[Bug 768763] vorbisenc, opusenc reconfiguration broken

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Oct 5 09:49:41 UTC 2016


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

--- Comment #39 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> ---
There's some automatic accounting for this (end of 1.3.2 in doc/index.html in
libvorbis):

>    Data is not returned from the first frame; it must be used to ’prime’ the decode engine. The encoder
>    accounts for this priming when calculating PCM offsets; after the first frame, the proper PCM output
>    offset is ’0’ (as no data has been returned yet).

I don't think there's anything else to do about this.

As for my question about incoming buffers, it is: if I get a raw PCM buffer of
100 samples, and there is a clip meta on it with start=20 and end=20, those
presumably need to be applied to the outgoing buffer as well, right (and, with
this patch, the end needs to be set to max(20, X) if X is the result of the
calculation in this patch) ?

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