movie layerinr with imagemagick, shell script

blurmachine.sh

#Script to make blurred or multi frame movies.

# EXPORT MOVIES TO SEQUENCE OF INDIVIDUAL FRAMES
# ffmpeg -i yourmovie.avi -sameq ../Outputdir/frame%4d.jpg
# names the frames as frame0001.jpg, frame0002.jpg, etc.
# for long movies use %5d.jpg

# AUDIO EXTRACTION
# ffmpeg -i movieA.mp4 movieAsound.wav
# ffmpeg -i movieB.mp4 movieBsound.wav
# AUDIO MIX
# sox -m movieAsound.wav movieBsound.wav mixedsound.mp3

#choose directories or prefixes.
DA="g";
DB="h";
# for four digit numbers with leading zeroes, counter needs to start as five digit #
# then remove the left most digit.
counter=10000
# for f in $DF/*.jpeg; do
for f in ${DA}*.jpg; do
let "counter+=1"
let "c2=counter*1" # sometimes framerates differ. correct them here.

# BLUR
#composite -blend 50 ${DA}${counter:1}.jpg ${DB}${c2:1}.jpg -matte ./blur${counter:1}.jpg


# SLICES
#convert ${DA}${counter:1}.jpg ${DB}${counter:1}.jpg /Users/danielpaluska/OneMinutePerDay/stripesHORZ.gif -compose over -composite ./slice${counter:1}.jpg

# SIN SLICES
convert ${DA}${counter:1}.jpg ${DB}${counter:1}.jpg /Users/danielpaluska/OneMinutePerDay/wave_gradient64.png -compose over -composite ./slice${counter:1}.jpg



# MULTIFRAME
# montage -geometry 480x360 ${DA}${counter:1}.jpg ${DB}${counter:1}.jpg ${DC}${counter:1}.jpg ${DD}${counter:1}.jpg ./montage${counter:1}.jpg


done
DATETIME=`date +%Y%m%d%H%M%S`
#ffmpeg -r 30 -sameq -i blur%04d.jpg ../blur$DATETIME.mp4

ffmpeg -r 30 -sameq -i slice%04d.jpg ../slice$DATETIME.mp4


# ADD AUDIO TO MOVIE
# ffmpeg -i moviewithoutsound.mp4 -sameq -i sound.mp3 -ab 192k movwithsound.mp4



#OTHER STUFF
# make gradient waves
# convert -size 640x480 gradient: -evaluate sin 20 wave_gradient.png

# make stripes
# convert -size 1x20 pattern:gray50 -scale 640x480\! black_n_whiteHORZ.gif
# convert -size 20x1 pattern:gray50 -scale 640x480\! black_n_whiteVERT.gif