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Questions tagged [vmaf]

6 questions
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calculating vmaf using ffmpeg

I am trying to calculate VMAF using FFmpeg. for this, I installed ffmepg-python and used the following code in python. from ffmpeg_quality_metrics import FfmpegQualityMetrics as ffqm a=ffqm("E:/6.mp4","E:/6_fast.mp4").calc(["vmaf"]) it produced a…
david
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Building vmaf for Windows fails to include all needed DLLs in the EXE

I'm compiling and building vmaf on a Windows 10 development machine for on another Windows system using MSYS2. I'm not a software developer but was hoping I could follow these instructions under Netflix/vmaf on Github. Building vmaf on Windows I…
SDMark
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How to compute ms_ssim with libvmaf in ffmpeg without computing vmaf score?

I would like to compute a ms_ssim score using ffmpeg. I would like to use libvmaf, but libvmaf always computes the vmaf score in parallel With the base ffmpeg tool, we can compute the ssim score with a command like ffmpeg -i distorded.mp4 -i…
lover14
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Calculate VMAF score while encoding a video with FFmpeg

I have an ffmpeg version built with VMAF library. I can use it to calculate the VMAF scores of a distorted video against a reference video using commands like this: ffmpeg -i distorted.mp4 -i original.mp4 -filter_complex…
Mary
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Cannot redirect stderr to file in bash when using VMAF cmd

After executing VMAF command vmaf -r "r.Y4M" -d "d.Y4M" --threads=24 the result is outputted to the console VMAF version 2.3.0 901 frames ÔíéÔáÇ 41.36 FPS←[K vmaf_v0.6.1: 94.171817 I'd like it to be outputted to a file instead. I thought that…
Wilhelm Olejnik
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VMAF-like quality indicator with single video file

I am looking for a VMAF-like objective user-perception video quality scanner that functions at scale. The use case is a twitch-like streaming service where videos are eligible to be played on demand after the live stream completes. We want to have…
JeffN
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