private static void write(Chunk chunk, StreamAccessor accessor)
{
accessor.Write(chunk.name, EncodingType.CC4);
StreamAccessor ac2 = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
// 内容
if (chunk.content != null)
{
if (chunk.content is byte[])
{
accessor.Write((byte[])chunk.content);
}
else if (chunk.content is System.IO.Stream)
{
accessor.WriteStream((System.IO.Stream)chunk.content);
}
else
{
RiffChunkReadWriteAttribute.Write(chunk.content, accessor);
}
}
else if (chunk._data != null)
{
accessor.Write(chunk._data);
}
else if (chunk._stream != null)
{
accessor.WriteStream(chunk.Stream);
}
ac2.Write(checked ((uint)(accessor.Position - pos0)), EncodingType.U4);
ac2.Stream.Close();
}
public static void WriteToStream(Tag value, StreamAccessor accessor, out System.Action <long> SetSize)
{
long pos_size;
Stream stream = new MemoryStream();
StreamAccessor accessor2 = new StreamAccessor(stream);
StreamAccessor accessor3 = null;
long start = 0L;
if (value.has_ext)
{
value.WriteExtHeader(accessor2, out accessor3);
start = stream.Position;
}
foreach (Frame frame in value.frames.Values)
{
accessor2.WriteAs <Frame>(frame);
}
if (value.has_ext)
{
long length = stream.Position - start;
accessor3.Write(ID3Utils.CalculateCRC32(stream, start, length), EncodingType.U4BE);
accessor3.Stream.Close();
}
bool unsync = ID3Utils.ID3RequiredUnsync(stream);
if (unsync)
{
Stream stream2 = ID3Utils.ID3Unsynchronize(stream);
stream.Close();
stream = stream2;
}
value.WriteTagHeader(accessor, unsync, out pos_size);
SetSize = delegate(long size){
if (size > StreamAccessor.MaxUInt28)
{
throw new System.ArgumentOutOfRangeException("Tag の情報量が多すぎて保存できません。Tag の内容は 256MB より小さくなる様にして下さい");
}
accessor.PushPosition(pos_size);
accessor.Write((uint)size, EncodingType.UInt28BE);
accessor.PopPosition();
};
accessor.WriteStream(stream);
}
