C++ (Cpp) FillOutAudioTimeStampWithHostTime Examples

Example #1

File: ofxAudioUnitFilePlayer.cpp Project: jasonlevine/ofxAudioUnit

// ----------------------------------------------------------
void ofxAudioUnitFilePlayer::play(uint64_t startTime)
// ----------------------------------------------------------
{
	if(!(_region.mTimeStamp.mFlags & kAudioTimeStampHostTimeValid))
	{
		cout << "ofxAudioUnitFilePlayer has no file to play" << endl;
		return;
	}
	
	OFXAU_RETURN(AudioUnitSetProperty(*_unit,
	                                  kAudioUnitProperty_ScheduledFileIDs,
	                                  kAudioUnitScope_Global,
	                                  0,
	                                  _fileID,
	                                  sizeof(_fileID)),
	             "setting file player's file ID");
	
	OFXAU_RETURN(AudioUnitSetProperty(*_unit,
	                                  kAudioUnitProperty_ScheduledFileRegion,
	                                  kAudioUnitScope_Global,
	                                  0,
	                                  &_region,
	                                  sizeof(_region)),
	             "setting file player region");
	
	if(startTime == 0)
	{
		startTime = mach_absolute_time();
	}
	AudioTimeStamp startTimeStamp = {0};
	FillOutAudioTimeStampWithHostTime(startTimeStamp, startTime);
	
	OFXAU_RETURN(AudioUnitSetProperty(*_unit,
	                                  kAudioUnitProperty_ScheduleStartTimeStamp,
	                                  kAudioUnitScope_Global,
	                                  0,
	                                  &startTimeStamp,
	                                  sizeof(startTimeStamp)),
	             "setting file player start time");
}

Example #2

File: ofxAudioUnitFilePlayer.cpp Project: dferrandizmont/ofxAudioUnit

void ofxAudioUnitFilePlayer::play(uint64_t startTime) {
	
	if(!_primed) {
		prime();
	}
	
	_primed = false;
	
	if(startTime == 0) {
		startTime = mach_absolute_time();
	}
	
	AudioTimeStamp startTimeStamp = {0};
	FillOutAudioTimeStampWithHostTime(startTimeStamp, startTime);
	
	OFXAU_RETURN(AudioUnitSetProperty(*_unit,
	                                  kAudioUnitProperty_ScheduleStartTimeStamp,
	                                  kAudioUnitScope_Global,
	                                  0,
	                                  &startTimeStamp,
	                                  sizeof(startTimeStamp)),
	             "setting file player start time");
}