Hello! Kdenlive doesn't seem to render transitions. If I watch the preview while editing, they appear as they should, but in the rendered video, they are gone. Any ideas how I could correct this?

In the rendering dialog disable "parallel processing". Some effects/transitions are not "parallel proof".

nameiwillforget wrote:Hello! Kdenlive doesn't seem to render transitions.

What version of kdenlive , on which platform?

same here ("parallel processing" disabled). Version 21.08.1 on Xubuntu 20.04.

the appimage-version works as expected, ppa-version not

I am having the same problem as well. I know the laptop I am using has nice power (Ryzen 74700U [8threads/8core] but only 8gb of ram. It is using all threads when the render is MeLTing but no transitions at all...

Host: VivoBook ASUSLaptop
Kernel: 5.11.0-36-generic
Resolution: 1920x1080
DE: GNOME 3.38.4
WM: Mutter
WM Theme: Adwaita
CPU: AMD Ryzen 7 4700U with Radeon Graphics (8) @ 2.000GHz
GPU: AMD ATI 03:00.0 Renoir
Memory: 2784MiB / 7430MiB

I am running the latest version of Kdenlive 21.08.1

Follow up:

Kdenlive is now working with melt-7 (the latest version) and transitions wont work unless you update the MLT framework to 7. Then look for in /usr/bin/melt-7 and configure kdenlive to use it in the settings->configure kdenlive. Make sure melt is referencing /usr/bin/melt-7 and transitions will work again!

Hello, I had big problems with "Time Remapping": Version 21.08.01 and .02. My system is Manjaro Linux. When rendering, only blank videos are created, so only a white image, sometimes but rarely black.
The AppImage does everything correctly.

Now I have solved the problem:

In the Kdenlive default settings it says > environment > MLT environment > Melt path > usr/bin/melt6.
If I change to melt or melt-7, everything works fine.
Question: Does anyone know which is better to select: melt or melt-7?

I had a similar problem - "Wipe" transitions were showing in the preview but were not rendered.
Turning off parallel processing had no effect.

Changing my melt version to melt-7 solved the problem and rendered the transitions.
My system had melt (version 6.2) autoinstalled, and melt-7 (version 7.8) manually installed. I uninstalled melt (version 6.2) and restarted Kdenlive.

System:
Kdenlive version: 22.04.3
MLT version: 7.8.0
Linux: Ubuntu 20.04

Question: Does anyone know which is better to select: melt or melt-7?

you can use

Code: Select all

 apt list | grep melt

to check which versions of melt they refer to. Probably best to use the newest version. (sorry to necro dead thread)