valve
The valve is a simple element that drops buffers when the GstValve:drop property is set to TRUE and lets then through otherwise.
Any downstream error received while the GstValve:drop property is TRUE is ignored. So downstream element can be set to GST_STATE_NULL and removed, without using pad blocking.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──valve
Factory details
Authors: – Olivier Crete
Classification: – Filter
Rank – none
Plugin – coreelements
Package – GStreamer
Pad Templates
sink
ANY
src
ANY
Properties
drop
“drop” gboolean
Whether to drop buffers and events or let them through
Flags : Read / Write
Default value : false
drop-mode
“drop-mode” Valve-drop-mode *
Drop mode to use. By default all buffers and events are dropped.
Flags : Read / Write
Default value : drop-all (0)
Named constants
Valve-drop-mode
Members
drop-all
(0) – Drop all buffers and events
forward-sticky-events
(1) – Drop all buffers but forward sticky events
transform-to-gap
(2) – Convert all dropped buffers into gap events and forward sticky events
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