Nplayer — External Codec

Look for a section labeled Codec , Playback , or Video . (The exact location varies slightly between the iOS and Android versions).

Set your global preference to External . When a file fails, tap the "HW" button on the video overlay to toggle to "SW" manually. For DTS audio on the free version, accept that you must use the internal codec or buy the full app. nplayer external codec

However, even a powerhouse like nPlayer has limits. Despite its impressive built-in library, users frequently encounter the dreaded "Audio not supported" error or a black screen with no video. This is where the concept of becomes not just useful, but essential. Look for a section labeled Codec , Playback , or Video

Launch nPlayer. Tap the Settings icon (usually a gear in the top right or bottom bar). When a file fails, tap the "HW" button