[Bug 572973] [API] buffer size query or indication from audio encoders to upstream how many samples to produce per buffer

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=572973

--- Comment #18 from Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> ---
(In reply to Stefan Sauer (gstreamer, gtkdoc dev) from comment #17)
> What I am saying is that using:
> gst_query_add_allocation_pool (query, NULL, preferred_size, 0, 0);
> sound like a hack to me (even though pool=NULL is allowed). I am mostly
> concerned that it won't be very discoverable, since the the api name suggest
> that we configure a pool.

We already do that to expose min/max buffer. It's not a hack. Btw, you should
set at least 1, 0, otherwise it's not a valid config for a pool. Audio decoder
base class should have an proper_allocation() virtual method to make it easy to
implement.

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