public async Task <IEnumerable <Mediafile> > LoadPlaylist(StorageFile file)
{
using (var streamReader = new StreamReader(await file.OpenStreamForReadAsync()))
{
List <string> playlistSongs = new List <string>();
string line;
int index = 0;
bool ext = false;
while ((line = streamReader.ReadLine()) != null)
{
if (line.ToLower() == "#extm3u") //m3u header
{
ext = true;
}
else if (ext && line.ToLower().StartsWith("#extinf:")) //extinfo of each song
{
continue;
}
else if (line.StartsWith("#") || line == "") //pass blank lines
{
continue;
}
else
{
await Task.Run(() =>
{
index++;
FileInfo info = new FileInfo(file.Path); //get playlist file info to get directory path
string path = line;
if (!File.Exists(line) && line[1] != ':') // if file doesn't exist then perhaps the path is relative
{
path = info.DirectoryName + line; //add directory path to song path.
}
playlistSongs.Add(path);
});
}
}
return(await PlaylistHelper.GetSongsInAllFoldersAsync(playlistSongs).ConfigureAwait(false));
}
}
public async Task <IEnumerable <Mediafile> > LoadPlaylist(StorageFile file)
{
using (var reader = new StreamReader(await file.OpenStreamForReadAsync()))
{
bool hdr = false; //[playlist] header
string version = ""; //pls version at the end
int noe = 0; //numberofentries at the end.
int nr = 0;
int failedFiles = 0;
//int count = 0;
string line; //a single line in stream
List <string> lines = new List <string>();
List <string> playlistSongs = new List <string>();
while ((line = reader.ReadLine()) != null)
{
lines.Add(line);
nr++;
if (line == "[playlist]")
{
hdr = true;
}
else if (!hdr)
{
return(null);
}
else if (line.ToLower().StartsWith("numberofentries="))
{
noe = Convert.ToInt32(line.Split('=')[1]);
}
else if (line.ToLower().StartsWith("version="))
{
version = line.Split('=')[1];
}
}
string[,] tracks = new string[noe, 3];
nr = 0;
foreach (string l in lines)
{
var _l = l.ToLower();
if (_l.StartsWith("file") || _l.StartsWith("title") || _l.StartsWith("length"))
{
int tmp = 4;
int index = 0;
if (_l.StartsWith("title"))
{
tmp = 5; index = 1;
}
else if (_l.StartsWith("length"))
{
tmp = 6; index = 2;
}
string[] split = l.Split('=');
int number = Convert.ToInt32(split[0].Substring(tmp));
if (number > noe)
{
continue;
}
tracks[number - 1, index] = split[1];
}
//else if (!_l.StartsWith("numberofentries") && _l != "[playlist]" && !_l.StartsWith("version="))
//{
//}
}
for (int i = 0; i < noe; i++)
{
await Task.Run(() =>
{
try
{
string trackPath = tracks[i, 0];
FileInfo info = new FileInfo(file.Path); //get playlist file info to get directory path
string path = trackPath;
if (!File.Exists(trackPath) && line[1] != ':') // if file doesn't exist then perhaps the path is relative
{
path = info.DirectoryName + line; //add directory path to song path.
}
playlistSongs.Add(path);
}
catch
{
failedFiles++;
}
});
}
return(await PlaylistHelper.GetSongsInAllFoldersAsync(playlistSongs).ConfigureAwait(false));
}
}