On 4/2/09, dingerjun <[email protected]> wrote: > Dear Dave, > Thanks for your help. > Does the g1 bluetooth headset connect directly to the baseband? The app > processor need not route the data from the bluetooth to gsm stack?
Correct. On the HTC Dream there is a dedicated PCM audio link from the baseband to the Bluetooth chip for this purpose. The apps processor is not involved in the in-call audio path. This is typical of most mobile phones. > > I make me much confusedly!!! > > > > ----- Original Message ----- > From: "Dave Sparks" <[email protected]> > To: "android-porting" <[email protected]> > Sent: Friday, April 03, 2009 2:03 PM > Subject: [android-porting] Re: Does the g1 support play music into gsm > channels > > > > No, the G1 firmware does not support routing audio from the app > processor to the GSM stack. All in-call audio routing is handled by > the baseband processor. > > On Apr 2, 10:39 pm, "dingerjun" <[email protected]> wrote: > > Yes ,of course , I do realize that I should answer the call first. > > > > My question is that I want play sound to gsm modem . > > > > In general, GSM modules are sampling directly from the microphone, playing > to the guests from afar. the main CPU do not need do the voice control. all > things are done by hardware . I do not want to sample from the microphone, > but data from the local players. > > > > I think it may be achieved, but not sure. Because the g1 support the > bluetooth headset. So the software can handle the voice data channel. The > main cpu software get data frome bluetooth headset and sent it to gsm module. > > > > I learn the code in (TOPDIR)/hardware/alsa-sound. May I modify the > doRouting() method in AudioHardwareALSA.cpp can solve this problem. This file > only support one stream input micphone. I want add the local play out to the > stream input object. > > > > Does anybody can help me to confirm this quesition? > > > > ----- Original Message ----- > > From: "Sean McNeil" <[email protected]> > > To: <[email protected]> > > Sent: Friday, April 03, 2009 11:23 AM > > Subject: [android-porting] Re: Does the g1 support play music into gsm > channels > > > > > You do realize that the phone would have to answer the call before it > > > could play the music, right? This would mean you will start incurring > > > minutes usage. > > > > > I don't think that service plans that offer music or other personal ring > > > play count that time towards your minute allocation. > > > > > dingerjun wrote: > > >> Dear all, > > >> When my g1 ring, I want to play my local music to the caller through > gsm channel. > > > > >> I should close the micphone and change the music play out to the gsm > modem. > > > > >> Does the g1 gsm modem support it? > > > > >> Best Regards > > >> Erjun > > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
