[Cin] weird svt-av1 / libdav1d interaction

[Terje J. Hanssen]

Den 14.12.2023 14:31, skrev Andrew Randrianasulu:
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> чт, 14 дек. 2023 г., 14:34 Andrew Randrianasulu <randrianasulu at gmail.com>:
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>     чт, 14 дек. 2023 г., 13:57 Andrew Randrianasulu
>     <randrianasulu at gmail.com>:
>
>         So, I was testing libsvt-av1 1.8.0 on aarch64
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>         ffmpeg -i 20081103140154.m2t -s 160*120  -c:v libsvtav1
>         -preset:v 13 av1-1.mkv
>
>         it produces seemingly valid file, but I only can play ot with
>         libaom decoder, not libdav1d (as packaged by termux)
>
>         ~ $ mpv av1-1.mkv -vo tct --vid=1
>          (+) Video --vid=1 (av1 160x120 25.000fps)
>          (+) Audio --aid=1 (vorbis 2ch 48000Hz)                      
>           Error while decoding frame!
>         [ffmpeg/video] libdav1d: Error parsing frame header
>         [ffmpeg/video] libdav1d: Error parsing OBU data
>
>         it works if I run it via libaom decoder
>
>
>         mpv av1-1.mkv -vo tct --vid=1 --vd=libaom-av1
>          (+) Video --vid=1 (av1 160x120 25.000fps)
>          (+) Audio --aid=1 (vorbis 2ch 48000Hz)
>
>         (no errors)
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>
>
>     I posted small file to termux issue tracker, hopefully you can get
>     it by right clicking on video and selecting save file.
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>     https://github.com/termux/termux-packages/issues/18721
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>     github does not like mkv, so I re-made same file as webm.
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>
>
>
> also posted at libdav1d repo:
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> https://code.videolan.org/videolan/dav1d/-/issues/434
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>
Without any study, I simply found that VLC did playback my SVT-AV1 webm 
files more clean and smoothly than the visible stuttering default Gnome 
videoplayer (Totem).

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