public byte[] GetBytes()
{
using (MemoryStream ms = new MemoryStream())
{
ms.Write(Header, 0, Header.Length);
if (!this.Meta.ContainsKey("duration"))
{ // assure that we add space for the duration key
this.Meta["duration"] = 0.0; // place holder..
}
if (!this.Meta.ContainsKey("lasttimestamp"))
{ // assure that we add space for the lasttimestamp
this.Meta["lasttimestamp"] = 0.0; // place holder..
}
byte[] meta = new AmfEncoderDecoder().EncodeMetaData(this.Meta, this.DebugOrder);
Tag.TagSize = meta.Length;
byte[] metahead = Tag.GetBytes();
ms.Write(metahead, 0, metahead.Length);
//ms.Write(Tag.Data, 0, Tag.Data.Length);
ms.Write(meta, 0, meta.Length);
return(ms.GetBuffer().Take((int)ms.Position).ToArray());
}
}
private void GrabHeader(byte[] buffer)
{
_ms.Write(buffer, 0, buffer.Length);
if (_ms.Position >= BUF_LEN)
{ // have we filled enough?
_ms.Position = 0;
_ms.Read(_header.Header, 0, _header.Header.Length); // read the header.
_ms.Read(_header.Tag.PrevSize, 0, sizeof(int)); // read prev tag len (should be 0).
_header.Tag.TagType = (byte)_ms.ReadByte(); // Tag type (0x12 for Meta)
Debug.Write(string.Format("Tag Type: {0}\n", _header.Tag.TagType));
Debug.Assert(_header.Tag.TagType == (byte)TagType.META);
byte[] tagSize = new byte[sizeof(int)];
_ms.Read(tagSize, 1, 3); // read 24 bit body length. Note: Body length + 11 is the entire TAG size
tagSize[0] = 0;
Array.Reverse(tagSize);
_header.Tag.TagSize = BitConverter.ToInt32(tagSize, 0);
Debug.Write(string.Format("Tag Size: {0}\n", _header.Tag.TagSize));
byte[] tagMs = new byte[sizeof(int)];
_ms.Read(tagMs, 1, 3); // read 24 bit body length. Note: Body length + 11 is the entire TAG size
tagMs[0] = 0;
Array.Reverse(tagMs);
_header.Tag.TimeStamp = BitConverter.ToInt32(tagMs, 0);
Debug.Write(string.Format("Tag TimeStamp: {0}\n", _header.Tag.TimeStamp));
_header.Tag.TimeExtra = (byte)_ms.ReadByte();
_ms.Read(_header.Tag.StreamId, 0, _header.Tag.StreamId.Length);
_header.Tag.Data = new byte[_header.Tag.TagSize];
_ms.Read(_header.Tag.Data, 0, _header.Tag.Data.Length);
AmfEncoderDecoder amf = new AmfEncoderDecoder();
_header.Meta = amf.DecodeMetaData(_header.Tag.Data);
_header.DebugOrder = amf.DebugOrder;
byte[] header = _header.GetBytes();
_fs.Write(header, 0, header.Length);
// Now that we have what we came for.. lets start writing the file out Tag by Tag...
hasHeader = true;
_readPos = 0;
byte[] rest = _ms.GetBuffer().Skip((int)_ms.Position).Take((int)(_ms.Length - _ms.Position)).ToArray();
_ms.Position = 0;
Write(rest);
}
}