Set _NET_WM_NAME so that the window can be shared on screen-sharing software #31
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Gstreamer does not set the _NET_WM_NAME property on the window it creates when using `autovideosink` (or ximagesink/xvimagesink for that matter). A lot of tools (like Zoom) filter based on this field being non-null, so the window can't be shared. This horrible hack finds the first open window that matches our application name and proceeds to set _NET_WM_NAME on it. It is very ugly, but it works.
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I tested your code and confirm it works nicely on Zoom! Thanks! |
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I tested it and in Discord it worked without this. Nevertheless I backported it to my AUR package in this commit Sadly this project seems kinda dead so if someone wants to actively maintain a fork I may switch to it. |
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renamed to UxPlay |
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The solution would be very useful not only for Zoom users but also for BBB users. Unfortunately, I'm not a developer. I tried to compile the code from DavidVentura, but with no visible success. The window is already noname. Maybe I forget something important? Excuse for probably very boring question: I changed the two files mentioned here: 7c80c93 and run cmake, make. It compiles and working fine. But still no window name ... Seems to be, there is a step missing? Would be happy, if someone could help! |
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To verify if the window is your problem, you can set a name manually: my patch does that (and it's also upstreamed). i guess you just have some cache? either delete your repo and clone+build again or do some type of |
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I can confirm that this patch works great.
with it, Zoom finds the window.
… On Mar 8, 2021, at 10:26 AM, Peter111160 ***@***.***> wrote:
The solution would be very useful not only for Zoom users but also for BBB users. Unfortunately, I'm not a developer. I tried to compile the code from DavidVentura, but with no visible success. The window is already noname. Maybe I forget something important? Excuse for probably very boring question: I changed the two files mentioned here: 7c80c93 <7c80c93> and run cmake, make. It compiles and working fine. But still no window name ... Seems to be, there is a step missing? Would be happy, if someone could help!
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…en-sharing software #31 (added fix from PR #3 from https://github.com/DavidVentura/UxPlay) Gstreamer does not set the _NET_WM_NAME property on the window it creates when using autovideosink (or ximagesink/xvimagesink for that matter). A lot of tools (like Zoom) filter based on this field being non-null, so the window can't be shared. This horrible hack finds the first open window that matches our application name and proceeds to set _NET_WM_NAME on it. It is very ugly, and I do not know what I am doing, but it works. Feel free to use this to write something that makes more sense. --------------------------- changes from PR #31: use the UxPlay server-name as the widow name.
…een-sharing software antimof#31 (should have been part of previous commi)
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see the implementation as an cmake option in PR #58, which is a full update of UxPlay |
5 participants
Gstreamer does not set the _NET_WM_NAME property on the window it
creates when using
autovideosink(or ximagesink/xvimagesink for thatmatter).
A lot of tools (like Zoom) filter based on this field being non-null, so
the window can't be shared.
This horrible hack finds the first open window that matches our application
name and proceeds to set _NET_WM_NAME on it.
It is very ugly, and I do not know what I am doing, but it works. Feel free to use this to write something that makes more sense.