Re: [android-developers] Why Android is using alsa device in block mode?

On Wed, Jun 30, 2010 at 12:19 AM, Nilly <niral@oriolesoftware.com> wrote:
> Why android is using alsa in block mode?

Android does not have ALSA.

> As android is opening device
> in block mode I am not open alsa device for playback. It shows device
> is busy as it is used by android.
>
> By stop media we can stop audio services but it will stop other
> services also which makes video player hang and I am not able to use
> player.
>
> How to come over it?

I am assuming you are referring to the Android emulator. The Android
emulator uses qemu, and qemu on a Linux host may use ALSA in block
mode -- I am not an expert with qemu or ALSA.

Playing back video in the emulator is unlikely to work, regardless of
ALSA, because the emulator will not run fast enough. For testing video
applications, please use an Android device.

You are welcome to see if there are QEMU environment variables or
something you can use to tailor the way the Android emulator behaves.
Or, you are welcome to grab the tools source code from the Android
open source project, make patches to the emulator launch routines, and
perhaps contribute back those changes.

--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy

Android Training...At Your Office: http://commonsware.com/training

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