[Bug 796981] New: audiobuffersplit: Breaks the 1001/30000 pattern

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Aug 16 17:48:49 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796981

            Bug ID: 796981
           Summary: audiobuffersplit: Breaks the 1001/30000 pattern
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: vivia at ahiru.eu
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

How to reproduce:

gst-launch-1.0 -v audiotestsrc  ! audio/x-raw,rate=48000 ! netsim
min-delay=-200 max-delay=200 delay-distribution=uniform delay-probability=0.2 !
 audiobuffersplit output-buffer-duration=1001/30000 ! audiorate tolerance=0 !
audio/x-raw,rate=48000 ! audiobuffersplit output-buffer-duration=1001/30000 !
fakesink silent=false

Expected result:
Difference between two consecutive audio buffers follows this pattern:
0.033354166
0.033375
0.033354167
0.033375
0.033375

Observed result:
The pattern breaks after a while, giving streaks of 0.033354167 and/or streaks
of 0.033375, then goes back to normal, then breaks again.

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