public byte[] getFrame(int frame) {
if (Sizes == null) {
int StartOffset = HeaderSize;
byte[] FrameData = new byte[data.length - HeaderSize];
System.arraycopy(data, StartOffset, FrameData, 0, FrameData.length);
return FrameData;
}
byte[] FrameData = new byte[Sizes[frame]];
int StartOffset = HeaderSize;
for (int s = 0; s < frame; s++) {
StartOffset += Sizes[s];
}
System.arraycopy(data, StartOffset, FrameData, 0, FrameData.length);
return FrameData;
}
// Faster than getFrame, but not as pretty.
public int frameCopy(int frame, byte[] buffer, int bufferStartOffset) {
int bytesCopied;
if (Sizes == null) {
int StartOffset = HeaderSize;
bytesCopied = data.length - HeaderSize;
if ((bufferStartOffset + bytesCopied) > buffer.length) {
int copyToStart = ((bufferStartOffset + bytesCopied) - buffer.length);
int copyToEnd = bytesCopied - copyToStart;
System.arraycopy(data, StartOffset, buffer, bufferStartOffset, copyToEnd);
System.arraycopy(data, StartOffset + copyToEnd, buffer, 0, copyToStart);
} else {
System.arraycopy(data, StartOffset, buffer, bufferStartOffset, bytesCopied);
}
return bytesCopied;
}
bytesCopied = Sizes[frame];
int StartOffset = HeaderSize;
for (int s = 0; s < frame; s++) {
StartOffset += Sizes[s];
}
if ((bufferStartOffset + bytesCopied) > buffer.length) {
int copyToStart = ((bufferStartOffset + bytesCopied) - buffer.length);
int copyToEnd = bytesCopied - copyToStart;
System.arraycopy(data, StartOffset, buffer, bufferStartOffset, copyToEnd);
System.arraycopy(data, StartOffset + copyToEnd, buffer, 0, copyToStart);
} else {
System.arraycopy(data, StartOffset, buffer, bufferStartOffset, bytesCopied);
}
return bytesCopied;
}