[Cin] QSV profile debuggin thread

[Andrew Randrianasulu]

пт, 11 окт. 2024 г., 23:36 Terje J. Hanssen <terjejhanssen at gmail.com>:

>
>
> Den 11.10.2024 22:13, skrev Terje J. Hanssen:
>
>
>
> Den 11.10.2024 21:04, skrev Andrew Randrianasulu:
>
> So, Terje, can you run your usual working ffmpeg command encoding av1 via
> system fmmpeg/qsv but with added
>
> -loglevel debug
>
> ?
>
> and post full output here.
>
> Then we can set same loglevel in bin/ffmpeg/encode.opts
>
> so we hopefully will spot difference in parameters send down to line ...
>
> then we can try to make ffmpeg fail by adding say -profile=main to
> ffmpeg's command line and see more detailed error
>
> then hopefully we can tweak qsv_av1 profile back into usability.
>
> Repeat for vp9/h264.
>
>
>
> Andrew, I think use two input video examples
> 1) SD-DV
> 2) HDV
>
> Currently ffmpeg-7-7.0.2 on Tumbleweed-Slowroll (but have also
> ffmpeg-7-7.1 on Leap if wanted)
> I use output.log file. For some reason the terminal output alone is
> seemingly more verbose, and longer than I can scroll back to copy.
>
> Oh, the reason was the ffmpeg output file existed and it wasn't
> overwritten.
> I also shows that the output is too long for Cingg messages, and I try to
> post the two log files compressed by email if acceptable(?)
>

I think only parts where we see setup.of MXF session are important, but I
hope log files compress well. If they still too big post them to me
directly.



> 1)
> 576i SD-DV -> AV1_QSV at bv1570k
> --------------------------------
> ffmpeg -loglevel debug -hwaccel_output_format qsv -qsv_device
> /dev/dri/renderD128 -i dv01_07.dv -c:v av1_qsv -preset 4 -b:v 1570k
> dv01_07_av1_qsv_pr4_bv1570k.webm > dv01_07_av1_qsv.log 2>&1
>
> 2)
> 1080i HDV->AV1_QSV at bv3700k
> -----------------------------
> fmpeg -hide_banner -hwaccel_output_format qsv -qsv_device
> /dev/dri/renderD128 -extra_hw_frames 16 -i hdv09_04.m2t -c:v av1_qsv
> -preset 4 -b:v 3700k hdv09_04_av1_qsv_pr4_bv3700k.webm >
> hdv09_04_av1_qsv.log 2>&1
>
>
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