On Thu, Aug 26, 2021 at 06:47:17PM -0600, amin...@mailbox.org wrote:
> On Thu, Aug 19, 2021 at 10:34:51PM -0600, amin...@mailbox.org wrote:
> > With the new Kdenlive version I've got (20.12.3), there are a bunch of new
> > things I'm trying to get my head around in the project XML. Here's a
> > snippet with a few of them:
> >
> > <playlist id="playlist6">
> > <entry producer="1" in="00:00:00.000" out="00:00:22.042">
> > <property name="kdenlive:id">2</property>
> > </entry>
> > <blank length="00:00:01.042"/>
> > <entry producer="producer0" in="00:00:01.125" out="00:00:04.958">
> > <property name="kdenlive:id">3</property>
> > </entry>
> > <blank length="00:00:01.208"/>
> > <entry producer="1" in="00:00:00.000" out="00:00:04.958">
> > <property name="kdenlive:id">2</property>
> > </entry>
> > <entry producer="producer0" in="00:00:00.000" out="00:00:01.083">
> > <property name="kdenlive:id">3</property>
> > </entry>
> > </playlist>
> > <playlist id="playlist7"/>
> > <tractor id="tractor3" in="00:00:00.000" out="00:00:34.292">
> > <property name="kdenlive:track_name">Video 1</property>
> > <property name="kdenlive:trackheight">71</property>
> > <property name="kdenlive:timeline_active"/>
> > <property name="kdenlive:thumbs_format"/>
> > <property name="kdenlive:audio_rec"/>
> > <track producer="playlist6"/>
> > <track producer="playlist7"/>
> > </tractor>
> >
> > The above makes a Kdenlive track ("Video 1"). In previous versions, this
> > would have been represented as a single playlist. Now there seem to be two
> > playlists - one empty - fed into a tractor.
> >
> > Here's an example of the new grouping syntax as well:
> >
> > <property name="kdenlive:docproperties.groups">[
> > {
> > "children": [
> > {
> > "data": "3:555",
> > "leaf": "clip",
> > "type": "Leaf"
> > },
> > {
> > "data": "0:555",
> > "leaf": "clip",
> > "type": "Leaf"
> > }
> > ],
> > "type": "AVSplit"
> > }
> > ]
> > </property>
> >
> >
Having the answers to any of the below would still be very helpful!
-Tom
> > I have many questions. Help with any of them is much appreciated:
> >
> > - Why are there two playlists for "Video 1"? What is the purpose of the
> > empty "playlist7"?
> > - Entries now have a "kdenlive:id" property. What is this ID? Note in the
> > above the IDs are doubled: there are two different Entries with ID 2, and
> > two with ID 3.
> > - In the group syntax, what is the "data" property? As a guess, is it a
> > kdenlive ID and a number of frames from the beginning of the track?
> > - What group types are there other than "AVSplit" and "Leaf"? Where can I
> > find a list of the types and their meanings?
>
> I can answer my own question for this one, at least:
>
> https://invent.kde.org/multimedia/kdenlive/-/blob/master/src/definitions.h#L43-48
> gives:
>
> enum class GroupType {
> Normal,
> Selection, // in that case, the group is used to emulate a selection
> AVSplit, // in that case, the group links the audio and video of
> the same clip
> Leaf // This is a leaf (clip or composition)
> };
>
> I guess "Normal" means the thing that's created when you select 2 different
> clips and hit control-g or right-click and select "group clips"?
>
> > - What "leaf" types are there other than "clip"?
