video loopback device
Hi all,
I'm looking for an application/driver which let to create a virtual device where to send the video output of an application or of another video device.
Typical application would be for example to capture from a webcam, apply some filter to it, and finally pulish it to another application reading from a video device.
I see there are at least three distinct projects which provides a video for loopback device:
* video4linux loopback device/vloopback:
http://www.lavrsen.dk/twiki/bin/view/Motion/VideoFourLinuxLoopbackDevice
Seems to be unmaintained, also if I'm not wrong it only supports video4linux and not video4linux 2 API.
* video4linux2 virtual device
http://sourceforge.net/projects/v4l2vd/
This should be the successor of vloopback, unfortunately it seem not to work with linux 2.6.26:
https://sourceforge.net/forum/forum.php?thread_id=2897804&forum_id=579262
and also seems a little unmaintained.
* http://code.google.com/p/v4l2loopback/
I don't know if there are applications using it, just read about it in this ML.
I wonder if someone can express an opinion on these projects, for example to tell their current status / usability.
TIA, regards.
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Quoted 36 lines · Stefano Sabatini
Hi all,
I'm looking for an application/driver which let to create a virtual device where to send the video output of an application or of another video device.
Typical application would be for example to capture from a webcam, apply some filter to it, and finally pulish it to another application reading from a video device.
I see there are at least three distinct projects which provides a video for loopback device:
* video4linux loopback device/vloopback:
http://www.lavrsen.dk/twiki/bin/view/Motion/VideoFourLinuxLoopbackDeviceSeems to be unmaintained, also if I'm not wrong it only supports video4linux and not video4linux 2 API.
* video4linux2 virtual device
http://sourceforge.net/projects/v4l2vd/This should be the successor of vloopback, unfortunately it seem not to work with linux 2.6.26:
https://sourceforge.net/forum/forum.php?thread_id=2897804&forum_id=579262and also seems a little unmaintained.
* http://code.google.com/p/v4l2loopback/
I don't know if there are applications using it, just read about it in this ML.
I wonder if someone can express an opinion on these projects, for example to tell their current status / usability.
Quoted 7 lines
TIA, regards.
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Hello, I am an author of http://code.google.com/p/v4l2loopback/
this driver works with kernels up to 2.6.30 and I also written small helper program to apply video effects
http://code.google.com/p/v4lsink/
It works fine with skype and there is bug report about interaction with adobe flash. I started this driver exactly because all others did not work with skype.
by the way, this mailing list is no longer used, please go to [email protected] mailing list
vasaka
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Quoted 1 line · [email protected] writes:
I am an author of http://code.google.com/p/v4l2loopback/
Does this work with recent kernels?. It hasn't been touched for over a year. Do you intend to maintain this?.
I find it strange that there aren't more cries for such an application. There are so many v4l2 applications and we all want them to be gstreamer apps or JACK VIDEO apps, but a bridge to be able to feed v4l2 applications from gstreamer is so useful.
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