OSD generated as a video with transparent background

[Pairan]

Is there an existing feature request for this?

• I have searched the existing open and closed issues

Feature description

Please add an option where the OSD is generated as a video with transparent background ONLY

makes it very easy to overlay on other sources like 4K footage and such

[MrD-RC]

+1 for this. I believe it would have to be done as a series as exported .PNG files with a transparent background. This is how it works with the other tool. Which makes importing the OSD in to programs like DaVinci Resolve really easy.

[Pairan]

Darren ... glad you like that idea too :)

Davince may be able to assemble these amounts of files but on the other Hand (my) Final Cut Pro X isnt that amused about the amount of file resulting in this! 10min => 38500 files ...

So a solid video with transparency (simple pickable color of choice) would be one file to fiddle with

[MrD-RC]

I never find keying out the video to give great results. Maybe they option of of a video with a solid colour background for keying, or the png sequence.

[kirek007]

There are video formats that supports transparent background without keying. I might be able to provide a ffmpeg example for it.. But I'm short on time these days. My tool was using png because it was super easy.. But it was quite big amount of files :( czw., 27 kwi 2023, 10:02 użytkownik Darren Lines ***@***.***> napisał:

…

I never find keying out the video to give great results. Maybe they option of of a video with a solid colour background for keying, or the png sequence. — Reply to this email directly, view it on GitHub <#7 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAOKQCZ5LJQJUWB2VXKDE5LXDIR2JANCNFSM6AAAAAAVXSBCQI> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[Pairan]

That of course would be great @kirek007 ... and surely provide the best result

[MrD-RC]

Any news on this? This is the main thing stopping using this tool.

[Pairan]

Any news on this? This is the main thing stopping using this tool.

As I didn't catch you on Telegram and the others might be interested ind this too: Its already done! Download the latest "latest build" and get going! Works brilliant

[MrD-RC]

IMHO, adding a key colour is not the correct solution. Especially in a full colour capable OSD. Keying is never perfect and has artefacts. Also, these OSD elements can have anti-aliasing. Meaning they have parts that are semi-transparent. These parts will just pick up the key colour. Giving them a glow based on that key colour.

It should either output a transparent png sequence or a video with a genuine transparent background.

[ledgendarydiy]

I don't understand how I could render without using the video file? Is there a button or check box I am missing? Or is there a certain procedure to achieve this?

[Pairan]

Yes ... you can click on the "chroma" in the bottom and then it renders the OSD against a specific color ;)