Returns the profile of the given AAC stream as a string. The profile is normally determined using the AudioObjectType field which is in the first 5 bits of audio_config
a pointer to the AudioSpecificConfig as specified in the Elementary Stream Descriptor (esds) in ISO/IEC 14496-1.
The profile as a const string and null if the profile could not be determined.
Returns the profile of the given AAC stream as a string. The profile is normally determined using the AudioObjectType field which is in the first 5 bits of audio_config