[Cin] SVT-AV1 encoding quite fast on x86_64

[Terje J. Hanssen]

Den 30.12.2023 01:28, skrev Terje J. Hanssen:
>
> Den 29.12.2023 12:16, skrev Andrea paz:
>> @Terje
>> If you want to give it a try, I put an appimage containing libaom
>> 3.8.0 and svt-av1 (and the av1-svt.webm preset) in my Dropbox. If you
>> don't like Dropbox, ask me to put it in some file transfer you know, I
>> have no problem.
>> https://www.dropbox.com/scl/fi/8gbhy9t8t1x0kect0qgdz/cin-aom-38_svt.AppImage?rlkey=dgqjcl1nr829re9rirqqw5gx9&dl=0
>>
>> PS: As Phyllis said, you can try to compile it yourself, following the
>> instructions in the manual. I assure you it's not complicated, as I've
>> done it myself (just ask Andrew how hard I make him mad! :) )
>
> Thank you Andrea for the cin-aom-38_svt.AppImage (97.8 MB)
> At first I tried to run it on Leap 15.5, but its glibc 2.31 was too old.
> On Tumbleweed-Slowroll the cin-aom-38_svt.AppImage started ok.
>
> I have just finished the aom 38 av1 rendering of the same PAL 1080i25 
> HDV clip:
>
> du -sh hdv07*.webm
> 235M    hdv07_05_cingg_aom-av1.webm
> 241M    hdv07_05_m2t_cingg_aom38-av1.webm
> 239M    hdv07_05_m2t_svt-av1_pr10.webm
>
> But unhappily it was a bit even slower on my machine than the previous 
> aom.
> And continued playback Video with aspect ratio 4:3 and scratch sound 
> on the Audio.
> smpte170m colors seems for me to be for NTSC, and not for PAL video.
> Rendering took 0:41:08, almost 6 times the clip duration
> FPS=10240/2468=4.15

Regarding color standard, it seems that smpte170m has been for both NTSC 
and PAL SDTV
Without knowing much about this matter, I would have expected BT.709 
(rec.709) for HDTV (?)



>
>     ffplay -hide_banner hdv07_05_m2t_cingg_aom38-av1.webm
>     [libdav1d @ 0x7f0dc0005a80] libdav1d 1.0.0    0KB sq=    0B f=0/0
>     Input #0, matroska,webm, from 'hdv07_05_m2t_cingg_aom38-av1.webm':
>       Metadata:
>         ENCODER         : Lavf60.16.100
>       Duration: 00:06:58.08, start: 0.000000, bitrate: 4821 kb/s
>       Stream #0:0: Video: av1 (Main), yuv420p(pc,
>     smpte170m/unknown/unknown), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps,
>     25 tbr, 1k tbn, 1k tbc
>         Metadata:
>           DURATION        : 00:06:58.043000000
>       Stream #0:1(eng): Audio: vorbis, 48000 Hz, stereo, fltp
>         Metadata:
>           DURATION        : 00:06:58.082000000
>     [libdav1d @ 0x7f0dc0017340] libdav1d 1.0.0
>        3.38 A-V:  0.009 fd=   0 aq=   14KB vq=  160KB sq=    0B f=0/0
>
>
> If SVT-AV1 1.8.0 rendering is possible with cin-aom-38_svt.AppImage, 
> where do you select this?
>
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