[Bug 31029] TrackMania United Forever: Images not show properly

http://bugs.winehq.org/show_bug.cgi?id=31029

--- Comment #7 from Dmitry Timoshkov  2012-06-27 10:40:11 CDT ---
(In reply to comment #6)
> What's the problem when there are multiple encoders that match the pattern? If
> the file format isn't supported, Initialize will fail, and seeking the stream
> afterwards won't break an existing decoder.
>
> It doesn't matter what is the stream position when Initialize is called. What
> matters is that the position is left alone between calls into the decoder after
> it is initialized.

So, what happens when a decoder from vendor1 is found and initialized, but
then a decoder from vendor2 is found and vendor2 is the preferred one?