[FFmpeg-user] using atempo in PHP

[Tom Evans]

On Mon, Oct 15, 2012 at 11:08 AM, Jevlachov D. <jevlachov at gmail.com> wrote:
> Can't figure out how to use atempo properly.
>
> part of the script looks like this:
>
> echo shell_exec("ffmpeg -y -i original.mp3 -filter:a
> atempo=1.5 converted.mp3 2>ffmpeg.log &");
>
> (example code taken from here
> http://ffmpeg.org/trac/ffmpeg/wiki/Using%20FFmpeg%20from%20PHP%20scripts)
>
> It returns "sh: line 1: converted.mp3: command not found" in log file.
>
> Thanks!

That sounds more like you can't figure out how to use PHP properly
tbh. Put another way, you're not even running ffmpeg yet..

Is there not a PHP command that allows you to specify the command and
arguments as an array, bypassing all that shell nonsense?

Cheers

Tom