Thanks for your answers. It's nice to know that we'll have an available reference ALSA backed libaudio to use with Android. I'm looking forward to seeing this submitted. Please keep us posted Sean!
On 11 nov, 21:23, "Misael Lopez" <[EMAIL PROTECTED]> wrote: > I have been working in that audio interface for ALSA in OMAP > processor, you can find our tree at: > > http://git.omapzoom.org/?p=android/hardware/ti/omap3.git;a=summary > > We have been successfully played and capture audio using TWL4030 chip > in OmapZoom board with that current version of the interface. > I'm working on bringing the control part, probably we can have that > part ready soon. It will be great if the community collaborates to > correct/improve current code. > You can find more information atwww.omapzoom.org, particularly about > Android if you go to Projects->Android on OMAPZoom. > > Misa > > 2008/11/11 Sean McNeil <[EMAIL PROTECTED]>: > > > > > Hi Maxime, > > > Wind River is in the process of submitting an ALSA audio implementation. > > That is what I use on the Openmoko Freerunner and what has been > > successfully used on the TI OMAP Zoom reference platform. > > > Maxime Petazzoni wrote: > >> Hi, > > >> I believe most of the porting efforts on the various hardware platform > >> will soon get to the point (if not already) of a running system ; the > >> next step being making sure all the basic functionality is there. > >> Audio being one of the most important one, since telephony also > >> depends on it. > > >> Without anything done on that front, we're facing the "using stubbed > >> audio hardware, no sound will be produced" warning message when Dalvik > >> starts. > > >> From what I've read, Android relies on an hardware glue library > >> libaudio, providing AudioFlinger with the appropriate AudioInterface > >> implementation to output sound to whatever sound driver the hardware > >> uses. For example, on the HTC G1/MSM72xx hardware platform, Google > >> useshttp://android.git.kernel.org/?p=platform/hardware/msm7k.git;a=summary > > >> But I think most of the Androids ports are made on hardware that have > >> ALSA device drivers (OMAP for example). And before 20 different people > >> start implementing their own libaudio bridging to ALSA, maybe we > >> should coordinate this community effort. Starting by knowing if > >> anything has already been started by someone, somewhere :) > > >> If not, I will most likely start working on one, and I foresee that > >> it's going to be tough, as the only real documentation is the msm7k > >> libaudio source code itself. > > >> Ideas, comments, suggestions ... and help are most welcome! > >> - Maxime > > >> PS: of course, if you got audio working without going through this > >> libaudio stuff, please share your discoveries ! --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [EMAIL PROTECTED] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
