[Cin] weird svt-av1 / libdav1d interaction

Andrew Randrianasulu randrianasulu at gmail.com
Thu Dec 14 11:57:13 CET 2023


So, I was testing libsvt-av1 1.8.0 on aarch64

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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