I could be wrong, but with the current framework design, I don't think
there is a way for applications to intercept the audio data and do any
kind of post-processing. Any such change would require changing some
code in the mediaframework.

-Ravi

On Jun 26, 10:02 am, Pramodh <pramod...@gmail.com> wrote:
> Hi Ravi,
>
> I saw the discussion thread you shared. Thanks. My requirement is
> similar.
> (http://groups.google.com/group/android-framework/browse_thread/thread/
> c0863a66ebebbe36)
>
> Details of my requirements (with constraints, too):
> 01. We will develop a new media player UI and application (internally,
> we will use existing mediaserver in Android)
> 02. Our development platform will be HTC Magic Android phone. So, we
> will not have luxury of re-building any existing components of
> Android / platform)
> 03. We need to add audio post processing software as a plugable module
> into system (means, should not be rebuilding kernel or file system)
> 04. Due to licensing restrictions, audio post processing module should
> not be made open source
>
> So, for requirement 3, what are the available options in Android v1.5?
> Any ideas and link for further reading will be very helpful. (I am new
> to Android MM framework)
>
> Thanks and regards,
> Pramodh
>
> On Jun 25, 8:38 pm, RaviY <yend...@pv.com> wrote:
>
> > There was a similar thread earlier in this forum that got 
> > lost:http://groups.google.com/group/android-framework/browse_thread/thread...
>
> > I think tying this post processing module(s) to OpenCORE is not the
> > best option. There are other players under the media framework apart
> > from OpenCORE. So, the solution should be generic and scalable across
> > the other players as well.
>
> > On Jun 25, 1:38 am, Pramodh <pramod...@gmail.com> wrote:
>
> > > Ravi, thanks for your reply.
>
> > > On a non-Android platform, we have a Gstreammer plugin with audio
> > > (PCM) processing algorithms.
> > > And, the performance is fine.
>
> > > My current use case is to do similar audio processing in Android
> > > platform (preferably, HTC Magic phone).
> > > How can I include my post processing module in PCM data path?
>
> > > Also, the post processing module should be run-time plugable, with no
> > > need to build other components in system.
> > > Appreciate your kind support.
>
> > > Thanks,
> > > Pramodh
>
> > > On Jun 25, 8:33 am, RaviY <yend...@pv.com> wrote:
>
> > > > One issue that you would want to consider is that processing PCM data
> > > > means processing huge amount of data, especially when you have a clip
> > > > with a high sampling frequency.  For good performance, post-processing
> > > > should be considered to be done inside the hardware.
>
> > > > That being said, what kind of processing do you plan to do? We could
> > > > discuss ideas for your usecase.
>
> > > > -Ravi
>
> > > > On Jun 24, 7:33 am, Pramodh <pramod...@gmail.com> wrote:
>
> > > > > Hi,
>
> > > > > I need to process PCM data before OpenCore sends it to ALSA.
>
> > > > > Should I develop a OpenCore plugin for this purpose? If yes, how?
> > > > > Any pointers would be helpful.
>
> > > > > Thanks,
> > > > > Pramodh- Hide quoted text -
>
> > > > - Show quoted text -- Hide quoted text -
>
> > - Show quoted text -
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