AnxDemuxSourceFilter.cpp

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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 #include "stdafx.h"
00036 #include "AnxDemuxSourceFilter.h"
00037 
00038 #include <libOOOggSeek/AutoAnxSeekTable.h>
00039 
00040 
00041 //-------------------
00042 // This template lets the Object factory create us properly and work with COM infrastructure.
00043 CFactoryTemplate g_Templates[] = 
00044 {
00045     { 
00046                 L"AnxDemuxFilter",                                              // Name
00047             &CLSID_AnxDemuxSourceFilter,            // CLSID
00048             AnxDemuxSourceFilter::CreateInstance,       // Method to create an instance of MyComponent
00049         NULL,                                                                   // Initialization function
00050         NULL                                                                    // Set-up information (for filters)
00051     }
00052 
00053 };
00054 
00055 // Generic way of determining the number of items in the template
00056 int g_cTemplates = sizeof(g_Templates) / sizeof(g_Templates[0]); 
00057 
00058 
00059 
00060 CUnknown* WINAPI AnxDemuxSourceFilter::CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr) 
00061 {
00062         AnxDemuxSourceFilter *pNewObject = new AnxDemuxSourceFilter();
00063     if (pNewObject == NULL) {
00064         *pHr = E_OUTOFMEMORY;
00065     }
00066     return pNewObject;
00067 } 
00068 AnxDemuxSourceFilter::AnxDemuxSourceFilter(void)
00069         :       OggDemuxSourceFilter(CLSID_AnxDemuxSourceFilter)
00070 {
00071         mStreamMapper = new AnxStreamMapper(this);
00072         //anxDebug.open("G:\\logs\\anxdemux.log", ios_base::out);
00073 }
00074 
00075 AnxDemuxSourceFilter::~AnxDemuxSourceFilter(void)
00076 {
00077         //anxDebug<<"Deconstructing anx filter"<<endl;
00078 }
00079 
00080 
00081 //ANX::: Seek table will need modifying to handle this.
00082 STDMETHODIMP AnxDemuxSourceFilter::Load(LPCOLESTR inFileName, const AM_MEDIA_TYPE* inMediaType) {
00083         //Initialise the file here and setup all the streams
00084         CAutoLock locLock(m_pLock);
00085         
00086 
00087         mFileName = inFileName;
00088 
00089         //WARNING::: This nasty hack is to account for the fact that directshow doesn't know how to
00090         // properly parse url's given to it... because it does a dumb string match for extension at the end of the file,
00091         // urls with fragments or queries, won't match the extension... so this hack is for the ff plug-in so
00092         // that it appends another .anx after the fragment/query, which is stripped off here, before sending to the
00093         // server.
00094         if (mFileName.find(L"?") != string::npos){
00095                 mFileName = mFileName.substr(0, mFileName.size() - 4);
00096                 
00097         }
00098         
00099 
00100 
00101         //ANX::: Needs to override ??? Or just modify the seeker.
00102         mSeekTable = new AutoAnxSeekTable(StringHelper::toNarrowStr(mFileName));
00103         
00104         //anxDebug<<"After seek table instantiation"<<endl;
00105         mSeekTable->buildTable();
00106         //anxDebug<<"After build table..."<<endl;
00107         //debugLog<<"After build table"<<endl;
00108         return SetUpPins();
00109 }

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