public void StopAndDisposeSource(IALSource source)
{
uint handle = (source as OpenALSource).Handle;
AL10.alSourceStop(handle);
AL10.alDeleteSources((IntPtr)1, ref handle);
}
internal void DeleteSource(AlSource source)
{
if (!_sources.Remove(source))
{
throw new InvalidOperationException("Context does not own the given source.");
}
AL10.alDeleteSources(1, ref source.Name);
AlHelper.AlCheckError("Call to alDeleteSources failed.");
_sources.Remove(source);
}
protected override void Dispose(bool disposeManagedResources)
{
if (_handle > 0)
{
Stop();
AL10.alDeleteSources(1, ref _handle);
_handle = 0;
}
base.Dispose(disposeManagedResources);
}
public void StopAndDisposeSource(IALSource source)
{
uint handle = (source as OpenALSource).Handle;
AL10.alSourceStop(handle);
#if VERBOSE_AL_DEBUGGING
CheckALError();
#endif
AL10.alDeleteSources(1, ref handle);
#if VERBOSE_AL_DEBUGGING
CheckALError();
#endif
}
public void Stop()
{
if (INTERNAL_delayMS > 0)
{
INTERNAL_timer.Stop();
INTERNAL_timer.Reset();
}
if (INTERNAL_alSource != 0)
{
AL10.alSourceStop(INTERNAL_alSource);
AL10.alDeleteSources((IntPtr)1, ref INTERNAL_alSource);
INTERNAL_alSource = 0;
}
}
public static void Shutdown()
{
// Destroy the sources
AL10.alDeleteSources(MAX_SOURCE_COUNT, s_allSources);
ALUtils.CheckALError("unable to free audio sources");
s_availableSources.Clear();
s_usedSources.Clear();
// Destroy the context, and then close the device
ALC10.alcMakeContextCurrent(IntPtr.Zero);
ALUtils.CheckALCError();
ALC10.alcDestroyContext(Context);
ALUtils.CheckALCError();
Context = IntPtr.Zero;
ALC10.alcCloseDevice(Device);
ALUtils.CheckALCError();
Device = IntPtr.Zero;
IsShutdown = true;
// Report
LINFO("Shutdown OpenAL audio engine.");
}
public override void Play()
{
if (State != SoundState.Stopped)
{
return; // No-op if we're already playing.
}
if (INTERNAL_alSource != 0)
{
// The sound has stopped, but hasn't cleaned up yet...
AL10.alSourceStop(INTERNAL_alSource);
AL10.alDeleteSources((IntPtr)1, ref INTERNAL_alSource);
INTERNAL_alSource = 0;
}
while (queuedBuffers.Count > 0)
{
availableBuffers.Enqueue(queuedBuffers.Dequeue());
}
AL10.alGenSources((IntPtr)1, out INTERNAL_alSource);
if (INTERNAL_alSource == 0)
{
System.Console.WriteLine("WARNING: AL SOURCE WAS NOT AVAILABLE. SKIPPING.");
return;
}
// Queue the buffers to this source
while (buffersToQueue.Count > 0)
{
uint nextBuf = buffersToQueue.Dequeue();
queuedBuffers.Enqueue(nextBuf);
AL10.alSourceQueueBuffers(
INTERNAL_alSource,
(IntPtr)1,
ref nextBuf
);
}
// Apply Pan/Position
if (INTERNAL_positionalAudio)
{
INTERNAL_positionalAudio = false;
AL10.alSource3f(
INTERNAL_alSource,
AL10.AL_POSITION,
position.X,
position.Y,
position.Z
);
}
else
{
Pan = Pan;
}
// Reassign Properties, in case the AL properties need to be applied.
Volume = Volume;
IsLooped = IsLooped;
Pitch = Pitch;
// Finally.
AL10.alSourcePlay(INTERNAL_alSource);
OpenALDevice.Instance.dynamicInstancePool.Add(this);
// ... but wait! What if we need moar buffers?
if (PendingBufferCount <= 2 && BufferNeeded != null)
{
BufferNeeded(this, null);
}
}
public virtual void Play()
{
if (State != SoundState.Stopped && INTERNAL_alSource != 0) // FIXME: alSource check part of timer hack!
{
// FIXME: Is this XNA4 behavior?
Stop();
}
if (INTERNAL_delayMS != 0 && !INTERNAL_timer.IsRunning)
{
INTERNAL_timer.Start();
}
if (INTERNAL_timer.ElapsedMilliseconds < INTERNAL_delayMS)
{
return; // We'll be back...
}
INTERNAL_timer.Stop();
INTERNAL_timer.Reset();
if (INTERNAL_alSource != 0)
{
// The sound has stopped, but hasn't cleaned up yet...
AL10.alSourceStop(INTERNAL_alSource);
AL10.alDeleteSources((IntPtr)1, ref INTERNAL_alSource);
INTERNAL_alSource = 0;
}
AL10.alGenSources((IntPtr)1, out INTERNAL_alSource);
if (INTERNAL_alSource == 0)
{
System.Console.WriteLine("WARNING: AL SOURCE WAS NOT AVAILABLE. SKIPPING.");
return;
}
// Attach the buffer to this source
AL10.alSourcei(
INTERNAL_alSource,
AL10.AL_BUFFER,
(int)INTERNAL_parentEffect.INTERNAL_buffer
);
// Apply Pan/Position
if (INTERNAL_positionalAudio)
{
INTERNAL_positionalAudio = false;
AL10.alSource3f(
INTERNAL_alSource,
AL10.AL_POSITION,
position.X,
position.Y,
position.Z
);
}
else
{
Pan = Pan;
}
// Reassign Properties, in case the AL properties need to be applied.
Volume = Volume;
IsLooped = IsLooped;
Pitch = Pitch;
// Apply EFX
if (INTERNAL_alEffectSlot != 0)
{
AL10.alSource3i(
INTERNAL_alSource,
EFX.AL_AUXILIARY_SEND_FILTER,
(int)INTERNAL_alEffectSlot,
0,
0
);
}
AL10.alSourcePlay(INTERNAL_alSource);
}
