2010/11/28 Jordi Burguet Castell <jordi.burguet.castell@gmail.com>
Hello,

The audiotestsrc element sets and reports the timestamps of the
buffers it creates with a small error.

Basically, by using gst_util_uint64_scale_int() in some places, the
timestamp can be off by almost a nanosecond. In our pipeline we are
sensitive to any error in the timestamp, and because of this (small)
problem we can't use audiotestsrc to test it.

Fortunately, the fix is very easy. In audiotestsrc the timestamp (in
"next_time") is computed always from next_sample, so it can be solved
by changing gst_util_uint64_scale_int() to
gst_util_uint64_scale_int_round() (note the extra "_round")
everywhere. Patch attached.

Please let me know if this is ok, or if I should report a bug in some
other way, etc.


You should file a bug against gst-plugins-base:

https://bugzilla.gnome.org/buglist.cgi?quicksearch=component%3Agst-plugins-base+product%3A"GStreamer"+
 

Thanks,
Jordi

--
Jordi Burguet-Castell <jordi@gravity.phys.uwm.edu>
UWM Physics Dept. 464
1900 E. Kenwood Blvd.  Milwaukee WI 53211 USA
+1 414-229-2590

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