[fritsch]

In fact, it fails to open 6 channel layout, which sucks.

2020-05-28 11:44:32.496 T:17655  NOTICE: Creating audio stream (codec id: 86019, channels: 6, sample rate: 48000, no pass-through)
2020-05-28 11:44:32.496 T:17655   DEBUG: CVideoPlayerAudio:: synctype set to 0: clock feedback
2020-05-28 11:44:32.515 T:17653   DEBUG: CDVDVideoCodecAndroidMediaCodec::AddData current state (2)
2020-05-28 11:44:32.519 T:17579    INFO: CActiveAESink::OpenSink - initialize sink
2020-05-28 11:44:32.520 T:17579   DEBUG: Draining Audio
2020-05-28 11:44:32.520 T:17579   DEBUG: CAESinkAUDIOTRACK:einitialize
2020-05-28 11:44:32.523 T:17579   DEBUG: Flushing might not be properly implemented, sleeping: 62 ms
2020-05-28 11:44:32.568 T:17559   DEBUG: Inhibiting OS screen saver
2020-05-28 11:44:32.585 T:17579   DEBUG: CAESinkAUDIOTRACK:einitialize
2020-05-28 11:44:32.585 T:17579   DEBUG: CActiveAESink::OpenSink - trying to open device AUDIOTRACK:AudioTrack
2020-05-28 11:44:32.585 T:17579   DEBUG: CAESinkAUDIOTRACK::Initialize requested: sampleRate 48000; format: AE_FMT_FLOATP; channels: 6
2020-05-28 11:44:32.585 T:17579   DEBUG: Updated SampleRate: 32000 Distance: 144000
2020-05-28 11:44:32.585 T:17579   DEBUG: Updated SampleRate: 44100 Distance: 35100
2020-05-28 11:44:32.585 T:17579   DEBUG: Updated SampleRate: 48000 Distance: 0
2020-05-28 11:44:32.585 T:17579  NOTICE: Trying to open: samplerate: 48000, channelMask: 252, encoding: 2
2020-05-28 11:44:32.591 T:17579   DEBUG: Minimum size we need for stream: 18480
2020-05-28 11:44:32.591 T:17579   DEBUG: Created Audiotrackbuffer with playing time of 64.166667 ms min buffer size: 36960 bytes
2020-05-28 11:44:32.604 T:17579   DEBUG: AESinkAUDIOTRACK - Retrying with a stereo layout
2020-05-28 11:44:32.604 T:17579   DEBUG: CActiveAESink::OpenSink - AUDIOTRACK Initialized:
2020-05-28 11:44:32.604 T:17579   DEBUG:   Output Device : android
2020-05-28 11:44:32.604 T:17579   DEBUG:   Sample Rate   : 48000
2020-05-28 11:44:32.604 T:17579   DEBUG:   Sample Format : AE_FMT_S16NE
2020-05-28 11:44:32.604 T:17579   DEBUG:   Channel Count : 6
2020-05-28 11:44:32.604 T:17579   DEBUG:   Channel Layout: FL, FR, FC, LFE, BL, BR
2020-05-28 11:44:32.604 T:17579   DEBUG:   Frames        : 1540
2020-05-28 11:44:32.604 T:17579   DEBUG:   Frame Size    : 12
2020-05-28 11:44:32.605 T:17653   DEBUG: CDVDVideoCodecAndroidMediaCodec:: width(3840), height(1608), stride(3840), slice-height(1608), color-format(17)
2020-05-28 11:44:32.605 T:17653   DEBUG: CDVDVideoCodecAndroidMediaCodec:: crop-left(0), crop-top(0), crop-right(3839), crop-bottom(1607)
2020-05-28 11:44:32.605 T:17653   DEBUG: CDVDVideoCodecAndroidMediaCodec:: Multi-Surface Rendering
2020-05-28 11:44:32.608 T:17578   DEBUG: CActiveAE::ClearDiscardedBuffers - buffer pool deleted
2020-05-28 11:44:32.608 T:17579   DEBUG: Previous line repeats 1 times.
2020-05-28 11:44:32.608 T:17579   ERROR: CActiveAESink::OutputSamples - sink returned error

How is your setup connected? And what does your AVR support?