* [Bluez-devel] Some tests with the userland ALSA plugin for A2DP: problem with changing tracks
@ 2006-08-30 9:07 Rui Pedro Lopes
2006-08-30 9:33 ` Frédéric DALLEAU
0 siblings, 1 reply; 3+ messages in thread
From: Rui Pedro Lopes @ 2006-08-30 9:07 UTC (permalink / raw)
To: bluez-devel
[-- Attachment #1.1.1: Type: text/plain, Size: 1341 bytes --]
Hi,
I've been experimenting with the user land ALSA plugin for A2DP from
bluetooth-alsa project on Sourceforge.
It works fine (tried it with xmms and rhythmbox through gstreamer-alsa)
but there is a problem when changing tracks. When a song ends and xmms
jumps to the next track on the playlist, the sound no longer arrives the
headphones. If I press Stop and the Play, it starts playing again.
I send in attach the log of the debug messages for this behavior
(current.log).
I then tried commenting the line for registering the close action like this:
static snd_pcm_ioplug_callback_t a2dp_callback = {
.start = a2dp_start,
.stop = a2dp_stop,
.pointer = a2dp_pointer,
.transfer = a2dp_transfer2,
//.close = a2dp_close,
.hw_params = a2dp_params,
.prepare = a2dp_prepare,
.drain = a2dp_drain,
.poll_descriptors_count = a2dp_descriptors_count,
.poll_descriptors = a2dp_descriptors,
.poll_revents = a2dp_poll,
};
It no longer fails when changing tracks. Apparently, it works
flawlessly. I also send the log for debug messages in attach (no_close.log).
Cheers,
/rp
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1.1.2: current.log --]
[-- Type: text/x-log; name="current.log", Size: 5604 bytes --]
==== Starting xmms
Message: device: pcm.headphone
==== Pressing play
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_alloc: init
DEBUG: a2dp_connect: a2dp 0x825e1c8 (sk=0, control_sk=0)
DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
DEBUG: detect_a2dp: Found A2DP Sink
DEBUG: connect_stream: Found A2DP Sink at the destination
DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
DEBUG: connect_stream: Sent the Stream End Point Discovery Command
DEBUG: connect_stream: Got a Stream End Point Discovery Response
DEBUG: connect_stream: received 1 capabilities
DEBUG: process_seid: SEID = 1
DEBUG: process_seid: Requested Capabilities for SEID = 1
DEBUG: process_seid: Got capabilities response
DEBUG: process_seid: Sent set configurations command
DEBUG: process_seid: Set configurations command accepted
DEBUG: process_seid: Sent open stream command
DEBUG: process_seid: Got open stream confirm
DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
DEBUG: connect_stream: Sent stream start
DEBUG: connect_stream: Got start stream confirm
DEBUG: a2dp_constraint: TEST a2dp 0x825e1c8
DEBUG: a2dp_params: a2dp 0x825e1c8
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x825e1c8
Listen thread running
Awaiting command
SBC Bandwidth = 27 kbps [27945 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
Awaiting command
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
Awaiting command
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
==== Pressing Stop
DEBUG: a2dp_stop: a2dp 0x825e1c8
DEBUG: a2dp_stop: Listen thread terminating
Thread in signal handler 14
Error while receiving -1 (errno=4:Interrupted system call)
listen_thread: ending perfeclty
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x825e1c8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_close: a2dp Destroying 0x825e1c8
DEBUG: a2dp_close: OK
==== Pressing Play
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_alloc: init
DEBUG: a2dp_connect: a2dp 0x823ff68 (sk=0, control_sk=0)
DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
DEBUG: detect_a2dp: Found A2DP Sink
DEBUG: connect_stream: Found A2DP Sink at the destination
DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
DEBUG: connect_stream: Sent the Stream End Point Discovery Command
DEBUG: connect_stream: Got a Stream End Point Discovery Response
DEBUG: connect_stream: received 1 capabilities
DEBUG: process_seid: SEID = 1
DEBUG: process_seid: Requested Capabilities for SEID = 1
DEBUG: process_seid: Got capabilities response
DEBUG: process_seid: Sent set configurations command
DEBUG: process_seid: Set configurations command accepted
DEBUG: process_seid: Sent open stream command
DEBUG: process_seid: Got open stream confirm
DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
DEBUG: connect_stream: Sent stream start
DEBUG: connect_stream: Got start stream confirm
DEBUG: a2dp_constraint: TEST a2dp 0x823ff68
DEBUG: a2dp_params: a2dp 0x823ff68
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x823ff68
Listen thread running
Awaiting command
SBC Bandwidth = 19 kbps [19872 bps]
SBC Bandwidth = 27 kbps [27945 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
==== Pressing Next Track
DEBUG: a2dp_stop: a2dp 0x823ff68
DEBUG: a2dp_stop: Listen thread terminating
Thread in signal handler 14
Error while receiving -1 (errno=4:Interrupted system call)
listen_thread: ending perfeclty
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x823ff68
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_close: a2dp Destroying 0x823ff68
DEBUG: a2dp_close: OK
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_constraint: TEST a2dp 0x823ff68
DEBUG: a2dp_params: a2dp 0x823ff68
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x823ff68
SBC Bandwidth = 23 kbps [24219 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
------ no sound on the headphones ------
==== Terminating xmms
DEBUG: a2dp_stop: a2dp 0x823ff68
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x823ff68
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_close: a2dp Destroying 0x823ff68
DEBUG: a2dp_close: OK
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1.1.3: no_close.log --]
[-- Type: text/x-log; name="no_close.log", Size: 4144 bytes --]
==== Starting xmms
Message: device: pcm.headphone
==== Pressing Play
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_alloc: init
DEBUG: a2dp_connect: a2dp 0x824ffc8 (sk=0, control_sk=0)
DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
DEBUG: detect_a2dp: Found A2DP Sink
DEBUG: connect_stream: Found A2DP Sink at the destination
DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
DEBUG: connect_stream: Sent the Stream End Point Discovery Command
DEBUG: connect_stream: Got a Stream End Point Discovery Response
DEBUG: connect_stream: received 1 capabilities
DEBUG: process_seid: SEID = 1
DEBUG: process_seid: Requested Capabilities for SEID = 1
DEBUG: process_seid: Got capabilities response
DEBUG: process_seid: Sent set configurations command
DEBUG: process_seid: Set configurations command accepted
DEBUG: process_seid: Sent open stream command
DEBUG: process_seid: Got open stream confirm
DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
DEBUG: connect_stream: Sent stream start
DEBUG: connect_stream: Got start stream confirm
DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
DEBUG: a2dp_params: a2dp 0x824ffc8
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x824ffc8
Listen thread running
Awaiting command
SBC Bandwidth = 27 kbps [27945 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
Awaiting command
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
==== Pressing Stop
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
Thread in signal handler 14
Error while receiving -1 (errno=4:Interrupted system call)
listen_thread: ending perfeclty
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
==== Pressing Play
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
DEBUG: a2dp_params: a2dp 0x824ffc8
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x824ffc8
SBC Bandwidth = 20 kbps [21114 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
==== Pressing Next Track
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
DEBUG: a2dp_params: a2dp 0x824ffc8
DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buffer_size 4096
DEBUG: a2dp_prepare: a2dp 0x824ffc8
SBC Bandwidth = 24 kbps [25461 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
SBC Bandwidth = 26 kbps [26703 bps]
SBC Bandwidth = 26 kbps [27324 bps]
------ There is sound, since the connection is not closed ------
==== Terminating xmms
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
DEBUG: a2dp_stop: a2dp 0x824ffc8
DEBUG: a2dp_stop: Listen thread terminating
DEBUG: a2dp_stop: Listen thread terminated
DEBUG: a2dp_stop: OK
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Bluez-devel] Some tests with the userland ALSA plugin for A2DP: problem with changing tracks
2006-08-30 9:07 [Bluez-devel] Some tests with the userland ALSA plugin for A2DP: problem with changing tracks Rui Pedro Lopes
@ 2006-08-30 9:33 ` Frédéric DALLEAU
2006-08-30 13:56 ` Rui Pedro Lopes
0 siblings, 1 reply; 3+ messages in thread
From: Frédéric DALLEAU @ 2006-08-30 9:33 UTC (permalink / raw)
To: BlueZ development
Hi,
There exists another alsa driver for a2dp. It's based upon the previous =
but uses a daemon instead of being standalone. It really miss =
documentation, but you can have a look at :
http://sourceforge.net/mailarchive/forum.php?thread_id=3D20199009&forum_id=
=3D1881
You'll need the latest cvs.
If your headset support AVRCP (next/prev buttons) you may also use it, =
see somewhere in this thread :
http://sourceforge.net/mailarchive/forum.php?thread_id=3D29326874&forum_id=
=3D1881
Let us know if it works!
Fr=E9d=E9ric
Rui Pedro Lopes a =E9crit :
> Hi,
>
> I've been experimenting with the user land ALSA plugin for A2DP from
> bluetooth-alsa project on Sourceforge.
>
> It works fine (tried it with xmms and rhythmbox through gstreamer-alsa)
> but there is a problem when changing tracks. When a song ends and xmms
> jumps to the next track on the playlist, the sound no longer arrives the
> headphones. If I press Stop and the Play, it starts playing again.
> I send in attach the log of the debug messages for this behavior
> (current.log).
>
>
> I then tried commenting the line for registering the close action like th=
is:
> static snd_pcm_ioplug_callback_t a2dp_callback =3D {
> .start =3D a2dp_start,
> .stop =3D a2dp_stop,
> .pointer =3D a2dp_pointer,
> .transfer =3D a2dp_transfer2,
> //.close =3D a2dp_close,
> .hw_params =3D a2dp_params,
> .prepare =3D a2dp_prepare,
> .drain =3D a2dp_drain,
> .poll_descriptors_count =3D a2dp_descriptors_count,
> .poll_descriptors =3D a2dp_descriptors,
> .poll_revents =3D a2dp_poll,
> };
>
>
> It no longer fails when changing tracks. Apparently, it works
> flawlessly. I also send the log for debug messages in attach (no_close.lo=
g).
>
>
> Cheers,
>
> /rp
> =
> ------------------------------------------------------------------------
>
> =3D=3D=3D=3D Starting xmms
> Message: device: pcm.headphone
>
> =3D=3D=3D=3D Pressing play
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_alloc: init
> DEBUG: a2dp_connect: a2dp 0x825e1c8 (sk=3D0, control_sk=3D0)
> DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
> DEBUG: detect_a2dp: Found A2DP Sink
> DEBUG: connect_stream: Found A2DP Sink at the destination
> DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
> DEBUG: connect_stream: Sent the Stream End Point Discovery Command
> DEBUG: connect_stream: Got a Stream End Point Discovery Response
> DEBUG: connect_stream: received 1 capabilities
> DEBUG: process_seid: SEID =3D 1
> DEBUG: process_seid: Requested Capabilities for SEID =3D 1
> DEBUG: process_seid: Got capabilities response
> DEBUG: process_seid: Sent set configurations command
> DEBUG: process_seid: Set configurations command accepted
> DEBUG: process_seid: Sent open stream command
> DEBUG: process_seid: Got open stream confirm
> DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
> DEBUG: connect_stream: Sent stream start
> DEBUG: connect_stream: Got start stream confirm
> DEBUG: a2dp_constraint: TEST a2dp 0x825e1c8
> DEBUG: a2dp_params: a2dp 0x825e1c8
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x825e1c8
> Listen thread running
> Awaiting command
> SBC Bandwidth =3D 27 kbps [27945 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> Awaiting command
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> Awaiting command
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
>
> =3D=3D=3D=3D Pressing Stop
> DEBUG: a2dp_stop: a2dp 0x825e1c8
> DEBUG: a2dp_stop: Listen thread terminating
> Thread in signal handler 14
> Error while receiving -1 (errno=3D4:Interrupted system call)
> listen_thread: ending perfeclty
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x825e1c8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_close: a2dp Destroying 0x825e1c8
> DEBUG: a2dp_close: OK
>
> =3D=3D=3D=3D Pressing Play
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_alloc: init
> DEBUG: a2dp_connect: a2dp 0x823ff68 (sk=3D0, control_sk=3D0)
> DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
> DEBUG: detect_a2dp: Found A2DP Sink
> DEBUG: connect_stream: Found A2DP Sink at the destination
> DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
> DEBUG: connect_stream: Sent the Stream End Point Discovery Command
> DEBUG: connect_stream: Got a Stream End Point Discovery Response
> DEBUG: connect_stream: received 1 capabilities
> DEBUG: process_seid: SEID =3D 1
> DEBUG: process_seid: Requested Capabilities for SEID =3D 1
> DEBUG: process_seid: Got capabilities response
> DEBUG: process_seid: Sent set configurations command
> DEBUG: process_seid: Set configurations command accepted
> DEBUG: process_seid: Sent open stream command
> DEBUG: process_seid: Got open stream confirm
> DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
> DEBUG: connect_stream: Sent stream start
> DEBUG: connect_stream: Got start stream confirm
> DEBUG: a2dp_constraint: TEST a2dp 0x823ff68
> DEBUG: a2dp_params: a2dp 0x823ff68
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x823ff68
> Listen thread running
> Awaiting command
> SBC Bandwidth =3D 19 kbps [19872 bps]
> SBC Bandwidth =3D 27 kbps [27945 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
>
> =3D=3D=3D=3D Pressing Next Track
> DEBUG: a2dp_stop: a2dp 0x823ff68
> DEBUG: a2dp_stop: Listen thread terminating
> Thread in signal handler 14
> Error while receiving -1 (errno=3D4:Interrupted system call)
> listen_thread: ending perfeclty
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x823ff68
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_close: a2dp Destroying 0x823ff68
> DEBUG: a2dp_close: OK
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_constraint: TEST a2dp 0x823ff68
> DEBUG: a2dp_params: a2dp 0x823ff68
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x823ff68
> SBC Bandwidth =3D 23 kbps [24219 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> ------ no sound on the headphones ------
>
> =3D=3D=3D=3D Terminating xmms
> DEBUG: a2dp_stop: a2dp 0x823ff68
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x823ff68
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_close: a2dp Destroying 0x823ff68
> DEBUG: a2dp_close: OK
> =
> ------------------------------------------------------------------------
>
> =3D=3D=3D=3D Starting xmms
> Message: device: pcm.headphone
>
> =3D=3D=3D=3D Pressing Play
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_alloc: init
> DEBUG: a2dp_connect: a2dp 0x824ffc8 (sk=3D0, control_sk=3D0)
> DEBUG: connect_stream: Using address: 01:B7:43:44:0D:00
> DEBUG: detect_a2dp: Found A2DP Sink
> DEBUG: connect_stream: Found A2DP Sink at the destination
> DEBUG: do_connect: Connected [imtu 672, omtu 672, flush_to 65535]
> DEBUG: connect_stream: Sent the Stream End Point Discovery Command
> DEBUG: connect_stream: Got a Stream End Point Discovery Response
> DEBUG: connect_stream: received 1 capabilities
> DEBUG: process_seid: SEID =3D 1
> DEBUG: process_seid: Requested Capabilities for SEID =3D 1
> DEBUG: process_seid: Got capabilities response
> DEBUG: process_seid: Sent set configurations command
> DEBUG: process_seid: Set configurations command accepted
> DEBUG: process_seid: Sent open stream command
> DEBUG: process_seid: Got open stream confirm
> DEBUG: do_connect: Connected [imtu 672, omtu 678, flush_to 65535]
> DEBUG: connect_stream: Sent stream start
> DEBUG: connect_stream: Got start stream confirm
> DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
> DEBUG: a2dp_params: a2dp 0x824ffc8
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x824ffc8
> Listen thread running
> Awaiting command
> SBC Bandwidth =3D 27 kbps [27945 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> Awaiting command
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
>
> =3D=3D=3D=3D Pressing Stop
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> Thread in signal handler 14
> Error while receiving -1 (errno=3D4:Interrupted system call)
> listen_thread: ending perfeclty
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
>
> =3D=3D=3D=3D Pressing Play
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
> DEBUG: a2dp_params: a2dp 0x824ffc8
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x824ffc8
> SBC Bandwidth =3D 20 kbps [21114 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
>
> =3D=3D=3D=3D Pressing Next Track
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: _snd_pcm_a2dp_open: name pcm.headphone mode 1
> DEBUG: _snd_pcm_a2dp_open: bdaddr/dest is 00:0D:44:43:B7:01
> DEBUG: a2dp_constraint: TEST a2dp 0x824ffc8
> DEBUG: a2dp_params: a2dp 0x824ffc8
> DEBUG: a2dp_params: format S16_LE rate 44100 channels 2
> DEBUG: a2dp_params: frame_bytes 4 period_bytes 8192 period_size 2048 buff=
er_size 4096
> DEBUG: a2dp_prepare: a2dp 0x824ffc8
> SBC Bandwidth =3D 24 kbps [25461 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> SBC Bandwidth =3D 26 kbps [26703 bps]
> SBC Bandwidth =3D 26 kbps [27324 bps]
> ------ There is sound, since the connection is not closed ------
>
> =3D=3D=3D=3D Terminating xmms
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> DEBUG: a2dp_stop: a2dp 0x824ffc8
> DEBUG: a2dp_stop: Listen thread terminating
> DEBUG: a2dp_stop: Listen thread terminated
> DEBUG: a2dp_stop: OK
> =
> ------------------------------------------------------------------------
>
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Bluez-devel] Some tests with the userland ALSA plugin for A2DP: problem with changing tracks
2006-08-30 9:33 ` Frédéric DALLEAU
@ 2006-08-30 13:56 ` Rui Pedro Lopes
0 siblings, 0 replies; 3+ messages in thread
From: Rui Pedro Lopes @ 2006-08-30 13:56 UTC (permalink / raw)
To: BlueZ development
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Fr=E9d=E9ric DALLEAU wrote:
> Hi, There exists another alsa driver for a2dp. It's based upon the
> previous but uses a daemon instead of being standalone. It really
> miss documentation, but you can have a look at :
> http://sourceforge.net/mailarchive/forum.php?thread_id=3D20199009&forum_i=
d=3D1881
> You'll need the latest cvs.
>
> If your headset support AVRCP (next/prev buttons) you may also use
> it, see somewhere in this thread :
> http://sourceforge.net/mailarchive/forum.php?thread_id=3D29326874&forum_i=
d=3D1881
>
>
> Let us know if it works! Fr=E9d=E9ric
>
It did!
I had to change the Makefile a bit though...
Here goes the diff:
=3D=3D=3D snip =3D=3D=3D
- --- alsa-plugins/Makefile.am 2006-07-26 10:56:20.000000000 +0100
+++ /home/rlopes/tash/btsco/alsa-plugins/Makefile.am 2006-08-30
14:39:00.000000000 +0100
@@ -5,7 +5,7 @@
if ALSAPLUGIN
- -LIBS =3D
+#LIBS =3D
alsadir =3D $(libdir)/alsa-lib
@@ -25,6 +25,7 @@
bin_PROGRAMS =3D a2dpd
a2dpd_SOURCES =3D a2dpd.c a2dplib.c a2dp_timer.c a2dp_ipc.c
+a2dpd_CFLAGS =3D $(AM_CFLAGS)
a2dpd_LDADD =3D @BLUEZ_LIBS@ -lsbc -lpthread -lrt
AM_CFLAGS =3D @ALSA_CFLAGS@ @BLUEZ_CFLAGS@ -pthread
=3D=3D=3D snip =3D=3D=3D
Cheers,
/rp
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Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
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NKzVAgM5zsbWcTN3oLYN3x4=3D
=3DSHLH
-----END PGP SIGNATURE-----
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2006-08-30 9:07 [Bluez-devel] Some tests with the userland ALSA plugin for A2DP: problem with changing tracks Rui Pedro Lopes
2006-08-30 9:33 ` Frédéric DALLEAU
2006-08-30 13:56 ` Rui Pedro Lopes
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