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Reduced locking scope for a performance improvement.

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Reduced the time that cSatipTunerStatistics() is locked.
This is important for poller thread as every lock in cSatipTunerStatistics()
leads to the poller thread waiting in SatipTuner::ProcessVideoData().
This commit is contained in:
nafets227 2014-11-29 23:07:38 +01:00 committed by Rolf Ahrenberg
parent 4600a2a070
commit 561ca26098
1 changed files with 4 additions and 2 deletions
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6
statistics.c
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@ -150,14 +150,16 @@ cSatipTunerStatistics::~cSatipTunerStatistics()
cString cSatipTunerStatistics::GetTunerStatistic() cString cSatipTunerStatistics::GetTunerStatistic()
{ {
//debug("cSatipTunerStatistics::%s()", __FUNCTION__); //debug("cSatipTunerStatistics::%s()", __FUNCTION__);
cMutexLock MutexLock(&mutexM); mutexM.Lock();
uint64_t elapsed = timerM.Elapsed(); /* in milliseconds */ uint64_t elapsed = timerM.Elapsed(); /* in milliseconds */
timerM.Set(); timerM.Set();
long bitrate = elapsed ? (long)(1000.0L * dataBytesM / KILOBYTE(1) / elapsed) : 0L; long bitrate = elapsed ? (long)(1000.0L * dataBytesM / KILOBYTE(1) / elapsed) : 0L;
dataBytesM = 0;
mutexM.Unlock();
if (!SatipConfig.GetUseBytes()) if (!SatipConfig.GetUseBytes())
bitrate *= 8; bitrate *= 8;
cString s = cString::sprintf("%ld k%s/s", bitrate, SatipConfig.GetUseBytes() ? "B" : "bit"); cString s = cString::sprintf("%ld k%s/s", bitrate, SatipConfig.GetUseBytes() ? "B" : "bit");
dataBytesM = 0;
return s; return s;
} }