[Ffmpeg-devel] VP3 decoding issue

[Mike Melanson]

Derk-Jan Hartman wrote:
> On 12-okt-2005, at 21:52, matthieu castet wrote:
> 
>> Derk-Jan Hartman wrote:
>>
>>> Apparently a while ago VP3 decoding stopped working in VLC and  ffmpeg.
>>> http://sidekick.student.utwente.nl/videolan/VP3-Artifact.mov
>>>
>> Server returned 403: Forbidden ....
>>
>>
>> Does it play fine with vp3 binary decoder.
>> If it works with previous version of ffmpeg, could you find which  
>> commit break it ?
> 
> 
> All my VP3 NSV streams that i tested are broken, and I traced the bug  
> to vp3.c 1.51 -> 1.52
> 
> revision 1.52
> date: 2005/05/17 23:39:23;  author: melanson;  state: Exp;  lines:  +45 -11
> use VLCs for in place of get_fragment_run_length(), get_mode_code(), and
> get_motion_vector_vlc()
> 
> Something there broke vp3 on MacOS X PPC.
> Anyone could help me getting any further from this point?

	I made those changes (as the CVS notes). I remember validating the 
changes extensively. Is it possible that the PPC's VLC readers are 
messed up? Some weird optimizations that are not returning the correct 
numbers?

-- 
	-Mike Melanson