/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
BLT_COMPILER_UNUSED(mode);
BLT_COMPILER_UNUSED(point);
/* flush the queue */
pthread_mutex_lock(&self->lock);
ATX_List_Clear(self->packet_queue);
pthread_mutex_unlock(&self->lock);
/* reset the device */
result = AudioUnitReset(self->audio_unit, kAudioUnitScope_Input, 0);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitReset failed (%d)", (int)result);
}
return BLT_SUCCESS;
}
void CoreAudioOutput::start()
{
this->clearBuffer();
OSSpinLockLock(this->_spinlockAU);
AudioUnitReset(this->_au, kAudioUnitScope_Global, 0);
AudioOutputUnitStart(this->_au);
OSSpinLockUnlock(this->_spinlockAU);
}
static void au_unconfigure_read(AUData *d){
if(d->read_started == TRUE) {
d->read_started=FALSE;
AudioUnitElement inputBus = 1;
AudioUnitReset(d->io_unit,
kAudioUnitScope_Global,
inputBus);
}
au_unconfigure(d);
ms_mutex_lock(&d->mutex);
flushq(&d->rq,0);
ms_mutex_unlock(&d->mutex);
}
static void au_unconfigure_write(AUData *d){
if(d->write_started == TRUE) {
d->write_started=FALSE;
AudioUnitElement outputBus = 0;
AudioUnitReset(d->io_unit,
kAudioUnitScope_Global,
outputBus);
}
ms_message("[%i] frames of silence inserted for [%i] ms.",d->n_lost_frame,(d->n_lost_frame*1000)/d->rate);
au_unconfigure(d);
ms_mutex_lock(&d->mutex);
ms_bufferizer_flush(d->bufferizer);
ms_mutex_unlock(&d->mutex);
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Stop
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Stop(BLT_MediaNode* _self)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
/* flush the queue */
pthread_mutex_lock(&self->lock);
ATX_List_Clear(self->packet_queue);
pthread_mutex_unlock(&self->lock);
/* stop the and reset audio unit */
result = AudioOutputUnitStop(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitOutputStop failed (%d)", (int)result);
}
result = AudioUnitReset(self->audio_unit, kAudioUnitScope_Input, 0);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitReset failed (%d)", (int)result);
}
return BLT_SUCCESS;
}
JNIEXPORT jint JNICALL Java_com_apple_audio_units_AudioUnit_AudioUnitReset
(JNIEnv *, jclass, jint ci, jint inScope, jint inElement)
{
return (jint)AudioUnitReset((AudioUnit)ci, (AudioUnitScope)inScope, (AudioUnitElement)inElement);
}
