[foms] Proposal: adaptive streaming using open codecs

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Wed Nov 17 17:27:43 PST 2010

On Thu, Nov 18, 2010 at 5:15 AM, Timothy B. Terriberry
<tterriberry at mozilla.com> wrote:
>> Can you explain what's a LSP extrapolation ? A quick google doesn't
>> give anything.
> Probably because I meant LPC (linear prediction coefficients), not LSP
> (line spectral pairs). The concepts are related.
> Vorbis, for example, already uses LPC extrapolation to pad the first and
> last MDCT blocks, since blocks are overlapped, but there's no real data
> to overlap with at the beginning and end of a track. Code starts at
> https://trac.xiph.org/browser/trunk/vorbis/lib/block.c#L416

Would a media framework typically expose that level of API? How would
a decoder feed a player with audio data such that this works? Would it
just make sure to hand over the next chunk of data or is there any
decoding pipeline setup change required or something?


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