/// <summary>
/// Tries to resolve a valid format pointer for the audio client.
/// </summary>
/// <param name="audioClient">The audio client to use.</param>
/// <param name="shareMode">The share mode to use.</param>
/// <returns>A pointer to a valid format, or zero if one cannot be found.</returns>
public static IntPtr GetFormatPointer(IAudioClient audioClient, AUDCLNT_SHAREMODE shareMode)
{
var formatPtr = IntPtr.Zero;
if (shareMode == AUDCLNT_SHAREMODE.AUDCLNT_SHAREMODE_SHARED)
{
audioClient.GetMixFormat(out formatPtr);
}
else
{
// Otherwise we need to find a supported format
foreach (var format in TestWaveFormats)
{
var formatMatch = IntPtr.Zero;
var supported = audioClient.IsFormatSupported(shareMode, format, out formatMatch);
if (supported == 0)
{
formatPtr = format; break;
}
else if (supported == 1)
{
formatPtr = formatMatch; break;
}
}
if (formatPtr == IntPtr.Zero)
{
Assert.Inconclusive("Unable to find a valid format pointer.");
}
}
return(formatPtr);
}
/// <summary>
/// Runs each test, creating the specified interface from the IAudioClient.GetService method.
/// Tests are run only in the specified share mode.
/// </summary>
/// <param name="shareMode">The audio client share mode.</param>
/// <param name="onTestReady">The test method to use.</param>
protected virtual void ExecuteServiceTest(AUDCLNT_SHAREMODE shareMode, TestReadyDelegate <T> onTestReady)
{
var exclusiveMode = (shareMode == AUDCLNT_SHAREMODE.AUDCLNT_SHAREMODE_EXCLUSIVE);
Manager = ServiceTestManager <T> .Create(ComIID, exclusiveMode);
Manager.OnTestReady = onTestReady;
Manager.Run();
}
/// <summary>
/// Runs each test, creating the specified interface from the IAudioClient.GetService method.
/// Tests are run only in the specified share mode, with the audio client in the running (started) state.
/// </summary>
/// <param name="shareMode">The audio client share mode.</param>
/// <param name="onTestReady">The test method to use.</param>
protected virtual void ExecuteRunningServiceTest(AUDCLNT_SHAREMODE shareMode, TestReadyDelegate <T> onTestReady)
{
var exclusiveMode = (shareMode == AUDCLNT_SHAREMODE.AUDCLNT_SHAREMODE_EXCLUSIVE);
var serviceTestManager = ServiceTestManager <T> .Create(ComIID, exclusiveMode);
serviceTestManager.AutoStartClient = true;
Manager = serviceTestManager;
Manager.OnTestReady = onTestReady;
Manager.Run();
}
public int IsFormatSupported(AUDCLNT_SHAREMODE ShareMode, [NativeTypeName("const WAVEFORMATEX *")] WAVEFORMATEX *pFormat, [NativeTypeName("WAVEFORMATEX **")] WAVEFORMATEX **ppClosestMatch)
{
return(((delegate * unmanaged <IAudioClient2 *, AUDCLNT_SHAREMODE, WAVEFORMATEX *, WAVEFORMATEX **, int>)(lpVtbl[7]))((IAudioClient2 *)Unsafe.AsPointer(ref this), ShareMode, pFormat, ppClosestMatch));
}
public int Initialize(AUDCLNT_SHAREMODE ShareMode, [NativeTypeName("DWORD")] uint StreamFlags, [NativeTypeName("REFERENCE_TIME")] long hnsBufferDuration, [NativeTypeName("REFERENCE_TIME")] long hnsPeriodicity, [NativeTypeName("const WAVEFORMATEX *")] WAVEFORMATEX *pFormat, [NativeTypeName("LPCGUID")] Guid *AudioSessionGuid)
{
return(((delegate * unmanaged <IAudioClient2 *, AUDCLNT_SHAREMODE, uint, long, long, WAVEFORMATEX *, Guid *, int>)(lpVtbl[3]))((IAudioClient2 *)Unsafe.AsPointer(ref this), ShareMode, StreamFlags, hnsBufferDuration, hnsPeriodicity, pFormat, AudioSessionGuid));
}
