public void readMedium(Media tmp)
{
try
{
media = tmp;
pictureBox1.Image = null;
textBox1.Text = media.TrackNr.ToString();
textBox2.Text = media.Title;
textBox3.Text = media.Album;
textBox4.Text = media.Artist;
textBox5.Text = media.Year.ToString();
textBox6.Text = media.Genre;
textBox7.Text = media.Comment;
textBox8.Text = media.Composer;
textBox9.Text = media.Copyright;
if (media.Cover != null)
pictureBox1.Image = Image.FromStream(media.Cover);
}
catch (IOException ex)
{
throw ex;
}
}
// Bekannter Bug bei DirectX: Laden eines Videos verursacht LoaderLock Exception.
// Bitte unter Debug-->Exceptions-->ManagedDebuggingAsssistants den Haken bei "LoaderLock" entfernen.
/**
* Opens a media file and optionally updates some information in the media object, which was discovered after opening the file
* \param media The media object which should get opened
* */
public void open(ref Media media)
{
setFilePathFromUri(media.uri);
if (filepath != null)
{
try
{
PictureBox picbox;
DXvideo = new Video(filepath, false);
media.Length = (int)getLength();
picbox = Program.gui.getVideoCanvas();
DXvideo.Owner = picbox;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
/**
* Adds an Array of Medias to the current playlist
* \param media An array with one or more MediaObjects
*/
public void addMedia(Media[] media)
{
if (media == null) return;
foreach (Media m in media)
addMedia(m);
}
/**
* Add a Media to the current playlist.
* \param media A Mediaobject that sould be added.
*/
public void addMedia(Media media)
{
if (media == null) return;
mediaList.Add(FileInfo.Instance.getInfo(media));
}
/**
* Adds a new media object to the database
*
* \param media The media object which is to be added to the database
* */
private void addFile(Media media)
{
MDBAction add;
Media mInDB = null;
if (media.uri.Scheme == Uri.UriSchemeFile)
{
System.IO.FileInfo fi = new System.IO.FileInfo(media.uri.LocalPath);
foreach (Media m in mediaList)
{
if (m.uri == media.uri)
{
// File already in mediaDB
System.Diagnostics.Debug.Print("Already in MDB: " + media.uri);
mInDB = m;
break;
}
//else if (m.SHA1Sum == media.SHA1Sum)
//{
// // Duplicate file
// System.Diagnostics.Debug.Print("Duplicate file: " + media.uri + " vs. " + m.uri);
//}
}
if (mInDB == null)
{
// If it's not in the database, then it should get added
add = MDBAction.Add;
}
else
{
// Check the date of last modification
if (fi.LastWriteTime != mInDB.MTime)
{
// It's been modified since our last indexing, replace the old version
add = MDBAction.Replace;
}
else
{
// It's the same file, we can keep the information we already have in the database
add = MDBAction.Skip;
}
}
}
else
{
/* not-file:/-URIs don't have a modification date, so we add it, if it's not in the database, and keep the version in the database, if the same URI already
* exists in the MediaDB */
foreach (Media m in mediaList)
{
if (m.uri == media.uri)
{
add = MDBAction.Skip;
break;
}
}
add = MDBAction.Add;
}
switch (add)
{
case MDBAction.Add:
System.Diagnostics.Debug.Print("Adding media: " + media.uri);
mediaList.Add(FileInfo.Instance.getInfo(media));
break;
case MDBAction.Replace:
System.Diagnostics.Debug.Print("Replacing media: " + media.uri);
mediaList.Remove(mInDB);
mediaList.Add(FileInfo.Instance.getInfo(media));
break;
case MDBAction.Skip:
System.Diagnostics.Debug.Print("Skipping media: " + media.uri);
break;
}
gui_SplashScreen.SetProgressBar(1);
}
/**
* Opens a media file and optionally updates some information in the media object, which was discovered after opening the file
* \param media The media object which should get opened
* */
public void open(ref Media media)
{
media.Length = Crossfade.Properties.Settings.Default.PictureShowTime;
setFilePathFromUri(media.uri);
}
/**
* Opens a Media File
* \param
*/
public void open(ref Media file)
{
if (file == null) return;
IPlayer oldPlayer = _player;
if (file.uri.Scheme == Uri.UriSchemeFile)
{
switch (file.Type)
{
case Media.MediaType.Audio:
_player = _playerFMOD;
Program.gui.setViewmode(Viewmode.Playlist);
break;
case Media.MediaType.Picture:
_player = _playerPic;
Program.gui.setViewmode(Viewmode.Picture);
break;
case Media.MediaType.Video:
_player = _playerVideo;
Program.gui.setViewmode(Viewmode.Video);
break;
case Media.MediaType.Unknown:
_player = null;
break;
}
}
else
{
_player = _playerFMOD;
}
if (oldPlayer != _player && oldPlayer != null)
oldPlayer.stop();
try
{
if (_player != null)
try
{
_player.open(ref file);
}
catch (InvalidOperationException ie)
{
throw ie;
}
}
catch (System.Net.WebException w)
{
throw w;
}
}
private void btnOpen_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.CheckPathExists = true;
ofd.DereferenceLinks = true;
ofd.RestoreDirectory = true;
ofd.Filter = "Musikdateien (*.mp3, *.ogg, *.flac, *.wma)|*.mp3;*.ogg;*.flac; *.wma|Alle Dateien (*.*)|*.*";
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
Media media = new Media(new Uri(System.IO.Path.GetFullPath(ofd.FileName)));
if (mediaListBackup != null)
{
mediaListBackup.Add(FileInfo.Instance.getInfo(media));
}
else
{
Playlist.Instance.addMedia(media);
}
this.updatePlaylist();
}
}
private void addMediaToPlaylist(String s)
{
string ext = Path.GetExtension(s);
if (ext.ToLower().EndsWith(".m3u"))
{
Media[] arr = Playlist.Instance.parseM3U(new Uri(s));
if (mediaListBackup != null)
{
foreach (Media m in arr)
{
mediaListBackup.Add(FileInfo.Instance.getInfo(m));
}
}
else
{
foreach (Media m in arr)
{
Playlist.Instance.addMedia(FileInfo.Instance.getInfo(m));
}
}
}
else
{
Media media = new Media(new Uri(s));
if (mediaListBackup != null)
{
mediaListBackup.Add(FileInfo.Instance.getInfo(media));
}
else
{
Playlist.Instance.addMedia(media);
}
}
this.updatePlaylist();
}
/**
* Main function which gets passed a media object and tries to complete the missing information about this object. It calls TagLib to read ID3v2 tags, fiHash
* to calculate the SHA1-hashvalue, etc.
*
* \param media The media object which should get completed.
* \return The media object with hopefully more information that before.
* */
public Media getInfo(Media media)
{
if (media.uri.Scheme == Uri.UriSchemeFile)
{
System.IO.FileInfo fi = new System.IO.FileInfo(media.uri.LocalPath);
if (media.MTime != fi.LastWriteTime)
{
System.Diagnostics.Debug.Print("MTime modified, re-reading FileInfo: " + media.uri);
/* Filehash */
try
{
if (media.Type != Media.MediaType.Video)
{
fiHash hash = new fiHash(media.uri);
media.SHA1Sum = hash.SHA256;
}
if (media.uri.LocalPath.ToLower().EndsWith(".cda"))
{
media.Album = "Unknown Audio CD";
media.Artist = "Unknown";
media.Title = media.uri.LocalPath.ToString();
/* fixme, get length of audio track here */
//media.Length = ;
string trackname = Path.GetFileNameWithoutExtension(media.uri.LocalPath);
string alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.";
string tracknr = trackname.Trim(alphabet.ToCharArray());
try
{
media.TrackNr = Convert.ToUInt32(tracknr);
}
catch (InvalidCastException)
{
media.TrackNr = 1;
}
}
else if (media.Type == Media.MediaType.Audio)
{
/* Taglib */
LibraryTagLib tl = new LibraryTagLib(media.uri);
media.TrackNr = tl.Tracknr;
media.Title = tl.Title;
media.Album = tl.Album;
media.Artist = tl.Artist;
media.Year = tl.Year;
media.Genre = tl.Genre;
media.Comment = tl.Comment;
media.Composer = tl.Composer;
media.Copyright = tl.Copyright;
media.Length = tl.Length;
media.Rating = tl.Rating;
if (media.Album == "" && media.Title == "" && media.Artist == "")
{
string media_file = media.uri.LocalPath;
media.Title = media_file.Substring(media_file.LastIndexOf("\\") + 1);
}
}
else if (media.Type == Media.MediaType.Picture)
{
string media_file = media.uri.LocalPath;
media.Title = media_file.Substring(media_file.LastIndexOf("\\") + 1);
media.Artist = "(Image)";
media.Length = 10000;
}
else if (media.Type == Media.MediaType.Video)
{
string media_file = media.uri.LocalPath;
media.Title = media_file.Substring(media_file.LastIndexOf("\\") + 1);
media.Artist = "(Video)";
}
else
{
media.Title = "(Unknown)";
media.Artist = "(Unknown)";
media.Album = "(Unknown)";
}
/* LastWriteTime */
media.MTime = fi.LastWriteTime;
}
catch (IOException ex)
{
throw ex;
}
}
else
{
System.Diagnostics.Debug.Print("MTime not modified, skipping FileInfo: " + media.uri);
}
}
return media;
}
private static bool checkMediaForMatch(Media m, Query.Match match)
{
bool valid = false;
List<string> lhs = new List<string>(3);
switch (match.lhs)
{
case Query.MatchLHS.All:
lhs.Add(m.Artist);
lhs.Add(m.Album);
lhs.Add(m.Title);
lhs.Add(m.uri.ToString());
break;
case Query.MatchLHS.SHA1:
lhs.Add(m.SHA1Sum);
break;
case Query.MatchLHS.TrackNr:
lhs.Add(m.TrackNr.ToString());
break;
case Query.MatchLHS.Title:
lhs.Add(m.Title);
break;
case Query.MatchLHS.Album:
lhs.Add(m.Album);
break;
case Query.MatchLHS.Artist:
lhs.Add(m.Artist);
break;
case Query.MatchLHS.Rating:
lhs.Add(m.Rating.ToString());
break;
case Query.MatchLHS.Year:
lhs.Add(m.Year.ToString());
break;
case Query.MatchLHS.Genre:
lhs.Add(m.Genre);
break;
case Query.MatchLHS.Comment:
lhs.Add(m.Comment);
break;
default:
throw new ArgumentException("Invalid matchLHS!");
}
foreach (string target in lhs)
{
try
{
switch (match.op)
{
case Query.MatchOp.Contains:
valid = valid || target.ToUpper().Contains(match.rhs.ToUpper());
break;
case Query.MatchOp.Is:
valid = valid || (String.Compare(target, match.rhs, true) == 0);
break;
case Query.MatchOp.IsNot:
valid = valid || (String.Compare(target, match.rhs, true) != 0);
break;
}
}
catch (NullReferenceException)
{
System.Diagnostics.Debug.Print("NullReferenceException in queryEngine, not matching target");
}
}
return valid;
}
/**
* FIXME
*/
public Media[] query(Query q)
{
List<Media> resultSet = new List<Media>();
foreach (Media m in _mediaList)
{
bool matches;
switch (q.conj)
{
case Query.Conjunction.And:
matches = true;
break;
case Query.Conjunction.Or:
matches = false;
break;
default:
throw new ArgumentException("Invalid Query.Conjunction!");
}
foreach (Query.Match match in q.match)
{
bool valid = checkMediaForMatch(m, match);
if (q.conj == Query.Conjunction.And)
{
if (!valid)
{
matches = false;
break;
}
else
{
}
}
else if (q.conj == Query.Conjunction.Or)
{
if (!valid)
{
}
else
{
matches = true;
break;
}
}
}
if (matches)
resultSet.Add(m);
}
// Sort
switch (q.sort.by)
{
case Query.SortBy.Album:
resultSet.Sort(new ObjectComparer<Media>("Album"));
break;
case Query.SortBy.Artist:
resultSet.Sort(new ObjectComparer<Media>("Artist"));
break;
case Query.SortBy.Smart:
resultSet.Sort(new ObjectComparer<Media>("Artist ASC, Album ASC, TrackNr ASC", true));
break;
case Query.SortBy.Title:
resultSet.Sort(new ObjectComparer<Media>("Title"));
break;
case Query.SortBy.TrackNr:
resultSet.Sort(new ObjectComparer<Media>("TrackNr"));
break;
case Query.SortBy.Year:
resultSet.Sort(new ObjectComparer<Media>("Year"));
break;
}
// Limit to numberOfResults
if (q.numberOfResults > -1)
{
int numResults = Math.Min(q.numberOfResults, resultSet.Count);
Media[] output = new Media[numResults];
resultSet.CopyTo(0, output, 0, numResults);
return output;
}
else
{
return resultSet.ToArray();
}
}
