[theora] Indexing Ogg files for faster seeking

Chris Pearce chris at pearce.org.nz
Thu Jan 21 19:17:40 PST 2010

On 22/01/2010 1:50 p.m., Bernard Jungen wrote:
> On Fri, Jan 22, 2010 at 12:46:46PM +1300, Chris Pearce wrote:
>> I previously tried compressing the indexes only with zlib (i.e. not
>> delta-then-variable-byte-encoding them before zlib deflating them), and
>> that got us about 50% compression.
> Have you tried delta+deflate, i.e. without variable encoding? And also
> with each kind of data grouped together?

Seems that delta+deflate initially performs about 5-10% worse than 
delta+variable_length, until it converges at around 2000 keypoints in 
the media (about 2 hours long), where it's about 1-2% better. I think we 
should keep it simple.

Chris P.

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