117     AudioDeviceID deviceID = devices[index];  in GetDeviceInfo()  local
119         *pDeviceID = deviceID;  in GetDeviceInfo()
125         err = GetAudioObjectProperty(deviceID, kAudioObjectPropertyScopeGlobal,  in GetDeviceInfo()
138         err = GetAudioObjectProperty(deviceID, kAudioObjectPropertyScopeGlobal,  in GetDeviceInfo()
177     AudioDeviceID deviceID;  in GetDefaultDevice()  local
180         sizeof(deviceID), &deviceID, 1);  in GetDefaultDevice()
185     return deviceID;  in GetDefaultDevice()
188 int GetChannelCount(AudioDeviceID deviceID, int isSource) {  in GetChannelCount()  argument
194 … err = GetAudioObjectPropertySize(deviceID, scope, kAudioDevicePropertyStreamConfiguration, &size);  in GetChannelCount()
196 …   OS_ERROR2(err, "GetChannelCount(getSize), deviceID=0x%x, isSource=%d", (int)deviceID, isSource);  in GetChannelCount()
200 …err = GetAudioObjectProperty(deviceID, scope, kAudioDevicePropertyStreamConfiguration, &size, pBuf…  in GetChannelCount()
206 …   OS_ERROR2(err, "GetChannelCount(getData), deviceID=0x%x, isSource=%d", (int)deviceID, isSource);  in GetChannelCount()
210     TRACE2("GetChannelCount (deviceID=0x%x): total %d channels\n", (int)deviceID, result);  in GetChannelCount()
214 float GetSampleRate(AudioDeviceID deviceID, int isSource) {  in GetSampleRate()  argument
217 …OSStatus err = GetAudioObjectProperty(deviceID, scope, kAudioDevicePropertyActualSampleRate, sizeo…  in GetSampleRate()
219 …OS_ERROR2(err, "GetSampleRate(ActualSampleRate), deviceID=0x%x, isSource=%d", (int)deviceID, isSou…  in GetSampleRate()
221 …err = GetAudioObjectProperty(deviceID, scope, kAudioDevicePropertyNominalSampleRate, sizeof(result…  in GetSampleRate()
223 …ROR2(err, "GetSampleRate(NominalSampleRate), deviceID=0x%x, isSource=%d", (int)deviceID, isSource);  in GetSampleRate()