i just spoke with a friend of mine who is a certifiable assembly god. he is
going to take a look at implementing assembly versions for these other
processors as well. he is pretty busy so cross your fingers!
elrod
Michael Rich wrote:
> > Can you mail to me? Thanks in advance.
> > If just use c/c++ code, Do you think my MIPS CPU on STB can
> > afford the
> > decoding task?
>
> Patrick,
>
> There isn't anything special really, all you need to do is grab the latest
> (beta 4) source code (i used
> http://www.freeamp.org/download/src/freeamp-2-0-beta4.zip) and then dig into
> the directory:
>
> freeamp/lmc/xingmp3
>
> and you should find the C/C++ code in there to do the job. The hard part
> from there would be to strip it out from the Linux/Win32 code that it may be
> slightly tied to (not sure about this though), and then start trying to
> recompile it on your MIPS processor.
>
> I personally don't anything know about the MIPS CPU, but since its a RISC
> processor like the Alpha (just not as good... ;), it should be quite adept
> as the floating point aspect of the decoding process.
>
> FWIW, on my AlphaStation 200 4/233, with a 233Mhz 21064 CPU, it eats about
> 20% of the CPU to decode the MP3. This is with no Alpha optimized ASM, only
> the straight C routines.
>
> I would think you would be OK as you have enough MHz, and especially if you
> can come in and optimize the decoder with MIPS specific instructions.
>
> HTH,
> mike
>
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