Cleaning up the Makefile
Added prototypes for the progress bar.  fixed an ambiguous if else.
added type for src_frame_rate.
defined ci and frame_data_size.
removed utility function parse_interlacing.
Clean up makefile.
defined frame_rate
defined src_frame_rate.
Freetype fix
defined yuv_interlacing.
removed yuvtemporal.  Why are there so many issues with this code?
defined interlacing.