On Nov 28, 2006, at 5:29 AM, Leo Burd wrote:
Hello there,
I am new to Flash and I am wondering what is the best way to send
Audio objects via XML-RPC. More specifically, I wonder if anyone
could send me suggestions on:
a) How to convert a Sound object to MP3 programatically?
You need an MP3 encoding library. If you want a command line solution
that you may be able to hack to work in a server environment, I'd
look into ffmpeg.
b) How to convert the resulting MP3 into a base64 string
PHP has a base64 library. Look there for starters. I believe you can
pass it an argument to encode a file (which would be the mp3 file on
your server).
To encode the MP3 into a base64 string dynamically is going to kill
your server CPU. You're better off running a chron job on your server
to execute PHP code to encode the file when placed in a certain
directory. If the base64 version is already encoded, don't do
anything, just send the stored encoded version.
c) How to send the base64 string to my server via XML-RPC
I don't know if XML-RPC is not going to handle that amount of data
very effectively. The base64 encoded version of the MP3 file will be
huge.
BTW, shall I use AS2 or AS3 for this?
I don't know if it will matter. Once you have the base64 encoded
string in Flash, what do you plan to do with it? I don't see how
you'll be able to attach it to a sound object. I never tried this
though, so the sound object "should" be able to take the raw mp3 data
and use it, but who know?
This whole process may be best done with a socket connection with AS3
and using binary data to send the result directly to a sound object.
good luck.
jon
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