So far I have had good luck with it, except for audio only streams. I have a live HLS stream using the transcoder. The video streams work fine, but for some reason it seems the manifest is malformed with the location to the audio only stream.
Here's how I am generating the audio only stream MediaListRendition:
MediaListRendition audioRendition = new MediaListRendition();
When I generate the SMIL file using mediaList.toSMILString(), the audio portion looks fine: