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mich
Tux's lil' helper
Joined: 29 Sep 2007
Posts: 135
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 Posted: Wed Feb 19, 2025 10:17 am Post subject: Gnome screen recorder failed! |
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Hello,
When I open the gnome screen recorder and try to record a video it send the following message: screencast failed to start
Can somebody help me please?
Thanks in advance,
Michel |
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CooSee
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Joined: 20 Nov 2004
Posts: 1518
Location: Earth
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| Posted: Thu Feb 20, 2025 1:01 am Post subject: |
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from https://wiki.gentoo.org/wiki/GNOME/Guide#GNOME_built-in_screen_recorder_is_not_working
| Quote: | GNOME's screen recorder uses vp8 codec which is developed by Google. The recorder needs this codec and pipewire screencast feature to record the desktop.
It can be enabled it via the the vpx and screencast USE flags in either the make.conf or package.use files. |
| Code: | | USE="vpx screencast" |
and re-compile pipewire.
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mich
Tux's lil' helper
Joined: 29 Sep 2007
Posts: 135
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| Posted: Thu Feb 20, 2025 6:56 am Post subject: |
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Thank you, I'll try and comeback!!! |
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mich
Tux's lil' helper
Joined: 29 Sep 2007
Posts: 135
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| Posted: Thu Feb 20, 2025 1:22 pm Post subject: |
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| mich wrote: |
Thank you, I'll try and comeback!!! |
Hello,
I did via package.use: cat /etc/portage/package.use/pipewire
media-video/pipewire vpx screencast
And when I verify: i don't see the news flags
| Code: | I] media-video/pipewire
Available versions: 1.2.6(0/0.4)^t 1.2.7(0/0.4)^t 1.2.7-r1(0/0.4)^t **9999(0/0.4)*l^t {X bluetooth dbus doc echo-cancel elogind extra ffmpeg flatpak gsettings gstreamer ieee1394 jack-client jack-sdk liblc3 lv2 (+)man modemmanager pipewire-alsa readline roc selinux sound-server ssl system-service systemd test v4l zeroconf ABI_MIPS="n32 n64 o32" ABI_S390="32 64" ABI_X86="32 64 x32"}
Installed versions: 1.2.7-r1(0/0.4)^t(08:38:47 AM 01/19/2025)(X bluetooth dbus elogind gstreamer readline ssl -doc -echo-cancel -extra -ffmpeg -flatpak -gsettings -ieee1394 -jack-client -jack-sdk -liblc3 -lv2 -man -modemmanager -pipewire-alsa -roc -selinux -sound-server -system-service -systemd -test -v4l -zeroconf ABI_MIPS="-n32 -n64 -o32" ABI_S390="-32 -64" ABI_X86="64 -32 -x32")
Homepage: https://pipewire.org/
Description: Multimedia processing graphs
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Thanks
[Administrator edit: added [code] tags to preserve output layout. -Hu] |
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logrusx
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Joined: 22 Feb 2018
Posts: 2744
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| Posted: Thu Feb 20, 2025 2:38 pm Post subject: |
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| mich wrote: | | mich wrote: |
Thank you, I'll try and comeback!!! |
Hello,
I did via package.use: cat /etc/portage/package.use/pipewire
media-video/pipewire vpx screencast
And when I verify: i don't see the news flag |
That's because pipewire does not have such flags. Add them to USE in make.conf would be the easiest.
If you insist on putting them in package.use, run emerge with USE="screencast vpx" on the command line and see which packages are impacted and which of them are relevant, then add the corresponding entries to package.use.
Best Regards,
Georgi |
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mich
Tux's lil' helper
Joined: 29 Sep 2007
Posts: 135
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| Posted: Thu Feb 20, 2025 4:44 pm Post subject: |
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| logrusx wrote: | | mich wrote: | | mich wrote: |
Thank you, I'll try and comeback!!! |
Hello,
I did via package.use: cat /etc/portage/package.use/pipewire
media-video/pipewire vpx screencast
And when I verify: i don't see the news flag |
That's because pipewire does not have such flags. Add them to USE in make.conf would be the easiest.
If you insist on putting them in package.use, run emerge with USE="screencast vpx" on the command line and see which packages are impacted and which of them are relevant, then add the corresponding entries to package.use.
Best Regards,
Georgi |
Hello,
USE="screencast vpx" emerge -a pipewire
These are the packages that would be merged, in order:
Calculating dependencies... done!
Dependency resolution took 14.31 s (backtrack: 0/20).
[ebuild R ] media-video/pipewire-1.2.7-r1
Any package impacted, but after emerge finished I tried to record video and have the same error message: screencast failed to start
Thanks |
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logrusx
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Joined: 22 Feb 2018
Posts: 2744
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| Posted: Thu Feb 20, 2025 4:56 pm Post subject: |
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First of all, you need to update world.
Second, you need to instruct emerge to look for changed use flags with -U then you need to instruct it to go in depth with -D. The universal command is
| Code: | | emerge -DuUav @world |
I already told you pipewire has none of those use flags and this rebuild is irrelevant.
As a consequence you need to run
| Code: | | emerge --deselect pipewire |
because you recorded it in world where it should not be.
Almost always, when you run emerge to fix something, you need to run it with -1 (--oneshot). Only run emerge without oneshot when you explicitly want the thing emerged. Like firefox or chromium for example.
If you use binary packages you add g to instruct emerge to look for binary packages.
Third, I happen to have Gnome installed. I just migrated off of it a couple of weeks ago and still haven;t figure out what should I keep and what should I get rid of. I didn't find such a program - gnome screen recorder. Neither in Gnome itself, nor in the main tree, nor in the overlays.
Where did you get it from?
Best Regards,
Georgi |
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pietinger
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Joined: 17 Oct 2006
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Location: Bavaria
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logrusx
Advocate
Joined: 22 Feb 2018
Posts: 2744
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| Posted: Thu Feb 20, 2025 7:46 pm Post subject: |
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OK, I found out I could use the screenshot tool to capture the screen. I was able to do it. What I have is screencast enabled on mutter and vpx enabled on gst-plugins-meta and ffmepg. You might not need to enable it on ffmpeg, because I have some recollections I enabled it for something else, but if it doesn't work, try enabling that too.
However I'm not happy with the quality of the video produced. I wasn't able to forward or rewind it in mpv, it always terminated the playback, which is a pretty bad sign for the quality of the file.
Best Regards,
Georgi |
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