126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
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// Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
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#define INIT_GUID
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#define INTTGUIDS
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#define INITGUID
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#define INIT_GUIDS
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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) if (FAILED(hr = (x))) goto Exit;
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HRESULT RenderFileToMMStream(const char * pszFileName, IMultiMediaStream **ppMMStream, IDirectDraw *pDD)
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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, 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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// CHECK_ERROR(pAMStream->SetState(STREAMSTATE_RUN));
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*ppMMStream = pAMStream;
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pAMStream->AddRef();
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Exit:
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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, 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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CHECK_ERROR(pMMStream->GetMediaStream(MSPID_PrimaryVideo, &pPrimaryVidStream));
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CHECK_ERROR(pPrimaryVidStream->QueryInterface(IID_IDirectDrawMediaStream, (void **)&pDDStream));
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DDSURFACEDESC ddsd;
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ddsd.dwSize = sizeof(ddsd);
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CHECK_ERROR(pDDStream->GetFormat(&ddsd, NULL, NULL));
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RECT rect;
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rect.top = rect.left = 0;
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rect.bottom = ddsd.dwHeight;
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rect.right = ddsd.dwWidth;
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CHECK_ERROR(pDD->CreateSurface(&ddsd, &pSurface, NULL));
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CHECK_ERROR(pDDStream->CreateSample(pSurface, NULL, 0, &pSample));
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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 : mmtest foo.bar\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 = RenderFileToMMStream(argv[1], &pMMStream, pDD);
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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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}
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CoUninitialize();
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return 0;
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}
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