I have a WeTek Play 2, connected via HDMI to a TV and the optical out is connected to a Pioneer receiver for the audio signals.
Then used a LE9 fresh install.
Kodi settings:
- audio device AML-M8AUDIO HDMI
- AC3 and DTS passthrough enabled
- other settings -> Screenhots
All videos with AC3 and DTS have no problem, because of the direct passthrough.
Other videos with an audio sample rate of 44.1 kHz also seem to work, tested 2 files with it.
For all other videos where the audio stream has a sample rate of 48 kHz I get no audio, tested videos with audio codecs AAC or mp3.
I saw the following difference for the same video file between 8.2.5 und 9.0.0 in the debug log. I don't know if this is an indication.
8.2.5 - working:
20:10:50.801 T:547734155488 DEBUG: Output Device : AML-M8AUDIO
20:10:50.801 T:547734155488 DEBUG: Sample Rate : 48000
20:10:50.801 T:547734155488 DEBUG: Sample Format : AE_FMT_S32NE
20:10:50.801 T:547734155488 DEBUG: Channel Count : 2
20:10:50.801 T:547734155488 DEBUG: Channel Layout: FL,FR
20:10:50.801 T:547734155488 DEBUG: Frames : 256
20:10:50.801 T:547734155488 DEBUG: Frame Size : 8
9.0.0 fresh installation - not working
19:02:21.905 T:4058620784 DEBUG: Output Device : AML-M8AUDIO
19:02:21.905 T:4058620784 DEBUG: Sample Rate : 48000
19:02:21.905 T:4058620784 DEBUG: Sample Format : AE_FMT_S16NE
19:02:21.905 T:4058620784 DEBUG: Channel Count : 2
19:02:21.906 T:4058620784 DEBUG: Channel Layout: FL, FR
19:02:21.906 T:4058620784 DEBUG: Frames : 256
19:02:21.906 T:4058620784 DEBUG: Frame Size : 4
debug_logs.zip - filenames masked