/libaaudio/src/client/AudioStreamInternalPlay.h
+++ b/media/libaaudio/src/client/AudioStreamInternalPlay.h
@@ -30,8 +30,9 @@
class AudioStreamInternalPlay : public AudioStreamInternal {
public:
- AudioStreamInternalPlay(AAudioServiceInterface &serviceInterface, bool inService = false);
- virtual ~AudioStreamInternalPlay();
+ explicit AudioStreamInternalPlay(AAudioServiceInterface &serviceInterface,
+ bool inService = false);
+ virtual ~AudioStreamInternalPlay() = default;
aaudio_result_t open(const AudioStreamBuilder &builder) override;
@@ -66,7 +67,7 @@
void prepareBuffersForStart() override;
- void advanceClientToMatchServerPosition(int32_t serverMargin = 0) override;
+ void advanceClientToMatchServerPosition(int32_t serverMargin) override;
void onFlushFromServer() override;
diff --git a/media/libaaudio/src/client/IsochronousClockModel.cpp b/media/libaaudio/src/client/IsochronousClockModel.cpp
index f0dcd44..6921271 100644
--- a/media/libaaudio/src/client/IsochronousClockModel.cpp
+++ b/media/libaaudio/src/client/IsochronousClockModel.cpp
@@ -43,14 +43,7 @@
// and dumped to the log when the stream is stopped.
IsochronousClockModel::IsochronousClockModel()
- : mMarkerFramePosition(0)
- , mMarkerNanoTime(0)
- , mSampleRate(48000)
- , mFramesPerBurst(48)
- , mBurstPeriodNanos(0) // this will be updated before use
- , mMaxMeasuredLatenessNanos(0)
- , mLatenessForDriftNanos(kInitialLatenessForDriftNanos)
- , mState(STATE_STOPPED)
+ : mLatenessForDriftNanos(kInitialLatenessForDriftNanos)
{
if ((AAudioProperty_getLogMask() & AAUDIO_LOG_CLOCK_MODEL_HISTOGRAM) != 0) {
mHistogramMicros = std::make_unique<Histogram>(kHistogramBinCount,
diff --git a/media/libaaudio/src/client/IsochronousClockModel.h b/media/libaaudio/src/client/IsochronousClockModel.h
index 6280013..3007237 100644
--- a/media/libaaudio/src/client/IsochronousClockModel.h
+++ b/media/libaaudio/src/client/IsochronousClockModel.h
@@ -149,16 +149,16 @@
static constexpr int32_t kHistogramBinWidthMicros = 50;
static constexpr int32_t kHistogramBinCount = 128;
- int64_t mMarkerFramePosition; // Estimated HW position.
- int64_t mMarkerNanoTime; // Estimated HW time.
- int32_t mSampleRate;
- int32_t mFramesPerBurst; // number of frames transferred at one time.
- int32_t mBurstPeriodNanos; // Time between HW bursts.
+ int64_t mMarkerFramePosition{0}; // Estimated HW position.
+ int64_t mMarkerNanoTime{0}; // Estimated HW time.
+ int32_t mSampleRate{48000};
+ int32_t mFramesPerBurst{48}; // number of frames transferred at one time.
+ int32_t mBurstPeriodNanos{0}; // Time between HW bursts.
// Includes mBurstPeriodNanos because we sample randomly over time.
- int32_t mMaxMeasuredLatenessNanos;
+ int32_t mMaxMeasuredLatenessNanos{0};
// Threshold for lateness that triggers a drift later in time.
int32_t mLatenessForDriftNanos;
- clock_model_state_t mState; // State machine handles startup sequence.
+ clock_model_state_t mState{STATE_STOPPED}; // State machine handles startup sequence.
int32_t mTimestampCount = 0; // For logging.