256 lines
7.7 KiB
C++
256 lines
7.7 KiB
C++
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//==========================================================================;
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//
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// Copyright (c) Microsoft Corporation 1999-2000.
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//
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//--------------------------------------------------------------------------;
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//
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// MSVidAudioRenderer.cpp : Implementation of CMSVidAudioRenderer
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//
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#include "stdafx.h"
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#ifndef TUNING_MODEL_ONLY
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#include "MSVidCtl.h"
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#include "MSVidAudioRenderer.h"
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#include "MSVidVideoRenderer.h"
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#include "dvdmedia.h"
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#include "sbe.h"
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DEFINE_EXTERN_OBJECT_ENTRY(CLSID_MSVidAudioRenderer, CMSVidAudioRenderer)
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/////////////////////////////////////////////////////////////////////////////
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// CMSVidAudioRenderer
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STDMETHODIMP CMSVidAudioRenderer::InterfaceSupportsErrorInfo(REFIID riid)
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{
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static const IID* arr[] =
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{
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&IID_IMSVidAudioRenderer
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};
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for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++)
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{
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if (InlineIsEqualGUID(*arr[i],riid))
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return S_OK;
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}
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return S_FALSE;
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}
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STDMETHODIMP CMSVidAudioRenderer::PreRun() {
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if (m_fUseKSRenderer) {
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return NOERROR;
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}
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// until sysaudio works correctly with ksproxy so that we only have 1 audio renderer
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// filter for both digital and analog we have to have two different rendering filters and
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// we don't which we're going to need. in the analog case, after we're done building
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// we're left with the dsound renderer hooked up to the analog filter which creates a 1/2 second(or so)
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// delayed echo. find this scenario if it exists and disconnect the dsound renderer from the wavein filter
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TRACELM(TRACE_DEBUG, "CMSVidAudioRenderer::PreRun()");
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if (m_iAudioRenderer == -1) {
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TRACELM(TRACE_ERROR, "CMSVidAudioRenderer::PreRun() no dsr");
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return VFW_E_NO_AUDIO_HARDWARE;
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}
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DSFilter dsr(m_Filters[m_iAudioRenderer]);
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DSPin dsrin(*dsr.begin());
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if (dsrin.GetDirection() != PINDIR_INPUT) {
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TRACELM(TRACE_ERROR, "CMSVidAudioRenderer::PreRun() first dsound renderer pin not an input");
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return E_UNEXPECTED;
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}
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DSPin upstreampin;
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HRESULT hr = dsrin->ConnectedTo(&upstreampin);
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if (FAILED(hr) || !upstreampin) {
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// dsound renderer not connected to anything
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TRACELM(TRACE_DEBUG, "CMSVidAudioRenderer::PreRun() dsr not connected");
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return NOERROR;
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}
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DSFilter upstreamfilter(upstreampin.GetFilter());
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if (!upstreamfilter) {
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TRACELM(TRACE_ERROR, "CMSVidAudioRenderer::PreRun() upstream pin has no filter");
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return E_UNEXPECTED;
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}
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PQAudioInputMixer p(upstreamfilter);
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if (!p) {
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TRACELM(TRACE_ERROR, "CMSVidAudioRenderer::PreRun() upstream filter not wavein");
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#if 0
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PQVidCtl pqCtl;
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hr = m_pContainer->QueryInterface(IID_IMSVidCtl, reinterpret_cast<void**>(&pqCtl));
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if(FAILED(hr)){
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return hr;
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}
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CComQIPtr<IMSVidVideoRenderer> pq_VidVid;
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hr = pqCtl->get_VideoRendererActive(&pq_VidVid);
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if(FAILED(hr)){
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return hr;
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}
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CComQIPtr<IMSVidStreamBufferSource> pq_SBESource;
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CComQIPtr<IMSVidInputDevice> pq_Dev;
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hr = pqCtl->get_InputActive(&pq_Dev);
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if(FAILED(hr)){
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return hr;
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}
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pq_SBESource = pq_Dev;
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if(!pq_VidVid || !pq_SBESource){
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return NOERROR;
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}
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VWGraphSegment vVid(pq_VidVid);
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if(!vVid){
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return E_NOINTERFACE;
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}
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VWGraphSegment::iterator iV;
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for (iV = vVid.begin(); iV != vVid.end(); ++iV) {
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if (IsVideoRenderer(*iV)) {
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break;
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}
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}
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if (iV == vVid.end()) {
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TRACELM(TRACE_ERROR, "CAnaCapComp::Compose() segment has no video mixer filter");
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return E_FAIL;
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}
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CComQIPtr<IMediaFilter> pq_MFVid(*iV);
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if(!pq_MFVid){
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return E_NOINTERFACE;
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}
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CComQIPtr<IMediaFilter> pq_MFAud(dsr);
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if(!pq_MFAud){
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return E_NOINTERFACE;
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}
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CComQIPtr<IMediaFilter> pq_MFGph(m_pGraph);
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if(!pq_MFGph){
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return E_NOINTERFACE;
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}
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VWGraphSegment vSbe(pq_SBESource);
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if(!vSbe){
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return E_NOINTERFACE;
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}
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CComQIPtr<IStreamBufferSource> pq_SBE;
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VWGraphSegment::iterator iS;
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for (iS = vSbe.begin(); iS != vSbe.end(); ++iS) {
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pq_SBE = (*iS);
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if (!!pq_SBE) {
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break;
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}
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}
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if (iS == vSbe.end()) {
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TRACELM(TRACE_ERROR, "CAnaCapComp::Compose() segment has no video mixer filter");
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return E_FAIL;
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}
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CComQIPtr<IReferenceClock> pq_IClock;
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hr = dsr->QueryInterface(&pq_IClock);
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if(FAILED(hr)){
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return hr;
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}
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if(!pq_IClock || !pq_MFVid || !pq_MFAud || !pq_MFGph){
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return E_NOINTERFACE;
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}
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hr = pq_MFGph->SetSyncSource(pq_IClock);
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if(FAILED(hr)){
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return hr;
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}
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#if 0
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hr = pq_MFilter2->SetSyncSource(pq_IClock);
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if(FAILED(hr)){
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return hr;
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}
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#endif
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hr = pq_MFVid->SetSyncSource(pq_IClock);
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if(FAILED(hr)){
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return hr;
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}
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#endif
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return NOERROR;
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}
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bool rc = m_pGraph.DisconnectFilter(dsr, false, false);
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if (!rc) {
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TRACELM(TRACE_ERROR, "CMSVidAudioRenderer::PreRun() disconnect filter failed");
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return E_UNEXPECTED;
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}
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return NOERROR;
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}
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STDMETHODIMP CMSVidAudioRenderer::Build() {
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if (!m_fInit || !m_pGraph) {
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return Error(IDS_OBJ_NO_INIT, __uuidof(IMSVidAudioRenderer), CO_E_NOTINITIALIZED);
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}
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try {
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CString csName;
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DSFilter ar;
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PQCreateDevEnum SysEnum(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER);
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if(m_iAudioRenderer==-1){
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if (m_fUseKSRenderer) {
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csName = _T("KS System Renderer");
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// undone: use ks system renderer
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} else if (m_fAnalogOnly) {
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csName = _T("Analog Audio Renderer");
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DSDevices ARList(SysEnum, CLSID_AudioInputDeviceCategory);
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if (ARList.begin() != ARList.end()) {
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ar = m_pGraph.LoadFilter(*ARList.begin(), csName);
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m_pAR = ar;
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}
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} else if (m_fDigitalOnly) {
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csName = _T("Default DSound Renderer");
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ar = DSFilter(CLSID_DSoundRender);
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m_pAR = ar;
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} else {
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// NOTE: its important that digital audio be first so that we short circuit
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// loading 8 billion audio codecs trying to connect a digital source
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// to the analog renderer. there aren't any analog codecs(a physical impossiblity),
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// so we don't have to worry about the reverse case.
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csName = _T("Default DSound Renderer");
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ar = DSFilter(CLSID_DSoundRender);
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if (ar) {
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m_pGraph.AddFilter(ar, csName);
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m_Filters.push_back(ar);
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}
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csName = _T("Analog Audio Renderer");
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DSDevices ARList(SysEnum, CLSID_AudioInputDeviceCategory);
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if (ARList.begin() != ARList.end()) {
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ar = m_pGraph.LoadFilter(*ARList.begin(), csName);
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}
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}
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}
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if (ar) {
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m_pGraph.AddFilter(ar, csName);
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m_Filters.push_back(ar);
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m_iAudioRenderer = 0;
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}
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if(m_iAudioRenderer == -1){
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return VFW_E_NO_AUDIO_HARDWARE;
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}
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else{
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return NOERROR;
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}
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} catch (ComException &e) {
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return e;
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} catch (...) {
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return E_UNEXPECTED;
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}
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}
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#endif //TUNING_MODEL_ONLY
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// end of file - msvidaudiorenderer.cpp
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