/// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
/// <summary>
/// A centralized place to close down all media devices.
/// </summary>
/// <history>
/// 01 Nov 18 Cynic - Started
/// </history>
private void CloseAllMediaDevices()
{
HResult hr;
LogMessage("CloseAllMediaDevices");
// close and release our call back handler
if (mediaSessionAsyncCallbackHandler != null)
{
// stop any messaging or events in the call back handler
mediaSessionAsyncCallbackHandler.ShutDown();
mediaSessionAsyncCallbackHandler = null;
}
// close the session (this is NOT the same as shutting it down)
if (mediaSession != null)
{
hr = mediaSession.Close();
if (hr != HResult.S_OK)
{
// just log it
LogMessage("CloseAllMediaDevices call to mediaSession.Close failed. Err=" + hr.ToString());
}
}
// Shut down the media source
if (mediaSource != null)
{
hr = mediaSource.Shutdown();
if (hr != HResult.S_OK)
{
// just log it
LogMessage("CloseAllMediaDevices call to mediaSource.Shutdown failed. Err=" + hr.ToString());
}
Marshal.ReleaseComObject(mediaSource);
mediaSource = null;
}
// Shut down the media session (note we only closed it before).
if (mediaSession != null)
{
hr = mediaSession.Shutdown();
if (hr != HResult.S_OK)
{
// just log it
LogMessage("CloseAllMediaDevices call to mediaSession.Shutdown failed. Err=" + hr.ToString());
}
Marshal.ReleaseComObject(mediaSession);
mediaSession = null;
}
// close the media sink
if (mediaSink != null)
{
Marshal.ReleaseComObject(mediaSink);
mediaSink = null;
}
}
private void CloseAllMediaDevices()
{
HResult hr;
Console.WriteLine("CloseAllMediaDevices");
// close and release our call back handler
if (mediaSessionAsyncCallbackHandler != null)
{
// stop any messaging or events in the call back handler
mediaSessionAsyncCallbackHandler.ShutDown();
mediaSessionAsyncCallbackHandler = null;
}
// Shut down the source reader
if (StreamReader != null)
{
Marshal.ReleaseComObject(StreamReader);
StreamReader = null;
}
// close the session (this is NOT the same as shutting it down)
if (mediaSession != null)
{
hr = mediaSession.Close();
if (hr != HResult.S_OK)
{
// just log it
Console.WriteLine("CloseAllMediaDevices call to mediaSession.Close failed. Err=" + hr.ToString());
}
}
// Shut down the media source
if (MediaSource != null)
{
hr = MediaSource.Shutdown();
if (hr != HResult.S_OK)
{
// just log it
Console.WriteLine("CloseAllMediaDevices call to mediaSource.Shutdown failed. Err=" + hr.ToString());
}
Marshal.ReleaseComObject(MediaSource);
MediaSource = null;
}
// Shut down the media session (note we only closed it before).
if (mediaSession != null)
{
hr = mediaSession.Shutdown();
if (hr != HResult.S_OK)
{
// just log it
Console.WriteLine("CloseAllMediaDevices call to mediaSession.Shutdown failed. Err=" + hr.ToString());
}
Marshal.ReleaseComObject(mediaSession);
mediaSession = null;
}
if (currentVideoMediaType != null)
{
Marshal.ReleaseComObject(currentVideoMediaType);
currentVideoMediaType = null;
}
}
/// <summary>
/// Closes the player
/// </summary>
public void Close()
{
Marshal.FinalReleaseComObject(m_Clock);
Marshal.FinalReleaseComObject(m_pDescriptor);
Marshal.FinalReleaseComObject(m_Rate);
Marshal.FinalReleaseComObject(m_Volume);
m_Session.Shutdown();
m_Session = null;
m_Eventthread.Join();
GC.SuppressFinalize(this);
}
////////////////////////////////////////////////////////////////////////////////////////
// Name: CPlayer::ShutDown (Public)
// Description:
// Releases all resources and shuts down Media Foundation
///////////////////////////////////////////////////////////////////////////////////////////
HResult ShutDown()
{
Debug.WriteLine("\nCPlayer::ShutDown");
HResult hr = 0;
IMFMediaSource pMediaSource;
try
{
//Call shutdown on the sequencer source
pMediaSource = (IMFMediaSource)m_pSequencerSource;
hr = pMediaSource.Shutdown();
MFError.ThrowExceptionForHR(hr);
//Close media session
if (m_pMediaSession != null)
{
hr = m_pMediaSession.Close();
MFError.ThrowExceptionForHR(hr);
// Wait for the close operation to complete
bool res = m_hCloseEvent.WaitOne(5000, false);
if (!res)
{
Debug.WriteLine("WaitForSingleObject timed out!");
}
m_hCloseEvent.Close();
m_hCloseEvent = null;
}
//Shutdown media session
hr = m_pMediaSession.Shutdown();
MFError.ThrowExceptionForHR(hr);
// Shut down Media Foundation.
hr = MFExtern.MFShutdown();
MFError.ThrowExceptionForHR(hr);
}
catch (Exception e)
{
hr = (HResult)Marshal.GetHRForException(e);
}
SafeRelease(m_pMediaSession);
SafeRelease(m_pSequencerSource);
SafeRelease(m_pPresentationClock);
SafeRelease(m_pAudioRendererActivate);
return(hr);
}
public void Dispose()
{
if (m_Session != null)
{
Marshal.FinalReleaseComObject(m_clock);
Marshal.FinalReleaseComObject(m_rate);
Marshal.FinalReleaseComObject(m_volume);
m_Session.Shutdown();
m_Session = null;
m_eventthread?.Join();
}
GC.SuppressFinalize(this);
}
protected void CloseSession()
{
int hr;
/*if (m_pVideoDisplay != null)
* {
* Marshal.ReleaseComObject(m_pVideoDisplay);
* m_pVideoDisplay = null;
* }
*/
if (m_pSession != null)
{
hr = m_pSession.Close();
MFError.ThrowExceptionForHR(hr);
// Wait for the close operation to complete
/*bool res = m_hCloseEvent.WaitOne(5000, true);
* if (!res)
* {
* TRACE(("WaitForSingleObject timed out!"));
* }*/
}
// Complete shutdown operations
// 1. Shut down the media source
if (m_pSource != null)
{
hr = m_pSource.Shutdown();
MFError.ThrowExceptionForHR(hr);
COMBase.SafeRelease(m_pSource);
m_pSource = null;
}
// 2. Shut down the media session. (Synchronous operation, no events.)
if (m_pSession != null)
{
hr = m_pSession.Shutdown();
Marshal.ReleaseComObject(m_pSession);
m_pSession = null;
}
}
/// <summary>
/// Close a Media Session
/// </summary>
protected void CloseSession()
{
if (m_pVideoDisplay != null)
{
Marshal.ReleaseComObject(m_pVideoDisplay);
m_pVideoDisplay = null;
}
if (m_pSession != null)
{
m_pSession.Close();
// Wait for the close operation to complete
bool res = m_hCloseEvent.WaitOne(WAIT_TIMEOUT, true);
if (!res)
{
TRACE("WaitForSingleObject Timed Out !");
}
}
// Complete shutdown operations
// 1. Shut down the media source
if (m_pSource != null)
{
m_pSource.Shutdown();
SafeRelease(m_pSource);
m_pSource = null;
}
// 2. Shut down the media session. (Synchronous operation, no events.)
if (m_pSession != null)
{
m_pSession.Shutdown();
Marshal.ReleaseComObject(m_pSession);
m_pSession = null;
}
}