[FFmpeg-user] PSNR measure

Francois Visagie francois.visagie at gmail.com
Sat Jul 14 14:59:31 EEST 2018

> -----Original Message-----
> From: ffmpeg-user [mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of
> José María Infanzón
> Sent: 13 July 2018 01:39
> To: FFmpeg user questions
> Subject: [FFmpeg-user] PSNR measure
> Hi - I need to measure quality if a live stream, and I was thinking of measuring
> PSNR. So I was wondering how can I run this test since it is a live stream, I do
> not have a refence stream or video.

If you or your organisation are also responsible for generating the stream, the encoder may support an option for generating and displaying and/or logging quality metrics.

> Should I look for a reference video of
> the same resolution and bitrate, like for example a Big buck bunny, and
> compare against It?
> Thanks
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