Enum cpal::DefaultFormatError

pub enum DefaultFormatError {
    DeviceNotAvailable,
    StreamTypeNotSupported,
    BackendSpecific {
        err: BackendSpecificError,
    },
}

May occur when attempting to request the default input or output stream format from a Device.

Variants

DeviceNotAvailable

The device no longer exists. This can happen if the device is disconnected while the program is running.

StreamTypeNotSupported

Returned if e.g. the default input format was requested on an output-only audio device.

BackendSpecific

See the BackendSpecificError docs for more information about this error variant.

Fields of BackendSpecific

err: BackendSpecificError

Trait Implementations

impl From<BackendSpecificError> for DefaultFormatError

fn from(source: BackendSpecificError) -> Self

Performs the conversion.

impl Debug for DefaultFormatError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for DefaultFormatError

fn fmt(&self, __formatter: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Error for DefaultFormatError

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn description(&self) -> &str

This method is soft-deprecated.

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.