22 Aug
2013
22 Aug
'13
7:39 p.m.
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