And following is the output from HCIDUMP :
> Hi
>
> I am try to connect A2DP with Bluez
>
> When useing Aplay to try it , I have following problems :
>
> ~ # aplay -D bluetooth demo.wav
> ALSA lib pcm_bluetooth.c:1158:(bluetooth_cfg) Error 22 while configuring
> device
> aplay: main:510: audio open error: Invalid argument
>
> Can Someone point out what might be the reason ?
>
~ # aplay -D bluetooth demo.wav
< HCI Command: Create Connection (0x01|0x0005) plen 13
26 00 B0 72 02 00 18 CC 02 00 00 00 01
> HCI Event: Command Status (0x0f) plen 4
00 01 05 04
> HCI Event: Connect Complete (0x03) plen 11
00 2A 00 26 00 B0 72 02 00 01 00
< ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 1 scid 0x0040
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
2A 00
> HCI Event: Command Status (0x0f) plen 4
00 00 1B 04
> HCI Event: Max Slots Change (0x1b) plen 3
2A 00 05
> HCI Event: Command Status (0x0f) plen 4
00 01 00 00
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
2A 00 0F 00
> HCI Event: Command Complete (0x0e) plen 6
01 0D 08 00 2A 00
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
26 00 B0 72 02 00 02 00 00 00
> HCI Event: Command Status (0x0f) plen 4
00 01 19 04
> HCI Event: Read Remote Supported Features (0x0b) plen 11
00 2A 00 FF FF 05 38 18 18 00 00
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x0043 scid 0x0040 result 0 status 0
Connection successful
< ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Config req: dcid 0x0043 flags 0x00 clen 0
> HCI Event: Remote Name Req Complete (0x07) plen 255
00 26 00 B0 72 02 00 52 61 79 6D 6F 6E 64 2D 70 63 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0
< ACL data: handle 42 flags 0x02 dlen 18
L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 0 clen 4
Success
MTU 672
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
< ACL data: handle 42 flags 0x02 dlen 17
L2CAP(d): cid 0x0043 len 13 [psm 1]
SDP SS Req: tid 0x0 len 0x8
pat uuid-16 0x1203 (Audio)
max 64
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 14
L2CAP(d): cid 0x0040 len 10 [psm 1]
SDP SS Rsp: tid 0x0 len 0x5
count 0
cont 00
< ACL data: handle 42 flags 0x02 dlen 17
L2CAP(d): cid 0x0043 len 13 [psm 1]
SDP SS Req: tid 0x1 len 0x8
pat uuid-16 0x110d (AdvAudio)
max 64
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 14
L2CAP(d): cid 0x0040 len 10 [psm 1]
SDP SS Rsp: tid 0x1 len 0x5
count 0
cont 00
< ACL data: handle 42 flags 0x02 dlen 17
L2CAP(d): cid 0x0043 len 13 [psm 1]
SDP SS Req: tid 0x2 len 0x8
pat uuid-16 0x110e (AVRemote)
max 64
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 1]
SDP SS Rsp: tid 0x2 len 0x9
count 1
handle 0x1000d
cont 00
< ACL data: handle 42 flags 0x02 dlen 23
L2CAP(d): cid 0x0043 len 19 [psm 1]
SDP SA Req: tid 0x3 len 0xe
handle 0x1000d
max 65535
aid(s) 0x0000 - 0xffff
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
> ACL data: handle 42 flags 0x02 dlen 94
L2CAP(d): cid 0x0040 len 90 [psm 1]
SDP SA Rsp: tid 0x3 len 0x55
count 82
aid 0x0000 (SrvRecHndl)
uint 0x1000d
aid 0x0001 (SrvClassIDList)
< uuid-16 0x110c (AVRemTarget) >
aid 0x0004 (ProtocolDescList)
< < uuid-16 0x0100 (L2CAP) uint 0x17 > <
uuid-16 0x0017 (AVCTP) uint 0x100 > >
aid 0x0005 (BrwGrpList)
< uuid-16 0x1002 (PubBrwsGrp) >
aid 0x0006 (LangBaseAttrIDList)
< uint 0x656e uint 0x6a uint 0x100 >
aid 0x0008 (SrvAvail)
uint 0xff
aid 0x0009 (BTProfileDescList)
< < uuid-16 0x110e (AVRemote) uint 0x100 uint 0xf00 > >
cont 00
< ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Disconn req: dcid 0x0043 scid 0x0040
ALSA lib pcm_bluetooth.c:1158:(bluetooth_cfg) Error 22 while configuring
device
aplay: main:510: audio open error: Invalid argument
> HCI Event: Number of Completed Packets (0x13) plen 5
01 2A 00 01 00
~ #
~ # > ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x0043 scid 0x0040
< HCI Command: Disconnect (0x01|0x0006) plen 3
2A 00 13
> HCI Event: Command Status (0x0f) plen 4
00 01 06 04
> HCI Event: Disconn Complete (0x05) plen 4
00 2A 00 16
Raymond
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