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IDProjectCategoryView StatusLast Update
0003868GNUnetconversation servicepublic2018-06-07 01:21
ReporterChristian GrothoffAssigned To 
PriorityhighSeverityfeatureReproducibilityN/A
Status confirmedResolutionopen 
Platformi7OSDebian GNU/LinuxOS Versionsqueeze
Product VersionSVN HEAD 
Target VersionFixed in Version 
Summary0003868: audio playback should detect silence and drop
DescriptionTo handle network delays, a good method (per matthew@matrix.org) is to look at the size of the buffer *after* opus decoding, and if the buffer is large (i.e. 150ms) and contains silence, then drop parts of the buffer to "catch up" with the accumulated latency.
TagsNo tags attached.

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related to 0004078 confirmed Audio lags after some time 

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Christian Grothoff

2015-08-10 21:41

manager   ~0009556

Code is in svn/gnunet/src/conversation/gnunet-helper-audio-playback.c, requires opus/pulseaudio (there is also a version for GStreamer...).

Testing via something like this: (replace pipe with delay as desired...).

$ ./gnunet-helper-audio-record | ./gnunet-helper-audio-playback

More advanced usage would be to run 'gnunet-conversation' on two peers, setup GNS records and have a real call, but for basic testing the above might just do -- modulo introducing 'fake' (variable) latency.

Issue History

Date Modified Username Field Change
2015-06-27 16:45 Christian Grothoff New Issue
2015-06-27 16:45 Christian Grothoff Status new => assigned
2015-06-27 16:45 Christian Grothoff Assigned To => Christian Grothoff
2015-06-27 19:49 Christian Grothoff Target Version 0.11.0pre66 => 0.11.0
2015-08-10 21:41 Christian Grothoff Note Added: 0009556
2015-08-10 21:41 Christian Grothoff Assigned To Christian Grothoff =>
2015-08-10 21:41 Christian Grothoff Assigned To => Krista Grothoff
2015-11-02 14:41 Christian Grothoff Assigned To Krista Grothoff =>
2015-11-02 14:41 Christian Grothoff Status assigned => confirmed
2015-12-03 16:50 Christian Grothoff Relationship added has duplicate 0004078
2015-12-07 11:37 Sree Harsha Totakura Relationship replaced related to 0004078
2016-03-25 16:35 tg Assigned To => hark
2016-03-25 16:35 tg Status confirmed => assigned
2018-06-07 00:36 Christian Grothoff Target Version 0.11.0 =>
2018-06-07 01:21 Christian Grothoff Assigned To hark =>
2018-06-07 01:21 Christian Grothoff Status assigned => confirmed