* stream_out_description: helper module for RTSP vod
* stream_out_display: displays a stream output chain
* stream_out_dummy: dummy stream out chain module
* stream_out_duplicate: duplicates a stream output chain
* stream_out_es: stream out module outputing ES
* stream_out_gather: stream out module gathering inputs for seemless transitions
* stream_out_description: helper module for RTSP vod
* stream_out_display: displays a stream output chain
* stream_out_dummy: dummy stream out chain module
* stream_out_duplicate: duplicates a stream output chain
* stream_out_es: stream out module outputing ES
* stream_out_gather: stream out module gathering inputs for seemless transitions