A media packaging and development framework for VOD and Live DASH and HLS applications, supporting Common Encryption for Widevine and other DRM Systems.
Remove --audio and --video command line options and replaced with
--stream. User can use --stream=video (default) to pull the first video
track from the source or --stream=audio to pull the first audio track.
The user may also use --stream={stream_id}, 0-based stream id to pull
the stream, e.g. --stream=0 for the first stream.
Change-Id: Ie1f93c2cc80a160a496b1d43ae3a658263d30cfc