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126 lines
3.2 KiB
126 lines
3.2 KiB
// Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
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#include <windows.h>
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#include <stdio.h>
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#include "ddraw.h"
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#include "mmstream.h"
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#include "amstream.h"
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#include "ddstream.h"
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#define RELEASE(x) if (x) (x)->Release();
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#define CHECK_ERROR(x) \
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if (FAILED(hr = (x))) { \
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printf(#x " failed with HRESULT(0x%8.8X)\n", hr); \
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goto Exit; \
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}
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HRESULT OpenMMStream(const char * pszFileName, IDirectDraw *pDD, IMultiMediaStream **ppMMStream)
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{
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*ppMMStream = NULL;
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IAMMultiMediaStream *pAMStream;
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HRESULT hr;
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CHECK_ERROR(CoCreateInstance(CLSID_AMMultiMediaStream, NULL, CLSCTX_INPROC_SERVER,
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IID_IAMMultiMediaStream, (void **)&pAMStream));
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CHECK_ERROR(pAMStream->Initialize(STREAMTYPE_READ, 0, NULL));
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CHECK_ERROR(pAMStream->AddMediaStream(pDD, &MSPID_PrimaryVideo, 0, NULL));
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CHECK_ERROR(pAMStream->AddMediaStream(NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL));
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WCHAR wPath[MAX_PATH];
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MultiByteToWideChar(CP_ACP, 0, pszFileName, -1, wPath, sizeof(wPath)/sizeof(wPath[0]));
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CHECK_ERROR(pAMStream->OpenFile(wPath, 0));
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*ppMMStream = pAMStream;
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pAMStream->AddRef();
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Exit:
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if (pAMStream == NULL) {
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printf("Could not create a CLSID_MultiMediaStream object\n"
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"Check you have run regsvr32 amstream.dll\n");
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}
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RELEASE(pAMStream);
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return hr;
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}
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HRESULT RenderStreamToSurface(IDirectDraw *pDD, IDirectDrawSurface *pPrimary,
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IMultiMediaStream *pMMStream)
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{
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HRESULT hr;
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IMediaStream *pPrimaryVidStream = NULL;
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IDirectDrawMediaStream *pDDStream = NULL;
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IDirectDrawSurface *pSurface = NULL;
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IDirectDrawStreamSample *pSample = NULL;
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RECT rect;
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CHECK_ERROR(pMMStream->GetMediaStream(MSPID_PrimaryVideo, &pPrimaryVidStream));
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CHECK_ERROR(pPrimaryVidStream->QueryInterface(IID_IDirectDrawMediaStream, (void **)&pDDStream));
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CHECK_ERROR(pDDStream->CreateSample(NULL, NULL, 0, &pSample));
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CHECK_ERROR(pSample->GetSurface(&pSurface, &rect));
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CHECK_ERROR(pMMStream->SetState(STREAMSTATE_RUN));
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while (true) {
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if (pSample->Update(0, NULL, NULL, 0) != S_OK) {
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break;
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}
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pPrimary->Blt(&rect, pSurface, &rect, DDBLT_WAIT, NULL);
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}
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Exit:
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RELEASE(pPrimaryVidStream);
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RELEASE(pDDStream);
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RELEASE(pSample);
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RELEASE(pSurface);
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return hr;
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}
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int _CRTAPI1
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main(
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int argc,
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char *argv[]
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)
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{
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if (argc < 2) {
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printf("Usage : simple movie.ext\n");
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exit(0);
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}
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CoInitialize(NULL);
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IDirectDraw *pDD;
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HRESULT hr = DirectDrawCreate(NULL, &pDD, NULL);
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if (SUCCEEDED(hr)) {
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DDSURFACEDESC ddsd;
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IDirectDrawSurface *pPrimarySurface;
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pDD->SetCooperativeLevel(GetDesktopWindow(), DDSCL_NORMAL);
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ddsd.dwSize = sizeof(ddsd);
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ddsd.dwFlags = DDSD_CAPS;
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ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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hr = pDD->CreateSurface(&ddsd, &pPrimarySurface, NULL);
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if (SUCCEEDED(hr)) {
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IMultiMediaStream *pMMStream;
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hr = OpenMMStream(argv[1], pDD, &pMMStream);
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if (SUCCEEDED(hr)) {
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RenderStreamToSurface(pDD, pPrimarySurface, pMMStream);
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pMMStream->Release();
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}
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pPrimarySurface->Release();
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}
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pDD->Release();
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} else {
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printf("Could not open DirectDraw - check it is installed\n");
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}
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CoUninitialize();
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return 0;
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}
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