#include <Windows.h>
#include "mmsystem.h"
#pragma comment(lib, "winmm.lib")

UINT waveInGetNumDevs(VOID);

MMRESULT waveInGetDevCaps( 
 UINT_PTR   uDeviceID, 
 LPWAVEINCAPS pwic,    
 UINT     cbwic    
);
//uDeviceID 音頻輸入設(shè)備標(biāo)識,也可以為一個打開的音頻輸入設(shè)備的句柄.
//  個人認為如果上一步獲得了多個設(shè)備，可以用索引標(biāo)識每一個設(shè)備.
//  
//pwic 對WAVEINCAPS結(jié)構(gòu)體的一個指針,包含設(shè)備的音頻特性.
//
//cbwic WAVEINCAPS結(jié)構(gòu)體的大小,使用sizeof即可.
//
//MMRESULT 函數(shù)執(zhí)行的結(jié)果
//  MMSYSERR_NOERROR 表示執(zhí)行成功
//  MMSYSERR_BADDEVICEID 索引越界 
//  MMSYSERR_NODRIVER 沒有就緒的設(shè)備 
//  MMSYSERR_NOMEM 不能分配或者鎖定內(nèi)存

typedef struct { 
  WORD   wMid;        //音頻設(shè)備制造商定義的驅(qū)動程序標(biāo)識
  WORD   wPid;        //音頻輸入設(shè)備的產(chǎn)品標(biāo)識
  MMVERSION vDriverVersion;    //驅(qū)動程序版本號
  TCHAR   szPname[MAXPNAMELEN];//制造商名稱
  DWORD   dwFormats;      //支持的格式,參見MSDN
  WORD   wChannels;      //支持的聲道數(shù)
  WORD   wReserved1;      //保留參數(shù)
} WAVEINCAPS;

MMRESULT waveInOpen(
 LPHWAVEIN    phwi,        //接收打開的音頻輸入設(shè)備標(biāo)識的HWAVEIN結(jié)構(gòu)的指針
 UINT_PTR    uDeviceID,      //指定一個需要打開的設(shè)備標(biāo)識.可以使用WAVE_MAPPER選擇一個按指定錄音格式錄音的設(shè)備
 LPWAVEFORMATEX pwfx,        //一個所需的格式進行錄音的WAVEFORMATEX結(jié)構(gòu)的指針 
 DWORD_PTR   dwCallback,    //指向一個回調(diào)函數(shù)、事件句柄、窗口句柄、線程標(biāo)識,對錄音事件進行處理.
 DWORD_PTR   dwCallbackInstance, //傳給回調(diào)機制的參數(shù)
 DWORD     fdwOpen      //打開設(shè)備的方法標(biāo)識,指定回調(diào)的類型.參見CSDN
);

typedef struct { 
  WORD wFormatTag;    //波形聲音的格式,單聲道雙聲道使用WAVE_FORMAT_PCM.當(dāng)包含在WAVEFORMATEXTENSIBLE結(jié)構(gòu)中時,使用WAVE_FORMAT_EXTENSIBLE.
  WORD nChannels;    //聲道數(shù)量
  DWORD nSamplesPerSec;  //采樣率.wFormatTag為WAVE_FORMAT_PCM時,有8.0kHz,11.025kHz,22.05kHz,和44.1kHz.
  DWORD nAvgBytesPerSec;  //每秒的采樣字節(jié)數(shù).通過nSamplesPerSec * nChannels * wBitsPerSample / 8計算
  WORD nBlockAlign;    //每次采樣的字節(jié)數(shù).通過nChannels * wBitsPerSample / 8計算
  WORD wBitsPerSample;  //采樣位數(shù).wFormatTag為WAVE_FORMAT_PCM時,為8或者16
  WORD cbSize;      //wFormatTag為WAVE_FORMAT_PCM時,忽略此參數(shù)
} WAVEFORMATEX;

void CALLBACK waveInProc(
 HWAVEIN hwi,     //回調(diào)此函數(shù)的設(shè)備句柄
 UINT uMsg,      //波形聲音輸入信息,標(biāo)識關(guān)閉(WIM_CLOSE)、緩沖區(qū)滿(WIM_DATA)、打開(WIM_OPEN).
 DWORD_PTR dwInstance, //用戶在waveInOpen指定的數(shù)據(jù)
 DWORD_PTR dwParam1,  //(LPWAVEHDR)dwParam1,用戶指定的緩沖區(qū)
 DWORD_PTR dwParam2   
);

MMRESULT waveInPrepareHeader(
 HWAVEIN hwi,  //音頻輸入設(shè)備句柄
 LPWAVEHDR pwh,//指向WAVEHDR結(jié)構(gòu)的指針,標(biāo)識準備的緩沖區(qū)
 UINT cbwh    //WAVEHDR結(jié)構(gòu)的大小,使用sizeof即可
);

typedef struct wavehdr_tag { 
  LPSTR   lpData;     //指向波形格式的緩沖區(qū)
  DWORD   dwBufferLength; //緩沖區(qū)的大小
  DWORD   dwBytesRecorded; //當(dāng)前存儲了多少數(shù)據(jù)
  DWORD_PTR dwUser;     //用戶數(shù)據(jù)
  DWORD   dwFlags;      //為緩沖區(qū)提供的信息,在waveInPrepareHeader函數(shù)中使用WHDR_PREPARED
  DWORD   dwLoops;     //輸出時使用,標(biāo)識      次數(shù)
  struct wavehdr_tag * lpNext;//reserved
  DWORD_PTR reserved;     //reserved
} WAVEHDR, *LPWAVEHDR; 

MMRESULT waveInAddBuffer(
 HWAVEIN hwi, 
 LPWAVEHDR pwh, 
 UINT cbwh 
); 

MMRESULT waveInStart(
 HWAVEIN hwi //設(shè)備句柄
);

MRESULT waveInClose(
 HWAVEIN hwi //設(shè)備句柄
);

//Run.c文件
#include <Windows.h>
#include <stdio.h>
#include "mmsystem.h"
#pragma comment(lib, "winmm.lib")
void PlayMusi();
void WaveInitFormat(LPWAVEFORMATEX m_WaveFormat, WORD nCh,DWORD nSampleRate,WORD BitsPerSample);
DWORD CALLBACK MicCallback(HWAVEIN hwavein, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2);
void RecordWave();

void main()
{
 //PlayMusi();
 RecordWave();
 while(1);
}
void RecordWave()
{
 int count = waveInGetNumDevs();//1
 printf("\n音頻輸入數(shù)量：%d\n",count);

 WAVEINCAPS waveIncaps;
 MMRESULT mmResult = waveInGetDevCaps(0,&waveIncaps,sizeof(WAVEINCAPS));//2
 printf("\n音頻輸入設(shè)備：%s\n",waveIncaps.szPname);

 if(MMSYSERR_NOERROR==mmResult)
 {
 HWAVEIN phwi;
 WAVEFORMATEX pwfx;
 WaveInitFormat(&pwfx,1,8000,8);
 printf("\n請求打開音頻輸入設(shè)備");
 printf("\n采樣參數(shù)：單聲道 8kHz 8bit\n");
 mmResult=waveInOpen(&phwi,WAVE_MAPPER,&pwfx,(DWORD)(MicCallback),NULL,CALLBACK_FUNCTION);//3

 if(MMSYSERR_NOERROR==mmResult)
 {
  WAVEHDR pwh1;
  char buffer1[10240];
  pwh1.lpData=buffer1;
  pwh1.dwBufferLength=10240;
  pwh1.dwUser=1;
  pwh1.dwFlags=0;
  mmResult=waveInPrepareHeader(phwi,&pwh1,sizeof(WAVEHDR));//4
  printf("\n準備緩沖區(qū)1");

  WAVEHDR pwh2;
  char buffer2[10240];
  pwh2.lpData=buffer2;
  pwh2.dwBufferLength=10240;
  pwh2.dwUser=2;
  pwh2.dwFlags=0;
  mmResult=waveInPrepareHeader(phwi,&pwh2,sizeof(WAVEHDR));//4
  printf("\n準備緩沖區(qū)2\n");

  if(MMSYSERR_NOERROR==mmResult)
  {
  mmResult=waveInAddBuffer(phwi,&pwh1,sizeof(WAVEHDR));//5
  printf("\n將緩沖區(qū)1加入音頻輸入設(shè)備");
  mmResult=waveInAddBuffer(phwi,&pwh2,sizeof(WAVEHDR));//5
  printf("\n將緩沖區(qū)2加入音頻輸入設(shè)備\n");

  if(MMSYSERR_NOERROR==mmResult)
  {
   mmResult=waveInStart(phwi);//6
   printf("\n請求開始錄音\n");
  }
  }
 }

 }
}
DWORD CALLBACK MicCallback(HWAVEIN hwavein, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
{
 switch(uMsg) 
 {
 case WIM_OPEN:
  printf("\n設(shè)備已經(jīng)打開...\n");
  break;
 
 case WIM_DATA:
  printf("\n緩沖區(qū)%d存滿...\n",((LPWAVEHDR)dwParam1)->dwUser);
  waveInAddBuffer (hwavein, (LPWAVEHDR)dwParam1, sizeof (WAVEHDR)) ;
  break;
 
 case WIM_CLOSE:
  printf("\n設(shè)備已經(jīng)關(guān)閉...\n");
  break;
 default:
  break;
 }
 return 0;
}
void WaveInitFormat(LPWAVEFORMATEX m_WaveFormat, WORD nCh,DWORD nSampleRate,WORD BitsPerSample)
{
 m_WaveFormat->wFormatTag = WAVE_FORMAT_PCM;
 m_WaveFormat->nChannels = nCh;
 m_WaveFormat->nSamplesPerSec = nSampleRate;
 m_WaveFormat->nAvgBytesPerSec = nSampleRate * nCh * BitsPerSample/8;
 m_WaveFormat->nBlockAlign = m_WaveFormat->nChannels * BitsPerSample/8;
 m_WaveFormat->wBitsPerSample = BitsPerSample;
 m_WaveFormat->cbSize = 0;
}
void PlayMusi()
{
 int error = mciSendString("open C:\\Users\\Angel\\Desktop\\有多少愛可以重來.mp3 alias myDivece", NULL, 0, NULL);
 if (error == 0)
 {
 mciSendString("play myDivece", NULL, 0, NULL); //      
 }
}