It would of course be possible for an application such as ffmpeg to produce a
PSNR reading across its own encoding activity.
P
From: Francois Visagie <[email protected]>
To: 'FFmpeg user questions' <[email protected]>
Sent: Saturday, 14 July 2018, 12:59
Subject: Re: [FFmpeg-user] PSNR measure
> -----Original Message-----
> From: ffmpeg-user [mailto:[email protected]] 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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>
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