Hi, Normally camera preview *IS* present during video recording, read the video section of this carefully -
http://developer.android.com/guide/topics/media/camera.html Regards On Jun 6, 8:20 pm, DeveloperbyChoice <tahasyed...@gmail.com> wrote: > I am still loking for the solution ? any solution yet ? > > > > > > > > On Tuesday, March 27, 2012 12:09:08 PM UTC-4, Qianqian Fang wrote: > > > hi > > > I am working on a real-time video processing project. I used > > setPreviewCallbackWithBuffer() and display both the preview image and > > the processed image on SurfaceViews. Now, I'd like to record video at > > the same time. I read from some posts that the video recording > > involves low-level io that is not in conflict with the preview buffer. > > > I took some sample code from the second post of this link to do the > > video recording: > > >http://stackoverflow.com/questions/1817742/android-video-recording-sa... > > > however, after merging it with my camera > > setPreviewCallbackWithBuffer() code, I kept getting "MediaRecorder: > > start called in an invalid state 4" when I tried to call mrec.start(). > > Both the initRecorder() and prepareRecorder() ran fine when the > > surface is created. > > > Anyone know what might be causing this error? the MediaRecorder object > > does share the same camera object that is used for buffered preview. > > > 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
