[FFmpeg-devel] Help with writing an RMS-LMS decoder

wm4 nfxjfg at googlemail.com
Mon Oct 20 18:06:59 CEST 2014


On Mon, 20 Oct 2014 13:25:21 +0200
Thilo Borgmann <thilo.borgmann at mail.de> wrote:

> Am 20.10.14 13:00, schrieb Michael Niedermayer:
> > On Mon, Oct 20, 2014 at 06:32:59AM -0400, Ngassa Finjap wrote:
> >> Hi,
> >>
> >> On Mon, Oct 20, 2014 at 6:20 AM, Michael Niedermayer <michaelni at gmx.at>
> >> wrote:
> >>
> >>
> >>> I see this has somewhat been awnsered on IRC
> >>> maybe thilo can elabrate on this, though I do not think its possible
> >>> to write such decoder in the remaining time before Wednesday unless
> >>> one knows what to do already and is quick.
> >>>
> >>
> >> I did a git grep and found ffmpeg/libavcodec/alsdec.c. I am trying to see
> >> this ALS decoder is different from the RLS-LMS decoder.
> > 
> > if you dont know the difference between LPC and RLS-LMS
> > maybe ftp://cs.uef.fi/franti/papers/RLS-LMS_TIP2008.pdf
> > could help. But note iam no ALS expert, thilo knows all this better
> 
> I don't think it matters anymore since you will most likely not be able to
> finish work on that.

Well, she can still do that, just not within the OPW program (since
time is obviously running out).

I believe most here would agree with helping new contributors even
outside of programs like OPW or GSoC.


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