// Original code...
IOAudioSelectorControl *IOAudioSelectorControl::create(SInt32 initialValue,
UInt32 channelID,
const char *channelName,
UInt32 cntrlID,
UInt32 subType,
UInt32 usage)
{
IOAudioSelectorControl *control;
control = new IOAudioSelectorControl;
if (control) {
if (!control->init(initialValue,
channelID,
channelName,
cntrlID,
subType,
usage)) {
control->release();
control = NULL;
}
}
return control;
}
IOAudioSelectorControl *IOAudioSelectorControl::createInputClockSelector(SInt32 initialValue,
UInt32 channelID,
UInt32 clockSource,
const char *channelName,
UInt32 cntrlID)
{
IOAudioSelectorControl *clockControl;
if ((clockControl = create (initialValue,
channelID,
channelName,
cntrlID,
kIOAudioSelectorControlSubTypeClockSource,
kIOAudioControlUsageInput))) {
clockControl->setProperty(kIOAudioSelectorControlClockSourceKey, clockSource);
}
return clockControl;
}
bool AppleIntelAC97AudioDriver::createAudioPorts()
{
IOAudioPort * outputPort = 0;
IOAudioPort * inputPort = 0;
IOAudioLevelControl * outVolLeft = 0;
IOAudioLevelControl * outVolRight = 0;
IOAudioLevelControl * inGainLeft = 0;
IOAudioLevelControl * inGainRight = 0;
IOAudioToggleControl * outMute = 0;
IOAudioSelectorControl * inputSelector = 0;
bool success = false;
UInt32 initialVolume;
DebugLog("%s::%s\n", getName(), __FUNCTION__);
do {
// Master output port.
outputPort = IOAudioPort::withAttributes( kIOAudioPortTypeOutput,
"Master Output port" );
if ( outputPort == 0 ) break;
initialVolume = _audioCodec->getOutputVolumeMax() * 3 / 4;
// Left master output volume.
outVolLeft = IOAudioLevelControl::createVolumeControl(
/* initialValue */ initialVolume,
/* minValue */ _audioCodec->getOutputVolumeMin(),
/* maxValue */ _audioCodec->getOutputVolumeMax(),
/* minDB */ _audioCodec->getOutputVolumeMinDB(),
/* maxDB */ _audioCodec->getOutputVolumeMaxDB(),
/* channelID */ kIOAudioControlChannelIDDefaultLeft,
/* channelName */ kIOAudioControlChannelNameLeft,
/* cntrlID */ kControlOutputVolumeL,
/* usage */ kIOAudioControlUsageOutput );
if ( outVolLeft == 0 ) break;
outVolLeft->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( outVolLeft );
// Right master output volume.
outVolRight = IOAudioLevelControl::createVolumeControl(
/* initialValue */ initialVolume,
/* minValue */ _audioCodec->getOutputVolumeMin(),
/* maxValue */ _audioCodec->getOutputVolumeMax(),
/* minDB */ _audioCodec->getOutputVolumeMinDB(),
/* maxDB */ _audioCodec->getOutputVolumeMaxDB(),
/* channelID */ kIOAudioControlChannelIDDefaultRight,
/* channelName */ kIOAudioControlChannelNameRight,
/* cntrlID */ kControlOutputVolumeR,
/* usage */ kIOAudioControlUsageOutput );
if ( outVolRight == 0 ) break;
outVolRight->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( outVolRight );
// Mute master output.
outMute = IOAudioToggleControl::createMuteControl(
/* initialValue */ false,
/* channelID */ kIOAudioControlChannelIDAll,
/* channelName */ kIOAudioControlChannelNameAll,
/* cntrlID */ kControlOutputMute,
/* usage */ kIOAudioControlUsageOutput);
if ( outMute == 0 ) break;
outMute->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( outMute );
// Attach audio port to audio topology.
attachAudioPort( outputPort, _audioEngine, 0 );
// Create input port and attach it to audio topology.
inputPort = IOAudioPort::withAttributes( kIOAudioPortTypeInput,
"Main Input Port" );
if ( inputPort == 0 ) break;
// Left input gain.
initialVolume = 0x17;
inGainLeft = IOAudioLevelControl::createVolumeControl(
/* initialValue */ initialVolume,
/* minValue */ _audioCodec->getInputGainMin(),
/* maxValue */ _audioCodec->getInputGainMax(),
/* minDB */ _audioCodec->getInputGainMinDB(),
/* maxDB */ _audioCodec->getInputGainMaxDB(),
/* channelID */ kIOAudioControlChannelIDDefaultLeft,
/* channelName */ kIOAudioControlChannelNameLeft,
/* cntrlID */ kControlInputGainL,
/* usage */ kIOAudioControlUsageInput );
if ( inGainLeft == 0 ) break;
inGainLeft->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( inGainLeft );
// Right input gain.
inGainRight = IOAudioLevelControl::createVolumeControl(
/* initialValue */ initialVolume,
/* minValue */ _audioCodec->getInputGainMin(),
/* maxValue */ _audioCodec->getInputGainMax(),
/* minDB */ _audioCodec->getInputGainMinDB(),
/* maxDB */ _audioCodec->getInputGainMaxDB(),
/* channelID */ kIOAudioControlChannelIDDefaultRight,
/* channelName */ kIOAudioControlChannelNameRight,
/* cntrlID */ kControlInputGainR,
/* usage */ kIOAudioControlUsageInput );
if ( inGainRight == 0 ) break;
inGainRight->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( inGainRight );
// Create input source selector.
inputSelector = IOAudioSelectorControl::createInputSelector(
/* initialValue */ kInputSourceMic1,
/* channelID */ kIOAudioControlChannelIDAll,
/* channelName */ kIOAudioControlChannelNameAll,
/* cntrlID */ kControlInputSelector );
if ( inputSelector == 0 ) break;
inputSelector->addAvailableSelection( kInputSourceMic1, "Microphone" );
inputSelector->addAvailableSelection( kInputSourceLine, "Line In" );
inputSelector->setValueChangeHandler( audioControlChangeHandler, this );
_audioEngine->addDefaultAudioControl( inputSelector );
// Attach input port.
attachAudioPort( inputPort, 0, _audioEngine );
success = true;
}
while ( false );
if ( inputPort ) inputPort->release();
if ( outputPort ) outputPort->release();
if ( outVolLeft ) outVolLeft->release();
if ( outVolRight ) outVolRight->release();
if ( inGainLeft ) inGainLeft->release();
if ( inGainRight ) inGainRight->release();
if ( outMute ) outMute->release();
if ( inputSelector ) inputSelector->release();
return success;
}
void AREngine::CreateControls(UInt32 inNumberChannels)
{
for(UInt32 theChannelID = 0; theChannelID <= inNumberChannels; ++theChannelID)
{
IOAudioControl* theControl;
IOAudioSelectorControl* theSelectorControl;
char theChannelName[32];
if(theChannelID > 0)
{
snprintf(theChannelName, 32, "Channel %lu", theChannelID);
}
else
{
strncpy(theChannelName, kIOAudioControlChannelNameAll, 32);
}
// clock source selector
if(theChannelID == 0)
{
theSelectorControl = IOAudioSelectorControl::create(0, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeClockSource, kIOAudioControlUsageInput);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(0, "Internal");
theSelectorControl->addAvailableSelection(1, "External 1");
theSelectorControl->addAvailableSelection(2, "External 2");
theSelectorControl->addAvailableSelection(3, "External 3");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// output volume
theControl = IOAudioLevelControl::createVolumeControl(65535, 0, 65535, (-22 << 16) + (32768), 0, theChannelID, theChannelName, 0, kIOAudioControlUsageOutput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// output mute
theControl = IOAudioToggleControl::createMuteControl(false, theChannelID, theChannelName, 0, kIOAudioControlUsageOutput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// output solo
if(theChannelID != 0)
{
theControl = IOAudioToggleControl::create(false, theChannelID, theChannelName, 0, kIOAudioToggleControlSubTypeSolo, kIOAudioControlUsageOutput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
// output data source
if(theChannelID != 0)
{
theSelectorControl = IOAudioSelectorControl::create(0, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeOutput, kIOAudioControlUsageOutput);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(0, "Source 1");
theSelectorControl->addAvailableSelection(1, "Source 2");
theSelectorControl->addAvailableSelection(2, "Source 3");
theSelectorControl->addAvailableSelection(3, "Source 4");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// output line level
if(theChannelID != 0)
{
theSelectorControl = IOAudioSelectorControl::create(kIOAudioSelectorControlSubTypeChannelLevelMinus10dBV, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeChannelNominalLineLevel, kIOAudioControlUsageOutput);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelPlus4dBu, "+4dBu");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMinus10dBV, "-10dBV");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMinus20dBV, "-20dBV");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMicLevel, "Mic");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelInstrumentLevel, "Instrument");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// input volume
theControl = IOAudioLevelControl::createVolumeControl(65535, 0, 65535, (-22 << 16) + (32768), 0, theChannelID, theChannelName, 0, kIOAudioControlUsageInput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// input mute
theControl = IOAudioToggleControl::createMuteControl(false, theChannelID, theChannelName, 0, kIOAudioControlUsageInput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// input solo
if(theChannelID != 0)
{
theControl = IOAudioToggleControl::create(false, theChannelID, theChannelName, 0, kIOAudioToggleControlSubTypeSolo, kIOAudioControlUsageInput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
// input data source
if(theChannelID != 0)
{
theSelectorControl = IOAudioSelectorControl::create(0, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeInput, kIOAudioControlUsageInput);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(0, "Source 1");
theSelectorControl->addAvailableSelection(1, "Source 2");
theSelectorControl->addAvailableSelection(2, "Source 3");
theSelectorControl->addAvailableSelection(3, "Source 4");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// input line level
if(theChannelID != 0)
{
theSelectorControl = IOAudioSelectorControl::create(kIOAudioSelectorControlSubTypeChannelLevelMinus10dBV, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeChannelNominalLineLevel, kIOAudioControlUsageInput);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelPlus4dBu, "+4dBu");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMinus10dBV, "-10dBV");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMinus20dBV, "-20dBV");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelMicLevel, "Mic");
theSelectorControl->addAvailableSelection(kIOAudioSelectorControlSubTypeChannelLevelInstrumentLevel, "Instrument");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// play through volume
theControl = IOAudioLevelControl::createVolumeControl(65535, 0, 65535, (-22 << 16) + (32768), 0, theChannelID, theChannelName, 0, kIOAudioControlUsagePassThru);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// play through on/off
theControl = IOAudioToggleControl::createMuteControl(true, theChannelID, theChannelName, 0, kIOAudioControlUsagePassThru);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
// play through solo
if(theChannelID != 0)
{
theControl = IOAudioToggleControl::create(false, theChannelID, theChannelName, 0, kIOAudioToggleControlSubTypeSolo, kIOAudioControlUsagePassThru);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
// play through data destination
if(theChannelID != 0)
{
theSelectorControl = IOAudioSelectorControl::create(0, theChannelID, theChannelName, 0, kIOAudioSelectorControlSubTypeDestination, kIOAudioControlUsagePassThru);
if(theSelectorControl != NULL)
{
theSelectorControl->addAvailableSelection(0, "Destination 1");
theSelectorControl->addAvailableSelection(1, "Destination 2");
theSelectorControl->addAvailableSelection(2, "Destination 3");
theSelectorControl->addAvailableSelection(3, "Destination 4");
theSelectorControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theSelectorControl);
theSelectorControl->release();
theSelectorControl = NULL;
}
}
// play through stereo pan
if((inNumberChannels > 2) && (theChannelID != 0))
{
theControl = ARStereoPanControl::create(0, -128, 0, 128, 1, 2, theChannelID, theChannelName, 0, ARStereoPanControl::kIOAudioControlSubTypeStereoPan, kIOAudioControlUsagePassThru);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
// LFE volume
if(theChannelID == 0)
{
theControl = IOAudioLevelControl::create(65535, 0, 65535, (-22 << 16) + (32768), 0, theChannelID, theChannelName, 0, kIOAudioLevelControlSubTypeLFEVolume, kIOAudioControlUsageOutput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
// LFE mute
if(theChannelID == 0)
{
theControl = IOAudioToggleControl::create(false, theChannelID, theChannelName, 0, kIOAudioToggleControlSubTypeLFEMute, kIOAudioControlUsageOutput);
if(theControl != NULL)
{
theControl->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)IntegerControlChangeHandler, this);
addDefaultAudioControl(theControl);
theControl->release();
theControl = NULL;
}
}
}
}
