[FFmpeg-devel] [RFC] Proposing new filter: extractchannels
george at nsup.org
Wed Mar 21 18:42:27 EET 2018
Paul B Mahol (2018-03-20):
> pan filter would need asplit filter for multiple channels extractions.
You could propose a patch to automatically insert the (a)split filter
when a pad is referenced several times in a graph description.
> pan syntax is hardly user-friendly.
What? What do you find unfriendly here? Anything can be enhanced anyway.
> channelsplit case needs bunch of anullsinks just to extract single channel
> from single channel layout.
channelsplit is horrible because it requires the user to specify the
input channel layout, even though it is negotiated by the framework.
Terrible design, terrible user interface.
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