Hi,

>has anyone reported this issue before? anything that I
>should do to correct this?

Not sure, but try setting the preview size to one of the supported
sizes for the device - query the Camera parameters to find out. Camera
Preview sizes are not always the same size as the display screen.

http://developer.android.com/reference/android/hardware/Camera.html#getParameters()

Regards



On Jul 14, 2:29 am, Qianqian Fang <fan...@gmail.com> wrote:
> hi
>
> I found a strange problem when processing the
> preview images grabbed from my Epic 4G phone
> camera (android 2.2.1).
>
> The image data were captured in a callback set up
> by setPreviewCallbackWithBuffer(). The pixelformat
> of the image were set to RGB565. For each callback,
> I simply dump the raw data via FileOutputStream and
> then add the buffer back.
>
> The 1st to 6th image frames are shown in the following
> link (plotted with matlab, I did not bother to decode it).
>
> http://nmr.mgh.harvard.edu/~fangq/temp/camera_preview_image_wrapping.png
>
>  From this plot, you can see the image wraps around the
> y-axis: for each frame, the y boundary moves about 4
> pixels. My preview size was set to 480x320; the orientation
> was portrait.
>
> has anyone reported this issue before? anything that I
> should do to correct this?
>
> thanks
>
> Qianqian

-- 
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

Reply via email to