/// <summary>
/// Creates the XAudio2.
/// </summary>
private void CreateXAudio2()
{
try
{
_xaudio2 = new XAudio2_8(XAudio2Processor.Xaudio2DefaultProcessor);
}
catch (Exception)
{
try
{
_xaudio2 = new XAudio2_7(false, XAudio2Processor.Xaudio2DefaultProcessor);
}
catch
{
}
}
}
/// <summary>
/// Creates the XAudio2.
/// </summary>
private void CreateXAudio2()
{
try
{
_xaudio2 = new XAudio2_8(XAudio2Processor.Xaudio2DefaultProcessor);
}
catch (Exception)
{
try
{
_xaudio2 = new XAudio2_7(false, XAudio2Processor.Xaudio2DefaultProcessor);
}
catch
{
}
}
}
internal StreamingSourceVoice(XAudio2 xaudio2, IWaveSource waveSource, VoiceCallback voiceCallback, int bufferSize)
: base(CreateSourceVoice(xaudio2, waveSource, voiceCallback), xaudio2.Version)
{
_voiceCallback = voiceCallback;
_waveSource = waveSource;
var maxBufferBytes = (int)waveSource.WaveFormat.MillisecondsToBytes(bufferSize);
_buffer = new byte[maxBufferBytes];
for (int i = 0; i < _buffers.Length; i++)
{
var buffer = new XAudio2Buffer(maxBufferBytes);
_buffers[i] = buffer;
}
InitializeForStreaming();
}
/// <summary>
/// Initializes a new XAudio2SoundProvider class
/// <param name="xaudio2">The XAudio2 Instance.</param>
/// <param name="soundInitializer">The ISoundInitializer.</param>
/// </summary>
internal XAudio2SoundProvider(CSCore.XAudio2.XAudio2 xaudio2, ISoundInitializer soundInitializer)
{
SoundInitializer = soundInitializer;
_xaudio2 = xaudio2;
_xaudio2.CreateMasteringVoice();
}
public void Initialize()
{
_source = GlobalTestConfig.TestMp3();
_xaudio2 = CreateXAudio2();
}
/// <summary>
/// Initializes a new XAudio2SoundProvider class
/// <param name="xaudio2">The XAudio2 Instance.</param>
/// <param name="soundInitializer">The ISoundInitializer.</param>
/// </summary>
internal XAudio2SoundProvider(CSCore.XAudio2.XAudio2 xaudio2, ISoundInitializer soundInitializer)
{
SoundInitializer = soundInitializer;
_xaudio2 = xaudio2;
_xaudio2.CreateMasteringVoice();
}
public void Initialize()
{
_source = GlobalTestConfig.TestMp3();
_xaudio2 = CreateXAudio2();
}
/// <summary>
/// Creates an instance of the <see cref="StreamingSourceVoice" /> class.
/// </summary>
/// <param name="xaudio2">Instance of the <see cref="XAudio2" /> class.</param>
/// <param name="waveSource"><see cref="IWaveSource" /> which provides the audio data to stream.</param>
/// <param name="bufferSize">
/// Buffersize of the internal used buffers in milliseconds. Values in the range from 70ms to
/// 200ms are recommended.
/// </param>
/// <returns>Configured <see cref="StreamingSourceVoice" /> instance.</returns>
public static StreamingSourceVoice Create(XAudio2 xaudio2, IWaveSource waveSource, int bufferSize = 100)
{
var voiceCallback = new VoiceCallback();
IntPtr ptr = xaudio2.CreateSourceVoicePtr(waveSource.WaveFormat, VoiceFlags.None,
XAudio2.DefaultFrequencyRatio, voiceCallback,
null, null);
return new StreamingSourceVoice(ptr, voiceCallback, waveSource, bufferSize);
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamingSourceVoice"/> class.
/// </summary>
/// <param name="xaudio2">Instance of the <see cref="XAudio2" /> class, used to create the <see cref="XAudio2SourceVoice"/>.</param>
/// <param name="waveSource">The <see cref="IWaveSource" /> instance which provides audio data to play.</param>
/// <param name="bufferSize">
/// Buffersize of the internal buffers, in milliseconds. Values in the range from 70ms to
/// 200ms are recommended.
/// </param>
public StreamingSourceVoice(XAudio2 xaudio2, IWaveSource waveSource, int bufferSize)
: this(xaudio2, waveSource, new VoiceCallback(), bufferSize)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamingSourceVoice"/> class with a default buffer size of 100ms.
/// </summary>
/// <param name="xaudio2">Instance of the <see cref="XAudio2" /> class, used to create the <see cref="XAudio2SourceVoice"/>.</param>
/// <param name="waveSource">The <see cref="IWaveSource" /> instance which provides audio data to play.</param>
public StreamingSourceVoice(XAudio2 xaudio2, IWaveSource waveSource)
: this(xaudio2, waveSource, 100)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamingSourceVoice"/> class.
/// </summary>
/// <param name="xaudio2">Instance of the <see cref="XAudio2" /> class, used to create the <see cref="XAudio2SourceVoice"/>.</param>
/// <param name="waveSource">The <see cref="IWaveSource" /> instance which provides audio data to play.</param>
/// <param name="bufferSize">
/// Buffersize of the internal buffers, in milliseconds. Values in the range from 70ms to
/// 200ms are recommended.
/// </param>
public StreamingSourceVoice(XAudio2 xaudio2, IWaveSource waveSource, int bufferSize)
: this(xaudio2, waveSource, new VoiceCallback(), bufferSize)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamingSourceVoice"/> class with a default buffer size of 100ms.
/// </summary>
/// <param name="xaudio2">Instance of the <see cref="XAudio2" /> class, used to create the <see cref="XAudio2SourceVoice"/>.</param>
/// <param name="waveSource">The <see cref="IWaveSource" /> instance which provides audio data to play.</param>
public StreamingSourceVoice(XAudio2 xaudio2, IWaveSource waveSource)
: this(xaudio2, waveSource, 100)
{
}
private static IntPtr CreateSourceVoice(XAudio2 xaudio2, IWaveSource waveSource, VoiceCallback callback)
{
if (xaudio2 == null)
throw new ArgumentNullException("xaudio2");
if (waveSource == null)
throw new ArgumentNullException("waveSource");
return xaudio2.CreateSourceVoicePtr(waveSource.WaveFormat, VoiceFlags.None,
XAudio2.DefaultFrequencyRatio, callback,
null, null);
}
