public static Task PlaySound(Stream stream)
{
var soundstream = new SoundStream(stream);
var buffer = new AudioBufferAndMetaData()
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
var sourceVoice = new SourceVoice(XAudio, buffer.WaveFormat, true);
sourceVoice.SetVolume(Volume, SharpDX.XAudio2.XAudio2.CommitNow);
sourceVoice.SubmitSourceBuffer(buffer, buffer.DecodedPacketsInfo);
//var effect = new SharpDX.XAPO.Fx.Echo(XAudio);
//EffectDescriptor effectDescriptor = new EffectDescriptor(effect);
//sourceVoice.SetEffectChain(effectDescriptor);
//sourceVoice.EnableEffect(0);
sourceVoice.Start();
TaskCompletionSource <object> mediaDone = new TaskCompletionSource <object>();
sourceVoice.StreamEnd += () => {
mediaDone.SetResult(null);
};
return(mediaDone.Task);
}
/// <summary>
/// Возвращает аудио буфер для файла.
/// </summary>
/// <param name="source">Путь к файлу.</param>
private async Task <AudioBufferAndMetaData> GetBuffer(string source)
{
if (cachedBuffers.ContainsKey(source))
{
return(cachedBuffers[source]);
}
var stream = (await(await StorageFile.GetFileFromApplicationUriAsync(new Uri(source)))
.OpenReadAsync()).AsStreamForRead();
lock (lockObject)
{
var soundstream = new SoundStream(stream);
var buffer = new AudioBufferAndMetaData
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
cachedBuffers[source] = buffer;
return(buffer);
}
}
public void ChangeSpeed(double modifier)
{
AudioBufferAndMetaData newBuffer = firstWave.Buffer;
voice.Stop();
newBuffer.Stream.Read(firstWave.Buffer.Stream.PositionPointer, 100000, 3);
voice = new SourceVoice(xAudio, newBuffer.WaveFormat, true);
voice.SourceSampleRate = (int)(defaultSampleRate * modifier);
voice.SubmitSourceBuffer(newBuffer, newBuffer.DecodedPacketsInfo);
voice.Start();
}
private AudioBufferAndMetaData GetBuffer(string soundfile)
{
var nativefilestream = new NativeFileStream(soundfile, NativeFileMode.Open, NativeFileAccess.Read, NativeFileShare.Read);
var soundstream = new SoundStream(nativefilestream);
var buffer = new AudioBufferAndMetaData
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
return(buffer);
}
private static AudioBufferAndMetaData GetBuffer(string soundfile)
{
if (!AudioBuffers.ContainsKey(soundfile))
{
var nativefilestream = new NativeFileStream(
soundfile,
NativeFileMode.Open,
NativeFileAccess.Read,
NativeFileShare.Read);
var soundstream = new SoundStream(nativefilestream);
var buffer = new AudioBufferAndMetaData()
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
AudioBuffers[soundfile] = buffer;
}
return(AudioBuffers[soundfile]);
}
private static AudioBufferAndMetaData GetBuffer(string soundfile)
{
if (!AudioBuffers.ContainsKey(soundfile))
{
var nativefilestream = new NativeFileStream(
soundfile,
NativeFileMode.Open,
NativeFileAccess.Read,
NativeFileShare.Read);
var soundstream = new SoundStream(nativefilestream);
var buffer = new AudioBufferAndMetaData()
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
AudioBuffers[soundfile] = buffer;
}
return AudioBuffers[soundfile];
}
private static AudioBufferAndMetaData GetBuffer(Stream soundfile)
{
var soundstream = new SoundStream(soundfile);
var buffer = new AudioBufferAndMetaData()
{
Stream = soundstream.ToDataStream(),
AudioBytes = (int)soundstream.Length,
Flags = BufferFlags.EndOfStream,
WaveFormat = soundstream.Format,
DecodedPacketsInfo = soundstream.DecodedPacketsInfo
};
return buffer;
}
