Internet tips & tricks world

EXT="m4a";
a=`echo $1 | sed -s "s/\.m4a//g"`;
DIR="mp3"

if [ ! -d "$DIR" ]; then
mkdir mp3
fi

echo "#############################################"
echo converting $a
echo command: ffmpeg -i "$1" -id3v2_version 3 -write_id3v1 1 -map_metadata 0:g:0 -acodec libmp3lame -ar 44100 -ab 224k -y -metadata date="2012" -metadata copyright="" "mp3/$a.mp3"
echo "#############################################"

#ffmpeg -i "$1" -map_metadata 0:g:0 -acodec libmp3lame -ar 44100 -ab 224k -y "$a.mp3"
ffmpeg -i "$1" -id3v2_version 3 -write_id3v1 1 -map_metadata 0:g:0 -acodec libmp3lame -ar 44100 -ab 224k -y -metadata date="2012" "mp3/$a.mp3"
#echo ffmpeg -i "$1" -map_metadata 0:g:0 -acodec libmp3lame -ar 44100 -ab 224k -y "$a.mp3"

Windows	iTunes (Info tab)	id3v2.3	ffmpeg key	ffmpeg example
Title	Title	TIT2	title	-metadata title=”Adagio for Strings”
Subtitle	Description (Video tab)	TIT3	TIT3	-metadata TIT3=”Op. 91″
Rating	n/a	n/a	n/a	n/a
Comments	Comments	COMM	n/a	not implemented
Contributing artists	Artist	TPE1	artist	-metadata artist=”Yo Yo Ma/London Symphony”
Album artist	Album Artist	TPE2	album_artist	-metadata album_artist=”London Symphony”
Album	Album	TALB	album	-metadata album=”String Classics”
Year	Year	TYER	date	-metadata date=”2012″
#	Track Number	TRCK	track	-metadata track=”3/12″ (means track number 3 of 12)
Genre	Genre	TCON	genre	-metadata genre=”Classical”
Publisher	n/a	TPUB	publisher	-metadata publisher=”London Publishing”
Encoded by	n/a	TENC	encoded_by	-metadata encoded_by=”Telarc”
Author URL	n/a	WOAR	n/a	not implemented
Copyright (Not Editable)	n/a	TCOP	copyright	-metadata copyright=”℗ Telarc”
Composers	n/a	TCOM	composer	-metadata composer=”J.S. Bach”
Conductors	n/a	TPE3	performer	-metadata performer=”T. S. Miles”
Group description	Grouping	TIT1	TIT1	-metadata TIT1=”The Classics”
Mood	n/a	n/a	n/a	n/a
Part of set	Disc Number	TPOS	disc	-metadata disc=”1/2″ (means disc number 1 of 2)
Initial key	n/a	TKEY	TKEY	-metadata TKEY=”G”
Beats-per-minute	BPM	TBPM	TBPM	-metadata TBPM=”120″
Part of a compilation	Part of a compilation	TCMP	TCMP	-metadata TCMP=”1″ (either blank = false or 1 = true)

*table source: http:// jonhall. info / how_to / create_id3_tags_using_ffmpeg
well done dude. 🙂

use as script:

or .flac

echo "" > con_vert.sh;chmod 755 con_vert.sh;ls  *.m4a| while read line; do echo ./convert.sh \"$line\" >> con_vert.sh;done;./con_vert.sh ;rm con_vert.sh;