do_element_check(pipeline_str,
element_name,
check_proc,
state=<enum GST_STATE_READY of type GstState>)
Parse the given pipeline and set it to the given state. When the bin
reaches that state, perform the given check function on the element
with the given name. Return a deferred that will fire the result of the
given check function, or a failure.
-
- Parameters:
pipeline_str -
description of the pipeline used to test
element_name -
name of the element being checked
check_proc -
a function to call with the GstElement as argument.
- Returns:
-
a deferred that will fire with the result of check_proc, or
fail.
(type=twisted.internet.defer.Deferred )
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