On 08/22/13 18:40, Jack wrote: > > Le 22/08/2013 18:23, IOhannes m zmölnig a écrit : >> On 08/22/13 18:05, Jack wrote: >>> When I compile streamViewer.cpp which contains the gstreamer pipe >>> finishing by : v4l2sink device=/dev/video2, i get no error. [...] > $ v4l2-ctl --all -d /dev/video2 > Failed to open /dev/video2: No such file or directory [...] > $ cat /sys/devices/virtual/video4linux/video2/format > cat: /sys/devices/virtual/video4linux/video2/format: No such file or > directory >
it seems that there is no /dev/video2. you should set up your pipeline to write to an existing v4l2 loopback device. then report the output of v4l2-ctl and /sys/devices/... for *that* device. fgmdsr IOhannes
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