Thank you Dianne. But if I set my CameraSurfaceView is of type mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS) for the purpose of pushing the preview frame onto the surface for display, does this surface also serve as my UI window?
Thanks alot for your help! On Nov 27, 1:52 pm, Dianne Hackborn <hack...@android.com> wrote: > 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 > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Android Developers" group. > > > > To post to this group, send email to > > android-developers@googlegroups.com > > > > To unsubscribe from this group, send email to > > > > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > > <android-developers%2bunsubscr...@googlegroups.com> > > > > For more options, visit this group at > > > >http://groups.google.com/group/android-developers?hl=en > > > > -- > > > 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.- Hide quoted text - > > > > - Show quoted text - > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to android-developers@googlegroups.com > > To unsubscribe from this group, send email to > > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en > > -- > 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.- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
