[Bug 582166] videoencoder: Implement QoS support

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Oct 20 07:28:32 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=582166

--- Comment #18 from Guillaume Desmottes <gdesmott at gnome.org> ---
The QoS events are handled by default yes, but it just keeps stats and forward
the event.
It's up to sub-class to actually drop late frames (when calling
gst_video_encoder_finish_frame() with frame->output_buffer == NULL).

Maybe we could add a qos property on the encoder base class that subclass could
check before dropping? Or the subclass wouldn't handle QoS events if qos=FALSE
and then gst_video_encoder_get_max_encode_time() would always return
G_MAXINT64.

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