internal override void Read(int TagLength)
{
if(!read) {
tagFlags = new Dictionary<string, V23Flags>();
if(hasExtHeader) {
// consuming the extended header, but not caring about it
byte[] exHeader = new byte[10];
mp3.Read(exHeader, 0, exHeader.Length);
}
while(true) {
byte[] rawFrameID = new byte[4];
byte[] rawSize = new byte[4];
byte[] rawFlags = new byte[2];
byte[] frameData;
mp3.Read(rawFrameID, 0, rawFrameID.Length);
string frameID = Encoding.ASCII.GetString(rawFrameID);
if(badFrameID(frameID))
break;
mp3.Read(rawSize, 0, rawSize.Length);
int frameSize = getFrameSize(rawSize);
if(frameSize == -1)
break;
// discarding the language portion of the COM tag
if(frameID == "COMM") {
mp3.Position += 4;
frameSize -= 4;
}
// skipping the PRIV tag, too much of a pain.
if(frameID == "PRIV") {
mp3.Position += frameSize + 3;
continue;
}
frameData = new byte[frameSize];
mp3.Read(rawFlags, 0, rawFlags.Length);
tagFlags[frameID] = new V23Flags(rawFlags);
byte encByte = (byte)mp3.ReadByte();
mp3.Read(frameData, 0, frameData.Length);
if(frameID != "APIC") {
tags.Add(new Tag(frameID, frameData, encByte));
} else {
images.Add(getImage(frameData));
}
if((mp3.Position - 10) >= TagLength)
break;
}
Tags = tags.ToArray();
Images = images.ToArray();
read = true;
}
}
internal override void Read(int TagLength)
{
if (!read)
{
tagFlags = new Dictionary <string, V23Flags>();
if (hasExtHeader)
{
// consuming the extended header, but not caring about it
byte[] exHeader = new byte[10];
mp3.Read(exHeader, 0, exHeader.Length);
}
while (true)
{
byte[] rawFrameID = new byte[4];
byte[] rawSize = new byte[4];
byte[] rawFlags = new byte[2];
byte[] frameData;
mp3.Read(rawFrameID, 0, rawFrameID.Length);
string frameID = Encoding.ASCII.GetString(rawFrameID);
if (badFrameID(frameID))
{
break;
}
mp3.Read(rawSize, 0, rawSize.Length);
int frameSize = getFrameSize(rawSize);
if (frameSize == -1)
{
break;
}
// discarding the language portion of the COM tag
if (frameID == "COMM")
{
mp3.Position += 4;
frameSize -= 4;
}
// skipping the PRIV tag, too much of a pain.
if (frameID == "PRIV")
{
mp3.Position += frameSize + 3;
continue;
}
frameData = new byte[frameSize];
mp3.Read(rawFlags, 0, rawFlags.Length);
tagFlags[frameID] = new V23Flags(rawFlags);
byte encByte = (byte)mp3.ReadByte();
mp3.Read(frameData, 0, frameData.Length);
if (frameID != "APIC")
{
tags.Add(new Tag(frameID, frameData, encByte));
}
else
{
images.Add(getImage(frameData));
}
if ((mp3.Position - 10) >= TagLength)
{
break;
}
}
Tags = tags.ToArray();
Images = images.ToArray();
read = true;
}
}
