[Feature Request] Alpha channel existence indicator for video files

[AlanEdd]

Hey there,
What I would love is the possibility to include an alpha channel indicator on a thumbnail.
It's not always evident if a video has an alpha, maybe the alpha is fully opaque at the time the thumbnail was taken.
When I am converting files I can quickly see what codecs I need to use, if I could see from the thumbnail if I have to consider an alpha channel.
Anyway as an on/off switch on thumbnail generation for video file formats it would be amazing. I guess not relevant for images. Below image is just a mock up.
Thanks!

[Xanashi]

Hi AlanEdd,

How about having a Windows property that shows the existence of an alpha channel?
That probably wouldn't be too hard to implement.

[AlanEdd]

Thank you for the reply.
Yes I can work with that. I use Directory Opus which has great file information columns that pickup from Icaros. Really appreciate it if it fits within your software.
Thanks
Alan

[Xanashi]

I'll see what I can do

[AlanEdd]

*Might be of interest, I use this script within Directory Opus to detect if a file has an alpha channel.
ffplay -v error {filepath} -vf alphaextract -noborder -loop 0 -seek_interval 1 -alwaysontop -stats

Basically if it plays and shows an alpha channel, it's there, otherwise nothing happens.

[Xanashi]

Thanks for the hint. I'm not currently using FFmpeg in the Property Handler, so I can't use the above method,
but hopefully there are other ways to detect the alpha channels in at least mkv and mp4.