I am facing problems with gstreamer pipeline. videotestsrc is working fine but when I try to use v4l driver it gives me the following errors. [Working ] gst-launch videotestsrc ! video/x-raw-rgb, framerate=25/1, width=640, height=360 ! fakesink [Not Working] root@overo:~# gst-launch-0.10 -v v4l2src device=/dev/video6 queue-size=8 ! video/x-raw-yuv,format=\(fourcc\)UYVY,width=720,height=480 ! ffmpegcolorspace ! tcpserversink host=192.168.1.104 port=5000 Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to enumerate possible video formats device '/dev/video6' can work with Additional debug info: /home/siguser/yocto-28-11/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/gst-plugins-good/0.10.31-r8/gst-plugins-good-0.10.31/sys/v4l2/gstv4l2object.c(1122): gst_v4l2_object_fill_format_list (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to get number 0 in pixelformat enumeration for /dev/video6. (25 - Inappropriate ioctl for device) Setting pipeline to NULL ... Freeing pipeline ... root@overo:~# gst-launch-0.10 v4l2src --gst-debug=0 device=/dev/video6 ! video/x-raw-yuv,width=640,height=480,framerate=\(fraction\)2/1 ! ffmpegcolorspace ! smokeenc keyframe=8 qmax=40 ! udpsink host=192.168.1.104 port=5000 Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to enumerate possible video formats device '/dev/video6' can work with Additional debug info: /home/siguser/yocto-28-11/build/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/gst-plugins-good/0.10.31-r8/gst-plugins-good-0.10.31/sys/v4l2/gstv4l2object.c(1122): gst_v4l2_object_fill_format_list (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to get number 0 in pixelformat enumeration for /dev/video6. (25 - Inappropriate ioctl for device) Setting pipeline to NULL ... Freeing pipeline ... My webcam supported video formats: root@overo:~# LD_PRELOAD=/usr/lib/libv4l/v4l2convert.so v4l2-ctl -d 6 --list-formats ioctl: VIDIOC_ENUM_FMT Index : 0 Type : Video Capture Pixel Format: 'RGB3' (emulated) Name : RGB3 Index : 1 Type : Video Capture Pixel Format: 'BGR3' (emulated) Name : BGR3 Index : 2 Type : Video Capture Pixel Format: 'YU12' (emulated) Name : YU12 Index : 3 Type : Video Capture Pixel Format: 'YV12' (emulated) Name : YV12 -- Regards, Zafrullah Syed _______________________________________________ gstreamer-embedded mailing list gstreamer-embedded@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/gstreamer-embedded
