예제 #1
0
        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);
        }
예제 #2
0
 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;
 }