void
PA_Stream::Initialize()
{
OSStatus ret;
AudioObjectID oid;
ret = AudioObjectCreate(plugin->GetInterface(),
device->GetObjectID(),
kAudioStreamClassID, &oid);
if (ret != kAudioHardwareNoError) {
DebugLog("AudioObjectCreate() failed with %d", (int) ret);
return;
}
SetObjectID(oid);
DebugLog("New stream has ID %d", (int) oid);
if (!isInput) {
muteControl = new PA_MuteControl(plugin, this);
muteControl->Initialize();
volumeControl = new PA_VolumeControl(plugin, this);
volumeControl->Initialize();
}
}
void SHP_PlugIn::InitializeWithObjectID(AudioObjectID inObjectID)
{
// initialize the super class
HP_HardwarePlugIn::InitializeWithObjectID(inObjectID);
// instantiate a new AudioDevice object in the HAL
AudioDeviceID theNewDeviceID = 0;
#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_4)
OSStatus theError = AudioHardwareClaimAudioDeviceID(GetInterface(), &theNewDeviceID);
#else
OSStatus theError = AudioObjectCreate(GetInterface(), kAudioObjectSystemObject, kAudioDeviceClassID, &theNewDeviceID);
#endif
ThrowIfError(theError, CAException(theError), "SHP_PlugIn::InitializeWithObjectID: couldn't instantiate the AudioDevice object");
// make a device object
mDevice = new SHP_Device(theNewDeviceID, this);
mDevice->Initialize();
// restore it's settings if necessary
UInt32 isMaster = 0;
UInt32 theSize = sizeof(UInt32);
AudioHardwareGetProperty(kAudioHardwarePropertyProcessIsMaster, &theSize, &isMaster);
if(isMaster != 0)
{
HP_DeviceSettings::RestoreFromPrefs(*mDevice, HP_DeviceSettings::sStandardControlsToSave, HP_DeviceSettings::kStandardNumberControlsToSave);
}
// set the object state mutex
HP_Object::SetObjectStateMutexForID(theNewDeviceID, mDevice->GetObjectStateMutex());
// tell the HAL about the device
#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_4)
theError = AudioHardwareDevicesCreated(GetInterface(), 1, &theNewDeviceID);
#else
theError = AudioObjectsPublishedAndDied(GetInterface(), kAudioObjectSystemObject, 1, &theNewDeviceID, 0, NULL);
#endif
AssertNoError(theError, "SHP_PlugIn::InitializeWithObjectID: got an error telling the HAL a device died");
}
