System.IO.BitSplitter.RemainingBytes C# (CSharp) Méthode

        public byte[] RemainingBytes()
        {
            MemoryStream ms = new MemoryStream(src.Length - ByteOffset);
            ms.Write(src, ByteOffset, src.Length - ByteOffset);
            return ms.ToArray();
        }

            private void DecodeElementaryStream(BitSplitter bs)
            {
                int marker = (int)bs.GetInteger(2);
                if (marker != 2) throw new DemuxException("Invalid PES: first marker missing");
                ReadFlags(bs);
                if (bs.BitOffset != 0) throw new DemuxException("Alignment problem in PES (internal)");
                HeaderLength = (int)bs.GetInteger(8);

                int head_start = bs.ByteOffset;
                if (HasPTS && HasDTS) {
                    ReadDTS_PTS(bs);
                } else if (HasPTS) {
                    ReadPTS(bs);
                }

                if (HasESCR) bs.SkipBytes(6); // not currently used.
                if (HasEsRate) bs.SkipBits(24); // not currently used.
                if (UsesTrickMode) bs.SkipBytes(1); // ignored
                if (MoreCopyright) bs.SkipBytes(1); // ignored
                if (HasPesCRC) bs.SkipBytes(2); // ignored

                if (HasPesExtension) ReadExtendedHeader(bs);

                // skip anything that's left
                int head_end = bs.ByteOffset;
                int to_skip = HeaderLength - (head_end - head_start);
                if (to_skip < 0) throw new DemuxException("Invalid PES: declared header length did not match measured length");
                bs.SkipBytes(to_skip);

                // Now, the remaining bytes are data and padding
                int data_length = PacketLength - (HeaderLength + to_skip) - 3; // no idea where the '3' is coming from...
                byte[] data = bs.RemainingBytes();
                if (data.Length < data_length)
                    throw new DemuxException("Invalid PES: packet shorter than described");

                /*if (data.Length != data_length)
                    throw new DemuxException("Possible issue: expect length != real length");*/
                MemoryStream ms = new MemoryStream(data, 0, data_length);
                FrameData = ms.ToArray();
            }