internal static MixerControl[] GetControls(Mixer mx, MixerLine line, int controlCount)
{
if (controlCount == 0)
{
return(new MixerControl[0]);
}
MIXERCONTROL[] mc = new MIXERCONTROL[controlCount];
int mxsize = Marshal.SizeOf(mc[0]);
if (mxsize != 148)
{
throw new Exception("" + mxsize);
}
//mxsize = 148;
MIXERLINECONTROLS mlc = new MIXERLINECONTROLS();
mlc.cbStruct = Marshal.SizeOf(mlc);
mlc.cControls = controlCount;
mlc.dwLineID = line.Id;
mlc.pamxctrl = Marshal.AllocCoTaskMem(mxsize * controlCount);
mlc.cbmxctrl = mxsize;
int err;
if ((err = mixerGetLineControlsA(mx.Handle, ref mlc, MIXER_GETLINECONTROLSF_ALL)) != 0)
{
throw new Win32Exception("Error #" + err + " calling mixerGetLineControls()\n");
}
for (int i = 0; i < controlCount; i++)
{
mc[i] = (MIXERCONTROL)Marshal.PtrToStructure(new IntPtr(mlc.pamxctrl.ToInt64() + mxsize * i),
typeof(MIXERCONTROL));
}
Marshal.FreeCoTaskMem(mlc.pamxctrl);
MixerControl[] result = new MixerControl[controlCount];
for (int i = 0; i < controlCount; i++)
{
result[i] = GetControl(mx, line, mc[i]);
}
return(result);
}
public static int GetControlID( int component, int control ) // GetControlID
{
MIXERCONTROL mxc = new MIXERCONTROL();
int _i; // Though we won't need _i, it still must be declared
bool b = false;
int retValue = 0;
b = GetMixerControl(
0,
component,
control,
out mxc,
out _i);
return retValue = b ? mxc.dwControlID : -1;
}
public static void SetVolume(int vVolume)
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out
currentVol);
if (vVolume > volCtrl.lMaximum)
{
vVolume = volCtrl.lMaximum;
}
if (vVolume < volCtrl.lMinimum)
{
vVolume = volCtrl.lMinimum;
}
SetVolumeControl(mixer, volCtrl, vVolume);
GetVolumeControl(mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out
currentVol);
if (vVolume != currentVol)
{
throw new Exception("Cannot Set Volume");
}
mixerClose(mixer);
}
public static float GetVolume()
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(
mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS,
type,
out volCtrl,
out currentVol);
mixerClose(mixer);
return((float)currentVol / (float)volCtrl.lMaximum * 100.0f);
}
private static MixerControl GetControl(Mixer mx, MixerLine ml, MIXERCONTROL mc)
{
MixerControl result = new MixerControl(mx, ml, mc);
if (result.Class == MixerControlClass.FADER && ((uint)result.ControlType & MIXERCONTROL_CT_UNITS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_UNITS_UNSIGNED)
{
result = new FaderMixerControl(mx, ml, mc);
}
else if (result.Class == MixerControlClass.SWITCH && ((uint)result.ControlType & MIXERCONTROL_CT_SUBCLASS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_SC_SWITCH_BOOLEAN && ((uint)result.ControlType & MIXERCONTROL_CT_UNITS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_UNITS_BOOLEAN)
{
result = new BooleanMixerControl(mx, ml, mc);
}
else if (result.Class == MixerControlClass.LIST && ((uint)result.ControlType & MIXERCONTROL_CT_SUBCLASS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_SC_SWITCH_BOOLEAN && ((uint)result.ControlType & MIXERCONTROL_CT_UNITS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_UNITS_BOOLEAN)
{
result = new ListMixerControl(mx, ml, mc);
}
return(result);
}
private MMSYSERR GetVolumeInfo(IntPtr hmixer, int ctrlType, ref MIXERCONTROL mxc)
{
MMSYSERR err = MMSYSERR.NOERROR;
try
{
IntPtr hmem = IntPtr.Zero;
MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();
mxlc.cbStruct = (uint)Marshal.SizeOf(mxlc);
MIXERLINE mxl = new MIXERLINE();
mxl.cbStruct = (uint)Marshal.SizeOf(mxl);
mxl.dwComponentType = (uint)MIXERLINE_COMPONENTTYPE.DST_SPEAKERS;
err = mixerGetLineInfo(hmixer, ref mxl, MIXER_GETLINEINFOF.COMPONENTTYPE);
if (err == MMSYSERR.NOERROR)
{
mxlc.dwLineID = (uint)mxl.dwLineID;
mxlc.dwControlID = (uint)ctrlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = (uint)Marshal.SizeOf(mxc);
hmem = malloc(Marshal.SizeOf(mxlc));
mxlc.pamxctrl = hmem;
mxc.cbStruct = (uint)Marshal.SizeOf(mxc);
err = mixerGetLineControls(hmixer, ref mxlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if (err == MMSYSERR.NOERROR)
{
mxc = (MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl, typeof(MIXERCONTROL));
if (hmem != IntPtr.Zero)
{
free(hmem, Marshal.SizeOf(mxc));
}
return(err);
}
if (hmem != IntPtr.Zero)
{
free(hmem, Marshal.SizeOf(mxc));
}
}
return(err);
}
catch { return(err); }
}
private static int getVolume()
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
getVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
mixerClose(mixer);
System.Diagnostics.Debug.WriteLine("Vol: " + currentVol.ToString());
return(currentVol);
}
public static bool setMicVolume(int mxid, int percentage)
{
if (mixerdisabled)
{
return(false);
}
bool rc;
int mixer, vVolume, ctrltype, comptype;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
int mr = mixerOpen(out mixer, mxid, 0, 0, (int)MIXER_OBJECTF_WAVEIN);
if (mr != MMSYSERR_NOERROR)
{
//Warning("mixerOpen() failed: " + mr.ToString());
mixerdisabled = true;
return(false);
}
ctrltype = MIXERCONTROL_CONTROLTYPE_VOLUME;
comptype = (int)MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
rc = GetVolumeControl(mixer, comptype, ctrltype, out volCtrl, out currentVol);
if (rc == false)
{
//Warning("SetMicVolume/GetVolumeControl() failed");
mixerdisabled = true;
mixerClose(mixer);
return(false);
}
vVolume = ((int)((float)(volCtrl.lMaximum - volCtrl.lMinimum) / 100.0F) * percentage);
rc = SetVolumeControl(mixer, volCtrl, vVolume);
if (rc == false)
{
//Warning("SetMicVolume/SetVolumeControl() failed");
mixerdisabled = true;
mixerClose(mixer);
return(false);
}
mixerClose(mixer);
return(true);
}
/// <summary>
/// 사운드볼륨을 퍼센트 단위로 설정
/// </summary>
/// <param name="iPercent">볼륨 퍼센트</param>
public static void SetVolumePercent(int iPercent)
{
try
{
int iVolumn = 0;
int mixer;
int currentVol;
if (iPercent < 0)
{
iPercent = 0;
}
else if (iPercent > 100)
{
iPercent = 100;
}
MIXERCONTROL volCtrl = new MIXERCONTROL();
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out
currentVol);
iVolumn = volCtrl.lMaximum * iPercent / 100;
SetVolumeControl(mixer, volCtrl, iVolumn);
GetVolumeControl(mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out
currentVol);
if (iVolumn != currentVol)
{
throw new Exception("Cannot Set Volume");
}
mixerClose(mixer);
}
catch (Exception ex)
{
MainForm.log.write(ex.Message);
}
}
public static MixerInfo GetMixerControls()
{
MIXERLINE mxl = new MIXERLINE();
MIXERLINECONTROLS mlc = new MIXERLINECONTROLS();
mxl.cbStruct = (uint)Marshal.SizeOf(typeof(MIXERLINE));
mlc.cbStruct = (uint)Marshal.SizeOf(typeof(MIXERLINECONTROLS));
mixerGetLineInfo(IntPtr.Zero, ref mxl, MIXER.OBJECTF_MIXER | MIXER.GETLINEINFOF_DESTINATION);
mlc.dwLineID = mxl.dwLineID;
mlc.cControls = mxl.cControls;
mlc.cbmxctrl = (uint)Marshal.SizeOf(typeof(MIXERCONTROL));
mlc.pamxctrl = Marshal.AllocHGlobal((int)(mlc.cbmxctrl * mlc.cControls));
mixerGetLineControls(IntPtr.Zero, ref mlc, MIXER.OBJECTF_MIXER | MIXER.GETLINECONTROLSF_ALL);
MixerInfo rtn = new MixerInfo();
for (int i = 0; i < mlc.cControls; i++)
{
MIXERCONTROL mxc = (MIXERCONTROL)Marshal.PtrToStructure((IntPtr)((int)mlc.pamxctrl + (int)mlc.cbmxctrl * i), typeof(MIXERCONTROL));
switch (mxc.dwControlType)
{
case MIXERCONTROL_CONTROLTYPE.VOLUME:
rtn.volumeCtl = mxc.dwControlID;
rtn.minVolume = mxc.Bounds.lMinimum;
rtn.maxVolume = mxc.Bounds.lMaximum;
break;
case MIXERCONTROL_CONTROLTYPE.MUTE:
rtn.muteCtl = mxc.dwControlID;
break;
}
}
Marshal.FreeHGlobal(mlc.pamxctrl);
return(rtn);
}
/// <summary>
///
/// </summary>
/// <param name="vVolume"></param>
public static void SetVolume(int vVolume)
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
CheckErr(mixerOpen(out mixer, 0, 0, 0, 0));
try
{
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(mixer,
MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out
currentVol);
int diff = volCtrl.lMaximum - volCtrl.lMinimum;
if (diff > 0)
{
long normalized = (long)vVolume * (long)diff / 65535L;
vVolume = (int)normalized + volCtrl.lMinimum;
}
if (vVolume > volCtrl.lMaximum)
{
vVolume = volCtrl.lMaximum;
}
if (vVolume < volCtrl.lMinimum)
{
vVolume = volCtrl.lMinimum;
}
SetVolumeControl(mixer, volCtrl, vVolume);
}
catch (Exception ex)
{
throw ex;
}
finally
{
CheckErr(mixerClose(mixer));
}
}
private static bool SetVolumeControl(int hmixer, MIXERCONTROL mxc,
int volume)
{
// This function sets the value for a volume control.
// Returns True if successful
bool retValue;
int rc;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED vol = new
MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = mxc.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(vol);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
vol.dwValue = volume;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(
typeof(MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(vol, mxcd.paDetails, false);
// Set the control value
rc = mixerSetControlDetails(hmixer, ref mxcd,
MIXER_SETCONTROLDETAILSF_VALUE);
if (MMSYSERR_NOERROR == rc)
{
retValue = true;
}
else
{
retValue = false;
} return(retValue);
}
private static void SetVolumeControl(int hmixer, MIXERCONTROL mxc,
int volume)
{
// This function sets the value for a volume control.
// Returns True if successful
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED vol = new
MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = mxc.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(vol);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
vol.dwValue = volume;
// Copy the data into the control value buffer
//mxcd.paDetails = vol;
//(MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl,typeof(MIXERCONTROL));
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(vol, mxcd.paDetails, false);
// Set the control value
try
{
CheckErr(mixerSetControlDetails(hmixer, ref mxcd,
MIXER_SETCONTROLDETAILSF_VALUE));
}
catch (Exception e)
{
throw e;
}
finally
{
Marshal.FreeCoTaskMem(mxcd.paDetails);
}
}
/// <summary>Open the mixer</summary>
/// <returns>error</returns>
public MMSYSERR OpenMixer()
{
MMSYSERR err = MMSYSERR.NOERROR;
err = mixerOpen(ref _hMixer, 0, IntPtr.Zero, IntPtr.Zero, 0);
if (err == MMSYSERR.NOERROR)
{
_tVolume = new MIXERCONTROL();
_tVolume.cbStruct = (uint)Marshal.SizeOf(_tVolume);
err = GetVolumeInfo(_hMixer, MIXERCONTROL_CONTROLTYPE_VOLUME, ref _tVolume);
if (err == MMSYSERR.NOERROR)
{
_iVolNorm = (int)_tVolume.fdwControl;
return(err);
}
}
if (err != MMSYSERR.NOERROR && _hMixer != IntPtr.Zero)
{
CloseMixer();
}
return(err);
}
private bool SetVolumeControl( // SetVolumeControl
int hmixer,
MIXERCONTROL mxc,
int volume)
{
bool retValue = false;
int rc;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED vol = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = mxc.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(vol);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
vol.dwValue = volume;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(
Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(
vol,
mxcd.paDetails,
false);
// Set the control value
rc = mixerSetControlDetails(
hmixer,
ref mxcd,
MIXER_SETCONTROLDETAILSF_VALUE);
return(retValue = MMSYSERR_NOERROR == rc ? true : false);
}
private static void setVolume(int vVolume)
{
try
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
getVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
if (vVolume > volCtrl.lMaximum)
{
vVolume = volCtrl.lMaximum;
}
if (vVolume < volCtrl.lMinimum)
{
vVolume = volCtrl.lMinimum;
}
setVolumeControl(mixer, volCtrl, vVolume);
getVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
mixerClose(mixer);
}
catch
{
}
}
private static bool GetMute(int mixerID, uint dst_type, uint src_type)
{
int mixer;
MIXERCONTROL muteCtrl = new MIXERCONTROL();
int val;
mixerOpen(out mixer, mixerID, 0, 0, 0);
bool success = GetControlByType(mixer, dst_type, src_type, MIXERCONTROL_CONTROLTYPE_MUTE, out muteCtrl);
if(success == true)
{
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int sizeofMIXERCONTROLDETAILS = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_UNSIGNED = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
details.cbStruct = sizeofMIXERCONTROLDETAILS;
details.dwControlID = muteCtrl.dwControlID;
details.paDetails = Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
details.cChannels = 1;
details.item = 0;
details.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
int retval = mixerGetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
{
MIXERCONTROLDETAILS_UNSIGNED du = (MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(details.paDetails, typeof(MIXERCONTROLDETAILS_UNSIGNED));
val = du.dwValue;
}
else val = -1;
Marshal.FreeCoTaskMem(details.paDetails);
}
else val = -1;
mixerClose(mixer);
return (val == 1);
}
private static bool SetVolume(int mixerID, uint dst_type, uint src_type, int val)
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol = GetVolume(mixerID, dst_type, src_type);
if(currentVol == val) return true;
mixerOpen(out mixer, mixerID, 0, 0, 0);
bool success = GetControlByType(mixer, dst_type, src_type, MIXERCONTROL_CONTROLTYPE_VOLUME, out volCtrl);
if(success == true)
{
if(val>volCtrl.lMaximum) val = volCtrl.lMaximum;
if(val<volCtrl.lMinimum) val = volCtrl.lMinimum;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED vol = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = volCtrl.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(vol);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
vol.dwValue = val;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(vol, mxcd.paDetails,false);
// Set the control value
int retval = mixerSetControlDetails(mixer, ref mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
{
currentVol = GetVolume(mixerID, dst_type, src_type);
if(currentVol != val)
success = false;
else success = true;
}
else success = false;
Marshal.FreeCoTaskMem(mxcd.paDetails);
}
else success = false;
mixerClose(mixer);
return success;
}
private static bool GetControlByType(int mixer, uint dst_type, uint src_type, uint ctrl_type, out MIXERCONTROL outCtrl)
{
outCtrl = new MIXERCONTROL();
MIXERCAPS mc = new MIXERCAPS();
int retval = mixerGetDevCaps(mixer, ref mc, Marshal.SizeOf(mc));
if(retval != MMSYSERR_NOERROR)
return false;
int num_dest = mc.cDestinations;
for(int j=0; j<num_dest; j++) // for each destination line
{
MIXERLINE dst_line = new MIXERLINE();
dst_line.cbStruct = Marshal.SizeOf(dst_line);
dst_line.dwDestination = j;
retval = mixerGetLineInfo(mixer, ref dst_line, MIXER_GETLINEINFOF_DESTINATION);
if(retval == MMSYSERR_NOERROR && dst_line.dwComponentType == dst_type)
{
if(src_type == 0)
{
MIXERLINECONTROLS dst_lc = new MIXERLINECONTROLS();
int mcSize = 152;
dst_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
dst_lc.cbStruct = Marshal.SizeOf(dst_lc);
dst_lc.dwLineID = dst_line.dwLineID;
dst_lc.dwControl = ctrl_type;
dst_lc.cControls = 1;
dst_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref dst_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval == MMSYSERR_NOERROR)
{
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(dst_lc.pamxctrl, typeof(MIXERCONTROL));
outCtrl = ctrl;
Marshal.FreeCoTaskMem(dst_lc.pamxctrl);
return true;
}
Marshal.FreeCoTaskMem(dst_lc.pamxctrl);
return false;
}
else
{
int num_src = dst_line.cConnections;
for(int k=0; k<num_src; k++) // for all source lines connected to this destination
{
MIXERLINE src_line = new MIXERLINE();
src_line.cbStruct = dst_line.cbStruct;
src_line.dwDestination = dst_line.dwDestination;
src_line.dwSource = k;
retval = mixerGetLineInfo(mixer, ref src_line, MIXER_GETLINEINFOF_SOURCE);
if(retval == MMSYSERR_NOERROR && src_line.dwComponentType == src_type)
{
MIXERLINECONTROLS src_lc = new MIXERLINECONTROLS();
int mcSize = 152;
src_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
src_lc.cbStruct = Marshal.SizeOf(src_lc);
src_lc.dwLineID = src_line.dwLineID;
src_lc.dwControl = ctrl_type;
src_lc.cControls = 1;
src_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref src_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval == MMSYSERR_NOERROR)
{
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(src_lc.pamxctrl, typeof(MIXERCONTROL));
outCtrl = ctrl;
Marshal.FreeCoTaskMem(src_lc.pamxctrl);
return true;
}
Marshal.FreeCoTaskMem(src_lc.pamxctrl);
return false;
}
}
}
}
}
return false;
}
public MuteAudioLineControl(AudioLine audioLine, MIXERCONTROL mc, Action <AudioLine> raiseEventDelegate)
: base(audioLine, mc, raiseEventDelegate)
{
}
public static int GetMinMaxVolume(out int iMin, out int iMax)
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
mixerClose(mixer);
iMin = volCtrl.lMinimum;
iMax = volCtrl.lMaximum;
return currentVol;
}
internal MixerControl(Mixer mx, MixerLine ml, MIXERCONTROL ctrl)
{
this.mx = mx;
this.ml = ml;
this.ctrl = ctrl;
}
public static bool InitSoundCard2(int mixerID)
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if(retval != MMSYSERR_NOERROR)
return false;
MIXERCAPS mc = new MIXERCAPS();
retval = mixerGetDevCaps(mixer, ref mc, Marshal.SizeOf(mc));
if(retval != MMSYSERR_NOERROR)
goto failed;
MIXERLINE dst_line = new MIXERLINE();
dst_line.cbStruct = Marshal.SizeOf(dst_line);
dst_line.dwDestination = 0;
retval = mixerGetLineInfo(mixer, ref dst_line, MIXER_GETLINEINFOF_DESTINATION);
if(retval != MMSYSERR_NOERROR)
goto failed;
for(int i=0; i<dst_line.cConnections; i++)
{
MIXERCONTROL ctrl = new MIXERCONTROL();
GetControlByID(mixerID, 0, i, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
SetBool(mixerID, ctrl, true);
}
mixerClose(mixer);
SetMainVolume(mixerID, 100);
SetWaveOutVolume(mixerID, 100);
SetMainMute(mixerID, false);
SetWaveOutMute(mixerID, false);
return true;
failed:
mixerClose(mixer);
return false;
}
private static void GetVolumeControl(int hmixer, int componentType,
int ctrlType, out MIXERCONTROL mxc, out int vCurrentVol)
{
// This function attempts to obtain a mixer control.
// Returns True if successful.
MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();
MIXERLINE mxl = new MIXERLINE();
MIXERCONTROLDETAILS pmxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED du = new
MIXERCONTROLDETAILS_UNSIGNED();
mxc = new MIXERCONTROL();
vCurrentVol = -1;
//mxl.szShortName = new string(' ', MIXER_SHORT_NAME_CHARS);
//mxl.szName = new string(' ', MIXER_LONG_NAME_CHARS);
mxl.cbStruct = Marshal.SizeOf(mxl);
mxl.dwComponentType = componentType;
// Obtain a line corresponding to the component public enum
CheckErr(mixerGetLineInfoA(hmixer, ref mxl,
MIXER_GETLINEINFOF_COMPONENTTYPE));
int sizeofMIXERCONTROL = 152;
//Marshal.SizeOf(typeof(MIXERCONTROL))
int ctrl = Marshal.SizeOf(typeof(MIXERCONTROL));
mxlc.pamxctrl = Marshal.AllocCoTaskMem(sizeofMIXERCONTROL); //new MIXERCONTROL();
mxlc.cbStruct = Marshal.SizeOf(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControl = ctrlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeofMIXERCONTROL;
// Allocate a buffer for the control
mxc.cbStruct = sizeofMIXERCONTROL;
// Get the control
try
{
CheckErr(mixerGetLineControlsA(hmixer, ref mxlc,
MIXER_GETLINECONTROLSF_ONEBYTYPE));
// Copy the control into the destination structure
mxc = (MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl, typeof(MIXERCONTROL));
}
catch (Exception e)
{
throw e;
}
finally
{
Marshal.FreeCoTaskMem(mxlc.pamxctrl);
}
int sizeofMIXERCONTROLDETAILS =
Marshal.SizeOf(typeof(MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_UNSIGNED =
Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
pmxcd.cbStruct = sizeofMIXERCONTROLDETAILS;
pmxcd.dwControlID = mxc.dwControlID;
pmxcd.paDetails =
Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
pmxcd.cChannels = 1;
pmxcd.item = 0;
pmxcd.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
try
{
CheckErr(mixerGetControlDetailsA(hmixer, ref pmxcd,
MIXER_GETCONTROLDETAILSF_VALUE));
du =
(MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(pmxcd.paDetails, typeof(MIXERCONTROLDETAILS_UNSIGNED));
}
catch (Exception e)
{
throw e;
}
finally
{
Marshal.FreeCoTaskMem(pmxcd.paDetails);
}
vCurrentVol = du.dwValue;
}
public static void RestoreState()
{
int index = 0;
uint[] ctrl_list =
{
MIXERCONTROL_CONTROLTYPE_CUSTOM,
MIXERCONTROL_CONTROLTYPE_BOOLEANMETER,
MIXERCONTROL_CONTROLTYPE_SIGNEDMETER,
MIXERCONTROL_CONTROLTYPE_PEAKMETER,
MIXERCONTROL_CONTROLTYPE_BOOLEAN,
MIXERCONTROL_CONTROLTYPE_ONOFF,
MIXERCONTROL_CONTROLTYPE_MUTE,
MIXERCONTROL_CONTROLTYPE_MONO,
MIXERCONTROL_CONTROLTYPE_LOUDNESS,
MIXERCONTROL_CONTROLTYPE_STEREOENH,
MIXERCONTROL_CONTROLTYPE_BUTTON,
MIXERCONTROL_CONTROLTYPE_DECIBELS,
MIXERCONTROL_CONTROLTYPE_SIGNED,
MIXERCONTROL_CONTROLTYPE_SLIDER,
MIXERCONTROL_CONTROLTYPE_PAN,
MIXERCONTROL_CONTROLTYPE_QSOUNDPAN,
MIXERCONTROL_CONTROLTYPE_SINGLESELECT,
MIXERCONTROL_CONTROLTYPE_MUX,
MIXERCONTROL_CONTROLTYPE_MULTIPLESELECT,
MIXERCONTROL_CONTROLTYPE_MIXER,
MIXERCONTROL_CONTROLTYPE_UNSIGNEDMETER,
MIXERCONTROL_CONTROLTYPE_UNSIGNED,
MIXERCONTROL_CONTROLTYPE_BASS,
MIXERCONTROL_CONTROLTYPE_EQUALIZER,
MIXERCONTROL_CONTROLTYPE_FADER,
MIXERCONTROL_CONTROLTYPE_TREBLE,
MIXERCONTROL_CONTROLTYPE_VOLUME,
MIXERCONTROL_CONTROLTYPE_MICROTIME,
MIXERCONTROL_CONTROLTYPE_MILLITIME,
MIXERCONTROL_CONTROLTYPE_PERCENT,
};
int num_mixers = mixerGetNumDevs();
int mixer = -1;
int retval = -1;
for(int i=0; i<num_mixers; i++) // for each mixer
{
mixerOpen(out mixer, i, 0, 0, 0);
MIXERCAPS mc = new MIXERCAPS();
retval = mixerGetDevCaps(mixer, ref mc, Marshal.SizeOf(mc));
if(retval == MMSYSERR_NOERROR)
{
int num_dest = mc.cDestinations;
for(int j=0; j<num_dest; j++) // for each destination line in this mixer
{
MIXERLINE dst_line = new MIXERLINE();
dst_line.cbStruct = Marshal.SizeOf(dst_line);
dst_line.dwDestination = j;
retval = mixerGetLineInfo(mixer, ref dst_line, MIXER_GETLINEINFOF_DESTINATION);
if(retval == MMSYSERR_NOERROR)
{
for(int k=0; k<30; k++) // for each control in this destination line
{
MIXERLINECONTROLS dst_lc = new MIXERLINECONTROLS();
int mcSize = 152;
dst_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
dst_lc.cbStruct = Marshal.SizeOf(dst_lc);
dst_lc.dwLineID = dst_line.dwLineID;
dst_lc.dwControl = ctrl_list[k];
dst_lc.cControls = 1;
dst_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref dst_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval == MMSYSERR_NOERROR)
{
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(dst_lc.pamxctrl, typeof(MIXERCONTROL));
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_SIGNED));
details.dwControlID = ctrl.dwControlID;
details.cbDetails = size;
details.item = ctrl.cMultipleItems;
if(details.item > 0) size *= details.item;
details.paDetails = Marshal.AllocCoTaskMem(size);
details.cbStruct = Marshal.SizeOf(details);
details.cChannels = 1;
if(details.item > 0)
{
if(index != save.Count)
{
int rec_index = (int)save[index];
int[] val = new int[details.item];
for(int m=0; m<details.item; m++)
{
if(m == rec_index) val[m] = 1;
else val[m] = 0;
}
Marshal.Copy(val, 0, details.paDetails, details.item);
retval = mixerSetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
index++;
}
}
else
{
MIXERCONTROLDETAILS_UNSIGNED val = new MIXERCONTROLDETAILS_UNSIGNED();
val.dwValue = (int)save[index];
Marshal.StructureToPtr(val, details.paDetails, false);
retval = mixerSetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
index++;
}
Marshal.FreeCoTaskMem(details.paDetails);
}
Marshal.FreeCoTaskMem(dst_lc.pamxctrl);
}
int num_src = dst_line.cConnections;
for(int k=0; k<num_src; k++) // for each source line connected to this destination
{
MIXERLINE src_line = new MIXERLINE();
src_line.cbStruct = dst_line.cbStruct;
src_line.dwDestination = dst_line.dwDestination;
src_line.dwSource = k;
retval = mixerGetLineInfo(mixer, ref src_line, MIXER_GETLINEINFOF_SOURCE);
if(retval == MMSYSERR_NOERROR)
{
for(int l=0; l<30; l++) // for each control in this source line
{
MIXERLINECONTROLS src_lc = new MIXERLINECONTROLS();
int mcSize = 152;
src_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
src_lc.cbStruct = Marshal.SizeOf(src_lc);
src_lc.dwLineID = src_line.dwLineID;
src_lc.dwControl = ctrl_list[l];
src_lc.cControls = 1;
src_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref src_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval == MMSYSERR_NOERROR)
{
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(src_lc.pamxctrl, typeof(MIXERCONTROL));
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int size;
if(l<20) size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_SIGNED));
else size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
details.dwControlID = ctrl.dwControlID;
details.paDetails = Marshal.AllocCoTaskMem(size);
details.cbStruct = Marshal.SizeOf(details);
details.cChannels = 1;
details.item = ctrl.cMultipleItems;
details.cbDetails = size;
if(details.item > 0)
{
int rec_index = (int)save[index];
MIXERCONTROLDETAILS_UNSIGNED[] val = new MIXERCONTROLDETAILS_UNSIGNED[details.item];
for(int m=0; m<details.item; m++)
val[m] = new MIXERCONTROLDETAILS_UNSIGNED();
val[rec_index].dwValue = 1;
Marshal.StructureToPtr(val[0], details.paDetails, false);
}
else
{
MIXERCONTROLDETAILS_UNSIGNED val = new MIXERCONTROLDETAILS_UNSIGNED();
val.dwValue = (int)save[index];
Marshal.StructureToPtr(val, details.paDetails, false);
}
retval = mixerSetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
index++;
Marshal.FreeCoTaskMem(details.paDetails);
}
Marshal.FreeCoTaskMem(src_lc.pamxctrl);
}
}
}
}
}
}
}
mixerClose(mixer);
}
private static bool SetUnsigned(int mixer, MIXERCONTROL ctrl, int num)
{
int current_val;
if(!GetUnsigned(mixer, ctrl, out current_val))
return false;
if(current_val == num)
return true;
if(num > ctrl.lMaximum) num = ctrl.lMaximum;
if(num < ctrl.lMinimum) num = ctrl.lMinimum;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED val = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = ctrl.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(val);
mxcd.cChannels = 1;
val.dwValue = num;
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(val));
Marshal.StructureToPtr(val, mxcd.paDetails, false);
int retval = mixerSetControlDetails(mixer, ref mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
Marshal.FreeCoTaskMem(mxcd.paDetails);
if(retval != MMSYSERR_NOERROR)
return false;
if(!GetUnsigned(mixer, ctrl, out current_val))
return false;
if(current_val == num)
return true;
else
return false;
}
private static int GetVolume_RealtekHDaudio(int mixerID, int dst_type, int src_type) // yt7pwr
{
if (mixerID > mixerGetNumDevs() - 1 ||
mixerID < 0)
return -1;
int mixer;
int val;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if (retval != MMSYSERR_NOERROR)
return -1;
bool success = GetControlByID(mixer, dst_type, src_type, MIXERCONTROL_CONTROLTYPE_VOLUME, out volCtrl);
if (success == true)
{
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int sizeofMIXERCONTROLDETAILS = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_UNSIGNED = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
details.cbStruct = sizeofMIXERCONTROLDETAILS;
details.dwControlID = volCtrl.dwControlID;
details.paDetails = Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
details.cChannels = 1;
details.item = 0;
details.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
retval = mixerGetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if (retval == MMSYSERR_NOERROR)
{
MIXERCONTROLDETAILS_UNSIGNED du = (MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(details.paDetails, typeof(MIXERCONTROLDETAILS_UNSIGNED));
val = du.dwValue;
}
else val = -1;
Marshal.FreeCoTaskMem(details.paDetails);
}
else val = -1;
mixerClose(mixer);
return val;
}
public static bool InitRealtekHDaudioPlay(int mixerID) // yt7pwr
{
try
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if (retval != MMSYSERR_NOERROR)
return false;
MIXERCONTROL ctrl = new MIXERCONTROL();
// set Playback Wave Volume to max
bool success = GetControlByType(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS,
4104, MIXERCONTROL_CONTROLTYPE_MUX, out ctrl);
if (!success)
goto failed;
if (!SetUnsigned(mixer, ctrl, ctrl.lMaximum))
goto failed;
mixerClose(mixer);
return true;
failed:
mixerClose(mixer);
return false;
}
catch (Exception ex)
{
Debug.Write(ex.ToString());
return false;
}
}
public static bool InitRealtekHDaudioRecord(int mixerID, int record_level) // yt7pwr
{
try
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if (retval != MMSYSERR_NOERROR)
return false;
// turn Main Mute Off
MIXERCONTROL ctrl = new MIXERCONTROL();
bool success = false;
int i;
for (i = -1; i < 4; i++)
{
success = GetControlByID(mixer, 0, i, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if (success)
{
if (ctrl.szName.Contains("Master Mute"))
{
if (!SetBool(mixer, ctrl, false))
goto failed;
}
// turn CD volume Mute off
else if (ctrl.szName.Contains("CD Volume"))
{
if (!SetBool(mixer, ctrl, true))
goto failed;
}
// turn Line volume Mute on
else if (ctrl.szName.Contains("Line Volume"))
{
if (!SetBool(mixer, ctrl, false))
goto failed;
}
// turn Mic Mute Off
else if (ctrl.szName.Contains("Mic Volume"))
{
if (!SetBool(mixer, ctrl, true))
goto failed;
}
// turn Stereo Mix Mute on
else if (ctrl.szName.Contains("Stereo Mix"))
{
if (!SetBool(mixer, ctrl, true))
goto failed;
}
}
}
// set Record Main Volume to max
success = GetControlByID(mixer, 0, -1, MIXERCONTROL_CONTROLTYPE_VOLUME, out ctrl);
if (!success && ctrl.szName.Contains("Recording"))
goto failed;
if (!SetUnsigned(mixer, ctrl, UInt16.MaxValue * record_level / 100))
goto failed;
mixerClose(mixer);
return true;
failed:
mixerClose(mixer);
return false;
}
catch (Exception ex)
{
Debug.Write(ex.ToString());
return false;
}
}
private static bool SetBool(int mixer, MIXERCONTROL ctrl, bool b)
{
bool current;
if(!GetBool(mixer, ctrl, out current))
return false;
if(current == b)
return true;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED val = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = ctrl.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(val);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
if(b) val.dwValue = 1;
else val.dwValue = 0;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(val));
Marshal.StructureToPtr(val, mxcd.paDetails, false);
// Set the control value
int retval = mixerSetControlDetails(mixer, ref mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
if(retval != MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(mxcd.paDetails);
return false;
}
Marshal.FreeCoTaskMem(mxcd.paDetails);
if(!GetBool(mixer, ctrl, out current))
return false;
if(current != b)
return false;
else return true;
}
protected static bool GetMuteControl(int hmixer, int componentType, int ctrlType, out MIXERCONTROL mxc, out bool vCurrentMute)
{
// This function attempts to obtain a mixer control.
// Returns True if successful.
MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();
MIXERLINE mxl = new MIXERLINE();
MIXERCONTROLDETAILS pmxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_BOOLEAN du = new MIXERCONTROLDETAILS_BOOLEAN();
mxc = new MIXERCONTROL();
int rc;
bool retValue;
vCurrentMute = false;
mxl.cbStruct = Marshal.SizeOf(mxl);
mxl.dwComponentType = componentType;
rc = mixerGetLineInfoA(hmixer, ref mxl, MIXER_GETLINEINFOF_COMPONENTTYPE);
if (MMSYSERR_NOERROR == rc)
{
int sizeofMIXERCONTROL = 152;
int ctrl = Marshal.SizeOf(typeof(MIXERCONTROL));
mxlc.pamxctrl = Marshal.AllocCoTaskMem(sizeofMIXERCONTROL);
mxlc.cbStruct = Marshal.SizeOf(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControl = ctrlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeofMIXERCONTROL;
// Allocate a buffer for the control
mxc.cbStruct = sizeofMIXERCONTROL;
// Get the control
rc = mixerGetLineControlsA(hmixer, ref mxlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if (MMSYSERR_NOERROR == rc)
{
retValue = true;
// Copy the control into the destination structure
mxc = (MIXERCONTROL)Marshal.PtrToStructure(
mxlc.pamxctrl, typeof(MIXERCONTROL));
}
else
{
retValue = false;
}
int sizeofMIXERCONTROLDETAILS = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_BOOLEAN = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_BOOLEAN));
pmxcd.cbStruct = sizeofMIXERCONTROLDETAILS;
pmxcd.dwControlID = mxc.dwControlID;
pmxcd.paDetails = Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_BOOLEAN);
pmxcd.cChannels = 1;
pmxcd.item = 0;
pmxcd.cbDetails = sizeofMIXERCONTROLDETAILS_BOOLEAN;
rc = mixerGetControlDetailsA(hmixer, ref pmxcd, MIXER_GETCONTROLDETAILSF_VALUE);
du = (MIXERCONTROLDETAILS_BOOLEAN)Marshal.PtrToStructure(pmxcd.paDetails, typeof(MIXERCONTROLDETAILS_BOOLEAN));
vCurrentMute = (du.fValue != 0);
return(retValue);
}
retValue = false;
return(retValue);
}
private static bool GetUnsigned(int mixer, MIXERCONTROL ctrl, out int num)
{
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
num = 0;
int sizeofMIXERCONTROLDETAILS = Marshal.SizeOf(mxcd);
int sizeofMIXERCONTROLDETAILS_UNSIGNED = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
mxcd.cbStruct = sizeofMIXERCONTROLDETAILS;
mxcd.dwControlID = ctrl.dwControlID;
mxcd.paDetails = Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
mxcd.cChannels = 1;
mxcd.item = 0;
mxcd.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
int retval = mixerGetControlDetails(mixer, ref mxcd, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval != MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(mxcd.paDetails);
return false;
}
MIXERCONTROLDETAILS_UNSIGNED du =
(MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(mxcd.paDetails, typeof(MIXERCONTROLDETAILS_UNSIGNED));
num = du.dwValue;
Marshal.FreeCoTaskMem(mxcd.paDetails);
return true;
}
internal BooleanMixerControl(Mixer mx, MixerLine ml, MIXERCONTROL mc) : base(mx, ml, mc)
{
}
private static bool SetMute(int mixerID, uint dst_type, uint src_type, bool val)
{
int mixer;
MIXERCONTROL muteCtrl = new MIXERCONTROL();
bool currentMute = GetMute(mixerID, dst_type, src_type);
if(currentMute == val) return true;
mixerOpen(out mixer, mixerID, 0, 0, 0);
bool success = GetControlByType(mixer, dst_type, src_type, MIXERCONTROL_CONTROLTYPE_MUTE, out muteCtrl);
if(success == true)
{
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED mute = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = muteCtrl.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(mute);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
if(val) mute.dwValue = 1;
else mute.dwValue = 0;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(mute, mxcd.paDetails,false);
// Set the control value
int retval = mixerSetControlDetails(mixer, ref mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
{
currentMute = GetMute(mixerID, dst_type, src_type);
if(currentMute != val)
success = false;
else success = true;
}
else success = false;
Marshal.FreeCoTaskMem(mxcd.paDetails);
}
else success = false;
mixerClose(mixer);
return success;
}
public static int GetVolume( int control, int component ) // GetVolume
{
int hmixer = 0;
int currVol = -1;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int rc = mixerOpen(
out hmixer,
0,
0,
0,
0);
bool b = GetMixerControl(
hmixer,
component,
control,
out volCtrl, // Not used
out currVol);
mixerClose(hmixer);
return currVol;
}
internal FaderMixerControl(Mixer mx, MixerLine ml, MIXERCONTROL mc) : base(mx, ml, mc)
{
}
public static int GetControlID( int component, int control ) // GetControlID
{
MIXERCONTROL mxc = new MIXERCONTROL();
int _i; // Though we won't need _i, it still must be declared
bool b = false;
int retValue = 0;
b = GetMixerControl(
0,
component,
control,
out mxc,
out _i);
return retValue = b ? mxc.dwControlID : -1;
}
private static MixerControl GetControl(Mixer mx, MixerLine ml, MIXERCONTROL mc)
{
MixerControl result = new MixerControl(mx, ml, mc);
if (result.Class == MixerControlClass.FADER && ((uint)result.ControlType & MIXERCONTROL_CT_UNITS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_UNITS_UNSIGNED)
{
result = new FaderMixerControl(mx, ml, mc);
}
else if (result.Class == MixerControlClass.SWITCH && ((uint)result.ControlType & MIXERCONTROL_CT_SUBCLASS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_SC_SWITCH_BOOLEAN && ((uint)result.ControlType & MIXERCONTROL_CT_UNITS_MASK) == (uint)MixerControlType.MIXERCONTROL_CT_UNITS_BOOLEAN)
{
result = new BooleanMixerControl(mx, ml, mc);
}
return result;
}
private static bool GetVolumeControl(int hmixer, int componentType, int ctrlType, out MIXERCONTROL mxc,
out int vCurrentVol)
{
// This function attempts to obtain a mixer control.
// Returns True if successful.
MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();
MIXERLINE mxl = new MIXERLINE();
MIXERCONTROLDETAILS pmxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED du = new MIXERCONTROLDETAILS_UNSIGNED();
mxc = new MIXERCONTROL();
int rc;
bool retValue;
vCurrentVol = -1;
mxl.cbStruct = Marshal.SizeOf(mxl);
mxl.dwComponentType = componentType;
rc = mixerGetLineInfoA(hmixer, ref mxl, MIXER_GETLINEINFOF_COMPONENTTYPE);
if (MMSYSERR_NOERROR == rc)
{
int sizeofMIXERCONTROL = 152;
int ctrl = Marshal.SizeOf(typeof (MIXERCONTROL));
mxlc.pamxctrl = Marshal.AllocCoTaskMem(sizeofMIXERCONTROL);
mxlc.cbStruct = Marshal.SizeOf(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControl = ctrlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeofMIXERCONTROL;
// Allocate a buffer for the control
mxc.cbStruct = sizeofMIXERCONTROL;
// Get the control
rc = mixerGetLineControlsA(hmixer, ref mxlc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if (MMSYSERR_NOERROR == rc)
{
retValue = true;
// Copy the control into the destination structure
mxc = (MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl, typeof (MIXERCONTROL));
}
else
{
retValue = false;
}
int sizeofMIXERCONTROLDETAILS = Marshal.SizeOf(typeof (MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_UNSIGNED = Marshal.SizeOf(typeof (MIXERCONTROLDETAILS_UNSIGNED));
pmxcd.cbStruct = sizeofMIXERCONTROLDETAILS;
pmxcd.dwControlID = mxc.dwControlID;
pmxcd.paDetails =
Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
pmxcd.cChannels = 1;
pmxcd.item = 0;
pmxcd.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
rc = mixerGetControlDetailsA(hmixer, ref pmxcd, MIXER_GETCONTROLDETAILSF_VALUE);
du =
(MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(pmxcd.paDetails, typeof (MIXERCONTROLDETAILS_UNSIGNED));
vCurrentVol = du.dwValue;
return retValue;
}
retValue = false;
return retValue;
}
public static int GetNumMuxLines(int mixerID)
{
int mixer;
MIXERCONTROL ctrl = new MIXERCONTROL();
mixerOpen(out mixer, mixerID, 0, 0, 0);
bool response = GetControlByType(mixer, MIXERLINE_COMPONENTTYPE_DST_WAVEIN, 0, MIXERCONTROL_CONTROLTYPE_MUX, out ctrl);
mixerClose(mixer);
if(response)
return ctrl.cMultipleItems;
else
return -1;
}
public static void Mute(bool mute)
{
// Check if this is vista or XP
if (System.Environment.OSVersion.Version.Major >= 6)
{
EndpointVolume epVol = new EndpointVolume();
epVol.Mute = mute;
epVol.Dispose();
}
else
{
int mixerID = 0;
if (mixerOpen(out mixerID, 0, 0, 0, 0) == MMSYSERR_NOERROR)
{
MIXERLINE line = new MIXERLINE();
line.cbStruct = Marshal.SizeOf(line);
line.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
if (mixerGetLineInfoA(mixerID, ref line, MIXER_GETLINEINFOF_COMPONENTTYPE) == MMSYSERR_NOERROR)
{
int sizeofMIXERCONTROL = 152;
MIXERCONTROL mixerControl = new MIXERCONTROL();
MIXERLINECONTROLS lineControl = new MIXERLINECONTROLS();
lineControl.pamxctrl = Marshal.AllocCoTaskMem(sizeofMIXERCONTROL);
lineControl.cbStruct = Marshal.SizeOf(lineControl);
lineControl.dwLineID = line.dwLineID;
lineControl.dwControl = MIXERCONTROL_CONTROLTYPE_MUTE;
lineControl.cControls = 1;
lineControl.cbmxctrl = sizeofMIXERCONTROL;
mixerControl.cbStruct = sizeofMIXERCONTROL;
if (mixerGetLineControlsA(mixerID, ref lineControl, MIXER_GETLINECONTROLSF_ONEBYTYPE) == MMSYSERR_NOERROR)
{
mixerControl = (MIXERCONTROL)Marshal.PtrToStructure(lineControl.pamxctrl, typeof(MIXERCONTROL));
MIXERCONTROLDETAILS controlDetails = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_BOOLEAN muteValue = new MIXERCONTROLDETAILS_BOOLEAN();
controlDetails.item = 0;
controlDetails.dwControlID = mixerControl.dwControlID;
controlDetails.cbStruct = Marshal.SizeOf(controlDetails);
controlDetails.cbDetails = Marshal.SizeOf(muteValue);
controlDetails.cChannels = 1;
muteValue.dwValue = Convert.ToInt32(mute);
controlDetails.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(muteValue));
Marshal.StructureToPtr(muteValue, controlDetails.paDetails, false);
int rc = mixerSetControlDetails(mixerID, ref controlDetails, MIXER_SETCONTROLDETAILSF_VALUE);
Marshal.FreeCoTaskMem(controlDetails.paDetails);
Marshal.FreeCoTaskMem(lineControl.pamxctrl);
}
}
}
}
}
public static bool GetMuxLineNames(int mixerID, out ArrayList a)
{
int mixer;
MIXERCONTROL ctrl = new MIXERCONTROL();
a = new ArrayList();
mixerOpen(out mixer, mixerID, 0, 0, 0);
GetControlByType(mixer, MIXERLINE_COMPONENTTYPE_DST_WAVEIN, 0, MIXERCONTROL_CONTROLTYPE_MUX, out ctrl);
int n = ctrl.cMultipleItems;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.dwControlID = ctrl.dwControlID; // <== MIXERCONTROL.dwControlID
mxcd.cChannels = 1;
mxcd.item = n; // <== MIXERCONTROL.cMultipleItems
int size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_LISTTEXT))*n;
mxcd.cbDetails = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_LISTTEXT));
mxcd.paDetails = Marshal.AllocCoTaskMem(size);
int result = mixerGetControlDetails(mixer, ref mxcd, MIXER_GETCONTROLDETAILSF_LISTTEXT);
if(result != MMSYSERR_NOERROR)
{
mixerClose(mixer);
return false;
}
for(int i=0; i<mxcd.item; i++)
{
MIXERCONTROLDETAILS_LISTTEXT ltxt = new MIXERCONTROLDETAILS_LISTTEXT();
IntPtr ptr = new IntPtr(mxcd.paDetails.ToInt32() + i*mxcd.cbDetails);
ltxt = (MIXERCONTROLDETAILS_LISTTEXT)Marshal.PtrToStructure(ptr, typeof(MIXERCONTROLDETAILS_LISTTEXT));
a.Add(ltxt.szName);
}
mixerClose(mixer);
return true;
}
public static int GetMux(int mixerID)
{
int mixer;
MIXERCONTROL ctrl = new MIXERCONTROL();
mixerOpen(out mixer, mixerID, 0, 0, 0);
GetControlByType(mixer, MIXERLINE_COMPONENTTYPE_DST_WAVEIN, 0, MIXERCONTROL_CONTROLTYPE_MUX, out ctrl);
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
details.dwControlID = ctrl.dwControlID;
details.item = ctrl.cMultipleItems;
details.cbDetails = size;
if(details.item > 0) size *= ctrl.cMultipleItems;
details.paDetails = Marshal.AllocCoTaskMem(size);
details.cbStruct = Marshal.SizeOf(details);
details.cChannels = 1;
int retval = mixerGetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
if(retval == MMSYSERR_NOERROR)
{
if(details.item > 0)
{
MIXERCONTROLDETAILS_UNSIGNED[] val = new MIXERCONTROLDETAILS_UNSIGNED[details.item];
for(int m=0; m<details.item; m++)
{
IntPtr ptr = new IntPtr(details.paDetails.ToInt32() + m*details.cbDetails);
val[m] = new MIXERCONTROLDETAILS_UNSIGNED();
val[m] = (MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(ptr, typeof(MIXERCONTROLDETAILS_UNSIGNED));
if(val[m].dwValue == 1)
{
retval = m;
m = details.item;
}
}
}
}
mixerClose(mixer);
return retval;
}
// This function attempts to obtain a specified mixer control/component pair -
// returns true if successful.
private static bool GetMixerControl( // GetMixerControl
int hmixer,
int component,
int control,
out MIXERCONTROL mxc,
out int vCurrentVol)
{
bool retValue = false;
mxc = new MIXERCONTROL();
MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();
MIXERLINE mxl = new MIXERLINE();
MIXERCONTROLDETAILS pmxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED du = new MIXERCONTROLDETAILS_UNSIGNED();
vCurrentVol = -1; // A dummy value
mxl.cbStruct = Marshal.SizeOf(mxl);
mxl.dwComponentType = component;
int rc = mixerGetLineInfoA(
hmixer,
ref mxl,
MIXER_GETLINEINFOF_COMPONENTTYPE);
if (MMSYSERR_NOERROR == rc)
{
int sizeofMIXERCONTROL = 152;
int ctrl = Marshal.SizeOf(typeof(MIXERCONTROL));
mxlc.pamxctrl = Marshal.AllocCoTaskMem(sizeofMIXERCONTROL);
mxlc.cbStruct = Marshal.SizeOf(mxlc);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControl = control;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeofMIXERCONTROL;
// Allocate a buffer for the control
mxc.cbStruct = sizeofMIXERCONTROL;
// Get the control
rc = mixerGetLineControlsA(
hmixer,
ref mxlc,
MIXER_GETLINECONTROLSF_ONEBYTYPE);
if (MMSYSERR_NOERROR == rc)
{
retValue = true;
// Copy the control into the destination structure
mxc = (MIXERCONTROL)Marshal.PtrToStructure(
mxlc.pamxctrl,
typeof(MIXERCONTROL));
}
int sizeofMIXERCONTROLDETAILS =
Marshal.SizeOf(typeof(MIXERCONTROLDETAILS));
int sizeofMIXERCONTROLDETAILS_UNSIGNED =
Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_UNSIGNED));
pmxcd.cbStruct = sizeofMIXERCONTROLDETAILS;
pmxcd.dwControlID = mxc.dwControlID;
pmxcd.paDetails = Marshal.AllocCoTaskMem(sizeofMIXERCONTROLDETAILS_UNSIGNED);
pmxcd.cChannels = 1;
pmxcd.item = 0;
pmxcd.cbDetails = sizeofMIXERCONTROLDETAILS_UNSIGNED;
rc = mixerGetControlDetailsA(
hmixer,
ref pmxcd,
MIXER_GETCONTROLDETAILSF_VALUE);
du = (MIXERCONTROLDETAILS_UNSIGNED)Marshal.PtrToStructure(
pmxcd.paDetails,
typeof(MIXERCONTROLDETAILS_UNSIGNED));
vCurrentVol = du.dwValue;
return(retValue); // true
}
return(retValue); // false
}
public static bool SetMux(int mixerID, int index)
{
int mixer;
int retval = -1;
MIXERCONTROL ctrl = new MIXERCONTROL();
mixerOpen(out mixer, mixerID, 0, 0, 0);
GetControlByType(mixer,MIXERLINE_COMPONENTTYPE_DST_WAVEIN, 0, MIXERCONTROL_CONTROLTYPE_MUX, out ctrl);
MIXERCONTROLDETAILS details = new MIXERCONTROLDETAILS();
int size = Marshal.SizeOf(typeof(MIXERCONTROLDETAILS_SIGNED));
details.dwControlID = ctrl.dwControlID;
details.cbDetails = size;
details.item = ctrl.cMultipleItems;
if(details.item > 0) size *= details.item;
details.paDetails = Marshal.AllocCoTaskMem(size);
details.cbStruct = Marshal.SizeOf(details);
details.cChannels = 1;
if(details.item > 0)
{
int[] val = new int[details.item];
for(int m=0; m<details.item; m++)
{
if(m == index) val[m] = 1;
else val[m] = 0;
}
Marshal.Copy(val, 0, details.paDetails, details.item);
retval = mixerSetControlDetails(mixer, ref details, MIXER_GETCONTROLDETAILSF_VALUE);
}
if(retval == MMSYSERR_NOERROR)
return true;
else return false;
}
public static void SetVolume( int control, int component, int newVol ) // SetVolume
{
int hmixer = 0;
int currentVol;
MIXERCONTROL volCtrl = new MIXERCONTROL();
mixerOpen(
out hmixer,
0,
0,
0,
0);
GetMixerControl(
hmixer,
component,
control,
out volCtrl,
out currentVol); // Not used
SetVolumeControl(hmixer, volCtrl, newVol);
mixerClose(hmixer);
}
public static bool InitSantaCruz(int mixerID)
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if(retval != MMSYSERR_NOERROR)
return false;
// Set Playback Wave Volume to max
MIXERCONTROL ctrl = new MIXERCONTROL();
bool success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_VOLUME, out ctrl);
if(!success)
goto failed;
if(!SetUnsigned(mixer, ctrl, ctrl.lMaximum))
goto failed;
// Set Playback Wave Mute to off
success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// Set Playback Synthesizer Mute to on
success = GetControlByID(mixer, 0, 1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback Aux Mute to on
success = GetControlByID(mixer, 0, 2, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback CD Player Mute to on
success = GetControlByID(mixer, 0, 3, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback Line In Mute to on
success = GetControlByID(mixer, 0, 4, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback Synth Daughter Card Mute to on
success = GetControlByID(mixer, 0, 5, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback Microphone Mute to on
success = GetControlByID(mixer, 0, 6, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set Playback Telephone Mute to on
success = GetControlByID(mixer, 0, 7, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Set 5.1 Emulation Mute to on
success = GetControlByID(mixer, 2, 3, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Disable equalizer
success = GetControlByID(mixer, 3, -1, MIXERCONTROL_CONTROLTYPE_ONOFF, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// Disable effects 1 channel
success = GetControlByID(mixer, 6, -1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// Disable effects 2 channel
success = GetControlByID(mixer, 7, -1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
mixerClose(mixer);
return true;
failed:
mixerClose(mixer);
return false;
}
internal static MixerControl[] GetControls(Mixer mx, MixerLine line, int controlCount)
{
if (controlCount == 0) return new MixerControl[0];
MIXERCONTROL[] mc = new MIXERCONTROL[controlCount];
int mxsize = Marshal.SizeOf(mc[0]);
if (mxsize != 148) throw new Exception("" + mxsize);
//mxsize = 148;
MIXERLINECONTROLS mlc = new MIXERLINECONTROLS();
mlc.cbStruct = Marshal.SizeOf(mlc);
mlc.cControls = controlCount;
mlc.dwLineID = line.Id;
mlc.pamxctrl = Marshal.AllocCoTaskMem(mxsize * controlCount);
mlc.cbmxctrl = mxsize;
int err;
if ((err = mixerGetLineControlsA(mx.Handle, ref mlc, MIXER_GETLINECONTROLSF_ALL)) != 0)
{
throw new Win32Exception("Error #" + err + " calling mixerGetLineControls()\n");
}
for (int i = 0; i < controlCount; i++)
{
mc[i] = (MIXERCONTROL)Marshal.PtrToStructure(new IntPtr(mlc.pamxctrl.ToInt64() + mxsize * i), typeof(MIXERCONTROL));
}
Marshal.FreeCoTaskMem(mlc.pamxctrl);
MixerControl[] result = new MixerControl[controlCount];
for (int i = 0; i < controlCount; i++)
{
result[i] = GetControl(mx, line, mc[i]);
}
return result;
}
public static bool InitAudigy2(int mixerID)
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if(retval != MMSYSERR_NOERROR)
return false;
// turn Monitor Without Recording on
MIXERCONTROL ctrl = new MIXERCONTROL();
bool success = GetControlByID(mixer, 1, 4, MIXERCONTROL_CONTROLTYPE_ONOFF, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Wave Mute off
success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// turn Playback Midi Synth Mute on
success = GetControlByID(mixer, 0, 1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback S/PDIF-In Mute on
success = GetControlByID(mixer, 0, 2, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback CD Digital Mute on
success = GetControlByID(mixer, 0, 3, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Auxiliary Mute on
success = GetControlByID(mixer, 0, 4, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback CD Audio Mute on
success = GetControlByID(mixer, 0, 5, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Line In Mute off
success = GetControlByID(mixer, 0, 6, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// turn Playback TAD-In Mute on
success = GetControlByID(mixer, 0, 7, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Microphone Mute on
success = GetControlByID(mixer, 0, 8, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Main Mute off
success = GetControlByID(mixer, 0, -1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// turn Playback Wave Volume to Max
success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_VOLUME, out ctrl);
if(!success)
goto failed;
if(!SetUnsigned(mixer, ctrl, ctrl.lMaximum))
goto failed;
mixerClose(mixer);
return true;
failed:
mixerClose(mixer);
return false;
}
internal MixerControl(Mixer mx, MixerLine ml, MIXERCONTROL ctrl)
{
this.mx = mx;
this.ml = ml;
this.ctrl = ctrl;
}
public static bool InitMP3Plus(int mixerID)
{
int mixer;
int retval = -1;
retval = mixerOpen(out mixer, mixerID, 0, 0, 0);
if(retval != MMSYSERR_NOERROR)
return false;
// turn Playback Wave Volume to max
MIXERCONTROL ctrl = new MIXERCONTROL();
bool success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_VOLUME, out ctrl);
if(!success)
goto failed;
if(!SetUnsigned(mixer, ctrl, ctrl.lMaximum))
goto failed;
// turn Playback Wave Mute off
success = GetControlByID(mixer, 0, 0, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, false))
goto failed;
// turn Playback Midi Mute on
success = GetControlByID(mixer, 0, 1, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Microphone Mute on
success = GetControlByID(mixer, 0, 2, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback Line In Mute on
success = GetControlByID(mixer, 0, 3, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
// turn Playback CD Audio Mute on
success = GetControlByID(mixer, 0, 4, MIXERCONTROL_CONTROLTYPE_MUTE, out ctrl);
if(!success)
goto failed;
if(!SetBool(mixer, ctrl, true))
goto failed;
mixerClose(mixer);
return true;
failed:
mixerClose(mixer);
return false;
}
private static bool SetVolumeControl(int hmixer, MIXERCONTROL mxc, int volume)
{
// This function sets the value for a volume control.
// Returns True if successful
bool retValue;
int rc;
MIXERCONTROLDETAILS mxcd = new MIXERCONTROLDETAILS();
MIXERCONTROLDETAILS_UNSIGNED vol = new MIXERCONTROLDETAILS_UNSIGNED();
mxcd.item = 0;
mxcd.dwControlID = mxc.dwControlID;
mxcd.cbStruct = Marshal.SizeOf(mxcd);
mxcd.cbDetails = Marshal.SizeOf(vol);
// Allocate a buffer for the control value buffer
mxcd.cChannels = 1;
vol.dwValue = volume;
// Copy the data into the control value buffer
mxcd.paDetails = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof (MIXERCONTROLDETAILS_UNSIGNED)));
Marshal.StructureToPtr(vol, mxcd.paDetails, false);
// Set the control value
rc = mixerSetControlDetails(hmixer, ref mxcd, MIXER_SETCONTROLDETAILSF_VALUE);
if (MMSYSERR_NOERROR == rc)
{
retValue = true;
}
else
{
retValue = false;
}
return retValue;
}
private static bool GetControlByID(int mixer, int dst_id, int src_id, uint ctrl_type, out MIXERCONTROL outCtrl)
{
outCtrl = new MIXERCONTROL();
MIXERLINE dst_line = new MIXERLINE();
dst_line.cbStruct = Marshal.SizeOf(dst_line);
dst_line.dwDestination = dst_id;
int retval = mixerGetLineInfo(mixer, ref dst_line, MIXER_GETLINEINFOF_DESTINATION);
if(retval != MMSYSERR_NOERROR)
return false;
if(src_id < 0)
{
MIXERLINECONTROLS dst_lc = new MIXERLINECONTROLS();
int mcSize = 152;
dst_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
dst_lc.cbStruct = Marshal.SizeOf(dst_lc);
dst_lc.dwLineID = dst_line.dwLineID;
dst_lc.dwControl = ctrl_type;
dst_lc.cControls = 1;
dst_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref dst_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval != MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(dst_lc.pamxctrl);
return false;
}
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(dst_lc.pamxctrl, typeof(MIXERCONTROL));
outCtrl = ctrl;
Marshal.FreeCoTaskMem(dst_lc.pamxctrl);
return true;
}
else
{
MIXERLINE src_line = new MIXERLINE();
src_line.cbStruct = dst_line.cbStruct;
src_line.dwDestination = dst_line.dwDestination;
src_line.dwSource = src_id;
retval = mixerGetLineInfo(mixer, ref src_line, MIXER_GETLINEINFOF_SOURCE);
if(retval != MMSYSERR_NOERROR)
return false;
MIXERLINECONTROLS src_lc = new MIXERLINECONTROLS();
int mcSize = 152;
src_lc.pamxctrl = Marshal.AllocCoTaskMem(mcSize);
src_lc.cbStruct = Marshal.SizeOf(src_lc);
src_lc.dwLineID = src_line.dwLineID;
src_lc.dwControl = ctrl_type;
src_lc.cControls = 1;
src_lc.cbmxctrl = mcSize;
// Get the control
retval = mixerGetLineControls(mixer, ref src_lc, MIXER_GETLINECONTROLSF_ONEBYTYPE);
if(retval != MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(src_lc.pamxctrl);
return false;
}
MIXERCONTROL ctrl = new MIXERCONTROL();
ctrl.cbStruct = mcSize;
// Copy the control into the destination structure
ctrl = (MIXERCONTROL)Marshal.PtrToStructure(src_lc.pamxctrl, typeof(MIXERCONTROL));
outCtrl = ctrl;
Marshal.FreeCoTaskMem(src_lc.pamxctrl);
return true;
}
}
public static void SetVolume(int vVolume)
{
int mixer;
MIXERCONTROL volCtrl = new MIXERCONTROL();
int currentVol;
mixerOpen(out mixer, 0, 0, 0, 0);
int type = MIXERCONTROL_CONTROLTYPE_VOLUME;
GetVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
if (vVolume > volCtrl.lMaximum) vVolume = volCtrl.lMaximum;
if (vVolume < volCtrl.lMinimum) vVolume = volCtrl.lMinimum;
SetVolumeControl(mixer, volCtrl, vVolume);
GetVolumeControl(mixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, type, out volCtrl, out currentVol);
if (vVolume != currentVol)
{
throw new Exception("Cannot Set Volume");
}
mixerClose(mixer);
}
public MixerAPI()
{
_hMixer = new IntPtr();
uint mmresult = mixerOpen(ref _hMixer, 0, IntPtr.Zero, IntPtr.Zero, MIXER_OBJECTF.MIXER);
if (mmresult != (uint)MMRESULT.MMSYSERR_NOERROR)
{
throw new MixerException("mixerOpen:", mmresult);
}
MIXERLINE lineInfo = new MIXERLINE();
lineInfo.StructSize = (uint)Marshal.SizeOf(new MIXERLINE());
lineInfo.ComponentType = (uint)MIXERLINE_COMPONENTTYPE.SRC_WAVEOUT;
//volInfo.ComponentType =(uint)MIXERLINE_COMPONENTTYPE.DST_SPEAKERS;
mmresult = mixerGetLineInfo(_hMixer, ref lineInfo, MIXER_OBJECTF.HMIXER
, MIXER_GETLINEINFOF.COMPONENTTYPE);
IntPtr ctlPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(new MIXERCONTROL()));
MIXERLINECONTROLS ctlParam = new MIXERLINECONTROLS();
ctlParam.StructSize = (uint)Marshal.SizeOf(new MIXERLINECONTROLS());
ctlParam.LineID = lineInfo.dwLineID;
ctlParam.ControlType = MIXERCONTROL_CONTROLTYPE.MUTE;
ctlParam.Controls = 1;
ctlParam.MixerControlItemSize = (uint)Marshal.SizeOf(new MIXERCONTROL());
ctlParam.MixerControlArray = ctlPtr;
mmresult = mixerGetLineControls(_hMixer, ref ctlParam, MIXER_OBJECTF.HMIXER
, MIXER_GETLINECONTROLSF.ONEBYTYPE);
if (mmresult != (uint)MMRESULT.MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(ctlPtr);
throw new MixerException("mixerGetLineControls", mmresult);
}
MIXERCONTROL muteCtrl = (MIXERCONTROL)Marshal.PtrToStructure(ctlPtr, typeof(MIXERCONTROL));
_muteID = muteCtrl.ControlID;
ctlParam.ControlType = MIXERCONTROL_CONTROLTYPE.VOLUME;
//他の値は再利用。まだMarshal.FreeCoTaskMemを呼んではいけない
mmresult = mixerGetLineControls(_hMixer, ref ctlParam, MIXER_OBJECTF.HMIXER
, MIXER_GETLINECONTROLSF.ONEBYTYPE);
if (mmresult != (uint)MMRESULT.MMSYSERR_NOERROR)
{
Marshal.FreeCoTaskMem(ctlPtr);
throw new MixerException("mixerGetLineControls", mmresult);
}
MIXERCONTROL volCtrl = (MIXERCONTROL)Marshal.PtrToStructure(ctlPtr, typeof(MIXERCONTROL));
Marshal.FreeCoTaskMem(ctlPtr);
_volumeID = volCtrl.ControlID;
_volMax = volCtrl.Bounds.UnsignedMaximum;
_volMin = volCtrl.Bounds.UnsignedMinimum;
Debug.WriteLine(string.Format("MixerAPI constructor muteID:{0} volID:{1} volMan:{2} volMin:{3}",
_muteID, _volumeID, _volMax, _volMin));
}
