Can you be more precise about what your application does? On quite a
few devices (and especially on the Dream/G1) Android fits tightly with
little room to spare, so it's unclear that we'd be accepting
contributions for entirely new applications.

JBQ

On Thu, Jul 16, 2009 at 12:16 AM, sandy8531<[email protected]> wrote:
>
> My application needs to extract a 10 second portion of a audio file in
> PCM format and store it.
>
> On other platforms I have been doing this in Java using Jlayer
> decoder, but once I ported that to Android, it ran extremely slowly.
> It takes almost 50 seconds to decode a 10 second sample !
>
> Since the opencore libraries are already available, I would like to be
> to use them as an alternative. I have been looking at it for a couple
> of days now. I would like to understand what options are available to
> me to be able to do this.
>
> My first approach was to develop a JNI stub and try and make a call
> out to the codec in the opencore shipped library, but it appears that
> those interfaces are subject to change and there is no guaranty of
> backward compatibility in a future release.
>
> The other approach I can think of is to take the opencore source and
> compile the codecs into a separate standalone jni library private to
> my application, and that way I avoid the backward compatibility
> issue.
>
> Before I go too far down any path I would like to run this by the
> experts and figure out what is the best approach.
>
> One more question - I saw in the opencore code that the decoding
> thread is run at a higher priority. Since my decoder would be running
> at normal application priority am I going to see a significant
> performance drop off ala Jlayer ?
>
> -thanks,
> Sandeep
>
>
>
> >
>



-- 
Jean-Baptiste M. "JBQ" Queru
Android Engineer, Google.

Questions sent directly to me that have no reason for being private
will likely get ignored or forwarded to a public forum with no further
warning.

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