On Tue, 15 Mar 2016 09:10:59 +0200 Ran Shalit <ranshalit@xxxxxxxxx> wrote: > Hello, > > This is a bit offtopic, so I will understand if you rather not discuss that... > > I am trying to use gstreamer with v4l2 vivi device, > I first check the capabilities with > > gst-launch-1.0 --gst-debug=v4l2src:5 v4l2src device="/dev/video0" ! > fakesink 2>&1 > > and it gives many capabilities such as the following: > > video/x-raw-yuv, format=(string)YUY2, framerate=(fraction)[1/1000, > 1000/1], width=(int) 640, height=(int)180, interlaced=(boolean)true > A cleaner way to enumerate capabilities of a video device in GStreamer is like that: gst-device-monitor-1.0 Video on Debian distributions gst-device-monitor-1.0 is in the gstreamer1.0-plugins-base-apps package. > So I tried to run as following: > > gst-launch-0.10 v4l2src device="/dev/video0" ! > video/x-raw,width=640,height=180,framerate=30 ! autovideosink > > But it keeps giving me auto negotiation error -4. > Trying to give other values did not help neither. BTW, the need for videoconvert is more likely because of the pixelformat rather than the frame dimensions. Ciao ciao, Antonio -- Antonio Ospite http://ao2.it A: Because it messes up the order in which people normally read text. See http://en.wikipedia.org/wiki/Posting_style Q: Why is top-posting such a bad thing? -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
