吉他调音软件源代码

// FilterDlg.cpp : implementation file // #include "stdafx.h" #include "Filter.h" #include "FilterDlg.h" #include "calculate.h" #include "math.h" #include <windows.h> #include <process.h> #include "speaker.h" #include "FFT.h" using namespace std; //这一句不加上的话没法使用文件操作 #define SAMPLE_RATE 1024*32 //决定信噪比 #define BITS 16 #define BUFFERSIZE 1024*64 //决定能检测到的最大频率分量 #define LIMIT 1000000 //这个与乐器离mic的距离有关 int WINAPI GetSpeakerDataFun(bool result,char *buffer, int buf_len); void display(void* ptr); //bool FLAG=false; #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif double *t,*f; int num=0,delta=0; const int tune[11]={262,294,330,349,392,440,494,523,587,659,698}; const int edge[11]={246,278,312,339,370,416,467,508,555,623,678}; bool VALID=false,DISPLAY_ON=false,PROCESS_ON=false; //前者是处理进程的标志，后者是显示进程的标志 HANDLE display_thread=NULL; HANDLE process_thread=NULL; unsigned int WINAPI pickVoice(void *){ CSpeaker _speaker; //设置采样 _speaker.SetSpeakerFormat(SAMPLE_RATE, BITS, 1); //单声道、采样频率为16000、每个样本用16bit量化 //设置录音回调函数 _speaker.SetSpeakerBufferCallBack((PFN_SpeakerBufferCallBack)GetSpeakerDataFun); //开始录音 char err_msg[100]; memset(err_msg, 0, sizeof(err_msg)); if (0 != (_speaker.StartSpeaker(BUFFERSIZE, err_msg, 100))){ std::cout<<"open failure!"<<std::endl; }else{ std::cout<<"open succeed!"<<std::endl; } while(1); _speaker.StopSpeaker(); return 5; } int WINAPI GetSpeakerDataFun(bool result, char *buffer, int buf_len){ //系统调用的函数需要使用WINAPI来声明，因为系统调用的函数结构和用户自己编写的函数结构是不一样的 //经过测量噪声容限设置为100000； bool flag=false,flag1=false; long int up=0,down=0,frequence=0,k=0; FFT test=FFT((char*)buffer,BUFFERSIZE/2,SHORT,2); //这个地方的length容易悲剧 test.random_base_t(); short int *ptr=(short int *)buffer; num=0; for(int i=0;i<500;i++){ //这个地方需要加入选择项，通过选择八度级别来限定带通滤波器的范围 if(test.current[i+250].abs()>=LIMIT){ if((!flag)&&(!flag1)){ //上升沿下降沿都没找到 flag=true; //声明上升沿已经找到 up=i+250; down=i+250; }else if(flag&&(!flag1)){ //上升沿已经找到,但是下降沿没找到 down=(i+250)*(up!=0); //更新下降沿 } }else if(flag) //上升沿已经找到但是下降沿不在更新 flag1=true; //下降沿已经找到 } VALID=((up+down)/2>0); if(VALID){ //有效 DISPLAY_ON=true; frequence=(up+down)/2; for(k=0;k<11;k++){ if(k==0){ if(frequence<edge[0]){ num=0; break; } else if(frequence<edge[1]){ num=1; break; } }else{ if(frequence<edge[k+1]){ num=k+1; break; } } } delta=frequence-tune[num-1]; ResumeThread(display_thread); //唤醒显示进程 if(PROCESS_ON){ //显示开启 for(int i=0;i<500;i++){ //这个地方需要加入选择项，通过选择八度级别来限定带通滤波器的范围 f[i]=-(test.current[i+240].abs()+test.current[i+241].abs())/1000000; t[i]=((double)(ptr[i/2+2000]+ptr[i/2+2001]))/2000; } }else{ return 2; } }else{ //无效 return 1; } return 0; } ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFilterDlg dialog CFilterDlg::CFilterDlg(CWnd* pParent /*=NULL*/) : CDialog(CFilterDlg::IDD, pParent) { //{{AFX_DATA_INIT(CFilterDlg) //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CFilterDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CFilterDlg) //***************************************************************** //在这里设置图形和对象的映射关系 DDX_Control(pDX, IDC_EDIT3, m_Edit3); DDX_Control(pDX, IDC_EDIT2, m_Edit2); DDX_Control(pDX, IDC_EDIT1, m_ZoominEdit); DDX_Control(pDX, IDC_SPIN1, m_ZoominSpin); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CFilterDlg, CDialog) //{{AFX_MSG_MAP(CFilterDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() //开启绘图函数 ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_WAV1, OnWav1) //在这里设置响应函数，但是静态文本应该没有什么好响应的********************************** ON_EN_UPDATE(IDC_EDIT1, OnUpdateEdit1) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFilterDlg message handlers BOOL CFilterDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon /////////////////////////初始化///////////////////// CEdit* zoomin_edit=(CEdit*)GetDlgItem(IDC_EDIT1); m_ZoominSpin.SetBuddy(zoomin_edit); m_ZoominSpin.SetRange(1,200); m_ZoominSpin.SetPos(10); m_Zoomin=10; //******************************************************************* //在这里对图形对象进行初始化设置 DataSuccess=false; // TODO: Add extra initialization here ShowWindow(SW_MAXIMIZE); t=y2; f=y; display_thread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)display,this,0,NULL); SuspendThread(display_thread); process_thread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)pickVoice,NULL,0,NULL); return TRUE; // return TRUE unless you set the focus to a control } void CFilterDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void display(void* ptr){ CFilterDlg* tmp=(CFilterDlg *)ptr; tmp->CalWav1(); } void CFilterDlg::OnWav1() { PROCESS_ON=!PROCESS_ON; CButton* button=(CButton*)GetDlgItem(IDC_WAV1); if(PROCESS_ON){ button->SetWindowTextA("关闭"); }else{ button->SetWindowTextA("开启"); } } void CFilterDlg::CalWav1() { while(1){ if(PROCESS_ON&&DISPLAY_ON){ CRect rect(20,50,520,530); //这个是时域图的窗口大小 InvalidateRect(rect); //这个函数的本质就是是这个矩形区域变为可视区域 CString tmp; switch(num){ case 0: