Struct PlaceholderCaptioner 

pub struct PlaceholderCaptioner {
    initialized: Arc<RwLock<bool>>,
}

Placeholder vision captioner that returns no captions.

This is a no-op implementation that can be used when vision captioning is not available or not desired. It always returns None for captions.

Fields

initialized: Arc<RwLock<bool>>

Implementations

impl PlaceholderCaptioner

pub fn new() -> Self

Create a new placeholder captioner.

Trait Implementations

impl Default for PlaceholderCaptioner

fn default() -> Self

Returns the “default value” for a type.

impl ImageCaptioner for PlaceholderCaptioner

fn init<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<(), CaptionError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Initialize the captioner (load model, etc.).

fn caption<'life0, 'life1, 'async_trait>( &'life0 self, _image_data: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<Option<String>, CaptionError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Generate a caption for image bytes.

fn is_initialized<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Check if the captioner is initialized.

fn model_name(&self) -> &str

Get the model name.