From: "Pal Z. Illes" <illespal@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: a2dp with mouse input device - skipping,pitch change in stream
Date: Tue, 16 Feb 2010 17:07:54 +0100 [thread overview]
Message-ID: <889018151002160807g779e128cnb6bd93eee0108aed@mail.gmail.com> (raw)
Hello,
I wanted to ask if you are aware of the following issue:
Using a2dp and BT mouse together with bluez it very frequently results
in pitch changes and skipping in the audio stream.
I am using 2 notebooks with my Sony dr-bt21g stereo headset and a
gigabyte BT mouse. One notebook is with 2.0 and the other with 2.1
profile. (The thing is not reproducible under Windows.) A bunch of
ubuntu users opened a bug on the launchpad (
http://bugs.launchpad.net/ubuntu/+source/bluez/+bug/424215 )
I'm using arch linux amd64. kernel 2.6.32 + bluez-git. Tried 4.60 too.
Tried with simple ALSA bluetooth, and with pulseaudio too. I have
hcidump and am running 'bluetoothd -dn'. Couldn't spot any special
hints in the dump or logs. I can possibly try kernel 2.6.33-rc* too if
there's something related (i have checked changelog of the kernel,
couldnt spot anything related, but you will know it better).
If this is new to you, or even old, anyway how can I help you to
discover the cause of it?
Or is there a configuration option I'm missing here? (I have tried
hciconfig parameters lm,lp, different settings, modifying mtu size and
whatever i could, no avail.)
Regards,
Pal Zoltan Illes
-----
The 2.0 device:
hciconfig -a
hci0: Type: BR/EDR Bus: USB
BD Address: 00:1D:92:1E:13:01 ACL MTU: 310:10 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:3293882 acl:115129 sco:0 events:188738 errors:0
TX bytes:56340728 acl:196228 sco:0 commands:352 errors:8
Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'CSR - bc4'
Class: 0x1a010c
Service Classes: Networking, Capturing, Object Transfer
Device Class: Computer, Laptop
HCI Ver: 2.0 (0x3) HCI Rev: 0xc5c
LMP Ver: 2.0 (0x3) LMP Subver: 0xc5c
Manufacturer: Cambridge Silicon Radio (10)
(link policies already tried: with or without RSWITCH, lm
master,accept / slave / etc etc...)
reply other threads:[~2010-02-16 16:07 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=889018151002160807g779e128cnb6bd93eee0108aed@mail.gmail.com \
--to=illespal@gmail.com \
--cc=linux-bluetooth@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).