[Bug 795332] New: flvmux: gst_flv_mux_find_best_pad being called as fast as possible (tight-loop)

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=795332

            Bug ID: 795332
           Summary: flvmux: gst_flv_mux_find_best_pad being called as fast
                    as possible (tight-loop)
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: All
            Status: NEW
          Severity: critical
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: havard.graff at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: gstreamer at pexip.com
     GNOME version: ---

When logging some normal operation of flvmux running it with gst-launch, I
noticed a lot of these:

0:00:06.363013498  4326       0xd7a000 DEBUG                 flvmux
gstflvmux.c:1813:gst_flv_mux_get_next_time_for_segment:<mux> next_time:
0:00:00.000000000
0:00:06.363021407  4326       0xd7a000 DEBUG                 flvmux
gstflvmux.c:1648:gst_flv_mux_find_best_pad:<mux> counter = 135650: Best pad
found with 99:99:99.999999999: (NULL)

Adding some simple static counters to measure, I found that after having popped
500 buffers (audio and video), gst_flv_mux_find_best_pad had been called 131909
times...

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