/// <summary>
/// Initialize for playing the specified wave stream
/// </summary>
/// <param name="waveProvider">IWaveProvider to play</param>
public void Initialize(IWaveProvider waveProvider)
{
long latencyRefTimes = latencyMilliseconds * 10000;
outputFormat = waveProvider.WaveFormat;
var approFormat = audioClient.CheckSupportFormat(shareMode, outputFormat); // 規定フォーマットが対応しているかどうかのCheck.
if (approFormat != null)
{
// 対応していない場合は、システムから提示のあった近似フォーマットで再度確認する。
if (!audioClient.IsFormatSupported(shareMode, approFormat))
{
throw new ArgumentException("Unsupported Wave Format");
}
outputFormat = approFormat;
}
//audioClient.Initialize(shareMode, EAudioClientStreamFlags.None, 1000000, 0, outputFormat, Guid.Empty);
//ResamplerStream = new ResamplerDmoStream(waveProvider, outputFormat);
//this.sourceProvider = ResamplerStream;
//this.sourceProvider = waveProvider;
this.sourceProvider = new ResampleWaveProvider(waveProvider, outputFormat);
// If using EventSync, setup is specific with shareMode
if (isUsingEventSync)
{
// Init Shared or Exclusive
if (shareMode == EAudioClientShareMode.Shared)
{
// With EventCallBack and Shared, both latencies must be set to 0
audioClient.Initialize(shareMode, EAudioClientStreamFlags.EventCallback, 0, 0, outputFormat, Guid.Empty);
// Get back the effective latency from AudioClient
latencyMilliseconds = (int)(audioClient.StreamLatency / 10000);
}
else
{
// With EventCallBack and Exclusive, both latencies must equals
audioClient.Initialize(shareMode, EAudioClientStreamFlags.EventCallback, latencyRefTimes, latencyRefTimes, outputFormat, Guid.Empty);
}
// Create the Wait Event Handle
frameEventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
audioClient.SetEventHandle(frameEventWaitHandle);
}
else
{
// Normal setup for both sharedMode
audioClient.Initialize(shareMode, EAudioClientStreamFlags.None, latencyRefTimes, 0, outputFormat, Guid.Empty);
}
Debug.WriteLine(string.Format("RenderAudioClient: {0}", audioClient.ToString()));
// Get the RenderClient
renderClient = audioClient.AudioRenderClient;
}
private void InitializeCaptureDevice()
{
if (isInitialized)
{
return;
}
long requestedDuration = REFTIMES_PER_MILLISEC * 100;
var streamFlags = GetAudioClientStreamFlags();
var shareMode = EAudioClientShareMode.Shared;
var approFormat = audioClient.CheckSupportFormat(shareMode, WaveFormat); // 規定フォーマットが対応しているかどうかのCheck.
if (approFormat != null)
{
// 対応していない場合は、システムから提示のあった近似フォーマットで再度確認する。
if (!audioClient.IsFormatSupported(shareMode, approFormat))
{
throw new ArgumentException("Unsupported Wave Format");
}
// 近似フォーマットを採用して続行。
WaveFormat = approFormat;
}
audioClient.Initialize(
shareMode,
streamFlags,
requestedDuration,
0,
WaveFormat,
Guid.Empty);
Debug.WriteLine(string.Format("CaptureAudioClient: {0}", audioClient.ToString()));
var bufferFrameCount = audioClient.BufferSize;
this.bytesPerFrame = this.WaveFormat.Channels * this.WaveFormat.BitsPerSample / 8;
this.recordBuffer = new byte[bufferFrameCount * bytesPerFrame];
Debug.WriteLine(string.Format("record buffer size = {0}", this.recordBuffer.Length));
//WaveProvider = new InnerWaveProvider(this);
waveProvider = new BufferedWaveProvider(WaveFormat);
//waveProvider = new ResampleWaveProvider(WaveFormat, WaveFormat);
frameEventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
audioClient.SetEventHandle(frameEventWaitHandle);
isInitialized = true;
}
