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#include <windows.h>
#include <DShow.h>
#include "Resource.h"
IGraphBuilder* g_pGraph;
IMediaControl* g_pControl;
IBasicAudio* g_pBasicAudio;
IMediaSeeking* g_pSeeking;
char* g_pcFileName="Music.MP3";
HRESULT InitMusic()
{
if (FAILED(CoCreateInstance(CLSID_FilterGraph,NULL,CLSCTX_INPROC,IID_IGraphBuilder,
(void**)&g_pGraph)))
{
return E_FAIL;
}
WCHAR g_awcFileName[256];
MultiByteToWideChar(CP_ACP,0,"Sound.WAV",-1,g_awcFileName,256);
if(FAILED(g_pGraph->RenderFile(g_awcFileName, NULL)))
{
return E_FAIL;
}
g_pGraph->QueryInterface(IID_IMediaControl,(void**)(&g_pControl));
g_pGraph->QueryInterface(IID_IMediaSeeking,(void**)(&g_pSeeking));
g_pGraph->QueryInterface(IID_IBasicAudio,(void**)(&g_pBasicAudio));
if (!g_pControl || !g_pBasicAudio || !g_pSeeking) return E_FAIL;
g_pSeeking->SetTimeFormat(&TIME_FORMAT_MEDIA_TIME);
return S_OK;
}
BOOL CALLBACK DlgProc(HWND hWnd,UINT uiMsg,WPARAM wParam,LPARAM lParam)
{
switch(uiMsg)
{
case WM_INITDIALOG: InitMusic();
break;
case WM_ACTIVATE: LONGLONG llPos;
llPos=0;
/*if (FAILED(g_pSeeking->SetPositions(&llPos,
AM_SEEKING_AbsolutePositioning,
NULL, AM_SEEKING_NoPositioning)))
{
MessageBox(NULL,"a",NULL,NULL);
}*/
if (FAILED(g_pControl->Run()))
{
MessageBox(NULL,NULL,NULL,NULL);
}
break;
case WM_COMMAND: switch(wParam)
{
case IDOK: if (g_pGraph!=NULL) g_pGraph->Release();
if (g_pControl!=NULL) g_pControl->Release();
if (g_pBasicAudio!=NULL) g_pBasicAudio->Release();
if (g_pSeeking!=NULL) g_pSeeking->Release();
EndDialog(hWnd,0);
break;
case IDC_PLAY:
break;
}
break;
default: return FALSE;
}
return TRUE;
}
int WINAPI WinMain(HINSTANCE hInst,HINSTANCE,LPSTR,int)
{
DialogBox(hInst,MAKEINTRESOURCE(IDD_DIALOG),NULL,(DLGPROC)DlgProc);
return 0;
}
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