[theora-dev] further debugging of my ogg/theora decoder

Ralph Giles giles at xiph.org
Tue Nov 18 02:28:35 PST 2008


On Tue, Nov 18, 2008 at 2:21 AM, salsaman <salsaman at gmail.com> wrote:

> Right, that is what I would expect. I think I will write an ogg file checker
> that checks all granulepos and keyframes to make sure the problem is not in
> my test files. Some of the files were created with older versions of the
> encoder. For example I have one file where I need to subtract 2 from all
> keyframe values in order for it to decode properly.

Hmm. Some of the alpha encoder releases recorded the frame index, not
the frame count. Such stream declare their version to be 3.2.0 instead
of 3.2.1 as in the current theora spec.

 -r


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