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- import os
- import time
- import random
- #import pygame # if you don't have pygame: sudo apt-get install python-pygame
- #also that line is commented out as we import the mixer specifically a bit further down.
- #CONFIG SECTION
- startdelay = 0 # Value (in seconds) to delay audio start. If you have a splash screen with audio and the script is playing music over the top of it, increase this value to delay the script from starting.
- musicdir = '/home/pi/RetroPie/roms/music'
- maxvolume = 0.75
- volumefadespeed = 0.02
- restart = True # If true, this will cause the script to fade the music out and -stop- the song rather than pause it.
- startsong = "" # if this is not blank, this is the EXACT, CaSeSeNsAtIvE filename of the song you always want to play first on boot.
- #local variables
- bgm = [mp3 for mp3 in os.listdir(musicdir) if mp3[-4:] == ".mp3" or mp3[-4:] == ".ogg"] # Find everything that's .mp3 or .ogg
- lastsong = -1
- currentsong = -1
- from pygame import mixer # import PyGame's music mixer
- mixer.init() # Prep that bad boy up.
- random.seed()
- volume = maxvolume # Store this for later use to handle fading out.
- #TODO: Fill in all of the current RetroPie Emulator process names in this list.
- emulatornames = ["retroarch","ags","uae4all2","uae4arm","capricerpi","linapple","hatari","stella","atari800","xroar","vice","daphne","reicast","pifba","osmose","gpsp","jzintv","basiliskll","mame","advmame","dgen","openmsx","mupen64plus","gngeo","dosbox","ppsspp","simcoupe","scummvm","snes9x","pisnes","frotz","fbzx","fuse","gemrb","cgenesis","zdoom","eduke32","lincity","love","kodi","alephone","micropolis","openbor","openttd","opentyrian","cannonball","tyrquake","ioquake3","residualvm","xrick","sdlpop","uqm","stratagus","wolf4sdl","solarus"]
- #test: Ran into some issues with script crashing on a cold boot, so we're camping for emulationstation (if ES can start, so can we!)
- esStarted = False
- while not esStarted:
- time.sleep(1)
- pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
- for pid in pids:
- try:
- procname = open(os.path.join('/proc',pid,'comm'),'rb').read()
- if procname[:-1] == "emulationstatio": # Emulation Station's actual process name is apparently short 1 letter.
- esStarted=True
- except IOError:
- continue
- #ES Should be going, see if we need to delay our start
- if startdelay > 0:
- time.sleep(startdelay) # Delay audio start per config option above
- #Look for OMXplayer - if it's running, someone's got a splash screen going!
- pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
- for pid in pids:
- try:
- procname = open(os.path.join('/proc',pid,'comm'),'rb').read()
- if procname[:-1] == "omxplayer" or procname[:-1] == "omxplayer.bin": # Looking for a splash screen!
- while os.path.exists('/proc/'+pid):
- time.sleep(1) #OMXPlayer is running, sleep 1 to prevent the need for a splash.
- except IOError:
- continue
- #Check for a starting song
- if not startsong == "":
- try:
- currentsong = bgm.index(startsong) #Set the currentsong to the index in BGM that is our startingsong.
- except:
- currentsong = -1 #If this triggers, you probably screwed up the filename, because our startsong wasn't found in the list.
- #This is where the magic happens.
- while True:
- while not esStarted: #New check (4/23/16) - Make sure EmulationStation is actually started. There is code further down that, as part of the emulator loop, makes sure eS is running.
- if mixer.music.get_busy():
- mixer.music.stop(); #halt the music, emulationStation is not running!
- time.sleep(10)
- pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
- for pid in pids:
- try:
- procname = open(os.path.join('/proc',pid,'comm'),'rb').read()
- if procname[:-1] == "emulationstatio": # Emulation Station's actual process name is apparently short 1 letter.
- esStarted=True # Will cause us to break out of the loop because ES is now running.
- except IOError:
- continue
- #Check to see if the DisableMusic file exists; if it does, stop doing everything!
- if os.path.exists('/home/pi/PyScripts/DisableMusic'):
- print "DisableMusic found!"
- if mixer.music.get_busy():
- mixer.music.stop();
- while (os.path.exists('/home/pi/PyScripts/DisableMusic')):
- time.sleep(15)
- print "DisableMusic gone!"
- if not mixer.music.get_busy(): # We aren't currently playing any music
- while currentsong == lastsong and len(bgm) > 1: #If we have more than one BGM, choose a new one until we get one that isn't what we just played.
- currentsong = random.randint(0,len(bgm)-1)
- song = os.path.join(musicdir,bgm[currentsong])
- mixer.music.load(song)
- lastsong=currentsong
- mixer.music.set_volume(maxvolume) # Pygame sets this to 1.0 on new song; in case max volume -isnt- 1, set it to max volume.
- mixer.music.play()
- print "BGM Now Playing: " + song
- #Emulator check
- pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
- emulator = -1;
- esStarted=False #New check 4-23-16 - set this to False (assume ES is no longer running until proven otherwise)
- for pid in pids:
- try:
- procname = open(os.path.join('/proc',pid,'comm'),'rb').read()
- if procname[:-1] == "emulationstatio": # Killing 2 birds with one stone, while we look for emulators, make sure EmulationStation is still running.
- esStarted=True # And turn it back to True, because it wasn't done running. This will prevent the loop above from stopping the music.
- if procname[:-1] in emulatornames: #If the process name is in our list of known emulators
- emulator = pid;
- #Turn down the music
- print "Emulator found! " + procname[:-1] + " Muting the music..."
- while volume > 0:
- volume = volume - volumefadespeed
- if volume < 0:
- volume=0
- mixer.music.set_volume(volume);
- time.sleep(0.05)
- if restart:
- mixer.music.stop() #we aren't going to resume the audio, so stop it outright.
- else:
- mixer.music.pause() #we are going to resume, so pause it.
- print("Muted. Monitoring emulator.")
- while os.path.exists("/proc/" + pid):
- time.sleep(1); # Delay 1 second and check again.
- #Turn up the music
- print "Emulator finished, resuming audio..."
- if not restart:
- mixer.music.unpause() #resume
- while volume < maxvolume:
- volume = volume + volumefadespeed;
- if volume > maxvolume:
- volume=maxvolume
- mixer.music.set_volume(volume);
- time.sleep(0.05)
- print "Restored."
- volume=maxvolume # ensures that the volume is manually set (if restart is True, volume would be at zero)
- except IOError: #proc has already terminated, ignore.
- continue
- time.sleep(1);
- #end of the main while loop
- print "An error has occurred that has stopped Test1.py from executing." #theoretically you should never get this far.
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