Angular Service ng-cordova media

angular_service_ng-cordova-media.js

app.service('AudioSvc', [function($ionicPopup) {

    var AudioSvc = {
        my_media: null,
        mediaTimer: null,
        playAudio: function(src, cb) {
            var self = this;

            // stop playing, if playing
            self.stopAudio();

            self.my_media = new Media(src, onSuccess, onError);
            self.my_media.play();

            if (self.mediaTimer == null) {
                self.mediaTimer = setInterval(function() {
                    self.my_media.getCurrentPosition(
                        function(position) {
                            cb(position, self.my_media.getDuration());
                        },
                        function(e) {
                            console.log("Error getting pos=" + e);
                        }
                    );
                }, 1000);
            }

            function onSuccess() {
                console.log("playAudio():Audio Success");
            }

            // onError Callback
            //
            function onError(error) {
                console.log("playAudio():Audio Error");
            }

        },

        resumeAudio: function() {
            var self = this;
            if (self.my_media) {
                self.my_media.play();
            }
        },
        pauseAudio: function() {
            var self = this;
            if (self.my_media) {
                self.my_media.pause();
            }
        },
        stopAudio: function() {
            var self = this;
            if (self.my_media) {
                self.my_media.stop();
            }
            if (self.mediaTimer) {
                clearInterval(self.mediaTimer);
                self.mediaTimer = null;
            }
        },
        releaseAudio: function(){
            var self = this;
            if(self.my_media){
                self.my_media.release();
            }
        }

    };

    return AudioSvc;
}]);