// Read a media-file's metadata2 (tags) into a simple SongInfo2 struct that
// uses little memory... use a static method to initialize it.
//---------------------------------------------------------------------------
public SongInfo2 Read2(string file)
{
string ext = Path.GetExtension(file).ToLower();
SongInfo2 si = new SongInfo2();
si.FilePath = file;
if (ext == ".wma" || ext == ".asf" || ext == ".wmv" || ext == ".wm")
{
try
{
si.FileType = SongInfo2.FT_WMA; // wma tag info
MediaDataManager mdm = new MediaDataManager();
if (mdm == null)
{
si.bException = true; // Error
return si;
}
TrackInfo ti;
try { ti = mdm.RetrieveTrackInfo(file); }
catch
{
si.bException = true;
return si;
}
si.Duration = ti.Duration; if (si.Duration.TotalSeconds > 0) si.bDurationTag = true;
if (ti.Title != null) { si.Title = ti.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (ti.AlbumArtist != null) { si.Artist = ti.AlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
// ti.Author: The Author attribute is the name of a media artist or actor associated with the content.
// This attribute may have multiple values. To retrieve all of the values for a multi-valued attribute, you must use
// the Media.getItemInfoByType method, not the Media.getItemInfo (WinMediaLib project) method.
// Same as FirstPerformer in a mp3 file
if (ti.Author != null) { si.Performer = ti.Author.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; }
if (ti.AlbumTitle != null) { si.Album = ti.AlbumTitle.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
}
catch { si.bException = true; } // Threw an exception
}
else using (TagLib.File tagFile = TagLib.File.Create(file)) // Use taglib-sharp...
{
try
{
si.FileType = SongInfo2.FT_MP3; // mp3 tag info
if (tagFile == null)
{
si.bException = true; // Error
return si;
}
si.Duration = tagFile.Properties.Duration; if (si.Duration.TotalSeconds > 0) si.bDurationTag = true;
// Try to read the v2 tag-frame...
TagLib.Id3v2.Tag tagv2 = (TagLib.Id3v2.Tag)tagFile.GetTag(TagLib.TagTypes.Id3v2);
if (tagv2 != null)
{
if (tagv2.Title != null) { si.Title = tagv2.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (tagv2.FirstAlbumArtist != null) { si.Artist = tagv2.FirstAlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
if (tagv2.FirstPerformer != null) { si.Performer = tagv2.FirstPerformer.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; } // Same as Author in a wma file
if (tagv2.Album != null) { si.Album = tagv2.Album.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
}
else // Try to read the old v1 tag
{
// Try to read the v1 tag-frame...
TagLib.Id3v1.Tag tagv1 = (TagLib.Id3v1.Tag)tagFile.GetTag(TagLib.TagTypes.Id3v1);
if (tagv1.Title != null) { si.Title = tagv1.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (tagv1.FirstAlbumArtist != null) { si.Artist = tagv1.FirstAlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
if (tagv1.FirstPerformer != null) { si.Performer = tagv1.FirstPerformer.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; } // Same as Author in a wma file
if (tagv1.Album != null) { si.Album = tagv1.Album.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
}
}
catch { si.bException = true; } // Threw an exception
}
return si;
}
// Read a media-file's metadata (tags) into a SongInfo struct...
//---------------------------------------------------------------------------
public SongInfo Read(string file)
{
SongInfo si = new SongInfo();
si.FilePath = file;
if (FilterInList(Path.GetExtension(file).ToLower()))
{
try
{
si.FileType = SongInfo.FT_WMA; // wma tag info
MediaDataManager mdm = new MediaDataManager();
if (mdm == null)
{
si.bException = true; // Error
return si;
}
TrackInfo ti;
try { ti = mdm.RetrieveTrackInfo(file); }
catch
{
si.bException = true;
return si;
}
si.Duration = ti.Duration; if (si.Duration.TotalSeconds > 0) si.bDurationTag = true;
if (ti.Title != null) { si.Title = ti.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (ti.AlbumArtist != null) { si.Artist = ti.AlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
// ti.Author: The Author attribute is the name of a media artist or actor associated with the content.
// This attribute may have multiple values. To retrieve all of the values for a multi-valued attribute, you must use
// the Media.getItemInfoByType method, not the Media.getItemInfo (WinMediaLib project) method.
// Same as FirstPerformer in a mp3 file
if (ti.Author != null) { si.Performer = ti.Author.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; }
if (ti.AlbumTitle != null) { si.Album = ti.AlbumTitle.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
if (ti.Composer != null) { si.Composer = ti.Composer.Trim(); if (!string.IsNullOrEmpty(si.Composer)) si.bComposerTag = true; }
if (ti.Genre != null) { si.Genre = ti.Genre.Trim(); if (!string.IsNullOrEmpty(si.Genre)) si.bGenreTag = true; }
if (ti.Text != null) { si.Comments = ti.Text.Trim(); if (!string.IsNullOrEmpty(si.Comments)) si.bCommentsTag = true; }
if (ti.Lyrics != null) { si.Lyrics = ti.Lyrics.Trim(); if (!string.IsNullOrEmpty(si.Lyrics)) si.bLyricsTag = true; }
if (ti.AcoustID != null) { si.AcoustID = ti.AcoustID.Trim(); if (!string.IsNullOrEmpty(si.AcoustID)) si.bAcoustIDTag = true; }
if (ti.MBID != null) { si.MBID = ti.MBID.Trim(); if (!string.IsNullOrEmpty(si.MBID)) si.bMBIDTag = true; }
if (ti.Conductor != null) { si.Conductor = ti.Conductor.Trim(); if (!string.IsNullOrEmpty(si.Conductor)) si.bConductorTag = true; }
if (ti.Publisher != null) { si.Publisher = ti.Publisher.Trim(); if (!string.IsNullOrEmpty(si.Publisher)) si.bPublisherTag = true; }
if (ti.Year != null) { si.Year = ti.Year.Trim(); if (!string.IsNullOrEmpty(si.Year)) si.bYearTag = true; }
si.Track = ti.Track.ToString(); if (!string.IsNullOrEmpty(si.Track)) si.bTrackTag = true;
// Extra info...
si.FileSize = (long)ti.FileSize; if (si.FileSize >= 0) si.bFilesizeTag = true;
si.BitRate = (int)ti.BitRate; if (si.BitRate >= 0) si.bBitrateTag = true;
si.bProtected = ti.IsProtected;
}
catch
{
si.ClearAll();
si.bException = true; // Threw an exception
}
}
else using (TagLib.File tagFile = TagLib.File.Create(file)) // Use taglib-sharp...
{
// Note - checking Length on a null string throws an exception!
// Snippet to read rating sio... (not sure if for mp3 or wma!) but cool :)
//
//TagLib.Tag tag123 = tagsio.GetTag(TagTypes.Id3v2);
//var usr = "******";
//TagLib.Id3v2.PopularimeterFrame frame = TagLib.Id3v2.PopularimeterFrame.Get(
// (TagLib.Id3v2.Tag)tag123, usr, true);
//ulong PlayCount = frame.PlayCount;
//int Rating = frame.Rating;
// To WRITE:
//Id3v2.Tag tag = (Id3v2.Tag)file.GetTag(TagTypes.Id3v2, true); // set create flag
//tag.SetTextFrame(FrameType.TRCK, "03");
try
{
//TagLib.dll Usage:
//
//TagLib.File tagFile = TagLib.File.Create(mp3file);
//uint year = tagFile.Tag.Year;
//
//You set the tags like this:
//tagFile.Tag.Year = year;
//
//And then save the changes:
//tagFile.Save();
si.FileType = SongInfo.FT_MP3; // mp3 tag info
if (tagFile == null)
{
si.bException = true; // Error
return si;
}
si.Duration = tagFile.Properties.Duration; if (si.Duration.TotalSeconds > 0) si.bDurationTag = true;
if (tagFile.Properties.Description != null) { si.Description = tagFile.Properties.Description.Trim(); if (!string.IsNullOrEmpty(si.Description)) si.bDescriptionTag = true; }
si.BitRate = tagFile.Properties.AudioBitrate; si.bBitrateTag = true;
si.FileSize = tagFile.Length; si.bFilesizeTag = true;
// add flags???
si.Channels = tagFile.Properties.AudioChannels;
si.BitsPerSample = tagFile.Properties.BitsPerSample;
si.SampleRate = tagFile.Properties.AudioSampleRate;
// Try to read the v2 tag-frame...
TagLib.Id3v2.Tag tagv2 = (TagLib.Id3v2.Tag)tagFile.GetTag(TagLib.TagTypes.Id3v2);
if (tagv2 != null)
{
if (tagv2.Title != null) { si.Title = tagv2.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (tagv2.FirstAlbumArtist != null) { si.Artist = tagv2.FirstAlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
if (tagv2.FirstPerformer != null) { si.Performer = tagv2.FirstPerformer.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; } // Same as Author in a wma file
if (tagv2.FirstComposer != null) { si.Composer = tagv2.FirstComposer.Trim(); if (!string.IsNullOrEmpty(si.Composer)) si.bComposerTag = true; }
if (tagv2.Album != null) { si.Album = tagv2.Album.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
if (tagv2.FirstGenre != null) { si.Genre = tagv2.FirstGenre.Trim(); if (!string.IsNullOrEmpty(si.Genre)) si.bGenreTag = true; }
if (tagv2.Comment != null) { si.Comments = tagv2.Comment.Trim(); if (!string.IsNullOrEmpty(si.Comments)) si.bCommentsTag = true; }
if (tagv2.Lyrics != null) { si.Lyrics = tagv2.Lyrics.Trim(); if (!string.IsNullOrEmpty(si.Lyrics)) si.bLyricsTag = true; }
if (tagv2.MusicIpId != null) { si.AcoustID = tagv2.MusicIpId.Trim(); if (!string.IsNullOrEmpty(si.AcoustID)) si.bAcoustIDTag = true; }
if (tagv2.MusicBrainzTrackId != null) { si.MBID = tagv2.MusicBrainzTrackId.Trim(); if (!string.IsNullOrEmpty(si.MBID)) si.bMBIDTag = true; }
if (tagv2.Conductor != null) { si.Conductor = tagv2.Conductor.Trim(); if (!string.IsNullOrEmpty(si.Conductor)) si.bConductorTag = true; }
if (tagv2.Publisher != null) { si.Publisher = tagv2.Publisher.Trim(); if (!string.IsNullOrEmpty(si.Publisher)) si.bPublisherTag = true; }
if (tagv2.Year > 0) { si.Year = tagv2.Year.ToString(); if (!string.IsNullOrEmpty(si.Year)) si.bYearTag = true; }
if (tagv2.Track > 0) { si.Track = tagv2.Track.ToString(); if (!string.IsNullOrEmpty(si.Track)) si.bTrackTag = true; }
if (tagv2.Copyright != null) { si.Copyright = tagv2.Copyright.Trim(); if (!string.IsNullOrEmpty(si.Copyright)) si.bCopyrightTag = true; }
// Extra info
si.TrackCount = (int)tagv2.TrackCount;
si.Disc = (int)tagv2.Disc;
si.DiscCount = (int)tagv2.DiscCount;
}
else // Try to read the old v1 tag
{
// Try to read the v1 tag-frame...
TagLib.Id3v1.Tag tagv1 = (TagLib.Id3v1.Tag)tagFile.GetTag(TagLib.TagTypes.Id3v1);
if (tagv1 == null)
{
si.ClearAll();
si.bException = true; // Error
return si;
}
if (tagv1.Title != null) { si.Title = tagv1.Title.Trim(); if (!string.IsNullOrEmpty(si.Title)) si.bTitleTag = true; }
if (tagv1.FirstAlbumArtist != null) { si.Artist = tagv1.FirstAlbumArtist.Trim(); if (!string.IsNullOrEmpty(si.Artist)) si.bArtistTag = true; }
if (tagv1.FirstPerformer != null) { si.Performer = tagv1.FirstPerformer.Trim(); if (!string.IsNullOrEmpty(si.Performer)) si.bPerformerTag = true; } // Same as Author in a wma file
if (tagv1.FirstComposer != null) { si.Composer = tagv1.FirstComposer.Trim(); if (!string.IsNullOrEmpty(si.Composer)) si.bComposerTag = true; }
if (tagv1.Album != null) { si.Album = tagv1.Album.Trim(); if (!string.IsNullOrEmpty(si.Album)) si.bAlbumTag = true; }
if (tagv1.FirstGenre != null) { si.Genre = tagv1.FirstGenre.Trim(); if (!string.IsNullOrEmpty(si.Genre)) si.bGenreTag = true; }
if (tagv1.Comment != null) { si.Comments = tagv1.Comment.Trim(); if (!string.IsNullOrEmpty(si.Comments)) si.bCommentsTag = true; }
if (tagv1.Lyrics != null) { si.Lyrics = tagv1.Lyrics.Trim(); if (!string.IsNullOrEmpty(si.Lyrics)) si.bLyricsTag = true; }
if (tagv1.MusicIpId != null) { si.AcoustID = tagv1.MusicIpId.Trim(); if (!string.IsNullOrEmpty(si.AcoustID)) si.bAcoustIDTag = true; }
if (tagv1.MusicBrainzTrackId != null) { si.MBID = tagv1.MusicBrainzTrackId.Trim(); if (!string.IsNullOrEmpty(si.MBID)) si.bMBIDTag = true; }
if (tagv1.Conductor != null) { si.Conductor = tagv1.Conductor.Trim(); if (!string.IsNullOrEmpty(si.Conductor)) si.bConductorTag = true; }
if (tagv1.Year > 0) { si.Year = tagv1.Year.ToString(); if (!string.IsNullOrEmpty(si.Year)) si.bYearTag = true; }
if (tagv1.Track > 0) { si.Track = tagv1.Track.ToString(); if (!string.IsNullOrEmpty(si.Track)) si.bTrackTag = true; }
if (tagv1.Copyright != null) { si.Copyright = tagv1.Copyright.Trim(); if (!string.IsNullOrEmpty(si.Copyright)) si.bCopyrightTag = true; }
// Extra info
si.TrackCount = (int)tagv1.TrackCount;
si.Disc = (int)tagv1.Disc;
si.DiscCount = (int)tagv1.DiscCount;
}
}
catch
{
si.ClearAll();
si.bException = true; // Threw an exception
}
}
// Trim it up
si.TrimAll();
return si;
}
