Le mardi 25 avril 2017 à 10:08 +0200, Pali Rohár a écrit : > On Tuesday 25 April 2017 10:05:38 Pavel Machek wrote: > > > > It would be nice if more than one application could be > > > > accessing the > > > > camera at the same time... (I.e. something graphical running > > > > preview > > > > then using command line tool to grab a picture.) This one is > > > > definitely not solveable inside a library... > > > > > > Someone once suggested to have something like pulseaudio for V4L. > > > For such usage, a server would be interesting. Yet, I would code > > > it > > > in a way that applications using libv4l will talk with such > > > daemon > > > in a transparent way. > > > > Yes, we need something like pulseaudio for V4L. And yes, we should > > make it transparent for applications using libv4l. > > IIRC there is already some effort in writing such "video" server > which > would support accessing more application into webcam video, like > pulseaudio server for accessing more applications to microphone > input. > Because references are nice: https://blogs.gnome.org/uraeus/2015/06/30/introducing-pulse-video/ https://gstconf.ubicast.tv/videos/camera-sharing-and-sandboxing-with-pinos/ And why the internals are not going to be implemented using GStreamer in the end: https://gstconf.ubicast.tv/videos/keep-calm-and-refactor-about-the-essence-of-gstreamer/ regards, Nicolas
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