AnxMuxFilter.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 #include "stdafx.h"
00035 #include ".\anxmuxfilter.h"
00036 
00037 
00038 
00039 // This template lets the Object factory create us properly and work with COM infrastructure.
00040 CFactoryTemplate g_Templates[] = 
00041 {
00042     { 
00043                 L"AnxMuxFilter",                                                // Name
00044             &CLSID_AnxMuxFilter,            // CLSID
00045             AnxMuxFilter::CreateInstance,       // Method to create an instance of MyComponent
00046         NULL,                                                                   // Initialization function
00047         NULL                                                                    // Set-up information (for filters)
00048     }
00049 
00050 };
00051 
00052 // Generic way of determining the number of items in the template
00053 int g_cTemplates = sizeof(g_Templates) / sizeof(g_Templates[0]); 
00054 
00055 
00056 
00057 STDMETHODIMP AnxMuxFilter::NonDelegatingQueryInterface(REFIID riid, void **ppv)
00058 {
00059         //ANX3::: Maybe need an interface to set the anx version here.
00060         return OggMuxFilter::NonDelegatingQueryInterface(riid, ppv); 
00061 }
00062 
00063 CUnknown* WINAPI AnxMuxFilter::CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr) 
00064 {
00065         AnxMuxFilter *pNewObject = new AnxMuxFilter();
00066     if (pNewObject == NULL) {
00067         *pHr = E_OUTOFMEMORY;
00068     }
00069     return pNewObject;
00070 } 
00071 AnxMuxFilter::AnxMuxFilter(void)
00072         :       OggMuxFilter(CLSID_AnxMuxFilter)
00073         ,       mAnxVersionMajor(2)
00074         ,       mAnxVersionMinor(0)
00075 {
00076 
00077         //ANX3::: Need to have a better way to set this.
00078         mInterleaver = new AnxPageInterleaver(this, this, mAnxVersionMajor, mAnxVersionMinor, this);
00079         mInputPins.push_back(new AnxMuxInputPin(this, m_pLock, &mHR, mInterleaver->newStream(), mAnxVersionMajor, mAnxVersionMinor));
00080 
00081 
00082         //      //Make our delegate pin[0], the top pin... we send all out requests there.
00083         //IMediaSeeking* locSeeker = NULL;
00084         //mInputPins[0]->NonDelegatingQueryInterface(IID_IMediaSeeking, (void**)&locSeeker);
00085         //SetDelegate(locSeeker);
00086         
00087         //To avoid a circular reference... we do this without the addref.
00088         // This is safe because we control the lifetime of this pin, and it won't be deleted until we are.
00089         IMediaSeeking* locSeeker = (IMediaSeeking*)mInputPins[0];
00090         SetDelegate(locSeeker);
00091 }
00092 
00093 AnxMuxFilter::~AnxMuxFilter(void)
00094 {
00095 }
00096 
00097 HRESULT AnxMuxFilter::addAnotherPin() {
00098         mInputPins.push_back(new AnxMuxInputPin(this, m_pLock, &mHR, mInterleaver->newStream(), mAnxVersionMajor, mAnxVersionMinor));
00099         return S_OK;
00100 }

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