[gstreamer-bugs] [Bug 420079] [audioconvert] Uses biased rounding which results in distortions
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Tue Mar 27 05:48:34 PDT 2007
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GStreamer | gst-plugins-base | Ver: HEAD CVS
Sebastian Dröge changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #85252|none |committed
Flag| |
AssignedTo|slomo at circular-chaos.org |gstreamer-
| |bugs at lists.sourceforge.net
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|HEAD |0.10.13
------- Comment #13 from Sebastian Dröge 2007-03-27 12:46 UTC -------
Ok, committed...
2007-03-27 Sebastian Dröge <slomo at circular-chaos.org>
* gst/audioconvert/audioconvert.c:
Add docs to the integer pack functions and implement proper
rounding. Before we had rounding towards negative infinity, i.e.
always the smaller number was taken. Now we use natural rounding,
i.e. rounding to the nearest integer and to the one with the largest
absolute value for X.5. The old rounding introduced some minor
distortions. Fixes #420079
* tests/check/elements/audioconvert.c: (GST_START_TEST):
Fix one unit test that assumed the old rounding and added unit tests
for checking signed/unsigned int16 <-> signed/unsigned int16 with
depth 8, one for signed int16 <-> unsigned int16 and one for the new
rounding from signed int32 to signed/unsigned int16.
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