Re: [HELP Required]Routing Of SCO data to BT Host Speaker

[Daniel Wagner <wagi@monom.org>]

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Hi Milan,

sorry, your mail got drowned in my inbox. I saw that Andreas had a tip.

HTH,
daniel

On 03/11/2011 03:43 PM, milan.satpathy(a)accenture.com wrote:
> Hi Daniel,
>
> Thanks for the quick assistance.
>
> I tried the same approach as suggested by you.
>
> Steps:
> ------
> 1.$pacmd
> 2.$list-sources
> ( got 2 sources )
>
>    name:<alsa_output.pci-0000_00_05.0.analog-stereo.monitor>
>
>    (and)
>
>    name:<alsa_input.pci-0000_00_05.0.analog-stereo>
> 3.$list-sinks
> ( got 1 sink )
>
> name:<alsa_output.pci-0000_00_05.0.analog-stereo>
>
> 4.created a shell script "ofono.sh" with contents as below:
> pactl load-module module-loopback source="alsa_input.pci-0000_00_05.0.analog-stereo" sink="bluez_sink.A8_7E_33_AF_23_A4"
> pactl load-module module-loopback source="bluez_source.A8_7E_33_AF_23_A4" sink="alsa_output.pci-0000_00_05.0.analog-stereo"
> (A8_7E_33_AF_23_A4 is the BT address of handset paired to the host)
>
> 5. Now I connect the host to the handset through HFP.
> 6.After SLC is established , I dial a number and establish a voice call.
> 7.As soon as the state is "Playing" ( SCO connected) , I run the "ofono.sh" ( as mentioned in step 4).
>
> Result:
> -------
> I am getting the following errors:
>
> Failure: Module initalization failed
> Failure: Module initalization failed
>
>
> Requesting Clarification
> ------------------------
> 1.I was wondering if any modification is required in pulseaudio configuration files to enable dynamic loading of module-loopback.( e.g "module-loading = yes" in /etc/pulse/daemon.conf ).Currently all settings are maintained as default.
>
> 2.Also, do I need to modify "SCORouting=PCM" in "audio.conf" file. (default is HCI)
>
> It will be of great help to receive any further inputs regarding the above issue.
>
> Best Regards,
> Milan
>
> -----Original Message-----
> From: Daniel Wagner [mailto:wagi(a)monom.org]
> Sent: Friday, March 11, 2011 12:52 PM
> To: Satpathy, Milan
> Cc: ofono(a)ofono.org
> Subject: Re: [HELP Required]Routing Of SCO data to BT Host Speaker
>
> Hi Milan,
>
> On Fri, Mar 11, 2011 at 10:56:34AM +0530, milan.satpathy(a)accenture.com wrote:
>> Hi,
>>
>> Recently I have been trying to use Ofono to write a Handsfree based application( Using C on Ubuntu 10.10).
>> I am able to connect(SLC) to the AG using Ofono. After connection I am also successful in dialing to another number.
>> Bluetoothd indicates status as "Playing" ( SCO connection successful) once the call is established.
>>
>> Problem Faced:
>> ----------------------
>> However, after accepting the call I am unable to hear any voice through the speaker.
>
> You might have to loop back the PulseAudio BT source and sink to your sound card, e.g.
>
> pactl load-module module-loopback source="alsa_input.pci-0000_00_1b.0.analog-stereo" sink="bluez_sink.78_47_1D_44_34_10"
> pactl load-module module-loopback source="bluez_source.78_47_1D_44_34_10" sink="alsa_output.pci-0000_00_1b.0.analog-stereo"
>
> You have to do this within 5 seconds after the SCO connection has been
> established otherwise PulseAudio will suspend (which leads to a BT
> stream stop) the streams.
>
> HTH,
> daniel
>
>
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