Contributed by O2C14, curated by Ai-Thinker
Bouffalo Lab has not released the A2DP/AVDTP source code. So, through reverse engineering and referring to the code Bouffalo previously submitted, I wrote out the A2DP/AVDTP source code.
The figure below shows AAC being tested. 
Attachments: 
btprofile.zip(103.53 KB, downloads: 13)
Extract the archive and replace bouffalo_sdk\components\wireless\bluetooth\btprofile.
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