internal static VorbisTime Init(VorbisStreamDecoder vorbis, DataPacket packet) { int num = (int)packet.ReadBits(16); VorbisTime vorbisTime = (VorbisTime)null; if (num == 0) { vorbisTime = (VorbisTime) new VorbisTime.Time0(vorbis); } if (vorbisTime == null) { throw new InvalidDataException(); } vorbisTime.Init(packet); return(vorbisTime); }
internal static VorbisTime Init(VorbisStreamDecoder vorbis, DataPacket packet) { var type = (int)packet.ReadBits(16); VorbisTime time = null; switch (type) { case 0: time = new Time0(vorbis); break; } if (time == null) { throw new InvalidDataException(); } time.Init(packet); return(time); }
bool LoadBooks(DataPacket packet) { bool equal = true; byte[] sequence = new byte[] { 0x05, 0x76, 0x6f, 0x72, 0x62, 0x69, 0x73 }; byte[] packets = packet.ReadBytes(7); for (int i = 0; i < 7; i++) { if (packets[i] != sequence[i]) { equal = false; break; } } if (!equal) { return(false); } if (!_pagesSeen.Contains((_lastPageSeen = packet.PageSequenceNumber))) { _pagesSeen.Add(_lastPageSeen); } var bits = packet.BitsRead; _glueBits += packet.BitsRead; // get books Books = new VorbisCodebook[packet.ReadByte() + 1]; for (int i = 0; i < Books.Length; i++) { Books[i] = VorbisCodebook.Init(this, packet, i); } _bookBits += packet.BitsRead - bits; bits = packet.BitsRead; // get times Times = new VorbisTime[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Times.Length; i++) { Times[i] = VorbisTime.Init(this, packet); } _timeHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get floor Floors = new VorbisFloor[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Floors.Length; i++) { Floors[i] = VorbisFloor.Init(this, packet); } _floorHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get residue Residues = new VorbisResidue[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Residues.Length; i++) { Residues[i] = VorbisResidue.Init(this, packet); } _resHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get map Maps = new VorbisMapping[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Maps.Length; i++) { Maps[i] = VorbisMapping.Init(this, packet); } _mapHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get mode settings Modes = new VorbisMode[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Modes.Length; i++) { Modes[i] = VorbisMode.Init(this, packet); } _modeHdrBits += packet.BitsRead - bits; // check the framing bit if (!packet.ReadBit()) { throw new InvalidDataException(); } ++_glueBits; _wasteHdrBits += 8 * packet.Length - packet.BitsRead; _modeFieldBits = Utils.ilog(Modes.Length - 1); return(true); }
void LoadBooks(DataPacket packet) { packet.SkipBits(8); if (!packet.ReadBytes(6).SequenceEqual(new byte[] { 0x76, 0x6f, 0x72, 0x62, 0x69, 0x73 })) { throw new InvalidDataException("Corrupted book header!"); } var bits = packet.BitsRead; _glueBits += packet.BitsRead; // get books Books = new VorbisCodebook[packet.ReadByte() + 1]; for (int i = 0; i < Books.Length; i++) { Books[i] = VorbisCodebook.Init(this, packet, i); } _bookBits += packet.BitsRead - bits; bits = packet.BitsRead; // get times Times = new VorbisTime[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Times.Length; i++) { Times[i] = VorbisTime.Init(this, packet); } _timeHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get floor Floors = new VorbisFloor[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Floors.Length; i++) { Floors[i] = VorbisFloor.Init(this, packet); } _floorHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get residue Residues = new VorbisResidue[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Residues.Length; i++) { Residues[i] = VorbisResidue.Init(this, packet); } _resHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get map Maps = new VorbisMapping[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Maps.Length; i++) { Maps[i] = VorbisMapping.Init(this, packet); } _mapHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get mode settings Modes = new VorbisMode[(int)packet.ReadBits(6) + 1]; for (int i = 0; i < Modes.Length; i++) { Modes[i] = VorbisMode.Init(this, packet); } _modeHdrBits += packet.BitsRead - bits; // check the framing bit if (!packet.ReadBit()) { throw new InvalidDataException(); } ++_glueBits; _wasteHdrBits += 8 * packet.Length - packet.BitsRead; _modeFieldBits = Utils.ilog(Modes.Length - 1); }
bool LoadBooks(DataPacket packet) { if (!CheckForHeader(packet, bookHeader)) { return(false); } if (!_pagesSeen.Contains(_lastPageSeen = packet.PageSequenceNumber)) { _pagesSeen.Add(_lastPageSeen); } var bits = packet.BitsRead; _glueBits += packet.BitsRead; // get books Books = new VorbisCodebook[packet.ReadByte() + 1]; for (int i = 0; i < Books.Length; i++) { Books[i] = VorbisCodebook.Create(this, packet, i); } _bookBits += packet.BitsRead - bits; bits = packet.BitsRead; // get times Times = new VorbisTime[(int)packet.ReadUBits(6) + 1]; for (int i = 0; i < Times.Length; i++) { Times[i] = VorbisTime.Init(this, packet); } _timeHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get floor Floors = new VorbisFloor[(int)packet.ReadUBits(6) + 1]; for (int i = 0; i < Floors.Length; i++) { Floors[i] = VorbisFloor.Create(this, packet); } _floorHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get residue Residues = new VorbisResidue[(int)packet.ReadUBits(6) + 1]; for (int i = 0; i < Residues.Length; i++) { Residues[i] = VorbisResidue.Init(this, packet); } _resHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get map Maps = new VorbisMapping[(int)packet.ReadUBits(6) + 1]; for (int i = 0; i < Maps.Length; i++) { Maps[i] = VorbisMapping.Create(this, packet); } _mapHdrBits += packet.BitsRead - bits; bits = packet.BitsRead; // get mode settings Modes = new VorbisMode[(int)packet.ReadUBits(6) + 1]; for (int i = 0; i < Modes.Length; i++) { Modes[i] = VorbisMode.Init(this, packet); } _modeHdrBits += packet.BitsRead - bits; // check the framing bit if (!packet.ReadBit()) { throw new InvalidDataException(); } ++_glueBits; _wasteHdrBits += 8 * packet.Length - packet.BitsRead; _modeFieldBits = Utils.ILog(Modes.Length - 1); return(true); }
private void LoadBooks(DataPacket packet) { packet.SkipBits(8); if (!Enumerable.SequenceEqual <byte>((IEnumerable <byte>)packet.ReadBytes(6), (IEnumerable <byte>) new byte[6] { (byte)118, (byte)111, (byte)114, (byte)98, (byte)105, (byte)115 })) { throw new InvalidDataException("Corrupted book header!"); } long bitsRead1 = packet.BitsRead; this._glueBits += packet.BitsRead; this.Books = new VorbisCodebook[(int)packet.ReadByte() + 1]; for (int number = 0; number < this.Books.Length; ++number) { this.Books[number] = VorbisCodebook.Init(this, packet, number); } this._bookBits += packet.BitsRead - bitsRead1; long bitsRead2 = packet.BitsRead; this.Times = new VorbisTime[(int)packet.ReadBits(6) + 1]; for (int index = 0; index < this.Times.Length; ++index) { this.Times[index] = VorbisTime.Init(this, packet); } this._timeHdrBits += packet.BitsRead - bitsRead2; long bitsRead3 = packet.BitsRead; this.Floors = new VorbisFloor[(int)packet.ReadBits(6) + 1]; for (int index = 0; index < this.Floors.Length; ++index) { this.Floors[index] = VorbisFloor.Init(this, packet); } this._floorHdrBits += packet.BitsRead - bitsRead3; long bitsRead4 = packet.BitsRead; this.Residues = new VorbisResidue[(int)packet.ReadBits(6) + 1]; for (int index = 0; index < this.Residues.Length; ++index) { this.Residues[index] = VorbisResidue.Init(this, packet); } this._resHdrBits += packet.BitsRead - bitsRead4; long bitsRead5 = packet.BitsRead; this.Maps = new VorbisMapping[(int)packet.ReadBits(6) + 1]; for (int index = 0; index < this.Maps.Length; ++index) { this.Maps[index] = VorbisMapping.Init(this, packet); } this._mapHdrBits += packet.BitsRead - bitsRead5; long bitsRead6 = packet.BitsRead; this.Modes = new VorbisMode[(int)packet.ReadBits(6) + 1]; for (int index = 0; index < this.Modes.Length; ++index) { this.Modes[index] = VorbisMode.Init(this, packet); } this._modeHdrBits += packet.BitsRead - bitsRead6; if (!packet.ReadBit()) { throw new InvalidDataException(); } ++this._glueBits; this._wasteHdrBits += (long)(8 * packet.Length) - packet.BitsRead; this._modeFieldBits = Utils.ilog(this.Modes.Length - 1); }
public bool LoadBooks(DataPacket packet) { if (!packet.ReadBytes(7).SequenceEqual(new byte[7] { 5, 118, 111, 114, 98, 105, 115 })) { return(false); } if (!_pagesSeen.Contains(_lastPageSeen = packet.PageSequenceNumber)) { _pagesSeen.Add(_lastPageSeen); } long bitsRead = packet.BitsRead; _glueBits += packet.BitsRead; Books = new VorbisCodebook[packet.ReadByte() + 1]; for (int i = 0; i < Books.Length; i++) { Books[i] = VorbisCodebook.Init(this, packet, i); } _bookBits += packet.BitsRead - bitsRead; bitsRead = packet.BitsRead; Times = new VorbisTime[(int)packet.ReadBits(6) + 1]; for (int j = 0; j < Times.Length; j++) { Times[j] = VorbisTime.Init(this, packet); } _timeHdrBits += packet.BitsRead - bitsRead; bitsRead = packet.BitsRead; Floors = new VorbisFloor[(int)packet.ReadBits(6) + 1]; for (int k = 0; k < Floors.Length; k++) { Floors[k] = VorbisFloor.Init(this, packet); } _floorHdrBits += packet.BitsRead - bitsRead; bitsRead = packet.BitsRead; Residues = new VorbisResidue[(int)packet.ReadBits(6) + 1]; for (int l = 0; l < Residues.Length; l++) { Residues[l] = VorbisResidue.Init(this, packet); } _resHdrBits += packet.BitsRead - bitsRead; bitsRead = packet.BitsRead; Maps = new VorbisMapping[(int)packet.ReadBits(6) + 1]; for (int m = 0; m < Maps.Length; m++) { Maps[m] = VorbisMapping.Init(this, packet); } _mapHdrBits += packet.BitsRead - bitsRead; bitsRead = packet.BitsRead; Modes = new VorbisMode[(int)packet.ReadBits(6) + 1]; for (int n = 0; n < Modes.Length; n++) { Modes[n] = VorbisMode.Init(this, packet); } _modeHdrBits += packet.BitsRead - bitsRead; if (!packet.ReadBit()) { throw new InvalidDataException(); } _glueBits++; _wasteHdrBits += 8 * packet.Length - packet.BitsRead; _modeFieldBits = Utils.ilog(Modes.Length - 1); return(true); }