MP4 -> M4A -> MP4 scripts

"N Sharp" <[email protected]>
Newsgroups gmane.comp.ipod.ephpod
Message-ID <[email protected]>
I don't know about y'all, but it got to be a pain switching my AAC files' 
extensions back and forth to use either WinAmp to play them or Ephpod to 
transfer them.  So, I wrote a pair of Windows batch files to switch back and 
forth, depending on what application I'm running.  All they do is search 
from the directory specified in the script, recursively, and rename the file 
extensions on all MP4/M4A files.

---------------------------------------------------
ToM4A.bat
---------------------------------------------------
@Echo off
REM
REM Batch file to convert all *.mp4 file extensions to *.m4a
REM so that the files can be copied into EphPod and onto my iPod.
REM
REM Created by Neil Sharp
REM Last updated on 2003/05/12

echo Converting AAC files to M4A file extensions for transferring to the 
iPod...
FOR /R "C:\iPod Music Library\AAC" %%i IN (*.mp4) DO move /Y "%%i" 
"%%~pi%%~ni.m4a"
---------------------------------------------------

---------------------------------------------------
ToMP4.bat
---------------------------------------------------
@Echo off
REM
REM Batch file to convert all *.m4a file extensions to *.mp4
REM so that the files can be played in Quicktime, NeroMix or WinAmp.
REM
REM Created by Neil Sharp
REM Last updated on 2003/05/12

echo Converting AAC files to MP4 file extensions for playing on the PC...
FOR /R "C:\iPod Music Library\AAC" %%i IN (*.m4a) DO move /Y "%%i" 
"%%~pi%%~ni.mp4"
---------------------------------------------------

Note that these work on my WinXP Pro system.  They may or may not work on 
previous versions of Windows, due to the "/R" switch on the FOR command.

Also, note that I use Nero to make my AAC files; therefore, renaming the 
extension is all that is needed.

I would assume you could just add another line at the bottom to start WinAmp 
or Ephpod as well.

Hope that helps someone else,

Neil

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