vc声卡输出声音录制

Question

HOOK API 的方式 Skype录音答录机编程思路和代码

Answer 1

就是要实现类似Total Recorder的录音功能呀。

Answer 2

在《Microsoft DirectX 9.0 SDK (October 2005)\Samples\C++\DirectSound\CaptureSound》中有源码。

Answer 3

那个还是录制麦克风声音的.我要的是录制声卡输出的声音.类似Total Recorder录音功能

Answer 4

上面已经写得很清楚了 Hook_waveOutWrite

Answer 5

     case MM_WIM_OPEN:
               // Shrink down the save buffer
          
          pSaveBuffer = realloc (pSaveBuffer, 1) ;
          
               // Enable and disable Buttons
          
          EnableWindow (GetDlgItem (hwnd, IDC_RECORD_BEG), FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_RECORD_END), TRUE)  ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_BEG),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_PAUSE), FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_END),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_REV),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_REP),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_SPEED), FALSE) ;
          SetFocus (GetDlgItem (hwnd, IDC_RECORD_END)) ;               // Add the buffers
          
          waveInAddBuffer (hWaveIn, pWaveHdr1, sizeof (WAVEHDR)) ;
          waveInAddBuffer (hWaveIn, pWaveHdr2, sizeof (WAVEHDR)) ;
          
               // Begin sampling
          
          bRecording = TRUE ;
          bEnding = FALSE ;
          dwDataLength = 0 ;
          waveInStart (hWaveIn) ;
          return TRUE ;
          
     case MM_WIM_DATA:
         
               // Reallocate save buffer memory
          
          pNewBuffer = realloc (pSaveBuffer, dwDataLength +
                                   ((PWAVEHDR) lParam)->dwBytesRecorded) ;
          
          if (pNewBuffer == NULL)
          {
               waveInClose (hWaveIn) ;
               MessageBeep (MB_ICONEXCLAMATION) ;
               MessageBox (hwnd, szMemError, szAppName,
                                 MB_ICONEXCLAMATION | MB_OK) ;
               return TRUE ;
          }
          
          pSaveBuffer = pNewBuffer ;
          CopyMemory (pSaveBuffer + dwDataLength, ((PWAVEHDR) lParam)->lpData,
                         ((PWAVEHDR) lParam)->dwBytesRecorded) ;
          
          dwDataLength += ((PWAVEHDR) lParam)->dwBytesRecorded ;
          
          if (bEnding)
          {
               waveInClose (hWaveIn) ;
               return TRUE ;
          }
          
               // Send out a new buffer
          
          waveInAddBuffer (hWaveIn, (PWAVEHDR) lParam, sizeof (WAVEHDR)) ;
          return TRUE ;

Answer 6

     case MM_WOM_OPEN:
               // Enable and disable buttons
          
          EnableWindow (GetDlgItem (hwnd, IDC_RECORD_BEG), FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_RECORD_END), FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_BEG),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_PAUSE), TRUE)  ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_END),   TRUE)  ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_REP),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_REV),   FALSE) ;
          EnableWindow (GetDlgItem (hwnd, IDC_PLAY_SPEED), FALSE) ;
          SetFocus (GetDlgItem (hwnd, IDC_PLAY_END)) ;
          
               // Set up header
          
          pWaveHdr1->lpData          = pSaveBuffer ;
          pWaveHdr1->dwBufferLength  = dwDataLength ;
          pWaveHdr1->dwBytesRecorded = 0 ;
          pWaveHdr1->dwUser          = 0 ;
          pWaveHdr1->dwFlags         = WHDR_BEGINLOOP | WHDR_ENDLOOP ;
          pWaveHdr1->dwLoops         = dwRepetitions ;
          pWaveHdr1->lpNext          = NULL ;
          pWaveHdr1->reserved        = 0 ;
          
               // Prepare and write
          
          waveOutPrepareHeader (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
          waveOutWrite (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
          
          bEnding = FALSE ;
          bPlaying = TRUE ;
          return TRUE ;

Answer 7

Windows程序设计Code\Chap22\Record1
Windows程序设计Code\Chap22\Record2
Windows程序设计Code\Chap22\Record3