FIX: The playback of a .mp3 audio file that contains ID3 tags starts from an incorrect position on a Windows Embedded Compact 7-based device

Symptoms

Consider the following scenario:

  • You create an application to play .mp3 audio files on a Windows Embedded Compact 7-based device.

  • The .mp3 audio file contains ID3 tags.

  • You change a playback position by using the IMediaSeeking::SetPositions┬ámethod of the DirectShow Interface.


In this scenario, the audio file is played from the previous position instead of the position that is passed by the SetPositions method.

Cause

This problem occurs because the MPEG1 splitter filter passes an incorrect offset of the file that does not include the ID3 tag header size to the source filter.

Resolution

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update February 2012. In the "File information" section, the package file name contains the processor type.

Note This Windows Embedded Compact 7 Monthly Update is available for download from the following Microsoft Download Center website:

Windows Embedded Compact 7 Updates

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

  • On the Build menu, click Clean Solution, and then click Build Solution.

  • On the Build menu, click Rebuild Solution.

You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package 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.

Files that are included in this update package

File name

File size

Date

Time

Path

Mpgsplit.lib

913,256

16-Feb-2012

20:54

Public\Directx\Oak\Lib\Armv5\Checked

Mpgsplit.lib

979,578

16-Feb-2012

20:54

Public\Directx\Oak\Lib\Armv5\Debug

Mpgsplit.lib

898,270

16-Feb-2012

20:54

Public\Directx\Oak\Lib\Armv5\Retail

Mpgsplit.lib

913,704

16-Feb-2012

20:55

Public\Directx\Oak\Lib\Armv6\Checked

Mpgsplit.lib

980,090

16-Feb-2012

20:55

Public\Directx\Oak\Lib\Armv6\Debug

Mpgsplit.lib

898,724

16-Feb-2012

20:55

Public\Directx\Oak\Lib\Armv6\Retail

Mpgsplit.lib

911,054

16-Feb-2012

20:56

Public\Directx\Oak\Lib\Armv7\Checked

Mpgsplit.lib

976,926

16-Feb-2012

20:56

Public\Directx\Oak\Lib\Armv7\Debug

Mpgsplit.lib

896,058

16-Feb-2012

20:56

Public\Directx\Oak\Lib\Armv7\Retail

Mpgsplit.lib

874,370

16-Feb-2012

20:57

Public\Directx\Oak\Lib\Mipsii\Checked

Mpgsplit.lib

967,678

16-Feb-2012

20:57

Public\Directx\Oak\Lib\Mipsii\Debug

Mpgsplit.lib

856,102

16-Feb-2012

20:57

Public\Directx\Oak\Lib\Mipsii\Retail

Mpgsplit.lib

874,864

16-Feb-2012

20:58

Public\Directx\Oak\Lib\Mipsii_fp\Checked

Mpgsplit.lib

968,168

16-Feb-2012

20:58

Public\Directx\Oak\Lib\Mipsii_fp\Debug

Mpgsplit.lib

856,586

16-Feb-2012

20:58

Public\Directx\Oak\Lib\Mipsii_fp\Retail

Mpgsplit.lib

842,486

16-Feb-2012

20:59

Public\Directx\Oak\Lib\Sh4\Checked

Mpgsplit.lib

932,606

16-Feb-2012

20:59

Public\Directx\Oak\Lib\Sh4\Debug

Mpgsplit.lib

827,192

16-Feb-2012

20:59

Public\Directx\Oak\Lib\Sh4\Retail

Mpgsplit.lib

840,290

16-Feb-2012

21:00

Public\Directx\Oak\Lib\X86\Checked

Mpgsplit.lib

867,792

16-Feb-2012

21:00

Public\Directx\Oak\Lib\X86\Debug

Mpgsplit.lib

821,706

16-Feb-2012

21:00

Public\Directx\Oak\Lib\X86\Retail

References

For more information about how to set the playback positions in an audio file, visit the following Microsoft Developer Network (MSDN) website:

IMediaSeeking::SetPositions (Windows Embedded Compact 7)For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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