307 lines
10 KiB
C++
307 lines
10 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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// MSVidFilePlayback.cpp : Implementation of CMSVidFilePlayback
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//
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#include "stdafx.h"
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#ifndef TUNING_MODEL_ONLY
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#include "atltmp.h"
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#include "MSVidCtl.h"
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#include "MSVidFilePlayback.h"
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#include <nserror.h>
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#include <wmsdkidl.h>
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#define FILE_BEGINNING 0
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#define LOCAL_OATRUE -1
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DEFINE_EXTERN_OBJECT_ENTRY(CLSID_MSVidFilePlaybackDevice, CMSVidFilePlayback)
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/////////////////////////////////////////////////////////////////////////////
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// CMSVidFilePlayback
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STDMETHODIMP CMSVidFilePlayback::PostRun(){
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if(m_fGraphInit){
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InitGraph();
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m_fGraphInit = false;
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}
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return IMSVidPBGraphSegmentImpl<CMSVidFilePlayback, MSVidSEG_SOURCE, &GUID_NULL>::PostRun();
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}
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STDMETHODIMP CMSVidFilePlayback::put_Rate(double lRate){
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HRESULT hr = S_OK;
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try{
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/*** Checking args and init'ing interfaces ***/
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if (!m_pGraph) {
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// graph not valid
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return Error(IDS_INVALID_STATE, __uuidof(IMSVidFilePlayback), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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// Attempt to set the rate using IMediaSeeking
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DSFilter Reader = m_Filters[m_iReader];
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PQMediaSeeking PQIMSeeking;
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if(Reader){
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for(DSFilter::iterator iPin = Reader.begin(); iPin != Reader.end(); ++iPin){
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PQIMSeeking = (*iPin);
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if(PQIMSeeking){
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::put_Rate found Pin"), "");
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break;
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}
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}
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}
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if(!PQIMSeeking){
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::put_Rate using graph"), "");
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PQIMSeeking = m_pGraph;
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}
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if(PQIMSeeking){
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::put_Rate using Imediaseeking"), "");
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return PQIMSeeking->SetRate(lRate);
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}
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// If IMediaSeeking FAILS try IMediaPostion
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PQMediaPosition PQIMPos(m_pGraph);
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if(PQIMPos){
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// Change rate
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::put_Rate using Imediaposition"), "");
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return PQIMPos->put_Rate((double)lRate);
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}
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// Could Not QI Either one set the error
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return Error(IDS_E_CANTQI , __uuidof(IMSVidFilePlayback), E_NOINTERFACE);
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}
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catch(HRESULT hrTmp){
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// Something went bad, threw a HRESULT
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return Error(IDS_INVALID_STATE , __uuidof(IMSVidFilePlayback), hrTmp);
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}
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catch(...){
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// Something went bad, dont know what it threw
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return E_UNEXPECTED;
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}
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}
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STDMETHODIMP CMSVidFilePlayback::get_Rate(double *lRate){
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HRESULT hr = S_OK;
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try{
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/*** Checking args and init'ing interfaces ***/
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if (!m_pGraph) {
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// graph not valid
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return Error(IDS_INVALID_STATE, __uuidof(IMSVidFilePlayback), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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// Attempt to set the rate using IMediaSeeking
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DSFilter Reader = m_Filters[m_iReader];
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PQMediaSeeking PQIMSeeking;
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if(Reader){
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for(DSFilter::iterator iPin = Reader.begin(); iPin != Reader.end(); ++iPin){
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PQIMSeeking = (*iPin);
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if(PQIMSeeking){
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break;
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}
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}
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}
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if(!PQIMSeeking){
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PQIMSeeking = m_pGraph;
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}
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if(PQIMSeeking){
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return PQIMSeeking->GetRate(lRate);
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}
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// If IMediaSeeking FAILS try IMediaPostion
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PQMediaPosition PQIMPos(m_pGraph);
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if(PQIMPos){
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// Change rate
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return PQIMPos->get_Rate(lRate);
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}
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// Could Not QI Either one set the error
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return Error(IDS_E_CANTQI , __uuidof(IMSVidFilePlayback), E_NOINTERFACE);
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}
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catch(HRESULT hrTmp){
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// Something went bad, threw a HRESULT
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return Error(IDS_INVALID_STATE , __uuidof(IMSVidFilePlayback), hrTmp);
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}
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catch(...){
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// Something went bad, dont know what it threw
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return E_UNEXPECTED;
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}
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}
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STDMETHODIMP CMSVidFilePlayback::PreStop(){
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::PreStop()"), "");
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double curRate = 0;
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HRESULT hr = get_Rate(&curRate);
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if(SUCCEEDED(hr) && curRate != 1){
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hr = IMSVidFilePlaybackImpl<CMSVidFilePlayback, &LIBID_MSVidCtlLib, &GUID_NULL, IMSVidFilePlayback>::put_Rate(1);
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if(FAILED(hr)){
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::PreStop() base put_Rate 1 failed"), "");
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}
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hr = put_Rate(1);
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if(FAILED(hr)){
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::PreStop() put_Rate 1 failed"), "");
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}
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::PreStop() get_Rate failed"), "");
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}
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return NOERROR;
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}
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STDMETHODIMP CMSVidFilePlayback::PostStop(){
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HRESULT hr = S_OK;
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TRACELSM(TRACE_DETAIL, (dbgDump << "MSVidFilePlayback::PostStop()"), "");
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try {
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#if 0
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// If the graph is not is stopped state
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// we make sure it is
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if (!m_pGraph.IsStopped()) {
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HRESULT hr = PQVidCtl(m_pContainer)->Stop();
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}
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#endif
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// If m_fEnableResetOnStop is true then we need to reset
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// the postion back to the beggining
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// else do nothing
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// If it fails file cannot be reset to beginning
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if(m_fEnableResetOnStop){
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put_CurrentPosition(0);
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}
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}
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catch(HRESULT hrTmp){
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hr = hrTmp;
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}
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catch(...){
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hr = E_UNEXPECTED;
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}
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return hr;
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}
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STDMETHODIMP CMSVidFilePlayback::InterfaceSupportsErrorInfo(REFIID riid)
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{
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static const IID* arr[] =
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{
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&IID_IMSVidFilePlayback
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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 CMSVidFilePlayback::put_Container(IMSVidGraphSegmentContainer *pCtl)
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{
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try {
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if (!m_fInit) {
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return Error(IDS_OBJ_NO_INIT, __uuidof(IMSVidFilePlayback), CO_E_NOTINITIALIZED);
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}
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if (!pCtl) {
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return Unload();
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}
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if (m_pContainer) {
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if (!m_pContainer.IsEqualObject(VWSegmentContainer(pCtl))) {
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return Error(IDS_OBJ_ALREADY_INIT, __uuidof(IMSVidFilePlayback), CO_E_ALREADYINITIALIZED);
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} else {
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return NO_ERROR;
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}
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}
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// DON'T addref the container. we're guaranteed nested lifetimes
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// and an addref creates circular refcounts so we never unload.
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m_pContainer.p = pCtl;
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m_pGraph = m_pContainer.GetGraph();
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return NOERROR;
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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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STDMETHODIMP CMSVidFilePlayback::Build() {
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if (!m_FileName) {
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return Error(IDS_INVALID_STATE, __uuidof(IMSVidFilePlayback), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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if(m_Filters.size() > 0){
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return NOERROR;
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}
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USES_CONVERSION;
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CString csName(_T("File Playback"));
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DSFilter pfr;
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HRESULT hr = pfr.CoCreateInstance(CLSID_WMAsfReader,0, CLSCTX_INPROC_SERVER);
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if(SUCCEEDED(hr)){
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CComQIPtr<IFileSourceFilter> pqFS(pfr);
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if(!!pqFS){
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// set the target ASF filename
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hr = pqFS->Load(m_FileName, NULL);
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if(FAILED(hr)){
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if(hr == (HRESULT)NS_E_LICENSE_REQUIRED){
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CComQIPtr<IWMDRMReader> pq_DRMReader(pqFS);
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if(pq_DRMReader){
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hr = pq_DRMReader->AcquireLicense(1); // 1 == attempt silently
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if(SUCCEEDED(hr)){
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hr = pqFS->Load(m_FileName, NULL);
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() Could not acquire license"), "");
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}
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() Could not qi for IWMDRMReader "), "");
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}
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}
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}
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if(SUCCEEDED(hr)){
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// add the ASF writer filter to the graph
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hr = m_pGraph->AddFilter(pfr, csName);
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if(SUCCEEDED(hr)){
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() added WMV filter to graph hr = " << std::hex << hr), "");
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() could not add filter to graph hr = " << std::hex << hr), "");
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}
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() Could not set file name, hr = " << std::hex << hr), "");
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}
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() Could not get IFileSourceFilter interface, hr = " << std::hex << hr), "");
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}
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}
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else{
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() CreateFilter AsfReader failed, hr = " << std::hex << hr), "");
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}
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if (FAILED(hr)) {
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hr = m_pGraph->AddSourceFilter(m_FileName, csName, &pfr);
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if(FAILED(hr)){
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TRACELSM(TRACE_ERROR, (dbgDump << "MSVidFilePlayback::Build() Add Source Filter Failed, hr = " << std::hex << hr), "");
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return Error(IDS_CANT_PLAY_FILE, __uuidof(IMSVidFilePlayback), hr);
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}
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}
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m_Filters.clear();
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m_Filters.push_back(pfr);
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m_iReader = m_Filters.size() - 1;
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return NOERROR;
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}
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STDMETHODIMP CMSVidFilePlayback::OnEventNotify(long lEvent, LONG_PTR lParam1, LONG_PTR lParam2) {
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return IMSVidPBGraphSegmentImpl<CMSVidFilePlayback, MSVidSEG_SOURCE, &GUID_NULL>::OnEventNotify(lEvent, lParam1, lParam2);
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}
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#endif //TUNING_MODEL_ONLY
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// end of file - MSVidFilePlayback.cpp
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