I'm still very stuck with this problem!
I have an audio pipeline with a tee (and each branch has its own
queue). I am trying to remove one branch (a bin) while keeping the
pipeline playing.
In order to entirely remove the branch, I have to set its state
to NULL. But, when the sink specifically changes to NULL, the
pipeline stops playing! It is still in PLAYING state, but it just
stops at the timeline.
I'm in a weird chicken-and-egg problem. On the one hand, I want
to remove the sink, but on the other hand, until I remove it, it's
still part of the pipeline.
Things that I've tried and haven't helped:
1) Using a valve before the sink.
2) Blocking the pad before the sink.
3) Calling unparent() on the sink. (Causes all kinds of
failures.)
I have two questions that might help direct an answer:
1) Is it possible to remove an element without setting its state
to NULL?
2) Is it possible to change the default behavior of Bin so that
it doesn't respond to state changes of its children?
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