Re: [Ming-users] streaming several mp3 at the same time

[blaise <bpi...@wo...>]

Well, finally, I can't manage to mix pm3 or even waw with ming.

So for my purpose (multi users online sound mixing), I find out the 
"ecasound" project, that called via php mixes four (on/off) 4 seconds samples 
ogg files into a single ogg file, that is re-downloaded each 8 seconds by  
the users browsers.

I am still doing some very basic things. You can have a look over here (when 
it's open) :
http://82.66.71.9/highlab_live/index.html
(sorry it's in french, I haven't yet translated it; just click the link on top 
to something like "...version_01...")

 For now, no ming, only php  and ecasound script.

I don't have yet the nice refresh function that would refresh the page without 
sound interruption. I am wondering if I could do that with ming, BUT :

When I try to stream a common (dowwnloaded) mp3 with ming, everything's fine.
But if i try to stream with ming a mp3 file converted from an ogg file with 
ecasound and lame support, then the ming code fails on :
$movie->streamMp3
, although the ogg lame-ecasound encoded only (without ming, bash ecassound 
command) mp3 file can be listened to through the sever.

Any ideas ? I'm going to check it closer. Troubles  with mp3 headers ? 
Something else ?

Blaise







samedi 4 Juin 2005 05:34, Richard Lynch :
> On Fri, June 3, 2005 6:39 pm, blaise said:
> > Does anybody know if it's possible to stream several mp3s at a time (or
> > mixing
> > them into one mp3 and then streaming this resulting mp3). I'm trying some
> > codes but can't get it work.
>
> Woof.
>
> I doubt Flash/Ming would have this built-in...
>
> Though maybe if you buried each MP3 in an embedded clip, and had all three
> clips advancing their frames at once...
>
> If that won't do it...
>
> You could maybe use mpg123 and sox to combine multiple mp3->wav files into
> one, and then encode that back to MP3 and then stream that...
>
> Real time would probably need some serious RAM and cpu, and you'd better
> be sure it won't bury your CPU if the site gets hit...
>
> Lots of testing.