[FFmpeg-user] datascope 16-bit

[Paul B Mahol]

On 11/19/22, Paul B Mahol <onemda at gmail.com> wrote:
> On 11/19/22, Michael Koch <astroelectronic at t-online.de> wrote:
>> Am 03.11.2022 um 10:10 schrieb Paul B Mahol:
>>>
>>> Some things in sea of myriad others:
>>> [...]
>>> Why you claim that datascope does not support >8 bit formats where in
>>> fact it does support it?
>>
>> In some cases datascope works with 16-bit data, but not in all cases.
>> Here is an example where it doesn't work:
>>
>> ffmpeg -f lavfi -i color=black:s=32x32,format=gray10le -lavfi
>> geq=lum='X+32*Y',format=gray10le -frames 1 -y test.png
>>
>> ffmpeg -i test.png -vf
>> format=rgb48,showinfo,datascope=s=1280x1152:mode=color2:format=hex -y
>> out.png
>
> Works here just fine, nice trolling.
>

And if you want 16bit numbers, this is libavfilter pixel format
negotiation bug which does not pick proper high bit depth format
nothing to do with datascope at all.