Re: [PATCH] oFonoHFP profile to enable audio routing in BlueZ

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

Hi,

2009/11/12 Zhang, Zhenhua <zhenhua.zhang@intel.com>:
> Hi,
>
> Ops, forgot to add ofono-hfp.c into BlueZ patch. So I add them and
> resend 0001 patch.
>
> linux-bluetooth-owner@vger.kernel.org wrote:
>> Hi,
>>
>> These three patches are created to enable audio routing for Handsfree
>> Profile. It was created during the voicecall driver implementation in
>> oFono so it does not use the new hfp-api yet. You can take it
>> as reference only since it will not be commited into trunk.
>>
>> Basically, a new profile oFonoHFP was added to create RFCOMM
>> connection and turn IO into TTY device for oFono. It sends TTY
>> device string to oFono through D-Bus. Meanwhile, it listens
>> oFono property changes to emit CallStarted and CallEnded
>> signals. PulseAudio could listen these signals and redirect
>> audio source/sink to use bluetooth one.
>>
>> If you are interested at it, you may apply 0001..0003 into
>> BlueZ, oFono and PA respectively. Last commit SHA-1 is in patch note.
>>
>> And you need to enable oFonoHFP by modify audio.conf:         Disable=Gateway
>>       Enable=oFonoHFP, Headset
>>
>> In ofono modem.conf, specify device address like:
>>       [hfp]
>>       Driver=hfp
>>       Address=00:22:A9:8C:AF:34
>>
>> And power on modem by:
>>       dbus-send --system --print-reply --dest=org.ofono /hfp0
>> org.ofono.Modem.SetProperty string:Powered variant:boolean:true
>>
>> The PulseAudio will load module-bluetooth-discover
>> automatically. If not, please load it manually. This module
>> listens BlueZ signal and load module-bluetooth-device
>> automatically. Unfortunately, you need to load module-loopback
>> manually to redirect bluez source/sink to alsa, e.g.:
>>       load-module module-loopback source="bluez_source.XX..XX"
>> sink="alsa_output.0.analog-stereo"
>>       load-module module-loopback source="alsa_input.0.analog-stereo"
>> sink="bluez_sink.XX..XX"
>>
>> Feel free to let me know if any problems. Thanks.

What happened with the original idea from Denis, I don't think
oFonoHFP is a good name to start with and it should be a generic
interface where any telephony agent could register.


-- 
Luiz Augusto von Dentz
Engenheiro de Computação