Take the 2-minute tour ×  I found a rvideo library but manual
very small and I'm learning ruby one day. I need play a video in
window. How have me done it? There is possibility cause the
video player from a ruby code? or have any other way done my
task?  share|improve this question Are you trying to play a
video in a web browser,OS defualt video player, or within your
own ruby GUI app –  Egryan Jan 9 '13 at 15:08 Target OS
android(jruby, rubuto). Now I'm doing in a ruby in a debian.
system( "dragon /home/knowill/work/r/input.mp4" ) trying gem
install hornetseye-frame but get error ERROR: Failed to build
gem native extension. –  volkov Jan 9 '13 at 15:18 add comment
1 Answer  up vote 0 down vote accepted  Ok, first thing I would
do is install RVM and follow the instructions which should tell
you what other packages you need to install, the error you
received is cause you don't have the build-essential installed.
per rvm you need to install  rvm requirements ...    After RVM
is installed with the packages you