av1 file not recognized #6165
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mbunkus/mkvtoolnix#6165
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Creating an av1 file using:
vspipe "G:\Output\encodingTempSynthSkript_2025-10-02@17_30_13_7110_0.vpy" - --outputindex 0 -c y4m | NVEnc --y4m -i - --fps 23.976 --codec av1 --sar 1:1 --lookahead 32 --output-depth 10 --vbr 0 --vbr-quality 23.00 --aq --aq-strength 5 --aq-temporal --gop-len 0 --ref 6 --multiref-l0 3 --multiref-l1 3 --bframes 3 --bref-mode auto --no-b-adapt --mv-precision Q-pel --preset quality --colorrange limited --colormatrix bt709 --colorrange limited --cuda-schedule sync --output "G:\Output\Drone_rocky_1_2025-10-02@17_30_13_7110_03.av1"and trying to mux the file using:
I get:
The type of file 'G:\Output\Drone_rocky_1_2025-10-02@17_30_13_7110_03.av1' could not be recognized.I uploaded the source file, the reencoded file the used vpy file and the xml file I used to my GoogleDrive
Using MP4Box to create a mp4, or FFMPEG instead of mkvmerge to create a mkv file both work fine.
Using aomenc as av1 encoder and mkvtoolnix recognizes the output without a problem. Only when NVEncC with av1 is used, I run into problems. (NVEncC with H265 works fine too.)
Thanks! I'll look into it.
Thanks!
Deleted what I wrote earlier as testing with AOM's own
dump_obutool yields rather different results than the tool I used before. Will have to do more work before I can really say anything.