CStatusInterface.h File Reference


Detailed Description

MODULE : CStatusInterface.

FILE NAME : CStatusInterface.h

DESCRIPTION : Implementation of COM IStatusInterface

This interface enables communication between a DirectShow filter and the main application using the GetLastError and SetLastError methods.

The GetLastError, GetFriendlyID and SetFriendlyID methods should be called from the application code. The friendly ID is used purely for filter identification purposes. It is the responsibility of the developer to assign unique IDs to each filter that supports this interface on filter creation. The last error that occurred in the filter can be obtained by calling GetLastError.

The SetLastError should be called from within the filter code itself. If a media event sink has been set, the main application will be notified of the error via the Windows event WM_TM_GRAPHNOTIFY. The main application can then use the friendly ID to determine which filter caused the event.

LICENSE: Software License Agreement (BSD License)

Copyright (c) 2008, Meraka Institute All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the Meraka Institute nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Definition in file CStatusInterface.h.

#include <DirectShow/StatusInterface.h>
#include <Windows.h>

Go to the source code of this file.

Data Structures

class  CStatusInterface


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