public void Apply3D(AudioListener listener, AudioEmitter emitter)
{
if (listener == null)
{
throw new ArgumentNullException("listener");
}
if (emitter == null)
{
throw new ArgumentNullException("emitter");
}
if (IsDisposed)
{
throw new ObjectDisposedException(
"SoundEffectInstance"
);
}
is3D = true;
SoundEffect.FAudioContext dev = SoundEffect.Device();
emitter.emitterData.CurveDistanceScaler = dev.CurveDistanceScaler;
emitter.emitterData.ChannelCount = dspSettings.SrcChannelCount;
FAudio.F3DAudioCalculate(
dev.Handle3D,
ref listener.listenerData,
ref emitter.emitterData,
(
FAudio.F3DAUDIO_CALCULATE_MATRIX |
FAudio.F3DAUDIO_CALCULATE_DOPPLER
),
ref dspSettings
);
if (handle != IntPtr.Zero)
{
UpdatePitch();
FAudio.FAudioVoice_SetOutputMatrix(
handle,
SoundEffect.Device().MasterVoice,
dspSettings.SrcChannelCount,
dspSettings.DstChannelCount,
dspSettings.pMatrixCoefficients,
0
);
}
}
public virtual void Play()
{
if (State == SoundState.Playing)
{
return;
}
if (State == SoundState.Paused)
{
/* Just resume the existing handle */
FAudio.FAudioSourceVoice_Start(handle, 0, 0);
INTERNAL_state = SoundState.Playing;
return;
}
SoundEffect.FAudioContext dev = SoundEffect.Device();
/* Create handle */
FAudio.FAudioWaveFormatEx fmt = isDynamic ?
(this as DynamicSoundEffectInstance).format :
parentEffect.format;
FAudio.FAudio_CreateSourceVoice(
dev.Handle,
out handle,
ref fmt,
FAudio.FAUDIO_VOICE_USEFILTER,
FAudio.FAUDIO_DEFAULT_FREQ_RATIO,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero
);
if (handle == IntPtr.Zero)
{
return; /* What */
}
/* Apply current properties */
FAudio.FAudioVoice_SetVolume(handle, INTERNAL_volume, 0);
UpdatePitch();
if (is3D || Pan != 0.0f)
{
FAudio.FAudioVoice_SetOutputMatrix(
handle,
SoundEffect.Device().MasterVoice,
dspSettings.SrcChannelCount,
dspSettings.DstChannelCount,
dspSettings.pMatrixCoefficients,
0
);
}
/* For static effects, submit the buffer now */
if (isDynamic)
{
(this as DynamicSoundEffectInstance).QueueInitialBuffers();
}
else
{
if (IsLooped)
{
parentEffect.handle.LoopCount = 255;
parentEffect.handle.LoopBegin = parentEffect.loopStart;
parentEffect.handle.LoopLength = parentEffect.loopLength;
}
else
{
parentEffect.handle.LoopCount = 0;
parentEffect.handle.LoopBegin = 0;
parentEffect.handle.LoopLength = 0;
}
FAudio.FAudioSourceVoice_SubmitSourceBuffer(
handle,
ref parentEffect.handle,
IntPtr.Zero
);
}
/* Play, finally. */
FAudio.FAudioSourceVoice_Start(handle, 0, 0);
INTERNAL_state = SoundState.Playing;
hasStarted = true;
}