[AE/osxsink] - don't set the altered outputformat which might have wrong channel count #4899
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For planar devices we adapt the outputFormat from 1 channel to
std::min((size_t)format.m_channelLayout.Count(), streams.size());
here
https://github.com/xbmc/xbmc/blob/master/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp#L748
When setting the physical format afterwards here
https://github.com/xbmc/xbmc/blob/master/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp#L777
We get the error:
ERROR: CCoreAudioStream::SetPhysicalFormat: Unable to set physical format for stream 0x0061. Error = '!dat'
This PR ensures to set the unaltered format which was found during stream scoring and instead handling the number of output channels in a seperate variable.