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|
use super::*;
pub fn get_device_uid(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<StringRef, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceUID, devtype);
let mut size = mem::size_of::<CFStringRef>();
let mut uid: CFStringRef = ptr::null();
let err = audio_object_get_property_data(id, &address, &mut size, &mut uid);
if err == NO_ERR {
Ok(StringRef::new(uid as _))
} else {
Err(err)
}
}
pub fn get_device_model_uid(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<StringRef, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::ModelUID, devtype);
let mut size = mem::size_of::<CFStringRef>();
let mut uid: CFStringRef = ptr::null();
let err = audio_object_get_property_data(id, &address, &mut size, &mut uid);
if err == NO_ERR {
Ok(StringRef::new(uid as _))
} else {
Err(err)
}
}
pub fn get_device_transport_type(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::TransportType, devtype);
let mut size = mem::size_of::<u32>();
let mut transport: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut transport);
if err == NO_ERR {
Ok(transport)
} else {
Err(err)
}
}
pub fn get_device_source(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceSource, devtype);
let mut size = mem::size_of::<u32>();
let mut source: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut source);
if err == NO_ERR {
Ok(source)
} else {
Err(err)
}
}
pub fn get_device_source_name(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<StringRef, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let mut source: u32 = get_device_source(id, devtype)?;
let address = get_property_address(Property::DeviceSourceName, devtype);
let mut size = mem::size_of::<AudioValueTranslation>();
let mut name: CFStringRef = ptr::null();
let mut trl = AudioValueTranslation {
mInputData: &mut source as *mut u32 as *mut c_void,
mInputDataSize: mem::size_of::<u32>() as u32,
mOutputData: &mut name as *mut CFStringRef as *mut c_void,
mOutputDataSize: mem::size_of::<CFStringRef>() as u32,
};
let err = audio_object_get_property_data(id, &address, &mut size, &mut trl);
if err == NO_ERR {
Ok(StringRef::new(name as _))
} else {
Err(err)
}
}
pub fn get_device_name(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<StringRef, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceName, devtype);
let mut size = mem::size_of::<CFStringRef>();
let mut name: CFStringRef = ptr::null();
let err = audio_object_get_property_data(id, &address, &mut size, &mut name);
if err == NO_ERR {
Ok(StringRef::new(name as _))
} else {
Err(err)
}
}
pub fn get_device_manufacturer(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<StringRef, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceManufacturer, devtype);
let mut size = mem::size_of::<CFStringRef>();
let mut manufacturer: CFStringRef = ptr::null();
let err = audio_object_get_property_data(id, &address, &mut size, &mut manufacturer);
if err == NO_ERR {
Ok(StringRef::new(manufacturer as _))
} else {
Err(err)
}
}
pub fn get_device_buffer_frame_size_range(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<AudioValueRange, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceBufferFrameSizeRange, devtype);
let mut size = mem::size_of::<AudioValueRange>();
let mut range = AudioValueRange::default();
let err = audio_object_get_property_data(id, &address, &mut size, &mut range);
if err == NO_ERR {
Ok(range)
} else {
Err(err)
}
}
pub fn get_device_latency(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceLatency, devtype);
let mut size = mem::size_of::<u32>();
let mut latency: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut latency);
if err == NO_ERR {
Ok(latency)
} else {
Err(err)
}
}
pub fn get_device_streams(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<Vec<AudioStreamID>, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceStreams, devtype);
let mut size: usize = 0;
let err = audio_object_get_property_data_size(id, &address, &mut size);
if err != NO_ERR {
return Err(err);
}
let mut streams: Vec<AudioObjectID> = allocate_array_by_size(size);
let err = audio_object_get_property_data(id, &address, &mut size, streams.as_mut_ptr());
if err == NO_ERR {
Ok(streams)
} else {
Err(err)
}
}
pub fn get_device_sample_rate(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<f64, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceSampleRate, devtype);
let mut size = mem::size_of::<f64>();
let mut rate: f64 = 0.0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut rate);
if err == NO_ERR {
Ok(rate)
} else {
Err(err)
}
}
pub fn get_ranges_of_device_sample_rate(
id: AudioDeviceID,
devtype: DeviceType,
) -> std::result::Result<Vec<AudioValueRange>, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::DeviceSampleRates, devtype);
let mut size: usize = 0;
let err = audio_object_get_property_data_size(id, &address, &mut size);
if err != NO_ERR {
return Err(err);
}
let mut ranges: Vec<AudioValueRange> = allocate_array_by_size(size);
let err = audio_object_get_property_data(id, &address, &mut size, ranges.as_mut_ptr());
if err == NO_ERR {
Ok(ranges)
} else {
Err(err)
}
}
pub fn get_stream_latency(id: AudioStreamID) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(
Property::StreamLatency,
DeviceType::INPUT | DeviceType::OUTPUT,
);
let mut size = mem::size_of::<u32>();
let mut latency: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut latency);
if err == NO_ERR {
Ok(latency)
} else {
Err(err)
}
}
pub fn get_stream_terminal_type(id: AudioStreamID) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(
Property::StreamTerminalType,
DeviceType::INPUT | DeviceType::OUTPUT,
);
let mut size = mem::size_of::<u32>();
let mut terminal_type: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut terminal_type);
if err == NO_ERR {
Ok(terminal_type)
} else {
Err(err)
}
}
pub fn get_stream_virtual_format(
id: AudioStreamID,
) -> std::result::Result<AudioStreamBasicDescription, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(
Property::StreamVirtualFormat,
DeviceType::INPUT | DeviceType::OUTPUT,
);
let mut size = mem::size_of::<AudioStreamBasicDescription>();
let mut format = AudioStreamBasicDescription::default();
let err = audio_object_get_property_data(id, &address, &mut size, &mut format);
if err == NO_ERR {
Ok(format)
} else {
Err(err)
}
}
pub fn get_clock_domain(
id: AudioStreamID,
devtype: DeviceType,
) -> std::result::Result<u32, OSStatus> {
assert_ne!(id, kAudioObjectUnknown);
let address = get_property_address(Property::ClockDomain, devtype);
let mut size = mem::size_of::<u32>();
let mut clock_domain: u32 = 0;
let err = audio_object_get_property_data(id, &address, &mut size, &mut clock_domain);
if err == NO_ERR {
Ok(clock_domain)
} else {
Err(err)
}
}
pub enum Property {
DeviceBufferFrameSizeRange,
DeviceIsAlive,
DeviceLatency,
DeviceManufacturer,
DeviceName,
DeviceSampleRate,
DeviceSampleRates,
DeviceSource,
DeviceSourceName,
DeviceStreams,
DeviceUID,
HardwareDefaultInputDevice,
HardwareDefaultOutputDevice,
HardwareDevices,
ModelUID,
StreamLatency,
StreamTerminalType,
StreamVirtualFormat,
TransportType,
ClockDomain,
}
impl From<Property> for AudioObjectPropertySelector {
fn from(p: Property) -> Self {
match p {
Property::DeviceBufferFrameSizeRange => kAudioDevicePropertyBufferFrameSizeRange,
Property::DeviceIsAlive => kAudioDevicePropertyDeviceIsAlive,
Property::DeviceLatency => kAudioDevicePropertyLatency,
Property::DeviceManufacturer => kAudioObjectPropertyManufacturer,
Property::DeviceName => kAudioObjectPropertyName,
Property::DeviceSampleRate => kAudioDevicePropertyNominalSampleRate,
Property::DeviceSampleRates => kAudioDevicePropertyAvailableNominalSampleRates,
Property::DeviceSource => kAudioDevicePropertyDataSource,
Property::DeviceSourceName => kAudioDevicePropertyDataSourceNameForIDCFString,
Property::DeviceStreams => kAudioDevicePropertyStreams,
Property::DeviceUID => kAudioDevicePropertyDeviceUID,
Property::HardwareDefaultInputDevice => kAudioHardwarePropertyDefaultInputDevice,
Property::HardwareDefaultOutputDevice => kAudioHardwarePropertyDefaultOutputDevice,
Property::HardwareDevices => kAudioHardwarePropertyDevices,
Property::ModelUID => kAudioDevicePropertyModelUID,
Property::StreamLatency => kAudioStreamPropertyLatency,
Property::StreamTerminalType => kAudioStreamPropertyTerminalType,
Property::StreamVirtualFormat => kAudioStreamPropertyVirtualFormat,
Property::TransportType => kAudioDevicePropertyTransportType,
Property::ClockDomain => kAudioDevicePropertyClockDomain,
}
}
}
pub fn get_property_address(property: Property, devtype: DeviceType) -> AudioObjectPropertyAddress {
const GLOBAL: ffi::cubeb_device_type =
ffi::CUBEB_DEVICE_TYPE_INPUT | ffi::CUBEB_DEVICE_TYPE_OUTPUT;
let scope = match devtype.bits() {
ffi::CUBEB_DEVICE_TYPE_INPUT => kAudioDevicePropertyScopeInput,
ffi::CUBEB_DEVICE_TYPE_OUTPUT => kAudioDevicePropertyScopeOutput,
GLOBAL => kAudioObjectPropertyScopeGlobal,
_ => panic!("Invalid type"),
};
AudioObjectPropertyAddress {
mSelector: property.into(),
mScope: scope,
mElement: kAudioObjectPropertyElementMaster,
}
}
|
