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...where it > > terminates without actually decoding the bits? > No. The first header is fixed length the second two are variable. It > should be immediately followed by a new page header though; if there's > no corruption you could try that. In other words, everything in between ^Evorbis and OggS is the setup header? Adam

...cles/00/04/11/118219.shtml http://www.kuro5hin.org/?op=displaystory&sid=2000/06/16/17383/5971 and more are coming :) Also, as if the press wasn't enough: at least two new vorbis sites: www.govorbis.com www.vorbiszone.com Which prompted me to try and see what other domains got taken... evorbis.com ivorbis.com myvorbis.com vorbismusic.com vorbisaudio.com vorbisnow.com all taken. They are selling like hotcakes. And now for the web stats: I don't have the stats for xiph.org, but vorbis.com: over 6,000 downloads of vorbis plugins and encoders 45,000 hits in two days 18,000 page vie...

...cles/00/04/11/118219.shtml http://www.kuro5hin.org/?op=displaystory&sid=2000/06/16/17383/5971 and more are coming :) Also, as if the press wasn't enough: at least two new vorbis sites: www.govorbis.com www.vorbiszone.com Which prompted me to try and see what other domains got taken... evorbis.com ivorbis.com myvorbis.com vorbismusic.com vorbisaudio.com vorbisnow.com all taken. They are selling like hotcakes. And now for the web stats: I don't have the stats for xiph.org, but vorbis.com: over 6,000 downloads of vorbis plugins and encoders 45,000 hits in two days 18,000 page vie...

In my ongoing quest to restore corrupted ogg files, I'm trying to find an easy way to identify the setup header without having to actually decode it. I understand that it starts with [packet_type] = 5 and then the string 'vorbis', but is there some way to figure out where it terminates without actually decoding the bits?

...erminates without actually decoding the bits? >> No. The first header is fixed length the second two are variable. It >> should be immediately followed by a new page header though; if there's >> no corruption you could try that. > > In other words, everything in between ^Evorbis and OggS is the setup > header? no, you can't just rip the bytes out because the setup header may be split across two pages. eg. looking at the start of the stream with "hogg pagedump": conrad at chichai:~/share/484$ hogg pagedump unfixed_corrupted.ogg |head -n 12 0x00000000: V...

...y decoding the bits? > >> No. The first header is fixed length the second two are variable. It > >> should be immediately followed by a new page header though; if there's > >> no corruption you could try that. > > > > In other words, everything in between ^Evorbis and OggS is the setup > > header? > no, you can't just rip the bytes out because the setup header may be > split across two pages. Great! I think this was the key missing piece of my attempted fix. It is a complete and terrible hack, but I think it will actually generalize fairly...