On Feb 2, 11:32 am, Mathias Agopian <[email protected]> wrote:
> On Sun, Feb 1, 2009 at 9:30 PM, iblues <[email protected]> wrote:
>
> > Mathias,
>
> > How does Android plan to support rendering of raw data (YUV or RGB)
> > onto the Surface at the library layers in future? For my requirement,
> > I defined my middleware class as a friend class of Surface in
> > Surface.h file. After this, I was able to access the ISurface object.
>
> Oh dear... you absolutely cannot do that.
> Android has public APIs, these are at the Java level and that's all
> you can use at the moment.
> I repeat: you CANNOT use native APIs. period.
>
> There are no way to display graphics from native code currently.
Mathias,
But currently that is the way how the Media Player and Camera modules
are rendering the data onto the Surface right? I picked my idea of a
native implementation from those code flow only.
> > Do you mean that my native library would become obselete in future? Do
>
> Yes. It will crash.
>
Aaaah.. There goes all my work.. :(
> > you have any recommendations for an alternate way for rendering raw
> > data?
>
> You can do this from Java, using the Bitmap.java class.
>
> Mathias
>
In my requirement, I will be having streaming frame data being pushed
onto my native library (imagine a Video Call use case). In this case,
will it be efficient to pass this raw YUV data all the way from my
native code back to the application (activity class) using JNI,
convert the same to RGB and then to Pixel array and then finally
create a Bitmap out of this?? Wouldn't this approach eat up more
resources?
In the end, I believe the flow of the code goes back to the ISurface
via SurfaceFlinger right?
Correct me if I am wrong in any of my points.
Regards,
iblues
---------------------
>
>
>
>
> > Regards,
> > iblues
>
> > -----------------------------
>
> > On Feb 1, 4:00 am, Mathias Agopian <[email protected]> wrote:
>
> >> ISurface is NOT a public API, nor is SurfaceHolder.getISurface(), they
> >> will change in the near future. Nothing will be made to try to
> >> maintain backward compatibility.
>
> >> mathias- Hide quoted text -
>
> - Show quoted text -
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