How to Play a Playlist

[hbe02]

it has come to my attention that using

MediaPortal.Player.g_Player.Play(whatever.mp3, MediaPortal.Player.g_Player.MediaType.Music)

will play an mp3 file

and it plays music perfectly, but with one major problem.

when i say put playlist.wpl instead of the .mp3 file above. the playlist plays, but MP plays it as a single file, so the song list does not appear in "current playlist" and i cannot go "next track"

any ideas?

[and-81]

What happens if you don't specify the MediaType?

[hbe02]

Same thing, no difference.

[and-81]

hmm, I'll look into it further and get back to you ... in the meantime, check out the mediaportal source code and see how it's done there.

[jburnette]

I think that for playing a playlist you have to use the PlaylistPlayer Class in the Mediaportal.Playlists namespace. I've never actually used it, I just remember seeing it.

[hbe02]

I looked around the class, cant find anything that works, i tried:
MediaPortal.Playlists.PlayListPlayer.SingletonPlay er.g_Player.Play(FileToPlay.Trim());

but that gave me the exact same result as before

btw i tried the following:
went to music folder
added an album to playlist
it was playing under current playlist and now playing perfectly and i can click next and that works
i treid "save" typed a name and pressed "done"
then i clicked "MY Playlists"
MP hangs for about 4 seconds then just resumes operation in current screen.. does not go to "My Playlists"
i tried searching with windows search for the playlist i entered..and i didnt find it.
any ideas?

[darick_c]

Here is how I play a playlist:

using MediaPortal.Playlists;



public void PlayPlaylist(string playlistName)
        {
            PlayListPlayer playlistPlayer = PlayListPlayer.SingletonPlayer;
            playlist = playlistPlayer.GetPlaylist(PlayListType.PLAYLIST_MUSIC);

            string strPlayListPath = string.Empty;
            using (MediaPortal.Profile.Settings xmlreader = new MediaPortal.Profile.Settings(Config.GetFile(Config.Dir.Config, "MediaPortal.xml")))
            {
                strPlayListPath = xmlreader.GetValueAsString("music", "playlists", string.Empty);
                strPlayListPath = MediaPortal.Util.Utils.RemoveTrailingSlash(strPlayListPath);
            }
            string playlistFileName = Path.Combine(strPlayListPath, playlistName);
            PlayList tempPlaylist = GetPlaylistByPath(playlistFileName);

            if (!File.Exists(playlistFileName) && tempPlaylist != null)
                return;

            playlist.Clear();
            playlist.Name = tempPlaylist.Name;
            foreach (PlayListItem item in tempPlaylist)
            {
                playlist.Add(item);
            }

            if (playlistPlayer.GetPlaylist(PlayListType.PLAYLIST_MUSIC).Count > 0)
            {
                                playlistPlayer.Reset();
                                playlistPlayer.CurrentPlaylistType = PlayListType.PLAYLIST_MUSIC;
                                playlistPlayer.Play(0);
             }
        }

private PlayList GetPlaylistByPath(string path)
        {
            IPlayListIO io;
            string ext = System.IO.Path.GetExtension(path);
            PlayList playlist = new PlayList();
            switch (ext.ToLower())
            {
                case ".m3u":
                    io = new PlayListM3uIO();
                    break;
                case ".pls":
                    io = new PlayListM3uIO();
                    break;
                case ".b4s":
                    io = new PlayListM3uIO();
                    break;
                case ".wpl":
                    io = new PlayListM3uIO();
                    break;
                default:
                    return playlist;
            }
            if (io.Load(playlist, path))
                return playlist;
            else
                return null;
        }

Hope it works for you,
Darick

If you are calling the above from a thread other than the main, then you may need to invoke it to run on the main thread, otherwise it could cause an error.

private delegate void PlayPlaylistHandler(string playlistName);
public void SomeMethod()
{
    string someplaylist = "someplaylist";
    System.Windows.Forms.Control currentform =     System.Windows.Forms.Form.FromHandle(GUIGraphicsContext.ActiveForm);

   if (currentform.InvokeRequired)
   {
        PlayPlaylistHandler handler = new PlayPlaylistHandler(PlayPlaylist);
        currentform.Invoke(handler, new object[] {someplaylist });
   }
   else
   {
        PlayPlaylist(someplaylist);
   }

Hope this helps,
Darick

[Fjoms]

I have just been struggling with the same thing. I tried your code, Darick, but MP only plays the first file in the m3u playlist. When I open "current playlist" it is empty, and when I go to "now playing" there is no "next track" waiting. I want to be able to load an m3u playlist in code, and then skip back and forth between its tracks. Does this work with the code you posted? If so, I must be doing something wrong...

[jburnette]

Fjoms, here's another method that may work for you:
Loading Current playlist, then Playing it

[Fjoms]

That method certainly did the trick for me, jburnette, thanks!