private void InitVoicePools()
{
List <MyWaveFormat> waveFormats = m_waveBank.GetWaveFormats();
if (waveFormats.Count > 0)
{
m_voicePools = new Dictionary <MyWaveFormat, MySourceVoicePool>(waveFormats.Count);
foreach (MyWaveFormat waveFormat in waveFormats)
{
m_voicePools[waveFormat] = new MySourceVoicePool(m_audioEngine, waveFormat.WaveFormat, this);
}
}
}
internal void DestroyVoice()
{
m_valid = false;
m_currentDescriptor = null;
StoppedPlaying = null;
m_owner = null;
m_loopBuffers = null;
DisposeWaves();
if (m_voice == null && m_dataStreams == null)
{
return;
}
lock (theLock)
{
if (m_voice != null && !m_voice.IsDisposed)
{
if (m_voice.NativePointer != IntPtr.Zero)
{
if (IsValid)
{
m_voice.Stop();
}
}
if (m_dataStreams != null)
{
m_voice.BufferEnd -= OnStopPlayingBuffered;
}
else
{
m_voice.BufferEnd -= OnStopPlaying;
}
}
if (m_dataStreams != null)
{
foreach (var dataStream in m_dataStreams)
{
dataStream.Dispose();
}
m_dataStreams.Clear();
}
m_dataStreams = null;
}
}
public MySourceVoice(MySourceVoicePool owner, XAudio2 device, WaveFormat sourceFormat)
{
// This value influences how many native memory is allocated in XAudio
// When shifting sound to higher frequency it needs more data, because it's compressed in time
// Ratio 2 equals to 11 or 12 semitones (=1 octave)
// Values around 32 should be pretty safe
// Values around 128 needs large amount of memory
// Values > 128 are memory killer
const float MaxFrequencyRatio = 2;
m_voice = new SourceVoice(device, sourceFormat, VoiceFlags.UseFilter, MaxFrequencyRatio, true);
m_voice.BufferEnd += OnStopPlaying;
m_valid = true;
m_owner = owner;
m_owner.OnAudioEngineChanged += m_owner_OnAudioEngineChanged;
Flush();
}
public MySourceVoice(MySourceVoicePool owner, XAudio2 device, WaveFormat sourceFormat)
{
// This value influences how many native memory is allocated in XAudio
// When shifting sound to higher frequency it needs more data, because it's compressed in time
// Ratio 2 equals to 11 or 12 semitones (=1 octave)
// Values around 32 should be pretty safe
// Values around 128 needs large amount of memory
// Values > 128 are memory killer
const float MaxFrequencyRatio = 2;
m_voice = new SourceVoice(device, sourceFormat, VoiceFlags.UseFilter, MaxFrequencyRatio, true);
m_voice.BufferEnd += OnStopPlaying;
m_valid = true;
m_owner = owner;
m_owner.OnAudioEngineChanged += m_owner_OnAudioEngineChanged;
Flush();
}
internal void DestroyVoice()
{
m_valid = false;
m_currentDescriptor = null;
StoppedPlaying = null;
m_owner = null;
m_loopBuffers = null;
DisposeWaves();
if (m_voice == null && m_dataStreams == null)
return;
lock (theLock)
{
if (m_voice != null && !m_voice.IsDisposed)
{
if (m_voice.NativePointer != IntPtr.Zero)
{
if (IsValid)
m_voice.Stop();
}
if (m_dataStreams != null)
m_voice.BufferEnd -= OnStopPlayingBuffered;
else
m_voice.BufferEnd -= OnStopPlaying;
}
if (m_dataStreams != null)
{
foreach (var dataStream in m_dataStreams)
dataStream.Dispose();
m_dataStreams.Clear();
}
m_dataStreams = null;
}
}
