def GetControls(self, hmixer, mixerline):
numCtrls = mixerline.cControls
if numCtrls == 0:
return []
mixerControlArray = (MIXERCONTROL * numCtrls)()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = numCtrls
mixerLineControls.dwLineID = mixerline.dwLineID
mixerLineControls.pamxctrl = pointer(mixerControlArray[0])
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
mixerGetLineControls(hmixer, byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ALL)
result = []
for i in range(numCtrls):
mixerControl = mixerControlArray[i]
dwControlType = mixerControl.dwControlType
controlClass = MIXER_CONTROL_CLASSES[dwControlType
& MIXERCONTROL_CT_CLASS_MASK]
controlClassTypeName = controlClass["types"][dwControlType]
flagNames = []
fdwControl = mixerControl.fdwControl
if fdwControl & MIXERCONTROL_CONTROLF_DISABLED:
flagNames.append("Disabled")
if fdwControl & MIXERCONTROL_CONTROLF_MULTIPLE:
flagNames.append("Multiple(%i)" % mixerControl.cMultipleItems)
if fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
flagNames.append("Uniform")
result.append((mixerControl.dwControlID, mixerControl.szName,
controlClass["name"], controlClassTypeName,
", ".join(flagNames)))
return result
def GetControls(hmixer, mixerline):
numCtrls = mixerline.cControls
if numCtrls == 0:
return []
mixerControlArray = (MIXERCONTROL * numCtrls)()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = numCtrls
mixerLineControls.dwLineID = mixerline.dwLineID
mixerLineControls.pamxctrl = pointer(mixerControlArray[0])
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
mixerGetLineControls(hmixer, byref(mixerLineControls), MIXER_GETLINECONTROLSF_ALL)
result = []
for i in range(numCtrls):
mixerControl = mixerControlArray[i]
dwControlType = mixerControl.dwControlType
controlClass = MIXER_CONTROL_CLASSES[dwControlType & MIXERCONTROL_CT_CLASS_MASK]
controlClassTypeName = controlClass["types"][dwControlType]
flagNames = []
fdwControl = mixerControl.fdwControl
if fdwControl & MIXERCONTROL_CONTROLF_DISABLED:
flagNames.append("Disabled")
if fdwControl & MIXERCONTROL_CONTROLF_MULTIPLE:
flagNames.append("Multiple(%i)" % mixerControl.cMultipleItems)
if fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
flagNames.append("Uniform")
result.append((mixerControl.szName, controlClass["name"], controlClassTypeName, ", ".join(flagNames)))
return result
def GetControl(self, mixer, controlId):
mixerControl = MIXERCONTROL()
mixerControl.cbStruct = sizeof(MIXERCONTROL)
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.dwControlID = controlId
mixerLineControls.cControls = 1
mixerLineControls.cbmxctrl = sizeof(mixerControl)
mixerLineControls.pamxctrl = pointer(mixerControl)
rc = mixerGetLineControls(mixer, byref(mixerLineControls), 1) # MIXER_GETLINECONTROLSF_ONEBYID
if MMSYSERR_NOERROR != rc:
raise SoundMixerException()
return mixerControl
def GetControl(self, mixer, controlId):
mixerControl = MIXERCONTROL()
mixerControl.cbStruct = sizeof(MIXERCONTROL)
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.dwControlID = controlId
mixerLineControls.cControls = 1
mixerLineControls.cbmxctrl = sizeof(mixerControl)
mixerLineControls.pamxctrl = pointer(mixerControl)
rc = mixerGetLineControls(mixer, byref(mixerLineControls), 1) #MIXER_GETLINECONTROLSF_ONEBYID
if MMSYSERR_NOERROR != rc:
raise SoundMixerException()
return mixerControl
def GetMixerControl(componentType, ctrlType, deviceId=0):
'''
Obtains an appropriate pointer and info for the volume control
This function attempts to obtain a mixer control. Raises
SoundMixerException if not successful.
'''
deviceId = GetDeviceId(deviceId)
hmixer = HMIXER()
# Obtain the hmixer struct
rc = mixerOpen(byref(hmixer), deviceId, 0, 0, 0)
if rc != MMSYSERR_NOERROR:
raise SoundMixerException()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLine = MIXERLINE()
mixerLine.cbStruct = sizeof(MIXERLINE)
mixerControl = MIXERCONTROL()
mixerControl.cbStruct = sizeof(MIXERCONTROL)
mixerLine.dwComponentType = componentType
# Obtain a line corresponding to the component type
rc = mixerGetLineInfo(
hmixer,
byref(mixerLine),
MIXER_GETLINEINFOF_COMPONENTTYPE
)
if rc != MMSYSERR_NOERROR:
raise SoundMixerException()
mixerLineControls.dwLineID = mixerLine.dwLineID
mixerLineControls.dwControlType = ctrlType
mixerLineControls.cControls = 1
mixerLineControls.cbmxctrl = sizeof(mixerControl)
mixerLineControls.pamxctrl = pointer(mixerControl)
# Get the control
rc = mixerGetLineControls(
hmixer,
byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ONEBYTYPE
)
if MMSYSERR_NOERROR != rc:
raise SoundMixerException()
return hmixer, mixerControl
def AddControls(self, parentItem, mixerline):
numCtrls = mixerline.cControls
if numCtrls == 0:
return []
mixerControlArray = (MIXERCONTROL * numCtrls)()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = numCtrls
mixerLineControls.dwLineID = mixerline.dwLineID
mixerLineControls.pamxctrl = pointer(mixerControlArray[0])
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
mixerGetLineControls(self.mixerHandle, byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ALL)
for i in range(numCtrls):
mixerControl = mixerControlArray[i]
ctrlItem = self.AppendItem(parentItem, mixerControl.szName)
self.SetPyData(ctrlItem, mixerControl.dwControlID)
def AddControls(self, parentItem, mixerline):
numCtrls = mixerline.cControls
if numCtrls == 0:
return []
mixerControlArray = (MIXERCONTROL * numCtrls)()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = numCtrls
mixerLineControls.dwLineID = mixerline.dwLineID
mixerLineControls.pamxctrl = pointer(mixerControlArray[0])
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
mixerGetLineControls(
self.mixerHandle,
byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ALL
)
for i in range(numCtrls):
mixerControl = mixerControlArray[i]
ctrlItem = self.AppendItem(
parentItem,
mixerControl.szName
)
self.SetPyData(ctrlItem, mixerControl.dwControlID)
def OnSelectionChanged(self, event):
dwControlID = self.GetPyData(event.GetItem())
panel = self.panel
panel.DestroyChildren()
sizer = wx.BoxSizer(wx.VERTICAL)
idCtrl = wx.StaticText(panel, -1, "ID: " + str(dwControlID))
sizer.Add(idCtrl)
if dwControlID is None:
panel.SetSizerAndFit(sizer)
return
mixerControl = MIXERCONTROL()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = 1
mixerLineControls.dwControlID = dwControlID
mixerLineControls.pamxctrl = pointer(mixerControl)
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
err = mixerGetLineControls(
self.mixerHandle,
byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ONEBYID
)
if err:
print "error", err
return
idCtrl = wx.StaticText(panel, -1, "Name: " + mixerControl.szName)
sizer.Add(idCtrl)
idCtrl = wx.StaticText(
panel, -1, "Short Name: " + mixerControl.szShortName
)
sizer.Add(idCtrl)
dwControlType = mixerControl.dwControlType
controlClass = MIXER_CONTROL_CLASSES[
dwControlType & MIXERCONTROL_CT_CLASS_MASK
]
idCtrl = wx.StaticText(
panel, -1, "Classification: " + controlClass["name"]
)
sizer.Add(idCtrl)
controlClassTypeName = controlClass["types"][dwControlType]
idCtrl = wx.StaticText(panel, -1, "Type: " + controlClassTypeName)
sizer.Add(idCtrl)
fdwControl = mixerControl.fdwControl
cMultipleItems = 0
numMultipleItems = 1
flagNames = []
if fdwControl & MIXERCONTROL_CONTROLF_DISABLED:
flagNames.append("Disabled")
if fdwControl & MIXERCONTROL_CONTROLF_MULTIPLE:
flagNames.append("Multiple(%i)" % mixerControl.cMultipleItems)
numMultipleItems = mixerControl.cMultipleItems
cMultipleItems = mixerControl.cMultipleItems
if fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
flagNames.append("Uniform")
idCtrl = wx.StaticText(panel, -1, "Flags: " + ", ".join(flagNames))
sizer.Add(idCtrl)
valueType = CONTROLTYPES[dwControlType][1]
valueTypeName = MIXERCONTROLDETAILS_NAMES[valueType]
idCtrl = wx.StaticText(panel, -1, "Value Type: " + valueTypeName)
sizer.Add(idCtrl)
if dwControlType == MIXERCONTROL_CONTROLTYPE_CUSTOM:
cChannels = 0
elif fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
cChannels = 1
else:
# TODO: Get the number of channels
cChannels = 2
details = (valueType * (cChannels * numMultipleItems))()
mixerControlDetails = MIXERCONTROLDETAILS()
mixerControlDetails.cbStruct = sizeof(MIXERCONTROLDETAILS)
mixerControlDetails.dwControlID = dwControlID
mixerControlDetails.cChannels = cChannels
mixerControlDetails.cMultipleItems = cMultipleItems
mixerControlDetails.cbDetails = sizeof(details)
mixerControlDetails.paDetails = cast(pointer(details), c_void_p)
valueType()
mixerGetControlDetails(
self.mixerHandle,
byref(mixerControlDetails),
MIXER_GETCONTROLDETAILSF_VALUE
)
values = []
for i in range(cChannels * numMultipleItems):
if valueType == MCD_BOOLEAN:
values.append(details[i].fValue)
elif valueType == MCD_SIGNED:
values.append(details[i].lValue)
elif valueType == MCD_UNSIGNED:
values.append(details[i].dwValue)
idCtrl = wx.StaticText(panel, -1, "Value: %r" % values)
sizer.Add(idCtrl)
if (
dwControlType & MIXERCONTROL_CT_CLASS_MASK ==
MIXERCONTROL_CT_CLASS_LIST
):
labels = (
MIXERCONTROLDETAILS_LISTTEXT * (cChannels * numMultipleItems)
)()
mixerControlDetails.cbDetails = sizeof(
MIXERCONTROLDETAILS_LISTTEXT
)
mixerControlDetails.paDetails = cast(pointer(labels), c_void_p)
mixerGetControlDetails(
self.mixerHandle,
byref(mixerControlDetails),
MIXER_GETCONTROLDETAILSF_LISTTEXT
)
for i in range(cChannels * numMultipleItems):
print labels[i].szName
panel.SetSizerAndFit(sizer)
def OnSelectionChanged(self, event):
dwControlID = self.GetPyData(event.GetItem())
panel = self.panel
panel.DestroyChildren()
sizer = wx.BoxSizer(wx.VERTICAL)
idCtrl = wx.StaticText(panel, -1, "ID: " + str(dwControlID))
sizer.Add(idCtrl)
if dwControlID is None:
panel.SetSizerAndFit(sizer)
return
mixerControl = MIXERCONTROL()
mixerLineControls = MIXERLINECONTROLS()
mixerLineControls.cbStruct = sizeof(MIXERLINECONTROLS)
mixerLineControls.cControls = 1
mixerLineControls.dwControlID = dwControlID
mixerLineControls.pamxctrl = pointer(mixerControl)
mixerLineControls.cbmxctrl = sizeof(MIXERCONTROL)
err = mixerGetLineControls(self.mixerHandle, byref(mixerLineControls),
MIXER_GETLINECONTROLSF_ONEBYID)
if err:
print "error", err
return
idCtrl = wx.StaticText(panel, -1, "Name: " + mixerControl.szName)
sizer.Add(idCtrl)
idCtrl = wx.StaticText(panel, -1,
"Short Name: " + mixerControl.szShortName)
sizer.Add(idCtrl)
dwControlType = mixerControl.dwControlType
controlClass = MIXER_CONTROL_CLASSES[dwControlType
& MIXERCONTROL_CT_CLASS_MASK]
idCtrl = wx.StaticText(panel, -1,
"Classification: " + controlClass["name"])
sizer.Add(idCtrl)
controlClassTypeName = controlClass["types"][dwControlType]
idCtrl = wx.StaticText(panel, -1, "Type: " + controlClassTypeName)
sizer.Add(idCtrl)
fdwControl = mixerControl.fdwControl
cMultipleItems = 0
numMultipleItems = 1
flagNames = []
if fdwControl & MIXERCONTROL_CONTROLF_DISABLED:
flagNames.append("Disabled")
if fdwControl & MIXERCONTROL_CONTROLF_MULTIPLE:
flagNames.append("Multiple(%i)" % mixerControl.cMultipleItems)
numMultipleItems = mixerControl.cMultipleItems
cMultipleItems = mixerControl.cMultipleItems
if fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
flagNames.append("Uniform")
idCtrl = wx.StaticText(panel, -1, "Flags: " + ", ".join(flagNames))
sizer.Add(idCtrl)
valueType = CONTROLTYPES[dwControlType][1]
valueTypeName = MIXERCONTROLDETAILS_NAMES[valueType]
idCtrl = wx.StaticText(panel, -1, "Value Type: " + valueTypeName)
sizer.Add(idCtrl)
if dwControlType == MIXERCONTROL_CONTROLTYPE_CUSTOM:
cChannels = 0
elif fdwControl & MIXERCONTROL_CONTROLF_UNIFORM:
cChannels = 1
else:
# TODO: Get the number of channels
cChannels = 2
details = (valueType * (cChannels * numMultipleItems))()
mixerControlDetails = MIXERCONTROLDETAILS()
mixerControlDetails.cbStruct = sizeof(MIXERCONTROLDETAILS)
mixerControlDetails.dwControlID = dwControlID
mixerControlDetails.cChannels = cChannels
mixerControlDetails.cMultipleItems = cMultipleItems
mixerControlDetails.cbDetails = sizeof(details)
mixerControlDetails.paDetails = cast(pointer(details), c_void_p)
pmxcd = valueType()
mixerGetControlDetails(self.mixerHandle, byref(mixerControlDetails),
MIXER_GETCONTROLDETAILSF_VALUE)
values = []
for i in range(cChannels * numMultipleItems):
if valueType == MCD_BOOLEAN:
values.append(details[i].fValue)
elif valueType == MCD_SIGNED:
values.append(details[i].lValue)
elif valueType == MCD_UNSIGNED:
values.append(details[i].dwValue)
idCtrl = wx.StaticText(panel, -1, "Value: %r" % values)
sizer.Add(idCtrl)
if (dwControlType
& MIXERCONTROL_CT_CLASS_MASK == MIXERCONTROL_CT_CLASS_LIST):
labels = (MIXERCONTROLDETAILS_LISTTEXT *
(cChannels * numMultipleItems))()
mixerControlDetails.cbDetails = sizeof(
MIXERCONTROLDETAILS_LISTTEXT)
mixerControlDetails.paDetails = cast(pointer(labels), c_void_p)
mixerGetControlDetails(self.mixerHandle,
byref(mixerControlDetails),
MIXER_GETCONTROLDETAILSF_LISTTEXT)
for i in range(cChannels * numMultipleItems):
print labels[i].szName
panel.SetSizerAndFit(sizer)