pascal ComponentResult
__SoundComponentPlaySourceBuffer( void *dummy, SoundSource sourceID,
SoundParamBlockPtr pb, long actions )
{
ComponentResult result;
/* lprintf("__PlaySourceBuf %08lx ID: %08x\n", actions, (int)sourceID ); */
/* tell mixer to start playing this new buffer */
result = SoundComponentPlaySourceBuffer( GLOBAL.sourceComponent, sourceID, pb, actions );
if( result == noErr ) {
/* if the kSourcePaused bit is set, then do not turn on your hardware
* just yet (the assumption is that StartSource() will later be used to
* start this sound playing). If this bit is not set, turn your
* hardware interrupts on. [Observation: QT calls PlaySourceBuf agin
* rather than StartSource]
*/
StartHardware();
if( (actions & kSourcePaused) )
PauseHardware();
else
ResumeHardware();
}
return result;
}
void SMACsdec::PlaySourceBuffer(SoundSource inSourceID, SoundParamBlock* inPB, SInt32 inActions)
{
// get rid of the input data
mSourceData = NULL;
mOutputData.sampleCount = 0;
ComponentResult theError = SoundComponentPlaySourceBuffer(mSourceComponent, inSourceID, inPB, inActions);
ThrowIfError(theError, (CAException)theError, "SMACsdec::PlaySourceBuffer: got an error from SoundComponentPlaySourceBuffer");
}
