[kdenlive] Kdenlive XML documents: multiple <producer> for same bin clip...?

[Harald Albrecht]

Hi,

I'm messing around with the XML content of Kdenlive projects. For this 
I've written an XSLT transformation stylesheet that dumps some of the 
structure found inside Kdenlive's project file.

One thing that I don't fully understand yet: I've added a video clip 
"outro.MP4" once to my project. When looking at the resulting XML I see 
three(!) <producer>s for this same clip (though it only appears once in 
the bin!):

  * <producer id="4">
  * <producer id="4_video">
  * <producer id="4_playlist2_audio">

I suspect that this is because I've split audio and video for this clip. 
But I also added another video "intro.MP4" clip to my project and this 
has just two(!) <producer>s:

  * <producer id="1">
  * <producer id="1_playlist4">

Does someone here know how to correctly interpret the different multiple 
producers? Just for reference, audio source files only get a single 
<producer> from what I can see.

With best regards,
Harald
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