"The memory copy isn't really a binder issue, it's due to the way Java handles byte arrays."
So, when passing IMemory from one process to another in native code, there won't have extra memory copy? On Wed, Dec 31, 2008 at 2:47 AM, Dave Sparks <[email protected]>wrote: > > We don't do face detection in real-time, it's done for cropping > photos. I'm not aware of any profiling that's been done on > performance. > > The memory copy isn't really a binder issue, it's due to the way Java > handles byte arrays. > > On Dec 29, 11:52 pm, "[email protected]" <[email protected]> > wrote: > > Hi, > > > > Current face detection is called from java code, is that possible to > > call it from mediaserver? > > For example, in camera service, if we can detect face in preview > > callback, we can display the recognized face rectangle on preview > > frame and avoid extra memory copy between mediasever and java > > activity? > > > > From my understanding, preview frame is a pmem and can be passed to > > another processes by ibinder, there will be memory copy when calling > > face detection in java, right? > > > > I'm also curious the performance of neven library in android, can > > anyone share experience? > > > > Thanks. > > > > Formosalf > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "android-framework" 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-framework?hl=en -~----------~----~----~----~------~----~------~--~---
