[theora] Indexing Ogg files for faster seeking

Chris Pearce chris at pearce.org.nz
Thu Jan 21 16:43:04 PST 2010

On 22/01/2010 1:25 p.m., Basil Mohamed Gohar wrote:
> On 01/21/2010 06:46 PM, Chris Pearce wrote:
>> I have been experimenting with compressing the keyframe indexes. If I
>> delta-encode the keypoint offset and timestamp fields,
> Sorry for my ignorance about this, but is that process all lossless?
Yup, that's lossless.

> Have you considered using another codec, perhaps XZ/LZMA?
I haven't, though I'd imagine we'd get similar results. I'm of the 
opinion that simpler is better, so I'd prefer to stick to a simple 
delta-variable-byte encoding for now.

> Great work!

Chris P.

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