/// <summary>
/// Sets up a new OpenAL buffer for this AudioData. This will result in decompressing
/// the Ogg Vorbis data and uploading it to OpenAL, unless the AudioData is streamed.
/// </summary>
public void SetupAlBuffer()
{
// No AudioData available
if (this.data.Length == 0 || this.data == null)
{
this.DisposeAlBuffer();
return;
}
// Streamed Audio
if (this.IsStreamed)
{
this.DisposeAlBuffer();
this.alBuffer = AlBuffer_StreamMe;
}
// Non-Streamed Audio
else
{
if (this.alBuffer <= AlBuffer_NotAvailable && DualityApp.Sound.IsAvailable)
{
this.alBuffer = AL.GenBuffer();
PcmData pcm = OggVorbis.LoadFromMemory(this.data);
AL.BufferData(
this.alBuffer,
pcm.channelCount == 1 ? ALFormat.Mono16 : ALFormat.Stereo16,
pcm.data.ToArray(),
pcm.dataLength * PcmData.SizeOfDataElement,
pcm.sampleRate);
}
else
{
// Buffer already there? Do nothing.
}
}
}
/// <summary>
/// Sets up a new native buffer for this AudioData. This will result in decompressing
/// the Ogg Vorbis data and uploading it to OpenAL, unless the AudioData is streamed.
/// </summary>
private void SetupNativeBuffer()
{
// No AudioData available
if (this.data == null || this.data.Length == 0)
{
this.DisposeNativeBuffer();
return;
}
// Streamed Audio
if (this.IsStreamed)
{
this.DisposeNativeBuffer();
this.native = null;
}
// Non-Streamed Audio
else
{
if (this.native == null)
{
this.native = DualityApp.AudioBackend.CreateBuffer();
PcmData pcm = OggVorbis.LoadFromMemory(this.data);
this.native.LoadData(
pcm.SampleRate,
pcm.Data,
pcm.DataLength,
pcm.ChannelCount == 1 ? AudioDataLayout.Mono : AudioDataLayout.LeftRight,
AudioDataElementType.Short);
}
else
{
// Buffer already there? Do nothing.
}
}
}
