Hi,

   I'm working in an application that uses the WM SDK 9.5 to create ASF files. The idea of this files is to be reproduced in many computers, so the important thing is that works in Windows Media Player (WMP).

   The structure of this ASF consists in two audio streams (without a mutex object!), and one video stream, all with third party codec. I need two audio streams, because each one identified the customer and operator stream.

   In my work I'm using WMP 11, the ASF is reproduced fine, but when I try to do a forward seek, the ASF files starts from the beginning.

   At first, I thought that maybe was an error from the codec side, so I developed other project in order to get this doubt out. This project created an ASF file with two audio streams (G711 Codec powered by Windows XP) and one video streams (RAW).

   Later on a several tests, I achieved an ASF file that works in WMP 11 and with the seeking too, I saw its fields in "Windows Media ASF Viewer 9 Series" (powered by Microsoft too) and I found a difference between each ASF's timestamp. I migrated the changes into my application, but it continued without working (the seeking). Therefore, I have an ASF file that works fine in WMP 9/10 and 11 too!, maybe this could help microsoft wmp team to fix the seeking bug.

   If I don't put information into one of the two audio streams (only the video stream and one audio stream have data), then the seeking works fine.

   In WMP 9, and WMP 10, with the same ASF files, the seeking is working fine too!

   So, I posted in Microsoft Forum, in several oportunitties, without get any solution more than the seeking (with two audio streams without a mutex object) is not working in WMP 11. These people told me that this is a bug in WMP 11 and from the Microsoft side "it has no priority to solution in this version".

   In addition, the Surround Technology in the ASF structure does not work in WMP 11 without other thing than PCM data... I couldn't find any 2.1 or 5.1 ASF file.

What can I do?

This is an known issue?

When can Microsoft solve this problem?

When will the next version of WMP (12, I guess) release ?

Thanks in Advance.

Damian Nardelli.

Links from Microsoft Forum:

http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.windowsmedia.sdk&tid=98c0fda0-6537-4298-8b86-4202ea5cc95e&cat=&lang=&cr=&sloc=&p=1

http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.windowsmedia.sdk&tid=33267cd8-549e-472c-ba43-5cea0efe35f3&cat=&lang=&cr=&sloc=&p=1

Thanks for your answer.

Do you know the scope of this bug in WMP 11?


I think that the WMP 11 was released in October 2006, so it has been a long time from that!.

It'd be nice that the microsoft team can release some new version that solve this bug and the other bugs that must exist in WMP 11.


Thanks in advance :)

Damian Nardelli.

From the beginning?

My ASF files seem to play fine in WMP 9 & 10. This problem, I think, appeared in WMP 11.

Thanks.

Damian Nardelli