Get the fallback channel-mask for the given number of channels.
This function returns a reasonable fallback channel-mask and should be called as a last resort when the specific channel map is unknown.
the number of channels
a fallback channel-mask for channels or 0 when there is no mask and mono.
Get the fallback channel-mask for the given number of channels.
This function returns a reasonable fallback channel-mask and should be called as a last resort when the specific channel map is unknown.