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use a more consistent method to clock the injector thread

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Stephen Birarda 2013-05-23 13:56:16 -07:00
parent f82db95fee
commit 842ef820ab
1 changed files with 4 additions and 3 deletions
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7
libraries/audio/src/AudioInjector.cpp
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@ -90,9 +90,10 @@ void AudioInjector::injectAudio(UDPSocket* injectorSocket, sockaddr* destination
memcpy(currentPacketPtr, &_bearing, sizeof(_bearing)); memcpy(currentPacketPtr, &_bearing, sizeof(_bearing));
currentPacketPtr += sizeof(_bearing); currentPacketPtr += sizeof(_bearing);
gettimeofday(&startTime, NULL);
int nextFrame = 0;
for (int i = 0; i < _numTotalSamples; i += BUFFER_LENGTH_SAMPLES) { for (int i = 0; i < _numTotalSamples; i += BUFFER_LENGTH_SAMPLES) {
gettimeofday(&startTime, NULL);
int numSamplesToCopy = BUFFER_LENGTH_SAMPLES; int numSamplesToCopy = BUFFER_LENGTH_SAMPLES;
if (_numTotalSamples - i < BUFFER_LENGTH_SAMPLES) { if (_numTotalSamples - i < BUFFER_LENGTH_SAMPLES) {
@ -104,7 +105,7 @@ void AudioInjector::injectAudio(UDPSocket* injectorSocket, sockaddr* destination
injectorSocket->send(destinationSocket, dataPacket, sizeof(dataPacket)); injectorSocket->send(destinationSocket, dataPacket, sizeof(dataPacket));
double usecToSleep = BUFFER_SEND_INTERVAL_USECS - (usecTimestampNow() - usecTimestamp(&startTime)); double usecToSleep = usecTimestamp(&startTime) + (++nextFrame * BUFFER_SEND_INTERVAL_USECS) - usecTimestampNow();
if (usecToSleep > 0) { if (usecToSleep > 0) {
usleep(usecToSleep); usleep(usecToSleep);
} }