public HResult Invoke(IMFAsyncResult result)
{
IMFMediaEvent mediaEvent = null;
MediaEventType mediaEventType = MediaEventType.MEUnknown;
bool getNext = true;
try
{
_basePlayer.mf_MediaSession.EndGetEvent(result, out mediaEvent);
mediaEvent.GetType(out mediaEventType);
mediaEvent.GetStatus(out HResult errorCode);
if (_basePlayer._playing)
{
if (mediaEventType == MediaEventType.MEError ||
(_basePlayer._webcamMode && mediaEventType == MediaEventType.MEVideoCaptureDeviceRemoved) ||
(_basePlayer._micMode && mediaEventType == MediaEventType.MECaptureAudioSessionDeviceRemoved))
//if (errorCode < 0)
{
_basePlayer._lastError = errorCode;
errorCode = Player.NO_ERROR;
getNext = false;
}
if (errorCode >= 0)
{
if (!getNext || mediaEventType == MediaEventType.MESessionEnded)
{
if (getNext)
{
_basePlayer._lastError = Player.NO_ERROR;
if (!_basePlayer._repeat)
{
getNext = false;
}
}
Control control = _basePlayer._display;
if (control == null)
{
FormCollection forms = Application.OpenForms;
if (forms != null && forms.Count > 0)
{
control = forms[0];
}
}
if (control != null)
{
control.BeginInvoke(CallEndOfMedia);
}
else
{
_basePlayer.AV_EndOfMedia();
}
}
}
else
{
_basePlayer._lastError = errorCode;
}
}
else
{
_basePlayer._lastError = errorCode;
}
}
finally
{
if (getNext && mediaEventType != MediaEventType.MESessionClosed)
{
_basePlayer.mf_MediaSession.BeginGetEvent(this, null);
}
if (mediaEvent != null)
{
Marshal.ReleaseComObject(mediaEvent);
}
if (_basePlayer.mf_AwaitCallback)
{
_basePlayer.mf_AwaitCallback = false;
_basePlayer.WaitForEvent.Set();
}
_basePlayer.mf_AwaitDoEvents = false;
}
return(0);
}
