Linux Kernel

July 31, 2014

OPEN AT CISCO

Testing Video4Linux Applications and Drivers

3 min read

Introduction The video4linux subsystem of the kernel which deals with video capture, video output and hardware video codecs has a very large API with many ioctls, settings, options and capabilities. And most hardware will only use a fraction of that. This makes it hard to test whether your driver implements everything it should and it […]

March 27, 2014

OPEN AT CISCO

ELC: An Introduction to the Video4Linux Framework

1 min read

During this year’s Embedded Linux Conference in San Jose I will be presenting An Introduction to the Video4Linux Framework. As a long-term kernel contributor (since 2003), author of over 2000 kernel patches and co-maintainer of the video4linux kernel subsystem I have been working on improving that subsystem so it can handle the highly complex video […]

August 2, 2013

OPEN AT CISCO

Why I Chose the Open Source Model I did for OpenDaylight

4 min read

Now that OpenDaylight has arrived, it’s time to explain why I made the Open Source choices eventually embraced by its Founders and the community at large.  One doesn’t often see such leaders as Cisco, IBM, Intel, HP, Juniper, RedHat, VMWare, NEC, Microsoft and others agree, share and collaborate on such key technologies, let alone the latter engaging in a […]