Exemple #1
0
        internal int init_decode(StaticCodeBook s)
        {
            c         = s;
            entries   = s.entries;
            dim       = s.dim;
            valuelist = s.unquantize();

            decode_tree = make_decode_tree();
            if (decode_tree == null)
            {
                clear();
                return(-1);
            }
            return(0);
        }
Exemple #2
0
        /// <summary>
        /// All of the real encoding details are here.  The modes, books, everything.
        /// </summary>
        /// <param name="Buffer"></param>
        /// <returns></returns>
        int UnpackBooks(NVorbis.Ogg.BBuffer Buffer)
        {
            Books = Buffer.Read(8) + 1;

            if (BookParam == null || BookParam.Length != Books)
            {
                BookParam = new StaticCodeBook[Books];
            }

            for (int i = 0; i < Books; i++)
            {
                BookParam[i] = new StaticCodeBook();
                if (BookParam[i].unpack(Buffer) != 0)
                {
                    Clear();
                    return(-1);
                }
            }

            // time backend settings
            Times = Buffer.Read(6) + 1;
            if (TimeType == null || TimeType.Length != Times)
            {
                TimeType = new int[Times];
            }
            if (TimeParam == null || TimeParam.Length != Times)
            {
                TimeParam = new Object[Times];
            }
            for (int i = 0; i < Times; i++)
            {
                TimeType[i] = Buffer.Read(16);
                if (TimeType[i] < 0 || TimeType[i] >= VI_TIMEB)
                {
                    Clear();
                    return(-1);
                }
                TimeParam[i] = FuncTime.time_P[TimeType[i]].unpack(this, Buffer);
                if (TimeParam[i] == null)
                {
                    Clear();
                    return(-1);
                }
            }

            // floor backend settings
            floors = Buffer.Read(6) + 1;
            if (FloorType == null || FloorType.Length != floors)
            {
                FloorType = new int[floors];
            }
            if (FloorParam == null || FloorParam.Length != floors)
            {
                FloorParam = new Object[floors];
            }

            for (int i = 0; i < floors; i++)
            {
                FloorType[i] = Buffer.Read(16);
                if (FloorType[i] < 0 || FloorType[i] >= VI_FLOORB)
                {
                    Clear();
                    return(-1);
                }

                FloorParam[i] = FuncFloor.floor_P[FloorType[i]].unpack(this, Buffer);
                if (FloorParam[i] == null)
                {
                    Clear();
                    return(-1);
                }
            }

            // residue backend settings
            residues = Buffer.Read(6) + 1;

            if (residue_type == null || residue_type.Length != residues)
            {
                residue_type = new int[residues];
            }

            if (ResidueParam == null || ResidueParam.Length != residues)
            {
                ResidueParam = new Object[residues];
            }

            for (int i = 0; i < residues; i++)
            {
                residue_type[i] = Buffer.Read(16);
                if (residue_type[i] < 0 || residue_type[i] >= VI_RESB)
                {
                    Clear();
                    return(-1);
                }
                ResidueParam[i] = FuncResidue.residue_P[residue_type[i]].unpack(this, Buffer);
                if (ResidueParam[i] == null)
                {
                    Clear();
                    return(-1);
                }
            }

            // map backend settings
            maps = Buffer.Read(6) + 1;
            if (map_type == null || map_type.Length != maps)
            {
                map_type = new int[maps];
            }
            if (MapParam == null || MapParam.Length != maps)
            {
                MapParam = new Object[maps];
            }
            for (int i = 0; i < maps; i++)
            {
                map_type[i] = Buffer.Read(16);
                if (map_type[i] < 0 || map_type[i] >= VI_MAPB)
                {
                    Clear();
                    return(-1);
                }
                MapParam[i] = FuncMapping.mapping_P[map_type[i]].unpack(this, Buffer);
                if (MapParam[i] == null)
                {
                    Clear();
                    return(-1);
                }
            }

            // mode settings
            Modes = Buffer.Read(6) + 1;
            if (ModeParam == null || ModeParam.Length != Modes)
            {
                ModeParam = new InfoMode[Modes];
            }
            for (int i = 0; i < Modes; i++)
            {
                ModeParam[i]               = new InfoMode();
                ModeParam[i].blockflag     = Buffer.Read(1);
                ModeParam[i].windowtype    = Buffer.Read(16);
                ModeParam[i].transformtype = Buffer.Read(16);
                ModeParam[i].mapping       = Buffer.Read(8);

                if ((ModeParam[i].windowtype >= VI_WINDOWB) ||
                    (ModeParam[i].transformtype >= VI_WINDOWB) ||
                    (ModeParam[i].mapping >= maps))
                {
                    Clear();
                    return(-1);
                }
            }

            if (Buffer.Read(1) != 1)
            {
                Clear();
                return(-1);
            }

            return(0);
        }
Exemple #3
0
        /// <summary>
        /// All of the real encoding details are here.  The modes, books, everything.
        /// </summary>
        /// <param name="Buffer"></param>
        /// <returns></returns>
        int UnpackBooks(NVorbis.Ogg.BBuffer Buffer)
        {
            Books = Buffer.Read(8) + 1;

            if (BookParam == null || BookParam.Length != Books) BookParam = new StaticCodeBook[Books];

            for (int i = 0; i < Books; i++)
            {
                BookParam[i] = new StaticCodeBook();
                if (BookParam[i].unpack(Buffer) != 0)
                {
                    Clear();
                    return (-1);
                }
            }

            // time backend settings
            Times = Buffer.Read(6) + 1;
            if (TimeType == null || TimeType.Length != Times) TimeType = new int[Times];
            if (TimeParam == null || TimeParam.Length != Times) TimeParam = new Object[Times];
            for (int i = 0; i < Times; i++)
            {
                TimeType[i] = Buffer.Read(16);
                if (TimeType[i] < 0 || TimeType[i] >= VI_TIMEB)
                {
                    Clear();
                    return (-1);
                }
                TimeParam[i] = FuncTime.time_P[TimeType[i]].unpack(this, Buffer);
                if (TimeParam[i] == null)
                {
                    Clear();
                    return (-1);
                }
            }

            // floor backend settings
            floors = Buffer.Read(6) + 1;
            if (FloorType == null || FloorType.Length != floors) FloorType = new int[floors];
            if (FloorParam == null || FloorParam.Length != floors) FloorParam = new Object[floors];

            for (int i = 0; i < floors; i++)
            {
                FloorType[i] = Buffer.Read(16);
                if (FloorType[i] < 0 || FloorType[i] >= VI_FLOORB)
                {
                    Clear();
                    return (-1);
                }

                FloorParam[i] = FuncFloor.floor_P[FloorType[i]].unpack(this, Buffer);
                if (FloorParam[i] == null)
                {
                    Clear();
                    return (-1);
                }
            }

            // residue backend settings
            residues = Buffer.Read(6) + 1;

            if (residue_type == null || residue_type.Length != residues)
                residue_type = new int[residues];

            if (ResidueParam == null || ResidueParam.Length != residues)
                ResidueParam = new Object[residues];

            for (int i = 0; i < residues; i++)
            {
                residue_type[i] = Buffer.Read(16);
                if (residue_type[i] < 0 || residue_type[i] >= VI_RESB)
                {
                    Clear();
                    return (-1);
                }
                ResidueParam[i] = FuncResidue.residue_P[residue_type[i]].unpack(this, Buffer);
                if (ResidueParam[i] == null)
                {
                    Clear();
                    return (-1);
                }
            }

            // map backend settings
            maps = Buffer.Read(6) + 1;
            if (map_type == null || map_type.Length != maps)
                map_type = new int[maps];
            if (MapParam == null || MapParam.Length != maps)
                MapParam = new Object[maps];
            for (int i = 0; i < maps; i++)
            {
                map_type[i] = Buffer.Read(16);
                if (map_type[i] < 0 || map_type[i] >= VI_MAPB)
                {
                    Clear();
                    return (-1);
                }
                MapParam[i] = FuncMapping.mapping_P[map_type[i]].unpack(this, Buffer);
                if (MapParam[i] == null)
                {
                    Clear();
                    return (-1);
                }
            }

            // mode settings
            Modes = Buffer.Read(6) + 1;
            if (ModeParam == null || ModeParam.Length != Modes)
                ModeParam = new InfoMode[Modes];
            for (int i = 0; i < Modes; i++)
            {
                ModeParam[i] = new InfoMode();
                ModeParam[i].blockflag = Buffer.Read(1);
                ModeParam[i].windowtype = Buffer.Read(16);
                ModeParam[i].transformtype = Buffer.Read(16);
                ModeParam[i].mapping = Buffer.Read(8);

                if ((ModeParam[i].windowtype >= VI_WINDOWB)
                    || (ModeParam[i].transformtype >= VI_WINDOWB)
                    || (ModeParam[i].mapping >= maps))
                {
                    Clear();
                    return (-1);
                }
            }

            if (Buffer.Read(1) != 1)
            {
                Clear();
                return (-1);
            }

            return (0);
        }
Exemple #4
0
        internal int init_decode(StaticCodeBook s)
        {
            c = s;
            entries = s.entries;
            dim = s.dim;
            valuelist = s.unquantize();

            decode_tree = make_decode_tree();
            if (decode_tree == null)
            {
                clear();
                return (-1);
            }
            return (0);
        }