fileformats/mp4/composer/include/syncsampleatom.h

/* ------------------------------------------------------------------
 * Copyright (C) 2008 PacketVideo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 * -------------------------------------------------------------------
 */
/*********************************************************************************/
/*
    This PVA_FF_SyncSampleAtom Class provides a compact marking of the random access
    points within the stream.
*/


#ifndef __SyncSampleAtom_H__
#define __SyncSampleAtom_H__


#define PV_ERROR -1

#include "fullatom.h"


class PVA_FF_SyncSampleAtom : public PVA_FF_FullAtom
{

    public:
        PVA_FF_SyncSampleAtom(); // Constructor
        virtual ~PVA_FF_SyncSampleAtom(); // Destructor

        // Member gets and sets
        uint32 getEntryCount() const
        {
            return _entryCount;
        }

        void nextSample(uint8 flags);

        // Adding to and getting the sample number values
        void addSampleNumber(uint32 sample);

        // Rendering the PVA_FF_Atom in proper format (bitlengths, etc.) to an ostream
        virtual bool renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp);

    private:
        virtual void recomputeSize();

        uint32 _entryCount;
        Oscl_Vector<uint32, OsclMemAllocator>* _psampleNumbers;

        uint32 _nextSampleNumber;

};


#endif