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A memory leak occurs when you use a DirectShow-based application to play Motion JPEG-encoded media files on a computer that is running Windows Vista SP2 or Windows Server 2008 SP2Article ID: 974875 - View products that this article applies to. On This PageSYMPTOMSYou have a Microsoft DirectShow-based application on a computer that is running Windows Vista Service Pack 2 (SP2) or Windows Server 2008 Service Pack 2 (SP2). You use the DirectShow-based application to play a media file that is encoded by using the motion JPEG codec. Then, a memory leak occurs. If you use the Performance Monitor (Perfmon.exe) to monitor the DirectShow-based application, you notice that the Private Bytes counter continually increases. Additionally, the DirectShow-based application may occasionally restart. Note This problem also occurs when you use a DirectShow-based application to play streaming motion JPEG images from a video camera. CAUSEThis problem occurs because of an error in the DirectShow Core DLL (Quarzt.dll). This error causes a memory leak in Quarzt.dll, when you use a DirectShow-based application to play media files that are encoded by using the motion JPEG codec. RESOLUTIONHotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
(http://support.microsoft.com/contactus/?ws=support)
Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the Hotfix Request page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page. PrerequisitesTo apply this hotfix, your computer must be running one of the following operating systems:
935791
(http://support.microsoft.com/kb/935791/
)
How to obtain the latest Windows Vista service pack
For more information about how to install the Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 968849
(http://support.microsoft.com/kb/968849/
)
How to obtain the latest service pack for Windows Server 2008
Restart requirementYou do not have to restart the computer after you apply this hotfix.Registry informationTo use one of the hotfixes in this package, you do not have to make any changes to the registry.File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Windows Vista and Windows Server 2008 file information notes
For all supported x86-based versions of Windows Server 2008 and of Windows VistaCollapse this table
For all supported x64-based versions of Windows Server 2008 and of Windows VistaCollapse this table
For all supported Itanium-based versions of Windows Server 2008Collapse this table
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATIONFor more information about Microsoft DirectShow, visit the following Microsoft Developer Network (MSDN) Web site: http://msdn.microsoft.com/en-us/library/dd375454%28VS.85%29.aspx For more information about MJPEG Decompressor Filter, visit the following Microsoft Developer Network (MSDN) Web site:
(http://msdn.microsoft.com/en-us/library/dd375454%28VS.85%29.aspx)
http://msdn.microsoft.com/en-us/library/dd390691%28VS.85%29.aspx
(http://msdn.microsoft.com/en-us/library/dd390691%28VS.85%29.aspx)
Additional file information for Windows Server 2008 and for Windows VistaAdditional files for all supported x86-based versions of Windows Server 2008 and of Windows VistaCollapse this table
Additional files for all supported x64-based versions of Windows Server 2008 and of Windows VistaCollapse this table
Additional files for all supported Itanium-based versions of Windows Server 2008Collapse this table
PropertiesArticle ID: 974875 - Last Review: October 7, 2011 - Revision: 2.0 APPLIES TO
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