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 __InterleaveBuffer_H__ 19 #define __InterleaveBuffer_H__ 20 21 #include "atom.h" 22 #include "a_atomdefs.h" 23 #include "atomutils.h" 24 25 #include "oscl_byte_order.h" 26 #include "oscl_bin_stream.h" 27 #ifndef OSCL_MEM_H_INCLUDED 28 #include "oscl_mem.h" 29 #endif 30 31 class PVA_FF_InterLeaveBuffer 32 { 33 34 public: 35 36 PVA_FF_InterLeaveBuffer(uint32 mediaType, uint32 codecType, uint32 trackId); 37 38 virtual ~PVA_FF_InterLeaveBuffer(); 39 40 bool addSampleToInterLeaveBuffer(Oscl_Vector < OsclMemoryFragment, 41 OsclMemAllocator > & fragmentList, 42 uint32 size, uint32 ts, uint8 flags, int32 index); 43 44 bool checkInterLeaveBufferSpace(uint32 size); 45 46 Oscl_Vector<uint32, OsclMemAllocator>* getTimeStampVec(); 47 Oscl_Vector<uint32, OsclMemAllocator>* getSampleSizeVec(); 48 Oscl_Vector<uint8, OsclMemAllocator>* getFlagsVec(); 49 Oscl_Vector<int32, OsclMemAllocator>* getTextIndexVec(); 50 51 uint8* resetInterLeaveBuffer(uint32 &chunkSize); 52 uint32 getCurrentInterLeaveBufferSize(); 53 54 uint32 getLastChunkEndTime(); 55 void setLastChunkEndTime(); 56 void setLastChunkEndTime(uint32 time); 57 uint32 getTrackID(); 58 uint32 getFirstTSEntry(); 59 uint32 getLastSampleTS(); 60 61 private: 62 63 uint32 _trackId; 64 uint32 _mediaType; 65 uint32 _codecType; 66 uint32 _lastChunkEndTime; // use to calculate present trun duration from sample time stamp 67 uint8* _interLeaveBuffer; // samples copied to buffer before written to file 68 uint32 _maxInterLeaveBufferSize; // max size if interleave buffer ( codec dependent) 69 uint32 _currInterLeaveBufferSize; // current occupancy in interleave buffer 70 uint32 _lastInterLeaveBufferTS; // Time stamp of last interleave buffer 71 // to calculate duration of interleave buffer 72 uint32 _lastSampleTS; 73 74 75 76 // Sample parameters are stored in these vectors before writing to TRUN when 77 // interleave duration is reached 78 Oscl_Vector<uint32, OsclMemAllocator>* _pTimeStampVec; 79 Oscl_Vector<uint32, OsclMemAllocator>* _pSampleSizeVec; 80 Oscl_Vector<uint8, OsclMemAllocator>* _pSampleFlagsVec; 81 Oscl_Vector<int32, OsclMemAllocator>* _pIndexVec; 82 83 }; 84 85 #endif 86