divxdec_ax.rar_Directshow Filter_divx_divx wince_divx directsho

/************************************************************************** * * * This code has been developed by Andrea Graziani. Those intending to * * use this software module in hardware or software products are advised * * that its use may infringe existing patents or copyrights, and any such * * use would be at such party's own risk. The original developer of this * * software module and his/her company, and subsequent editors and their * * companies (including Project Mayo), will have no liability for use of * * this software or modifications or derivatives thereof. * * * * Project Mayo gives users of the Codec and Filter a license to this * * software module or modifications thereof for use in hardware or * * software products claiming conformance to the MPEG-4 Video Standard * * as described in the Open DivX license. * * * * The complete Open DivX license can be found at * * http://www.projectmayo.com/opendivx/license.php * * * **************************************************************************/ /** * Copyright (C) 2001 - Project Mayo * * Andrea Graziani * * DivX Advanced Research Center <darc@projectmayo.com> * **/ // divxfilter.cpp // #include <windows.h> #include <streams.h> #include <dvdmedia.h> #include <initguid.h> #include "decore.h" #include "divxuid.h" #include "divxfilter.h" #include "divxfilterproperties.h" /** * declaration of filter information **/ // setup data const AMOVIESETUP_MEDIATYPE sudPinInTypes[4] = { { // Type 0 &MEDIATYPE_Video, &CLSID_DivX }, { // Type 1 &MEDIATYPE_Video, &CLSID_DivX_U }, { // Type 2 &MEDIATYPE_Video, &CLSID_DivX_ }, { // Type 3 &MEDIATYPE_Video, &CLSID_DivX__U } }; const AMOVIESETUP_MEDIATYPE sudPinOutTypes[1] = { &MEDIATYPE_Video, &MEDIASUBTYPE_NULL }; const AMOVIESETUP_PIN psudPins[] = { { L"Input", // String pin name FALSE, // Is it rendered FALSE, // Is it an output FALSE, FALSE, &CLSID_NULL, // Connects to filter L"Output", // Connects to pin 4, // Number of types &sudPinInTypes[0] // The pin details }, { L"Output", // String pin name FALSE, // Is it rendered TRUE, // Is it an output FALSE, FALSE, &CLSID_NULL, // Connects to filter L"Input", // Connects to pin 1, // Number of types &sudPinOutTypes[0] // The pin details } }; const AMOVIESETUP_FILTER sudDivXReg = { &CLSID_DivX, // Filter CLSID L"OpenDivX Decoder Filter", // Filter name MERIT_PREFERRED, // Its merit 2, // Number of pins psudPins // Pin details }; /** * declaration of filter template **/ // List of class IDs and creator functions for the class factory. This // provides the link between the OLE entry point in the DLL and an object // being created. The class factory will call the static CreateInstance CFactoryTemplate g_Templates[2] = { { L"OpenDivX Decoder Filter", // Filter name &CLSID_DivX, // Filter CLSID DivXFilter::CreateInstance, // Creation function NULL, // &sudDivXReg // Self-registration information }, { L"OpenDivX Decoder Filter Properties Page", &CLSID_DivXPropertiesPage, DivXFilterProperties::CreateInstance } }; int g_cTemplates = sizeof(g_Templates)/(sizeof(g_Templates[0])); // // CreateInstance // CUnknown * WINAPI DivXFilter::CreateInstance(LPUNKNOWN lpunk, HRESULT * phr) { DivXFilter * pNewObject = new DivXFilter(NAME("OpenDivX Decoder Filter"), lpunk, phr); if (pNewObject == NULL) { *phr = E_OUTOFMEMORY; } return pNewObject; } // CreateInstance // // NonDelegatingQueryInterface // STDMETHODIMP DivXFilter::NonDelegatingQueryInterface(REFIID riid, void ** ppv) { if (riid == IID_IDivXFilterInterface) { return GetInterface((IDivXFilterInterface *) this, ppv); } else if (riid == IID_ISpecifyPropertyPages) { return GetInterface((ISpecifyPropertyPages *) this, ppv); } return CTransformFilter::NonDelegatingQueryInterface(riid, ppv); } // NonDelegatingQueryInterface /** * implementation of DllRegistrerServer **/ // the dll that export this component must contain this function // STDAPI DllRegisterServer(void) { HRESULT hr = AMovieDllRegisterServer2(TRUE); if ( FAILED(hr) ) return hr; IFilterMapper2 *pFM2 = 0; hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void **) &pFM2); if ( FAILED(hr) ) return hr; REGFILTER2 rf2; rf2.dwVersion = 1; rf2.dwMerit = MERIT_PREFERRED; rf2.cPins = NUMELMS(psudPins); rf2.rgPins = psudPins; hr = pFM2->RegisterFilter(CLSID_DivX, L"OpenDivX Decoder Filter", NULL, &CLSID_AVIDec, L"CLSID_DivXDeux", &rf2); pFM2->Release(); return hr; } // DllRegisterServer STDAPI DllUnregisterServer(void) { HRESULT hr = AMovieDllRegisterServer2(FALSE); if ( FAILED(hr) ) return hr; IFilterMapper2 * pFM2 = 0; hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void **) &pFM2); if ( FAILED(hr) ) return hr; if (pFM2 != 0) { hr = pFM2->UnregisterFilter(&CLSID_AVIDec, NULL, CLSID_DivX); pFM2->Release(); } return S_OK; } // DllUnregisterServer /** * override of functions **/ // determine if the proposed input is valid // HRESULT DivXFilter::CheckInputType(const CMediaType * pmtIn) { DbgLog((LOG_TRACE, 2, TEXT("DivXFilter::CheckInputType"))); if ( (*pmtIn->Type() != MEDIATYPE_Video) ) return E_INVALIDARG; VIDEOINFO * pvi = (VIDEOINFO *) pmtIn->Format(); m_DecParam.y_dim = (pvi->bmiHeader.biHeight > 0) ? pvi->bmiHeader.biHeight : -pvi->bmiHeader.biHeight; m_DecParam.x_dim = pvi->bmiHeader.biWidth; return S_OK; } // CheckInputType HRESULT DivXFilter::StartStreaming() { return S_OK; } // StartStreaming HRESULT DivXFilter::StopStreaming() { return S_OK; } // StopStreaming // performs my desired transformation on input media // HRESULT DivXFilter::Transform(IMediaSample *pIn, IMediaSample *pOut) { if (m_iInitialized == 0) { decore(1, DEC_OPT_MEMORY_REQS, &m_DecParam, &m_DecMemReqs); m_DecParam.buffers.mp4_edged_ref_buffers = malloc(m_DecMemReqs.mp4_edged_ref_buffers_size); m_DecParam.buffers.mp4_edged_for_buffers = malloc(m_DecMemReqs.mp4_edged_for_buffers_size); m_DecParam.buffers.mp4_display_buffers = malloc(m_DecMemReqs.mp4_display_buffers_size); m_DecParam.buffers.mp4_state = malloc(m_DecMemReqs.mp4_state_size); m_DecParam.buffers.mp4_tables = malloc(m_DecMemReqs.mp4_tables_size); m_DecParam.buffers.mp4_stream = malloc(m_DecMemReqs.mp4_stream_size); memset(m_DecParam.buffers.mp4_state, 0, m_DecMemReqs.mp4_state_size); memset(m_DecParam.buffers.mp4_tables, 0, m_DecMemReqs.mp4_tables_size); memset(m_DecParam.buffers.mp4_stream, 0, m_DecMemReqs.mp4_stream_size); decore((long) this, DEC_OPT_INIT, &m_DecParam, NULL); put_PPLevel(90); m_iInitialized = 1; } DEC_FRAME dec_frame; BYTE * input_buffer, * output_buffer; if (pIn->GetPointer(&input_buffer) != S_OK) return S_OK; // not valid pointer, forgot it! if (pOut->GetPointer(&output_buffe