Thanks for the advice, I had feared something like that. From what I've read it seems that operating on the previews using the callback is much too expensive to be feasible anyway
On May 20, 3:12 pm, Jason Proctor <[email protected]> wrote: > check out the Camera SDK docs. camera previews are in raw YUV/YCbCr > format. BitmapFactory won't decode that format. > > in the days before 1.5 brought back video recording, various intrepid > 'droiders including me were doing video capture by saving preview > frames, and the adventures did not always end well. some of us wrote > raw decoders for the camera format, but mostly concluded that it just > takes too long on the phone to be viable. > > camera previews are really only usable as such IMHO. trying to save > or encode them seemingly was not anticipated by the SDK implementers. > > IIRC, frames can be obtained from recordings made with MediaRecorder. > i've not used that feature yet, but it can't be more awkward and > problematic than dealing with the Camera preview format. > > hth > j > > >I'm using the Camera.PreviewCallback.onPreviewFrame to try to generate > >a bitmap from the byte array passed to that method. If I use > >BitmapFactory.decodByteArray it returns null. I'm assuming that the > >array is correctly formatted since the data just comes right from the > >camera, so what could the problem be? > > -- > jason.software.particle --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
