00001 //=========================================================================== 00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh 00003 // 00004 //Copyright (C) 2003, 2004 Commonwealth Scientific and Industrial Research 00005 // Organisation (CSIRO) Australia 00006 // 00007 //Redistribution and use in source and binary forms, with or without 00008 //modification, are permitted provided that the following conditions 00009 //are met: 00010 // 00011 //- Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // 00014 //- Redistributions in binary form must reproduce the above copyright 00015 // notice, this list of conditions and the following disclaimer in the 00016 // documentation and/or other materials provided with the distribution. 00017 // 00018 //- Neither the name of Zentaro Kavanagh nor the names of contributors 00019 // may be used to endorse or promote products derived from this software 00020 // without specific prior written permission. 00021 // 00022 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00023 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00024 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00025 //PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR 00026 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00027 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00028 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 //=========================================================================== 00034 00035 #pragma once 00036 00037 #include "OggStreamMapper.h" 00038 #include "CMMLStream.h" 00039 #include <libilliCore/iLE_Math.h> 00040 00041 #include <fstream> 00042 using namespace std; 00043 class AnxStreamMapper 00044 : public OggStreamMapper 00045 { 00046 public: 00047 //Constructors 00048 AnxStreamMapper(void); 00049 AnxStreamMapper(OggDemuxSourceFilter* inOwningFilter); 00050 virtual ~AnxStreamMapper(void); 00051 00052 //Constants and Enumerations 00053 enum eAnxDemuxState { 00054 SEEN_NOTHING, 00055 SEEN_ANNODEX_BOS, 00056 SEEN_AN_ANXDATA, 00057 OGG_STATE, 00058 INVALID_STATE = 1000 00059 }; 00060 00061 enum eAnxVersions { 00062 ANX_VERSION_2_0 = 2 << 16, 00063 ANX_VERSION_3_0 = 3 << 16 00064 }; 00065 00066 //Public Methods. 00067 virtual bool acceptOggPage(OggPage* inOggPage); 00068 00069 virtual bool isReady(); 00070 virtual bool toStartOfData(); 00071 00072 protected: 00073 //Helper Methods 00074 bool isAnnodexEOS(OggPage* inOggPage); 00075 bool isAnnodexBOS(OggPage* inOggPage); 00076 bool isAnxDataPage(OggPage* inOggPage, bool inAnxDataAreBOS); 00077 unsigned long getAnxVersion(OggPage* inOggPage); 00078 bool handleAnxVersion_2_0(OggPage* inOggPage); 00079 bool handleAnxVersion_3_0(OggPage* inOggPage); 00080 00081 //Member Data 00082 vector<unsigned long> mSeenStreams; 00083 bool mSeenAnnodexBOS; 00084 bool mReadyForCodecs; 00085 bool mSeenCMML; 00086 unsigned long mAnnodexSerial; //TODO::: May not need this anymore 00087 OggPacket* mAnnodexHeader; 00088 vector<OggPacket*> mAnxDataHeaders; 00089 unsigned long mAnxVersion; 00090 eAnxDemuxState mDemuxState; 00091 00092 fstream debugLog; 00093 00094 };