SDIFHeader.hxx

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/*
 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef __SDIFHeader__
#define __SDIFHeader__

#include "SDIFType.hxx"

namespace SDIF
{

        class FrameHeader
        {
        public:
                //* Identifier indicating the kind of frame */
                TypeId mType;
                //* Size in bytes, of the frame, not including the type or size
                CLAM::TInt32 mSize;
        public:
                FrameHeader(const TypeId& type, CLAM::TInt32 size);

                static CLAM::TInt32 SizeInFile(void)
                {
                        return 
                                sizeof(TypeId)+ // mType
                                sizeof(CLAM::TInt32); // mSize
                }
        };

        class DataFrameHeader:public FrameHeader 
        {
        public:
                 //* Timestamp
                CLAM::TFloat64 mTime;
                //* Stream ID @see Stream
                CLAM::TInt32 mStreamId;
                //* Number of data matrixes in the frame. @see Matrix
                CLAM::TInt32 mnMatrices;
        public:
                DataFrameHeader(const TypeId& type,CLAM::TFloat64 time=0.,CLAM::TInt32 id=0);

                static CLAM::TInt32 SizeInFile(void)
                {
                        return 
                                sizeof(CLAM::TFloat64)+ // mTime
                                sizeof(CLAM::TInt32)+   // mStreamId
                                sizeof(CLAM::TInt32);   // mnMatrices
                }
        };

        class MatrixHeader
        {
        public:
        
                //* Identifier indicating the matrix type
                TypeId mType;
                //* Identifier indicating the type of data in the matrix
                DataType mDataType;
                //* Number of rows in the matrix
                CLAM::TInt32 mnRows;
                //* Number of columns in the matrix
                CLAM::TInt32 mnColumns;

        public:
                static CLAM::TInt32 SizeInFile(void)
                {
                        return 
                                sizeof(TypeId)+
                                sizeof(CLAM::TInt32)+ // mDataType
                                sizeof(CLAM::TInt32)+ // mnRows
                                sizeof(CLAM::TInt32); // mnColumns
                }
                
                MatrixHeader()
                {
                }
                
                MatrixHeader(
                        const TypeId& type,
                        DataType dataType,
                        CLAM::TInt32 nRows, CLAM::TInt32 nColumns);
        };

}

#endif