[Bug 645107] New: [multiqueue] Implement throttling based on stream's running time

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=645107
  GStreamer | gstreamer (core) | git

           Summary: [multiqueue] Implement throttling based on stream's
                    running time
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: slomo at circular-chaos.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
      GNOME target: ---
     GNOME version: ---


Currently multiqueue implements throttling of streams that return not-linked
but only considers buffers as unit here and not running time. A new mode could
be added that implements the not-linked throttling with running time or even
throttling of all streams.

The latter would allow bug #645016 to be closed because playbin2 could set
input-selector to always-ok (unfortunately as a side-effect all streams need to
be decoded then, even unselected ones, because pad-alloc will always return OK
and many elements skip expensive decoding or other processing if pad-alloc
fails).

Bug #645017 is related and essentially is the same throttling for
input-selector.

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