vdr-convert

Added --podcast option: podcasts stored in subdirectories, by Title
Podcast audio codec config: Can use (HE)AAC, MP3 or Opus
Extensive embedding of metadata in output files (mainly for podcasts)
Added -g option for genre files to define mapping of VDR's G tag to text
See https://projects.vdr-developer.org/projects/vdr-convert/wiki/Podcast-mode

Significant H265 setting updates to reflect recent improvements
Slight H264 compression increase to reflect recent improvements
More extensive checking of ffmpeg build options (codec library checks)
Detect short initial recording files & delete (VPS aborted start)
Various other fixes and improvements, incl. for FTP/redo modes
Fixes for recent ffmpeg versions (3.3+)