glitching images & movies with audio effect using sox

Some tutorial will be here soon, but for now, this script that glitches your video file.

Requires bash, ffmpeg & sox.

#!/bin/bash

# SOCKS0FF glitcher
# ffmpeg->imagemagick->sox->ffmpeg

# by nova@deviator.si | http://deviator.si

# -----------------------------------------------------------------------

# some settings. change these to get different results.


# which image type you want to use for glitching?
# very good one is a simple PPM. can also be tiff.
IMGEXT="ppm"

# raw file interpretation by sox
RAWFILEOPTS="-e unsigned -r 44100 -b 8 -c 2"

# sox effect
#SOXEFFECT="echo 1 0.9 700 0.9" 
SOXEFFECT="pitch 4.5"
#SOXEFFECT="phaser 1 0.15 0.1 0.9 0.6"
#SOXEFFECT="chorus 0.5 0.9 50 0.4 0.25 2 -t 60 0.32 0.4 2.3 -t 40 0.3 0.3 1.3 -s"
#SOXEFFECT="chorus 0.9 1 50 0.4 0.25 0.1 -t 60 0.32 0.4 0.2 -t 40 0.3 0.3 0.5 -s"
#SOXEFFECT="earwax"
#SOXEFFECT="flanger 30 10 -9 100 0.1 sin 50 lin gain 3"
#SOXEFFECT="overdrive 20 10"
#SOXEFFECT="stretch 2"
#SOXEFFECT="stretch 1.004"
#SOXEFFECT="stretch 1.02"
#SOXEFFECT="tempo -l 0.7 120 30"
#SOXEFFECT=""

# image header size in bytes - it will be preserved in new file
HEADERSIZE=400


echo "---[ STARTING SOXOFF! ]----------------------------------"

# check existence of input argument
# the $# variable will tell you the
# number of input arguments the script was passed. 
if [ $# -eq 0 ]
  then
    echo "Error. No arguments supplied."
    exit 1
fi


# get this session's "ID"
SID=`date +%Y%m%d_%H%M%S`

# create folder for this session
DIR=soxoffd_$SID
echo "+++ creating folder $DIR ..."
mkdir $DIR

# create tmp folder
echo "+++ creating folder $DIR/tmp/ ..."
mkdir $DIR/tmp/

echo "+++ extracting all frames as images..."
echo
echo "----------------------------------------------------------"
echo
ffmpeg -i $1 $DIR/tmp/frame%5d.$IMGEXT


echo 
echo "----------------------------------------------------------"
echo "+++ processing each image..."

for i in $DIR/tmp/*.$IMGEXT
do
    echo "---[ $i "

    # fetch original file size
    FILESIZE=`stat -c%s $i`

    echo "+++ soxing with $SOXEFFECT ... "
    sox -t raw $RAWFILEOPTS $i -t raw $RAWFILEOPTS $i.soxed $SOXEFFECT

    echo "+++ fixing headers..."
    head -c $HEADERSIZE $i > $i.header
    head -c $FILESIZE $i.soxed > $i.trimmed
    tail -c `expr $FILESIZE - $HEADERSIZE` $i.trimmed >> $i.header
    mv $i.header $i
    rm $i.soxed $i.trimmed


    echo
done

echo
echo "----------------------------------------------------------"
echo "+++ putting frames back into a movie ... "
ffmpeg -i $DIR/tmp/frame%5d.$IMGEXT $DIR/$SID_$1

echo
echo "+++ removing temporary folder ..."
rm -rf $DIR/tmp/

echo
echo "---[ end of the program. ]---"

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#!/bin/bash

# SOCKS0FF glitcher

# ffmpeg->imagemagick->sox->ffmpeg

# by nova@deviator.si | http://deviator.si

# -----------------------------------------------------------------------

# some settings. change these to get different results.

# which image type you want to use for glitching?

# very good one is a simple PPM. can also be tiff.

IMGEXT="ppm"

# raw file interpretation by sox

RAWFILEOPTS="-e unsigned -r 44100 -b 8 -c 2"

# sox effect

#SOXEFFECT="echo 1 0.9 700 0.9"

SOXEFFECT="pitch 4.5"

#SOXEFFECT="phaser 1 0.15 0.1 0.9 0.6"

#SOXEFFECT="chorus 0.5 0.9 50 0.4 0.25 2 -t 60 0.32 0.4 2.3 -t 40 0.3 0.3 1.3 -s"

#SOXEFFECT="chorus 0.9 1 50 0.4 0.25 0.1 -t 60 0.32 0.4 0.2 -t 40 0.3 0.3 0.5 -s"

#SOXEFFECT="earwax"

#SOXEFFECT="flanger 30 10 -9 100 0.1 sin 50 lin gain 3"

#SOXEFFECT="overdrive 20 10"

#SOXEFFECT="stretch 2"

#SOXEFFECT="stretch 1.004"

#SOXEFFECT="stretch 1.02"

#SOXEFFECT="tempo -l 0.7 120 30"

#SOXEFFECT=""

# image header size in bytes - it will be preserved in new file

HEADERSIZE=400

echo "---[ STARTING SOXOFF! ]----------------------------------"

# check existence of input argument

# the $# variable will tell you the

# number of input arguments the script was passed.

if [ $# -eq 0 ]

then

echo "Error. No arguments supplied."

exit 1

# get this session's "ID"

SID=`date +%Y%m%d_%H%M%S`

# create folder for this session

DIR=soxoffd_$SID

echo "+++ creating folder $DIR ..."

mkdir $DIR

# create tmp folder

echo "+++ creating folder $DIR/tmp/ ..."

mkdir $DIR/tmp/

echo "+++ extracting all frames as images..."

echo

echo "----------------------------------------------------------"

echo

ffmpeg -i $1 $DIR/tmp/frame%5d.$IMGEXT

echo

echo "----------------------------------------------------------"

echo "+++ processing each image..."

for i in $DIR/tmp/*.$IMGEXT

echo "---[ $i "

# fetch original file size

FILESIZE=`stat -c%s $i`

echo "+++ soxing with $SOXEFFECT ... "

sox -t raw $RAWFILEOPTS $i -t raw $RAWFILEOPTS $i.soxed $SOXEFFECT

echo "+++ fixing headers..."

head -c $HEADERSIZE $i > $i.header

head -c $FILESIZE $i.soxed > $i.trimmed

tail -c `expr $FILESIZE - $HEADERSIZE` $i.trimmed >> $i.header

mv $i.header $i

rm $i.soxed $i.trimmed

echo

done

echo

echo "----------------------------------------------------------"

echo "+++ putting frames back into a movie ... "

ffmpeg -i $DIR/tmp/frame%5d.$IMGEXT $DIR/$SID_$1

echo

echo "+++ removing temporary folder ..."

rm -rf $DIR/tmp/

echo

echo "---[ end of the program. ]---"

sound, noise, music & new media

glitching images & movies with audio effect using sox

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