mirror of https://github.com/odrling/Aegisub
565 lines
15 KiB
C++
565 lines
15 KiB
C++
/*
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* Copyright (c) 2004-2006 Mike Matsnev. All Rights Reserved.
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*
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* $Id: VideoSink.cpp,v 1.8 2007/01/17 23:40:51 mike Exp $
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*
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*/
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#include <windows.h>
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#ifdef __WXDEBUG__
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#undef __WXDEBUG__
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#endif
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typedef TCHAR* PTCHAR;
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#include <streams.h>
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#include <dvdmedia.h>
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#include "VideoSink.h"
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#include "initguid.h"
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class CVideoSink;
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// CLSID for videosink: {F13D3732-96BD-4108-AFEB-E85F68FF64DC}
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//DEFINE_GUID(CLSID_AegiVideoSink, 0xf13d3732, 0x96bd, 0x4108, 0xaf, 0xeb, 0xe8, 0x5f, 0x68, 0xff, 0x64, 0xdc);
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// {E9C80780-4C07-4b36-87D4-5241CD0C6FE2}
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DEFINE_GUID(CLSID_AegiVideoSink, 0xe9c80780, 0x4c07, 0x4b36, 0x87, 0xd4, 0x52, 0x41, 0xcd, 0xc, 0x6f, 0xe2);
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static int GetBPP(const BITMAPINFOHEADER& h) {
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switch (h.biCompression) {
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case MAKEFOURCC('Y','U','Y','2'): return 16;
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case MAKEFOURCC('Y','V','1','2'): return 12;
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case 0: return h.biBitCount;
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}
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return 0;
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}
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[uuid("2EE04A02-4AF5-43f8-B05B-5DEB66473419")]
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interface IVSAllocator : public IUnknown {
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STDMETHOD(SetNextMT)(const AM_MEDIA_TYPE *pMT) = 0;
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};
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class CVSAllocator : public CMemAllocator, public IVSAllocator {
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CMediaType *m_nextmt;
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public:
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CVSAllocator(TCHAR *pName, LPUNKNOWN pUnk, HRESULT *phr) : CMemAllocator(pName, pUnk, phr), m_nextmt(NULL) { }
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~CVSAllocator() {
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delete m_nextmt;
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}
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STDMETHOD(SetNextMT)(const AM_MEDIA_TYPE *pMT) {
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CMediaType *newMT = new CMediaType(*pMT);
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newMT = (CMediaType *)InterlockedExchangePointer((void **)&m_nextmt, newMT);
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if (newMT != NULL)
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delete pMT;
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return S_OK;
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}
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STDMETHOD(GetBuffer)(IMediaSample **ppS, REFERENCE_TIME *pStart, REFERENCE_TIME *pStop, DWORD dwFlags) {
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CMediaType *pMT = (CMediaType *)InterlockedExchangePointer((void **)&m_nextmt, NULL);
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if (pMT != NULL) {
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BITMAPINFOHEADER *bmh = NULL;
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if (pMT->formattype == FORMAT_VideoInfo)
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bmh = &((VIDEOINFOHEADER *)pMT->pbFormat)->bmiHeader;
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else if (pMT->formattype == FORMAT_VideoInfo2)
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bmh = &((VIDEOINFOHEADER2 *)pMT->pbFormat)->bmiHeader;
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if (bmh != NULL) {
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ALLOCATOR_PROPERTIES ap, act;
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Decommit();
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GetProperties(&ap);
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long newsize = (bmh->biWidth * abs(bmh->biHeight) * GetBPP(*bmh)) >> 3;
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if (ap.cbBuffer < newsize)
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ap.cbBuffer = newsize;
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SetProperties(&ap, &act);
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Commit();
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}
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}
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HRESULT hr = CMemAllocator::GetBuffer(ppS, pStart, pStop, dwFlags);
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if (SUCCEEDED(hr) && pMT != NULL)
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(*ppS)->SetMediaType(pMT);
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if (pMT != NULL)
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delete pMT;
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return hr;
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}
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DECLARE_IUNKNOWN;
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STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv) {
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if (riid == __uuidof(IVSAllocator))
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return GetInterface((IVSAllocator *)this, ppv);
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return CMemAllocator::NonDelegatingQueryInterface(riid, ppv);
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}
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};
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class CVideoSinkPin : public CRenderedInputPin {
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bool m_changedmt;
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unsigned m_types;
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CVideoSink *m_sink;
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HRESULT CheckMediaType(const CMediaType *pMT) {
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if (pMT->majortype != MEDIATYPE_Video ||
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(pMT->formattype != FORMAT_VideoInfo && pMT->formattype != FORMAT_VideoInfo2))
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return VFW_E_TYPE_NOT_ACCEPTED;
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if (pMT->subtype == MEDIASUBTYPE_RGB24 && m_types & IVS_RGB24)
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return S_OK;
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if (pMT->subtype == MEDIASUBTYPE_RGB32 && m_types & IVS_RGB32)
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return S_OK;
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if (pMT->subtype == MEDIASUBTYPE_YUY2 && m_types & IVS_YUY2)
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return S_OK;
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if (pMT->subtype == MEDIASUBTYPE_YV12 && m_types & IVS_YV12)
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return S_OK;
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return VFW_E_TYPE_NOT_ACCEPTED;
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}
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STDMETHOD(Receive)(IMediaSample *pS);
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STDMETHOD(EndOfStream)();
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STDMETHOD(BeginFlush)();
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public:
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CVideoSinkPin(CVideoSink *sink, HRESULT *phr);
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STDMETHOD(GetAllocator)(IMemAllocator **ppAllocator) {
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CAutoLock cObjectLock(m_pLock);
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if (m_pAllocator == NULL) {
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HRESULT hr = S_OK;
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m_pAllocator = new CVSAllocator(NAME("CVSAllocator"), NULL, &hr);
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if (FAILED(hr)) {
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delete m_pAllocator;
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m_pAllocator = NULL;
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return hr;
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}
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m_pAllocator->AddRef();
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}
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ASSERT(m_pAllocator != NULL);
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*ppAllocator = m_pAllocator;
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m_pAllocator->AddRef();
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return NOERROR;
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}
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STDMETHOD(NotifyAllocator)(IMemAllocator *pAlloc, BOOL bReadOnly) {
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CAutoLock cObjectLock(m_pLock);
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CComQIPtr<IVSAllocator> pVSA(pAlloc);
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if (!pVSA)
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return E_NOINTERFACE;
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if (m_changedmt) {
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m_changedmt = false;
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pVSA->SetNextMT(&m_mt);
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}
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return CRenderedInputPin::NotifyAllocator(pAlloc, bReadOnly);
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}
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HRESULT SetMediaType(const CMediaType *pMT) {
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HRESULT hr = CRenderedInputPin::SetMediaType(pMT);
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if (FAILED(hr))
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return hr;
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unsigned type, width, height, bpp, arx, ary;
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int stride;
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if (FAILED(hr = GetFrameFormat(&type, &width, &height, &stride, &bpp, &arx, &ary, NULL)))
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return hr;
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if ((stride & 15) != 0) { // extend
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CMediaType newMT(m_mt);
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if (newMT.formattype == FORMAT_VideoInfo) {
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VIDEOINFOHEADER *vh = (VIDEOINFOHEADER *)newMT.pbFormat;
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vh->bmiHeader.biWidth = ((abs(stride) + 15) & ~15) / bpp;
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vh->rcTarget.left = vh->rcTarget.top = 0;
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vh->rcTarget.right = width;
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vh->rcTarget.bottom = height;
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vh->rcSource = vh->rcTarget;
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} else if (newMT.formattype == FORMAT_VideoInfo2) {
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VIDEOINFOHEADER2 *vh = (VIDEOINFOHEADER2 *)newMT.pbFormat;
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vh->bmiHeader.biWidth = ((abs(stride) + 15) & ~15) / bpp;
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vh->rcTarget.left = vh->rcTarget.top = 0;
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vh->rcTarget.right = width;
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vh->rcTarget.bottom = height;
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vh->rcSource = vh->rcTarget;
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} else
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return E_FAIL;
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hr = m_Connected->QueryAccept(&newMT);
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if (SUCCEEDED(hr)) {
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hr = CRenderedInputPin::SetMediaType(&newMT);
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if (FAILED(hr))
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return hr;
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CComQIPtr<IVSAllocator> pVSA(m_pAllocator);
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if (pVSA)
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pVSA->SetNextMT(&newMT);
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else
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m_changedmt = true;
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}
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}
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return S_OK;
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}
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BOOL AtEOF() { return m_bAtEndOfStream; }
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REFERENCE_TIME SegStartTime() { return m_tStart; }
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unsigned GetTypes() { return m_types; }
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void SetTypes(unsigned t) { m_types = t; }
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HRESULT GetFrameFormat(unsigned *type, unsigned *width, unsigned *height, int *stride,
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unsigned *pbpp, unsigned *arx, unsigned *ary, __int64 *def_duration)
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{
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if (!IsConnected())
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return VFW_E_NOT_CONNECTED;
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unsigned bpp;
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if (m_mt.subtype == MEDIASUBTYPE_RGB24)
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*type = IVS_RGB24, bpp = 3;
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else if (m_mt.subtype == MEDIASUBTYPE_RGB32)
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*type = IVS_RGB32, bpp = 4;
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else if (m_mt.subtype == MEDIASUBTYPE_YUY2)
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*type = IVS_YUY2, bpp = 2;
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else if (m_mt.subtype == MEDIASUBTYPE_YV12)
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*type = IVS_YV12, bpp = 1;
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else
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return VFW_E_INVALID_MEDIA_TYPE;
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if (pbpp)
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*pbpp = bpp;
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BITMAPINFOHEADER *bmh;
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RECT rct;
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if (m_mt.formattype == FORMAT_VideoInfo && m_mt.FormatLength() >= sizeof(VIDEOINFOHEADER)) {
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VIDEOINFOHEADER *vh = (VIDEOINFOHEADER *)m_mt.Format();
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bmh = &vh->bmiHeader;
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rct = vh->rcTarget;
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if (arx)
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*arx = 1;
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if (*ary)
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*ary = 1;
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if (def_duration)
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*def_duration = vh->AvgTimePerFrame;
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} else if (m_mt.formattype == FORMAT_VideoInfo2 && m_mt.FormatLength() >= sizeof(VIDEOINFOHEADER2)) {
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VIDEOINFOHEADER2 *vh = (VIDEOINFOHEADER2 *)m_mt.Format();
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bmh = &vh->bmiHeader;
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rct = vh->rcTarget;
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if (arx)
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*arx = vh->dwPictAspectRatioX;
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if (ary)
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*ary = vh->dwPictAspectRatioY;
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if (def_duration)
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*def_duration = vh->AvgTimePerFrame;
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} else
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return VFW_E_INVALID_MEDIA_TYPE;
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if (stride)
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*stride = (bmh->biHeight > 0 && bmh->biCompression == 0 ? -1 : 1) * (int)bmh->biWidth * (int)bpp;
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if (rct.right != 0)
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*width = rct.right - rct.left;
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else
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*width = bmh->biWidth;
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if (rct.bottom != 0)
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*height = rct.bottom - rct.top;
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else
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*height = abs(bmh->biHeight);
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return S_OK;
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}
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DECLARE_IUNKNOWN;
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};
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class CVideoSink :
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public CBaseFilter,
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public IVideoSink,
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public IVideoSink2,
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public IAMFilterMiscFlags
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{
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CVideoSinkPin *m_pin;
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CRendererPosPassThru *m_rpp;
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CCritSec m_lock;
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int GetPinCount() { return 1; }
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CBasePin *GetPin(int n) { return n == 0 ? m_pin : NULL; }
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CComPtr<IMediaSample> m_sample;
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HANDLE m_hEvent1, m_hEvent2, m_hNotify;
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CComPtr<IVideoSinkNotify> m_notify;
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public:
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CVideoSink(IUnknown *pUnk, HRESULT *phr) :
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CBaseFilter(_T("CVideoSink"), pUnk, &m_lock, CLSID_AegiVideoSink),
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m_pin(NULL),
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m_rpp(NULL)
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{
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m_pin = new CVideoSinkPin(this, phr);
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if (FAILED(*phr))
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return;
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m_rpp = new CRendererPosPassThru(NAME("CVideoSink PosPassThru"), CBaseFilter::GetOwner(), phr, m_pin);
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if (FAILED(*phr))
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return;
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m_hEvent1 = CreateEvent(NULL, FALSE, FALSE, NULL);
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m_hEvent2 = CreateEvent(NULL, FALSE, FALSE, NULL);
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m_hNotify = NULL;
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}
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~CVideoSink() {
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m_sample = NULL;
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delete m_rpp;
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delete m_pin;
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CloseHandle(m_hEvent1);
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CloseHandle(m_hEvent2);
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}
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CCritSec *pStateLock() { return m_pLock; }
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// called when lock is held
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HRESULT Receive(IMediaSample *pS) {
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if (pS == NULL)
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m_rpp->EOS();
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else
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m_rpp->RegisterMediaTime(pS);
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// notify callback
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CComPtr<IVideoSinkNotify> notify = m_notify;
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HANDLE hNotify = m_hNotify;
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if (notify || hNotify) {
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// save our sample
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m_sample = pS;
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// notify receiver
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SetEvent(m_hEvent1);
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}
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pStateLock()->Unlock();
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if (notify || hNotify) {
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if (notify)
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notify->FrameReady();
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if (hNotify)
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SetEvent(hNotify);
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// wait until the thing is processed
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WaitForSingleObject(m_hEvent2, INFINITE);
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}
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if (pS == NULL)
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NotifyEvent(EC_COMPLETE, 0, (LONG_PTR)static_cast<IBaseFilter*>(this));
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return S_OK;
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}
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HRESULT BeginFlush() {
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CAutoLock lock(pStateLock());
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ResetEvent(m_hEvent1);
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m_sample = NULL;
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SetEvent(m_hEvent2);
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return S_OK;
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}
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STDMETHOD(Stop)() {
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BeginFlush();
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return CBaseFilter::Stop();
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}
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// IVideoSink
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STDMETHOD(SetAllowedTypes)(unsigned types) {
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CAutoLock lock(pStateLock());
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m_pin->SetTypes(types);
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return S_OK;
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}
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STDMETHOD(GetAllowedTypes)(unsigned *types) {
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CheckPointer(types, E_POINTER);
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CAutoLock lock(pStateLock());
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*types = m_pin->GetTypes();
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return S_OK;
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}
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STDMETHOD(NotifyFrame)(IVideoSinkNotify *notify) {
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CAutoLock lock(pStateLock());
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m_notify = notify;
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return S_OK;
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}
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STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary) {
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CheckPointer(type, E_POINTER);
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CheckPointer(width, E_POINTER);
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CheckPointer(height, E_POINTER);
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CAutoLock lock(pStateLock());
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return m_pin->GetFrameFormat(type, width, height, NULL, NULL, arx, ary, NULL);
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}
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STDMETHOD(ReadFrame)(ReadFrameFunc f, void *arg) {
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{
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CAutoLock lock(pStateLock());
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if (m_pin->AtEOF()) {
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if (WaitForSingleObject(m_hEvent1, 0) == WAIT_OBJECT_0)
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SetEvent(m_hEvent2);
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return S_FALSE;
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}
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}
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WaitForSingleObject(m_hEvent1, INFINITE);
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HRESULT hr = S_OK;
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{
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CAutoLock lock(pStateLock());
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CComPtr<IMediaSample> pS(m_sample);
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m_sample = NULL;
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if (!pS)
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hr = S_FALSE;
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else {
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REFERENCE_TIME rtS, rtE;
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if (SUCCEEDED(pS->GetTime(&rtS, &rtE)))
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rtS += m_pin->SegStartTime();
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else
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rtS = -1;
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if (f) {
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unsigned type, srcW, srcH, arx, ary, srcBPP;
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int srcS;
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BYTE *srcP;
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if (FAILED(m_pin->GetFrameFormat(&type, &srcW, &srcH, &srcS, &srcBPP, &arx, &ary, NULL)) ||
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FAILED(pS->GetPointer(&srcP)))
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hr = E_FAIL;
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else {
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if (srcS < 0)
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srcP += abs(srcS) * (srcH - 1);
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f(rtS, type, srcBPP, srcP, srcW, srcH, srcS, arx, ary, arg);
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}
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}
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}
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}
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SetEvent(m_hEvent2);
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return hr;
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}
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// IVideoSink2
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STDMETHOD(NotifyFrame)(HANDLE hEvent) {
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m_hNotify = hEvent;
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return S_OK;
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}
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STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary, __int64 *def_duration) {
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CheckPointer(type, E_POINTER);
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CheckPointer(width, E_POINTER);
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CheckPointer(height, E_POINTER);
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CAutoLock lock(pStateLock());
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return m_pin->GetFrameFormat(type, width, height, NULL, NULL, arx, ary, def_duration);
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}
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// IAMFilterMiscFlags
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STDMETHOD_(ULONG, GetMiscFlags)() { return AM_FILTER_MISC_FLAGS_IS_RENDERER; }
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// COM
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DECLARE_IUNKNOWN;
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STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv) {
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CAutoLock lock(pStateLock());
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if (riid == __uuidof(IVideoSink))
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return GetInterface((IVideoSink *)this, ppv);
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if (riid == __uuidof(IVideoSink2))
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return GetInterface((IVideoSink2 *)this, ppv);
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if (riid == __uuidof(IAMFilterMiscFlags))
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return GetInterface((IAMFilterMiscFlags *)this, ppv);
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if (riid == IID_IMediaSeeking || riid == IID_IMediaPosition)
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return m_rpp->NonDelegatingQueryInterface(riid, ppv);
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return CBaseFilter::NonDelegatingQueryInterface(riid, ppv);
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}
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};
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CVideoSinkPin::CVideoSinkPin(CVideoSink *sink, HRESULT *phr) :
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CRenderedInputPin(_T("CVideoSinkPin"), sink, sink->pStateLock(), phr, L"Input"),
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m_types(IVS_RGB32),
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m_sink(sink),
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m_changedmt(false)
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{
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}
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HRESULT CVideoSinkPin::Receive(IMediaSample *pS) {
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m_pLock->Lock();
|
|
|
|
if (m_bFlushing) {
|
|
m_pLock->Unlock();
|
|
return S_FALSE;
|
|
}
|
|
|
|
CMediaType MT;
|
|
AM_MEDIA_TYPE *pMT;
|
|
if (SUCCEEDED(pS->GetMediaType(&pMT)) && pMT != NULL) {
|
|
MT.Set(*pMT); DeleteMediaType(pMT);
|
|
|
|
HRESULT hr = CheckMediaType(&MT);
|
|
if (FAILED(hr)) {
|
|
m_pLock->Unlock();
|
|
return hr;
|
|
}
|
|
|
|
SetMediaType(&MT);
|
|
}
|
|
|
|
if (pS->IsPreroll() == S_OK) {
|
|
m_pLock->Unlock();
|
|
return S_OK;
|
|
}
|
|
|
|
return m_sink->Receive(pS);
|
|
}
|
|
|
|
HRESULT CVideoSinkPin::EndOfStream() {
|
|
HRESULT hr1, hr2;
|
|
|
|
m_pLock->Lock();
|
|
hr1 = CRenderedInputPin::EndOfStream();
|
|
if (m_bFlushing) {
|
|
m_pLock->Unlock();
|
|
return hr1;
|
|
}
|
|
|
|
hr2 = m_sink->Receive(NULL);
|
|
if (FAILED(hr1))
|
|
return hr1;
|
|
return hr2;
|
|
}
|
|
|
|
HRESULT CVideoSinkPin::BeginFlush() {
|
|
HRESULT hr = CRenderedInputPin::BeginFlush();
|
|
m_sink->BeginFlush();
|
|
return hr;
|
|
}
|
|
|
|
//CUnknown * WINAPI CreateVideoSink(IUnknown *pUnk, HRESULT *phr) {
|
|
// CVideoSink *vs = new CVideoSink(pUnk, phr);
|
|
// if (vs == NULL)
|
|
// *phr = E_OUTOFMEMORY;
|
|
// else if (FAILED(*phr)) {
|
|
// delete vs;
|
|
// vs = NULL;
|
|
// }
|
|
// return vs;
|
|
//}
|
|
|
|
HRESULT CreateVideoSink(IBaseFilter **pVS) {
|
|
HRESULT hr = S_OK;
|
|
CVideoSink *vs = new CVideoSink(NULL,&hr);
|
|
if (vs == NULL) hr = E_OUTOFMEMORY;
|
|
else if (FAILED(hr)) {
|
|
delete vs;
|
|
vs = NULL;
|
|
}
|
|
vs->AddRef();
|
|
*pVS = vs;
|
|
return hr;
|
|
}
|