打开或者关闭麦克风的静音设置？怎么通过程序实现？谢谢~~~~~~

[zy1028]

打开或者关闭麦克风的静音设置？怎么通过程序实现？谢谢~~~~~~

[ccrun.com]

// 允许/禁止麦克风静音
// 63 63 72 75 6E 2E 63 6F 6D

#include <mmsystem.h>

bool SetMicrophoneVolumeMute(bool bMute)
{
HMIXER hMixer;
MIXERLINECONTROLS mxlc;
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_UNSIGNED vol;
MIXERCONTROL mxc;
MIXERLINE mxl;
MIXERCONTROLDETAILS_BOOLEAN mcdb;

// Check if Mixer is available
int nMixerDevs = mixerGetNumDevs();
if(nMixerDevs < 1)
return false;
bool bRet = false;
// open the mixer
UINT uRet = mixerOpen(&hMixer, 0, 0, 0, 0);
if(uRet == MMSYSERR_NOERROR)
{
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
mxl.cbStruct = sizeof(mxl);
// mixerline info
uRet = mixerGetLineInfo(hMixer, &mxl, MIXER_GETLINEINFOF_COMPONENTTYPE);
if(uRet == MMSYSERR_NOERROR)
{
ZeroMemory(&mxlc, sizeof(mxlc));
mxlc.cbStruct = sizeof(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = MIXERCONTROL_CONTROLTYPE_MUTE;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(mxc);
mxlc.pamxctrl = &mxc;
// Get the mute control
uRet = mixerGetLineControls(hMixer, &mxlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(uRet == MMSYSERR_NOERROR)
{
ZeroMemory(&mxcd, sizeof(mxcd));
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = mxc.dwControlID;
mxcd.cChannels = 1;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = &mcdb;
mcdb.fValue = bMute;
// set, unset mute
uRet = mixerSetControlDetails(
hMixer, &mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
// mixerGetControlDetails(hMixer, &mxcd,
// MIXER_GETCONTROLDETAILSF_VALUE);
// Result = Boolean(mcdMute.fValue);
bRet = uRet == MMSYSERR_NOERROR;
}
else
ShowMessage("GetLineInfo Error");
}
uRet = mixerClose(hMixer);
}
return bRet;
}

// 使用举例：
// SetMicrophoneVolumeMute(false);

[constantine]

#include <mmsystem.h>
#include <mmreg.h>
bool GetVolumeControl(HMIXER hmixer ,long componentType,long ctrlType,MIXERCONTROL* mxc)
{
MIXERLINECONTROLS mxlc;
MIXERLINE mxl;
mxl.cbStruct = sizeof(mxl);
mxl.dwComponentType = componentType;
if(!mixerGetLineInfo((HMIXEROBJ)hmixer, &mxl, MIXER_GETLINEINFOF_COMPONENTTYPE))
{
mxlc.cbStruct = sizeof(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = ctrlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = mxc;
if(mixerGetLineControls((HMIXEROBJ)hmixer,&mxlc,MIXER_GETLINECONTROLSF_ONEBYTYPE))
return 0;
else
return 1;
}
return 0;
}
//---------------------------------------------------------------------------
long GetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc)
{
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_BOOLEAN mxcdMute;
mxcd.hwndOwner = 0;
mxcd.cbStruct = sizeof(mxcd);
mxcd.dwControlID = mxc->dwControlID;
mxcd.cbDetails = sizeof(mxcdMute);
mxcd.paDetails = &mxcdMute;
mxcd.cChannels = 1;
mxcd.cMultipleItems = 0;
if (mixerGetControlDetails((HMIXEROBJ)hmixer, &mxcd,MIXER_OBJECTF_HMIXER|MIXER_GETCONTROLDETAILSF_VALUE))
return -1;
return mxcdMute.fValue;
}

//---------------------------------------------------------------------------
unsigned GetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc)
{
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_UNSIGNED vol; vol.dwValue=0;
mxcd.hwndOwner = 0;
mxcd.cbStruct = sizeof(mxcd);
mxcd.dwControlID = mxc->dwControlID;
mxcd.cbDetails = sizeof(vol);
mxcd.paDetails = &vol;
mxcd.cChannels = 1;
if(mixerGetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_GETCONTROLDETAILSF_VALUE))
return -1;
return vol.dwValue;
}

//---------------------------------------------------------------------------
bool SetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc, bool mute)
{
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_BOOLEAN mxcdMute;mxcdMute.fValue=mute;
mxcd.hwndOwner = 0;
mxcd.dwControlID = mxc->dwControlID;
mxcd.cbStruct = sizeof(mxcd);
mxcd.cbDetails = sizeof(mxcdMute);
mxcd.paDetails = &mxcdMute;
mxcd.cChannels = 1;
mxcd.cMultipleItems = 0;
if (mixerSetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_SETCONTROLDETAILSF_VALUE))
return 0;
return 1;
}

//---------------------------------------------------------------------------

bool SetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc, long volume)
{
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_UNSIGNED vol;vol.dwValue = volume;
mxcd.hwndOwner = 0;
mxcd.dwControlID = mxc->dwControlID;
mxcd.cbStruct = sizeof(mxcd);
mxcd.cbDetails = sizeof(vol);
mxcd.paDetails = &vol;
mxcd.cChannels = 1;
if(mixerSetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_SETCONTROLDETAILSF_VALUE))
return 0;
return 1;
}


//---------------------------------------------------------------------------
unsigned WINAPI GetVolume(int dev)//µÃµ½É豸µÄÒôÁ¿dev=0Ö÷ÒôÁ¿£¬1WAVE ,2MIDI ,3 LINE IN
{

long device;unsigned rt=0;
MIXERCONTROL volCtrl;
HMIXER hmixer;
switch (dev)
{
case 1:
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;
case 2:
device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
case 3:
// device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break; // cd ÒôÁ¿
// device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE; break; //Âó¿Ë·çÒôÁ¿
// device=MIXERLINE_COMPONENTTYPE_SRC_LINE; break; //PC ÑïÉùÆ÷ÒôÁ¿
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
case 4:
device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;break;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}

if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(!GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
return 0;
rt=GetVolumeValue(hmixer,&volCtrl)*100/volCtrl.Bounds.lMaximum;
mixerClose(hmixer);
return rt;

}

//---------------------------------------------------------------------------

[constantine]

bool WINAPI SetVolume(long dev,long vol)//ÉèÖÃÉ豸µÄÒôÁ¿
{
// dev =0,1,2 ·Ö±ð±íʾÖ÷ÒôÁ¿,²¨ÐÎ,MIDI ,LINE IN
// vol=0-100 ±íʾÒôÁ¿µÄ´óС , ÉèÖÃÓë·µ»ØÒôÁ¿µÄÖµÓõÄÊǰٷֱȣ¬¼´ÒôÁ¿´Ó0 - 100£¬¶ø²»ÊÇÉ豸µÄ¾ø¶ÔÖµ
// retrun false ±íʾÉèÖÃÒôÁ¿µÄ´óСµÄ²Ù×÷²»³É¹¦
// retrun true ±íʾÉèÖÃÒôÁ¿µÄ´óСµÄ²Ù×÷³É¹¦

long device;
bool rc=false;
MIXERCONTROL volCtrl;
HMIXER hmixer;
switch (dev)
{
case 1:
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;
case 2:
device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
case 3:
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
case 4:
device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;break;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}

if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;

if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
{
vol=vol*volCtrl.Bounds.lMaximum/100;
if(SetVolumeValue(hmixer,&volCtrl,vol))
rc=true;
}
mixerClose(hmixer);
return rc;
}

//---------------------------------------------------------------------------

bool WINAPI SetMute(long dev,bool vol)//ÉèÖÃÉ豸¾²Òô
{
// dev =0,1,2 ·Ö±ð±íʾÖ÷ÒôÁ¿,²¨ÐÎ,MIDI ,LINE IN
// vol=0,1 ·Ö±ð±íʾȡÏû¾²Òô,ÉèÖþ²Òô
// retrun false ±íʾȡÏû»òÉèÖþ²Òô²Ù×÷²»³É¹¦
// retrun true ±íʾȡÏû»òÉèÖþ²Òô²Ù×÷³É¹¦

long device;
bool rc=false;
MIXERCONTROL volCtrl;
HMIXER hmixer;
switch (dev)
{
case 1:
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;
case 2:
device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
case 3:
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
case 4:
device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;break;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}

if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl))
if(SetMuteValue(hmixer,&volCtrl,(bool)vol))
rc=true;
mixerClose(hmixer);
return rc;
}

//---------------------------------------------------------------------------

bool WINAPI GetMute(long dev)//¼ì²éÉ豸ÊÇ·ñ¾²Òô
{
//dev =0,1,2 ·Ö±ð±íʾÖ÷ÒôÁ¿£¬²¨ÐÎ,MIDI ,LINE IN
// retrun false ±íʾûÓо²Òô
// retrun true ±íʾ¾²Òô
long device;
bool rc=false;
MIXERCONTROL volCtrl;
HMIXER hmixer;
switch (dev)
{
case 1:
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;
case 2:
device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
case 3:
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
case 4:
device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;break;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}

if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;

if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl))
rc=GetMuteValue(hmixer,&volCtrl);
mixerClose(hmixer);
return rc;

}

[constantine]

void __fastcall TForm1::btn1Click(TObject *Sender)
{
SetMute(4,chk1->Checked); //调试 第一个参数4 就是麦克风
}

[icwin]

up

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[zyyoung]

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