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From: Dietmar Segbert <trebges@web.de>
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Subject: [Bluez-users] a2play question
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Date: 08 Jan 2006 11:13:00 +0100

Hello,

since a week i am owner of the following bluetooth-devices:

ovislink bt-201usb (dongle)
ovislink stereo receiver bt-120ar
ovislink transmitter bt-120aj
I use slackware linux with a 2.4.26 kernel. All the modules for the
bluetooth where compiled.


I have installed the latest bluez-libs and -utils. Also is installed the
latest alsa-libs.
I start the bluetooth-system by a sehll-script:

#!/bin/bash
modprobe hci_usb
hcid
modprobe l2cap
modprobe bnep
modprobe sco
sdpd
hciconfig -a

The commands hcitool dev and hcitool scan detectt the dongle and the
stereo-receiver.

The output of

hcitools info 00:4F:62:05:53:8A

looks like this:

Requesting information ...	BD Address:  00:4F:62:05:53:8A	Device Name:
Stereo Receiver	LMP Version: 1.2 (0x2) LMP Subversion: 0x3d	Manufacturer:
Zeevo, Inc. (18)	Features: 0xff 0xff 0x05 0x78 0x18 0x18 0x00 0x80		<3- 
slot packets> <5-slot packets> <encryption> <slot offset> 		<timing
accuracy> <role switch> <hold mode> <sniff mode> 		<park state> <RSSI>
<channel quality> <SCO link> <HV2 packets> 		<HV3 packets> <u-law log> <A- 
law log> <CVSD> <power control> 		<enhanced iscan> <interlaced iscan>
<interlaced pscan>
		<inquiry with RSSI> <AFH cap. slave> <AFH class. slave>
		<AFH cap. master> <AFH class. master> <extended features>


The command "sdptool browse" produces the following output:

Inquiring ...Browsing 00:4F:62:05:53:8A ...Service Name: Audio SinkService
RecHandle: 0x110bService Class ID List:  "Audio Sink" (0x110b)Protocol
Descriptor List:  "L2CAP" (0x0100)    PSM: 25  "AVDTP" (0x0019)    uint16:
0x100Language Base Attr List:  code_ISO639: 0x656e  encoding:    0x6a   
base_offset: 0x100Profile Descriptor List:  "Advanced Audio" (0x110d)     
Version: 0x0100Service Name: HeadsetService RecHandle: 0x1108Service Class
ID List:  "Headset" (0x1108)  "Generic Audio" (0x1203)Protocol Descriptor
List:  "L2CAP" (0x0100)  "RFCOMM" (0x0003)    Channel: 8Language Base Attr
List:  code_ISO639: 0x656e  encoding:    0x6a  base_offset: 0x100Profile
Descriptor List:  "Headset" (0x1108)    Version: 0x0100Service Name:
HandsfreeService RecHandle: 0x111eService Class ID List:  "Handsfree"
(0x111e)  "Generic Audio" (0x1203)Protocol Descriptor List:  "L2CAP"
(0x0100)  "RFCOMM" (0x0003)    Channel: 7Language Base Attr List:   
code_ISO639: 0x656e  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Handsfree" (0x111e)
    Version: 0x0101


I have downloaded the btsco-0.4 package. The progs a2play, sbcenc rcfplay
compile correctly, also btsco and btsco2.
If i do a make in the /kernel directory, it appears a errormessage /lib/ 
modules/2.4.26/source cannot find such file. I can not find a kernelmodule
btsco.

The command

mpg123 --au - musik.mp3 | a2play 00:4F:62:05:53:8A -

produces no sound output only  error message.

The command

mpg123 --au - musik.mp3 | sbcenc - | a2play 00:4F:62:05:53:8A -

produces sound, but it plays to fast.

I will be happy, if you can help me.
another question ist: Can i send output of mplayer to the stereo-receiver?

Best regards.

Dietmar


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