Re: [Cin] FFmpeg supported QSV pixel formats and profiles

Sun, 13 Oct 2024 05:44:12 -0700 



Den 13.10.2024 14:04, skrev Andrew Randrianasulu:




On Sun, Oct 13, 2024 at 2:43 PM Terje J. Hanssen 
<[email protected]> wrote:





    Den 13.10.2024 03:04, skrev Andrew Randrianasulu:

    [snip]





            but can you check two more things with cmd line ffmpeg?


            first change .webm part of working command line to .mp4

            try it and report if and how it fail

            and then to mkv

            also report if it work or not.

            so we will try more common (for now ) container formats
            for av1, may be 7.0 simply can't make AV1 IN mp4
            container ....?



        mp4 and mkv works like webm from ffmpeg command line:

        du -sh dv01_07_av1_qsv_pr4_bv1570k.*
        24M    dv01_07_av1_qsv_pr4_bv1570k.mkv
        24M    dv01_07_av1_qsv_pr4_bv1570k.mp4
        24M    dv01_07_av1_qsv_pr4_bv1570k.webm



        Verified video and audio used with ffprobe :

        ffprobe -hide_banner dv01_07_av1_qsv_pr4_bv1570k.mkv
        Input #0, matroska,webm, from 'dv01_07_av1_qsv_pr4_bv1570k.mkv':
          Metadata:
            TIMECODE        : 01:09:35:09
            ENCODER         : Lavf61.1.100
          Duration: 00:01:53.29, start: -0.007000, bitrate: 1724 kb/s
          Stream #0:0: Video: av1 (libdav1d) (Main), yuv420p(tv,
        bottom coded first (swapped)), 720x576, SAR 16:15 DAR 4:3, 25
        fps, 25 tbr, 1k tbn
              Metadata:
                ENCODER         : Lavc61.3.100 av1_qsv
                DURATION        : 00:01:53.280000000
          Stream #0:1: Audio: opus, 48000 Hz, stereo, fltp
              Metadata:
                ENCODER         : Lavc61.3.100 libopus
                DURATION        : 00:01:53.288000000
        ---------

        ffprobe -hide_banner dv01_07_av1_qsv_pr4_bv1570k.mp4
        Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
        'dv01_07_av1_qsv_pr4_bv1570k.mp4':
          Metadata:
            major_brand     : isom
            minor_version   : 512
            compatible_brands: isomav01iso2mp41
            encoder         : Lavf61.1.100
          Duration: 00:01:53.28, start: 0.000000, bitrate: 1768 kb/s
          Stream #0:0[0x1](und): Video: av1 (libdav1d) (Main) (av01 /
        0x31307661), yuv420p(tv, bottom coded first (swapped)),
        720x576, 1634 kb/s, SAR 16:15 DAR 4:3, 25 fps, 25 tbr, 12800
        tbn (default)
              Metadata:
                handler_name    : VideoHandler
                vendor_id       : [0][0][0][0]
                encoder         : Lavc61.3.100 av1_qsv
                timecode        : 01:09:35:09
          Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D),
        48000 Hz, stereo, fltp, 128 kb/s (default)
              Metadata:
                handler_name    : SoundHandler
                vendor_id       : [0][0][0][0]
          Stream #0:2[0x3](eng): Data: none (tmcd / 0x64636D74)
              Metadata:
                handler_name    : TimeCodeHandler
                timecode        : 01:09:35:09
        Unsupported codec with id 0 for input stream 2
        ---------

        ffprobe -hide_banner dv01_07_av1_qsv_pr4_bv1570k.webm
        Input #0, matroska,webm, from 'dv01_07_av1_qsv_pr4_bv1570k.webm':
          Metadata:
            TIMECODE        : 01:09:35:09
            ENCODER         : Lavf61.1.100
          Duration: 00:01:53.29, start: -0.007000, bitrate: 1724 kb/s
          Stream #0:0: Video: av1 (libdav1d) (Main), yuv420p(tv),
        720x576, SAR 16:15 DAR 4:3, 25 fps, 25 tbr, 1k tbn
              Metadata:
                ENCODER         : Lavc61.3.100 av1_qsv
                DURATION        : 00:01:53.280000000
          Stream #0:1: Audio: opus, 48000 Hz, stereo, fltp
              Metadata:
                ENCODER         : Lavc61.3.100 libopus
                DURATION        : 00:01:53.288000000


    so, it works for ffmpeg but not for us.

    can you test those two attached files (profile for av1_qsv.webm
    and default file for av1_qsv, put both in bin/ffmpeg/video) ?



    I should hope I could report progress, but sorry - it's the same
    immediately error with av1_qsv.webm

    localhost:/home/cinelerra/cinelerra-5.1
    # ls bin/ffmpeg/video/av1_qsv*
    bin/ffmpeg/video/av1_qsv.dfl bin/ffmpeg/video/av1_qsv.mp4
    bin/ffmpeg/video/av1_qsv.webm

    # bin/cin
    Render to: /Videoklipp/QSV/dv01_07_av1_qsv.webm
    FFMPEG/webm
    Audio Preset: webm.webm (tried also opus.webm and opus.ffmpeg.webm)
    Video compression: av1_qsv.webm
    Pixels: yuv420



should be: Pixels: nv12 (due to QSV accepting it only this way)


Here show to be something strange;

Some times entering the Video preset and compression av1_qsv.webm: 
pixels has shifted between yuv420p and nv12, and no other option to 
select each time!?
It looks like when I write 'nv12' directly in the widget it remember it 
next time.

But it doesn't help on the render error


    webm av1_qsv
    # cin_pix_fmt=nv12
    (+)
    Overwrite: /Videoklipp/QSV/dv01_07_av1_qsv.webm
    (+)
    Cin error; Couldn't open /Videoklipp/QSV/dv01 07 av1 qsv.webm
    (+)
    Error rendering data



strange, Overwrite: /Videoklipp/QSV/dv01_07_av1_qsv.webm


Have to confirm (+) or (-) when the file name exists from before



yet Couldn't open /Videoklipp/QSV/dv01 07 av1 qsv.webm (with spaces, 
not underscores)



Yeah, it seemed as the underscores were stripped away, a graphical issue 
here?


    -------------
    Message log:
    int FFMPEG::init_encoder(const char*):
    mismatch audio/video file format: /Videoklipp/QSV/dv01_07_av1_qsv.webm
    Render::render_single: Session finished.
    -----------

    Another question I wondered about from yesterday:
    "you can change loglevel to debug in bin/ffmpeg/encode.opts too,
    it will produce bugger log, hopefully with more detailed error msg."
    -------
    localhost:/home/cinelerra/cinelerra-5.1/bin/ffmpeg # cat encode.opts
    # apply at init encode
    #loglevel=error
    loglevel=debug
    threads=auto
    side_data_only_packets=1
    ----------------
    As I understood this, the loglevel=debug is setup in Cingg's
    internal ffmpeg, to "trigger" debug error messages from the
    external system ffmpeg(?)
    How does communication work, and did it report more detailed error
    msg."



Yeah, but we are not even at encoding entrypoint, so this line had no 
chance to show anything.



That's also my impression, the encoding really never starts and breaks 
immediately

So there is no ffmpeg log file to inspect





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