Module engine 

One trait per task, many engines per trait.

An engine is a named, swappable implementation of a task — exactly the role a codec plays in ffmpeg. Engines are registered in an crate::registry::EngineRegistry and selected by name.

Structs

AsrOptions

EngineInfo

Metadata every engine exposes for discovery (ffai engines).

OcrOptions

TtsOptions

VlmOptions

Enums

EngineStatus

Honesty marker shown in ffai engines — stubs are visible, not hidden.

Task

The tasks FFai knows about (the “stream types” of the toolkit).

Traits

AsrEngine

Speech → text (Mercury).

OcrEngine

Image → text (Carmenta).

TtsEngine

Text → speech (Mercury).

VlmEngine

Image/video → description (Argus).