////------------------------------------------------------------------------------------------------------------------------------
/// <inheritdoc />
public byte[] ToByteArray()
{
using (StreamBuffer buffer = new StreamBuffer())
{
if (UseHeader)
{
// Header
buffer.Write(HeaderIdentifierBytes);
buffer.WritePadding(NullByte, 2);
buffer.WriteString(XingEncoderVersion);
buffer.WritePadding(NullByte, 2);
buffer.WriteString(Version);
buffer.WritePadding(NullByte, 2);
buffer.WritePadding(PaddingByte, 226);
}
// Image extension
int imageExtensionOffset = (int)buffer.Position;
if ((Image != null) && !String.IsNullOrEmpty(Image.FileExtension))
{
buffer.WriteString(Image.FileExtension);
buffer.WritePadding(PaddingByte, 4 - Image.FileExtension.Length);
}
else
buffer.WritePadding(PaddingByte, 4);
// Image binary
int imageBinaryOffset = (int)buffer.Position;
if ((Image != null) && (Image.BinaryImage != null))
{
buffer.WriteInt(Image.BinaryImage.Length);
buffer.Write(Image.BinaryImage);
}
else
buffer.WriteInt(0);
// Unused
int unusedOffset = (int)buffer.Position;
buffer.WritePadding(NullByte, 4);
// Version information
int versionInfoOffset = (int)buffer.Position;
buffer.WriteString(HeaderIdentifier);
buffer.WritePadding(NullByte, 2);
buffer.WriteString(XingEncoderVersion);
buffer.WritePadding(NullByte, 2);
buffer.WriteString(Version);
buffer.WritePadding(NullByte, 2);
buffer.WritePadding(PaddingByte, 226);
// Audio meta-data
// The audio meta-data is the heart of the MusicMatch tag. It contains most
// of the pertinent information found in other tagging formats (song title,
// album title, artist, etc.) and some that are unique to this format (mood,
// preference, situation).
int audioMetaDataOffset = (int)buffer.Position;
// Single-line text fields
buffer.WriteShort((short)(SongTitle ?? String.Empty).Length);
buffer.WriteString(SongTitle ?? String.Empty);
buffer.WriteShort((short)(AlbumTitle ?? String.Empty).Length);
buffer.WriteString(AlbumTitle ?? String.Empty);
buffer.WriteShort((short)(ArtistName ?? String.Empty).Length);
buffer.WriteString(ArtistName ?? String.Empty);
buffer.WriteShort((short)(Genre ?? String.Empty).Length);
buffer.WriteString(Genre ?? String.Empty);
buffer.WriteShort((short)(Tempo ?? String.Empty).Length);
buffer.WriteString(Tempo ?? String.Empty);
buffer.WriteShort((short)(Mood ?? String.Empty).Length);
buffer.WriteString(Mood ?? String.Empty);
buffer.WriteShort((short)(Situation ?? String.Empty).Length);
buffer.WriteString(Situation ?? String.Empty);
buffer.WriteShort((short)(Preference ?? String.Empty).Length);
buffer.WriteString(Preference ?? String.Empty);
// Non-text fields
buffer.WriteShort((short)(SongDuration ?? String.Empty).Length);
buffer.WriteString(SongDuration ?? String.Empty);
buffer.WriteDouble(CreationDate.ToOADate());
buffer.WriteInt(PlayCounter);
buffer.WriteShort((short)(OriginalFilename ?? String.Empty).Length);
buffer.WriteString(OriginalFilename ?? String.Empty);
buffer.WriteShort((short)(SerialNumber ?? String.Empty).Length);
buffer.WriteString(SerialNumber ?? String.Empty);
buffer.WriteShort(TrackNumber);
// Multi-line text fields
buffer.WriteShort((short)(Notes ?? String.Empty).Length);
buffer.WriteString(Notes ?? String.Empty);
buffer.WriteShort((short)(ArtistBio ?? String.Empty).Length);
buffer.WriteString(ArtistBio ?? String.Empty);
buffer.WriteShort((short)(Lyrics ?? String.Empty).Length);
buffer.WriteString(Lyrics ?? String.Empty);
// Internet addresses
buffer.WriteShort((short)(ArtistUrl ?? String.Empty).Length);
buffer.WriteString(ArtistUrl ?? String.Empty);
buffer.WriteShort((short)(BuyCdUrl ?? String.Empty).Length);
buffer.WriteString(BuyCdUrl ?? String.Empty);
buffer.WriteShort((short)(ArtistEmail ?? String.Empty).Length);
buffer.WriteString(ArtistEmail ?? String.Empty);
// Null bytes
buffer.WritePadding(NullByte, 16);
// In all versions of the MusicMatch format up to and including 3.00, the
// section is always 7868 bytes in length. All subsequent versions allowed
// three possible lengths for this section: 7936, 8004, and 8132 bytes. The
// conditions under which a particular length from these three possibilities
// was used is unknown. In all cases, this section is padded with dashes
// ($2D) to achieve this constant size.
double version;
if (!Double.TryParse(Version, out version))
version = 3.100000;
// The padding is calculated by taking the AudioMetaDataSize minus the total size of audio meta data fields,
// minus the total size of the data offset fields, minus the footer size.
long paddingSize = ((version <= 3.1) ? AudioMetaDataSizes.First() : AudioMetaDataSizes.Last()) - (buffer.Length - audioMetaDataOffset) - DataOffsetFieldsSize - FooterSize;
buffer.WritePadding(0x2D, (int)paddingSize);
// Data offsets
buffer.WriteInt(imageExtensionOffset);
buffer.WriteInt(imageBinaryOffset);
buffer.WriteInt(unusedOffset);
buffer.WriteInt(versionInfoOffset);
buffer.WriteInt(audioMetaDataOffset);
// Footer
buffer.Write(FooterIdentifierBytes);
buffer.WritePadding(PaddingByte, 13);
buffer.WriteString(Version.Substring(0 ,4));
buffer.WritePadding(PaddingByte, 12);
return buffer.ToByteArray();
}
}
public void WriteDoubleTest()
{
StreamBuffer target = new StreamBuffer(); // TODO: Initialize to an appropriate value
double value = 0F; // TODO: Initialize to an appropriate value
target.WriteDouble(value);
Assert.Inconclusive("A method that does not return a value cannot be verified.");
}