BOOL
SndMixerSelect(PSND_MIXER Mixer,
UINT MixerId)
{
if (MixerId >= Mixer->MixersCount)
{
return FALSE;
}
SndMixerClose(Mixer);
if (mixerOpen(&Mixer->hmx,
MixerId,
(DWORD_PTR)Mixer->hWndNotification,
0,
CALLBACK_WINDOW | MIXER_OBJECTF_MIXER) == MMSYSERR_NOERROR ||
mixerOpen(&Mixer->hmx,
MixerId,
(DWORD_PTR)Mixer->hWndNotification,
0,
CALLBACK_WINDOW) == MMSYSERR_NOERROR ||
mixerOpen(&Mixer->hmx,
MixerId,
0,
0,
0) == MMSYSERR_NOERROR)
{
if (mixerGetDevCaps(MixerId,
&Mixer->Caps,
sizeof(Mixer->Caps)) == MMSYSERR_NOERROR)
{
BOOL Ret = FALSE;
Mixer->MixerId = MixerId;
ClearMixerCache(Mixer);
Ret = SndMixerQueryDestinations(Mixer);
if (!Ret)
{
ClearMixerCache(Mixer);
}
return Ret;
}
else
{
mixerClose(Mixer->hmx);
}
}
Mixer->hmx = NULL;
Mixer->MixerId = NO_MIXER_SELECTED;
return FALSE;
}
BOOL mixer_init(DWORD dwCallback)
{
MIXERLINE line;
int i;
int j;
CHECK_MMRETURN(mixerOpen(&s_hMixer, 0, dwCallback, 0,
CALLBACK_WINDOW | MIXER_OBJECTF_MIXER));
line.cbStruct = sizeof(MIXERLINE);
line.dwDestination = 0;
line.dwSource = 0;
CHECK_MMRETURN(mixerGetLineInfo((HMIXEROBJ)s_hMixer, &line,
MIXER_GETLINEINFOF_DESTINATION));
if (!mixer_getlinecontrols(&line))
return (FALSE);
for (i = 0, j = line.cConnections; i < j; i++)
{
line.dwSource = i;
CHECK_MMRETURN(mixerGetLineInfo((HMIXEROBJ)s_hMixer, &line,
MIXER_GETLINEINFOF_SOURCE));
if (!mixer_getlinecontrols(&line))
return (FALSE);
}
return (TRUE);
}
unsigned int CMyVolumeCtrl::vGetVolume(int dev)//得到设备的音量dev=0主音量，1WAVE ,2MIDI ,3 LINE IN
{
long device;
unsigned int 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 音量
// device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE; break; //麦克风音量
// device=MIXERLINE_COMPONENTTYPE_SRC_LINE; break; //PC 扬声器音量
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(!vGetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
return 0;
rt=vGetVolumeValue(hmixer,&volCtrl)*MAX_VOL/volCtrl.Bounds.lMaximum;
mixerClose(hmixer);
return rt;
}
BOOL CMyVolumeCtrl::vSetMute(long dev,long vol)//设置设备静音
{
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
// vol=0,1 分别表示取消静音,设置静音
// retrun false 表示取消或设置静音操作不成功
// retrun true 表示取消或设置静音操作成功
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;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(vGetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl))
if(vSetMuteValue(hmixer,&volCtrl,(BOOL)vol))
rc=TRUE;
mixerClose(hmixer);
return rc;
}
BOOL CMyVolumeCtrl::vGetMute(long dev)//检查设备是否静音
{
//dev =0,1,2 分别表示主音量，波形,MIDI ,LINE IN
// retrun false 表示没有静音
// retrun true 表示静音
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;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(vGetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl))
rc = vGetMuteValue(hmixer,&volCtrl);
mixerClose(hmixer);
return rc;
}
BOOL CMixOut::OpenMixer()
{
m_iDevNum = mixerGetNumDevs();
if (m_iDevNum == 0)
{
TRACE("There (is) are no device mixer.\n");
return FALSE;
}
WAVEFORMATEX wfx;
memset( &wfx, 0, sizeof(WAVEFORMATEX) );
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 1;
wfx.nSamplesPerSec = 8000;
wfx.nAvgBytesPerSec = 1 * 8000 * 16 / 8;
wfx.nBlockAlign = 16 * 1 / 8;
wfx.wBitsPerSample = 16;
wfx.cbSize = 0;
HWAVEOUT hwaveOut;
m_mmr = waveOutOpen( &hwaveOut, WAVE_MAPPER, &wfx, 0L, 0L, CALLBACK_NULL );
if ( m_mmr != MMSYSERR_NOERROR )
{
return false;
}
else
{
m_mmr = mixerGetID( (HMIXEROBJ)hwaveOut, &m_uiMixerId, MIXER_OBJECTF_HWAVEOUT );
waveOutClose( hwaveOut );
if (m_mmr != MMSYSERR_NOERROR )
{
return false;
}
}
WNDCLASSEX wcx;
memset( &wcx, 0, sizeof(WNDCLASSEX) );
wcx.cbSize = sizeof(WNDCLASSEX);
wcx.lpszClassName = WND_CLASS_NAME;
wcx.lpfnWndProc = (WNDPROC)MixerWndProc;
::RegisterClassEx(&wcx);
m_hWnd = CreateWindow( WND_CLASS_NAME,
WND_NAME,
WS_POPUP | WS_DISABLED,
0, 0, 0, 0,
NULL, NULL, NULL, NULL );
if ( !m_hWnd )
{
return false;
}
::ShowWindow(m_hWnd, SW_HIDE);
m_mmr = mixerOpen( (LPHMIXER)&m_hMixer, m_uiMixerId, (DWORD)m_hWnd, 0L, CALLBACK_WINDOW );
if (m_mmr != MMSYSERR_NOERROR )
{
::DestroyWindow( m_hWnd );
return false;
}
return true;
}
HMIXER CMicVolume::MixDevice(HMIXER current_mix, unsigned int mix_id)
{
HMIXER h_mixer;
MIXERCAPS mixer_caps;
if(mixerGetDevCaps(mix_id, &mixer_caps, sizeof(mixer_caps)) != MMSYSERR_NOERROR)
return NULL;
if(mixerOpen(&h_mixer, mix_id, DWORD(NULL), 0L, CALLBACK_WINDOW) != MMSYSERR_NOERROR)
return NULL;
if(current_mix != NULL){
if(mixerClose(current_mix) != MMSYSERR_NOERROR)
{
#ifdef _DEBUG
MessageBox(NULL,"Mixer 장치가 사용중입니다.", "Mixer 열기실패", MB_ICONSTOP);
#endif
current_mix = NULL;
}
}
//char szbuf[128];
//wsprintf(szbuf,"Mixer 장치명: %s", mixer_caps.szPname);
//SetWindowText(g_hWnd, szbuf); //윈도우 타이틀바에 장치명 알림
return h_mixer;
}
//##################################################
//agenttype_mixer_menu_devices
//##################################################
void agenttype_mixer_menu_devices(Menu *menu, control *c, char *action, char *agentname, int format)
{
//Variables
MIXERCAPS mixer_capabilities;
HMIXER mixer_handle;
//Count the devices
UINT count_devices = mixerGetNumDevs();
if (count_devices < 1)
{
make_menuitem_nop(menu, "No audio devices present.");
return;
}
//For every device...
for (UINT device = 0; device < count_devices; device++)
{
//Open the mixer
if (MMSYSERR_NOERROR == mixerOpen( &mixer_handle, device, 0, 0, 0)
&& MMSYSERR_NOERROR == mixerGetDevCaps(device, &mixer_capabilities, sizeof(MIXERCAPS)))
{
//Create a submenu for destination lines
Menu *submenu;
submenu = make_menu(mixer_capabilities.szPname, c);
agenttype_mixer_menu_destlines(submenu, c, action, agentname, format, device, mixer_handle, mixer_capabilities);
make_submenu_item(menu, mixer_capabilities.szPname, submenu);
//Close the mixer
mixerClose(mixer_handle);
}
}
return;
}
BOOL CMyVolumeCtrl::vSetVolume(long dev,long vol)//设置设备的音量
{
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
// vol=0-MAX_VOL 表示音量的大小 , 设置与返回音量的值用的是百分比，即音量从0 - MAX_VOL，而不是设备的绝对值
// retrun false 表示设置音量的大小的操作不成功
// retrun true 表示设置音量的大小的操作成功
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;
default:
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
}
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(vGetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
{
vol=vol*volCtrl.Bounds.lMaximum/MAX_VOL;
if(vSetVolumeValue(hmixer,&volCtrl,vol))
rc=true;
}
mixerClose(hmixer);
return rc;
}
void Mixer::open(unsigned numChannels, unsigned samplingFrequency, unsigned granularityInMS) {
HMIXER newHMixer = NULL;
do {
MIXERCAPS mc;
if (mixerGetDevCaps(index, &mc, sizeof mc) != MMSYSERR_NOERROR) break;
#ifdef UNICODE
// Copy the mixer name:
wcstombs(name, mc.szPname, MAXPNAMELEN);
#else
strncpy(name, mc.szPname, MAXPNAMELEN);
#endif
// Find the correct line for this mixer:
unsigned i, uWavIn;
unsigned nWavIn = waveInGetNumDevs();
for (i = 0; i < nWavIn; ++i) {
WAVEINCAPS wic;
if (waveInGetDevCaps(i, &wic, sizeof wic) != MMSYSERR_NOERROR) continue;
MIXERLINE ml;
ml.cbStruct = sizeof ml;
ml.Target.dwType = MIXERLINE_TARGETTYPE_WAVEIN;
#ifdef UNICODE
wcsncpy(ml.Target.szPname, wic.szPname, MAXPNAMELEN);
#else
strncpy(ml.Target.szPname, wic.szPname, MAXPNAMELEN);
#endif
ml.Target.vDriverVersion = wic.vDriverVersion;
ml.Target.wMid = wic.wMid;
ml.Target.wPid = wic.wPid;
if (mixerGetLineInfo((HMIXEROBJ)index, &ml, MIXER_GETLINEINFOF_TARGETTYPE/*|MIXER_OBJECTF_MIXER*/) == MMSYSERR_NOERROR) {
// this is the right line
uWavIn = i;
dwRecLineID = ml.dwLineID;
break;
}
}
if (i >= nWavIn) break; // error: we couldn't find the right line
if (mixerOpen(&newHMixer, index, (unsigned long)NULL, (unsigned long)NULL, MIXER_OBJECTF_MIXER) != MMSYSERR_NOERROR) break;
if (newHMixer == NULL) break;
// Sanity check: re-call "mixerGetDevCaps()" using the mixer device handle:
if (mixerGetDevCaps((UINT)newHMixer, &mc, sizeof mc) != MMSYSERR_NOERROR) break;
if (mc.cDestinations < 1) break; // error: this mixer has no destinations
if (!WindowsAudioInputDevice_common::openWavInPort(uWavIn, numChannels, samplingFrequency, granularityInMS)) break;
hMixer = newHMixer;
return;
} while (0);
// An error occurred:
close();
}
bool CVolumeOutMaster::Init()
{
if ( !mixerGetNumDevs() )
return false;
// Getting Mixer ID
HWAVEOUT hwaveOut;
MMRESULT mmResult;
WAVEFORMATEX WaveFmt;
SetDeviceType( &WaveFmt );
mmResult = waveOutOpen( &hwaveOut, WAVE_MAPPER, &WaveFmt, 0L, 0L, CALLBACK_NULL );
if ( mmResult != MMSYSERR_NOERROR )
{
qDebug(".MasterOutputVolume: FAILURE: Could not open WaveOut Mapper. mmResult=%d\n", mmResult );
return false;
} else {
mmResult = mixerGetID( (HMIXEROBJ)hwaveOut, &m_uMixerID, MIXER_OBJECTF_HWAVEOUT );
waveOutClose( hwaveOut );
if ( mmResult != MMSYSERR_NOERROR )
{
qDebug(".MasterOutputVolume: FAILURE: WaveOut Mapper in Mixer is not available. mmResult=%d\n", mmResult );
return false;
}
}
//////////////// Exposing Window to Mixer
//////////////WNDCLASSEX wcx;
//////////////memset( &wcx, 0, sizeof(WNDCLASSEX) );
//////////////wcx.cbSize = sizeof(WNDCLASSEX);
//////////////wcx.lpszClassName = _T(WND_CLASS_NAME);
//////////////wcx.lpfnWndProc = (WNDPROC)MixerWndProc;
//////////////::RegisterClassEx(&wcx);
//////////////m_hWnd = CreateWindow(_T(WND_CLASS_NAME),
////////////// _T(WND_NAME),
////////////// WS_POPUP | WS_DISABLED,
////////////// 0, 0, 0, 0,
////////////// NULL, NULL, NULL, NULL );
//////////////if ( !m_hWnd )
//////////////{
////////////// qDebug(".MasterOutputVolume: FAILURE: Could not create internal window.\n" );
////////////// return false;
//////////////}
//////////////::ShowWindow(m_hWnd, SW_HIDE);
//////////////mmResult = mixerOpen( (LPHMIXER)&m_dwMixerHandle, m_uMixerID, (DWORD)m_hWnd, 0L, CALLBACK_WINDOW );
mmResult = mixerOpen( (LPHMIXER)&m_dwMixerHandle, m_uMixerID, NULL, 0L, CALLBACK_NULL );
if ( mmResult != MMSYSERR_NOERROR )
{
qDebug(".MasterOutputVolume: FAILURE: Could not open Mixer. mmResult=%d\n", mmResult );
//////////////::DestroyWindow( m_hWnd );
return false;
}
return true;
}
//设置设备静音
bool SoundControl::SetMute(long dev, bool vol)
{
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
// vol=false,true 分别表示取消静音,设置静音
// retrun false 表示取消或设置静音操作不成功
// retrun true 表示取消或设置静音操作成功
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;
break;
}
if (mixerOpen(&hmixer, 0, 0, 0, 0))
{
return 0;
}
if (SoundControl::GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_MUTE, &volCtrl))
{
if (SoundControl::SetMuteValue(hmixer, &volCtrl, vol))
{
rc = true;
}
//vol = vol * volCtrl.Bounds.lMaximum / 100;
//if (SoundControl::SetVolumeValue(hmixer, &volCtrl, vol))
//{
// rc = true;
//}
}
mixerClose(hmixer);
return rc;
}
/////////////////////////////////////////////////
// Component: value from dwComponentType member of MIXERLINE, eg:// MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE
// Kind : 0 Wave ouput tunnle, 1 Wave input tunle, 2... other.
CMixer::CMixer(DWORD ComponentType, DestKind dkKind): m_dwControlID(-1), m_bOK(false), m_dwChannels(0)
{
HMIXER hMixer;
HRESULT hr;
hr = mixerOpen(&hMixer, 0, 0, 0, 0);
if (FAILED(hr)) return;
MIXERLINE mxl;
MIXERCONTROL mc;
MIXERLINECONTROLS mxlc;
DWORD kind, count;
if (dkKind == Play)
kind = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
else
kind = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
mxl.cbStruct = sizeof(mxl);
mxl.dwComponentType = kind;
hr = mixerGetLineInfo((HMIXEROBJ)hMixer, &mxl, MIXER_GETLINEINFOF_COMPONENTTYPE);
if (FAILED(hr))
{
mixerClose(hMixer);
return;
}
count = mxl.dwSource;
for(UINT i = 0; i < count; i++)
{
mxl.dwSource = i;
mixerGetLineInfo((HMIXEROBJ)hMixer, &mxl, MIXER_GETLINEINFOF_SOURCE);
if (mxl.dwComponentType == ComponentType)
{
m_dwChannels = mxl.cChannels;
mc.cbStruct = sizeof(mc);
mxlc.cbStruct = sizeof(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = &mc;
hr = mixerGetLineControls((HMIXEROBJ)hMixer, &mxlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
m_dwControlID = mc.dwControlID;
break;
};
}
mixerClose(hMixer);
m_bOK = true;
}
void play()
{
int targetval = 65535;
if (volume != 100)
{
targetval = (int)((volume / 100.0) * 65535);
}
//credits to http://www.codeproject.com/Articles/4754/mixerSetControlDetails
printf("creating mixer,volume = %d, targetval = %d\n",volume,targetval);
/* obtain handle to mixer device */
MMRESULT result;
HMIXER hMixer;
result = mixerOpen(&hMixer, MIXER_OBJECTF_MIXER, 0, 0, 0);
/* get speaker line of the mixer device */
MIXERLINE ml = { 0 };
ml.cbStruct = sizeof(MIXERLINE);
ml.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
result = mixerGetLineInfo((HMIXEROBJ)hMixer,&ml, MIXER_GETLINEINFOF_COMPONENTTYPE);
/* get colume control of the speaker line */
MIXERLINECONTROLS mlc = { 0 };
MIXERCONTROL mc = { 0 };
mlc.cbStruct = sizeof(MIXERLINECONTROLS);
mlc.dwLineID = ml.dwLineID;
mlc.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
mlc.cControls = 1;
mlc.pamxctrl = &mc;
mlc.cbmxctrl = sizeof(MIXERCONTROL);
result = mixerGetLineControls((HMIXEROBJ)hMixer, &mlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
/* set the volume level */
MIXERCONTROLDETAILS mcd = { 0 };
MIXERCONTROLDETAILS_UNSIGNED mcdu = { 0 };
mcdu.dwValue = targetval; // the volume is a number between 0 and 65535
mcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mcd.hwndOwner = 0;
mcd.dwControlID = mc.dwControlID;
mcd.paDetails = &mcdu;
mcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
mcd.cChannels = 1;
result = mixerSetControlDetails((HMIXEROBJ)hMixer, &mcd, MIXER_SETCONTROLDETAILSF_VALUE);
PlaySound(filename, NULL, SND_FILENAME);
}
/**
* A ridiculous amount of code to do something this simple.
* But mixers are pretty abstract a subject, I guess...
* (No, the API just sucks.)
*/
static int initMixer(void)
{
MIXERCAPS mixerCaps;
int num = mixerGetNumDevs(); // Number of mixer devices.
if(initMixerOk || CommandLine_Check("-nomixer"))
return true;
if(verbose)
{
// In verbose mode, print a lot of extra information.
Con_Message("dsWinMM::initMixer: Number of mixer devices: %i", num);
}
// Open the mixer device.
res = mixerOpen(&mixer, 0, 0, 0, MIXER_OBJECTF_MIXER);
if(res != MMSYSERR_NOERROR)
{
if(verbose)
Con_Message(" Error opening mixer: Error %i", res);
return 0;
}
// Get the device caps.
mixerGetDevCaps((UINT_PTR) mixer, &mixerCaps, sizeof(mixerCaps));
Con_Message("dsWinMM::initMixer: %s", mixerCaps.szPname);
if(verbose)
Con_Message(" Audio line destinations: %i",
mixerCaps.cDestinations);
// Init CD mixer.
if(verbose)
Con_Message("Init CD audio line:");
initMixerLine(&mixCD, MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC);
if(verbose)
Con_Message("Init synthesizer line:");
initMixerLine(&mixMidi, MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER);
// We're successful.
initMixerOk = true;
// Get the original mixer volume settings (restored at shutdown).
origVol = mixer3i(MIX_MIDI, MIX_GET, MIX_VOLUME);
origCDVol = mixer3i(MIX_CDAUDIO, MIX_GET, MIX_VOLUME);
return true;
}
//设置音量值
bool WINAPI SetVolume(LONG vol)
{
bool Result=false; //用于判断函数是否执行成功
MIXERCONTROL volCtrl;
HMIXER hmixer;
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
if(GetVolumeControl(hmixer,MIXERLINE_COMPONENTTYPE_DST_SPEAKERS,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
{
int ChangeValue=volCtrl.Bounds.lMaximum/INTERVAL;
int TotalValue=ChangeValue*vol;
if(SetVolumeValue(hmixer,&volCtrl,TotalValue))
Result=true;
}
mixerClose(hmixer);
return Result;
}
//设置设备的音量
bool SoundControl::SetVolume(long dev, long vol)
{
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
// vol=0-100 表示音量的大小 , 设置与返回音量的值用的是百分比，即音量从0 - 100，而不是设备的绝对值
// retrun false 表示设置音量的大小的操作不成功
// retrun true 表示设置音量的大小的操作成功
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;
break;
}
if (mixerOpen(&hmixer, 0, 0, 0, 0))
{
return 0;
}
if (SoundControl::GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_VOLUME, &volCtrl))
{
vol = vol * volCtrl.Bounds.lMaximum / 100;
if (SoundControl::SetVolumeValue(hmixer, &volCtrl, vol))
{
rc = true;
}
}
mixerClose(hmixer);
return rc;
}
bool AgentType_Mixer_XP::Init ()
{
bool errorflag = false; //If there's an error
//Create the reciever window class if neccessary
//No errors
s_mixer_controlcount++;
if (s_mixer_controlcount > 0 && !mixer_recieverregistered)
{
if (!window_helper_register(mixer_recieverclass, &agenttype_mixer_recieverevent))
mixer_recieverregistered = true;
else
errorflag = true;
}
//Create the reciever window
m_hwnd_reciever = NULL;
if (!errorflag)
{
m_hwnd_reciever = window_helper_create(mixer_recieverclass);
if (!m_hwnd_reciever) errorflag = true;
}
if (!errorflag)
{
//Initialize the mixer values
if (MMSYSERR_NOERROR != mixerOpen(&m_mixer_handle, m_device, (DWORD_PTR) m_hwnd_reciever, 0, CALLBACK_WINDOW))
errorflag = true;
}
if (!errorflag)
{
//Set the control properties
m_mixer_controldetails.cbStruct = sizeof(MIXERCONTROLDETAILS);
m_mixer_controldetails.dwControlID = m_control;
m_mixer_controldetails.cChannels = 1;
m_mixer_controldetails.cMultipleItems = 0;
m_mixer_controldetails.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
}
if (errorflag)
{
Destroy();
return false;
}
return true;
}
//获得音量部分, 目前只支持XP的主音量, 要完美支持看D:\workspace\DownLoadCode\VolumeCtrl
int CMyVolume::GetVolume()
{
long device = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
unsigned int rt = 0;
MIXERCONTROL volCtrl;
HMIXER hmixer;
if ( mixerOpen(&hmixer, 0, 0, 0, 0) != MMSYSERR_NOERROR )
{
return 0;
}
GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_VOLUME, &volCtrl);
int iValue = GetVolumeValue(hmixer, &volCtrl);
iValue = iValue * MAX_VOL / volCtrl.Bounds.lMaximum;
return iValue;
}
//得到音量,得到设备的音量dev=0主音量，1WAVE, 2MIDI , 3 LINE IN
unsigned SoundControl::GetVolume(int dev)
{
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 音量
// device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE; break; //麦克风音量
// device=MIXERLINE_COMPONENTTYPE_SRC_LINE; break; //PC 扬声器音量
device = MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC;
break;
case 4:
device = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
break;
default:
device = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
break;
}
if (mixerOpen(&hmixer, 0, 0, 0, 0))
{
return 0;
}
if (!SoundControl::GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_VOLUME, &volCtrl))
{
return 0;
}
rt = SoundControl::GetVolumeValue(hmixer, &volCtrl) * 100 / volCtrl.Bounds.lMaximum;
mixerClose(hmixer);
return rt;
}
//检查设备是否静音
bool SoundControl::GetMute(long dev)
{
//dev =0,1,2 分别表示主音量，波形,MIDI ,LINE IN
// retrun false 表示没有静音
// retrun true 表示静音
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;
break;
}
if (mixerOpen(&hmixer, 0, 0, 0, 0))
{
return 0;
}
if (SoundControl::GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_MUTE, &volCtrl))
{
rc = GetMuteValue(hmixer, &volCtrl);
}
mixerClose(hmixer);
return rc;
}
BOOL
SndMixerEnumProducts(PSND_MIXER Mixer,
PFNSNDMIXENUMPRODUCTS EnumProc,
PVOID Context)
{
MIXERCAPS Caps;
HMIXER hMixer;
UINT i;
BOOL Ret = TRUE;
for (i = 0; i < Mixer->MixersCount; i++)
{
if (mixerOpen(&hMixer,
i,
0,
0,
0) == MMSYSERR_NOERROR)
{
if (mixerGetDevCaps(i,
&Caps,
sizeof(Caps)) == MMSYSERR_NOERROR)
{
if (!EnumProc(Mixer,
i,
Caps.szPname,
Context))
{
mixerClose(hMixer);
Ret = FALSE;
break;
}
}
else
{
DPRINT("Failed to get device capabilities for mixer id %d!\n", i);
}
mixerClose(hMixer);
}
}
return Ret;
}
//设置/开启 静音
BOOL CMyVolume::SetMute(BOOL bMute)
{
HMIXER hmixer;
if ( mixerOpen(&hmixer, 0, 0, 0, 0) )
{
return FALSE;
}
long device = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
MIXERCONTROL volCtrl;
GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_MUTE, &volCtrl);
BOOL rc(FALSE);
if (SetMuteValue(hmixer, &volCtrl, (BOOL)bMute))
{
rc = TRUE;
}
mixerClose(hmixer);
return rc;
}
/* If the PROP_DEVICE_NAME is set, find the mixer related to device;
* otherwise we get the default input mixer. */
static gboolean
gst_directsound_src_mixer_find (GstDirectSoundSrc * dsoundsrc,
MIXERCAPS * mixer_caps)
{
MMRESULT mmres;
guint i, num_mixers;
num_mixers = mixerGetNumDevs ();
for (i = 0; i < num_mixers; i++) {
mmres = mixerOpen (&dsoundsrc->mixer, i, 0L, 0L,
MIXER_OBJECTF_MIXER | MIXER_OBJECTF_WAVEIN);
if (mmres != MMSYSERR_NOERROR)
continue;
mmres = mixerGetDevCaps (GPOINTER_TO_UINT (dsoundsrc->mixer),
mixer_caps, sizeof (MIXERCAPS));
if (mmres != MMSYSERR_NOERROR) {
mixerClose (dsoundsrc->mixer);
continue;
}
/* Get default mixer */
if (dsoundsrc->device_name == NULL) {
GST_DEBUG ("Got default input mixer: %s", mixer_caps->szPname);
return TRUE;
}
if (g_strstr_len (dsoundsrc->device_name, -1, mixer_caps->szPname) != NULL) {
GST_DEBUG ("Got requested input mixer: %s", mixer_caps->szPname);
return TRUE;
}
/* Wrong mixer */
mixerClose (dsoundsrc->mixer);
}
GST_DEBUG ("Can't find input mixer");
return FALSE;
}
//返回音量值
unsigned WINAPI GetVolume()
{
unsigned rt=0;
MIXERCONTROL volCtrl;
HMIXER hmixer;
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
MIXERLINE mxl = {0};
mxl.cbStruct = sizeof(mxl);
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
MMRESULT mr = mixerGetLineInfo((HMIXEROBJ)hmixer, &mxl, MIXER_GETLINEINFOF_DESTINATION);
mixerGetLineControls()
if(!GetVolumeControl(hmixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
return 0;
int ChangeValue=volCtrl.Bounds.lMaximum/INTERVAL; //每一次调用函数改变的音量值
rt=GetVolumeValue(hmixer,&volCtrl)/ChangeValue; //GetVolumeValue得到的是具体值
mixerClose(hmixer);
return rt;
}
long CMixer::GetPan()
{
if (!m_bOK || m_dwControlPID==0) return 0;
HMIXER hMixer;
HRESULT hr;
hr = mixerOpen(&hMixer, 0, 0, 0, 0);
if (FAILED(hr)) return 0;
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_SIGNED mxdu;
mxcd.cMultipleItems = 0;
mxcd.cChannels = 1;
mxcd.cbStruct = sizeof(mxcd);
mxcd.dwControlID = m_dwControlPID;
mxcd.cbDetails = sizeof(mxdu);
mxcd.paDetails = &mxdu;
hr = mixerGetControlDetails((HMIXEROBJ)hMixer, &mxcd, MIXER_GETCONTROLDETAILSF_VALUE);
mixerClose(hMixer);
return mxdu.lValue;
}
BOOL CMyVolume::SetValue(int nVol)
{
BOOL bSet = FALSE;
HMIXER hmier;
if (mixerOpen(&hmier, 0, 0, 0, 0))
{
return FALSE;
}
long device = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
MIXERCONTROL volCtrl;
BOOL bRet(FALSE);
if ( GetVolumeControl(hmier, device, MIXERCONTROL_CONTROLTYPE_VOLUME, &volCtrl) )
{
nVol = nVol* volCtrl.Bounds.lMaximum/MAX_VOL;
if ( SetVolumeValue(hmier,&volCtrl, nVol ) )
{
bRet = TRUE;
}
}
mixerClose(hmier);
return bRet;
}
void CMixer::SetPan(long dwVol)
{
if (!m_bOK || m_dwControlPID==0) return;
HMIXER hMixer;
HRESULT hr;
hr = mixerOpen(&hMixer, 0, 0, 0, 0);
if (FAILED(hr)) return;
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_SIGNED mxdu;
mxdu.lValue = dwVol;
mxcd.cMultipleItems = 0;
mxcd.cChannels = 1;
mxcd.cbStruct = sizeof(mxcd);
mxcd.dwControlID = m_dwControlPID;
mxcd.cbDetails = sizeof(mxdu);
mxcd.paDetails = &mxdu;
hr = mixerSetControlDetails((HMIXEROBJ)hMixer, &mxcd, MIXER_SETCONTROLDETAILSF_VALUE| MIXER_OBJECTF_HMIXER);
mixerClose(hMixer);
}
BOOL MicMute::openMixer()
{
int n;
//Get the no of mixer devices
n=mixerGetNumDevs();
m_mixer=NULL;
::ZeroMemory(&mixcap,sizeof(MIXERCAPS));
if(n==0)
return FALSE;
//Open the first mixer device
if(mixerOpen(&m_mixer,0,NULL,NULL,MIXER_OBJECTF_MIXER)!=MMSYSERR_NOERROR)
return FALSE;
//Get mixer properties
if( ::mixerGetDevCaps((UINT)m_mixer,&mixcap, sizeof(MIXERCAPS) )!=MMSYSERR_NOERROR)
return FALSE;
return TRUE;
}
void CMixer::SetVolume(DWORD dwVol)
{
if (!m_bOK) return;
HMIXER hMixer;
HRESULT hr;
hr = mixerOpen(&hMixer, 0, 0, 0, 0);
if (FAILED(hr)) return;
MIXERCONTROLDETAILS mxcd;
MIXERCONTROLDETAILS_UNSIGNED mxdu;
mxdu.dwValue = dwVol;
mxcd.cMultipleItems = 0;
mxcd.cChannels = m_dwChannels;
mxcd.cbStruct = sizeof(mxcd);
mxcd.dwControlID = m_dwControlID;
mxcd.cbDetails = sizeof(mxdu);
mxcd.paDetails = &mxdu;
hr = mixerSetControlDetails((HMIXEROBJ)hMixer, &mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
mixerClose(hMixer);
}