Created attachment 138218 [details] see down right SUMMARY STEPS TO REPRODUCE 1. add audio 2. apply filter lowpass OBSERVED RESULT [filter avfilter.lowpass filter1] Cannot init filter EXPECTED RESULT process lowpass SOFTWARE/OS VERSIONS Linux/KDE Plasma: Linux (x86_64) release 5.11.16-arch1-1 KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Most audio filters + effects don't work in Windows as well.