I was running on a G1.
I've just found the problem though. On previous debug sessions - the
mediarecorder hadn't been properly released.
Solution was to reboot the phone, add overrides to onpause and ondestroy,
making sure it's released in each case and then run again. Works like a
charm!
2009/1/31 Dave Sparks <davidspa...@android.com>
>
> Are you running on a G1 or on the emulator? If on the emulator, maybe
> audio input isn't working correctly and it's failing to open the audio
> input device.
>
> On Jan 31, 9:59 am, Phill Midwinter <ph...@grantmidwinter.com> wrote:
> > Looking at adb logcat I'm getting this error:
> >
> > "*Record channel already open*"
> >
> > Could this be a bug? I don't understand how it could already be open..
> > nothing else is recording on the device?
> >
> > 2009/1/31 ph...@grantmidwinter.com <ph...@grantmidwinter.com>
> >
> >
> >
> >
> >
> > > I've got a media recorder, prepared and started in the following way:
> >
> > > mRecorder = new MediaRecorder();
> > > mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
> > > mRecorder.setOutputFormat
> > > (MediaRecorder.OutputFormat.THREE_GPP);
> > > mRecorder.setAudioEncoder
> > > (MediaRecorder.AudioEncoder.AMR_NB);
> > > mRecorder.setOutputFile("/sdcard/test.3gpp");
> > > mRecorder.prepare();
> > > mRecorder.start();
> >
> > > I'm then using a thread to return the mRecorder.getMaxAmplitude int,
> > > but it never returns as anything but 0. I've looked all over for why
> > > this might be happening - but I'm at a complete loss now so help would
> > > really be appreciated.
> >
> > > Thanks.
> >
> > --
> > Phill Midwinter
> > Director
> > Grant Midwinter Limited
> > d: 0844 736 5234 x: 0
> > m: 07538 082156
> > e: ph...@grantmidwinter.com
> >
>
--
Phill Midwinter
Director
Grant Midwinter Limited
d: 0844 736 5234 x: 0
m: 07538 082156
e: ph...@grantmidwinter.com
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