diff options
Diffstat (limited to 'services')
| -rw-r--r-- | services/audioflinger/AudioFlinger.cpp | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp index fd276aa..df550bd 100644 --- a/services/audioflinger/AudioFlinger.cpp +++ b/services/audioflinger/AudioFlinger.cpp @@ -80,14 +80,16 @@ static const int8_t kMaxTrackStartupRetries = 50; static const int8_t kMaxTrackRetriesDirect = 2; static const int kDumpLockRetries = 50; -static const int kDumpLockSleep = 20000; +static const int kDumpLockSleepUs = 20000; -static const nsecs_t kWarningThrottle = seconds(5); +// don't warn about blocked writes or record buffer overflows more often than this +static const nsecs_t kWarningThrottleNs = seconds(5); // RecordThread loop sleep time upon application overrun or audio HAL read error static const int kRecordThreadSleepUs = 5000; -static const nsecs_t kSetParametersTimeout = seconds(2); +// maximum time to wait for setParameters to complete +static const nsecs_t kSetParametersTimeoutNs = seconds(2); // minimum sleep time for the mixer thread loop when tracks are active but in underrun static const uint32_t kMinThreadSleepTimeUs = 5000; @@ -320,7 +322,7 @@ static bool tryLock(Mutex& mutex) locked = true; break; } - usleep(kDumpLockSleep); + usleep(kDumpLockSleepUs); } return locked; } @@ -1043,7 +1045,7 @@ status_t AudioFlinger::ThreadBase::setParameters(const String8& keyValuePairs) mWaitWorkCV.signal(); // wait condition with timeout in case the thread loop has exited // before the request could be processed - if (mParamCond.waitRelative(mLock, kSetParametersTimeout) == NO_ERROR) { + if (mParamCond.waitRelative(mLock, kSetParametersTimeoutNs) == NO_ERROR) { status = mParamStatus; mWaitWorkCV.signal(); } else { @@ -2028,7 +2030,7 @@ bool AudioFlinger::MixerThread::threadLoop() nsecs_t delta = now - mLastWriteTime; if (!mStandby && delta > maxPeriod) { mNumDelayedWrites++; - if ((now - lastWarning) > kWarningThrottle) { + if ((now - lastWarning) > kWarningThrottleNs) { LOGW("write blocked for %llu msecs, %d delayed writes, thread %p", ns2ms(delta), mNumDelayedWrites, this); lastWarning = now; @@ -2414,7 +2416,7 @@ bool AudioFlinger::MixerThread::checkForNewParameters_l() mParamCond.signal(); // wait for condition with time out in case the thread calling ThreadBase::setParameters() // already timed out waiting for the status and will never signal the condition. - mWaitWorkCV.waitRelative(mLock, kSetParametersTimeout); + mWaitWorkCV.waitRelative(mLock, kSetParametersTimeoutNs); } return reconfig; } @@ -2890,7 +2892,7 @@ bool AudioFlinger::DirectOutputThread::checkForNewParameters_l() mParamCond.signal(); // wait for condition with time out in case the thread calling ThreadBase::setParameters() // already timed out waiting for the status and will never signal the condition. - mWaitWorkCV.waitRelative(mLock, kSetParametersTimeout); + mWaitWorkCV.waitRelative(mLock, kSetParametersTimeoutNs); } return reconfig; } @@ -4410,7 +4412,7 @@ bool AudioFlinger::RecordThread::threadLoop() else { if (!mActiveTrack->setOverflow()) { nsecs_t now = systemTime(); - if ((now - lastWarning) > kWarningThrottle) { + if ((now - lastWarning) > kWarningThrottleNs) { LOGW("RecordThread: buffer overflow"); lastWarning = now; } @@ -4733,7 +4735,7 @@ bool AudioFlinger::RecordThread::checkForNewParameters_l() mParamCond.signal(); // wait for condition with time out in case the thread calling ThreadBase::setParameters() // already timed out waiting for the status and will never signal the condition. - mWaitWorkCV.waitRelative(mLock, kSetParametersTimeout); + mWaitWorkCV.waitRelative(mLock, kSetParametersTimeoutNs); } return reconfig; } |