native-whisperx 0.1.14

WhisperX-style transcription workflows composed from moritzbrantner Rust building-block crates.
Documentation 
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//! Optional native translation configuration applied after ASR.

use std::path::PathBuf;

use serde::{Deserialize, Serialize};

/// Library-owned controls for post-ASR translation model resolution.
///
/// These controls intentionally do not depend on CLI argument types. Embedding
/// applications can select an explicit bundle, an application model directory,
/// or cache-only resolution without constructing a command-line configuration.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct TranslationConfig {
    /// Enables post-ASR translation for finite Workflow Composition.
    #[serde(default)]
    pub enabled: bool,
    /// Hugging Face model ID used by the legacy single-model translation path.
    #[serde(default)]
    pub model_id: Option<String>,
    /// Explicit local Marian model bundle, preferred over cache resolution.
    #[serde(default)]
    pub model_bundle: Option<PathBuf>,
    /// Application-selected model/cache root used for translation resolution.
    #[serde(default)]
    pub model_dir: Option<PathBuf>,
    /// Forbids translation model downloads and fails when local assets are absent.
    #[serde(default)]
    pub model_cache_only: bool,
    /// ISO 639-1 source language code for the configured model.
    #[serde(default)]
    pub source_language: Option<String>,
    /// ISO 639-1 target language code for the configured model.
    #[serde(default)]
    pub target_language: Option<String>,
    /// Maximum number of tokens produced for each translated segment.
    #[serde(default = "default_translation_max_new_tokens")]
    pub max_new_tokens: usize,
}

impl Default for TranslationConfig {
    fn default() -> Self {
        Self {
            enabled: false,
            model_id: None,
            model_bundle: None,
            model_dir: None,
            model_cache_only: false,
            source_language: None,
            target_language: None,
            max_new_tokens: default_translation_max_new_tokens(),
        }
    }
}

fn default_translation_max_new_tokens() -> usize {
    256
}