Remuxing m4a radio files for digital audio player

[batguano999]

> 
>>It seems that the Windows version of MP4Box 
>>does need both INPUT and OUTPUT. 
> 
>Actually batguano99, I am not seeing this on WinVista SP2 x86; 

>Using a 32bit Windows build of MP4Box 
>( GPAC version: 0.5.1-DEV-rev4214), I 
>input a GiP recorded audio file and ran: 
> 
>mp4box -ipod gip.m4a 
> 
>Input file was processed and output file overwrote it...


Hi Vangelis
I've just tried again with Windows XP and MPBox-version 0.4.6-DEV
$ MP4Box -ipod foo.m4a
and it worked OK with overwrite as you said.

Previously I might have goofed using the Windows command line. :-(