MP3 Player Problems

ok guys, tried make mp3 player tutorial here http://www.republicofcode.com/tutorials/flash/as3musicplayer/

 

the player , play, pause, next, previous etc. functions work fine, want make improvements

 

1/i want have fully-functional loadbar , seekbar player

 

2/could possible? want player automatically plays movie clip(that shows next song in playlist) @ last 10 second of every song

 

3/i want merge both play , pause buttons, save space

 

please guys i'm new as3 , these event listeners thingy (because of old computer, last 2 years flash in as2 - flash 8 )

 

here's code:

 

import flash.net.urlloader;

import flash.net.urlrequest;

import flash.events.event;

import flash.media.sound;

import flash.media.soundchannel;

import flash.events.mouseevent;

 

 

var my_songs:xmllist;

var my_total:number;

 

 

var my_sound:sound;

var my_channel:soundchannel;

 

 

var song_position:number;

var song_paused:boolean;

 

 

var current_song:number = 0;

 

 

var myxmlloader:urlloader = new urlloader();

myxmlloader.load(new urlrequest("playlist.xml"));

myxmlloader.addeventlistener(event.complete, processxml);

 

 

function processxml (e:event):void{

          var myxml:xml = new xml(e.target.data);

          my_songs = myxml.song;

          my_total = my_songs.length();

 

          myxmlloader.removeeventlistener(event.complete, processxml);

          myxmlloader = null;

}

 

 

function playsong(mysong:number):void{

          var mytitle = my_songs[mysong].@title;

          var myartist = my_songs[mysong].@artist;

          var myalbum = my_songs[mysong].@album;

          var myurl = my_songs[mysong].@url;

 

          title_txt.text = mytitle;

          artist_txt.text = myartist;

          album_txt.text = myalbum;

 

          if (my_channel){

          my_channel.stop()

          my_channel.removeeventlistener(event.sound_complete, onnext);

}

 

          my_sound = new sound();

          my_sound.load(new urlrequest(myurl));

          my_channel = my_sound.play();

          my_channel.addeventlistener(event.sound_complete, onnext);

}

 

 

play_btn.addeventlistener(mouseevent.click, onplay);

function onplay(e:mouseevent):void{

          if (song_paused){

                    my_channel = my_sound.play(song_position);

                    song_paused = false;

          } else if (!my_channel){

                    playsong(current_song);

                    play_mc.gotoandplay(1);

          }

}

 

 

next_btn.addeventlistener(mouseevent.click, onnext);

function onnext(e:event):void{

          current_song++;

          if (current_song>=my_total){

                    current_song = 0;

          }

          playsong(current_song);

          play_mc.gotoandplay(1);

}

 

prev_btn.addeventlistener(mouseevent.click, onprev);

function onprev(e:mouseevent):void{

          current_song--;

          if (current_song<0){

                    current_song = my_total-1;

          }

          playsong(current_song);

          play_mc.gotoandplay(1);

}

 

 

pause_btn.addeventlistener(mouseevent.click, onpause);

function onpause(e:mouseevent):void{

          if (my_channel){

                    song_position = my_channel.position

                    my_channel.stop();

                    song_paused = true;

          }

}

 

 

play_mc.gotoandstop(1);

1.  sound class has progress event , bytesloaded/bytestotal properties can use loadbar.  has length property , soundchannel's position property, can create playbar.

2.  autoplay, call onnext when soundchannel soundcomplete event dispatched.  (you can pass null or assign default event in onnext.)

3.  what's problem?

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