public void TestYear ()
{
Riff.DivXTag tag = new Riff.DivXTag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Year, "Initially zero");
ByteVector rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Year, "Still zero");
tag.Year = 1999;
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual (1999, tag.Year);
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual (1999, tag.Year);
tag.Year = 20000;
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Year, "Again zero");
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Year, "Still zero");
}
public void TestPerformers ()
{
Riff.DivXTag tag = new Riff.DivXTag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Performers.Length, "Initially empty");
ByteVector rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Performers.Length, "Still empty");
tag.Performers = new string [] {"A123456789", "B123456789", "C123456789", "D123456789", "E123456789"};
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("A123456789; B123456789; C123456789; D123456789; E123456789", tag.JoinedPerformers);
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("A123456789; B123456789; C12345", tag.JoinedPerformers);
tag.Performers = new string [0];
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Performers.Length, "Again empty");
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Performers.Length, "Still empty");
}
public void TestTitle ()
{
Riff.DivXTag tag = new Riff.DivXTag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.IsNull (tag.Title, "Initially null");
ByteVector rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.IsNull (tag.Title, "Still null");
tag.Title = "01234567890123456789012345678901234567890123456789";
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("01234567890123456789012345678901234567890123456789", tag.Title);
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("01234567890123456789012345678901", tag.Title);
tag.Title = string.Empty;
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.IsNull (tag.Title, "Again null");
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.IsNull (tag.Title, "Still null");
}
/// <summary>
/// Saves the changes made in the current instance to the
/// file it represents.
/// </summary>
public override void Save()
{
Mode = AccessMode.Write;
try {
ByteVector data = new ByteVector();
// Enclose the Id3v2 tag in an "ID32" item and
// embed it as the first tag.
if (id32_tag != null)
{
ByteVector tag_data = id32_tag.Render();
if (tag_data.Count > 10)
{
if (tag_data.Count % 2 == 1)
{
tag_data.Add(0);
}
data.Add("ID32");
data.Add(ByteVector.FromUInt(
(uint)tag_data.Count,
false));
data.Add(tag_data);
}
}
// Embed "INFO" as the second tag.
if (info_tag != null)
{
data.Add(info_tag.RenderEnclosed());
}
// Embed "MID " as the third tag.
if (mid_tag != null)
{
data.Add(mid_tag.RenderEnclosed());
}
// Embed the DivX tag in "IDVX and embed it as
// the fourth tag.
if (divx_tag != null && !divx_tag.IsEmpty)
{
ByteVector tag_data = divx_tag.Render();
data.Add("IDVX");
data.Add(ByteVector.FromUInt(
(uint)tag_data.Count, false));
data.Add(tag_data);
}
// Read the file to determine the current RIFF
// size and the area tagging does in.
uint riff_size;
long tag_start, tag_end;
Read(false, ReadStyle.None, out riff_size,
out tag_start, out tag_end);
// If tagging info cannot be found, place it at
// the end of the file.
if (tag_start < 12 || tag_end < tag_start)
{
tag_start = tag_end = Length;
}
int length = (int)(tag_end - tag_start);
// If the tag isn't at the end of the file,
// try appending using padding to improve
// write time now or for subsequent writes.
if (tag_end != Length)
{
int padding_size = length - data.Count - 8;
if (padding_size < 0)
{
padding_size = 1024;
}
data.Add("JUNK");
data.Add(ByteVector.FromUInt(
(uint)padding_size, false));
data.Add(new ByteVector(padding_size));
}
// Insert the tagging data.
Insert(data, tag_start, length);
// If the data size changed, and the tagging
// data is within the RIFF portion of the file,
// update the riff size.
if (data.Count - length != 0 &&
tag_start <= riff_size)
{
Insert(ByteVector.FromUInt((uint)
(riff_size + data.Count - length),
false), 4, 4);
}
// Update the tag types.
TagTypesOnDisk = TagTypes;
} finally {
Mode = AccessMode.Closed;
}
}
public override void Save()
{
Mode = AccessMode.Write;
try
{
ByteVector data = new ByteVector();
if (id32_tag != null)
{
ByteVector tag_data = id32_tag.Render();
if (tag_data.Count > 10)
{
if (tag_data.Count % 2 == 1)
{
tag_data.Add(0);
}
data.Add("ID32");
data.Add(ByteVector.FromUInt((uint)tag_data.Count, false));
data.Add(tag_data);
}
}
if (info_tag != null)
{
data.Add(info_tag.RenderEnclosed());
}
if (mid_tag != null)
{
data.Add(mid_tag.RenderEnclosed());
}
if (divx_tag != null && !divx_tag.IsEmpty)
{
ByteVector tag_data = divx_tag.Render();
data.Add("IDVX");
data.Add(ByteVector.FromUInt((uint)tag_data.Count, false));
data.Add(tag_data);
}
uint riff_size;
long tag_start, tag_end;
Read(false, ReadStyle.None, out riff_size, out tag_start, out tag_end);
if (tag_start < 12 || tag_end < tag_start)
{
tag_start = tag_end = Length;
}
int length = (int)(tag_end - tag_start);
if (tag_end != Length)
{
int padding_size = length - data.Count - 8;
if (padding_size < 0)
{
padding_size = 1024;
}
data.Add("JUNK");
data.Add(ByteVector.FromUInt((uint)padding_size, false));
data.Add(new ByteVector(padding_size));
}
Insert(data, tag_start, length);
if (data.Count - length != 0 && tag_start <= riff_size)
{
Insert(ByteVector.FromUInt((uint)(riff_size + data.Count - length), false), 4, 4);
}
TagTypesOnDisk = TagTypes;
}
finally
{
Mode = AccessMode.Closed;
}
}
public void TestGenres ()
{
Riff.DivXTag tag = new Riff.DivXTag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Genres.Length, "Initially empty");
ByteVector rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
tag.Genres = new string [] {"Action", "Comedy", "Non-Genre", "Claymation"};
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("Action", tag.JoinedGenres);
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("Action", tag.JoinedGenres);
tag.Genres = new string [] {"Non-Genre"};
Assert.IsTrue (tag.IsEmpty, "Surprisingly empty");
Assert.AreEqual (0, tag.Genres.Length, "Surprisingly empty");
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
tag.Genres = new string [0];
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Genres.Length, "Again empty");
rendered = tag.Render ();
tag = new Riff.DivXTag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
}
