Method get_exposure

rustcv-backend-msmf/src/controls.rs:77–85

Gets the current exposure time. # Returns The exposure time in microseconds, or a default value if unavailable.

(&self)

    ///
    /// The exposure time in microseconds, or a default value if unavailable.
    fn get_exposure(&self) -> Result<u32> {
        unsafe {
            Ok(
                get_media_type_uint64(&self.source_reader.0, &MF_MT_VIDEO_LIGHTING)
                    .map(|v| v as u32)
                    .unwrap_or(DEFAULT_EXPOSURE_US),
            )
        }
    }
}

/// Lens control implementation for MSMF cameras.