lavd/avfoundation: Change default device from muxed type to video type.
lavd/avfoundation: Split adding a device and getting the device configuration into separate functions.
lavd/avfoundation: Using the actual stream index instead of hardcoded value.
lavd/avfoundation: Simplify debug message generation.
lavd/avfoundation: Add basic PCM audio support.
fixed bogues <at> things
Merge branch 'master' of github.com:realrunner/FFmpeg