Create music_runner.rb

music_runner.rb

@@ -0,0 +1,70 @@
+def play_bell(n)
+  puts "PLAYING BELL"
+  n.times do
+    system("AUDIODEV=hw:0 play /home/pi/Music/samples/bell.wav gain -20 > /dev/null")
+    sleep 3
+  end
+end
+
+def fourtwenty
+  system("mplayer /home/pi/Music/samples/420.mp3 > /dev/null")
+  sleep 10
+end
+
+def check_for_time
+  minutes = Time.now.strftime('%M').to_i
+  hours = Time.now.strftime('%H').to_i % 12
+  if minutes == 0
+    return if @time_spoken
+    play_bell(hours)
+    @time_spoken = true
+  elsif hours == 4 && minutes == 20
+    fourtwenty
+  end
+  @time_spoken = false if minutes > 0
+end
+
+def check_memory
+  space_left = `df -m /`.split(/\b/)[24].to_i
+  while space_left < 200 && file = Dir.glob('/home/pi/Music/wavs/*.wav').sample
+    system("rm #{file}")
+    puts "FILE REMOVED - #{file}"
+    space_left = `df -m /`.split(/\b/)[24].to_i
+  end
+end
+
+def play_random_mp3
+  return if system('ps aux | grep -v grep | grep mplayer | grep -v \<defunct\> > /dev/null')
+  file = Dir.glob("/home/pi/Music/*.mp3").sample
+  puts "MP3 playing is #{file}"
+  fork{ system("mplayer #{file} > /dev/null") }
+end
+
+def record_sound_snippet
+  return if system('ps ax | grep -v grep | grep rec | grep -v zenity | grep -v \<defunct\> > /dev/null')
+  random = rand(10000)
+  puts "RECORDING SNIPPET #{random}"
+  fork{ system("AUDIODEV=hw:1 rec -c 1 /home/pi/Music/wavs/#{random}.wav trim 0 10 gain 5 > /dev/null")}
+end
+
+def play_random_snippet
+  return if system('ps ax | grep -v grep | grep -v mplayer | grep play | grep -v \<defunct\> > /dev/null')
+  wav = Dir.glob("/home/pi/Music/wavs/*.wav").sample
+  wav = Dir.glob("/home/pi/Music/wavs/*.wav").sort_by { |f| File.mtime(f) }[-1] if rand(10) > 6
+  puts "PLAYING wav #{wav}"
+  size1 = File.size(wav) rescue 0
+  sleep(0.1)
+  size2 = File.size(wav) rescue 0
+  if wav && size1 == size2
+    fork{ system("AUDIODEV=hw:0 play #{wav} noisered /home/pi/Music/noise.prof 0.28 gain 2 reverb 0.8 delay 0.18 > /dev/null") }
+  end
+end
+
+loop do
+  check_memory
+  play_random_mp3
+  record_sound_snippet
+  play_random_snippet
+  sleep 0.5
+  check_for_time
+end