// ---------- SPECIFIC MEMBERS
public static VorbisMetaDataBlockPicture ReadMetadataBlockPicture(Stream s)
{
VorbisMetaDataBlockPicture result = new VorbisMetaDataBlockPicture();
int stringLen;
BinaryReader r = new BinaryReader(s);
result.nativePicCode = StreamUtils.ReverseInt32(r.ReadInt32());
result.picType = ID3v2.DecodeID3v2PictureType(result.nativePicCode);
stringLen = StreamUtils.ReverseInt32(r.ReadInt32());
result.mimeType = Utils.Latin1Encoding.GetString(r.ReadBytes(stringLen));
stringLen = StreamUtils.ReverseInt32(r.ReadInt32());
result.description = Encoding.UTF8.GetString(r.ReadBytes(stringLen));
result.width = StreamUtils.ReverseInt32(r.ReadInt32());
result.height = StreamUtils.ReverseInt32(r.ReadInt32());
result.colorDepth = StreamUtils.ReverseInt32(r.ReadInt32());
result.colorNum = StreamUtils.ReverseInt32(r.ReadInt32());
result.picDataLength = StreamUtils.ReverseInt32(r.ReadInt32());
result.picDataOffset = 4 + 4 + result.mimeType.Length + 4 + result.description.Length + 4 + 4 + 4 + 4 + 4;
return(result);
}
public void readTagField(BinaryReader source, string zoneCode, string fieldName, ushort fieldDataType, int fieldDataSize, ReadTagParams readTagParams, bool isExtendedHeader = false, ushort languageIndex = 0, ushort streamNumber = 0)
{
string fieldValue = "";
bool setMeta = true;
addFrameClass(fieldName, fieldDataType);
if (0 == fieldDataType) // Unicode string
{
fieldValue = Utils.StripEndingZeroChars(Encoding.Unicode.GetString(source.ReadBytes(fieldDataSize)));
}
else if (1 == fieldDataType) // Byte array
{
if (fieldName.ToUpper().Equals("WM/PICTURE"))
{
byte picCode = source.ReadByte();
// TODO factorize : abstract PictureTypeDecoder + unsupported / supported decision in MetaDataIO ?
PictureInfo.PIC_TYPE picType = ID3v2.DecodeID3v2PictureType(picCode);
int picturePosition;
if (picType.Equals(PictureInfo.PIC_TYPE.Unsupported))
{
addPictureToken(MetaDataIOFactory.TAG_NATIVE, picCode);
picturePosition = takePicturePosition(MetaDataIOFactory.TAG_NATIVE, picCode);
}
else
{
addPictureToken(picType);
picturePosition = takePicturePosition(picType);
}
if (readTagParams.ReadPictures)
{
int picSize = source.ReadInt32();
string mimeType = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode);
string description = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode);
PictureInfo picInfo = PictureInfo.fromBinaryData(source.BaseStream, picSize, picType, getImplementedTagType(), picCode, picturePosition);
picInfo.Description = description;
tagData.Pictures.Add(picInfo);
}
setMeta = false;
}
else
{
source.BaseStream.Seek(fieldDataSize, SeekOrigin.Current);
}
}
else if (2 == fieldDataType) // 16-bit Boolean (metadata); 32-bit Boolean (extended header)
{
if (isExtendedHeader)
{
fieldValue = source.ReadUInt32().ToString();
}
else
{
fieldValue = source.ReadUInt16().ToString();
}
}
else if (3 == fieldDataType) // 32-bit unsigned integer
{
uint intValue = source.ReadUInt32();
if (fieldName.Equals("WM/GENRE", StringComparison.OrdinalIgnoreCase))
{
intValue++;
}
fieldValue = intValue.ToString();
}
else if (4 == fieldDataType) // 64-bit unsigned integer
{
fieldValue = source.ReadUInt64().ToString();
}
else if (5 == fieldDataType) // 16-bit unsigned integer
{
fieldValue = source.ReadUInt16().ToString();
}
else if (6 == fieldDataType) // 128-bit GUID; unused for now
{
source.BaseStream.Seek(fieldDataSize, SeekOrigin.Current);
}
if (setMeta)
{
SetMetaField(fieldName.Trim(), fieldValue, readTagParams.ReadAllMetaFrames, zoneCode, 0, streamNumber, decodeLanguage(source.BaseStream, languageIndex));
}
}
