Yes, you set the format and such by the setters you mentioned.  The relation
with surfaceChanged() is that this gets called after any such parameters
have changed to provide a surface with the new configuration.

On Fri, Nov 27, 2009 at 8:20 AM, android-newbie <k...@itsaver.com> wrote:

> Thanks Dianne so much for your reply.
>
> So let's say in my example I am working with SurfaceView for my
> CameraSurfaceView.  I have a few questions, hope you can help me.
>
> 1.  When this SurfaceView gets created (I assume via
> final CameraSurfaceView cameraView = new CameraSurfaceView
> (getApplicationContext()), this will result in a call createSurface()
> in SurfaceFlinger with format, width and height.
>
> How does the application pass these information like format, width and
> height to SurfaceFlinger for the allocation?  Is it by
> using .setFormat, .setFixedSize?
>
> 2.  How do they methods .setFormat, .setFixedSize related to the
> surfaceHolder.surfaceChanged() callback?
>
> On Nov 26, 5:41 pm, Dianne Hackborn <hack...@android.com> wrote:
> > It totally depends.  It may be surface flinger, it may be an overlay that
> is
> > YUV, etc.
> >
> >
> >
> >
> >
> > On Thu, Nov 26, 2009 at 2:39 PM, android-newbie <k...@itsaver.com>
> wrote:
> > > I am looking at the source code of a Camera Preview application and
> > > learning that the preview buffers coming from the sensor is in YUV422
> > > format.  However, this preview frame is showed on the display in RGB.
> >
> > > Can someone please let me know where the pixel format conversion
> > > happens?  Is it inside Surface Flinger?  If yes, can you please point
> > > me to the code?
> >
> > > Thank you very much for your help,
> > > an
> >
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> > --
> > Dianne Hackborn
> > Android framework engineer
> > hack...@android.com
> >
> > Note: please don't send private questions to me, as I don't have time to
> > provide private support, and so won't reply to such e-mails.  All such
> > questions should be posted on public forums, where I and others can see
> and
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-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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