openshot.developers team mailing list archive

[Andy Finch <507204@xxxxxxxxxxxxxxxxxx>]

There are Jack/Pulse Audio configurations that can work together now, so
not sure if this is still needed.

** Changed in: openshot
    Milestone: 1.2.x => None

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OpenShot freezes/hangs on startup if jack is running
https://bugs.launchpad.net/bugs/507204
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Status in OpenShot Video Editor: Confirmed

Bug description:
I started OpenShot, within a few seconds the window became grey and the application would not respond.  I tried a couple of times and then realised jack was still running.  I stopped jack and restarted OpenShot, the application started again without freezing.

Looking into this, it turns out that jack suspends PulseAudio whilst it is running.  I discovered that this could be reproduced by running pasuspender.

Here is the test:-
1. Start OpenShot
2. Run "pasuspender -- xterm"
3. Wait for up to 30 seconds, the OpenShot window will turn grey
4. In the xterm window type "exit", OpenShot becomes responsive again

It is good to see that OpenShot resumes working again when pulseaudio is resumed.  If we can find a way of handling the situation the user could be notified.

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Ubuntu 9.10 64bit Desktop
OpenShot 1.0.0 from PPA