[ogg-dev] How to fix broken ogg/theora files

[Conrad Parker]

2008/11/13 Oliver Frommel <ofrommel at linuxnewmedia.de>:
>>>
>>> Examples of error messages follow:
>>> $ oggz-validate jnazario.ogg
>>> jnazario.ogg: Error:
>>> 00:55:27.957: serialno 0846930886: Packet out of order (previous
>>> 00:55:27.960)
>>> 01:05:09.077: serialno 0846930886: Packet out of order (previous
>>> 01:05:09.080)
>>>
>>> Are there any tools that can reliably fix broken Ogg/Theora files?
>>> What's to be done to create such a tool if there is none yet?
>>
>>
>> for that particular error (packets out of order), oggz-sort should be
>> able to fix the files for you.
>>
>
> Thanks for the suggestion. Unfortunately it did not help completely.
> When we edit the original file with oggCut and then use oggz-validate we
> get an error message like the one posted before. Now oggz-sort will fix
> the file so oggz-validate doesn't find any errors. However ffmpeg still
> produces and error with it:
>
> ffmpeg -i rlang.ogg -ab 56 -ar 22050 -acodec libmp3lame  rlang.flv
>
> [vorbis @ 0x880dbb0]Not a Vorbis I audio packet.
> [vorbis @ 0x880dbb0]Not a Vorbis I audio packet.
> [vorbis @ 0x880dbb0]Not a Vorbis I audio packet.
> [theora @ 0x87fd4f0]Header packet passed to frame decoder, skipping
> Error while decoding stream #0.0
> [theora @ 0x87fd4f0]Header packet passed to frame decoder, skipping
> Error while decoding stream #0.0
> [theora @ 0x87fd4f0]Header packet passed to frame decoder, skipping
> Error while decoding stream #0.0
> [theora @ 0x87fd4f0]Header packet passed to frame decoder, skipping
> Error while decoding stream #0.0
> [theora @ 0x87fd4f0]Warning, unsupported keyframe coding type?!
> [theora @ 0x87fd4f0]Header packet passed to frame decoder, skipping
> Error while decoding stream #0.0
> Segmentation fault
>
> This is the same error we had before fixing the file with oggz-sort
> Any other suggestions?

that's very interesting, can you please post a URL to the files?

Conrad.