Only MP3 audio playback in video files

iPhone 5s with iOS 8.1:
In MKV, MP4, ts, m2ts video files, only audio playback ob f MP3 (no AC-3, DTS).
Fast browsing of the SMB directories.
AirPlayer (only UPnP) or Infuse (UPnP and SMB) are better.

iOStom123 about OPlayer Lite - media player, v2.1.00