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‎.gitignore

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*~
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*.o
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cutmp3

‎BUGS

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cutmp3 may crash with segmentation fault in pause seeking.
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This will hopefully be fixed when fading is implemented.

‎COPYING

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Large diffs are not rendered by default.

‎Changelog

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version 1.8.4:
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added manpage thanks to Marc O. Gloor
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version 1.8.3:
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fixed major crash, nobody bothered?
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version 1.8.2:
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temporary files are mostly being removed after usage
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fixed bug in tag editing
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version 1.8.1:
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fixed a bug in case of invalid data after a ID3 V2 tag, reported by Byron F. Martin
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version 1.8:
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on setting endpoint and after seeking end of silence, file is being played up to this point
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greatly improved ID3 V1 + V2 tag import/export/copying and file naming
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version 1.7:
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added ID3 V2 tag (<2.4.10) seeking
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improved file naming for "save with tag"
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copies ID3 V2 tag when useful
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version 1.6.4:
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file info also shows ID3 V1 tag
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ID3 V1 tag is being imported
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version 1.6.3:
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'i' shows file info
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fixed a time bug in exact mode
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'o' overwrites existing file the next time
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version 1.6.2:
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switched to four digit numbers
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smarter saving with ID3 tags
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version 1.6.1:
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fixed a small bug in silence seeking reported by Nick Simicich
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speeded up silence seeking, hopefully did not introduce new bugs with this
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version 1.6:
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better handling of large ID3 V2 tags
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beginning of sound is now displayed as 0:00 as it should
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more output for -F switch
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fixed time counting in exact mode
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fixed time display in exact mode
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improved silence seeking
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verbose writing of configuration file
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version 1.5.2:
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no more minimum filesize
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fixed framesize calculation
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fixed frame counting method
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fixed finding of first valid frame
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version 1.5.1:
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fixed some small bugs in timetable cutting reported by Don Rozenberg
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version 1.5:
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added switch to only print sampling frequency and total number of frames
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added switch to write to an exactly specified filename
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fixed a bug which caused a crash
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several translations were added
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added usage of configuration file for silence length, silence volume, quiet mode and soundcard number
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version 1.4:
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added function to search for beginning of next silence
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silence seeking stops when silence is already much longer than wanted
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noninteractive cutting now supports higher time resolution
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added support for output to other soundcard
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version 1.3:
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when saving with (already included) tag, filename is $artist - $title.mp3
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fixed a bug in tag seeking
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fixed a bug which made it impossible to write many files
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code cleanups
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version 1.2:
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improved stability of silence seeking a lot
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some other small changes
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version 1.1.1:
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fixed another bug in silence seeking
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version 1.1:
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introduced a quiet mode, toggable with '#'
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introduced an exact mode, useful for VBR files!
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cutmp3 does not wait anymore until playback has finished
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rewrite of prevframe() and nextframe(), much better and more elegant now
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detected another bug in mpglib.c, needs to be resolved
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version 1.0:
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finally(?!) fixed the bug in silence seeking which was a too small malloc() in InitMP3() in mpglib.c
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another speed improvement in silence seeking
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website was updated to celebrate version 1.0 ;-)
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version 0.9.6:
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fixed some nasty bugs in silence seeking, still not perfect however
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improved ID3 tag searching
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small changes in the UI
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version 0.9.5:
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huge speed improvement in silence seeking
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version 0.9.4:
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made non-interactive cutting exact even for VBR files!
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distinction between VBR and CBR in info mode -I
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version 0.9.3:
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fixed small bug in savewithtag()
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improved determination of average bitrate
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version 0.9.2:
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added seek to end of next ID3 v1 tag
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version 0.9.1:
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improved error correction
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version 0.9:
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improved ID3 input a lot via libreadline
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added configurable silence detection via mpglib
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improved prevframe() and nextframe(), still not perfect
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version 0.7:
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Framesize() is now calculated correct
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added first ID3 tag support
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version 0.6:
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does not display 60 seconds anymore
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w is shortcut for bsa
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displays time after/before startpoint
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fixed internal seeking mechanism (again)
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added MPEG2.5 support
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introduced -I for file information
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added KDE support
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version 0.5:
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improved mp3 seeking mechanism a lot, should be nearly errorfree
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finally cutmp3 officially supports VBR!
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version 0.4.1:
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minor bugfix for error messages
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version 0.4:
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A and B go to startpoint and endpoint.
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outputfiles are not overwritten anymore
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introduced -a <time> -b <time> for a more handy batching as requested
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introduced -o <prefix> for other outputprefix than "result" as requested
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uses glibc getopt() for better commandline parsing now
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version 0.3:
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supports timetable for semiautomatic cutting
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officially supports files > 2GB
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now compiles using $CFLAGS
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version 0.2:
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initial public release
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accidentally supports files > 2GB ;-)
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‎Makefile

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NAME=cutmp3
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VERSION=1.8.4
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PREFIX=/usr
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BINDIR=${PREFIX}/bin
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DATADIR=${PREFIX}/share
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MANDIR=${PREFIX}/share/man/man1
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DOCDIR=${DATADIR}/doc/${NAME}-${VERSION}
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all:
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@echo -e "\n\n*** You need readline-devel, ncurses-devel or similar to compile ${NAME} ***\n*** Maybe you want to try the binary on compile failures? ***\n\n"
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gcc -O ${CFLAGS} -c mpglib.c
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gcc -O ${CFLAGS} -c main.c
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gcc main.o mpglib.o -o ${NAME} -lm -lreadline -lncurses
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i386:
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gcc -Wall -O -c mpglib.c
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gcc -Wall -O -c main.c
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gcc main.o mpglib.o -o ${NAME} -lm -lreadline -lncurses
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clean:
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rm -f *.o
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rm -f ${NAME}
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install:
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install -d ${BINDIR}
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install ${NAME} ${BINDIR}
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if [ ! -z "${KDEDIR}" ]; then install -m 644 ${NAME}.desktop ${KDEDIR}/share/apps/konqueror/servicemenus; fi
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install -d ${MANDIR}
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install -m 644 cutmp3.1.gz ${MANDIR}
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install -d ${DOCDIR}/${NAME}
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install -m 644 README* USAGE ${DOCDIR}/${NAME}
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uninstall:
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rm -f ${BINDIR}/${NAME}
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rm -f ${KDEDIR}/share/apps/konqueror/servicemenus/${NAME}.desktop
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debug:
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gcc -g -Wall -O -c mpglib.c
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gcc -g -Wall -O -c main.c
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gcc main.o mpglib.o -o ${NAME} -lm -lreadline -lncurses

‎README

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This is a small program to edit mp3 files without quality loss.
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Playback is realized via mpg123, so be sure to have it installed or at least
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have a symlink to your favorite mp3 playing program.
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I recommend a symlink to mpg321 which works better!
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You can mark beginning and end of a segment with 'a' and 'b' and save the
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segment with 's'.
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Using a timetable or direct times with VBR files delivers exact(!)
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results at the cost of slightly lower speed.
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cutmp3 even works with files bigger than 2 GB!
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If you want a working graphical software you can try mp3directcut,
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which runs fairly well in WINE after I asked the author about a WINEd version.
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Compile cutmp3 with a simple
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make (you will need readline-devel or similar!)
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install it to /usr/bin with
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make install
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Please read "USAGE" on detailed info on how to use cutmp3.
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If you experience any trouble with a specific file, please contact me!
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Maybe this program is useful for you.
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Feel free to modify and distribute it under the license restrictions of the GPL.
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See file COPYING for further information.
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Send bugreports, comments, suggestions to < mail -at- puchalla-online.de >
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Jochen Puchalla, April 2005

‎README.timetable

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NOTE: The options -a and -b override a given timetable
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A timetable should look like this,
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the format is always:
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startpoint endpoint
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startpoint endpoint
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like:
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---- 8< cut here ----
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0:01 1:00
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1:05 3:57
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11:15 19:33
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01:01.34 02:39.78
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---- 8< cut here ----
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The ':' is mandatory!
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So writing a timetable should not be difficult, just use your common sense ;-)
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Since cutmp3 1.4 you _can_ use hundredths of a second in a timetable.

‎TODO

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tell me :-)
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fading
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remove /tmp things

‎USAGE

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By calling "cutmp3" you will get this:
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cutmp3 version 1.8.4
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Usage: cutmp3 -i file.mp3 [-a inpoint] [-b outpoint] [-f timetable] [-o outputprefix] [-e] [-q]
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cutmp3 -i file.mp3 -a 0:37 -b 3:57 copies valid data from 0:37 to 3:57
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cutmp3 -i file.mp3 -f timetable copies valid data described in timetable
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cutmp3 -i file.mp3 -o song writes the output to song0001.mp3, song0002.mp3,...
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cutmp3 -i file.mp3 -O song.mp3 writes the output to song.mp3
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cutmp3 -i file.mp3 -d 2 use second sound card
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cutmp3 -I file.mp3 [-F] prints file information [in raw mode]
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So this means you have to type
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cutmp3 -i file.mp3
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to edit the file named "file.mp3" interactively:
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With the keys 12345 you can rewind, with the keys 67890 you can go forward.
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'0' means 10mins forward, '9' is 1min forward, '8' is 10secs forward, '7' is 1sec forward
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and '6' is 1/10sec forward. Keys '1' to '5' go symmetrically back (so '1' means 10mins back).
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When you are at the starting position of your part of interest, press the key 'a'.
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When you are at the last position of your part of interest, press the key 'b' (What you hear
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after typing 'b' will then be the last second inside the new file).
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By typing 's' the resulting file will be written to result0001.mp3. If it already exists,
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cutmp3 will increase the number to result0002.mp3, result0003.mp3 and so on.
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-e switches on exact searching mode, useful for VBR files (-a -b and -f always use the exact mode)
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-q switches on quiet mode, cutmp3 won't make any sound, useful for debugging
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and piped commands like: "echo 7a9bsq | cutmp3 -i file.mp3"
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*** CLEVER KEYCODES IN cutmp3: ***
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You can seek to the end of the next silence by pressing 'p' (for pause)
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or to its beginning by pressing 'P'.
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By default the silence should last for 1000 milliseconds, which is one second,
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and the maximum volume during this second is the minimum: 1 (whatever that is in dB).
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You can change
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- the length of the silence by pressing 'n' or 'm' and
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- the maximum volume during this silence by pressing '+' or '-'.
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You can seek to the next ID3 tag by pressing 'T'. This is useful in
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case someone has merged several mp3s into one file without removing the ID3-tags.
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For other useful keycodes type 'h' in cutmp3.
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By typing:
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cutmp3 -i file.mp3 -o blah
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the resulting files will be written to blah0001.mp3, blah0002.mp3, blah0003.mp3 and so on.
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If you only want to cut a file once and you know the times for start and the end, you type:
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cutmp3 -i file.mp3 -a 0:37 -b 1:25
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and cutmp3 will write the passage in file.mp3 starting at 0:37 and ending at 1:25 to blah01.mp3
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If you want to cut a file more often, you need to create a file which contains a timetable and type:
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cutmp3 -i file.mp3 -f name_of_the_timetablefile
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Please read README.timetable for details.
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NEW: You can use the second soundcard by typing
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cutmp3 -i file.mp3 -d 2
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cutmp3 -F -I file.mp3
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only prints total number of frames, sampling frequency, number of channels, average bitrate,
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MPEG version and total time in milliseconds, in this order
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If you want to clean an MP3 from any data that is not sound, just use:
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cutmp3 -i infile.mp3 -a 0:0 -b 99999:0
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Cutting in interactive mode does _not_ remove invalid data!
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cutmp3 only accepts one inputfile, so using wildcards like '?' or '*' in filenames
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will result in editing only the first file that matches.

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