[media-workshop] Topic: create virtual complex video driver

With vivid we have a good test driver for all the common V4L2 APIs, but we are missing a test driver for complex pipelines, similar to say the omap3 driver.

During the workshop I want to discuss which features should be supported by such a driver.

I think such a driver will help testing applications without requiring access to hard-to-find hardware, and it can function as a base for testing new features/APIs.

Regards,

Hans