[MPlayer-users] Re: [BUG] Wrong audio channel mapping when playing WMV3/WMVHD files

Corey Hickey bugfood-ml at fatooh.org
Tue Oct 31 05:44:03 CET 2006


Frank Aurich wrote:
> Dominik 'Rathann' Mierzejewski wrote:
>> On Sunday, 29 October 2006 at 17:27, Frank Aurich wrote:
>>> Hello,
>>>
>>> When playing some (most) of the WMV-HD files provided at 
>>> http://www.microsoft.com/windows/windowsmedia/musicandvideo/hdvideo/contentshowcase.aspx,
>>> Mplayer doesn't get the channel order of the 6ch audio right.
>>> The voice track is mapped to rear left (I wasn't able to figure out the 
>>> mapping of the other channels).
>>>
>>> I tested these samples:
>>>
>>> http://download.microsoft.com/download/6/1/c/61ca6316-a44f-46ef-9e8c-074c3dd813c0/To_The_Limit_720.exe
>>> http://download.microsoft.com/download/0/9/d/09d051c4-decc-4d39-9c57-f520187213a1/Amazing_Caves_720.exe
>>> http://download.microsoft.com/download/2/0/9/20907788-993F-4EF6-8D75-F0DD93207FB8/AdrenalineRush_720.exe
>>> This file was particularily interesting: When playing in Mplayer, I heard a 
>>> french voice from rear left.
>>> When using Media Player Classic, an English person spoke from the center. 
>>> AFAICT, the video has only one audio track.
>> Yes, this is a known problem, but AFAIK the maintainer of the code doesn't
>> have a 5.1 speaker setup. It would help if you could find the correct
>> mapping, for example using -af channels.
>>
>> Regards,
>> R.
>>
> 
> I did some digging and found the WMA channel mapping to be (supposedly):
> 
> FL FR C LFE SL SR

Did you find this in some documentation somewhere? If so, can you send a
URL? It would be useful for adding support for remapping other
configurations, such as 5.0 and 4.0.

-Corey



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