add "No-reference metrics" mode

fifonik / FFMetrics

Visualizes Video Quality Metrics (PSNR, SSIM & VMAF) calculated by ffmpeg.exe

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add "No-reference metrics" mode #139

Closed TurnOffNOD closed 3 months ago

TurnOffNOD commented 3 months ago

There are situation that users don't have access to original reference video and can't set reference, however this tool can't work with reference path to file left blank.

fifonik commented 3 months ago

The idea of the video quality metric is to compare distorted file with original/reference and calculate some kind of similarity.