[Bug 768763] vorbisenc, opusenc reconfiguration broken

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Sep 27 08:33:43 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=768763

--- Comment #27 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
(In reply to Vincent Penquerc'h from comment #26)
> (In reply to Sebastian Dröge (slomo) from comment #24)
> > Why not? You know how many samples there are in this frame (including
> > padding)?
> 
> I did not see it, but I will have another look. This is in a loop, where
> vorbisenc gives us packets, so theoretically it can split however it wants.

Vorbis has fixed length packets, and you can look at the packet to know the
number of samples.

> > Without adding the clip meta here, this is rather useless.
> 
> I don't get why. The clip meta will modify the duration by trim_end, so it
> seems like a similar operation here.

You mean that oggmux would clip by using the duration instead of the clip meta?
The problem then only is that the duration includes rounding errors... and it
won't work well for other muxers.

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