From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <47E98D82.5050906@sssup.it> Date: Wed, 26 Mar 2008 00:40:50 +0100 From: Ludovico Cavedon MIME-Version: 1.0 To: bluez-users@lists.sourceforge.net Subject: [Bluez-users] Testing audio service with BT headphone Reply-To: BlueZ users List-Id: BlueZ users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Sender: bluez-users-bounces@lists.sourceforge.net Errors-To: bluez-users-bounces@lists.sourceforge.net Hi, here are the problem I am encountering with a BT headphone. In short: -btsco works greatly -audio service sometimes works, sometimes no audio is heard Details: -kernel 2.6.23.4 with patch http://launchpadlibrarian.net/12699239/always_use_sco.patch (to avoid "hci0 SCO packet for unknown connection handle") -force_sco has no effect -Ubuntu hardy amd64 -bluez 3.26 hci0: Type: USB BD Address: 00:1A:6B:BB:82:5D ACL MTU: 1017:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:908664 acl:178 sco:17658 events:240 errors:0 TX bytes:1614435 acl:155 sco:31574 commands:90 errors:0 Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'cavedon-pc' Class: 0x08010c Service Classes: Capturing Device Class: Computer, Laptop HCI Ver: 2.0 (0x3) HCI Rev: 0x2129 LMP Ver: 2.0 (0x3) LMP Subver: 0x41cf Manufacturer: Broadcom Corporation (15) === .asoundrc pcm.bluetooth { type bluetooth device 00:0D:44:2F:D2:F7 profile "voice" } pcm.plugbt { type plug slave.pcm "bluetooth" } === Connection of device: hcid[6594]: link_key_request (sba=00:1A:6B:BB:82:5D, dba=00:0D:44:2F:D2:F7) audio[6598]: Requesting authorization for device 00:0D:44:2F:D2:F7, UUID 00001112-0000-1000-8000-00805F9B34FB audio[6598]: State changed /org/bluez/audio/device1: HEADSET_STATE_DISCONNECTED -> HEADSET_STATE_CONNECT_IN_PROGRESS audio[6598]: State changed /org/bluez/audio/device1: HEADSET_STATE_CONNECT_IN_PROGRESS -> HEADSET_STATE_CONNECTED audio[6598]: Accepted headset connection from 00:0D:44:2F:D2:F7 for /org/bluez/audio/device1 hcid[6594]: link_key_notify (sba=00:1A:6B:BB:82:5D, dba=00:0D:44:2F:D2:F7) audio[6598]: Received AT+CKPD=200 === aplay -D plugbt /usr/share/sounds/startup.wav audio[6598]: Accepted new client connection on unix socket (fd=10) audio[6598]: Audio API: received BT_GETCAPABILITIES_REQ audio[6598]: Audio API: sending BT_GETCAPABILITIES_RSP audio[6598]: Audio API: received BT_SETCONFIGURATION_REQ audio[6598]: config sco - device = 00:0D:44:2F:D2:F7 access_mode = 2 audio[6598]: State changed /org/bluez/audio/device1: HEADSET_STATE_CONNECTED -> HEADSET_STATE_PLAY_IN_PROGRESS audio[6598]: SCO socket opened for headset /org/bluez/audio/device1 audio[6598]: SCO fd=11 audio[6598]: Audio API: sending BT_SETCONFIGURATION_RSP audio[6598]: State changed /org/bluez/audio/device1: HEADSET_STATE_PLAY_IN_PROGRESS -> HEADSET_STATE_PLAYING audio[6598]: Audio API: received BT_STREAMSTART_REQ audio[6598]: Audio API: sending BT_STREAMSTART_RSP audio[6598]: Audio API: sending BT_STREAMFD_IND audio[6598]: Received AT+VGS=13 ... HANGS HERE.... (CTRL-C) audio[6598]: Unix client disconnected (fd=10) audio[6598]: State changed /org/bluez/audio/device1: HEADSET_STATE_PLAYING -> HEADSET_STATE_DISCONNECTED sox sometimes works, sometimes make a "beep" noise (long beep, as long as the device is open) arecord -D bluetooth -f S16_LE | aplay -D bluetooth -f S16_LE usually works, sometimes "beeps" as sox What other information can be useful for debugging? One more question: why is the headphone disconnected when the device is closed? Would it not be better to just stop the audio flow and leave the headphone in the HEADSET_STATE_CONNECTED state? This would avoid de delay of reconnecting the device when the device gets opened. Thank you for your help, Regards, Ludovico Cavedon ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Bluez-users mailing list Bluez-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-users