Hi, On Wed, Feb 11, 2015 at 10:37 AM, Zheng Tao-B46827 <b46827@xxxxxxxxxxxxx> wrote: > Hi, Lukasz > Thanks for your reply. Following you steps, the previous problem has been > resolved, but it seems that the connection is not stable. When I execute av > connect, I can hear "Connected" from my Bluetooth headset, but it will be > disconnected immediately which i can hear "disconnected". And it will > prompt "I/bluetoothd( 1061): bluetoothd[1062]: Unable to find matching > endpoint". Is this a bug? can you give some advise? > >> av connect 24:fd:52:b6:a0:99 > connection_state: connection_state=BTAV_CONNECTION_STATE_CONNECTING > remote_bd_addr=24:fd:52:b6:a0:99 > if_av->connect: BT_STATUS_SUCCESS >> D/BlueZ ( 1060): >> external/bluetooth/bluez/android/hal-a2dp.c:a2dp_connect() > acl_state_changed_cb: status=BT_STATUS_SUCCESS > remote_bd_addr=24:fd:52:b6:a0:99 state=BT_ACL_STATE_CONNECTED >> D/BlueZ ( 1060): >> external/bluetooth/bluez/android/hal-bluetooth.c:handle_acl_state_changed() >> state 0 > connection_state: connection_state=BTAV_CONNECTION_STATE_DISCONNECTED > remote_bd_addr=24:fd:52:b6:a0:99 >> I/bluetoothd( 1061): bluetoothd[1062]: Unable to find matching endpoint Here is the clue. Can you provide btmon logs? > acl_state_changed_cb: status=BT_STATUS_SUCCESS > remote_bd_addr=24:fd:52:b6:a0:99 state=BT_ACL_STATE_DISCONNECTED >> D/BlueZ ( 1060): >> external/bluetooth/bluez/android/hal-bluetooth.c:handle_acl_state_changed() >> state 1 > > \Łukasz > > On 2/11/2015 4:16 PM, Lukasz Rymanowski wrote: >> >> Hi Tony, >> >> On Tue, Feb 10, 2015 at 2:51 AM, Zheng Tao-B46827 <b46827@xxxxxxxxxxxxx> >> wrote: >>> >>> Hi, Peers >>> >>> Thanks for your hard work that let us can experience BlueZ for Android. >>> But >>> I am faced with a audio/a2dp problems that stick me many weeks. >>> >>> I’m try to port Bluez to kitkat 4.4.3, and many common profiles, such as >>> HIDP/FTP/GATT can function successfully. But the A2DP profile failed. >>> >>> So, I try to debug it using haltest tool as follows(with USB Bluetooth >>> Dongle): >>> >>> 1.bluetooth init >>> >>> 2.bluetooth enable >>> >>> 3.bluetooth get_profile_interface a2dp >>> >>> 4.bluetooth start_discovery >>> >>> 5.bluetooth create_bond xxxxxxxx >>> >> Here you should setup A2DP using "av connect <bdaddr>." (don't forget >> to do av init before.) Once you are connected you can open stream. >> >> >>> 6.audio init >>> >>> 7.audio open_output_stream >>> >>> Then it will prompts: >>> >>> D/BlueZ ( 1106): >>> external/bluetooth/bluez/android/hal-audio.c:audio_open_output_stream() >>> >>> D/BlueZ ( 1106): >>> external/bluetooth/bluez/android/hal-audio.c:ipc_open_stream_cmd() >>> >>> E/BlueZ ( 1106): audio: Invalid cmd socket passed to audio_ipc_cmd >>> >>> E/BlueZ ( 1106): audio: cannot open output stream >>> >>> when I debug it , I found that >>> >>> BlueZ ( 1106): >>> external/bluetooth/bluez/android/hal-audio.c:ipc_handler() >>> Waiting for connection ... >>> >>> And it seems that there is no audio socket to connect it. >>> >>> I’m not familiar with Bluez stack details, can you give some advice? What >>> should I do to enable audio/a2dp functionality and execute audio play >>> command? Thanks. >> >> >> \Lukasz >> >>> ---------------------------------------------- >>> >>> *Best Regards!* >>> >>> Tony Zheng >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-bluetooth" >>> in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html