Fatal error: No element "v4l2src"

[Alibinwahid]

roslaunch gscam v4l.laucnh gives following output with fatal errors in kinetic/ubuntu 16.04:

SUMMARY

PARAMETERS

• /rosdistro: kinetic
• /rosversion: 1.12.7
• /v4l/gscam_driver_v4l/camera_info_url: package://gscam/e...
• /v4l/gscam_driver_v4l/camera_name: default
• /v4l/gscam_driver_v4l/frame_id: /v4l_frame
• /v4l/gscam_driver_v4l/gscam_config: v4l2src device=/d...
• /v4l/gscam_driver_v4l/sync_sink: True

NODES
/v4l/
gscam_driver_v4l (gscam/gscam)

ROS_MASTER_URI=http://localhost:11311

core service [/rosout] found
process[v4l/gscam_driver_v4l-1]: started with pid [10328]
[ INFO] [1513049835.971253216]: Using gstreamer config from rosparam: "v4l2src device=/dev/video0 ! video/x-raw-rgb,framerate=30/1 ! ffmpegcolorspace"
[ INFO] [1513049835.974249603]: camera calibration URL: package://gscam/examples/uncalibrated_parameters.ini
[ INFO] [1513049835.974403749]: Loaded camera calibration from package://gscam/examples/uncalibrated_parameters.ini
[FATAL] [1513049835.975789661]: no element "v4l2src"
[FATAL] [1513049835.975809444]: Failed to initialize gscam stream!
[v4l/gscam_driver_v4l-1] process has finished cleanly
log file: /home/ubuntu/.ros/log/d5ded8ea-dee2-11e7-b44c-d46a6ad5baeb/v4l-gscam_driver_v4l-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done

[Alibinwahid]

installing plugins solved the error:
sudo apt-get install gstreamer0.10-plugins-good followed this