Chris@73: #!/bin/bash
Chris@73: 
Chris@73: audio=$HOME/music
Chris@73: preferred=$audio/ogg/linux
Chris@73: list=audiofiles.txt
Chris@73: used=audiofiles-used.txt
Chris@73: 
Chris@73: sv-command quit
Chris@73: 
Chris@73: pick_file()
Chris@73: {
Chris@73:     count=`wc -l "$list" 2>/dev/null | awk '{ print $1 }'`
Chris@73:     if [ ! -f "$list" ] || [ "$count" -eq "0" ] ; then
Chris@73: 	find "$audio" -name \*.ogg -print >> "$list"
Chris@73: 	find "$audio" -name \*.mp3 -print >> "$list"
Chris@73: 	find "$audio" -name \*.wav -print >> "$list"
Chris@73: 	find "$preferred" -name \*.ogg -print >> "$list"
Chris@73: 	find "$preferred" -name \*.mp3 -print >> "$list"
Chris@73: 	find "$preferred" -name \*.wav -print >> "$list"
Chris@73: 	count=`wc -l "$list" 2>/dev/null | awk '{ print $1 }'`
Chris@73:     fi
Chris@73:     while [ -z "$file" ]; do
Chris@73: 	index=$((RANDOM % $count))
Chris@73: 	file=`tail +"$index" "$list" | head -1`
Chris@73: 	[ -f "$file" ] || continue
Chris@73:     done
Chris@73:     fgrep -v "$file" "$list" > "$list"_ && mv "$list"_ "$list"
Chris@73:     echo "$file"
Chris@73: }
Chris@73: 
Chris@73: load_a_file()
Chris@73: {
Chris@73:     file=`pick_file`
Chris@73:     if ! sv-command open "$file"; then
Chris@73: 	pid="`pidof sonic-visualiser`"
Chris@73: 	if [ -z "$pid" ]; then
Chris@73: 	    ( setsid ../sonic-visualiser & )
Chris@73: 	    sleep 2
Chris@73: 	    load_a_file
Chris@73: 	else
Chris@73: 	    echo "ERROR: Unable to contact sonic-visualiser pid $pid" 1>&2
Chris@73: 	    exit 1
Chris@73: 	fi
Chris@73:     fi
Chris@73: }
Chris@73: 
Chris@73: show_stuff()
Chris@73: {
Chris@73:     sv-command set overlays 2
Chris@73:     sv-command set zoomwheels 1
Chris@73:     sv-command set propertyboxes 1
Chris@73: }
Chris@73: 
Chris@73: hide_stuff()
Chris@73: {
Chris@73:     sv-command set overlays 0
Chris@73:     sv-command set zoomwheels 0
Chris@73:     sv-command set propertyboxes 0
Chris@73: }
Chris@73: 
Chris@73: reset()
Chris@73: {
Chris@73:     for pane in 1 2 3 4 5; do
Chris@73: 	for layer in 1 2 3 4 5 6 7 8 9 10; do
Chris@73: 	    sv-command delete layer
Chris@73: 	done
Chris@73: 	sv-command delete pane
Chris@73:     done
Chris@73:     sv-command zoom default
Chris@73:     sv-command add waveform
Chris@73:     show_stuff
Chris@73: }
Chris@73: 
Chris@73: scroll_and_zoom()
Chris@73: {
Chris@73:     sv-command set overlays 0
Chris@73:     sv-command set zoomwheels 0
Chris@73:     sv-command set propertyboxes 0
Chris@73:     sv-command setcurrent 1 1
Chris@73:     sv-command delete layer
Chris@73:     sv-command setcurrent 1 1
Chris@73:     sv-command set layer Colour Red
Chris@73:     sleep 1
Chris@73:     sv-command set pane Global-Zoom off
Chris@73:     sv-command set pane Global-Scroll off
Chris@73:     sv-command set pane Follow-Playback Scroll
Chris@73:     for zoom in 950 900 850 800 750 700 650 600 550 512 450 400 350 300 256 192 160 128 96 64 48 32 24 16; do
Chris@73: 	sv-command zoom $zoom
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73: }
Chris@73: 
Chris@73: play()
Chris@73: {
Chris@73:     sv-command play "$@"
Chris@73: }
Chris@73: 
Chris@73: fade_in()
Chris@73: {
Chris@73:     sv-command set gain 0
Chris@73:     sleep 0.5
Chris@73:     play "$@"
Chris@73:     for gain in 0.001 0.01 0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1; do
Chris@73: 	sv-command set gain $gain
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73: }
Chris@73: 
Chris@73: fade_out()
Chris@73: {
Chris@73:     for gain in 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.05 0.01 0.001; do
Chris@73: 	sv-command set gain $gain
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73:     stop
Chris@73:     sv-command set gain 1
Chris@73: }
Chris@73: 
Chris@73: slow()
Chris@73: {
Chris@73:     for speed in -1 -10 -20 -30 -40 -50 -60 -70 -80 -100 -140 -200 -250 -300 -400 -500 -700 -800 -900 -1000; do
Chris@73: 	sv-command set speedup "$speed"
Chris@73: 	sleep 1
Chris@73:     done
Chris@73: }
Chris@73: 
Chris@73: stop()
Chris@73: {
Chris@73:     sv-command stop "$@"
Chris@73:     sv-command set speedup 0
Chris@73: }
Chris@73: 
Chris@73: quit()
Chris@73: {
Chris@73:     sv-command quit
Chris@73: }
Chris@73: 
Chris@73: add_melodic_range_spectrogram()
Chris@73: {
Chris@73:     sv-command set propertyboxes 1
Chris@73:     sv-command add spectrogram
Chris@73:     sv-command set layer Window-Size 4096
Chris@73: #    sv-command set layer Window-Overlap 4
Chris@73:     sv-command set layer Window-Overlap 3
Chris@73:     sv-command set layer Frequency-Scale Log
Chris@73:     sv-command set layer Colour-Scale Meter
Chris@73: }
Chris@73: 
Chris@73: zoom_in_spectrogram() 
Chris@73: {
Chris@73:     sv-command zoomvertical 43 8000
Chris@73:     for x in 1 2 3 4 5 6; do
Chris@73: 	max=$((8000 - 1000*$x))
Chris@73: 	sv-command zoomvertical 43 "$max"
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73:     for x in 1 2 3 4 5; do
Chris@73: 	max=$((2000 - 100 * $x))
Chris@73: 	sv-command zoomvertical 43 "$max"
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73: }
Chris@73: 
Chris@73: zoom_in_spectrogram_further() 
Chris@73: {
Chris@73:     for x in 1 2 3 4 5; do
Chris@73: 	sv-command zoomvertical in
Chris@73:     done
Chris@73: }
Chris@73: 
Chris@73: playback_bits()
Chris@73: {
Chris@73:     sv-command set pane Follow-Playback Scroll
Chris@73:     sv-command jump 10
Chris@73:     sv-command setcurrent 1 2
Chris@73:     sv-command set layer Colour Blue
Chris@73:     sleep 5
Chris@73:     hide_stuff
Chris@73:     fade_in
Chris@73:     sleep 10
Chris@73:     scroll_and_zoom
Chris@73:     sleep 10
Chris@73:     slow
Chris@73:     #sv-command set layer Normalize-Visible-Area on
Chris@73:     for zoom in 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1; do
Chris@73: 	sv-command zoom $zoom
Chris@73: 	sleep 0.1
Chris@73:     done
Chris@73:     sleep 8
Chris@73:     fade_out
Chris@73:     done_playback_bits=1
Chris@73: }
Chris@73: 
Chris@73: spectrogram_bits()
Chris@73: {
Chris@73:     add_melodic_range_spectrogram
Chris@73:     sv-command zoom 256
Chris@73:     sleep 10
Chris@73:     zoom_in_spectrogram
Chris@73:     sleep 20
Chris@73: 
Chris@73:     if [ -n "$done_playback_bits" ]; then
Chris@73: 	sv-command setcurrent 1
Chris@73: 	sv-command zoom out
Chris@73: 	sv-command zoom out
Chris@73: 	sv-command zoom out
Chris@73: 	sv-command zoom out
Chris@73: 	sv-command zoom out
Chris@73: 	sv-command setcurrent 2
Chris@73:     fi
Chris@73:     
Chris@73:     hide_stuff
Chris@73:     fade_in
Chris@73:     sleep 10
Chris@73:     sv-command set layer Bin-Display Frequencies
Chris@73:     sv-command set layer Normalize-Columns on
Chris@73:     sleep 20
Chris@73:     sv-command set layer Bin-Display "All Bins"
Chris@73:     sv-command set layer Colour "Red on Blue"
Chris@73:     sleep 10
Chris@73:     fade_out
Chris@73:     sleep 1
Chris@73:     done_spectrogram_bits=1
Chris@73: 
Chris@73: #    zoom_in_spectrogram_further
Chris@73: }
Chris@73: 
Chris@73: onset_bits()
Chris@73: {
Chris@73:     show_stuff
Chris@73:     sv-command setcurrent 1
Chris@73:     sv-command set pane Global-Zoom on
Chris@73:     sv-command set pane Global-Scroll on
Chris@73:     sleep 5
Chris@73:     sv-command zoom default
Chris@73:     sv-command zoom in
Chris@73:     sv-command zoom in
Chris@73:     sv-command zoom in
Chris@73:     sv-command add timeruler
Chris@73:     sv-command transform vamp:vamp-aubio:aubioonset:detectionfunction
Chris@73:     sleep 5
Chris@73:     sv-command set layer Plot-Type Curve
Chris@73:     sleep 5
Chris@73:     sv-command setcurrent 1
Chris@73:     sv-command set pane Follow-Playback Page
Chris@73:     sv-command transform vamp:vamp-aubio:aubioonset:detectionfunction
Chris@73:     sv-command set layer Colour Red
Chris@73:     sleep 5
Chris@73:     sv-command set layer Plot-Type Segmentation
Chris@73: #    sv-command set layer Vertical-Scale "Log Scale"
Chris@73:     sv-command jump 30
Chris@73:     sleep 5
Chris@73: #    hide_stuff
Chris@73:     if [ -n "$done_spectrogram_bits" ]; then
Chris@73: 	sv-command setcurrent 2
Chris@73: 	sv-command delete pane
Chris@73:     fi
Chris@73:     sleep 10
Chris@73:     sv-command setcurrent 1 1
Chris@73:     sv-command set layer Colour Black
Chris@73:     sv-command setcurrent 1 2
Chris@73:     fade_in
Chris@73:     sleep 5
Chris@73:     sv-command transform vamp:vamp-aubio:aubioonset:onsets
Chris@73:     sv-command set layer Colour Black
Chris@73:     sleep 20
Chris@73:     sv-command setcurrent 2
Chris@73: #    sv-command transform vamp:qm-vamp-plugins:qm-tempotracker:beats
Chris@73:     sv-command transform vamp:vamp-aubio:aubiotempo:beats
Chris@73:     sleep 10
Chris@73:     fade_out
Chris@73:     show_stuff
Chris@73: }
Chris@73: 
Chris@73: selection_bits()
Chris@73: {
Chris@73: #    reset
Chris@73:     sv-command set overlays 1
Chris@73:     sv-command set zoomwheels 0
Chris@73:     sv-command setcurrent 2
Chris@73:     sv-command delete pane
Chris@73:     if [ -n "$done_playback_bits" ]; then
Chris@73: 	sv-command setcurrent 1 2
Chris@73:     else
Chris@73: 	sv-command setcurrent 1 3
Chris@73:     fi
Chris@73:     sv-command delete layer
Chris@73:     if [ -n "$done_playback_bits" ]; then
Chris@73: 	sv-command setcurrent 1 2
Chris@73:     else
Chris@73: 	sv-command setcurrent 1 3
Chris@73:     fi
Chris@73:     sv-command delete layer
Chris@73: #    sv-command transform vamp:qm-vamp-plugins:qm-tempotracker:beats
Chris@73:     sv-command transform vamp:vamp-aubio:aubiotempo:beats
Chris@73:     sv-command setcurrent 1 2
Chris@73:     sv-command set layer Colour Orange
Chris@73:     sv-command setcurrent 1 3
Chris@73:     sv-command resize 1024 500
Chris@73:     sv-command zoom default
Chris@73:     sleep 10
Chris@73:     sv-command loop on
Chris@73:     base=$((RANDOM % 100))
Chris@73:     sv-command select $base $base.3
Chris@73:     fade_in selection
Chris@73:     sleep 12
Chris@73:     base=$((base + 4))
Chris@73:     sv-command addselect $base $base.1
Chris@73:     sleep 12
Chris@73:     base=$((base + 2))
Chris@73:     sv-command addselect $base $base.1
Chris@73:     sleep 6
Chris@73:     base=$((base + 2))
Chris@73:     sv-command addselect $base $base.3
Chris@73:     sleep 6
Chris@73:     base=$((base + 3))
Chris@73:     sv-command addselect $base $base.3
Chris@73:     sleep 6
Chris@73:     base=$((base + 2))
Chris@73:     sv-command addselect $base $base.3
Chris@73:     sleep 12
Chris@73:     sv-command set speedup -50
Chris@73:     sleep 14
Chris@73:     sv-command set speedup 50
Chris@73:     sleep 8
Chris@73:     sv-command set speedup 100
Chris@73:     sleep 5
Chris@73:     sv-command set speedup 200
Chris@73:     fade_out
Chris@73:     sleep 20
Chris@73:     sv-command select none
Chris@73:     sv-command setcurrent 1 3
Chris@73:     sv-command delete layer
Chris@73:     sv-command setcurrent 1 2
Chris@73:     sv-command set layer Colour Black
Chris@73: }
Chris@73: 
Chris@73: chromagram_bits()
Chris@73: {
Chris@73:     add_melodic_range_spectrogram
Chris@74:     sleep 10
Chris@73:     sv-command add timeruler
Chris@73:     sv-command transform vamp:qm-vamp-plugins:qm-chromagram:chromagram
Chris@73:     sleep 2
Chris@73:     sv-command jump 20
Chris@73:     sleep 10
Chris@73:     sv-command zoom out
Chris@73:     fade_in
Chris@74:     sleep 15
Chris@73:     fade_out
Chris@73: }
Chris@73: 
Chris@73: while /bin/true; do
Chris@73: 
Chris@73: sleep 2
Chris@73: load_a_file
Chris@73: sv-command loop on
Chris@73: 
Chris@73: sv-command resize 1024 500
Chris@73: show_stuff
Chris@73: sleep 10
Chris@73: playback_bits
Chris@73: 
Chris@73: sv-command resize 1024 700
Chris@73: show_stuff
Chris@73: #sleep 10
Chris@73: spectrogram_bits
Chris@73: 
Chris@73: sv-command jump 0
Chris@73: sv-command resize 1024 700
Chris@73: show_stuff
Chris@73: sleep 10
Chris@73: onset_bits
Chris@73: 
Chris@73: selection_bits
Chris@73: 
Chris@73: sv-command resize 1024 700
Chris@73: 
Chris@73: sv-command jump 0
Chris@73: chromagram_bits
Chris@73: 
Chris@73: sleep 20
Chris@73: 
Chris@73: pid="`pidof sonic-visualiser`"
Chris@73: if [ -n "$pid" ]; then
Chris@73:     kill "$pid"
Chris@74:     sleep 5
Chris@73: else
Chris@73:     reset
Chris@73: fi
Chris@73: 
Chris@73: done