public override void Save()
{
Mode = AccessMode.Write;
try {
ByteVector data = new ByteVector();
if (id32_tag != null)
{
ByteVector tag_data = id32_tag.Render();
if (tag_data.Count > 10)
{
if (tag_data.Count % 2 == 1)
{
tag_data.Add(0);
}
data.Add("ID32");
data.Add(ByteVector.FromUInt(
(uint)tag_data.Count,
false));
data.Add(tag_data);
}
}
if (info_tag != null)
{
data.Add(info_tag.RenderEnclosed());
}
if (mid_tag != null)
{
data.Add(mid_tag.RenderEnclosed());
}
if (divx_tag != null && !divx_tag.IsEmpty)
{
ByteVector tag_data = divx_tag.Render();
data.Add("IDVX");
data.Add(ByteVector.FromUInt(
(uint)tag_data.Count, false));
data.Add(tag_data);
}
uint riff_size;
long tag_start, tag_end;
Read(false, ReadStyle.None, out riff_size,
out tag_start, out tag_end);
if (tag_start < 12 || tag_end < tag_start)
{
tag_start = tag_end = Length;
}
int length = (int)(tag_end - tag_start);
int padding_size = length - data.Count - 8;
if (padding_size < 0)
{
padding_size = 1024;
}
data.Add("JUNK");
data.Add(ByteVector.FromUInt(
(uint)padding_size, false));
data.Add(new ByteVector(padding_size));
Insert(data, tag_start, length);
if (data.Count - length != 0 &&
tag_start <= riff_size)
{
Insert(ByteVector.FromUInt((uint)
(riff_size + data.Count - length),
false), 4, 4);
}
TagTypesOnDisk = TagTypes;
} finally {
Mode = AccessMode.Closed;
}
}
