[Mp4-tech] Number of channels in HE-AAC audio elementary stream

[Angshuman Chatterjee]

Hi,
I would like to know how to detect the number of channels if the ChannelConfig parameter is 0. The standard says that it would be done within the GASpecifificConfig routine. Inside it, if ChannelConfig parameter is 0, the program_channel_config routine is called. Inside that, the number of front, side, back channels etc are getting computed. Are we supposed to use this information to determine the number of channels? If so, exactly how?
Thanks in advance.
Regards,
Angshuman
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