[FFmpeg-user] Is there an image viewer with FileSystemWatcher?

Paul B Mahol onemda at gmail.com
Wed Sep 1 10:30:06 EEST 2021

On Wed, Sep 1, 2021 at 9:26 AM Michael Koch <astroelectronic at t-online.de>

> Hello,
> sometimes it's an iterative process to find the best parameters for a
> filter, especially when the filter changes brightness, contrast or colors:
> 1) Edit the filter parameters in the FFmpeg command line
> 2) Run FFmpeg
> 3) Open the output image in a viewer (normally I'm using IrfanView)
> 4) Realize that the output can be improved, close the image viewer and
> go back to step 1)
> Is there any image viewer that automatically detects when the image is
> overwritten and then shows the new image? I mean without closing and
> re-starting the viewer.

Use mpv, it supports all ffmpeg filters, and thus you need not to use
closed source viewers at all.

> Thanks,
> Michael
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