Ejemplo n.º 1
0
        protected override void SetMasterElementValue(ulong id, ulong size)
        {
            switch (id)
            {
            case ElementID.SeekHead:
                Stream.Seek((long)size, SeekOrigin.Current);
                break;

            case ElementID.Info:
            {
                var child = new Info
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                child.LoadChildren();
                Info.Add(child);
            }
            break;

            case ElementID.Cues:
            {
                Cues = new Cues
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                Cues.LoadChildren();
            }
            break;

            case ElementID.Tracks:
            {
                var child = new Tracks
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                child.LoadChildren();
                Tracks.Add(child);
            }
            break;

            case ElementID.Cluster:
                if (Cluster == null)
                {
                    Cluster = new Cluster()
                    {
                        Stream = Stream,
                        Offset = Stream.Position,
                        Size   = size,
                        Parent = this
                    };
                }
                Stream.Seek((long)size, SeekOrigin.Current);
                break;

            case ElementID.Attachments:
            {
                Attachments = new Attachments
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                Attachments.LoadChildren();
            }
            break;

            case ElementID.Chapters:
            {
                Chapters = new Chapters
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                Chapters.LoadChildren();
            }
            break;

            case ElementID.Tags:
            {
                var child = new Tags
                {
                    Stream = Stream,
                    Offset = Stream.Position,
                    Size   = size
                };
                child.LoadChildren();
                Tags.Add(child);
            }
            break;
            }
        }
Ejemplo n.º 2
0
        public static Document ReadFromStream(Stream stream)
        {
            Document doc = new Document()
            {
                Offset = 0,
                Stream = stream,
                Size   = (ulong)stream.Length
            };

            doc.Header   = new List <EBML>();
            doc.Segments = new List <Segment>();

            if (!doc.TryParse(stream, doc.Header, true))
            {
                //mkv 아냥..
                return(doc);
            }

            if (!doc.TryParse(stream, doc.Segments, false))
            {
                //Segment 없어!
                return(doc);
            }

            foreach (var segment in doc.Segments)
            {
                stream.Seek(segment.Offset, SeekOrigin.Begin);
                segment.SeekHead = new List <SeekHead>();
                segment.TryParse <SeekHead>(stream, segment.SeekHead, true);

                if (segment.SeekHead.Count > 0)
                {
                    //메타 시크가 검색이 되었다면 개별적으로 로드
                    foreach (var seekHead in segment.SeekHead)
                    {
                        foreach (var seek in seekHead.Seek)
                        {
                            //스트림 포지션 이동해야 된다....
                            stream.Seek(segment.Offset + (long)seek.SeekPosition, SeekOrigin.Begin);

                            switch (seek.SeekID)
                            {
                            case ElementID.Info:
                                //그리고 ConvVlong 과 ToUlong 비교해보자...
                                segment.TryParse <Info>(stream, segment.Info, true);
                                break;

                            case ElementID.Tracks:
                                segment.TryParse <Tracks>(stream, segment.Tracks, true);
                                break;

                            case ElementID.Cues:
                                Cues cues = null;
                                if (segment.TryParse <Cues>(stream, out cues, true))
                                {
                                    segment.Cues = cues;
                                }
                                break;

                            //폰트가 저장할때 사용
                            case ElementID.Attachments:
                                Attachments attachments = null;
                                if (segment.TryParse <Attachments>(stream, out attachments, true))
                                {
                                    segment.Attachments = attachments;
                                }
                                break;

                            //사용할일이 없다....
                            case ElementID.Chapters:
                                Chapters chapters = null;
                                if (segment.TryParse <Chapters>(stream, out chapters, true))
                                {
                                    //    segment.Chapters = chapters;
                                }
                                break;

                            //사용할일이 현재로썬 없다....
                            case ElementID.Tags:
                                //segment.TryParse<Tags>(stream, segment.Tags, true);
                                break;
                            }
                        }
                    }
                }

                if (doc.Segments[0].Tracks == null || !doc.Segments[0].Tracks.Any())
                {
                    //메타 시크가 검색되지 않았으므로, 순차적으로 전체(클러스터 포함) 로딩...(이 경우.. .로딩 프로그레스 처리 고려)
                    segment.LoadChildren();
                }
            }
            return(doc);
        }