[Cin] tried to update av1.webm profile

[Andrew Randrianasulu]

On Wednesday, June 16, 2021, Phyllis Smith via Cin <
cin at lists.cinelerra-gg.org> wrote:

> Amazing improvement in speed -- it makes it possible to create AOM media
> format.
> A 1 1/2 minute video with audio OLD took 43 minutes versus NEW took 7
> minutes.
> The only thing that was a surprise and I have no explanation for is the
> size difference.
> 4101702 OLD versus 4403173 NEW but they seem to "play" the same.
>


Then I think it might be 'same quality at higher bitrate'...


> I will check this into GIT tomorrow (or the next time I turn on that
> computer).
> THANKS a lot, Andrew.
>
> On Tue, Jun 15, 2021 at 5:25 PM Andrew Randrianasulu via Cin <
> cin at lists.cinelerra-gg.org> wrote:
>
>> now it uses faster settings with lower quality (but you actually can wait
>> that long for encoding, unlike current default)
>>
>>
>> tested with libaom-3.1.0 (3.1.1 already around)
>>
>> settings copied from
>>
>> https://trac.ffmpeg.org/wiki/Encode/AV1
>>
>> ps: strange, other 'strict - 2' profile (ffmpeg's mjpeg2k encoder) works
>> ok.. so, option processing not broken...
>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
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