The vendor was right: you’re using unreasonably short buffers for a non-interactive use case (i.e. video playback). With such short buffers (16.6ms) and a user

The vendor was right: you’re using unreasonably short buffers for a non-interactive use case (i.e. video playback). With such short buffers (16.6ms) and a user-space timer (i.e. basically usleep) driving the whole thing I’m actually surprised that this didn’t broke earlier...