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VMAF filter for VapourSynth

License: MIT License

C++ 95.04% Meson 4.96%

vapoursynth vmaf

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perfectsun1990

vapoursynth-vmaf's Issues

vmaf.Metric CIEDE2000 broken with various formats

Linux, R58

VapourSynth Video Processing Library
Copyright (c) 2012-2021 Fredrik Mellbin
Core R58
API R4.0
API R3.6
Options: -

Error: Failed to retrieve frame 1 with error: Metric: Q
libvmaf WARNING problem with feature extractor "ciede" at index 0
libvmaf WARNING problem with feature extractor "ciede" at index 0
libvmaf WARNING problem with feature extractor "ciede" at index 0
libvmaf WARNING problem with feature extractor "ciede" at index 0
tcache_thread_shutdown(): unaligned tcache chunk detected
libvmaf WARNING problem with feature extractor "ciede" at index 0
libvmaf WARNING problem with feature extractor "ciede" at index 0

Broken with:

YUV420P8
YUV420P14
YUV422P8
YUV422P14
All YUV444PX formats

import vapoursynth as vs
from vsutil import scale_value
core = vs.core

fmts420 = [
    vs.YUV420P8,
    vs.YUV420P9,
    vs.YUV420P10,
    vs.YUV420P12,
    vs.YUV420P14,
    vs.YUV420P16
]

fmts422 = [
    vs.YUV422P8,
    vs.YUV422P9,
    vs.YUV422P10,
    vs.YUV422P12,
    vs.YUV422P14,
    vs.YUV422P16
]

fmts444 = [
    vs.YUV444P8,
    vs.YUV444P9,
    vs.YUV444P10,
    vs.YUV444P12,
    vs.YUV444P14,
    vs.YUV444P16
]

ref = [core.std.BlankClip(format=fmt, length=10) for fmt in fmts420]
distort = [core.std.BlankClip(
    clip, color=[scale_value(130, 8, clip.format.bits_per_sample)]*3, length=10) for clip in ref
]

for clip in range(len(distort)):
    core.vmaf.Metric(
        reference=ref[clip], distorted=distort[clip],
        feature=4
    ).set_output(clip)

vmaf.Metric PSNR-HVS frame prop returns "nan" or "-nan" on YUV4XXP16 clip

Linux, R58

import vapoursynth as vs
core = vs.core

blank = [
    core.std.BlankClip(format=vs.YUV420P16, color=[20 << 8]*3),
    core.std.BlankClip(format=vs.YUV420P16, color=[120 << 8]*3)
]
core.vmaf.Metric(blank[0], blank[1], feature=1).text.FrameProps().set_output()

vmaf.Metric PSNR broken YUV4XXP8 and YUV4XXP14

Example script in #5
Linux, R58

libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
libvmaf WARNING problem with feature extractor "psnr" at index 0
Error: Failed to retrieve frame 2 with error: Metric: Q@

CAMBI

Hello, Netflix have released a new tool. Could this be integrated?

https://github.com/Netflix/vmaf/blob/master/resource/doc/cambi.md

homeofvapoursynthevolution / vapoursynth-vmaf Goto Github PK

vapoursynth-vmaf's People

Stargazers

Watchers

Forkers

vapoursynth-vmaf's Issues

vmaf.Metric CIEDE2000 broken with various formats

vmaf.Metric PSNR-HVS frame prop returns "nan" or "-nan" on YUV4XXP16 clip

vmaf.Metric PSNR broken YUV4XXP8 and YUV4XXP14

CAMBI

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