HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.None;
pdwQueue = 0;
return(HResult.S_OK);
}
// IMFAsyncCallback 実装
public HResult GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
// このメソッドの実装はオプション。今回は実装しない。
pdwFlags = MFASync.None;
pdwQueue = MFAsyncCallbackQueue.Undefined;
return(HResult.E_NOTIMPL);
}
public HResult GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = 0;
pdwQueue = 0;
return(HResult.E_NOTIMPL);
}
HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
return(HResult.E_NOTIMPL);
}
public int GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
//throw new Exception("The method or operation is not implemented.");
return 0;
}
HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
//throw new COMException("IMFAsyncCallback.GetParameters not implemented in Player", E_NotImplemented);
return(HResult.S_OK);
}
/// <summary>
/// Part of the IMFAsyncCallback interface. Provides configuration information
/// to the dispatching thread for a callback.
/// </summary>
/// <param name="pdwFlags">Receives a flag indicating the behavior of the callback object's IMFAsyncCallback::Invoke method.</param>
/// <param name="pdwQueue">Receives the identifier of the work queue on which the callback is dispatched.</param>
HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
// We are saying the callback does very minimal processing. It takes less than 1 millisecond to complete.
// This callback must be invoked from one of the following work queues:
// MFASYNC_CALLBACK_QUEUE_IO
// MFASYNC_CALLBACK_QUEUE_TIMER
pdwFlags = MFASync.FastIOProcessingCallback;
// The docs say that in most cases, applications should use MFASYNC_CALLBACK_QUEUE_MULTITHREADED.
// We use the standard here which is used for synchronous operations. Using the standard work queue may run the risk of deadlocking.
pdwQueue = MFAsyncCallbackQueue.Standard;
// return our configuration
return(HResult.S_OK);
}
public HResult GetParameters(out MFASync a, out MFAsyncCallbackQueue b)
{
// Make sure we *never* leave this entry point with an exception
try
{
// Implementation of this method is optional.
throw new COMException("GetParameters not implemented", (int)HResult.E_NOTIMPL);
}
catch (Exception e)
{
a = MFASync.None;
b = MFAsyncCallbackQueue.Undefined;
return((HResult)Marshal.GetHRForException(e));
}
}
HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
// Make sure we *never* leave this entry point with an exception
try
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
//throw new COMException("IMFAsyncCallback.GetParameters not implemented in Player", E_NotImplemented);
return(HResult.S_OK);
}
catch (Exception e)
{
pdwQueue = MFAsyncCallbackQueue.Undefined;
pdwFlags = MFASync.None;
return((HResult)Marshal.GetHRForException(e));
}
}
public int GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
// Make sure we *never* leave this entry point with an exception
try
{
throw new NotImplementedException();
}
catch (Exception e)
{
pdwQueue = MFAsyncCallbackQueue.Undefined;
pdwFlags = MFASync.None;
return Marshal.GetHRForException(e);
}
}
int IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.None;
pdwQueue = 0;
return S_Ok;
}
public int GetParameters(out MFASync a, out MFAsyncCallbackQueue b)
{
// Make sure we *never* leave this entry point with an exception
try
{
// Implementation of this method is optional.
throw new COMException("GetParameters not implemented", COMBase.E_NotImplemented);
}
catch (Exception e)
{
a = MFASync.None;
b = MFAsyncCallbackQueue.Undefined;
return Marshal.GetHRForException(e);
}
}
public HResult GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
return(HResult.S_OK);
}
public int GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = 0;
pdwQueue = 0;
return E_NotImplemented;
}
// IMFAsyncCallback.GetParameters
// This is allowed to return E_NOTIMPL as a way of specifying
// there are no special parameters.
public HResult GetParameters(out MFAsync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFAsync.None;
pdwQueue = MFAsyncCallbackQueue.Standard;
return(HResult.E_NOTIMPL);
}
int IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
// Make sure we *never* leave this entry point with an exception
try
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
//throw new COMException("IMFAsyncCallback.GetParameters not implemented in Player", E_NotImplemented);
return S_Ok;
}
catch (Exception e)
{
pdwQueue = MFAsyncCallbackQueue.Undefined;
pdwFlags = MFASync.None;
return Marshal.GetHRForException(e);
}
}
public int GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
throw new COMException("The method or operation is not implemented.", E_NotImplemented);
}
void IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
pdwFlags = MFASync.FastIOProcessingCallback;
pdwQueue = MFAsyncCallbackQueue.Standard;
//throw new COMException("IMFAsyncCallback.GetParameters not implemented in Player", E_NotImplemented);
}
public int GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
throw new NotImplementedException();
}
HResult IMFAsyncCallback.GetParameters(out MFASync pdwFlags, out MFAsyncCallbackQueue pdwQueue)
{
/// add-on interfaces can use explicit implementation...
}
