[Bug 719356] New: critical warning _gst_util_uint64_scale in gst_pulsering_stream_latency_cb

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=719356
  GStreamer | gst-plugins-good | 1.2.1

           Summary: critical warning _gst_util_uint64_scale in
                    gst_pulsering_stream_latency_cb
    Classification: Platform
           Product: GStreamer
           Version: 1.2.1
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: djcb at djcbsoftware.nl
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


When playing a bit with a GstControlSource to fade volume over time, I got the
below error; the same thing works find with an AlsaSink and in fact it does
seem to work with the PulseSink as well, except for this critical warning.

(test-player:23687): GStreamer-CRITICAL **: _gst_util_uint64_scale: assertion
'denom != 0' failed

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 0x7fffdeffd700 (LWP 23753)]
0x0000003df92504e9 in g_logv (log_domain=0x7ffff72db6cb
<g_log_domain_gstreamer> "GStreamer", 
    log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>,
args=args at entry=0x7fffdeffc870)
    at gmessages.c:989
989            G_BREAKPOINT ();
gdb% bt
#0  0x0000003df92504e9 in g_logv (log_domain=0x7ffff72db6cb
<g_log_domain_gstreamer> "GStreamer", 
    log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>,
args=args at entry=0x7fffdeffc870)
    at gmessages.c:989
#1  0x0000003df925063f in g_log (log_domain=<optimized out>, 
    log_level=log_level at entry=G_LOG_LEVEL_CRITICAL, 
    format=format at entry=0x3df92bc89a "%s: assertion '%s' failed") at
gmessages.c:1025
#2  0x0000003df9250679 in g_return_if_fail_warning (log_domain=<optimized out>, 
    pretty_function=pretty_function at entry=0x7ffff72f8410
<__PRETTY_FUNCTION__.20198> "_gst_util_uint64_scale",
expression=expression at entry=0x7ffff72f6fbf "denom != 0") at gmessages.c:1034
#3  0x00007ffff72bce43 in _gst_util_uint64_scale (val=<optimized out>,
num=<optimized out>, 
    denom=<optimized out>, correct=<optimized out>) at gstutils.c:479
#4  0x00007fffef190972 in gst_pulsering_stream_latency_cb (s=<optimized out>,
userdata=0x8dac40)
    at pulsesink.c:721
#5  0x0000003642a29712 in stream_get_timing_info_callback
(pd=pd at entry=0x7fffd0008c50, 
    command=command at entry=2, tag=tag at entry=119, t=t at entry=0x7fffd00062a0, 
    userdata=userdata at entry=0x8644b0) at pulse/stream.c:1944
#6  0x0000003641e37afe in run_action (pd=0x7fffd0008c50, r=0x7fffd0004930,
command=2, ts=0x7fffd00062a0)
    at pulsecore/pdispatch.c:279
#7  0x0000003641e37e9b in pa_pdispatch_run (pd=0x7fffd0008c50,
packet=packet at entry=0x7fffd0005a30, 
    creds=creds at entry=0x7fffd0000bc0, userdata=userdata at entry=0x71cc00) at
pulsecore/pdispatch.c:331
#8  0x0000003642a0f582 in pstream_packet_callback (p=<optimized out>,
packet=0x7fffd0005a30, 
    creds=0x7fffd0000bc0, userdata=0x71cc00) at pulse/context.c:335
#9  0x0000003641e3be65 in do_read (p=0x7fffd0000990) at pulsecore/pstream.c:830
#10 do_pstream_read_write (p=0x7fffd0000990) at pulsecore/pstream.c:185
#11 0x0000003642a240b4 in dispatch_pollfds (m=0x7256d0) at pulse/mainloop.c:656
#12 pa_mainloop_dispatch (m=m at entry=0x7256d0) at pulse/mainloop.c:903
#13 0x0000003642a2448a in pa_mainloop_iterate (m=m at entry=0x7256d0,
block=block at entry=1, 
    retval=retval at entry=0x0) at pulse/mainloop.c:934
#14 0x0000003642a24530 in pa_mainloop_run (m=0x7256d0, retval=retval at entry=0x0)
at pulse/mainloop.c:949
#15 0x0000003642a32b36 in thread (userdata=0x89cab0) at
pulse/thread-mainloop.c:90
#16 0x0000003641e4bbd8 in internal_thread_func (userdata=0x8d1220) at
pulsecore/thread-posix.c:83
#17 0x0000003969007f33 in start_thread (arg=0x7fffdeffd700) at
pthread_create.c:309
#18 0x00000039684f4ead in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

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