[FFmpeg-devel] [PATCH] Add asrc_anullsrc - null audio source
Fri Sep 24 20:53:10 CEST 2010
On date Wednesday 2010-09-15 19:42:26 +0200, Michael Niedermayer encoded:
> On Wed, Sep 15, 2010 at 04:39:47PM +0200, Stefano Sabatini wrote:
> > On date Wednesday 2010-09-15 13:54:14 +0200, Michael Niedermayer encoded:
> > > On Wed, Sep 15, 2010 at 12:56:38AM +0200, Stefano Sabatini wrote:
> > [...]
> > > as said, the filter must be functional to be approved.
> > > source implicates that it produces some samples, a filter never returning a
> > > single sample is just broken.
> > > and you dont need a mixer (whatever that may be) to return an array inited
> > > with memset(0)
> > Repeating the same considerations I already did, why would a nullsrc
> > filter useful?
> iam not asking why the filter is usefull, i know that.
> What this discussion is about is why it does not return any samples
> returning some does not hinder any of what it is usefull for but it makes
> it usefull for more things.
It doesn't return samples because it is supposed to the exact cousin
of the video null src, which doesn't return video frames, if you want
actual audio data you really want a different source.
FFmpeg = Forgiving Fundamentalist Multipurpose Purposeless Elected Gargoyle
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