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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 #ifndef PV_AVIFILE_INDX_H_INCLUDED
     19 #define PV_AVIFILE_INDX_H_INCLUDED
     20 
     21 #ifndef PV_AVIFILE_TYPEDEFS_H_INCLUDED
     22 #include "pv_avifile_typedefs.h"
     23 #endif
     24 
     25 #ifndef PV_AVIFILE_PARSER_UTILS_H_INCLUDED
     26 #include "pv_avifile_parser_utils.h"
     27 #endif
     28 
     29 typedef Oscl_Vector<IdxTblType, OsclMemAllocator> IndxTblVector;
     30 
     31 //class to parse values in index chunk. index chunk contains offset and size info of media sample.
     32 class PVAviFileIdxChunk: public PVAviFileParserStatus
     33 {
     34 
     35     public:
     36 
     37         //constructor
     38         PVAviFileIdxChunk(PVFile* aFp, uint32 aIndxSize, uint32 aNumStreams);
     39 
     40         //destructor
     41         ~PVAviFileIdxChunk() { };
     42 
     43         uint32 GetOffset(uint32 aStreamNo, uint32 aSampleNo)
     44         {
     45             return (((iIndexTable[aStreamNo])[aSampleNo]).offset);
     46         }
     47 
     48         uint32 GetSampleSize(uint32 aStreamNo, uint32 aSampleNo)
     49         {
     50             return (((iIndexTable[aStreamNo])[aSampleNo]).size);
     51         }
     52 
     53         uint32 GetNumberOfSamplesInStream(uint32 aStreamNo)
     54         {
     55             return ((iIndexTable[aStreamNo]).size());
     56         }
     57 
     58         bool IsOffsetFromMoviList()
     59         {
     60             return iOffsetFrmMoviLst;
     61         }
     62 
     63         Oscl_Vector<IndxTblVector, OsclMemAllocator>
     64         GetIndexTable()
     65         {
     66             return iIndexTable;
     67         }
     68 
     69     private:
     70 
     71         // variable iIndexTable stores the offset and size info of ever sample in a stream
     72         // size of IndxTblTypeVector = number of samples ("movi" Subchunks) in a stream.
     73         // size of iIndexTable = number of streams.
     74 
     75         Oscl_Vector < IndxTblVector,
     76         OsclMemAllocator >    iIndexTable;
     77         uint32                           iIndexSize;
     78         uint32                           iNumStreams;
     79         bool                             iOffsetFrmMoviLst;
     80 
     81 };
     82 
     83 #endif //#ifndef PV_AVIFILE_INDX_H_INCLUDED
     84 
     85