[Bluez-users] Info a2play

[Bluez-users] Info a2play

[Patrick Libert]

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Hello Bluez-Users

I saw on a website "LiveJournal" that it is possible to
use beep-media-player to stream your mp3 to a bluetooth stereo headset with
a2play.
The syntax is like this:

                       beep-media-player | sox -c 2 -t raw -r 44100 -w -s -
-t au - | ./a2play <http://bluetooth-alsa.sourceforge.net/> -p
00:0D:44:2A:14:66<http://www.shopping.hp.com/webapp/shopping/product_detail.do?product_code=FA303A%23AC3>

with this in the .asoundrc


          pcm.stdout {
                     type file
                     slave.pcm null
                     file /dev/stdout
                   }


When I do this I get an error:

      couldn't open 00:08:E0:09:75:6F

What does the option "-p" with a2play means?
If I do this without the "-p" option I get the following error:

              out of sync (0x2e)
              couldn't read header on -

When I do this:

            mpg123 --au - file.mp3 | sbc/sbcenc - | ./a2play
00:08:E0:09:75:6F
Then It works with my headset. But the music is interrupted sometimes. How
does it come?

I really appriciate if someone could help me.

Kind regards,

Patrick Libert

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Re: [Bluez-users] Info a2play

[Brad Midgley]

Patrick

> I saw on a website "LiveJournal" that it is possible to
> use beep-media-player to stream your mp3 to a bluetooth stereo headset
> with a2play.
> The syntax is like this:
> 
>                        beep-media-player | sox -c 2 -t raw -r 44100 -w
> -s - -t au - | ./a2play <http://bluetooth-alsa.sourceforge.net/> -p
> 00:0D:44:2A:14:66
> <http://www.shopping.hp.com/webapp/shopping/product_detail.do?product_code=FA303A%23AC3>
> 
> with this in the .asoundrc
>                       
> 
>           pcm.stdout {
>                      type file
>                      slave.pcm null
>                      file /dev/stdout
> 
>                    }

it is an interesting way to get an alsa client to work. if it works out,
we should document it ourselves.

> 
> 
> When I do this I get an error:
> 
>       couldn't open 00:08:E0:09:75:6F
>  
> What does the option "-p" with a2play means?

it's to use pthreads and the rtc to get finer control of packet timing.
it's a new feature.

> If I do this without the "-p" option I get the following error:
> 
>               out of sync (0x2e)
>               couldn't read header on -

it seems that the audio format isn't coming out right, but it's probably
because a2play is old.

> 
> When I do this:
> 
>             mpg123 --au - file.mp3 | sbc/sbcenc - | ./a2play
> 00:08:E0:09:75:6F
> Then It works with my headset. But the music is interrupted sometimes.
> How does it come?

are you running an old version of a2play? we haven't had to pipe the
encoder in the chain for a long time. run a2play with no options and if
it doesn't show -p as a valid option you need to get the current one
from cvs.

brad


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[Bluez-users] Re: Info a2play

[Patrick Libert]

I got it now fixed, I used an old version of a2play.

The following syntax works perfectly now!
beep-media-player | sox -c 2 -t raw -r 44100 -w -s - -t au - |
./a2play -p  00:0D:44:2A:14:66

But there is still one problem: the music gets interrupted very often.
I now used the -p option but that still doesn't help.
On Windows XP and my cellphone, it works perfectly.

Kind regards,

patrick


On 12/20/05, Patrick Libert <patrick.libert@gmail.com> wrote:
> Hello Bluez-Users
>
> I saw on a website "LiveJournal" that it is possible to use beep-media-pl=
ayer to stream your mp3 to a bluetooth stereo headset with a2play.
> The syntax is like this:
>
>                        beep-media-player | sox -c 2 -t raw -r 44100 -w -s=
 - -t au - | ./a2play -p  00:0D:44:2A:14:66
>
> with this in the .asoundrc
>
>           pcm.stdout {
>                      type file
>                      slave.pcm null
>                      file /dev/stdout
>
>                    }
>
>
> When I do this I get an error:
>
>       couldn't open 00:08:E0:09:75:6F
>
> What does the option "-p" with a2play means?
> If I do this without the "-p" option I get the following error:
>
>               out of sync (0x2e)
>               couldn't read header on -
>
> When I do this:
>
>             mpg123 --au - file.mp3 | sbc/sbcenc - | ./a2play 00:08:E0:09:=
75:6F
> Then It works with my headset. But the music is interrupted sometimes. Ho=
w does it come?
>
> I really appriciate if someone could help me.
>
> Kind regards,
>
> Patrick Libert
>


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Re: [Bluez-users] Re: Info a2play

[Brad Midgley]

Patrick

> The following syntax works perfectly now!
> beep-media-player | sox -c 2 -t raw -r 44100 -w -s - -t au - |
> ./a2play -p  00:0D:44:2A:14:66
> 
> But there is still one problem: the music gets interrupted very often.
> I now used the -p option but that still doesn't help.
> On Windows XP and my cellphone, it works perfectly.

Are you using nvidia drivers? My laptop with nvidia would chop up the
audio every time I switched between windows. I think the nvidia driver
is interfering with our rtc.

My fujitsu w/ATI doesn't have the problem.

Brad


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