LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
522 lines
12 KiB
C++
522 lines
12 KiB
C++
//------------------------------------------------------------------------------
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// File: vcdplyer.cpp
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//
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// Desc: DirectShow sample code - VMR-based Renderless video player
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//
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// Copyright (c) 1994-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#include <streams.h>
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#include <mmreg.h>
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#include <commctrl.h>
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#include <atlbase.h>
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#include "project.h"
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#include <stdarg.h>
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#include <stdio.h>
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#define MY_USER_ID 0x1234ACDE
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/******************************Public*Routine******************************\
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* CMpegMovie
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*
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* Constructors and destructors
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*
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\**************************************************************************/
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CMpegMovie::CMpegMovie(HWND hwndApplication)
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: CUnknown(NAME("Allocator Presenter"), NULL),
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m_hwndApp(hwndApplication),
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m_MediaEvent(NULL),
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m_Mode(MOVIE_NOTOPENED),
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m_Fg(NULL),
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m_Gb(NULL),
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m_Mc(NULL),
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m_Ms(NULL),
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m_Me(NULL),
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m_lpDefSAN(NULL),
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m_bFullScreen(FALSE),
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m_bFullScreenPoss(FALSE),
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m_pddsRenderT(NULL),
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m_pddsPriText(NULL),
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m_pddsPrimary(NULL),
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m_iDuration(-1),
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m_TimeFormat(TIME_FORMAT_MEDIA_TIME)
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{
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AddRef();
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}
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CMpegMovie::~CMpegMovie()
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{
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;
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}
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/*****************************Private*Routine******************************\
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* SetRenderingMode
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*
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\**************************************************************************/
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HRESULT
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SetRenderingMode(
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IBaseFilter* pBaseFilter,
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VMRMode mode
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)
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{
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IVMRFilterConfig* pConfig;
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HRESULT hr = pBaseFilter->QueryInterface(IID_IVMRFilterConfig,
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(LPVOID *)&pConfig);
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if(SUCCEEDED(hr))
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{
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pConfig->SetRenderingMode(mode);
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pConfig->Release();
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}
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return hr;
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}
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/*****************************Private*Routine******************************\
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* AddVideoMixingRendererToFG()
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*
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\**************************************************************************/
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HRESULT
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CMpegMovie::AddVideoMixingRendererToFG()
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{
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IBaseFilter* pBF = NULL;
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HRESULT hRes = S_OK;
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__try {
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CHECK_HR(hRes = CoCreateInstance(CLSID_VideoMixingRenderer,
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NULL, CLSCTX_INPROC,IID_IBaseFilter,
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(LPVOID *)&pBF));
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CHECK_HR(hRes = m_Fg->AddFilter(pBF, L"Video Mixing Renderer"));
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CHECK_HR(hRes = SetRenderingMode(pBF, VMRMode_Renderless));
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CHECK_HR(hRes = pBF->QueryInterface(IID_IVMRSurfaceAllocatorNotify,
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(LPVOID *)&m_lpDefSAN));
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CHECK_HR(hRes = CreateDefaultAllocatorPresenter());
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CHECK_HR(hRes = m_lpDefSAN->AdviseSurfaceAllocator(MY_USER_ID, this));
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}
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__finally {
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RELEASE(pBF);
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}
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return hRes;
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}
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/******************************Public*Routine******************************\
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* OpenMovie
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*
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\**************************************************************************/
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HRESULT
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CMpegMovie::OpenMovie(
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TCHAR *lpFileName
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)
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{
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USES_CONVERSION;
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HRESULT hres = S_OK;
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IUnknown *pUnk = NULL;
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WCHAR FileName[MAX_PATH];
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wcscpy(FileName, T2W(lpFileName));
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__try
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{
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CHECK_HR(hres = CoCreateInstance(CLSID_FilterGraph,
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NULL, CLSCTX_INPROC,
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IID_IUnknown, (LPVOID *)&pUnk));
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m_Mode = MOVIE_OPENED;
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CHECK_HR(hres = pUnk->QueryInterface(IID_IFilterGraph, (LPVOID *)&m_Fg));
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CHECK_HR(hres = AddVideoMixingRendererToFG());
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CHECK_HR(hres = pUnk->QueryInterface(IID_IGraphBuilder, (LPVOID *)&m_Gb));
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CHECK_HR(hres = m_Gb->RenderFile(FileName, NULL));
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CHECK_HR(hres = pUnk->QueryInterface(IID_IMediaControl, (LPVOID *)&m_Mc));
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//
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// Not being able to get the IMediaEvent interface does
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// necessarly mean that we can't play the graph.
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//
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pUnk->QueryInterface(IID_IMediaEvent, (LPVOID *)&m_Me);
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GetMovieEventHandle();
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pUnk->QueryInterface(IID_IMediaSeeking, (LPVOID *)&m_Ms);
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}
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__finally
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{
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if(FAILED(hres))
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{
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RELEASE(m_Ms);
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RELEASE(m_Me);
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RELEASE(m_Mc);
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RELEASE(m_Gb);
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RELEASE(m_Fg);
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}
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RELEASE(pUnk);
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}
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return hres;
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}
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/******************************Public*Routine******************************\
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* CloseMovie
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*
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\**************************************************************************/
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DWORD
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CMpegMovie::CloseMovie(
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)
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{
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m_Mode = MOVIE_NOTOPENED;
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m_bFullScreen = FALSE;
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RELEASE(m_Mc);
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RELEASE(m_Me);
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RELEASE(m_Ms);
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RELEASE(m_Gb);
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RELEASE(m_Fg);
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RELEASE(m_lpDefWC);
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RELEASE(m_lpDefSA);
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RELEASE(m_lpDefIP);
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return 0L;
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}
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/******************************Public*Routine******************************\
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* RepaintVideo
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::RepaintVideo(
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HWND hwnd,
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HDC hdc
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)
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{
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BOOL bRet = FALSE;
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if(m_lpDefWC)
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{
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bRet = (m_lpDefWC->RepaintVideo(hwnd, hdc) == S_OK);
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}
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return bRet;
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}
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/******************************Public*Routine******************************\
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* PutMoviePosition
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::PutMoviePosition(
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LONG x,
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LONG y,
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LONG cx,
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LONG cy
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)
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{
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RECT rc;
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SetRect(&rc, x, y, x + cx, y + cy);
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BOOL bRet = (m_lpDefWC->SetVideoPosition(NULL, &rc) == S_OK);
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return bRet;
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}
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/******************************Public*Routine******************************\
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* PlayMovie
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::PlayMovie(
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)
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{
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REFTIME rt;
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REFTIME rtAbs;
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REFTIME rtDur;
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rt = GetCurrentPosition();
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rtDur = GetDuration();
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//
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// If we are near the end of the movie seek to the start, otherwise
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// stay where we are.
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//
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rtAbs = rt - rtDur;
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if(rtAbs < (REFTIME)0)
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{
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rtAbs = -rtAbs;
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}
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if(rtAbs <= (REFTIME)1)
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{
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SeekToPosition((REFTIME)0,FALSE);
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}
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//
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// Change mode after setting m_Mode but before starting the graph
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//
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m_Mode = MOVIE_PLAYING;
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m_Mc->Run();
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return TRUE;
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}
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/******************************Public*Routine******************************\
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* PauseMovie
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::PauseMovie(
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)
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{
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m_Mode = MOVIE_PAUSED;
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m_Mc->Pause();
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return TRUE;
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}
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/******************************Public*Routine******************************\
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* GetStateMovie
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*
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\**************************************************************************/
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OAFilterState
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CMpegMovie::GetStateMovie(
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)
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{
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OAFilterState State;
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m_Mc->GetState(INFINITE,&State);
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return State;
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}
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/******************************Public*Routine******************************\
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* StopMovie
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::StopMovie(
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)
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{
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m_Mode = MOVIE_STOPPED;
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m_Mc->Stop();
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return TRUE;
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}
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/******************************Public*Routine******************************\
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* GetMediaEventHandle
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*
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* Returns the IMediaEvent event hamdle for the filter graph if the
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* filter graph exists.
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*
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\**************************************************************************/
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HANDLE
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CMpegMovie::GetMovieEventHandle(
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)
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{
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HRESULT hr;
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if(m_Me != NULL)
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{
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if(m_MediaEvent == NULL)
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{
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hr = m_Me->GetEventHandle((OAEVENT *)&m_MediaEvent);
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}
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}
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else
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{
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m_MediaEvent = NULL;
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}
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return m_MediaEvent;
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}
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/******************************Public*Routine******************************\
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* GetMovieEventCode
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*
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\**************************************************************************/
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long
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CMpegMovie::GetMovieEventCode()
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{
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HRESULT hr;
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long lEventCode;
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LONG_PTR lParam1, lParam2;
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if(m_Me != NULL)
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{
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hr = m_Me->GetEvent(&lEventCode, &lParam1, &lParam2, 0);
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if(SUCCEEDED(hr))
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{
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hr = m_Me->FreeEventParams(lEventCode, lParam1, lParam2);
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return lEventCode;
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}
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}
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return 0L;
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}
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/******************************Public*Routine******************************\
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* GetDuration
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*
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* Returns the duration of the current movie
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*
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\**************************************************************************/
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REFTIME
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CMpegMovie::GetDuration()
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{
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HRESULT hr;
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LONGLONG Duration;
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// Should we seek using IMediaSelection
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if(m_Ms != NULL && m_TimeFormat != TIME_FORMAT_MEDIA_TIME)
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{
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hr = m_Ms->GetDuration(&Duration);
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if(SUCCEEDED(hr))
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{
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return double(Duration);
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}
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}
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else if(m_Ms != NULL)
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{
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hr = m_Ms->GetDuration(&Duration);
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if(SUCCEEDED(hr))
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{
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return double(Duration) / UNITS;
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}
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}
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return 0;
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}
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/******************************Public*Routine******************************\
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* GetCurrentPosition
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*
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* Returns the current movie position
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*
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\**************************************************************************/
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REFTIME
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CMpegMovie::GetCurrentPosition()
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{
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REFTIME rt = (REFTIME)0;
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HRESULT hr;
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LONGLONG Position;
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// Should we return a media position?
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if(m_Ms != NULL && m_TimeFormat != TIME_FORMAT_MEDIA_TIME)
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{
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hr = m_Ms->GetPositions(&Position, NULL);
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if(SUCCEEDED(hr))
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{
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return double(Position);
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}
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}
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else if(m_Ms != NULL)
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{
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hr = m_Ms->GetPositions(&Position, NULL);
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if(SUCCEEDED(hr))
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{
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return double(Position) / UNITS;
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}
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}
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return rt;
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}
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/*****************************Private*Routine******************************\
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* SeekToPosition
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*
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\**************************************************************************/
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BOOL
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CMpegMovie::SeekToPosition(
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REFTIME rt,
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BOOL bFlushData
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)
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{
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HRESULT hr=S_OK;
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LONGLONG llTime =
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LONGLONG(m_TimeFormat == TIME_FORMAT_MEDIA_TIME ? rt * double(UNITS) : rt);
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if(m_Ms != NULL)
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{
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FILTER_STATE fs;
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m_Mc->GetState(100, (OAFilterState *)&fs);
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hr = m_Ms->SetPositions(&llTime, AM_SEEKING_AbsolutePositioning, NULL, 0);
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// This gets new data through to the renderers
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if(fs == State_Stopped && bFlushData)
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{
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m_Mc->Pause();
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hr = m_Mc->GetState(INFINITE, (OAFilterState *)&fs);
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m_Mc->Stop();
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}
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if(SUCCEEDED(hr))
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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/******************************Public*Routine******************************\
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* SetFullScreenMode
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*
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\**************************************************************************/
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void
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CMpegMovie::SetFullScreenMode(
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BOOL bMode
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)
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{
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if(bMode && m_bFullScreenPoss)
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{
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HRESULT hr = m_pddsPriText->Blt(NULL, m_pddsPrimary,
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NULL, DDBLT_WAIT, NULL);
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if(SUCCEEDED(hr))
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{
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m_iDuration = 30;
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}
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}
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}
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BOOL VerifyVMR(void)
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{
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HRESULT hres;
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// Verify that the VMR exists on this system
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IBaseFilter* pBF = NULL;
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hres = CoCreateInstance(CLSID_VideoMixingRenderer,
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NULL,
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CLSCTX_INPROC,
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IID_IBaseFilter,
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(LPVOID *)&pBF);
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if(SUCCEEDED(hres))
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{
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pBF->Release();
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return TRUE;
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}
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else
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{
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MessageBox(hwndApp,
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TEXT("This application requires the Video Mixing Renderer, which is present\r\n")
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TEXT("only on Windows XP.\r\n\r\n")
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TEXT("The Video Mixing Renderer (VMR) is also not enabled when viewing a \r\n")
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TEXT("remote Windows XP machine through a Remote Desktop session.\r\n")
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TEXT("You can run VMR-enabled applications only on your local machine.")
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TEXT("\r\n\r\nThis sample will now exit."),
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TEXT("Video Mixing Renderer capabilities are required"), MB_OK);
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return FALSE;
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}
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}
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