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-rw-r--r--tinyDSHOW/src/DSDisplayGraph.cxx330
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diff --git a/tinyDSHOW/src/DSDisplayGraph.cxx b/tinyDSHOW/src/DSDisplayGraph.cxx
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+++ b/tinyDSHOW/src/DSDisplayGraph.cxx
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+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* DOUBANGO is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with DOUBANGO.
+*
+*/
+#if defined(VMR9)
+#define DIRECT3D_VERSION 0x0900
+#endif
+
+#include <tinydshow/DSDisplayGraph.h>
+#include <tinydshow/DSUtils.h>
+#include <tinydshow/DSOutputFilter.h>
+
+#include "tsk_debug.h"
+
+#include <iostream>
+
+using namespace std;
+
+DSDisplayGraph::DSDisplayGraph(HRESULT *hr)
+{
+ this->running = FALSE;
+ this->fps = 15;
+
+ this->graphBuilder = NULL;
+
+ this->sourceFilter = NULL;
+ this->colorspaceConverterFilter = NULL;
+ this->videoRendererFilter = NULL;
+
+ this->mediaController = NULL;
+ this->mediaEvent = NULL;
+ this->videoWindow = NULL;
+
+#if defined(VMR) ||defined(VMR9) || defined(VMR9_WINDOWLESS)
+ this->mixerBitmap = NULL;
+ this->filterConfig = NULL;
+#endif
+
+#if defined(VMR9_WINDOWLESS)
+ this->windowlessControl = NULL;
+#endif
+
+ *hr = this->createDisplayGraph();
+ if (FAILED(*hr)) return;
+
+ *hr = this->connect();
+ if (FAILED(*hr)) return;
+}
+
+DSDisplayGraph::~DSDisplayGraph()
+{
+ this->disconnect();
+
+#if defined(VMR9_WINDOWLESS)
+ SAFE_RELEASE(this->windowlessControl);
+#endif
+
+#if defined(VMR) ||defined(VMR9) || defined(VMR9_WINDOWLESS)
+ SAFE_RELEASE(this->filterConfig);
+ SAFE_RELEASE(this->mixerBitmap);
+#endif
+
+ SAFE_RELEASE(this->videoWindow);
+ SAFE_RELEASE(this->mediaEvent);
+ SAFE_RELEASE(this->mediaController);
+
+ SAFE_RELEASE(this->colorspaceConverterFilter);
+ SAFE_RELEASE(this->videoRendererFilter);
+ //SAFE_RELEASE(this->sourceFilter);
+
+ SAFE_RELEASE(this->graphBuilder);
+}
+
+void DSDisplayGraph::setDisplayFps(int fps_)
+{
+ this->fps = fps_;
+ if(this->sourceFilter){
+ this->sourceFilter->setFps(fps_);
+ }
+}
+
+bool DSDisplayGraph::getImageFormat(UINT &width, UINT &height)
+{
+ if(this->sourceFilter){
+ return this->sourceFilter->getImageFormat(width, height);
+ }
+ return false;
+}
+
+bool DSDisplayGraph::setImageFormat(UINT width, UINT height)
+{
+ bool ret = true;
+ if(this->sourceFilter){
+ UINT w=width, h = height;
+ if(this->sourceFilter->getImageFormat(w, h)){
+ if(w!= width || h!=height){ // Image format has changed
+ bool reconnect = this->connected; // IMPORTANT: Must reconnect all elements
+ HRESULT hr;
+ if(reconnect){
+ if((hr = this->disconnect()) != S_OK){
+ return false;
+ }
+ }
+ ret = (this->sourceFilter->setImageFormat(width, height) == S_OK);
+ if(reconnect){
+ if((hr = this->connect())){
+ return false;
+ }
+ }
+ }
+ }
+ }
+ return ret;
+}
+
+HRESULT DSDisplayGraph::connect()
+{
+ HRESULT hr;
+
+ if((hr = ConnectFilters(this->graphBuilder, this->sourceFilter, this->colorspaceConverterFilter)) != S_OK){
+ TSK_DEBUG_ERROR("Failed to connect sourcefilter with the colorspace");
+ return hr;
+ }
+ if((hr = ConnectFilters(this->graphBuilder, this->colorspaceConverterFilter, this->videoRendererFilter)) != S_OK){
+ TSK_DEBUG_ERROR("Failed to connect colorspace with the videorenderer");
+ return hr;
+ }
+
+ this->connected = true;
+ return S_OK;
+}
+
+HRESULT DSDisplayGraph::disconnect()
+{
+ HRESULT hr;
+
+ if((hr = DisconnectFilters(this->graphBuilder, this->sourceFilter, this->colorspaceConverterFilter)) != S_OK){
+ TSK_DEBUG_ERROR("Failed to disconnect sourcefilter with the colorspace");
+ return hr;
+ }
+ if((hr = DisconnectFilters(this->graphBuilder, this->colorspaceConverterFilter, this->videoRendererFilter)) != S_OK){
+ TSK_DEBUG_ERROR("Failed to connect colorspace with the videorenderer");
+ return hr;
+ }
+
+ this->connected = false;
+ return S_OK;
+}
+
+HRESULT DSDisplayGraph::start()
+{
+ HRESULT hr;
+ this->running = true;
+ this->sourceFilter->reset();
+
+ hr = this->mediaController->Run();
+ if (!SUCCEEDED(hr)){
+ TSK_DEBUG_ERROR("DSDisplayGraph::mediaController->Run() has failed with %ld", hr);
+ }
+ return hr;
+}
+
+HRESULT DSDisplayGraph::stop()
+{
+ HRESULT hr;
+
+ hr = this->mediaController->Pause();
+ if (hr == S_FALSE){
+ TSK_DEBUG_ERROR("DSDisplayGraph::mediaController->Pause() has failed with %ld. Waiting for transition.", hr);
+ FILTER_STATE pfs;
+ hr = this->mediaController->GetState(2500, (OAFilterState*) &pfs);
+ }
+
+ hr = this->mediaController->Stop();
+ if (!SUCCEEDED(hr)){
+ TSK_DEBUG_ERROR("DSDisplayGraph::mediaController->Stop() has failed with %ld", hr);
+ }
+
+ this->running = false;
+
+ return hr;
+}
+
+bool DSDisplayGraph::isRunning()
+{
+ return this->running;
+}
+
+void DSDisplayGraph::handleFrame(const void* data, int w, int h)
+{
+ HRESULT hr;
+
+ if(!this->sourceFilter){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return;
+ }
+
+ if(!data || !this->running){
+ this->sourceFilter->setBuffer(NULL, (w*h*3));
+ return;
+ }
+
+ hr = this->sourceFilter->setImageFormat(w, h);
+ if (hr == S_OK){
+ this->stop();
+
+ this->disconnect();
+ this->connect();
+
+ this->start();
+ }
+
+ this->sourceFilter->setBuffer((void*)data, (w*h*3));
+}
+
+HRESULT DSDisplayGraph::createDisplayGraph()
+{
+ HRESULT hr;
+
+ // Create the graph builder
+ hr = COCREATE(CLSID_FilterGraph, IID_IGraphBuilder, this->graphBuilder);
+ if(FAILED(hr)) return hr;
+
+
+ // Create my custom filter
+ LPUNKNOWN pUnk = NULL;
+ this->sourceFilter = new DSOutputFilter(pUnk, &hr /*, this*/);
+ if(FAILED(hr) || this->sourceFilter == NULL) return hr;
+
+ // Create the color space convertor filter
+ hr = COCREATE(CLSID_Colour, IID_IBaseFilter, this->colorspaceConverterFilter);
+ if(FAILED(hr)) return hr;
+
+#if defined(VMR)
+ // Create the video mixing renderer based on Direct X
+ hr = COCREATE(CLSID_VideoMixingRenderer, IID_IBaseFilter, this->videoRendererFilter);
+ if(FAILED(hr)) return hr;
+#elif defined(VMR9) || defined(VMR9_WINDOWLESS)
+ // Create the video mixing renderer based on Direct X 9.0
+ hr = COCREATE(CLSID_VideoMixingRenderer9, IID_IBaseFilter, this->videoRendererFilter);
+ if(FAILED(hr)) return hr;
+#else
+ // Create the video renderer
+ hr = COCREATE(CLSID_VideoRenderer, IID_IBaseFilter, this->videoRendererFilter);
+ if(FAILED(hr)) return hr;
+#endif
+
+
+ // Add dource filter to the graph
+ hr = this->graphBuilder->AddFilter(this->sourceFilter, FILTER_OUTPUT);
+ if(FAILED(hr)) return hr;
+
+ // Add the color space convertor to the graph
+ hr = this->graphBuilder->AddFilter(this->colorspaceConverterFilter, FILTER_COLORSPACE_CONVERTOR);
+ if(FAILED(hr)) return hr;
+
+ // Add video renderer to the graph
+ hr = this->graphBuilder->AddFilter(this->videoRendererFilter, FILTER_VIDEO_RENDERER);
+ if(FAILED(hr)) return hr;
+
+
+ // Find media control
+ hr = QUERY(this->graphBuilder, IID_IMediaControl, this->mediaController);
+ if(FAILED(hr)) return hr;
+
+ // Find media event
+ hr = QUERY(this->graphBuilder, IID_IMediaEventEx, this->mediaEvent);
+ if(FAILED(hr)) return hr;
+ // hr = this->mediaEvent->SetNotifyFlags(AM_MEDIAEVENT_NONOTIFY);
+
+
+#if defined(VMR)
+ // Find the bitmap mixer (Direct X)
+ hr = QUERY(this->videoRendererFilter, IID_IVMRMixerBitmap, this->mixerBitmap);
+ if(FAILED(hr)) return hr;
+
+ // Find the bitmap configurer (Direct X)
+ hr = QUERY(this->videoRendererFilter, IID_IVMRFilterConfig, this->filterConfig);
+ if(FAILED(hr)) return hr;
+
+ // Set the number of streams (Direct X)
+ hr = this->filterConfig->SetNumberOfStreams(1);
+ if(FAILED(hr)) return hr;
+#elif defined(VMR9) || defined(VMR9_WINDOWLESS)
+ // Find the bitmap mixer (Direct X 9.0)
+ hr = QUERY(this->videoRendererFilter, IID_IVMRMixerBitmap9, this->mixerBitmap);
+ if(FAILED(hr)) return hr;
+
+ // Find the bitmap configurer (Direct X 9.0)
+ hr = QUERY(this->videoRendererFilter, IID_IVMRFilterConfig9, this->filterConfig);
+ if(FAILED(hr)) return hr;
+
+ // Set the number of streams (Direct X 9.0)
+ hr = this->filterConfig->SetNumberOfStreams(1);
+ if(FAILED(hr)) return hr;
+#endif
+
+#if defined(VMR9_WINDOWLESS)
+ // Set the rendering mode (Direct X 9.0)
+ hr = this->filterConfig->SetRenderingMode(VMR9Mode_Windowless);
+ if(FAILED(hr)) return hr;
+
+ // Find the windowless control (Direct X 9.0)
+ hr = QUERY(this->videoRendererFilter, IID_IVMRWindowlessControl9, this->windowlessControl);
+ if(FAILED(hr)) return hr;
+#else
+ // Find IVideoWindow interface
+ hr = QUERY(this->graphBuilder, IID_IVideoWindow, this->videoWindow);
+ if(FAILED(hr)) return hr;
+#endif
+
+ return hr;
+}
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