[Bug 758891] New: queue2 buffers huge data than required

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=758891

            Bug ID: 758891
           Summary: queue2 buffers huge data than required
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: critical
          Priority: Normal
         Component: gstreamer (core)
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: pavan.goyal at st.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

queue2 is buffering huge data as compared to what is required.

when a 5 Mbps (bits per second) stream is played from http, and http server is
aloowing at 20MBps (160mbps) then if we set a time limit for buffering on
queue2 for example 500ms then queue2 buffers approx 10 MB (10 M Bytes or 80
Mbits) but it should have buffered only 2.5 Mb or 2.5 MB.

issue is because, queue2 set current level as per in rate instead of outrate.
since decoding will happen on out rate only not more than that so queue2 should
buffer as per output rate not input rate.

input rate may go too high or low based on network bandwidth.

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