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

[Raymond Toy]

On Wed, Aug 29, 2012 at 3:37 PM, Michael Niedermayer <michaelni at gmx.at>wrote:

> On Sun, Jul 15, 2012 at 04:21:41PM +0200, Michael Niedermayer wrote:
> > On Mon, Jul 09, 2012 at 11:08:07AM -0700, Dale Curtis wrote:
> > > On Wed, Jul 4, 2012 at 2:21 PM, Michael Niedermayer <michaelni at gmx.at
> >wrote:
> > >
> > > >
> > > > just posted a patchset implementing initial silence skiping for mp3
> > > > doing the same with mov/mp4 aac should be trivial, id need a
> reference
> > > > sample though to make sure the aac/mov/mp4 stuff is correct. Its easy
> > > > to get it wrong without a testcase ...
> > > >
> > > > the mp3 code should be compatible with lames way of indicating the
> > > > amount of padding.
> > > >
> > > >
> > > Thanks Michael! The AAC audio files from the demo page are good
> samples:
> > >
> > > MP3:
> > >
> http://rtoy.github.com/webaudio/codec-tests/resources/media/square3.mp3
> >
> > fixed initial silence skiping
> >
> >
> > >
> > > AAC:
> > >
> http://rtoy.github.com/webaudio/codec-tests/resources/media/square3.m4a
> >
> > posted a patch that will fix the initial silence on this as well
>
> fixed too
>
>
That's fantastic!  Thanks so much for fixing this.

Sorry to be a nag, but any ideas on removing the trailing silence too?  For
playback, I guess it's not that important since the end is silent, but if
we want to do gapless playback of audio as well, so the trailing silence
needs to be removed too.

But regardless, many thanks for fixing the initial silence on AAC files!

Ray