[Bug 759141] Audio/video recording performance regression 1.4.5 -> 1.6.1

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Dec 9 12:38:49 PST 2015


https://bugzilla.gnome.org/show_bug.cgi?id=759141

--- Comment #4 from Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> ---
I am confused, I read autovideosrc here. Try setting a deadline to vp8enc.

gst-launch-1.0 autoaudiosrc ! vorbisenc ! queue ! mux. v4l2src !
video/x-raw,width=1280,height=720 ! videoconvert ! vp8enc deadline=1 ! queue !
mux. webmmux name=mux ! filesink location=test.webm

Otherwise VP8 behaviour is to max out the CPU. It will also introduce a lot of
delay which is higher then the audiosrc capacity (hence buffer being dropped).
deadline=1 is use for zero-latency pipeline.

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