Looks line an AAC buffering issue:
Code
2020-11-23 19:58:21.796 T:2256528240 NOTICE: Finding audio codec for: 86018
2020-11-23 19:58:21.799 T:2256528240 NOTICE: CDVDAudioCodecFFmpeg::Open() Successful opened audio decoder aac
2020-11-23 19:58:21.799 T:2256528240 NOTICE: Creating audio thread
2020-11-23 19:58:21.799 T:2148066160 NOTICE: running thread: CVideoPlayerAudio::Process()
2020-11-23 19:58:21.799 T:2256528240 NOTICE: Opening stream: 6 source: 256
2020-11-23 19:58:21.819 T:2148066160 NOTICE: Creating audio stream (codec id: 86018, channels: 2, sample rate: 44100, no pass-through)
2020-11-23 19:58:21.953 T:2117079920 WARNING: CRenderManager::WaitForBuffer - timeout waiting for buffer
2020-11-23 20:09:36.192 T:2117079920 WARNING: Previous line repeats 3 times.
Option a) Activate pass-through at the audio settings.
Option b) Use advancedsettings.xml (chapter 2.9.5: cache) to edit buffering.