RE: Re: Can Netjuke create MP3s on the fly?

Thanks for the info, got this basically working well enough for now.  I
submitted an RFE relative to this, BTW (707815) -- I think there is a
nice way to support this in an extensible way without too much headache.


Will

> -----Original Message-----
> From: [email protected] [mailto:netjuke-users-
> [email protected]] On Behalf Of Will Meyer
> Sent: Friday, March 21, 2003 9:20 AM
> To: Matthias Mikuletz; [email protected]; WillMeyer
> Subject: Re: Re: [Netjuke-users] Can Netjuke create MP3s on the fly?
> 
> Cool, that was fast -- will give it a shot, but the basic idea seems
> straightforward.  Thanks!
> 
> Will
> 
> -------Original Message-------
> From: Matthias Mikuletz <[email protected]>
> Sent: 03/21/03 09:11 AM
> To: [email protected], WillMeyer
> <[email protected]>
> Subject: Re: [Netjuke-users] Can Netjuke create MP3s on the fly?
> 
> >
> > Will Meyer <[email protected]> schrieb am 21.03.03 14:45:45:
> >
> > My music collection is all FLAC, which I listen to directly at home.
If
> I set up Netjuke, is there a way to
> > configure it to generate MP3s from FLAC dyamically, maybe
pre-caching
> whole albums or something but in > essence a way to keep a lossless
format
> for most purposes and just get it to stream out MP3s for listening
> > over lower-bandwith WAN connections?  Is the code set up to be able
to
> write a plugin for such without too > much trouble?
> 
> Hi Will,
> 
> I have used a former hint from the mailing list to set up netjuke to
> transcode mp3's on the fly to a lower bitrate for a single user.
> In this setup you can easily replace the 'transcode' thing with an
> 'encode' thing.
> Well, as long as your machine is powerful enough.
> And if you like to have it be done unconditionally, you can just leave
out
> the bit with the user; and you would have to replace the *.mp3 with
*.flc
> or whatever the suffix for FLAC's is.
> 
> It goes like this:
> 
> diff netjuke/play.php netjuke/play.php.orig :
> 
> 88,101c88,91
> <
> < # this is disabled - we go for resampling
> < #      if (!strstr($tr_location,"://")) $tr_location  =
> WEB_PATH."/".$tr_location;
> <
> < # new code
> <       if (($NETJUKE_SESSION_VARS["email"] == "[email protected]") &&
> (strstr($tr_location,".mp3"))) {
> <               if (!strstr($tr_location,"://")) $tr_location  =
> WEB_PATH."/playmp3.php?mp3file=".$tr_location;
> <               $tr_location = separatorCleanup($tr_location);
> <       }
> <       else {
> <               if (!strstr($tr_location,"://")) $tr_location  =
> WEB_PATH."/".$tr_location;
> <               $tr_location = separatorCleanup($tr_location);
> <       }
> <
> ---
> >       if (!strstr($tr_location,"://")) $tr_location  =
> WEB_PATH."/".$tr_location;
> >
> >       $tr_location = separatorCleanup($tr_location);
> 
> Basically this just calls playmp3.php with the approriate parameter if
the
> user name is as specified and the file is an MP3.
> 
> Additionally you need netjuke/playmp3.php which goes like this:
> 
> <?
> 
> $filename = $_REQUEST['mp3file'];
> 
> $bitrate = 64; // desired streaming bitrate
> header("Content-type: audio/mp3");
> set_time_limit(1800); // maximum length of a song
> 
> echo passthru("/usr/bin/lame -b $bitrate -f --silent
> \"/srv/www/netjuke/$filename\" - ");
> 
> ?>
> 
> Here you can see the transcoding command. Just replace it with
anything
> appropriate.
> (Maybe you' ll have to de-flac and then encode to mp3 in a pipe.)
> 
> Have fun
> Matthias
> 
> ps Just drop me an e-mail if you've got some question on the
> above.
> 
>
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