MusicLib

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MUSIC LIB CLASS (MusicLib.lua)
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local _M = {}


local audioChannel
local otherAudioChannel
local currentSong
local curAudio
local prevAudio = 1

audio.crossFadeBackground = function (path, force)
        local musicPath = path
        if currentSong == musicPath and audio.getVolume{channel = audioChannel} > 0.1 and not force then return false end
        audio.fadeOut({channel=audioChannel, time=1000})
        if audioChannel==1 then audioChannel,otherAudioChannel=2,1 else audioChannel,otherAudioChannel=1,2 end
        audio.setVolume( 1, {channel = audioChannel})
        curAudio = audio.loadStream( musicPath )
        audio.play(curAudio, {channel=audioChannel, loops=-1, fadein=1000})
        prevAudio = curAudio
        currentSong = musicPath
        audio.currentBackgroundChannel = audioChannel
end
audio.reserveChannels(2)
audio.currentBackgroundChannel = 1

return _M
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usage in i.e main.lua
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local mL = require ( "MusicLib" )
audio.crossFadeBackground("bgSplashSound.mp3")   --dont work....ahhh carrrrramba!! I dont get it!!
                          -- Its written in a way I don't write
                          --so I get confused
                          --Is this a private method for internal
                          --handling in my class?

--[[
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Here are the original MusicLib Class I wrote earlier that works partially
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local _M = {}
    gemSound = {[1]="blopSound2.mp3", [2]="failSound.mp3", [3]="blopBlopSound.mp3"}
    bgSound = {[1]="bgSplashSound.mp3", [2]="failSound.mp3", [3]="blopBlopSound.mp3"}

    _M.blopSound = audio.loadSound(gemSound[1])
    _M.failSound = audio.loadSound(gemSound[2])
    _M.blopBlopSound = audio.loadSound(gemSound[3])

    function _M:bgMusic(levelTrack)
        local fChannel = audio.findFreeChannel ()
        _M.backgroundMusic = audio.loadStream(bgSound[levelTrack])
        audio.play(_M.backgroundMusic, { loops=-1, channel= fChannel })
    end

    function _M:bgMusicFadeOut()
        audio.fadeOut({ time=500 } )
        audio.dispose(backgroundMusic)
        audio.dispose(blopSound)
        audio.dispose(failSound)
        audio.dispose(blopBlopSound)
        _M.backgroundMusic = nil
        _M.blopSound = nil
        _M.failSound = nil
        _M.blopBlopSound = nil
        return true
    end

return _M