Public bug reported:
[Impact]
Using pipewire with video device created by v4l2loopback will get following
error log
$ gst-launch-1.0 pipewiresrc ! videoconvert ! autovideosink
Setting pipeline to PAUSED ...
ERROR: from element /GstPipeline:pipeline0/GstPipeWireSrc:pipewiresrc0: stream
error: can't negotiate buffers on port
Additional debug info:
../src/gst/gstpipewiresrc.c(692): on_state_changed ():
/GstPipeline:pipeline0/GstPipeWireSrc:pipewiresrc0
ERROR: pipeline doesn't want to preroll.
ERROR: from element /GstPipeline:pipeline0/GstPipeWireSrc:pipewiresrc0:
Internal data stream error.
Additional debug info:
../libs/gst/base/gstbasesrc.c(3177): gst_base_src_loop ():
/GstPipeline:pipeline0/GstPipeWireSrc:pipewiresrc0:
streaming stopped, reason not-negotiated (-4)
Failed to set pipeline to PAUSED.
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...
** Affects: pipewire (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- pipewire not able to work with video device created by v4l2loopback
+ pipewire failed to work with v4l2loopback devices
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https://bugs.launchpad.net/bugs/2131647
Title:
pipewire failed to work with v4l2loopback devices
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