Hi,
I have a problem adjusting the running time I guess.
I have a custom bin with a custom element that is processing audio
(speech recognition) faster than real-time and pushing the buffers to a
fakesink. (Results are on the message bus.) The processing speed is not
constant. The pipeline is driven by a playbin element, the source is
non-live.
My problem are position queries to the pipeline. If in playing state,
everything is fine, however in paused state the query returns the
running-time (time needed to process the audio) and this results in
strange jumps of the reported position when changing from paused to
playing or from playing to paused.
I guess I have to correct the running time. I thought of using
gst_element_set_start_time(). Setting the current position as start_time
in the _change_state function of the processing element didn't work, nor
setting it in the same element for the parent bin.
I have no clue what to do, sending an event or a query? Which one?
Downstream or upstream? Is it possible to handle this in the element so
that I can reuse the element in other pipelines?
Could anyone please shed some light on this or give me a clue in which
direction I should go?
Thanks,
Gabor
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