[mythtv-users] Music playback stopping when external application is running.

[Paul Harrison]

On 14/01/13 20:17, Enigma wrote:
> I am attempting to launch an external application (GPS software) on my 
> car computer while Mythmusic is playing.  I am using an EXEC entry in 
> the menu to launch the app.  When the app is running, music will 
> continue playing until it tries to switch to the next song in the 
> playlist and it then stops until the external app is exited.  I had 
> this same problem several years ago on 0.21 
> (http://www.gossamer-threads.com/lists/mythtv/users/330171), in that 
> version I could modify the code to add the 
> MYTH_SYSTEM_DONT_BLOCK_PARENT argument to myth_system() and it worked 
> exactly the way I wanted.  Unfortunately, I am trying to upgrade to 
> 0.26 and the EXEC function no longer uses myth_system() and I am at a 
> loss on how to modify this version to block remote keypresses to Myth 
> but still allow the music to play in the background.  Has anyone been 
> able to accomplish this on 0.26?
>

Wow was that really five years ago!

Looks like it does still use myth_system() via the exec_program_cb() 
callback function in mythcontext.cpp. The name of the flags has changed 
try adding the kMSProcessEvents flag to that call to myth_system() and 
see what happens.

Paul H.