public override void AtomCreated(BaseAtom atom) { switch (atom.Type) { case STSD: _atomSTSD = (AtomSTSD) atom; break; case STTS: _atomSTTS = (AtomSTTS) atom; break; case STSC: _atomSTSC = (AtomSTSC) atom; break; case STSZ: _atomSTSZ = (AtomSTSZ) atom; break; case STCO: _atomSTCO = (AtomSTCO) atom; break; case CO64: _atomCO64 = (AtomCO64) atom; break; case CTTS: _atomCTTS = (AtomCTTS) atom; break; case STSS: _atomSTSS = (AtomSTSS) atom; break; } }
public override void AtomCreated(BaseAtom atom) { switch (atom.Type) { case STSD: _atomSTSD = (AtomSTSD)atom; break; case STTS: _atomSTTS = (AtomSTTS)atom; break; case STSC: _atomSTSC = (AtomSTSC)atom; break; case STSZ: _atomSTSZ = (AtomSTSZ)atom; break; case STCO: _atomSTCO = (AtomSTCO)atom; break; case CO64: _atomCO64 = (AtomCO64)atom; break; case CTTS: _atomCTTS = (AtomCTTS)atom; break; case STSS: _atomSTSS = (AtomSTSS)atom; break; } }
public BaseAtom ReadAtom(IBoxContainer parentAtom) { BaseAtom atom = null; uint type = 0; var currentPos = MediaFile.Position; long size = MediaFile.Br.ReadUInt32(); if (size == 0) { atom = new AtomNULL(this, type, size, currentPos) { Parent = parentAtom }; return(atom); } type = MediaFile.Br.ReadUInt32(); if (size == 1) { size = MediaFile.Br.ReadInt64(); if (size == 0) { atom = new AtomNULL(this, type, size, currentPos) { Parent = parentAtom }; return(atom); } } switch (type) { case FTYP: atom = new AtomFTYP(this, size, currentPos); break; case MOOV: atom = new AtomMOOV(this, type, size, currentPos); break; case MOOF: atom = new AtomMOOF(this, type, size, currentPos); break; case MVEX: atom = new AtomMVEX(this, type, size, currentPos); break; case MVHD: atom = new AtomMVHD(this, type, size, currentPos); break; case MFHD: atom = new AtomMFHD(this, type, size, currentPos); break; case TRAK: atom = new AtomTRAK(this, type, size, currentPos); break; case TRAF: atom = new AtomTRAF(this, type, size, currentPos); break; case TREX: atom = new AtomTREX(this, type, size, currentPos); break; case TRUN: atom = new AtomTRUN(this, type, size, currentPos); break; case TKHD: atom = new AtomTKHD(this, type, size, currentPos); break; case TFHD: atom = new AtomTFHD(this, type, size, currentPos); break; case MDIA: atom = new AtomMDIA(this, type, size, currentPos); break; case MDHD: atom = new AtomMdhd(this, type, size, currentPos); break; case HDLR: atom = new AtomHdlr(this, type, size, currentPos); break; case MINF: atom = new AtomMINF(this, type, size, currentPos); break; case SMHD: atom = new AtomSMHD(this, type, size, currentPos); break; case DINF: atom = new AtomDINF(this, type, size, currentPos); break; case STBL: atom = new AtomSTBL(this, type, size, currentPos); break; case VMHD: atom = new AtomVMHD(this, type, size, currentPos); break; case DREF: atom = new AtomDREF(this, type, size, currentPos); break; case STSD: atom = new AtomSTSD(this, type, size, currentPos); break; case STTS: atom = new AtomSTTS(this, type, size, currentPos); break; case STSC: atom = new AtomSTSC(this, type, size, currentPos); break; case STSZ: atom = new AtomSTSZ(this, type, size, currentPos); break; case STCO: atom = new AtomSTCO(this, type, size, currentPos); break; case CTTS: atom = new AtomCTTS(this, type, size, currentPos); break; case STSS: atom = new AtomSTSS(this, type, size, currentPos); break; case URL: atom = new AtomURL(this, type, size, currentPos); break; case MP4A: atom = new AtomMP4A(this, type, size, currentPos); break; case AVC1: atom = new AtomAVC1(this, type, size, currentPos); break; case ESDS: atom = new AtomESDS(this, type, size, currentPos); break; case AVCC: atom = new AtomAVCC(this, type, size, currentPos); break; case UDTA: atom = new AtomUDTA(this, type, size, currentPos); break; case WAVE: atom = new AtomWAVE(this, type, size, currentPos); break; case META: atom = new AtomMETA(this, type, size, currentPos); break; case NULL: atom = new AtomNULL(this, type, size, currentPos); break; case ILST: atom = new AtomILST(this, type, size, currentPos); break; case DATA: atom = new AtomDATA(this, type, size, currentPos); break; case CO64: atom = new AtomCO64(this, type, size, currentPos); break; case _COM: case NAME: case COVR: case AART: case _WRT: case _GRP: case _LYR: case _NAM: case _ART1: case _ART2: case _PRT: case _TOO: case _DAY: case _CMT: case _CPY: case _DES: case _ALB: case TRKN: case CPIL: case PGAP: case TMPO: case GNRE: case DISK: case _GEN: case DESC: case TVSH: case TVEN: case TVSN: case TVES: atom = new AtomMetaField(this, type, size, currentPos); break; default: { atom = new IgnoredAtom(this, type, size, currentPos); break; } } atom.Parent = parentAtom; atom.Read(); if (currentPos + atom.Size != MediaFile.Position) { FATAL("atom start:{0};Atom Size:{1};currentPostion:{2}", currentPos, atom.Size, MediaFile.Position); } return(atom); }
private void CreateStco(ITrack targetTrack, Movie movie, Dictionary <ITrack, int[]> chunks, AtomSTBL stbl) { if (ChunkOffsetBoxes[targetTrack] == null) { // The ChunkOffsetBox we create here is just a stub // since we haven't created the whole structure we can't tell where the // first chunk starts (mdat box). So I just let the chunk offset // start at zero and I will add the mdat offset later. uint offset = 0; // all tracks have the same number of chunks //LOG.logDebug("Calculating chunk offsets for track_" + targetTrack.getTrackMetaData().getTrackId()); List <ITrack> tracks = new List <ITrack>(chunks.Keys); tracks.Sort(new ChunksComparer()); Dictionary <ITrack, int> trackToChunk = new Dictionary <ITrack, int>(); Dictionary <ITrack, int> trackToSample = new Dictionary <ITrack, int>(); Dictionary <ITrack, double> trackToTime = new Dictionary <ITrack, double>(); foreach (ITrack track in tracks) { trackToChunk.Add(track, 0); trackToSample.Add(track, 0); trackToTime.Add(track, 0.0); ChunkOffsetBoxes.Add(track, new AtomSTCO()); } while (true) { ITrack nextChunksTrack = null; foreach (ITrack track in tracks) { // This always chooses the least progressed track if ((nextChunksTrack == null || trackToTime[track] < trackToTime[nextChunksTrack]) && // either first OR track's next chunk's starttime is smaller than nextTrack's next chunks starttime // AND their need to be chunks left! (trackToChunk[track] < chunks[track].Length)) { nextChunksTrack = track; } } if (nextChunksTrack == null) { break; // no next } // found the next one AtomSTCO chunkOffsetBox = ChunkOffsetBoxes[nextChunksTrack]; chunkOffsetBox.Entries.Add(offset); int nextChunksIndex = trackToChunk[nextChunksTrack]; int numberOfSampleInNextChunk = chunks[nextChunksTrack][nextChunksIndex]; int startSample = trackToSample[nextChunksTrack]; double time = trackToTime[nextChunksTrack]; var durs = nextChunksTrack.SampleDurations; for (int j = startSample; j < startSample + numberOfSampleInNextChunk; j++) { offset += (uint)Track2SampleSizes[nextChunksTrack][j]; time += (double)durs[j] / nextChunksTrack.TrackMetaData.Timescale; } trackToChunk.Add(nextChunksTrack, nextChunksIndex + 1); trackToSample.Add(nextChunksTrack, startSample + numberOfSampleInNextChunk); trackToTime.Add(nextChunksTrack, time); } } stbl.AddAtom(ChunkOffsetBoxes[targetTrack]); }