[vorbis-dev] crc

[Dominik Kuhlen]

Hello !
On Friday 08 August 2003 04:59, Greg Hazel wrote:
> I'm trying to generate the 4-byte crc code for the comment tag in an ogg
> file.. Can anyone point me to a function where this is done?
> Unfortunately, I can't use the lib directly, and the crc function I did
> find in it doesn't seem to do what I want directly. But, that might mean
> I'm not feeding it the right chunk of data.
>
> Any details would be helpful - yes I read the docs and I still don't
> quote understand. Thanks.

Did you set the CRC field to zero before calculating the CRC?
Is there another way (i.e. not setting this to zero) ?

I attached a simple program that reads the first oggpage (and much more)
and calculates the CRC. I hope that the first page is always 0x3a bytes.

Dominik

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