/// <summary>
/// Takes a media info object and plays it on an open channel
/// </summary>
/// <param name="media"></param>
/// <returns></returns>
private void PlayStream()
{
//result
FMOD.RESULT result;
//play the sound on the channel
result = _system.playSound(_sound, null, true, out _channel);
CheckError(result);
//prepare the equalizer
SetupEqualizer();
//create the dsp, although it will not be active at this time
result = _system.createDSP(ref _dspDesc, out _dsp);
////deactivate
//_dsp.setBypass(true);
//add to dsp chain
_channel.addDSP(0, _dsp);
//unpause when ready to begin playing
result = _channel.setPaused(false);
CheckError(result);
////activate
//_dsp.setBypass(false);
//fire PlaybackStatusChanged event
OnPlaybackStatusChanged();
//hold the thread hostage
while (GetIsPlaying())
{
//check to see if playback should stop
if (_playbackCts.IsCancellationRequested)
{
//we requested to stop playback
break;
}
//get the current position
InternalPosition = GetPosition();
//update fmod
Update();
//sleep for a few miliseconds
Thread.Sleep(25);
}
}
FMOD.Channel PlayOsc(RenderParams rp, RenderCanvas canvas)
{
FMOD.Channel channel = null;
FMOD.RESULT r = MusicEngine.AudioEngine.playDSP(FMOD.CHANNELINDEX.FREE, _dsp, true, ref channel);
if (r == FMOD.RESULT.OK && channel != null)
{
// set regular play properties
AdaptChannelSettings(channel, rp, canvas);
// set optional DSP unit(s) on channel
if (r == FMOD.RESULT.OK)
{
FMOD.DSPConnection conn = null;
foreach (FMOD.DSP d in _dspList)
{
r = channel.addDSP(d, ref conn); // TODO errcheck
}
// go - start playing
if (r == FMOD.RESULT.OK)
{
r = channel.setPaused(false);
}
}
} // if
return(channel);
}
FMOD.Channel PlaySample(RenderParams rp, RenderCanvas canvas, List <FMOD.DSP> dspList)
{
FMOD.Channel channel = null;
FMOD.RESULT r = MusicEngine.AudioEngine.playSound(FMOD.CHANNELINDEX.FREE, _sound, true, ref channel);
if (r == FMOD.RESULT.OK && channel != null)
{
// set regular play properties
AdaptChannelSettings(channel, rp, canvas);
// set play position
uint tMs = (uint)Math.Round(rp.Time * 1000.0);
if (tMs > 0)
{ // only set position if there is a need
r = channel.setPosition(tMs, FMOD.TIMEUNIT.MS);
#if DEBUG
Util.Log(" setPos(" + tMs + ")");
#endif
}
// set optional DSP unit(s) on channel
if (r == FMOD.RESULT.OK)
{
FMOD.DSPConnection conn = null;
foreach (FMOD.DSP d in dspList)
{
r = channel.addDSP(d, ref conn); // TODO errcheck
}
// go - start playing
if (r == FMOD.RESULT.OK)
{
r = channel.setPaused(false);
}
}
} // if
Util.ERRCHECK(r);
return(channel);
}
public static bool Play(string strRootPath, SoundItemProperty prop)
{
FMOD.RESULT result;
if (channel != null)
{
channel.stop();
}
string name = strRootPath + prop.FileName;
FMOD.MODE mode = FMOD.MODE.DEFAULT;
if (prop.Type == SoundItemProperty.typeSound[0])
{
mode |= FMOD.MODE._2D | FMOD.MODE.CREATESAMPLE | FMOD.MODE.SOFTWARE;
}
else if (prop.Type == SoundItemProperty.typeSound[1])
{
mode |= FMOD.MODE._3D | FMOD.MODE.CREATESAMPLE | FMOD.MODE.SOFTWARE | FMOD.MODE._3D_LINEARROLLOFF | FMOD.MODE._3D_WORLDRELATIVE | FMOD.MODE._3D_IGNOREGEOMETRY;
}
else if (prop.Type == SoundItemProperty.typeSound[2])
{
mode |= FMOD.MODE._2D | FMOD.MODE.CREATESTREAM | FMOD.MODE.SOFTWARE;
}
if (prop.Loop == true)
{
mode |= FMOD.MODE.LOOP_NORMAL;
}
result = system.createSound(name, mode, ref sound);
ERRCHECK(result);
result = system.playSound(FMOD.CHANNELINDEX.FREE, sound, true, ref channel);
ERRCHECK(result);
if (prop.Type == SoundItemProperty.typeSound[1])
{
channel.set3DMinMaxDistance(100.0f, prop.MaxDistance);
FMOD.VECTOR pos = new FMOD.VECTOR();
pos.x = 0.0f; pos.y = 0.0f; pos.z = 0.0f;
FMOD.VECTOR vel = new FMOD.VECTOR();
vel.x = 0.0f; vel.y = 0.0f; vel.z = 0.0f;
channel.set3DAttributes(ref pos, ref vel);
FMOD.DSP dsp = null;
result = system.createDSPByType(FMOD.DSP_TYPE.LOWPASS_SIMPLE, ref dsp);
ERRCHECK(result);
dsp.setParameter((int)FMOD.DSP_LOWPASS_SIMPLE.CUTOFF, 22000.0f);
FMOD.DSPConnection dspcon = null;
channel.addDSP(dsp, ref dspcon);
}
channel.setVolume((float)prop.Volume * 0.01f);
channel.setCallback(CHANNELCALLBACK);
channel.setPaused(false);
return(true);
}
