76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
|
// File: mixer.h
|
||
|
|
|
||
|
|
#ifndef _MIXER_H_
|
||
|
|
#define _MIXER_H_
|
||
|
|
|
||
|
|
typedef struct tagMixLVolume
|
||
|
|
{
|
||
|
|
DWORD leftVolume;
|
||
|
|
DWORD rightVolume;
|
||
|
|
}MIXVOLUME;
|
||
|
|
|
||
|
|
void NewMixVolume(MIXVOLUME* lpMixVolDest, const MIXVOLUME& mixVolSource, DWORD dwNewVolume);
|
||
|
|
|
||
|
|
typedef struct tagMixLine
|
||
|
|
{
|
||
|
|
UINT ucChannels;
|
||
|
|
BOOL fIdValid;
|
||
|
|
DWORD dwControlId;
|
||
|
|
|
||
|
|
DWORD dwLineId; // line ID of destination
|
||
|
|
DWORD dwCompType; // Component type
|
||
|
|
DWORD dwConnections; // number of sources associated with this line
|
||
|
|
|
||
|
|
DWORD dwControls; // number of sub controls (such as AGC) associated with this line
|
||
|
|
BOOL fAgcAvailable;
|
||
|
|
DWORD dwAGCID;
|
||
|
|
} MIXLINE;
|
||
|
|
|
||
|
|
class CMixerDevice
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
HMIXER m_hMixer;
|
||
|
|
MIXERCAPS m_mixerCaps;
|
||
|
|
MIXLINE m_DstLine;
|
||
|
|
MIXLINE m_SrcLine;
|
||
|
|
|
||
|
|
BOOL Init( HWND hWnd, UINT uWaveDevId, DWORD dwFlags);
|
||
|
|
|
||
|
|
BOOL DetectAGC();
|
||
|
|
|
||
|
|
|
||
|
|
protected:
|
||
|
|
CMixerDevice()
|
||
|
|
{
|
||
|
|
m_hMixer = NULL;
|
||
|
|
ZeroMemory (&m_DstLine, sizeof(m_DstLine));
|
||
|
|
ZeroMemory (&m_SrcLine, sizeof(m_SrcLine));
|
||
|
|
}
|
||
|
|
|
||
|
|
public:
|
||
|
|
~CMixerDevice()
|
||
|
|
{
|
||
|
|
if (NULL != m_hMixer)
|
||
|
|
{
|
||
|
|
mixerClose(m_hMixer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL SetVolume (MIXVOLUME * pdwVolume);
|
||
|
|
BOOL CanSetVolume () { return m_DstLine.fIdValid || m_SrcLine.fIdValid; }
|
||
|
|
BOOL SetMainVolume(MIXVOLUME * pdwVolume);
|
||
|
|
BOOL SetSubVolume(MIXVOLUME * pdwVolume);
|
||
|
|
BOOL SetAGC(BOOL fOn);
|
||
|
|
BOOL GetMainVolume(MIXVOLUME * pdwVolume);
|
||
|
|
BOOL GetSubVolume(MIXVOLUME * pdwVolume);
|
||
|
|
BOOL GetVolume(MIXVOLUME * pdwVolume);
|
||
|
|
BOOL GetAGC(BOOL *pfOn);
|
||
|
|
BOOL EnableMicrophone();
|
||
|
|
BOOL UnMuteVolume();
|
||
|
|
|
||
|
|
static CMixerDevice* GetMixerForWaveDevice( HWND hWnd, UINT uWaveDevId, DWORD dwFlags);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|