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Old 12-16-2006, 02:59 PM   #46
lilman1
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were do i enter the code
 
Old 12-16-2006, 03:00 PM   #47
lilman1
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how can i change my mp4 into a mp3
 
Old 12-16-2006, 03:01 PM   #48
lilman1
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how can i change my mp4 song into a mp3 song
 
Old 12-17-2006, 10:02 PM   #49
Steel_J
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Very good idea. I added it myself.
 
Old 12-17-2006, 10:07 PM   #50
Steel_J
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Mr.Lliman1 you will need basic computer knowledge to use a simple script.

This thread is about a script to convert m4a files to mp3.

If you want to convert mp4 songs then the script is the same but I would change the content as followed:

#!/bin/bash
#
# mp4 to mp3 and tag transfer
# for music from iPod

# This software is licensed under the GNU General Public License
# For the full text of the GNU GPL, see:
#
# http://www.gnu.org/copyleft/gpl.html
#
# No guarantees of any kind are associated with use of this software.

#requirements: faad, lame

#Begin
clear

# variables
version=0.1a

current_directory=$( pwd )

for i in *.mp4
do
faad "$i"
x=`echo "$i"|sed -e 's/.mp4/.wav/'`
y=`echo "$i"|sed -e 's/.mp4/.mp3/'`
faad -i "$i" 2>.trackinfo.txt
sed -i '23s/unknown: /title: /' .trackinfo.txt
sed -i '24s/unknown: /artist: /' .trackinfo.txt

year=` grep '^unknown:[[:space:]]*[[:digit:]]*[[:space:]]*$' .trackinfo.txt|sed -e 's/unknown: //'`
sed -i 's/^unknown:[[:space:]]*[[:digit:]]*[[:space:]]*$/year: /' .trackinfo.txt

#If you get year problems use this instead
#year=`grep 'date: ' .trackinfo.txt|sed -e 's/date: //'`

sed -i 's/unknown: iTunes/iTunes: iTunes/' .trackinfo.txt

genrecount=`grep -c 'genre: ' .trackinfo.txt`
unknowncount=`grep -c 'unknown: ' .trackinfo.txt`

if [ "$genrecount" -eq 1 ] && [ "$unknowncount" -eq 2 ]; then
sed -i '25s/unknown: /composer: /' .trackinfo.txt
sed -i '26s/unknown: /album: /' .trackinfo.txt
genre=`grep 'genre: ' .trackinfo.txt|sed -e 's/genre: //'`
fi

if [ "$genrecount" -eq 1 ] && [ "$unknowncount" -eq 1 ]; then
sed -i '25s/unknown: /album: /' .trackinfo.txt
genre=`grep 'genre: ' .trackinfo.txt|sed -e 's/genre: //'`
fi

if [ "$genrecount" -eq 0 ] && [ "$unknowncount" -eq 3 ]; then
sed -i '25s/unknown: /composer: /' .trackinfo.txt
sed -i '26s/unknown: /album: /' .trackinfo.txt
sed -i '27s/unknown: /genre: /' .trackinfo.txt
genre='other'
fi

if [ "$genrecount" -eq 0 ] && [ "$unknowncount" -eq 2 ]; then
sed -i '25s/unknown: /album: /' .trackinfo.txt
sed -i '26s/unknown: /genre: /' .trackinfo.txt
genre='other'
fi

title=`grep 'title: ' .trackinfo.txt|sed -e 's/title: //'`
artist=`grep 'artist: ' .trackinfo.txt|sed -e 's/artist: //'`
album=`grep 'album: ' .trackinfo.txt|sed -e 's/album: //'`
track=`grep 'track: ' .trackinfo.txt|sed -e 's/track: //'`

lame --alt-preset 192 --id3v2-only --tt "$title" --ta "$artist" --tl "$album" --tg "$genre" --tn "$track" --ty "$year" "$x" "$y"
rm .trackinfo.txt
rm "$x"
mv "$y" "$artist - $title - $album.mp3"
rm "$i"
done

#If you get bad characters errors use this instead
#rm "$x"
#artist=`echo $artist | sed -e 's/\//_/'`
#mv "$y" "$artist - $title.mp3"
#rm $i
#done
 
Old 12-29-2006, 05:29 PM   #51
scotth20
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script to convert m4a, wma or ogg to mp3

This script will convert all files with the given extension to mp3 files:

usage tomp3.sh wma (converts all wma files to mp3)
This script needs mplayer, lame and transcode to work, so you will
need the appropriate packages.

Just put this in your executable path somewhere....

-------------------------------------------------------------
remove_spaces=1

tmp_file="/tmp/pcm_audio"

function rm_spaces() {
mv "$1" `echo $1 | tr ' ' '_'`
}

function tomp3() {
ext=$1

for i in *.$ext
do
if [ -f "$i" ]; then
dest=`basename "$i" .$ext`

if [ "$ext" = "ogg" ]; then
echo "Encoding $i to "$dest".mp3"
transcode -q 0 -i "$i" -o "$dest" -y null,lame 2>/dev/null
else
rm -f "$tmp_file"
mkfifo "$tmp_file"

#echo "Ripping $i"
mplayer -quiet -vo null -vc dummy -af volume=0,resample=44100:0:1 -ao pcm:waveheader:file="$tmp_file" "$i" &>/dev/null &

echo "Encoding $i to "$dest".mp3"
lame --quiet -m s -h -b 192 -V0 --vbr-new "$tmp_file" "$dest".mp3

# remove temp file
rm -f "$tmp_file"

fi
# remove spaces
if [ $remove_spaces -eq 1 ]
then
rm_spaces "$dest".mp3
fi
fi
done

echo "done."
}

case "$1" in
ogg)
tomp3 ogg
;;
wma)
tomp3 wma
;;
m4a)
tomp3 m4a
;;
*)
echo "Usage: tomp3.sh m4a|wma|ogg"
exit 1
esac

exit 0
 
Old 01-24-2007, 01:39 PM   #52
josephmc
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Registered: Feb 2004
Location: Texas
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great script! you don't really need to move the files at the end. i just let the filename stay the same. if you do change it you need to make sure trakes < 10 have a 0 in front of it for sorting. has ANYBODY found a real configurable script for the written in perl or something of the like?
 
Old 01-25-2007, 07:46 AM   #53
ungua
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i haven't tried the script yet, but would like to do that soon. still, i'd prefer a program with interface. can anyone provide that!?

regards
ungua
 
Old 02-19-2007, 11:14 AM   #54
scm86
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Location: Florida
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If you haven't used one of the scripts yet, you should try the first one. There is no need for a GUI, all you have to do is fire up the script and let it crawl through your files, making them into mp3's.

I had to modify the script to get it to transcode my m4a's, but that was a 30 second find/replace with kwrite, otherwise is the exact same as was posted above.

http://mlinks.net/~scottm/m4a_to_mp3.sh

To use it:
0) Save the file above.
1) Place it in the same folder as the audio files you wish to transcode, or copy them into the folder containing the script.
2) From a terminal as normal user: chmod +x m4a_to_mp3.sh
3) Still in the terminal: ./m4a_to_mp3.sh
4) Sit back and watch, then enjoy your mp3's.

Note that this does replace the m4a files, so if you want to keep them as m4s'a as well, backup them up somewhere.

Hope this helps someone, the script was really handy to me!

Scott McNeely

Last edited by scm86; 02-19-2007 at 11:17 AM.
 
Old 07-07-2007, 03:58 AM   #55
sblob
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Registered: Jul 2007
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SteelJ, thank you very much for all of the time that you spent on the script. I have used it for the basis for another script which handles recursively walking a directory and alternative directory names. If anyone is interested I have posted it:
(sorry I would have posted it here but it got very long)
 
Old 07-07-2007, 03:58 AM   #56
sblob
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Registered: Jul 2007
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(Sorry about the double post, limitation of the site prevented me from posting the URL)

SteelJ, thank you very much for all of the time that you spent on the script. I have used it for the basis for another script which handles recursively walking a directory and alternative directory names. If anyone is interested I have posted it:
http://www.minigeek.org/index.php/20...ript/#more-116

(sorry I would have posted it here but it got very long)

Last edited by sblob; 07-07-2007 at 04:00 AM. Reason: fixed URL
 
Old 07-07-2007, 07:18 PM   #57
Steel_J
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Thanks man,

I dowloaded it and will use this one instead of the old one.
 
Old 07-08-2007, 08:58 AM   #58
XavierP
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Quote:
Originally Posted by sblob
(Sorry about the double post, limitation of the site prevented me from posting the URL)
Feature of the site. It is by design rather than by accident.
 
Old 10-22-2007, 09:41 PM   #59
love mp3
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I have used a similar tool called M4A to MP3 Converter whihc work on windows, but not on linux.
 
Old 11-27-2007, 04:45 AM   #60
hoodooman
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You could just install libmp4 and ecasound.If you want to convert to .mp3 just run in the folder containing the files ecaconvert .mp3 *.mp4.Simple.Change the .mp3 to .wav .flac .ogg depending on what output you need.
 
  


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