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Bug 759143 - rtpL24pay: (and others) does not add packet time (ptime and max-ptime) in SDP info
rtpL24pay: (and others) does not add packet time (ptime and max-ptime) in SDP...
Status: RESOLVED OBSOLETE
Product: GStreamer
Classification: Platform
Component: gst-plugins-good
1.6.1
Other Linux
: Normal enhancement
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2015-12-07 21:25 UTC by Roberto Grossi
Modified: 2018-11-03 15:06 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Roberto Grossi 2015-12-07 21:25:19 UTC 
When playing 8-channel 24-bit wav file, rtpL24pay does not add the following packet time info in SDP message:

a=ptime:1.4512471
a=maxptime:1.4512471

where the ptime attribute indicates the preferred packet time (= framecount * 1000 / samplingFrequency)

RFC3190 also does not mention it but it is needed for the Ravenna/AES67 protocol. Some documentation is here:

http://s10552c2bc54233da.jimcontent.com/download/version/1443433736/module/11950353523/name/RAVENNA___AES67_V1.0.pdf

Thanks
-Roberto
Comment 1 Sebastian Dröge (slomo) 2015-12-08 08:03:57 UTC 
This should probably be implemented in the base class, baseaudiopayload or even basepayload. They both know about the ptime.
Comment 2 GStreamer system administrator 2018-11-03 15:06:28 UTC 
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/issues/243.