diff options
Diffstat (limited to 'services/audioflinger/FastThread.h')
| -rw-r--r-- | services/audioflinger/FastThread.h | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/services/audioflinger/FastThread.h b/services/audioflinger/FastThread.h index 1330334..2efb6de 100644 --- a/services/audioflinger/FastThread.h +++ b/services/audioflinger/FastThread.h @@ -48,42 +48,45 @@ protected: virtual void onStateChange() = 0; virtual void onWork() = 0; - // FIXME these former local variables need comments and to be renamed to have an "m" prefix - const FastThreadState *previous; - const FastThreadState *current; - struct timespec oldTs; - bool oldTsValid; - long sleepNs; // -1: busy wait, 0: sched_yield, > 0: nanosleep - long periodNs; // expected period; the time required to render one mix buffer - long underrunNs; // underrun likely when write cycle is greater than this value - long overrunNs; // overrun likely when write cycle is less than this value - long forceNs; // if overrun detected, force the write cycle to take this much time - long warmupNs; // warmup complete when write cycle is greater than to this value - FastThreadDumpState *mDummyDumpState; - FastThreadDumpState *dumpState; - bool ignoreNextOverrun; // used to ignore initial overrun and first after an underrun -#ifdef FAST_MIXER_STATISTICS - struct timespec oldLoad; // previous value of clock_gettime(CLOCK_THREAD_CPUTIME_ID) - bool oldLoadValid; // whether oldLoad is valid - uint32_t bounds; - bool full; // whether we have collected at least mSamplingN samples + // FIXME these former local variables need comments + const FastThreadState* mPrevious; + const FastThreadState* mCurrent; + struct timespec mOldTs; + bool mOldTsValid; + long mSleepNs; // -1: busy wait, 0: sched_yield, > 0: nanosleep + long mPeriodNs; // expected period; the time required to render one mix buffer + long mUnderrunNs; // underrun likely when write cycle is greater than this value + long mOverrunNs; // overrun likely when write cycle is less than this value + long mForceNs; // if overrun detected, + // force the write cycle to take this much time + long mWarmupNsMin; // warmup complete when write cycle is greater than or equal to + // this value + long mWarmupNsMax; // and less than or equal to this value + FastThreadDumpState* mDummyDumpState; + FastThreadDumpState* mDumpState; + bool mIgnoreNextOverrun; // used to ignore initial overrun and first after an + // underrun +#ifdef FAST_THREAD_STATISTICS + struct timespec mOldLoad; // previous value of clock_gettime(CLOCK_THREAD_CPUTIME_ID) + bool mOldLoadValid; // whether oldLoad is valid + uint32_t mBounds; + bool mFull; // whether we have collected at least mSamplingN samples #ifdef CPU_FREQUENCY_STATISTICS - ThreadCpuUsage tcu; // for reading the current CPU clock frequency in kHz + ThreadCpuUsage mTcu; // for reading the current CPU clock frequency in kHz #endif #endif - unsigned coldGen; // last observed mColdGen - bool isWarm; // true means ready to mix, false means wait for warmup before mixing - struct timespec measuredWarmupTs; // how long did it take for warmup to complete - uint32_t warmupCycles; // counter of number of loop cycles required to warmup - NBLog::Writer dummyLogWriter; - NBLog::Writer *logWriter; - status_t timestampStatus; + unsigned mColdGen; // last observed mColdGen + bool mIsWarm; // true means ready to mix, + // false means wait for warmup before mixing + struct timespec mMeasuredWarmupTs; // how long did it take for warmup to complete + uint32_t mWarmupCycles; // counter of number of loop cycles during warmup phase + uint32_t mWarmupConsecutiveInRangeCycles; // number of consecutive cycles in range + NBLog::Writer mDummyLogWriter; + NBLog::Writer* mLogWriter; + status_t mTimestampStatus; - FastThreadState::Command command; -#if 0 - size_t frameCount; -#endif - bool attemptedWrite; + FastThreadState::Command mCommand; + bool mAttemptedWrite; }; // class FastThread |