// Dsound.cpp : Defines the entry point for the application.//#include "stdafx.h"#include "resource.h"#define MAX_LOADSTRING 100// Global Variables:HINSTANCE hInst;// current instanceTCHAR szTitle[MAX_LOADSTRING];// The title bar textTCHAR szWindowClass[MAX_LOADSTRING];// The title bar text// Foward declarations of functions included in this code module:ATOMMyRegisterClass(HINSTANCE hInstance);BOOLInitInstance(HINSTANCE, int);LRESULT CALLBACKWndProc(HWND, UINT, WPARAM, LPARAM);LRESULT CALLBACKAbout(HWND, UINT, WPARAM, LPARAM);int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){ // TODO: Place code here.MSG msg;HACCEL hAccelTable;// Initialize global stringsLoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);LoadString(hInstance, IDC_DSOUND, szWindowClass, MAX_LOADSTRING);MyRegisterClass(hInstance);// Perform application initialization:if (!InitInstance (hInstance, nCmdShow)) {return FALSE;}hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_DSOUND);// Main message loop:while (GetMessage(&msg, NULL, 0, 0)) {if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) {TranslateMessage(&msg);DispatchMessage(&msg);}}return msg.wParam;}//// FUNCTION: MyRegisterClass()//// PURPOSE: Registers the window class.//// COMMENTS://// This function and its usage is only necessary if you want this code// to be compatible with Win32 systems prior to the 'RegisterClassEx'// function that was added to Windows 95. It is important to call this function// so that the application will get 'well formed' small icons associated// with it.//ATOM MyRegisterClass(HINSTANCE hInstance){WNDCLASSEX wcex;wcex.cbSize = sizeof(WNDCLASSEX); wcex.style= CS_HREDRAW | CS_VREDRAW;wcex.lpfnWndProc= (WNDPROC)WndProc;wcex.cbClsExtra= 0;wcex.cbWndExtra= 0;wcex.hInstance= hInstance;wcex.hIcon= LoadIcon(hInstance, (LPCTSTR)IDI_DSOUND);wcex.hCursor= LoadCursor(NULL, IDC_ARROW);wcex.hbrBackground= (HBRUSH)(COLOR_WINDOW+1);wcex.lpszMenuName= (LPCSTR)IDC_DSOUND;wcex.lpszClassName= szWindowClass;wcex.hIconSm= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);return RegisterClassEx(&wcex);}//// FUNCTION: InitInstance(HANDLE, int)//// PURPOSE: Saves instance handle and creates main window//// COMMENTS://// In this function, we save the instance handle in a global variable and// create and display the main program window.//BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){ HWND hWnd; hInst = hInstance; // Store instance handle in our global variable hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if (!hWnd) { return FALSE; } ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); return TRUE;}#include <mmsystem.h>#include <dsound.h>#pragma comment(lib,"Dsound.lib")#pragma comment(lib,"Winmm.lib")LPDIRECTSOUND pDS; LPDIRECTSOUNDBUFFER pPBuf;LPDIRECTSOUNDBUFFER pSBuf[2]; WAVEFORMATEX pwfmt; WAVEFORMATEX swfmt; DSBUFFERDESC dsdesc; MMCKINFO ckRiff; MMCKINFO ckInfo;MMRESULT mmresult;HMMIO hmmio; DWORD size; LPVOID pAudio;DWORD bytesAudio;HRESULT result;LPDIRECTSOUNDBUFFER createbuffer(HWND hWnd,char *filename){LPDIRECTSOUNDBUFFER buf;hmmio = mmioOpen(filename, NULL, MMIO_ALLOCBUF|MMIO_READ );if(hmmio == NULL) MessageBox(hWnd,"","Error",MB_OK);ckRiff.fccType = mmioFOURCC('W', 'A', 'V', 'E');mmresult = mmioDescend(hmmio,&ckRiff,NULL,MMIO_FINDRIFF);if(mmresult != MMSYSERR_NOERROR)MessageBox(hWnd,"","Error",MB_OK);ckInfo.ckid = mmioFOURCC('f','m','t',' '); mmresult = mmioDescend(hmmio,&ckInfo,&ckRiff,MMIO_FINDCHUNK);if(mmresult != MMSYSERR_NOERROR)MessageBox(hWnd,"","Error",MB_OK);if(mmioRead(hmmio,(HPSTR)&swfmt,sizeof(swfmt)) == -1) MessageBox(hWnd,"","Error",MB_OK);mmresult = mmioAscend(hmmio,&ckInfo,0); ckInfo.ckid = mmioFOURCC('d','a','t','a');mmresult = mmioDescend(hmmio,&ckInfo,&ckRiff,MMIO_FINDCHUNK);if(mmresult != MMSYSERR_NOERROR)MessageBox(hWnd,"","Error",MB_OK);size = ckInfo.cksize;memset( &dsdesc,0,sizeof(dsdesc)); dsdesc.dwSize = sizeof(dsdesc); dsdesc.dwFlags = DSBCAPS_STATIC |DSBCAPS_CTRLPAN |DSBCAPS_CTRLVOLUME| DSBCAPS_GLOBALFOCUS; dsdesc.dwBufferBytes = size; dsdesc.lpwfxFormat = &swfmt; result = pDS->CreateSoundBuffer( &dsdesc, &buf, NULL );if(result != DS_OK)MessageBox(hWnd,"","Error",MB_OK);result = buf->Lock(0,size,&pAudio,&bytesAudio,NULL,NULL,NULL);if(result != DS_OK)MessageBox(hWnd,"","Error",MB_OK);mmresult = mmioRead(hmmio,(HPSTR)pAudio,bytesAudio);if(mmresult == -1)MessageBox(hWnd,"","Error",MB_OK);result = buf->Unlock(pAudio,bytesAudio,NULL,NULL);if(result != DS_OK)MessageBox(hWnd,"","Error",MB_OK);mmioClose(hmmio,0); return buf;}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){int wmId, wmEvent;PAINTSTRUCT ps;HDC hdc;TCHAR szHello[MAX_LOADSTRING];LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);HRESULT result;switch (message) {case WM_LBUTTONDOWN:result = DirectSoundCreate( NULL, &pDS, NULL ); if(result != DS_OK) MessageBox(hWnd,"","Error",MB_OK);result = pDS->SetCooperativeLevel(hWnd, DSSCL_PRIORITY );if(result != DS_OK) MessageBox(hWnd,"","Error",MB_OK);pSBuf[0] = createbuffer(hWnd,"bground.wav");pSBuf[1] = createbuffer(hWnd,"foot.wav");pSBuf[0]->Play(0,0,1);pSBuf[1]->Play(0,0,1);break;case WM_COMMAND:wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); // Parse the menu selections:switch (wmId){case IDM_ABOUT: DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About); break;case IDM_EXIT: DestroyWindow(hWnd); break;default: return DefWindowProc(hWnd, message, wParam, lParam);}break;case WM_PAINT:hdc = BeginPaint(hWnd, &ps);// TODO: Add any drawing code here...RECT rt;GetClientRect(hWnd, &rt);DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER);EndPaint(hWnd, &ps);break;case WM_DESTROY:PostQuitMessage(0);break;default:return DefWindowProc(hWnd, message, wParam, lParam); } return 0;}// Mesage handler for about box.LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){switch (message){case WM_INITDIALOG:return TRUE;case WM_COMMAND:if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) {EndDialog(hDlg, LOWORD(wParam));return TRUE;}break;} return FALSE;}
