protected override void Decode(byte[] content)
{
if (content.Length == 0)
{
throw new ID3Exception("Contentlength is zero");
}
var info = Header.GetFrameInformation();
bool url = false;
url = (info != null) && info.ID == NAudio.Flac.FrameID.UserURLLinkFrame;
var encoding0 = ID3Utils.GetEncoding(content, 0, 1);
Encoding encoding1 = encoding0;
if (url)
{
encoding1 = ID3Utils.Iso88591;
}
int read;
Description = ID3Utils.ReadString(content, 1, -1, encoding0, out read);
if (content.Length < read + 1)
{
throw new ID3Exception("Frame does not contain any text");
}
base.Decode(content, read + 1, -1, encoding1, out read);
}
protected override void Decode(byte[] content)
{
int read;
Encoding encoding = ID3Utils.GetEncoding(content, 0, 4);
Language = ID3Utils.ReadString(content, 1, 3, ID3Utils.Iso88591);
Description = ID3Utils.ReadString(content, 4, -1, encoding, out read);
Text = ID3Utils.ReadString(content, read + 4, -1, encoding);
}
private void Parse2(Stream stream)
{
byte[] buffer = ID3Utils.Read(stream, 6);
FrameID = ID3Utils.ReadString(buffer, 0, 3, ID3Utils.Iso88591);
FrameSize = ID3Utils.ReadInt32(buffer, 3, false, 3);
//Flags not supported
Flags = FrameFlags.None;
}
protected void Decode(byte[] content, int offset, int count, Encoding encoding, out int read)
{
if (content.Length == 0)
{
throw new ID3Exception("Contentlength is zero");
}
Text = ID3Utils.ReadString(content, 0, content.Length - 1, ID3Utils.Iso88591, out read);
}
public static string GetURL(byte[] RawData, string MimeType)
{
if (RawData == null)
{
throw new InvalidOperationException("Decode the frame first");
}
if (MimeType != MimeURL)
{
throw new InvalidOperationException("MimeType != " + MimeURL);
}
return(ID3Utils.ReadString(RawData, 0, -1, ID3Utils.Iso88591));
}
private void Parse4(Stream stream)
{
byte[] buffer = ID3Utils.Read(stream, 10);
FrameID = ID3Utils.ReadString(buffer, 0, 4, ID3Utils.Iso88591);
FrameSize = ID3Utils.ReadInt32(buffer, 4, true, 4);
byte[] flags = new byte[] { buffer[8], buffer[9] };
//%0abc0000 Framestatusflags
if ((flags[0] & 0x40) == 0)
{
Flags |= FrameFlags.PreserveTagAltered;
}
if ((flags[0] & 0x20) == 0)
{
Flags |= FrameFlags.PreserveFileAltered;
}
if ((flags[0] & 0x10) != 0)
{
Flags |= FrameFlags.ReadOnly;
}
//%0h00kmnp Frameformatflags
if ((flags[1] & 0x40) != 0)
{
Flags |= FrameFlags.GroupIdentified;
GroupIdentifier = ID3Utils.Read(stream, 1)[0];
FrameSize -= 1;
}
if ((flags[1] & 0x8) != 0)
{
Flags |= FrameFlags.Compressed;
}
if ((flags[1] & 0x4) != 0)
{
Flags |= FrameFlags.Encrypted;
_encryptionMethod = ID3Utils.Read(stream, 1)[0];
FrameSize -= 1;
}
if ((flags[1] & 0x2) != 0)
{
Flags |= FrameFlags.UnsyncApplied; //todo: tag allgemein benachrichtigen?
}
if ((flags[1] & 0x1) != 0)
{
Flags |= FrameFlags.DataLengthIndicatorPresent;
_dataLengthIndicator = ID3Utils.ReadInt32(stream, true);
FrameSize -= 4;
}
}
protected override void Decode(byte[] content)
{
int offset = 1;
if (content.Length < 3)
{
throw new ID3Exception("Invalid contentlength id=0.");//id -> for debugging
}
int read;
if (_version == ID3Version.ID3v2_2)
{
//MimeType = ID3Utils.ReadString(content, offset, 3, ID3Utils.Iso88591, out read);
MimeType = ID3Utils.ReadString(content, offset, 3, ID3Utils.Iso88591, out read);
offset += 3;
}
else
{
MimeType = ID3Utils.ReadString(content, 1, -1, ID3Utils.Iso88591, out read);
offset += read;
}
if (content.Length < offset)
{
throw new ID3Exception("Invalid contentlength id=1.");
}
if (!Enum.IsDefined(typeof(PictureFormat), content[offset]))
{
throw new ID3Exception("Invalid pictureformat: 0x{0}", content[offset].ToString("x"));
}
Format = (PictureFormat)content[offset++];
if (content.Length < offset)
{
throw new ID3Exception("Invalid contentlength id=2.");
}
var descenc = ID3Utils.GetEncoding(content, 0, 2);
Description = ID3Utils.ReadString(content, offset, -1, descenc, out read);
offset += read;
if (content.Length < offset)
{
throw new ID3Exception("Invalid contentlength id=3.");
}
RawData = new byte[content.Length - offset];
Array.Copy(content, offset, RawData, 0, RawData.Length);
}
protected override void Decode(byte[] content)
{
if (content.Length == 0)
{
throw new ID3Exception("Contentlength is zero");
}
int read;
OwnerIdentifier = ID3Utils.ReadString(content, 0, content.Length, ID3Utils.Iso88591, out read);
Data = new byte[content.Length - read];
if (Data.Length > 0)
{
Array.Copy(content, read, Data, 0, Data.Length);
}
}
private void Parse3(Stream stream)
{
byte[] buffer = ID3Utils.Read(stream, 10);
FrameID = ID3Utils.ReadString(buffer, 0, 4, ID3Utils.Iso88591);
FrameSize = ID3Utils.ReadInt32(buffer, 4, false, 4);
byte[] flags = new byte[] { buffer[8], buffer[9] };
//%abc00000
if ((flags[0] & 0x80) == 0)
{
Flags |= FrameFlags.PreserveTagAltered;
}
if ((flags[0] & 0x40) == 0)
{
Flags |= FrameFlags.PreserveFileAltered;
}
if ((flags[0] & 0x20) != 0)
{
Flags |= FrameFlags.ReadOnly;
}
//%ijk00000
if ((flags[1] & 0x80) != 0)
{
Flags |= FrameFlags.Compressed;
_uncompressedSize = ID3Utils.ReadInt32(stream, false);
FrameSize -= 4;
}
if ((flags[1] & 0x40) != 0)
{
Flags |= FrameFlags.Encrypted;
_encryptionMethod = ID3Utils.Read(stream, 1)[0];
FrameSize -= 1;
}
if ((flags[1] & 0x20) != 0)
{
Flags |= FrameFlags.GroupIdentified;
GroupIdentifier = ID3Utils.Read(stream, 1)[0];
FrameSize -= 1;
}
}
protected override void Decode(byte[] content)
{
int offset = 1;
int read;
Price = ID3Utils.ReadString(content, offset, -1, ID3Utils.Iso88591, out read);
offset += read;
IsValidUntil = ID3Utils.ReadString(content, offset, -1, ID3Utils.Iso88591, out read);
offset += read;
ContactURL = ID3Utils.ReadString(content, offset, -1, ID3Utils.Iso88591, out read);
offset += read;
ReceivedType = (ReceivedType)content[offset];
offset++;
var encoding = ID3Utils.GetEncoding(content, 0, offset);
offset++;
SellerName = ID3Utils.ReadString(content, offset, -1, encoding, out read);
offset += read;
Description = ID3Utils.ReadString(content, offset, -1, encoding, out read);
offset += read;
if (offset < content.Length)
{
//we've got a attached logo
LogoMimeType = ID3Utils.ReadString(content, offset, -1, ID3Utils.Iso88591, out read);
offset += read;
var logoData = new byte[content.Length - offset];
Array.Copy(content, offset, logoData, 0, logoData.Length);
Image = ID3Utils.DecodeImage(logoData, LogoMimeType);
}
}
protected override void Decode(byte[] content)
{
Encoding e;
int index = 1;
Strings.Clear();
e = ID3Utils.GetEncoding(content, 0, 1);
//int read = 0;
//e = ID3Utils.GetEncoding2(content, 0, out read);
//index = read;
while (index < content.Length)
{
int r = 0;
Strings.Add(ID3Utils.ReadString(content, index, -1, e, out r));
index += r;
}
if (Strings.Count == 0)
{
Strings.Add(String.Empty);
}
}