[Bug 759125] New: GstBin: async-handling latency handling is decoupled from parent pipeline

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=759125

            Bug ID: 759125
           Summary: GstBin: async-handling latency handling is decoupled
                    from parent pipeline
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Mac OS
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hfink at toolsonair.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Since async-handling attempts to emulate a top-level pipeline object, latencies
are configured within a GstBin with async-handling=TRUE independently of (a)
fixed latencies set by gst_pipeline_set_latency and (b) other negotiated
latencies in the pipeline. 

(a) will make it impossible to use bins with async-handling in a live pipeline
where the overall latency has to be controlled by a fixed value (since the bin
will ignore it and configure whatever it sees fit)

(b) if a bin with async-handling=TRUE has one sink, and the hosting pipeline of
such a bin has other sinks (or other bins with sinks), then those sinks won't
be in-sync with the one of the bin with async-handling, because potentially
each bin might configure a different latency.

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