Could you please move this to android-platform or another of the open source groups? Thanks.
On Sun, Nov 23, 2008 at 12:40 PM, Dorn Hetzel <[EMAIL PROTECTED]> wrote: > > David, > > Thank you very very much for the tips. I've gotten as far as > downloading the android source code (onto a clean ubuntu VM I built > for the job) and doing an initial make (which generated quite a lot of > whining level errors but seemed to complete ok). > > I'm so-so at Java but a pretty old hand at C/C++ so hopefully I will > be able to work through the remaining steps. Can you recommend any > other similar interface classes I could examine for general clues? > > Once I get all this done, will the .so in the .apk be able to go > through the marketplace and run on a real G1 or will I only be able to > play with in on the emulator? > > In any case, I will write progress reports to the list and make the > code available to all if I succeed. > > Best Regards, > > Dorn Hetzel > > On Fri, Nov 21, 2008 at 8:23 PM, davidsparks davidsparks > <[EMAIL PROTECTED]> wrote: > > The native interface is called AudioRecord.h. You'll need to download the > > Android source code, write a JNI interface to AudioRecord, build a .so > > library that you can include in your APK, write a Java wrapper class for > it, > > and then load the library from your Java wrapper. > > > > Hope that helps. > > > > Dave > > > > On Wed, Nov 19, 2008 at 11:22 AM, Dorn Hetzel <[EMAIL PROTECTED]> wrote: > >> > >> David, > >> > >> It looks like the MediaRecorder functionality is a non-start for my > >> application since I need to process the audio as it is coming in, not > >> some time later after the recording is complete. Can you provide me > >> some clue as to where to find information on the native interface, > >> since I would rather be able to at least make some progress with the > >> rest of my application while waiting for the next version. Without > >> some alternative to MediaRecorder I will be simply unable to proceed. > >> > >> Thanks! > >> > >> -Dorn > >> > >> On Wed, Nov 19, 2008 at 2:14 PM, [EMAIL PROTECTED] > >> <[EMAIL PROTECTED]> wrote: > >> > > >> > It is the only supported method in SDK 1.0. There is a native > >> > interface to audio input, but it will be changing in a future release > >> > and I strongly advise against using it. > >> > > >> > On Nov 19, 8:26 am, dorn <[EMAIL PROTECTED]> wrote: > >> >> Is the MediaRecorder the only method available to acquire audio from > >> >> the microphone, or is there a lower level method available? > >> >> > >> >> On Nov 14, 4:59 pm, Dave Sparks <[EMAIL PROTECTED]> wrote: > >> >> > >> >> > The MediaRecorder is currently hardcoded for AMR-NB and is intended > >> >> > for MMS messages. > >> >> > >> >> > You can expect improvements toaudiorecording in a future SDK. > >> >> > >> >> > On Nov 14, 12:26 pm, ste <[EMAIL PROTECTED]> wrote: > >> >> > >> >> > > I'm testing out the MediaRecorder'saudiorecording capability, and > >> >> > > the quality of theaudiowas less then I was expecting. It was > >> >> > > significantly lower then the quality you get while speaking on > the > >> >> > > phone, and sounded very digitized. > >> >> > > I've tested both the 3gpp and MPEG_4 encoding options, and > noticed > >> >> > > the > >> >> > > same quality. > >> >> > > Has anyone else noticed this, and is this an issue with the > phone's > >> >> > > hardware or the MediaRecorder's capabilities? If it's the latter, > >> >> > > is > >> >> > > the quality of recording something which is planned to be > improved? > >> > >> > > >> > > > > > > > > > -- Dianne Hackborn Android framework engineer [EMAIL PROTECTED] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---