id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
821	--enable-x11grab doesn't work properly	burek		"I've tried configuring ffmpeg with --enable-x11grab and the configure passed without any errors, but x11 input wasn't enabled (I still had the message ""Unknown input format: 'x11grab'"" after the building process and even ./configure --enable-x11grab .. | grep x11_grab_device didn't produce any output)

Recommendation is that configure should check if needed libraries are installed for x11 input device to be properly built and if they are not installed, to break out of the configure process with a descriptive error message.

I've solved my problem reading this article: http://www.jedi.be/blog/2010/08/30/capturing-the-screen-of-your-virtual-machines-using-x-vnc-rdp-or-native/
which basically says that I lacked some libraries (libx11-dev, libxfixes-dev and libxext-dev), and after installing those, I've had x11_grab_device in the list of input devices."	defect	closed	normal	build system	git-master	fixed					0	1