[gstreamer-bugs] [Bug 349943] New: [QOS] documentation/code mismatch
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Fri Aug 4 07:43:25 PDT 2006
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GStreamer | gstreamer (core) | Ver: HEAD CVS
Summary: [QOS] documentation/code mismatch
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gstreamer (core)
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: julien at moutte.net
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
part-qos.txt mentions Jitter as being negative when the buffer arrived late and
positive if it arrived in time. It also mentions that :
Using the jitter we can calculate the time when the buffer arrived in the
sink:
T1 = B1 - J1. (1)
The time the buffer leaves the sink after synchronisation is measured as:
T2 = B1 - (J1 < 0 ? J1 : 0) (2)
When Basesink code does it the other way around :
/* this is the time the buffer entered the sink */
entered = start + jitter;
/* this is the time the buffer left the sink */
left = start + (jitter < 0 ? 0 : jitter);
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