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FIX: QASF Does Not Support VIDEOINFOHEADER2 for Windows Media Digital Rights Management Files

Article ID: 823738 - View products that this article applies to.

SYMPTOMS

When you use the Microsoft Windows Media DirectX Reader filter to play back content, you may notice distorted playback when you play certain types of Windows Media files that have been protected with Windows Media Digital Rights Management (DRM). Some files that may have playback issues include but are not limited to:

Files that use an aspect ratio. These files are played back as stretched video.
Files that use an interlacing filter.

Additionally, for files that have been protected with DRM, the QASF filter does not support direct connections to the Video Mixer Renderer (VMR).

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CAUSE

The QASF filter does not correctly support the VIDEOINFOHEADER2 structure for files that have been protected with DRM.

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RESOLUTION

The following file is available for download from the Microsoft Download Center:

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Download the WindowsMedia9-KB823738-x86-ENU.exe package now.

(http://download.microsoft.com/download/1/2/c/12ca4081-a4b8-4e9b-ae52-2754743f0421/windowsmedia9-kb823738-x86-enu.exe)

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591

(http://support.microsoft.com/kb/119591/ )

How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

   Date         Time   Version     Size     File name
   --------------------------------------------------
   28-Jun-2003  20:58  9.0.0.3017  241,664  Qasf.dll

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STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

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Properties

Article ID: 823738 - Last Review: August 4, 2004 - Revision: 1.2

APPLIES TO

Microsoft DirectX Software Development Kit 9.0

kbdownload kbqfe kbfix KB823738

Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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