Thanks very much for your help :) These are very helpful to my work. Have a nice day ~~~ :-)
On 11/26/08, Maxime Petazzoni <[EMAIL PROTECTED]> wrote: > > > Thanks for making all this work available to the community. I'm > building all this right now, and hope I will get it working :) > > - Maxime > > On 26 nov, 10:09, "Yang, Xiaopeng" <[EMAIL PROTECTED]> > wrote: > > Hi Maxime, > > > > The ALSA contribution from Wind River includes alsa-lib and > > libaudio-alsa libraries, along with other patches for bionic and > system/core. > > > > Because alsa-lib and libaudio-alsa are new projects, they have been sent > to > > Google for integration, and may be available in the repositories soon. > > > > The other modifications on bionic and system/core have been submitted to > > Gerrit for review: > > > > -------------------------------------------- > > [OK ] bionic/ defaulthttp:// > review.source.android.com/r/fad1668b10d5 > > (as [EMAIL PROTECTED]) > > > > [OK ] system/core/ defaulthttp:// > review.source.android.com/r/e2ff04fb6804 > > (as [EMAIL PROTECTED]) > > > > After above projects and patches have been integrated into andorid, you > can > > build android images with ALSA support. To that end, there are still > two > > things need to do: > > > > 1. A /etc/asound.conf is required for ALSA to work. Attached patch adds a > > sample asound.conf for zoom board, copy this sample file to > > system/core/rootdir/etc/asound.conf and make necessary changes to it > > according to your hardware. > > > > 2. Add the following line into the BoardConfig.mk of your board: > > > > BOARD_USES_ALSA_AUDIO := true > > > > then rebuild android to see whether ALSA audio work. > > > > Regards, > > Xiaopeng > > > > Maxime Petazzoni 写道: > > > > > Hi Sean, > > > > > Do you have more information to give us about when and how this code > > > is going to be available? The implementation proposed down here by > > > Misael looks nice too, but I'd like to have a peek about the code you > > > used for the Freerunner, and more importantly how you used it. > > > > > Thanks in advance, > > > - Maxime > > > > > On 12 nov, 05:42, Sean McNeil <[EMAIL PROTECTED]> wrote: > > >> 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 ! > > > > > > > > sample_asound_conf.patch > > 3KAfficherTélécharger > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [EMAIL PROTECTED] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
