public void PlayTrack(Track track)
{
var path = Path.Combine (NSBundle.MainBundle.ResourcePath, "testsound.mp3");
var data = System.IO.File.ReadAllBytes (path);
var url = NSUrl.FromFilename (path);
var status = MusicPlayerStatus.Success;
player = MusicPlayer.Create (out status);
player.MusicSequence = new MusicSequence ();
player.MusicSequence.LoadFile (url, MusicSequenceFileTypeID.Any);
player.Start ();
/*AppDelegate.Player = AVAudioPlayer.FromUrl (url);
AppDelegate.Player.NumberOfLoops = 1;
var res = AppDelegate.Player.PrepareToPlay ();
//player.AddPeriodicTimeObserver (CoreMedia,CMTime.FromSeconds (1, 1), );
var r = AppDelegate.Player.Play ();
AppDelegate.Player.DecoderError += (sender, e) => {
var a = 3;
};
AppDelegate.Player.FinishedPlaying += (sender, e) => {
var a = 4;
};
AppDelegate.Player.BeginInterruption += (sender, e) => {
var a = 5;
};
AppDelegate.Player.EndInterruption += (sender, e) => {
var a = 6;
};
*/
}
public Track GetTrackInfo(string path)
{
Process mplayer = new Process ();
mplayer.StartInfo.CreateNoWindow = true;
mplayer.StartInfo.UseShellExecute = false;
mplayer.StartInfo.ErrorDialog = false;
mplayer.StartInfo.RedirectStandardOutput = true;
mplayer.StartInfo.RedirectStandardInput = true;
mplayer.StartInfo.RedirectStandardError = true;
mplayer.StartInfo.FileName = MPLAYER_COMMAND;
mplayer.StartInfo.Arguments = "-vo null -ao null -frames 0 -identify " + path;
//mplayer.StartInfo.Arguments = "-identify " + filename;
mplayer.Start ();
// DANGER! WOLVES AHEAD!
//TODO: may take REALLY long time or never exit if the file is unreacheable through network for some reason
mplayer.WaitForExit ();
var result = new Track ();
result.Source = path;
while (!mplayer.StandardOutput.EndOfStream) {
var line = mplayer.StandardOutput.ReadLine ();
var tagLinePrefix = "ID_CLIP_INFO_NAME";
if (line.StartsWith (tagLinePrefix)) {
int separatorPos = line.IndexOf ('=');
// var tagId = line.Substring (tagLinePrefix.Length, separatorPos - tagLinePrefix.Length);
var tagName = line.Substring (separatorPos + 1);
line = mplayer.StandardOutput.ReadLine ();
separatorPos = line.IndexOf ('=');
var tagValue = line.Substring (separatorPos + 1);
switch (tagName) {
case "Title":
result.Name = tagValue;
break;
case "Artist":
result.Artist = tagValue;
break;
}
}
if (line.StartsWith ("ID_LENGTH")) {
int separatorPos = line.IndexOf ('=');
var seconds = Double.Parse (line.Substring (separatorPos + 1), System.Globalization.CultureInfo.InvariantCulture);
result.Duration = TimeSpan.FromSeconds (seconds);
}
}
if (!(result.Duration.TotalSeconds > 0))
result = null;
return result;
}
public async Task<IEnumerable<Track>> GetUserAudioList (int offset, int count)
{
// Create an HTTP web request using the URL:
var request = new HttpClient();
var content = new FormUrlEncodedContent (
new Dictionary<string, string>()
{
{"owner_id", _user.VkUserInfo.VkUserId},
{"access_token", _user.VkUserInfo._token},
{"count", count.ToString ()}
});
string responceString = "";
try {
var responceRaw = await request.PostAsync (_baseUrl + "audio.get",content);
var bytes = await responceRaw.Content.ReadAsByteArrayAsync();
responceString = System.Text.Encoding.GetEncoding ("windows-1251").GetString (bytes, 0, bytes.Length);
JArray VkAudioListJSon = (JArray)JObject.Parse (responceString) ["response"] ;
var responce = new List<Track>();
foreach (var i in VkAudioListJSon.Skip (1)) {
try {
var track = new Track ();
track.Id = (string)i ["aid"];
track.Artist = (string)i ["artist"];
track.Name = (string)i ["title"];
track.Duration = TimeSpan.FromSeconds((double)(int)i ["duration"]);
track.Source = (string)i ["url"];
track.SourceType = SourceType.VK;
track.Genre = (string)i ["genre"];
responce.Add (track);
}
catch (Exception e) {
continue;
}
}
return responce;
}
catch (Exception e) {
return new List<Track> ();
}
}
public MPlayerBackend()
{
_currentTrack = null;
_currentTask = null;
_taskCancellationTokenSource = new CancellationTokenSource ();
}
void IMusicPlayerBackend.PlayTrack(Track track)
{
if (_currentTrack != null)
_currentTrack = null;
if (_currentTask != null) {
_taskCancellationTokenSource.Cancel ();
_currentTask = null;
}
if (track == null)
return;
var cancellationToken = _taskCancellationTokenSource.Token;
_currentTrack = track;
_currentTrackStartTime = new TimeSpan ();
_currentTrack.Current = new TimeSpan(0);
_currentTask = Task.Run (() => {
Process mplayer = new Process ();
mplayer.StartInfo.UseShellExecute = false;
mplayer.StartInfo.ErrorDialog = false;
mplayer.StartInfo.RedirectStandardOutput = true;
mplayer.StartInfo.RedirectStandardInput = true;
mplayer.StartInfo.RedirectStandardError = true;
mplayer.StartInfo.FileName = MPLAYER_COMMAND;
mplayer.StartInfo.Arguments = track.Source; // + " -endpos 00:00:08";
// cancellationToken.ThrowIfCancellationRequested ();
mplayer.Start ();
// while (!(cancellationToken.IsCancellationRequested || mplayer.HasExited)) {
while (!mplayer.HasExited) {
Thread.Sleep (100);
//MEGAZALEPA
Console.WriteLine (mplayer.StandardOutput.ReadToEnd ());
}
if (!mplayer.HasExited)
mplayer.Kill ();
});
}
public PlaylistEntry QueueTrack(User user, Track track)
{
UpdateUserPriorities ();
if (!_usersActivities.ContainsKey (user.Id)) {
var newActivity = new UserActivitiesRecord () {
basePriority = 1.0,
activitiesCount = 0,
lastActivityTime = DateTime.Now
};
_usersActivities.Add (user.Id, newActivity);
}
var activitiesRecord = _usersActivities [user.Id];
if (activitiesRecord.activitiesCount++ == 0)
++_activeUsersCount;
var entry = new PlaylistEntry () {
User = user,
Track = track,
Id = _freeEntryId++,
LikesNum = 0,
DislikesNum = 0,
Priority = activitiesRecord.basePriority
};
activitiesRecord.basePriority *= Math.Pow (0.5, track.Duration.TotalMilliseconds / AVG_TRACK_LENGTH_MS);
_usersMarkedByEntryId.Add (entry.Id, new List<string> ());
_usersMarkedByEntryId [entry.Id].Add (user.Id);
Playlist.Add (entry);
Playlist.Sort (comparePlaylistEntries);
_playlistEntries.Add (entry);
if (!_playing)
Play ();
return entry;
}
