/// <summary>
/// Create binary data from unsynchronised lyrics/comment frame
/// </summary>
/// <returns>binary frame data</returns>
public override byte[] Make()
{
MemoryStream buffer = new MemoryStream();
BinaryWriter writer = new BinaryWriter(buffer);
writer.Write((byte)_textEncoding);
//TODO: Validate langage field
byte[] language = TextBuilder.WriteASCII(_language);
if (language.Length != 3)
{
writer.Write(new byte[] { (byte)'e', (byte)'n', (byte)'g' });
}
else
{
writer.Write(language, 0, 3);
}
writer.Write(TextBuilder.WriteText(_contents, _textEncoding));
writer.Write(TextBuilder.WriteTextEnd(_text, _textEncoding));
return(buffer.ToArray());
}
/// <summary>
/// Parse binary data unsynchronised lyrics/comment frame.
/// </summary>
/// <param name="frame">binary frame data</param>
public override void Parse(byte[] frame)
{
int index = 0;
_textEncoding = (TextCode)frame[index];
index++;
//TODO: Invalid tag, may be legacy.
if (frame.Length - index < 3)
{
return;
}
_language = UTF8Encoding.UTF8.GetString(frame, index, 3);
index += 3; // Three language bytes
if (frame.Length - index < 1)
{
return;
}
_contents = TextBuilder.ReadText(frame, ref index, _textEncoding);
_text = TextBuilder.ReadTextEnd(frame, index, _textEncoding);
}
