I'm SURE you've got a good reason, but why are you wanting to generate a WAV
on demand? The loss in file quality occurs going from WAV > MP3, so then
later going back to WAV would only result in a bigger file size, with ZERO
benefit in audio quality.
Just asking :)
Justin
on 26/10/02 4:53 PM, [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote:
> I've written a little script for VoiceXML applications to generate a WAV
> from an MP3 on demand:
>
> #file wavwrapper.php
> <?
> header('Content-Type: audio/wav');
> $filename = $_GET['filename'];
>
> $mp3dir="/var/www/mp3s/";
> $playercmd="/usr/local/bin/mpg123 -m -w - -q -4 --8bit";
> passthru("$playercmd $mp3dir/$filename 2> /tmp/playererror");
> ?>
>
>
> I request it as wavwrapper?filename=song.mp3, and the browser reads the
> MIME type properly, prompts me to play or download the song. I download
> it, and save it as a WAV file. However, Mozilla downloads about 1.5M of
> data, saves it all to a file, and then displays the downloaded size as
> 1k. And then when I try to play it back, it won't play; it's like an
> empty file. Same thing happens if I try to play it directly. But if I
> redirect the output of mpg123 from standard out (so it goes across the
> web connection) to a file and then download the file, the file plays
> just fine. I figure there's something to do with the way PHP dumps back
> the binary data that just isn't working right, but I don't know what it
> is. Anyone have any ideas?
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