• ccall_app_rc_tg_callback : BluetoothA2DPCommon
• ccall_audio_data_callback : BluetoothA2DPSink
• ccall_av_hdl_a2d_evt : BluetoothA2DPSink
• ccall_av_hdl_avrc_evt : BluetoothA2DPSink
• ccall_bt_app_task_handler : BluetoothA2DPCommon
• ccall_i2s_task_handler : BluetoothA2DPSink