[theora] Indexing Ogg files for faster seeking

[Chris Pearce]

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!
>    
Thanks!

Chris P.