[FFmpeg-devel] Exposing preroll and remainder info for aac and mp3.

Raymond Toy rtoy at google.com
Mon Jul 9 18:52:19 CEST 2012


On Wed, Jul 4, 2012 at 6:13 AM, Michael Niedermayer <michaelni at gmx.at>wrote:

> Hi
>
> On Tue, Jul 03, 2012 at 05:30:34PM -0700, Dale Curtis wrote:
> > Hi all,
> >
> > We're running into problems with leading and trailing silence due to
> > pre-roll and remainder with aac and mp3 encodes. To illustrate here's a
> > demo showing the decoded output of a couple mp3 and aac files:
> >
>
> > http://rtoy.github.com/webaudio/codec-tests/plot-audio.html
> >
> > (requires Chrome or very recent Safari). Compare the aac and mp3 results
> > with ogg.
>
> the chromium browser from ubuntu cant handle above apparently, at least
> it doesnt like aac/mp3 for me ...
>
>
Chromium doesn't include the aac/mp3 decoders.  You need to use Chrome,
which does have the aac/mp3 decoders.

Ray


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