[Bug 692953] alsasink does not synchronise properly with a live streaming source, yet (timing skew)
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Oct 2 17:46:51 CEST 2013
https://bugzilla.gnome.org/show_bug.cgi?id=692953
GStreamer | gst-plugins-base | 1.0.10
--- Comment #193 from Robert Krakora <rob.krakora at messagenetsystems.com> 2013-10-02 15:46:45 UTC ---
I think what Thomas has discovered is that alsasink sync=true fails almost
immediately and alsasink sync=false fails after some ours. The submitter can
provide more details. All documentation that we have found recommends setting
sync=false for alsasink and this is wrong. It seems as though alsasink
underflows and never recovers. The submitter tested the jacksinkaudiosink with
sync=true and it runs indefinitely with no underflow and I have tested
pulsesink with sync=true and it too runs indefinitely with no underflow. The
question is has alsasink ever functioned properly? The submitter has proven
that alsasink sync=false does fail similar to alsasink sync=true but after an
extended period of time. JACK and Pulse Audio both make use of ALSA, albiet in
a separate process than running GStreamer pipelines including their respective
plugins, and they seem to not experience unrecoverable underflow situations.
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