[android-developers] Re: Serious Problem with AudioRecord on NexusOne

Just a thought ... does it happen if you are holding a wake lock or
partial wake lock?

On May 31, 2:07 am, Hunter Peress <hunt...@gmail.com> wrote:
> FYI, the source code that I linked is a simpler version that is not
> service based. I was thinking the service was causing the bug, but it
> still exists without being service based.
>
> On May 31, 4:01 pm, Hunter  Peress <hunt...@gmail.com> wrote:
>
>
>
> > Hey. I'm running AudioRecord to capture sound. It runs inside a
> > service. But, after the initial run after installing the app (in which
> > I've never seen this bug occur), the sound goes blank about 20% of the
> > time after 0-20 seconds of running. Audio data STILL gets captured
> > from the hardware, however, it is completely silent. If you examine
> > the console you will see that AudioHardwareQSD enters standby mode,
> > or  you can use the volume meter and you will see that it goes dead to
> > assist in seeing this bug.
>
> > 05-30 11:49:37.639: DEBUG/dalvikvm(697): GC_FOR_MALLOC freed 8417
> > objects / 326880 bytes in 62ms
> > 05-30 11:49:37.639: INFO/AudioHardwareQSD(59): do input routing device
> > 40000
> > 05-30 11:49:37.639: INFO/AudioHardwareQSD(59): Routing audio to
> > Speakerphone
> > 05-30 11:49:37.650: WARN/AudioFlinger(59): RecordThread: buffer
> > overflow
> > 05-30 11:49:37.780: DEBUG/AudioHardwareQSD(59): Switching audio device
> > to
> > 05-30 11:49:37.780: DEBUG/AudioHardwareQSD(59): Speakerphone
> > 05-30 11:49:37.871: INFO/AudioHardwareQSD(59): AudioHardware PCM
> > record is going to standby.
>
> > This bug does not occur on any other phone than the nexus. Someone
> > told me that AudioHardwareQSD is
> > related to the snapdragon audioprocessor for the second microphone.
>
> > Quickly view the relevant source in pastebin:http://pastebin.com/3xVEjiLE
>
> > The full source is here:http://android.googlecode.com/issues/attachment?aid=55193614575285110...
>
> > Which is part this bug:http://code.google.com/p/android/issues/detail?id=8732
>
> > Thanks.

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