https://bugs.kde.org/show_bug.cgi?id=486249
Bug ID: 486249
Summary: [Feature request] Add batch "Slice"/"Cut" in the
timeline from time X to time Y.
Classification: Applications
Product: kdenlive
Version: 24.02.2
Platform: Other
OS: Other
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: balrogwhip123...@proton.me
Target Milestone: ---
Created attachment 168970
--> https://bugs.kde.org/attachment.cgi?id=168970&action=edit
This is going to be headache without batch processing
Let's say I have 4-5 minutes of video and there are V1,V2,V3,V4,V5 tracks that
are going in parallel these 5 minutes.
I want to make transition from V1 to V2, V2 to V3, etc... every 2 seconds. I
want to cut (slice) those 5 tracks worth of 5 minutes (300 seconds) by cutting
through all of them every 2 seconds and then deleting 2 seconds of clips that
aren't supposed to be at A-roll (Main screen). Basically I am doing B-roll on
steroids here.
I don't want to make 150 !!! cuts and then 150 !!! transitions here, I want to
be able to make it in batch (via script or something) since it is a simple
action, but scaled to x150.
Also there are problem with transitions itself. Not only I have to apply 150
transitions, I need to make previous V1's 2 seconds to overlap next V2's 2
seconds 150 !!! times (and add this overlap to 2 seconds, to not shift all the
timing).
Also there are 2 scenarios of looping through those tracks:
1) V1 - V2 - V3 - V4 - V5 - V4 - V3 - V2 - V1
2) V1 - V2 - V3 - V4 - V5 - V1 - V2 - V3 - V4 - V5
As far as I know compositions is not that friendly when applied to the clips
from bottom to top (or vice versa, don't remember exactly, don't mind me).
So my proposal is:
1) Add batch processing to timeline. It must include:
a) From which time X to which time Y should the script work
b) Which tracks are affected by the script
c) What action/s to apply in batch. Let's say I wan't to slice as in
example and also add transitions to it which duration is Z milliseconds.
2) Fix transitions (compositions) to work up and down correctly and intuitive
(I want to be able to use not only fade in/fade out effects as it is simple and
intuitive and works as intended, but also compositions)
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