[issue47] ffmpeg cannot transcode certain ogg theora files

New submission from dood12345 <daniel <at> zelisko.net>:

I noticed that ffmpeg cannot trancode certain ogg (theora) files 
correctly. in the result file there is no video, just the audio track.
However ffplay reproduces the file without any problem.

My command line:
ffmpeg -i low.ogg -s qcif -r 12 -ac 1 -ar 8000 -b 30 -ab 12 -t 60  
sofy.3gp

More info on pastebin:
http://pastebin.com/d675bac7c

I noticed this problem appears when trying to transcode files made with 
wget from live streams. For example I got the mine using:
http://195.10.10.102:80/tv3/tv3/low.ogg

my system is ubuntu feisty.

----------
messages: 145
nosy: dood12345
priority: normal
status: new
substatus: new
title: ffmpeg cannot transcode certain ogg theora files
type: bug

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FFmpeg issue tracker <ffmpeg_issues <at> live.polito.it>
<https://roundup.mplayerhq.hu/roundup/ffmpeg/issue47>
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