[FFmpeg-user] ffmpeg unexpectedly increases debug level for console messages

[Gyan Doshi]

On 2022-08-08 08:02 pm, Dmitry Katsubo via ffmpeg-user wrote:
> Dear ffmpeg community,
>
> I have ffmpeg for Windows x64 downloaded from https://www.gyan.dev/ffmpeg/builds/
>
> When ffmpeg is started from CygWin or Windows WSL the following happens:
>
> * It reports "error parsing debug value" and increases the debug level (verbosity of the messages printed to screen):
>
> $ ffmpeg.exe -y -v warning -i in.avs -c:v libx264 -crf 28 -c:a libvorbis -q:a 5 out.mkv

Can't repro here in WSL.


> Guessed Channel Layout for Input Stream #0.1 : stereo
>
> error parsing debug value

This message is printed when ffmpeg receives a 'd' key press and then 
some non-numeral presses.

Check if adding -nostdin suppresses the behaviour.

Regards,
Gyan