Support more pixel formats
Update docstrings
Create function to get current format
Return pixel format information
Working toward huffman table insert code in c
Huffman table insert now works
Add device manager object
Construct a video device
Move to use C++
Create buffers
Start and stop functions but it segfaults
Start and stop function works
Fix segfault in stop
Stopping and closing and restarting works
Tidy code
Tidy code
Properly do deinit
Start on reading frame in worker thread
Change license to GPL
Problems reading frame