MPNG for what is this file needed?

[D780]

Hello,


I have a question regarding downloads. my downloads are packed in the MKV container. if I look at the exact content there is a video with the name MPNG.
what is this file needed and what is it for ?

Last edited by D300; Today, 10:11 AM.

[Movies99]

I googled it.
”.mpng - Motion PNG Animation


The MPNG video files are related to MPlayer. MPNG file is a Motion PNG Animation. Motion PNG is a simple lossless video codec.”