Crash Bug with Declick Audio filter: Cannot set sink channel counts

Bug
1

What is your operating system?
Win 11

What is your Shotcut version (see Help > About Shotcut)?
24.06.26

Can you repeat the problem? If so, what are the steps?
Looks like the Declick Audio filter is bugged and causing crashes on whichever audio file I try. It was working in the previous version 24.04 as I had just upgraded. I tried it on Ogg and Mp3 files and it crashes each time as soon as I move my timeline to it. It even crashes on an empty file when just opening, adding the audio file to the timeline, then adding the Declick Audio filter to it.

Here are the applicable AppLog sections where I add the filter:
To an MP3 file:
[Debug ] Filter::AddCommand::redo “Add Declick Audio filter” 1
[Debug ] AttachedFiltersModel::doAddService 1
[Debug ] AttachedFiltersModel::remove 1
[Debug ] Filter::RemoveCommand::redo “Remove Declick Audio filter” 1
[Debug ] AttachedFiltersModel::doRemoveService 1 -1 10
[Error ] [link avfilter.adeclick] Init: f32le 2c 48000Hz
[Error ] [link avfilter.adeclick] Cannot set sink channel counts

To an OGG file:
[Debug ] Filter::AddCommand::redo “Add Declick Audio filter” 0
[Debug ] AttachedFiltersModel::doAddService 0
[Info ] [link swresample] 2(stereo) f32le 44100Hz → 2(stereo) f32le 48000Hz
[Error ] [link avfilter.adeclick] Init: float 2c 48000Hz
[Error ] [link avfilter.adeclick] Cannot set sink channel counts

2

Thanks for your report. This is fixed for the next release.

1 Like
3

:+1: Awesome!

4

Hello @brian,
Unfortunately, this error still exists in Kdenlive:
MLT: “[filter avfilter. … filter0] Cannot set sink channel counts”
How did you fix this with Shotcut?
Do you have any ideas on how to solve the MLT 7.28 problem with Kdenlive?
Interestingly, the error only occurs in the repositoris versions (for Manjaro and Fedora) - the AppImages and flatpaks are without this error.

5

I guess I would start by assuming that those distributions are not using the latest version of the MLT framework. Maybe the AppImage and Flatpack bundle a compatible version of MLT. You should talk to those package maintainers.

1 Like
6

Hello @brian I just heard from the developer that:

The problem was fixed in MLT, but shortly after the 7.28.0 release:
https://github.com/mltframework/mlt/commit/615aac5c4719ff59dc6f44bc393af346ceaefb66

So you either have to wait for the next MLT release, or ask for your distro maintainer if it is possible to backport the fix or else use one of our binary releases (AppImage / Flatpak).

I am currently using the AppImage, because I have learned how to integrate the necessary audio plugins. It works fine, I just wanted to contribute in some way to solving the problem of the repository.

I thank you

7

A new release of MLT is planned for January

1 Like
8

I’m looking forward to it, and the Kdenlive community, thank you.