private void SetPropertyIfValid(TagLib.Matroska.Tag target, string value, string key)
{
SetPropertyIfValid(target, value, (d, e) => d.Set(key, null, e));
}
public void WriteSpecificTags()
{
if (System.IO.File.Exists(tmp_file))
{
System.IO.File.Delete(tmp_file);
}
File file;
System.IO.File.Copy(sample_file, tmp_file);
file = File.Create(tmp_file);
Assert.NotNull(file);
// Write Matroska-specific tags
var mtag = (TagLib.Matroska.Tag)file.GetTag(TagTypes.Matroska);
Assert.NotNull(mtag);
mtag.PerformersRole = new[] { "TEST role 1", "TEST role 2" };
mtag.Set("CHOREGRAPHER", null, "TEST choregrapher");
// Retrieve Matroska 'Tags' structure
var mtags = mtag.Tags;
// Add a new Matroska 'Tag' structure, representing a collection, in the 'Tags' structure
var collectag = new TagLib.Matroska.Tag(mtags, TagLib.Matroska.TargetType.COLLECTION);
// Add a Matroska 'SimpleTag' (TagName: 'ARRANGER') in the 'Tag' structure
collectag.Set("ARRANGER", null, "TEST arranger");
// Add a Matroska 'SimpleTag' (TagName: 'TITLE') in the 'Tag' structure
collectag.Set("TITLE", null, "TEST Album title"); // This should map to the standard TagLib Album tag
// Get tracks
var tracks = mtag.Tags.Tracks;
// Create video tags
var videotag = new TagLib.Matroska.Tag(mtag.Tags, TagLib.Matroska.TargetType.CHAPTER, tracks[0])
{
Title = "The Video test"
};
videotag.Set("DESCRIPTION", null, "Video track Tag test");
videotag.SimpleTags["DESCRIPTION"][0].TagLanguage = "en";
videotag.SimpleTags["DESCRIPTION"][0].TagDefault = false;
// Add another description in another language (and check encoding correctness at the same time)
videotag.SimpleTags["DESCRIPTION"].Add(new TagLib.Matroska.SimpleTag("Test de piste vidéo"));
videotag.SimpleTags["DESCRIPTION"][1].TagLanguage = "fr";
// Remove Audio tags
var audiotag = mtag.Tags.Get(tracks[1]);
Assert.NotNull(audiotag);
audiotag.Clear();
// Eventually save the changes
file.Save();
// Read back the Matroska-specific tags
file = File.Create(tmp_file);
Assert.NotNull(mtag);
mtag = (TagLib.Matroska.Tag)file.GetTag(TagTypes.Matroska);
Assert.NotNull(mtag);
Assert.AreEqual("TEST role 1; TEST role 2", string.Join("; ", mtag.PerformersRole));
Assert.AreEqual("TEST choregrapher", mtag.Get("CHOREGRAPHER", null)[0]);
Assert.AreEqual("TEST arranger", mtags.Album.Get("ARRANGER", null)[0]);
Assert.AreEqual("TEST Album title", mtag.Album);
// Get tracks
tracks = mtag.Tags.Tracks;
Assert.NotNull(tracks);
// Test Video Track Tag
videotag = mtag.Tags.Get(tracks[0]);
Assert.NotNull(videotag);
Assert.AreEqual(TagLib.Matroska.TargetType.CHAPTER, videotag.TargetType);
Assert.AreEqual(30, videotag.TargetTypeValue);
Assert.AreEqual("The Video test", videotag.Title);
Assert.AreEqual("Video track Tag test", videotag.SimpleTags["DESCRIPTION"][0]);
Assert.AreEqual("en", videotag.SimpleTags["DESCRIPTION"][0].TagLanguage);
Assert.AreEqual(false, videotag.SimpleTags["DESCRIPTION"][0].TagDefault);
// implicit or explicit conversion from TagLib.Matroska.SimpleTag to string is required to ensure a proper encoding
Assert.AreEqual("Test de piste vidéo", videotag.SimpleTags["DESCRIPTION"][1].ToString());
Assert.AreEqual("fr", videotag.SimpleTags["DESCRIPTION"][1].TagLanguage);
Assert.AreEqual(true, videotag.SimpleTags["DESCRIPTION"][1].TagDefault);
// Test Audio Track Tag
audiotag = mtag.Tags.Get(tracks[1]);
Assert.IsNull(audiotag);
Assert.AreEqual("TEST Album title", mtag.Album);
}
