bool CCoreAudioGraph::Stop()
{
if (!m_audioGraph)
return false;
OSStatus ret;
Boolean isRunning = false;
ret = AUGraphIsRunning(m_audioGraph, &isRunning);
if (ret)
{
CLog::Log(LOGERROR, "CCoreAudioGraph::Stop: Audio graph not running. Error = %s", GetError(ret).c_str());
return false;
}
if (isRunning)
{
if (m_inputUnit)
m_inputUnit->Stop();
if (m_mixerUnit)
m_mixerUnit->Stop();
if (m_audioUnit)
m_audioUnit->Stop();
ret = AUGraphStop(m_audioGraph);
if (ret)
{
CLog::Log(LOGERROR, "CCoreAudioGraph::Stop: Error stopping audio graph. Error = %s", GetError(ret).c_str());
}
}
return true;
}
Boolean CAPlayThrough::IsRunning()
{
OSStatus err = noErr;
UInt32 auhalRunning = 0, size = 0;
Boolean graphRunning;
size = sizeof(auhalRunning);
if(mInputUnit)
{
err = AudioUnitGetProperty(mInputUnit,
kAudioOutputUnitProperty_IsRunning,
kAudioUnitScope_Global,
0, // input element
&auhalRunning,
&size);
}
if(mGraph)
err = AUGraphIsRunning(mGraph,&graphRunning);
return (auhalRunning || graphRunning);
}
int QBSoundMac::play(const char *note,int track,bool loop)
{
if (note == NULL) return 0;
startAUGraph();
OSStatus err;
int r=0;
Boolean run;
if (mGraph) {
err = AUGraphIsRunning(mGraph,&run);
if (err == noErr) {
if (run) {
#if 1
QBSoundLocker locker(&mMutex,"play");
r = QBSound::play(note,track,loop);
#else
pthread_mutex_lock(&mMutex);
r = QBSound::play(note,track,loop);
pthread_mutex_unlock(&mMutex);
#endif
}
}
}
return r;
}
JNIEXPORT jint JNICALL Java_com_apple_audio_toolbox_AUGraph_AUGraphIsRunning
(JNIEnv *, jclass, jint inGraph, jint outIsRunning)
{
return (jint)AUGraphIsRunning((AUGraph)inGraph, (Boolean *)outIsRunning);
}
