-- v2: winegstreamer: Also return output with 2 channels for multichannel inputs from AAC decoder. winegstreamer: Validate maximum channel count in _SetInputType in AAC decoder. winegstreamer: Correct output available types attrs in AAC decoder for channel count > 2. winegstreamer: Handle missing or zero channel count in _GetOutputAvailableType in AAC decoder. mf/tests: Add tests for AAC decoder with different input number of channels.