[Ardour-Dev] Playlist ordering (track ordering)

Paul Davis paul at linuxaudiosystems.com
Sun Feb 17 11:37:21 PST 2008


On Sun, 2008-02-17 at 11:32 +0000, John Emmas wrote:
> Hi Paul,
> 
> For the past few weeks I've been working on some code to enable Ardour
> sessions to be merged.  I'm only merging the audio elements such as Sources,
> Regions and Playlists (although along the way, I can need to create new
> Crossfades / Routes / AudioDiskstreams etc).  I've finished the code for
> merging Sources & Source Regions and I'm pretty close to finishing the code
> for merging Playlists.  However, I've found something strange in the way
> that the merged session is being loaded....
> 
> Let's say the first session had 4 x playlists called Audio1, Audio2, Audio3
> and Audio4 (in that order).  The second session had 3 x playlists in the
> order Audio5, Audio6 and Audio7.  In the (merged) session-state file, the
> merged playlists are ordered thus (reading the XML file as a text file):-
> 
> Audio1
> Audio2
> Audio3
> Audio4
> Audio5
> Audio6
> Audio7
> 
> but when I load the resultant session into Ardour, I can end up with an
> arrangement looking something like this:-
> 
> Audio1
> Audio5
> Audio2
> Audio3
> Audio7
> Audio4
> Audio6

arrangement in what?

> I just wondered what strategy is used by Ardour to determine which playlist
> will be topmost / next / bottommost etc and is it something I can influence
> within the session-state file?
> 
> Thanks,
> 
> John
> 
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