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Why wont looping work on android player? — Gideros Forum
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    Why wont looping work on android player?

    Unknown Member
    in General questions
    In my game I have a track set up to loop forever. This works when I use the desktop player. However, when I test the game on the android player on my smartphone, the music only plays once and then it stops. Everything else works fine except for this. Does anybody know why this is happening? Thanks!
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    Comments

    • SinisterSoftSinisterSoft Maintainer
      edited September 2018
      It appears that some versions of Android in combination with some MP3 files don't like to repeat properly.

      This is from my game code, it repeats properly on everything I've tried.
      musicSfx={}
musicSfx[1]=Sound.new("music/starbase.mp3")
--musicSfx[2]=Sound.new("music/Mutation - Spirogyra.mp3")
currentMusic=0
musicVolume=0.8
effectsVolume=1
playingMusic=nil
 
function restartMusic()
	playingMusic:removeEventListener(Event.COMPLETE,restartMusic)
	playingMusic=musicSfx[currentMusic]:play()
	if playingMusic then
		playingMusic:setVolume(musicVolume)
		playingMusic:addEventListener(Event.COMPLETE,restartMusic)
	else
		currentMusic=0
	end
end
 
function playMusic(song,force)
	if song~=currentMusic or force then
		if musicSfx[song] then
			if playingMusic and playingMusic:isPlaying() then
				playingMusic:stop()
			end
			playingMusic=musicSfx[song]:play()
			if playingMusic then
				currentMusic=song
				playingMusic:setVolume(musicVolume)
				playingMusic:addEventListener(Event.COMPLETE,restartMusic)
			else
				currentMusic=0
			end
		end
	end
end
 
function volumeMusic(vol)
	musicVolume=vol
	if playingMusic then
		if vol>0 then
			if playingMusic:isPaused() then
				playingMusic:setPaused(false)
			end
			playingMusic:setVolume(vol)
		else
			playingMusic:setPaused(true)
		end
	end
end
 
playMusic(1)

      Likes: antix

      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • antixantix Member
      @SinisterSoft I have yet to find an MP3 file that does repeat correctly! Once you know about the whole restarting event it's not a giant issue but it is mildly annoying that you cannot have a proper looping sound in Gideros without using WAV files since the MP3 restart event always leave a noticeable gap :(
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    • SinisterSoftSinisterSoft Maintainer
      edited September 2018
      I have no problem the files repeating on some of my devices, but others don't - the safest way is the event. It may be because Android uses the media player for playing MP3 (because MP3 playback can be done in hardware on a lot of chipsets), if it was done in software then it may not be an issue - but it would eat up CPU time.

      The media player may be the responsibility of the device manufacturer, so some may have bugs?
      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • SinisterSoftSinisterSoft Maintainer
      Maybe a solution would be for Gideros to not set repeat mode and to use an event to check and replay if the flag was set (rather than 'setLooping'). maybe it does this already and there is a bug?

      https://stackoverflow.com/questions/15324522/repeating-looping-a-mp3-n-no-no-times-in-android-programming-depending-on-user
      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • piepie Member
      It seems that ogg files doesn't have this issue, and they are usually smaller than mp3 :)
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    • SinisterSoftSinisterSoft Maintainer
      ogg files are played using the CPU, so your game is slower.

      Likes: Apollo14

      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • piepie Member
      Really? I didn't notice that
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    • SinisterSoftSinisterSoft Maintainer
      It will be a small % and you will only see a difference if mp3 is played in hardware - on a lot of phones it is but it depends on the media player/chipset.

      Likes: pie

      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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