playbin3 picking wrong h265 decoder
nicolas at ndufresne.ca
Wed Dec 28 21:06:54 UTC 2022
Le mer. 28 déc. 2022, 15 h 15, Bill Hofmann via gstreamer-devel <
gstreamer-devel at lists.freedesktop.org> a écrit :
> On 1.21.3, with a build that I have verified includes vah265dec, with a
> graph that looks like:
> playbin3 uri="http://127.0.0.1/foo.m3u8"
> video-sink="kmssink name=kmssink0 connector-id=308 plane-id=31
> audio-sink="volume name=volume0 volume=0.01 ! alsasink name=alsa
> I note that it looks like avdec_h265 is getting picked for the decoder,
> and it is having problems keeping up with the stream. I know (from a
> hand-built graph) that the VA versions keep up reasonably well (4k h265
> Main10 L5.1 stream).
> I recall that there was some way of changing priorities of different
> plugins, but for the life of me, can't find out where that is documented.
> Any hints? Perhaps this belongs somewhere in the decodebin/playbin docs?
> Gonna be moving to uridecodebin3, for other reasons, but I expect I'd have
> the same problem there.
This is the new VA plugin, we are just an air from being able to deprecate
the old one, meanwhile, you have to rank it. From command line (hopefully I
got the env name right):
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