A2DP Codec in Marshmallow


I searched a lot now - but I could not find a correct answer.

Does CM13 support the MP3 Codec for A2DP? I read that up until I think CM11 you could enable the MP3 codec in a config file in /etc/bluetooth/.
But since the BT Stack got changed (I think in KitKat?) this config file does not exist anymore and I could not find a way to configure anything.

I even looked at the code and as far as I could understand, there is a default codec, which is always used (probably SBC).

I increased the verbosity for bluetooth and looked at the logs and they let me think that only the SBC Codec is used:

01-05 16:50:01.253 3308 3364 W bt_btif : bta_av_getcap_results max bitpool length received for SBC is out of range.Clamping the codec bitpool configuration from 250 to 53

How can I change the codec to mp3 (or aac) and what is the best method to really know which codec is used on CM12/CM13?

Thanks for your answers in advance.

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