feat(wip): Phase 7.1 STT Service Layer - Architecture complète (ne compile pas)
Architecture Phase 7 STT implémentée mais bloquée par conflits de macros
entre GroveEngine (JsonDataNode.h) et spdlog/fmt.
## Nouveau contenu
### Interfaces & Services
- ISTTService.hpp: Interface service STT (modes passive/active, callbacks)
- STTService.{hpp,cpp}: Implémentation service STT avec factory pattern
- VoskSTTEngine.{hpp,cpp}: Engine STT local Vosk (~50MB model)
### Factory Pattern
- STTEngineFactory: Support multi-engines (Vosk, Whisper API, auto-select)
- Fallback automatique Vosk -> Whisper API
### Configuration
- config/voice.json: Config Phase 7 (passive_mode, active_mode, whisper_api)
- Support modèles Vosk locaux + fallback cloud
### Intégration
- VoiceService: Nouvelle méthode configureSTT(json) pour Phase 7
- main.cpp: Chargement config STT depuis voice.json
- CMakeLists.txt: Ajout fichiers + dépendance optionnelle Vosk
## Problème de Compilation
**Bloqué par conflits de macros**:
- JsonDataNode.h (GroveEngine) définit des macros qui polluent 'logger' et 'queue'
- Cause erreurs dans VoiceService.cpp et STTService.cpp
- Voir plans/PHASE7_COMPILATION_ISSUE.md pour diagnostic complet
## Fonctionnalités Implémentées
✅ Architecture STT complète (service layer + engines)
✅ Support Vosk local (modèles français)
✅ Factory pattern avec auto-selection
✅ Configuration JSON Phase 7
✅ Callbacks transcription/keywords
❌ Ne compile pas (macro conflicts)
## Prochaines Étapes
1. Résoudre conflits macros (fixer GroveEngine ou isolation namespace)
2. Phase 7.2: PocketSphinxEngine (keyword spotting "Celuna")
3. Tests intégration STT
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
parent
3c588a9f90
commit
3915424d75
@ -107,6 +107,7 @@ endif()
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add_library(AissiaAudio STATIC
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src/shared/audio/TTSEngineFactory.cpp
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src/shared/audio/STTEngineFactory.cpp
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src/shared/audio/VoskSTTEngine.cpp
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)
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target_include_directories(AissiaAudio PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/src
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@ -124,6 +125,16 @@ if(WIN32)
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target_link_libraries(AissiaAudio PUBLIC sapi ole32)
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endif()
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# Optional: Link Vosk if available (Phase 7 STT)
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find_library(VOSK_LIBRARY vosk)
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if(VOSK_LIBRARY)
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message(STATUS "Vosk found: ${VOSK_LIBRARY}")
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target_link_libraries(AissiaAudio PUBLIC ${VOSK_LIBRARY})
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target_compile_definitions(AissiaAudio PRIVATE HAS_VOSK)
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else()
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message(STATUS "Vosk not found - STT will use fallback engines only")
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endif()
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# ============================================================================
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# Infrastructure Services Library (linked into main)
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# ============================================================================
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@ -132,6 +143,7 @@ add_library(AissiaServices STATIC
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src/services/StorageService.cpp
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src/services/PlatformService.cpp
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src/services/VoiceService.cpp
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src/services/STTService.cpp
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)
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target_include_directories(AissiaServices PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/src
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@ -3,12 +3,34 @@
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"enabled": true,
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"engine": "auto",
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"rate": 0,
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"volume": 80
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"volume": 80,
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"voice": "fr-fr"
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},
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"stt": {
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"enabled": true,
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"api_key_env": "OPENAI_API_KEY",
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"model": "whisper-1",
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"language": "fr"
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"passive_mode": {
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"enabled": false,
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"engine": "pocketsphinx",
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"keywords": ["celuna", "hey celuna", "ok celuna"],
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"threshold": 0.8,
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"model_path": "/usr/share/pocketsphinx/model/en-us"
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},
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"active_mode": {
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"enabled": true,
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"engine": "vosk",
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"model_path": "./models/vosk-model-small-fr-0.22",
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"language": "fr",
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"timeout_seconds": 30,
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"fallback_engine": "whisper-api"
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},
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"whisper_api": {
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"api_key_env": "OPENAI_API_KEY",
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"model": "whisper-1"
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},
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"microphone": {
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"device_id": -1,
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"sample_rate": 16000,
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"channels": 1,
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"buffer_size": 1024
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}
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}
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}
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282
plans/PHASE7_COMPILATION_ISSUE.md
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282
plans/PHASE7_COMPILATION_ISSUE.md
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@ -0,0 +1,282 @@
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# Phase 7 - Problème de Compilation (Macro Conflicts)
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**Date**: 2025-11-29
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**Status**: ⚠️ Bloqué - Conflit de macros entre GroveEngine et spdlog
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---
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## Résumé du Problème
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L'implémentation de Phase 7.1 (STT Service Layer) est **fonctionnellement complète** mais ne compile pas à cause de **conflits de macros** entre:
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1. **GroveEngine** (`JsonDataNode.h`) - définit des macros qui polluent le namespace global
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2. **spdlog/fmt** - templates de formatting qui entrent en conflit avec les macros
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3. **nlohmann::json** - interfère avec l'ordre d'inclusion
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### Symptômes
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```cpp
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// Erreurs typiques:
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error: request for member 'empty' in 'm_speakQueue', which is of non-class type 'int'
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error: no match for 'operator=' (operand types are 'std::shared_ptr<spdlog::logger>' and 'int')
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error: 'logger' was not declared in this scope
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```
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**Cause racine**: Les macros dans `JsonDataNode.h` remplacent `logger` et `queue` par `int`, causant des erreurs de compilation dans tout code qui:
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- Utilise `std::queue`
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- Utilise `spdlog::logger`
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- Inclut `JsonDataNode.h` (via `VoiceService.hpp`)
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---
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## Architecture Implémentée (Phase 7.1)
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### ✅ Fichiers Créés
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| Fichier | Lignes | Status | Description |
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|---------|--------|--------|-------------|
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| `src/services/ISTTService.hpp` | 104 | ✅ Complet | Interface du service STT |
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| `src/services/STTService.hpp` | 66 | ✅ Complet | Implémentation service STT |
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| `src/services/STTService.cpp` | 180 | ⚠️ Ne compile pas | Logic métier STT |
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| `src/shared/audio/VoskSTTEngine.hpp` | 77 | ✅ Complet | Engine STT local Vosk |
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| `src/shared/audio/VoskSTTEngine.cpp` | 201 | ✅ Complet | Implémentation Vosk |
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| `config/voice.json` | 36 | ✅ Complet | Config Phase 7 |
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### 📝 Fichiers Modifiés
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| Fichier | Modifications | Status |
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|---------|---------------|--------|
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| `src/shared/audio/ISTTEngine.hpp` | Ajout factory multi-engine | ✅ OK |
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| `src/shared/audio/STTEngineFactory.cpp` | Support Vosk + auto-selection | ✅ OK |
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| `src/services/VoiceService.hpp` | Intégration ISTTService | ✅ OK |
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| `src/services/VoiceService.cpp` | Nouvelle méthode configureSTT | ⚠️ Ne compile pas |
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| `src/main.cpp` | Chargement config Phase 7 | ✅ OK |
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| `CMakeLists.txt` | Ajout fichiers + dépendance Vosk | ✅ OK |
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---
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## Fonctionnalités Implémentées
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### Phase 7.1 - Service Layer (MVP) ✅
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**Interface ISTTService**:
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- Modes passive/active (enum `STTMode`)
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- Callbacks pour transcription et keywords
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- Support multi-engines via factory
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- Méthodes: `start()`, `stop()`, `setMode()`, `transcribe()`, `transcribeFile()`
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**Implémentation STTService**:
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- Chargement config JSON (active_mode, whisper_api)
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- Factory pattern pour créer engines (Vosk, Whisper API, auto)
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- Callbacks fonctionnels (non testés)
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- État: mode actif uniquement (passive mode = Phase 7.2)
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**Engine Vosk**:
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- Support modèles locaux (vosk-model-small-fr-0.22)
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- Transcription fichiers WAV
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- Transcription données PCM
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- Compile flag `HAS_VOSK` pour compilation optionnelle
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- Parse JSON results de Vosk
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- Lecture fichiers WAV (header + PCM data)
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**Factory Pattern**:
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```cpp
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STTEngineFactory::create(
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type, // "vosk", "whisper-api", "auto"
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modelPath, // "./models/vosk-model-small-fr-0.22"
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apiKey // Fallback Whisper API
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)
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```
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**Configuration**:
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```json
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{
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"stt": {
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"active_mode": {
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"enabled": true,
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"engine": "vosk",
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"model_path": "./models/vosk-model-small-fr-0.22",
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"language": "fr"
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},
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"whisper_api": {
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"api_key_env": "OPENAI_API_KEY"
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}
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}
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}
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```
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---
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## Solutions Tentées (Sans Succès)
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### 1. Ordre des Includes ❌
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```cpp
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// Testé: nlohmann/json avant tout
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#include <nlohmann/json.hpp>
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#include "VoiceService.hpp"
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// Résultat: Macros déjà définies par JsonDataNode.h
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```
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### 2. Macros SPDLOG ❌
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```cpp
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// Testé: Utiliser SPDLOG_LOGGER_INFO au lieu de m_logger->info
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SPDLOG_LOGGER_INFO(m_logger, "message");
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// Résultat: Mêmes conflits (macros fmt sous-jacentes)
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```
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### 3. Logs Sans Format ⚠️ Partiel
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```cpp
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// Testé: Enlever tous les paramètres de format
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m_logger->info("STT service started"); // au lieu de "... {}", var
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// Résultat: Réduit les erreurs mais ne résout pas le problème de fond
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```
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### 4. Namespaces Explicites ❌
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```cpp
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// Testé: ::std::queue, ::spdlog::logger
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// Résultat: Macros s'appliquent avant la résolution du namespace
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```
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---
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## Solutions Possibles (Non Testées)
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### Option A: Fixer GroveEngine 🔨
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**Modifier** `external/GroveEngine/include/grove/JsonDataNode.h`
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Problème: JsonDataNode.h définit probablement des macros comme:
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```cpp
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#define logger // quelque chose
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#define queue // quelque chose
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```
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**Action**: Remplacer les macros par des constexpr ou enum class
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**Avantage**: Résout le problème à la racine
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**Inconvénient**: Modifie GroveEngine (dépendance externe)
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### Option B: Isolation de Namespace 🔒
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Créer un fichier séparé sans includes GroveEngine:
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```cpp
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// stt_impl.cpp - PAS d'include JsonDataNode.h
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namespace aissia::stt_impl {
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// Toute la logique STT ici
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}
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```
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**Avantage**: Isole le problème
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**Inconvénient**: Duplication de code, complexité
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### Option C: Refactor en Service Séparé 🏗️
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```cpp
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// Ne pas intégrer STTService dans VoiceService
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// Créer un service indépendant communicant via IIO pub/sub
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```
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**Avantage**: Meilleure séparation des responsabilités
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**Inconvénient**: Refonte architecture (temps)
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### Option D: Compiler en Bibliothèque Statique 📦
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```cmake
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# Compiler STTService en lib séparée AVANT VoiceService
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add_library(AissiaSTT STATIC src/services/STTService.cpp)
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# Avec flags de compilation spécifiques
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```
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**Avantage**: Contrôle fin sur ordre de compilation
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**Inconvénient**: Peut ne pas suffire (macros sont au preprocessor)
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---
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## Recommandation
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**Option A** (Fixer GroveEngine) est la meilleure solution long terme:
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1. Identifier les macros problématiques dans `JsonDataNode.h`
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2. Les remplacer par:
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```cpp
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// Au lieu de #define logger ...
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static constexpr int LOGGER_SOMETHING = ...;
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```
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3. Mettre à jour GroveEngine ou forker
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**Court terme**: Désactiver STTService dans CMakeLists et continuer Phase 7.2 (PocketSphinx) en parallèle.
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---
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## Impact
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### ✅ Ce qui fonctionne
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- Architecture STT complète (interfaces, factory, engines)
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- Configuration JSON
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- Integration conceptuelle dans VoiceService
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- Tests peuvent être écrits (sans exécution)
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### ❌ Ce qui bloque
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- Compilation de `VoiceService.cpp`
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- Compilation de `STTService.cpp`
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- Tests d'intégration
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- Utilisation effective du STT
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### 🔄 Workaround Temporaire
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```cpp
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// Dans main.cpp: NE PAS appeler voiceService.configureSTT()
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// Le reste de l'application compile et fonctionne
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```
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---
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## Prochaines Étapes
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### Court Terme (Déblocage)
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1. ✅ Documenter le problème (ce fichier)
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2. ⏭️ Commit le code actuel (architecture valide)
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3. ⏭️ Investiguer GroveEngine/JsonDataNode.h
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4. ⏭️ Tester Option A (fix macros)
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### Moyen Terme (Phase 7.2)
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Si Option A échoue:
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- Implémenter PocketSphinxEngine séparément (compile indépendamment)
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- Tests unitaires des engines (sans VoiceService)
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- Documentation architecture alternative
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### Long Terme (Phase 7 Complète)
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- Résoudre conflits macros définitivement
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- Intégration complète STT → VoiceService
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- Tests end-to-end avec microphone
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---
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## Logs de Compilation (Exemple)
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```
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/src/services/VoiceService.cpp:84:34: error:
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request for member 'empty' in 'm_speakQueue', which is of non-class type 'int'
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84 | while (!m_speakQueue.empty()) m_speakQueue.pop();
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| ^~~~~
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/src/services/VoiceService.cpp:10:42: error:
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no match for 'operator=' (operand types are 'std::shared_ptr<spdlog::logger>' and 'int')
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10 | m_logger = spdlog::get("VoiceService");
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| ^
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/spdlog/sinks/stdout_color_sinks.h:39:17: error:
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'logger' was not declared in this scope; did you mean 'spdlog::logger'?
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```
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**Diagnostic**: Les macros remplacent `logger` et `queue` par autre chose (probablement `int` ou vide), causant des erreurs de type.
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---
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## Références
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- **Plan original**: `plans/PHASE7_STT_IMPLEMENTATION.md`
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- **Issue similaire**: https://github.com/gabime/spdlog/issues/1897 (macro conflicts)
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- **Vosk API**: https://alphacephei.com/vosk/
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- **GroveEngine**: `external/GroveEngine/include/grove/JsonDataNode.h`
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---
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**Auteur**: Claude Code
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**Dernière mise à jour**: 2025-11-29
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**Status**: 🔴 Bloqué - Attend résolution conflits macros
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947
plans/PHASE7_STT_IMPLEMENTATION.md
Normal file
947
plans/PHASE7_STT_IMPLEMENTATION.md
Normal file
@ -0,0 +1,947 @@
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# Phase 7 - Implémentation STT Modulaire
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**Date de création** : 2025-11-29
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**Objectif** : Architecture STT complète avec support multi-engines (Vosk, PocketSphinx, Whisper)
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**Nom de l'assistant** : Celuna (anciennement AISSIA)
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---
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## Vue d'Ensemble
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### Objectifs
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1. **Architecture modulaire** : Interface `ISTTEngine` avec 4 implémentations
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2. **Service STT** : Layer `ISTTService` pour abstraction business logic
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3. **Dual Mode** : Passive (keyword spotting) + Active (transcription complète)
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4. **Coût optimisé** : Local par défaut, Whisper API en fallback optionnel
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---
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## Architecture Cible
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```
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┌─────────────────────────────────────────────────────────┐
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│ VoiceService │
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│ - Gère TTS (EspeakTTSEngine) │
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│ - Gère STT via ISTTService │
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│ - Pub/sub IIO (voice:speak, voice:listen, etc.) │
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└─────────────────────────────────────────────────────────┘
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│
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▼
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┌─────────────────────────────────────────────────────────┐
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│ ISTTService │
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│ - Interface service STT │
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│ - Gère mode passive/active │
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│ - Switch engines selon config │
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│ - Fallback automatique │
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└─────────────────────────────────────────────────────────┘
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│
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▼
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┌─────────────────────────────────────────────────────────┐
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│ STTEngineFactory │
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│ - create(type, config) → unique_ptr<ISTTEngine> │
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└─────────────────────────────────────────────────────────┘
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│
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┌────────────────┼────────────────┬──────────────┐
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▼ ▼ ▼ ▼
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┌──────────┐ ┌──────────────┐ ┌─────────────┐ ┌──────────────┐
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│ Vosk │ │ PocketSphinx │ │ WhisperCpp │ │ WhisperAPI │
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│ Engine │ │ Engine │ │ Engine │ │ Engine │
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└──────────┘ └──────────────┘ └─────────────┘ └──────────────┘
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Local Local (keywords) Local (précis) Remote (payant)
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50MB model Léger ~10MB 75-142MB API OpenAI
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```
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|
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---
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## Phase 7.1 - Service Layer (ISTTService)
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### Objectif
|
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Créer une couche service qui abstrait la complexité des engines STT et gère :
|
||||
- Mode passive/active
|
||||
- Switching d'engines
|
||||
- Fallback automatique
|
||||
- Gestion erreurs
|
||||
|
||||
### Fichiers à créer
|
||||
|
||||
#### 1. `src/services/ISTTService.hpp`
|
||||
|
||||
**Interface du service STT**
|
||||
|
||||
```cpp
|
||||
#pragma once
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <functional>
|
||||
#include <memory>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
enum class STTMode {
|
||||
PASSIVE, // Keyword spotting (économe)
|
||||
ACTIVE // Full transcription
|
||||
};
|
||||
|
||||
enum class STTEngineType {
|
||||
VOSK,
|
||||
POCKETSPHINX,
|
||||
WHISPER_CPP,
|
||||
WHISPER_API,
|
||||
AUTO // Factory choisit
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Callback pour résultats transcription
|
||||
*/
|
||||
using TranscriptionCallback = std::function<void(const std::string& text, STTMode mode)>;
|
||||
|
||||
/**
|
||||
* @brief Callback pour détection keyword
|
||||
*/
|
||||
using KeywordCallback = std::function<void(const std::string& keyword)>;
|
||||
|
||||
/**
|
||||
* @brief Interface service STT
|
||||
*/
|
||||
class ISTTService {
|
||||
public:
|
||||
virtual ~ISTTService() = default;
|
||||
|
||||
/**
|
||||
* @brief Démarre le service STT
|
||||
*/
|
||||
virtual bool start() = 0;
|
||||
|
||||
/**
|
||||
* @brief Arrête le service STT
|
||||
*/
|
||||
virtual void stop() = 0;
|
||||
|
||||
/**
|
||||
* @brief Change le mode STT
|
||||
*/
|
||||
virtual void setMode(STTMode mode) = 0;
|
||||
|
||||
/**
|
||||
* @brief Obtient le mode actuel
|
||||
*/
|
||||
virtual STTMode getMode() const = 0;
|
||||
|
||||
/**
|
||||
* @brief Transcrit un fichier audio
|
||||
*/
|
||||
virtual std::string transcribeFile(const std::string& filePath) = 0;
|
||||
|
||||
/**
|
||||
* @brief Transcrit des données audio PCM
|
||||
*/
|
||||
virtual std::string transcribe(const std::vector<float>& audioData) = 0;
|
||||
|
||||
/**
|
||||
* @brief Active l'écoute en streaming (temps réel)
|
||||
*/
|
||||
virtual void startListening(TranscriptionCallback onTranscription,
|
||||
KeywordCallback onKeyword) = 0;
|
||||
|
||||
/**
|
||||
* @brief Arrête l'écoute streaming
|
||||
*/
|
||||
virtual void stopListening() = 0;
|
||||
|
||||
/**
|
||||
* @brief Configure la langue
|
||||
*/
|
||||
virtual void setLanguage(const std::string& language) = 0;
|
||||
|
||||
/**
|
||||
* @brief Vérifie si le service est disponible
|
||||
*/
|
||||
virtual bool isAvailable() const = 0;
|
||||
|
||||
/**
|
||||
* @brief Obtient le nom de l'engine actuel
|
||||
*/
|
||||
virtual std::string getCurrentEngine() const = 0;
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
```
|
||||
|
||||
**Estimation** : 50 lignes
|
||||
|
||||
---
|
||||
|
||||
#### 2. `src/services/STTService.hpp` + `.cpp`
|
||||
|
||||
**Implémentation du service STT**
|
||||
|
||||
**Features** :
|
||||
- Gère 2 engines : 1 pour passive (PocketSphinx), 1 pour active (Vosk/Whisper)
|
||||
- Switch automatique passive → active sur keyword
|
||||
- Timeout active → passive (30s sans parole)
|
||||
- Fallback vers Whisper API si engine local fail
|
||||
- Thread d'écoute microphone (via PortAudio ou ALSA)
|
||||
|
||||
**Pseudo-code** :
|
||||
|
||||
```cpp
|
||||
class STTService : public ISTTService {
|
||||
private:
|
||||
std::unique_ptr<ISTTEngine> m_passiveEngine; // PocketSphinx
|
||||
std::unique_ptr<ISTTEngine> m_activeEngine; // Vosk/Whisper
|
||||
std::unique_ptr<ISTTEngine> m_fallbackEngine; // WhisperAPI
|
||||
|
||||
STTMode m_currentMode = STTMode::PASSIVE;
|
||||
|
||||
std::thread m_listenThread;
|
||||
std::atomic<bool> m_listening{false};
|
||||
|
||||
TranscriptionCallback m_onTranscription;
|
||||
KeywordCallback m_onKeyword;
|
||||
|
||||
std::chrono::steady_clock::time_point m_lastActivity;
|
||||
|
||||
public:
|
||||
bool start() override {
|
||||
// Load engines from config
|
||||
m_passiveEngine = STTEngineFactory::create("pocketsphinx", config);
|
||||
m_activeEngine = STTEngineFactory::create("vosk", config);
|
||||
m_fallbackEngine = STTEngineFactory::create("whisper-api", config);
|
||||
|
||||
return m_passiveEngine && m_activeEngine;
|
||||
}
|
||||
|
||||
void startListening(TranscriptionCallback onTranscription,
|
||||
KeywordCallback onKeyword) override {
|
||||
m_onTranscription = onTranscription;
|
||||
m_onKeyword = onKeyword;
|
||||
|
||||
m_listening = true;
|
||||
m_listenThread = std::thread([this]() {
|
||||
listenLoop();
|
||||
});
|
||||
}
|
||||
|
||||
private:
|
||||
void listenLoop() {
|
||||
// Ouvrir microphone (PortAudio)
|
||||
// Boucle infinie :
|
||||
// - Si PASSIVE : use m_passiveEngine (keywords only)
|
||||
// - Si keyword détecté → setMode(ACTIVE) + callback
|
||||
// - Si ACTIVE : use m_activeEngine (full transcription)
|
||||
// - Transcrit en temps réel
|
||||
// - Si timeout 30s → setMode(PASSIVE)
|
||||
}
|
||||
};
|
||||
```
|
||||
|
||||
**Estimation** : 300 lignes (service + thread microphone)
|
||||
|
||||
---
|
||||
|
||||
## Phase 7.2 - Engines STT
|
||||
|
||||
### Fichiers à modifier/créer
|
||||
|
||||
#### 1. `src/shared/audio/ISTTEngine.hpp` ✅ Existe
|
||||
|
||||
**Modifications** : Aucune (interface déjà bonne)
|
||||
|
||||
---
|
||||
|
||||
#### 2. `src/shared/audio/WhisperAPIEngine.hpp` ✅ Existe
|
||||
|
||||
**Modifications** : Aucune (déjà implémenté, sera utilisé comme fallback)
|
||||
|
||||
---
|
||||
|
||||
#### 3. `src/shared/audio/VoskSTTEngine.hpp` 🆕 À créer
|
||||
|
||||
**Vosk Speech Recognition**
|
||||
|
||||
**Dépendances** :
|
||||
- `vosk` library (C++ bindings)
|
||||
- Modèle français : `vosk-model-small-fr-0.22` (~50MB)
|
||||
|
||||
**Installation** :
|
||||
```bash
|
||||
# Linux
|
||||
sudo apt install libvosk-dev
|
||||
|
||||
# Télécharger modèle FR
|
||||
wget https://alphacephei.com/vosk/models/vosk-model-small-fr-0.22.zip
|
||||
unzip vosk-model-small-fr-0.22.zip -d models/
|
||||
```
|
||||
|
||||
**Implémentation** :
|
||||
|
||||
```cpp
|
||||
#pragma once
|
||||
|
||||
#include "ISTTEngine.hpp"
|
||||
#include <vosk_api.h>
|
||||
#include <spdlog/spdlog.h>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
class VoskSTTEngine : public ISTTEngine {
|
||||
public:
|
||||
explicit VoskSTTEngine(const std::string& modelPath) {
|
||||
m_logger = spdlog::get("VoskSTT");
|
||||
if (!m_logger) {
|
||||
m_logger = spdlog::stdout_color_mt("VoskSTT");
|
||||
}
|
||||
|
||||
// Load Vosk model
|
||||
m_model = vosk_model_new(modelPath.c_str());
|
||||
if (!m_model) {
|
||||
m_logger->error("Failed to load Vosk model: {}", modelPath);
|
||||
m_available = false;
|
||||
return;
|
||||
}
|
||||
|
||||
// Create recognizer (16kHz, mono)
|
||||
m_recognizer = vosk_recognizer_new(m_model, 16000.0);
|
||||
m_available = true;
|
||||
|
||||
m_logger->info("Vosk STT initialized: {}", modelPath);
|
||||
}
|
||||
|
||||
~VoskSTTEngine() override {
|
||||
if (m_recognizer) vosk_recognizer_free(m_recognizer);
|
||||
if (m_model) vosk_model_free(m_model);
|
||||
}
|
||||
|
||||
std::string transcribe(const std::vector<float>& audioData) override {
|
||||
if (!m_available || audioData.empty()) return "";
|
||||
|
||||
// Convert float to int16
|
||||
std::vector<int16_t> samples(audioData.size());
|
||||
for (size_t i = 0; i < audioData.size(); ++i) {
|
||||
samples[i] = static_cast<int16_t>(audioData[i] * 32767.0f);
|
||||
}
|
||||
|
||||
// Feed audio to recognizer
|
||||
vosk_recognizer_accept_waveform(m_recognizer,
|
||||
reinterpret_cast<const char*>(samples.data()),
|
||||
samples.size() * sizeof(int16_t));
|
||||
|
||||
// Get final result
|
||||
const char* result = vosk_recognizer_final_result(m_recognizer);
|
||||
|
||||
// Parse JSON result: {"text": "transcription"}
|
||||
std::string text = parseVoskResult(result);
|
||||
|
||||
m_logger->debug("Transcribed: {}", text);
|
||||
return text;
|
||||
}
|
||||
|
||||
std::string transcribeFile(const std::string& filePath) override {
|
||||
// Load WAV file, convert to PCM, call transcribe()
|
||||
// (Implementation omitted for brevity)
|
||||
}
|
||||
|
||||
void setLanguage(const std::string& language) override {
|
||||
// Vosk model is language-specific, can't change at runtime
|
||||
}
|
||||
|
||||
bool isAvailable() const override { return m_available; }
|
||||
std::string getEngineName() const override { return "vosk"; }
|
||||
|
||||
private:
|
||||
VoskModel* m_model = nullptr;
|
||||
VoskRecognizer* m_recognizer = nullptr;
|
||||
bool m_available = false;
|
||||
std::shared_ptr<spdlog::logger> m_logger;
|
||||
|
||||
std::string parseVoskResult(const char* json) {
|
||||
// Parse JSON: {"text": "bonjour"} → "bonjour"
|
||||
// Use nlohmann::json
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
```
|
||||
|
||||
**Estimation** : 200 lignes
|
||||
|
||||
---
|
||||
|
||||
#### 4. `src/shared/audio/PocketSphinxEngine.hpp` 🆕 À créer
|
||||
|
||||
**PocketSphinx Keyword Spotting**
|
||||
|
||||
**Dépendances** :
|
||||
- `pocketsphinx` library
|
||||
- Acoustic model (phonétique)
|
||||
|
||||
**Installation** :
|
||||
```bash
|
||||
sudo apt install pocketsphinx pocketsphinx-en-us
|
||||
```
|
||||
|
||||
**Configuration Keywords** :
|
||||
```
|
||||
# keywords.txt
|
||||
celuna /1e-40/
|
||||
hey celuna /1e-50/
|
||||
```
|
||||
|
||||
**Implémentation** :
|
||||
|
||||
```cpp
|
||||
#pragma once
|
||||
|
||||
#include "ISTTEngine.hpp"
|
||||
#include <pocketsphinx.h>
|
||||
#include <spdlog/spdlog.h>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
class PocketSphinxEngine : public ISTTEngine {
|
||||
public:
|
||||
explicit PocketSphinxEngine(const std::vector<std::string>& keywords,
|
||||
const std::string& modelPath) {
|
||||
m_logger = spdlog::get("PocketSphinx");
|
||||
if (!m_logger) {
|
||||
m_logger = spdlog::stdout_color_mt("PocketSphinx");
|
||||
}
|
||||
|
||||
// Create keyword file
|
||||
createKeywordFile(keywords);
|
||||
|
||||
// Initialize PocketSphinx
|
||||
ps_config_t* config = ps_config_init(NULL);
|
||||
ps_config_set_str(config, "hmm", modelPath.c_str());
|
||||
ps_config_set_str(config, "kws", "/tmp/celuna_keywords.txt");
|
||||
ps_config_set_float(config, "kws_threshold", 1e-40);
|
||||
|
||||
m_decoder = ps_init(config);
|
||||
m_available = (m_decoder != nullptr);
|
||||
|
||||
if (m_available) {
|
||||
m_logger->info("PocketSphinx initialized for keyword spotting");
|
||||
}
|
||||
}
|
||||
|
||||
~PocketSphinxEngine() override {
|
||||
if (m_decoder) ps_free(m_decoder);
|
||||
}
|
||||
|
||||
std::string transcribe(const std::vector<float>& audioData) override {
|
||||
if (!m_available || audioData.empty()) return "";
|
||||
|
||||
// Convert to int16
|
||||
std::vector<int16_t> samples(audioData.size());
|
||||
for (size_t i = 0; i < audioData.size(); ++i) {
|
||||
samples[i] = static_cast<int16_t>(audioData[i] * 32767.0f);
|
||||
}
|
||||
|
||||
// Process audio
|
||||
ps_start_utt(m_decoder);
|
||||
ps_process_raw(m_decoder, samples.data(), samples.size(), FALSE, FALSE);
|
||||
ps_end_utt(m_decoder);
|
||||
|
||||
// Get keyword (if detected)
|
||||
const char* hyp = ps_get_hyp(m_decoder, nullptr);
|
||||
std::string keyword = (hyp ? hyp : "");
|
||||
|
||||
if (!keyword.empty()) {
|
||||
m_logger->info("Keyword detected: {}", keyword);
|
||||
}
|
||||
|
||||
return keyword;
|
||||
}
|
||||
|
||||
std::string transcribeFile(const std::string& filePath) override {
|
||||
// Not used for keyword spotting (streaming only)
|
||||
return "";
|
||||
}
|
||||
|
||||
void setLanguage(const std::string& language) override {}
|
||||
bool isAvailable() const override { return m_available; }
|
||||
std::string getEngineName() const override { return "pocketsphinx"; }
|
||||
|
||||
private:
|
||||
ps_decoder_t* m_decoder = nullptr;
|
||||
bool m_available = false;
|
||||
std::shared_ptr<spdlog::logger> m_logger;
|
||||
|
||||
void createKeywordFile(const std::vector<std::string>& keywords) {
|
||||
std::ofstream file("/tmp/celuna_keywords.txt");
|
||||
for (const auto& kw : keywords) {
|
||||
file << kw << " /1e-40/\n";
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
```
|
||||
|
||||
**Estimation** : 180 lignes
|
||||
|
||||
---
|
||||
|
||||
#### 5. `src/shared/audio/WhisperCppEngine.hpp` 🆕 À créer (OPTIONNEL)
|
||||
|
||||
**whisper.cpp - Local Whisper**
|
||||
|
||||
**Dépendances** :
|
||||
- `whisper.cpp` (ggerganov)
|
||||
- Modèle : `ggml-tiny.bin` (75MB) ou `ggml-base.bin` (142MB)
|
||||
|
||||
**Installation** :
|
||||
```bash
|
||||
git clone https://github.com/ggerganov/whisper.cpp external/whisper.cpp
|
||||
cd external/whisper.cpp
|
||||
make
|
||||
./models/download-ggml-model.sh tiny
|
||||
```
|
||||
|
||||
**Implémentation** : Similar à Vosk mais avec API whisper.cpp
|
||||
|
||||
**Estimation** : 250 lignes
|
||||
|
||||
**⚠️ Note** : Optionnel, à implémenter seulement si besoin haute précision locale
|
||||
|
||||
---
|
||||
|
||||
#### 6. `src/shared/audio/STTEngineFactory.cpp` 📝 Modifier
|
||||
|
||||
**Factory pattern pour créer engines**
|
||||
|
||||
```cpp
|
||||
#include "STTEngineFactory.hpp"
|
||||
#include "VoskSTTEngine.hpp"
|
||||
#include "PocketSphinxEngine.hpp"
|
||||
#include "WhisperCppEngine.hpp"
|
||||
#include "WhisperAPIEngine.hpp"
|
||||
|
||||
namespace aissia {
|
||||
|
||||
std::unique_ptr<ISTTEngine> STTEngineFactory::create(
|
||||
const std::string& type,
|
||||
const nlohmann::json& config) {
|
||||
|
||||
if (type == "vosk" || type == "auto") {
|
||||
std::string modelPath = config.value("model_path", "./models/vosk-model-small-fr-0.22");
|
||||
auto engine = std::make_unique<VoskSTTEngine>(modelPath);
|
||||
if (engine->isAvailable()) return engine;
|
||||
}
|
||||
|
||||
if (type == "pocketsphinx") {
|
||||
std::vector<std::string> keywords = config.value("keywords", std::vector<std::string>{"celuna"});
|
||||
std::string modelPath = config.value("model_path", "/usr/share/pocketsphinx/model/en-us");
|
||||
auto engine = std::make_unique<PocketSphinxEngine>(keywords, modelPath);
|
||||
if (engine->isAvailable()) return engine;
|
||||
}
|
||||
|
||||
if (type == "whisper-cpp") {
|
||||
std::string modelPath = config.value("model_path", "./models/ggml-tiny.bin");
|
||||
auto engine = std::make_unique<WhisperCppEngine>(modelPath);
|
||||
if (engine->isAvailable()) return engine;
|
||||
}
|
||||
|
||||
if (type == "whisper-api") {
|
||||
std::string apiKey = std::getenv(config.value("api_key_env", "OPENAI_API_KEY").c_str());
|
||||
if (!apiKey.empty()) {
|
||||
return std::make_unique<WhisperAPIEngine>(apiKey);
|
||||
}
|
||||
}
|
||||
|
||||
// Fallback: stub engine (no-op)
|
||||
return std::make_unique<StubSTTEngine>();
|
||||
}
|
||||
|
||||
} // namespace aissia
|
||||
```
|
||||
|
||||
**Estimation** : 80 lignes
|
||||
|
||||
---
|
||||
|
||||
## Phase 7.3 - Intégration VoiceService
|
||||
|
||||
### Fichier à modifier
|
||||
|
||||
#### `src/services/VoiceService.cpp`
|
||||
|
||||
**Modifications** :
|
||||
|
||||
1. **Remplacer implémentation directe par ISTTService**
|
||||
|
||||
**Avant** :
|
||||
```cpp
|
||||
// VoiceService gère directement WhisperAPIEngine
|
||||
std::unique_ptr<WhisperAPIEngine> m_sttEngine;
|
||||
```
|
||||
|
||||
**Après** :
|
||||
```cpp
|
||||
// VoiceService délègue à ISTTService
|
||||
std::unique_ptr<ISTTService> m_sttService;
|
||||
```
|
||||
|
||||
2. **Initialisation** :
|
||||
|
||||
```cpp
|
||||
void VoiceService::initialize(const nlohmann::json& config) {
|
||||
// TTS (unchanged)
|
||||
m_ttsEngine = TTSEngineFactory::create();
|
||||
|
||||
// STT (new)
|
||||
m_sttService = std::make_unique<STTService>(config["stt"]);
|
||||
m_sttService->start();
|
||||
|
||||
// Setup callbacks
|
||||
m_sttService->startListening(
|
||||
[this](const std::string& text, STTMode mode) {
|
||||
handleTranscription(text, mode);
|
||||
},
|
||||
[this](const std::string& keyword) {
|
||||
handleKeyword(keyword);
|
||||
}
|
||||
);
|
||||
}
|
||||
```
|
||||
|
||||
3. **Handlers** :
|
||||
|
||||
```cpp
|
||||
void VoiceService::handleKeyword(const std::string& keyword) {
|
||||
m_logger->info("Keyword detected: {}", keyword);
|
||||
|
||||
// Publish keyword detection
|
||||
nlohmann::json event = {
|
||||
{"type", "keyword_detected"},
|
||||
{"keyword", keyword},
|
||||
{"timestamp", std::time(nullptr)}
|
||||
};
|
||||
m_io->publish("voice:keyword_detected", event);
|
||||
|
||||
// Auto-switch to active mode
|
||||
m_sttService->setMode(STTMode::ACTIVE);
|
||||
}
|
||||
|
||||
void VoiceService::handleTranscription(const std::string& text, STTMode mode) {
|
||||
m_logger->info("Transcription ({}): {}",
|
||||
mode == STTMode::PASSIVE ? "passive" : "active", text);
|
||||
|
||||
// Publish transcription
|
||||
nlohmann::json event = {
|
||||
{"type", "transcription"},
|
||||
{"text", text},
|
||||
{"mode", mode == STTMode::PASSIVE ? "passive" : "active"},
|
||||
{"timestamp", std::time(nullptr)}
|
||||
};
|
||||
m_io->publish("voice:transcription", event);
|
||||
}
|
||||
```
|
||||
|
||||
**Estimation modifications** : +150 lignes
|
||||
|
||||
---
|
||||
|
||||
## Phase 7.4 - Configuration
|
||||
|
||||
### Fichier à modifier
|
||||
|
||||
#### `config/voice.json`
|
||||
|
||||
**Configuration complète** :
|
||||
|
||||
```json
|
||||
{
|
||||
"tts": {
|
||||
"enabled": true,
|
||||
"engine": "auto",
|
||||
"rate": 0,
|
||||
"volume": 80,
|
||||
"voice": "fr-fr"
|
||||
},
|
||||
"stt": {
|
||||
"passive_mode": {
|
||||
"enabled": true,
|
||||
"engine": "pocketsphinx",
|
||||
"keywords": ["celuna", "hey celuna", "ok celuna"],
|
||||
"threshold": 0.8,
|
||||
"model_path": "/usr/share/pocketsphinx/model/en-us"
|
||||
},
|
||||
"active_mode": {
|
||||
"enabled": true,
|
||||
"engine": "vosk",
|
||||
"model_path": "./models/vosk-model-small-fr-0.22",
|
||||
"language": "fr",
|
||||
"timeout_seconds": 30,
|
||||
"fallback_engine": "whisper-api"
|
||||
},
|
||||
"whisper_api": {
|
||||
"api_key_env": "OPENAI_API_KEY",
|
||||
"model": "whisper-1"
|
||||
},
|
||||
"microphone": {
|
||||
"device_id": -1,
|
||||
"sample_rate": 16000,
|
||||
"channels": 1,
|
||||
"buffer_size": 1024
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Phase 7.5 - Tests
|
||||
|
||||
### Fichiers à créer
|
||||
|
||||
#### `tests/services/STTServiceTests.cpp`
|
||||
|
||||
**Tests unitaires** :
|
||||
- ✅ Création service
|
||||
- ✅ Start/stop
|
||||
- ✅ Switch passive/active
|
||||
- ✅ Keyword detection
|
||||
- ✅ Transcription
|
||||
- ✅ Fallback engine
|
||||
- ✅ Timeout active → passive
|
||||
|
||||
**Estimation** : 200 lignes
|
||||
|
||||
---
|
||||
|
||||
#### `tests/integration/IT_014_VoicePassiveMode.cpp`
|
||||
|
||||
**Test d'intégration passive mode** :
|
||||
|
||||
```cpp
|
||||
// Simulate audio avec keyword "celuna"
|
||||
// Vérifie :
|
||||
// 1. PocketSphinx détecte keyword
|
||||
// 2. Event "voice:keyword_detected" publié
|
||||
// 3. Switch vers ACTIVE mode
|
||||
// 4. Timeout 30s → retour PASSIVE
|
||||
```
|
||||
|
||||
**Estimation** : 150 lignes
|
||||
|
||||
---
|
||||
|
||||
#### `tests/integration/IT_015_VoiceActiveTranscription.cpp`
|
||||
|
||||
**Test d'intégration active mode** :
|
||||
|
||||
```cpp
|
||||
// Simulate conversation complète :
|
||||
// 1. User: "celuna" → keyword detected
|
||||
// 2. User: "quelle heure est-il ?" → transcription via Vosk
|
||||
// 3. AI responds → TTS
|
||||
// 4. Timeout → retour passive
|
||||
```
|
||||
|
||||
**Estimation** : 200 lignes
|
||||
|
||||
---
|
||||
|
||||
## Phase 7.6 - Documentation
|
||||
|
||||
### Fichiers à créer/modifier
|
||||
|
||||
#### `docs/STT_ARCHITECTURE.md`
|
||||
|
||||
**Documentation technique** :
|
||||
- Architecture STT
|
||||
- Choix engines
|
||||
- Configuration
|
||||
- Troubleshooting
|
||||
|
||||
**Estimation** : 400 lignes
|
||||
|
||||
---
|
||||
|
||||
#### `README.md`
|
||||
|
||||
**Mise à jour roadmap** :
|
||||
|
||||
```markdown
|
||||
### Completed ✅
|
||||
- [x] STT multi-engine (Vosk, PocketSphinx, Whisper)
|
||||
- [x] Passive/Active mode (keyword "Celuna")
|
||||
- [x] Local STT (coût zéro)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Récapitulatif Estimation
|
||||
|
||||
| Tâche | Fichiers | Lignes | Priorité |
|
||||
|-------|----------|--------|----------|
|
||||
| **7.1 Service Layer** | `ISTTService.hpp`, `STTService.{h,cpp}` | 350 | P0 |
|
||||
| **7.2 Vosk Engine** | `VoskSTTEngine.hpp` | 200 | P0 |
|
||||
| **7.2 PocketSphinx** | `PocketSphinxEngine.hpp` | 180 | P1 |
|
||||
| **7.2 WhisperCpp** | `WhisperCppEngine.hpp` | 250 | P2 (optionnel) |
|
||||
| **7.2 Factory** | `STTEngineFactory.cpp` | 80 | P0 |
|
||||
| **7.3 VoiceService** | `VoiceService.cpp` (modifs) | +150 | P0 |
|
||||
| **7.4 Config** | `voice.json` | +30 | P0 |
|
||||
| **7.5 Tests unitaires** | `STTServiceTests.cpp` | 200 | P1 |
|
||||
| **7.5 Tests intégration** | `IT_014`, `IT_015` | 350 | P1 |
|
||||
| **7.6 Documentation** | `STT_ARCHITECTURE.md`, README | 450 | P2 |
|
||||
| **TOTAL** | 14 fichiers | **~2240 lignes** | |
|
||||
|
||||
---
|
||||
|
||||
## Plan d'Exécution
|
||||
|
||||
### Milestone 1 : MVP STT Local (Vosk seul) ⚡
|
||||
|
||||
**Objectif** : STT fonctionnel sans keyword detection
|
||||
|
||||
**Tâches** :
|
||||
1. ✅ Créer `ISTTService.hpp`
|
||||
2. ✅ Créer `STTService` (simple, sans passive mode)
|
||||
3. ✅ Créer `VoskSTTEngine`
|
||||
4. ✅ Modifier `STTEngineFactory`
|
||||
5. ✅ Intégrer dans `VoiceService`
|
||||
6. ✅ Config `voice.json`
|
||||
7. ✅ Test manuel transcription
|
||||
|
||||
**Durée estimée** : 3-4h
|
||||
**Lignes** : ~600
|
||||
|
||||
---
|
||||
|
||||
### Milestone 2 : Passive Mode (Keyword Detection) 🎧
|
||||
|
||||
**Objectif** : Détection "Celuna" + switch auto
|
||||
|
||||
**Tâches** :
|
||||
1. ✅ Créer `PocketSphinxEngine`
|
||||
2. ✅ Étendre `STTService` (dual mode)
|
||||
3. ✅ Callbacks keyword/transcription
|
||||
4. ✅ Timeout active → passive
|
||||
5. ✅ Config passive/active
|
||||
6. ✅ Tests IT_014, IT_015
|
||||
|
||||
**Durée estimée** : 4-5h
|
||||
**Lignes** : ~700
|
||||
|
||||
---
|
||||
|
||||
### Milestone 3 : Fallback Whisper API 🔄
|
||||
|
||||
**Objectif** : Robustesse avec fallback cloud
|
||||
|
||||
**Tâches** :
|
||||
1. ✅ Intégrer `WhisperAPIEngine` existant
|
||||
2. ✅ Logique fallback dans `STTService`
|
||||
3. ✅ Config fallback
|
||||
4. ✅ Tests fallback
|
||||
|
||||
**Durée estimée** : 2h
|
||||
**Lignes** : ~200
|
||||
|
||||
---
|
||||
|
||||
### Milestone 4 : Polish & Documentation 📝
|
||||
|
||||
**Tâches** :
|
||||
1. ✅ Documentation complète
|
||||
2. ✅ Tests unitaires STTService
|
||||
3. ✅ Troubleshooting guide
|
||||
4. ✅ Mise à jour README
|
||||
|
||||
**Durée estimée** : 3h
|
||||
**Lignes** : ~700
|
||||
|
||||
---
|
||||
|
||||
## Dépendances Externes
|
||||
|
||||
### À installer
|
||||
|
||||
```bash
|
||||
# Vosk
|
||||
sudo apt install libvosk-dev
|
||||
wget https://alphacephei.com/vosk/models/vosk-model-small-fr-0.22.zip
|
||||
unzip vosk-model-small-fr-0.22.zip -d models/
|
||||
|
||||
# PocketSphinx
|
||||
sudo apt install pocketsphinx pocketsphinx-en-us
|
||||
|
||||
# PortAudio (pour microphone)
|
||||
sudo apt install portaudio19-dev
|
||||
|
||||
# Optionnel: whisper.cpp
|
||||
git clone https://github.com/ggerganov/whisper.cpp external/whisper.cpp
|
||||
cd external/whisper.cpp && make
|
||||
```
|
||||
|
||||
### CMakeLists.txt
|
||||
|
||||
```cmake
|
||||
# Find Vosk
|
||||
find_library(VOSK_LIBRARY vosk REQUIRED)
|
||||
find_path(VOSK_INCLUDE_DIR vosk_api.h REQUIRED)
|
||||
|
||||
# Find PocketSphinx
|
||||
find_library(POCKETSPHINX_LIBRARY pocketsphinx REQUIRED)
|
||||
find_path(POCKETSPHINX_INCLUDE_DIR pocketsphinx.h REQUIRED)
|
||||
|
||||
# Find PortAudio
|
||||
find_library(PORTAUDIO_LIBRARY portaudio REQUIRED)
|
||||
find_path(PORTAUDIO_INCLUDE_DIR portaudio.h REQUIRED)
|
||||
|
||||
# Link
|
||||
target_link_libraries(VoiceService
|
||||
${VOSK_LIBRARY}
|
||||
${POCKETSPHINX_LIBRARY}
|
||||
${PORTAUDIO_LIBRARY}
|
||||
)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Risques & Mitigation
|
||||
|
||||
| Risque | Impact | Mitigation |
|
||||
|--------|--------|------------|
|
||||
| **Vosk model trop lourd** | RAM (50MB) | Utiliser `vosk-model-small` au lieu de `base` |
|
||||
| **PocketSphinx faux positifs** | UX | Ajuster threshold (1e-40 → 1e-50) |
|
||||
| **Microphone permissions** | Bloquant | Guide installation PortAudio + permissions |
|
||||
| **Latence transcription** | UX | Buffer 1-2s audio avant transcription |
|
||||
| **Whisper API coût** | Budget | Utiliser seulement en fallback (rare) |
|
||||
|
||||
---
|
||||
|
||||
## Prochaines Étapes
|
||||
|
||||
**Après validation de ce plan** :
|
||||
|
||||
1. **Installer dépendances** (Vosk, PocketSphinx, PortAudio)
|
||||
2. **Milestone 1** : Vosk STT basique
|
||||
3. **Tester** : Transcription fichier audio FR
|
||||
4. **Milestone 2** : Keyword "Celuna"
|
||||
5. **Tester** : Conversation complète passive → active
|
||||
6. **Commit + Push** : Phase 7 complète
|
||||
|
||||
---
|
||||
|
||||
## Validation Plan
|
||||
|
||||
**Questions avant implémentation** :
|
||||
|
||||
1. ✅ Architecture service layer approuvée ?
|
||||
2. ✅ Choix engines (Vosk + PocketSphinx) OK ?
|
||||
3. ❓ Besoin WhisperCpp ou Vosk suffit ?
|
||||
4. ✅ Nom "Celuna" confirmé ?
|
||||
5. ❓ Autres keywords à détecter ("hey celuna", "ok celuna") ?
|
||||
|
||||
---
|
||||
|
||||
**Auteur** : Claude Code
|
||||
**Date** : 2025-11-29
|
||||
**Phase** : 7 - STT Implementation
|
||||
**Status** : 📋 Plan - En attente validation
|
||||
28
src/main.cpp
28
src/main.cpp
@ -369,21 +369,23 @@ int main(int argc, char* argv[]) {
|
||||
aissia::VoiceService voiceService;
|
||||
voiceService.initialize(voiceIO.get());
|
||||
{
|
||||
auto voiceConfig = loadConfig(configDir + "voice.json");
|
||||
auto* ttsNode = voiceConfig->getChildReadOnly("tts");
|
||||
if (ttsNode) {
|
||||
bool enabled = ttsNode->getBool("enabled", true);
|
||||
int rate = ttsNode->getInt("rate", 0);
|
||||
int volume = ttsNode->getInt("volume", 80);
|
||||
// Load voice.json directly as nlohmann::json for Phase 7 STT
|
||||
std::ifstream voiceFile(configDir + "voice.json");
|
||||
nlohmann::json voiceConfigJson;
|
||||
voiceFile >> voiceConfigJson;
|
||||
|
||||
// Configure TTS (legacy API)
|
||||
if (voiceConfigJson.contains("tts")) {
|
||||
auto tts = voiceConfigJson["tts"];
|
||||
bool enabled = tts.value("enabled", true);
|
||||
int rate = tts.value("rate", 0);
|
||||
int volume = tts.value("volume", 80);
|
||||
voiceService.configureTTS(enabled, rate, volume);
|
||||
}
|
||||
auto* sttNode = voiceConfig->getChildReadOnly("stt");
|
||||
if (sttNode) {
|
||||
bool enabled = sttNode->getBool("enabled", true);
|
||||
std::string language = sttNode->getString("language", "fr");
|
||||
std::string apiKeyEnv = sttNode->getString("api_key_env", "OPENAI_API_KEY");
|
||||
const char* apiKey = std::getenv(apiKeyEnv.c_str());
|
||||
voiceService.configureSTT(enabled, language, apiKey ? apiKey : "");
|
||||
|
||||
// Configure STT (Phase 7 new API)
|
||||
if (voiceConfigJson.contains("stt")) {
|
||||
voiceService.configureSTT(voiceConfigJson["stt"]);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
103
src/services/ISTTService.hpp
Normal file
103
src/services/ISTTService.hpp
Normal file
@ -0,0 +1,103 @@
|
||||
#pragma once
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <functional>
|
||||
#include <memory>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
enum class STTMode {
|
||||
PASSIVE, // Keyword spotting (économe)
|
||||
ACTIVE // Full transcription
|
||||
};
|
||||
|
||||
enum class STTEngineType {
|
||||
VOSK,
|
||||
POCKETSPHINX,
|
||||
WHISPER_CPP,
|
||||
WHISPER_API,
|
||||
AUTO // Factory choisit
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Callback pour résultats transcription
|
||||
*/
|
||||
using TranscriptionCallback = std::function<void(const std::string& text, STTMode mode)>;
|
||||
|
||||
/**
|
||||
* @brief Callback pour détection keyword
|
||||
*/
|
||||
using KeywordCallback = std::function<void(const std::string& keyword)>;
|
||||
|
||||
/**
|
||||
* @brief Interface service STT
|
||||
*
|
||||
* Provides high-level STT functionality with:
|
||||
* - Passive mode (keyword spotting)
|
||||
* - Active mode (full transcription)
|
||||
* - Automatic engine switching
|
||||
* - Fallback support
|
||||
*/
|
||||
class ISTTService {
|
||||
public:
|
||||
virtual ~ISTTService() = default;
|
||||
|
||||
/**
|
||||
* @brief Démarre le service STT
|
||||
*/
|
||||
virtual bool start() = 0;
|
||||
|
||||
/**
|
||||
* @brief Arrête le service STT
|
||||
*/
|
||||
virtual void stop() = 0;
|
||||
|
||||
/**
|
||||
* @brief Change le mode STT
|
||||
*/
|
||||
virtual void setMode(STTMode mode) = 0;
|
||||
|
||||
/**
|
||||
* @brief Obtient le mode actuel
|
||||
*/
|
||||
virtual STTMode getMode() const = 0;
|
||||
|
||||
/**
|
||||
* @brief Transcrit un fichier audio
|
||||
*/
|
||||
virtual std::string transcribeFile(const std::string& filePath) = 0;
|
||||
|
||||
/**
|
||||
* @brief Transcrit des données audio PCM
|
||||
*/
|
||||
virtual std::string transcribe(const std::vector<float>& audioData) = 0;
|
||||
|
||||
/**
|
||||
* @brief Active l'écoute en streaming (temps réel)
|
||||
*/
|
||||
virtual void startListening(TranscriptionCallback onTranscription,
|
||||
KeywordCallback onKeyword) = 0;
|
||||
|
||||
/**
|
||||
* @brief Arrête l'écoute streaming
|
||||
*/
|
||||
virtual void stopListening() = 0;
|
||||
|
||||
/**
|
||||
* @brief Configure la langue
|
||||
*/
|
||||
virtual void setLanguage(const std::string& language) = 0;
|
||||
|
||||
/**
|
||||
* @brief Vérifie si le service est disponible
|
||||
*/
|
||||
virtual bool isAvailable() const = 0;
|
||||
|
||||
/**
|
||||
* @brief Obtient le nom de l'engine actuel
|
||||
*/
|
||||
virtual std::string getCurrentEngine() const = 0;
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
189
src/services/STTService.cpp
Normal file
189
src/services/STTService.cpp
Normal file
@ -0,0 +1,189 @@
|
||||
// CRITICAL ORDER: Include system headers first
|
||||
#include <nlohmann/json.hpp>
|
||||
#include <cstdlib>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
// Include local headers before spdlog
|
||||
#include "STTService.hpp"
|
||||
#include "../shared/audio/ISTTEngine.hpp"
|
||||
|
||||
// Include spdlog after local headers
|
||||
#include <spdlog/spdlog.h>
|
||||
#include <spdlog/sinks/stdout_color_sinks.h>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
STTService::STTService(const nlohmann::json& config)
|
||||
: m_config(config)
|
||||
{
|
||||
m_logger = spdlog::get("STTService");
|
||||
if (!m_logger) {
|
||||
m_logger = spdlog::stdout_color_mt("STTService");
|
||||
}
|
||||
|
||||
// Extract language from config
|
||||
if (config.contains("active_mode") && config["active_mode"].contains("language")) {
|
||||
m_language = config["active_mode"]["language"].get<std::string>();
|
||||
}
|
||||
|
||||
m_logger->info("STTService created");
|
||||
}
|
||||
|
||||
STTService::~STTService() {
|
||||
stop();
|
||||
}
|
||||
|
||||
bool STTService::start() {
|
||||
m_logger->info("Starting STT service");
|
||||
|
||||
loadEngines();
|
||||
|
||||
if (!m_activeEngine || !m_activeEngine->isAvailable()) {
|
||||
m_logger->error("No active STT engine available");
|
||||
return false;
|
||||
}
|
||||
|
||||
m_logger->info("STT service started");
|
||||
return true;
|
||||
}
|
||||
|
||||
void STTService::stop() {
|
||||
m_logger->info("Stopping STT service");
|
||||
stopListening();
|
||||
m_activeEngine.reset();
|
||||
}
|
||||
|
||||
void STTService::setMode(STTMode mode) {
|
||||
if (m_currentMode == mode) {
|
||||
return;
|
||||
}
|
||||
|
||||
m_logger->info("Switching STT mode");
|
||||
m_currentMode = mode;
|
||||
}
|
||||
|
||||
std::string STTService::transcribeFile(const std::string& filePath) {
|
||||
if (!m_activeEngine || !m_activeEngine->isAvailable()) {
|
||||
m_logger->warn("No STT engine available for transcription");
|
||||
return "";
|
||||
}
|
||||
|
||||
m_logger->info("Transcribing file");
|
||||
|
||||
try {
|
||||
std::string result = m_activeEngine->transcribeFile(filePath);
|
||||
m_logger->info("Transcription complete");
|
||||
return result;
|
||||
} catch (const std::exception& e) {
|
||||
m_logger->error("Transcription failed");
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
std::string STTService::transcribe(const std::vector<float>& audioData) {
|
||||
if (!m_activeEngine || !m_activeEngine->isAvailable()) {
|
||||
return "";
|
||||
}
|
||||
|
||||
if (audioData.empty()) {
|
||||
return "";
|
||||
}
|
||||
|
||||
try {
|
||||
std::string result = m_activeEngine->transcribe(audioData);
|
||||
|
||||
if (!result.empty() && m_listening && m_onTranscription) {
|
||||
m_onTranscription(result, m_currentMode);
|
||||
}
|
||||
|
||||
return result;
|
||||
} catch (const std::exception& e) {
|
||||
m_logger->error("Transcription failed");
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
void STTService::startListening(TranscriptionCallback onTranscription,
|
||||
KeywordCallback onKeyword) {
|
||||
m_logger->info("Start listening");
|
||||
|
||||
m_onTranscription = onTranscription;
|
||||
m_onKeyword = onKeyword;
|
||||
m_listening = true;
|
||||
|
||||
m_logger->warn("Streaming microphone capture not yet implemented");
|
||||
}
|
||||
|
||||
void STTService::stopListening() {
|
||||
if (!m_listening) {
|
||||
return;
|
||||
}
|
||||
|
||||
m_logger->info("Stop listening");
|
||||
m_listening = false;
|
||||
}
|
||||
|
||||
void STTService::setLanguage(const std::string& language) {
|
||||
m_logger->info("Setting language");
|
||||
m_language = language;
|
||||
|
||||
if (m_activeEngine) {
|
||||
m_activeEngine->setLanguage(language);
|
||||
}
|
||||
}
|
||||
|
||||
bool STTService::isAvailable() const {
|
||||
return m_activeEngine && m_activeEngine->isAvailable();
|
||||
}
|
||||
|
||||
std::string STTService::getCurrentEngine() const {
|
||||
if (m_activeEngine) {
|
||||
return m_activeEngine->getEngineName();
|
||||
}
|
||||
return "none";
|
||||
}
|
||||
|
||||
void STTService::loadEngines() {
|
||||
m_logger->info("Loading STT engines");
|
||||
|
||||
std::string engineType = "auto";
|
||||
if (m_config.contains("active_mode")) {
|
||||
const auto& activeMode = m_config["active_mode"];
|
||||
if (activeMode.contains("engine")) {
|
||||
engineType = activeMode["engine"];
|
||||
}
|
||||
}
|
||||
|
||||
std::string modelPath;
|
||||
if (m_config.contains("active_mode")) {
|
||||
const auto& activeMode = m_config["active_mode"];
|
||||
if (activeMode.contains("model_path")) {
|
||||
modelPath = activeMode["model_path"];
|
||||
}
|
||||
}
|
||||
|
||||
std::string apiKey;
|
||||
if (m_config.contains("whisper_api")) {
|
||||
const auto& whisperApi = m_config["whisper_api"];
|
||||
std::string apiKeyEnv = "OPENAI_API_KEY";
|
||||
if (whisperApi.contains("api_key_env")) {
|
||||
apiKeyEnv = whisperApi["api_key_env"];
|
||||
}
|
||||
const char* envVal = std::getenv(apiKeyEnv.c_str());
|
||||
if (envVal) {
|
||||
apiKey = envVal;
|
||||
}
|
||||
}
|
||||
|
||||
m_activeEngine = STTEngineFactory::create(engineType, modelPath, apiKey);
|
||||
|
||||
if (m_activeEngine && m_activeEngine->isAvailable()) {
|
||||
m_activeEngine->setLanguage(m_language);
|
||||
m_logger->info("STT engine loaded successfully");
|
||||
} else {
|
||||
m_logger->warn("No active STT engine available");
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace aissia
|
||||
63
src/services/STTService.hpp
Normal file
63
src/services/STTService.hpp
Normal file
@ -0,0 +1,63 @@
|
||||
#pragma once
|
||||
|
||||
#include "ISTTService.hpp"
|
||||
#include "../shared/audio/ISTTEngine.hpp"
|
||||
#include <nlohmann/json.hpp>
|
||||
#include <spdlog/spdlog.h>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
/**
|
||||
* @brief STT Service implementation
|
||||
*
|
||||
* Phase 7.1 - MVP: Simple service with single engine (Vosk)
|
||||
* TODO Phase 7.2: Add passive mode (PocketSphinx keyword spotting)
|
||||
*/
|
||||
class STTService : public ISTTService {
|
||||
public:
|
||||
explicit STTService(const nlohmann::json& config);
|
||||
~STTService() override;
|
||||
|
||||
bool start() override;
|
||||
void stop() override;
|
||||
|
||||
void setMode(STTMode mode) override;
|
||||
STTMode getMode() const override { return m_currentMode; }
|
||||
|
||||
std::string transcribeFile(const std::string& filePath) override;
|
||||
std::string transcribe(const std::vector<float>& audioData) override;
|
||||
|
||||
void startListening(TranscriptionCallback onTranscription,
|
||||
KeywordCallback onKeyword) override;
|
||||
void stopListening() override;
|
||||
|
||||
void setLanguage(const std::string& language) override;
|
||||
bool isAvailable() const override;
|
||||
std::string getCurrentEngine() const override;
|
||||
|
||||
private:
|
||||
// Configuration
|
||||
nlohmann::json m_config;
|
||||
std::string m_language = "fr";
|
||||
|
||||
// Engines (MVP: only active engine)
|
||||
std::unique_ptr<ISTTEngine> m_activeEngine;
|
||||
|
||||
// State
|
||||
STTMode m_currentMode = STTMode::ACTIVE;
|
||||
bool m_listening = false;
|
||||
|
||||
// Callbacks
|
||||
TranscriptionCallback m_onTranscription;
|
||||
KeywordCallback m_onKeyword;
|
||||
|
||||
// Logger
|
||||
std::shared_ptr<spdlog::logger> m_logger;
|
||||
|
||||
// Helpers
|
||||
void loadEngines();
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
@ -1,7 +1,16 @@
|
||||
#include "VoiceService.hpp"
|
||||
|
||||
#include <spdlog/sinks/stdout_color_sinks.h>
|
||||
// CRITICAL ORDER: Include system headers before local headers to avoid macro conflicts
|
||||
#include <nlohmann/json.hpp>
|
||||
#include <cstdlib>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
#include <queue>
|
||||
|
||||
// Include VoiceService.hpp BEFORE spdlog to avoid logger macro conflicts
|
||||
#include "VoiceService.hpp"
|
||||
#include "STTService.hpp"
|
||||
|
||||
// Include spdlog after VoiceService.hpp
|
||||
#include <spdlog/sinks/stdout_color_sinks.h>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
@ -20,7 +29,7 @@ bool VoiceService::initialize(grove::IIO* io) {
|
||||
if (m_ttsEngine && m_ttsEngine->isAvailable()) {
|
||||
m_ttsEngine->setRate(m_ttsRate);
|
||||
m_ttsEngine->setVolume(m_ttsVolume);
|
||||
m_logger->info("TTS engine: {}", m_ttsEngine->getEngineName());
|
||||
m_logger->info("TTS engine initialized");
|
||||
} else {
|
||||
m_logger->warn("TTS engine not available");
|
||||
}
|
||||
@ -56,7 +65,7 @@ void VoiceService::configureSTT(bool enabled, const std::string& language,
|
||||
m_sttEngine = STTEngineFactory::create(apiKey);
|
||||
if (m_sttEngine) {
|
||||
m_sttEngine->setLanguage(language);
|
||||
m_logger->info("STT engine: {}", m_sttEngine->getEngineName());
|
||||
m_logger->info("STT engine configured");
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -121,7 +130,9 @@ void VoiceService::speak(const std::string& text) {
|
||||
|
||||
// Publish speaking started
|
||||
if (m_io) {
|
||||
auto event = std::make_unique<grove::JsonDataNode>("event");
|
||||
auto event = std::unique_ptr<grove::IDataNode>(
|
||||
new grove::JsonDataNode("event")
|
||||
);
|
||||
event->setString("text", text.size() > 100 ? text.substr(0, 100) + "..." : text);
|
||||
m_io->publish("voice:speaking_started", std::move(event));
|
||||
}
|
||||
@ -129,7 +140,77 @@ void VoiceService::speak(const std::string& text) {
|
||||
m_ttsEngine->speak(text, true);
|
||||
m_totalSpoken++;
|
||||
|
||||
m_logger->debug("Speaking: {}", text.size() > 50 ? text.substr(0, 50) + "..." : text);
|
||||
m_logger->debug("Speaking");
|
||||
}
|
||||
|
||||
// Phase 7: New STT configuration with full config support
|
||||
void VoiceService::configureSTT(const nlohmann::json& sttConfig) {
|
||||
m_logger->info("[VoiceService] Configuring STT service (Phase 7)");
|
||||
|
||||
// Extract enabled flag
|
||||
bool enabled = false;
|
||||
if (sttConfig.contains("active_mode")) {
|
||||
const auto& activeMode = sttConfig["active_mode"];
|
||||
enabled = activeMode.value("enabled", true);
|
||||
}
|
||||
|
||||
m_sttEnabled = enabled;
|
||||
|
||||
if (!enabled) {
|
||||
m_logger->info("[VoiceService] STT disabled in config");
|
||||
return;
|
||||
}
|
||||
|
||||
// Create and start STT service
|
||||
m_sttService = std::make_unique<STTService>(sttConfig);
|
||||
|
||||
if (!m_sttService->start()) {
|
||||
m_logger->error("[VoiceService] Failed to start STT service");
|
||||
m_sttService.reset();
|
||||
return;
|
||||
}
|
||||
|
||||
m_logger->info("[VoiceService] STT service started");
|
||||
|
||||
// Setup callbacks for transcription events
|
||||
// Note: For MVP Milestone 1, we don't start streaming yet
|
||||
// This will be implemented in Milestone 2 (passive mode)
|
||||
}
|
||||
|
||||
// STT event handlers (Phase 7)
|
||||
void VoiceService::handleKeyword(const std::string& keyword) {
|
||||
m_logger->info("[VoiceService] Keyword detected");
|
||||
|
||||
// Publish keyword detection event
|
||||
if (m_io) {
|
||||
auto event = std::unique_ptr<grove::IDataNode>(
|
||||
new grove::JsonDataNode("event")
|
||||
);
|
||||
event->setString("keyword", keyword);
|
||||
event->setInt("timestamp", static_cast<int>(std::time(nullptr)));
|
||||
m_io->publish("voice:keyword_detected", std::move(event));
|
||||
}
|
||||
|
||||
// Auto-switch to active mode (Phase 7.2)
|
||||
if (m_sttService) {
|
||||
m_sttService->setMode(STTMode::ACTIVE);
|
||||
}
|
||||
}
|
||||
|
||||
void VoiceService::handleTranscription(const std::string& text, STTMode mode) {
|
||||
m_logger->info("[VoiceService] Transcription received");
|
||||
|
||||
// Publish transcription event
|
||||
if (m_io) {
|
||||
std::string modeStr = (mode == STTMode::PASSIVE ? "passive" : "active");
|
||||
auto event = std::unique_ptr<grove::IDataNode>(
|
||||
new grove::JsonDataNode("event")
|
||||
);
|
||||
event->setString("text", text);
|
||||
event->setString("mode", modeStr);
|
||||
event->setInt("timestamp", static_cast<int>(std::time(nullptr)));
|
||||
m_io->publish("voice:transcription", std::move(event));
|
||||
}
|
||||
}
|
||||
|
||||
void VoiceService::shutdown() {
|
||||
@ -137,7 +218,11 @@ void VoiceService::shutdown() {
|
||||
m_ttsEngine->stop();
|
||||
}
|
||||
|
||||
m_logger->info("VoiceService shutdown. Total spoken: {}", m_totalSpoken);
|
||||
if (m_sttService) {
|
||||
m_sttService->stop();
|
||||
}
|
||||
|
||||
m_logger->info("[VoiceService] Shutdown");
|
||||
}
|
||||
|
||||
} // namespace aissia
|
||||
|
||||
@ -1,6 +1,10 @@
|
||||
#pragma once
|
||||
|
||||
// Include nlohmann/json BEFORE grove headers to avoid macro conflicts
|
||||
#include <nlohmann/json.hpp>
|
||||
|
||||
#include "IService.hpp"
|
||||
#include "ISTTService.hpp"
|
||||
#include "../shared/audio/ITTSEngine.hpp"
|
||||
#include "../shared/audio/ISTTEngine.hpp"
|
||||
|
||||
@ -44,10 +48,13 @@ public:
|
||||
/// Configure TTS settings
|
||||
void configureTTS(bool enabled = true, int rate = 0, int volume = 80);
|
||||
|
||||
/// Configure STT settings
|
||||
/// Configure STT settings (legacy API)
|
||||
void configureSTT(bool enabled = true, const std::string& language = "fr",
|
||||
const std::string& apiKey = "");
|
||||
|
||||
/// Configure STT with full config (Phase 7)
|
||||
void configureSTT(const nlohmann::json& sttConfig);
|
||||
|
||||
private:
|
||||
// Configuration
|
||||
bool m_ttsEnabled = true;
|
||||
@ -58,7 +65,8 @@ private:
|
||||
|
||||
// State
|
||||
std::unique_ptr<ITTSEngine> m_ttsEngine;
|
||||
std::unique_ptr<ISTTEngine> m_sttEngine;
|
||||
std::unique_ptr<ISTTEngine> m_sttEngine; // Legacy direct engine (deprecated)
|
||||
std::unique_ptr<ISTTService> m_sttService; // Phase 7: New STT service layer
|
||||
std::queue<std::string> m_speakQueue;
|
||||
int m_totalSpoken = 0;
|
||||
|
||||
@ -71,6 +79,10 @@ private:
|
||||
void processSpeakQueue();
|
||||
void speak(const std::string& text);
|
||||
void handleSpeakRequest(const grove::IDataNode& data);
|
||||
|
||||
// STT handlers (Phase 7)
|
||||
void handleTranscription(const std::string& text, STTMode mode);
|
||||
void handleKeyword(const std::string& keyword);
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
|
||||
@ -58,7 +58,13 @@ public:
|
||||
*/
|
||||
class STTEngineFactory {
|
||||
public:
|
||||
// Legacy API (for backward compatibility)
|
||||
static std::unique_ptr<ISTTEngine> create(const std::string& apiKey);
|
||||
|
||||
// New API with engine type and config
|
||||
static std::unique_ptr<ISTTEngine> create(const std::string& type,
|
||||
const std::string& modelPath,
|
||||
const std::string& apiKey = "");
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
|
||||
@ -1,6 +1,8 @@
|
||||
#include "ISTTEngine.hpp"
|
||||
#include "WhisperAPIEngine.hpp"
|
||||
#include "VoskSTTEngine.hpp"
|
||||
#include <spdlog/spdlog.h>
|
||||
#include <filesystem>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
@ -20,6 +22,7 @@ public:
|
||||
std::string getEngineName() const override { return "stub"; }
|
||||
};
|
||||
|
||||
// Legacy factory method (backward compatibility)
|
||||
std::unique_ptr<ISTTEngine> STTEngineFactory::create(const std::string& apiKey) {
|
||||
auto logger = spdlog::get("STTFactory");
|
||||
if (!logger) {
|
||||
@ -38,4 +41,48 @@ std::unique_ptr<ISTTEngine> STTEngineFactory::create(const std::string& apiKey)
|
||||
return std::make_unique<StubSTTEngine>();
|
||||
}
|
||||
|
||||
// New factory method with engine type selection
|
||||
std::unique_ptr<ISTTEngine> STTEngineFactory::create(
|
||||
const std::string& type,
|
||||
const std::string& modelPath,
|
||||
const std::string& apiKey) {
|
||||
|
||||
auto logger = spdlog::get("STTFactory");
|
||||
if (!logger) {
|
||||
logger = spdlog::stdout_color_mt("STTFactory");
|
||||
}
|
||||
|
||||
logger->info("Creating STT engine: type={}, model={}", type, modelPath);
|
||||
|
||||
// Try Vosk first (preferred for local STT)
|
||||
if (type == "vosk" || type == "auto") {
|
||||
if (!modelPath.empty() && std::filesystem::exists(modelPath)) {
|
||||
auto engine = std::make_unique<VoskSTTEngine>(modelPath);
|
||||
if (engine->isAvailable()) {
|
||||
logger->info("Using Vosk STT engine (model: {})", modelPath);
|
||||
return engine;
|
||||
} else {
|
||||
logger->warn("Vosk engine not available (check if libvosk is installed)");
|
||||
}
|
||||
} else {
|
||||
logger->debug("Vosk model not found at: {}", modelPath);
|
||||
}
|
||||
}
|
||||
|
||||
// Fallback to Whisper API if apiKey provided
|
||||
if (type == "whisper-api" || type == "auto") {
|
||||
if (!apiKey.empty()) {
|
||||
auto engine = std::make_unique<WhisperAPIEngine>(apiKey);
|
||||
if (engine->isAvailable()) {
|
||||
logger->info("Using Whisper API STT engine (fallback)");
|
||||
return engine;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// No engine available
|
||||
logger->warn("No STT engine available, using stub");
|
||||
return std::make_unique<StubSTTEngine>();
|
||||
}
|
||||
|
||||
} // namespace aissia
|
||||
|
||||
252
src/shared/audio/VoskSTTEngine.cpp
Normal file
252
src/shared/audio/VoskSTTEngine.cpp
Normal file
@ -0,0 +1,252 @@
|
||||
#include "VoskSTTEngine.hpp"
|
||||
|
||||
// Check if Vosk is available at compile time
|
||||
#ifdef HAS_VOSK
|
||||
#include <vosk_api.h>
|
||||
#endif
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
#include <spdlog/spdlog.h>
|
||||
#include <spdlog/sinks/stdout_color_sinks.h>
|
||||
#include <cstring>
|
||||
#include <algorithm>
|
||||
|
||||
namespace aissia {
|
||||
|
||||
VoskSTTEngine::VoskSTTEngine(const std::string& modelPath, float sampleRate)
|
||||
: m_sampleRate(sampleRate)
|
||||
{
|
||||
m_logger = spdlog::get("VoskSTT");
|
||||
if (!m_logger) {
|
||||
m_logger = spdlog::stdout_color_mt("VoskSTT");
|
||||
}
|
||||
|
||||
#ifdef HAS_VOSK
|
||||
m_logger->info("Initializing Vosk STT engine...");
|
||||
m_logger->info("Model path: {}", modelPath);
|
||||
m_logger->info("Sample rate: {} Hz", sampleRate);
|
||||
|
||||
// Load Vosk model
|
||||
m_model = vosk_model_new(modelPath.c_str());
|
||||
if (!m_model) {
|
||||
m_logger->error("Failed to load Vosk model from: {}", modelPath);
|
||||
m_logger->error("Make sure the model is downloaded and path is correct");
|
||||
m_logger->error("Download: https://alphacephei.com/vosk/models");
|
||||
m_available = false;
|
||||
return;
|
||||
}
|
||||
|
||||
// Create recognizer
|
||||
m_recognizer = vosk_recognizer_new(m_model, sampleRate);
|
||||
if (!m_recognizer) {
|
||||
m_logger->error("Failed to create Vosk recognizer");
|
||||
vosk_model_free(m_model);
|
||||
m_model = nullptr;
|
||||
m_available = false;
|
||||
return;
|
||||
}
|
||||
|
||||
m_available = true;
|
||||
m_logger->info("Vosk STT engine initialized successfully");
|
||||
#else
|
||||
m_logger->warn("Vosk support not compiled (HAS_VOSK not defined)");
|
||||
m_logger->warn("To enable Vosk: install libvosk-dev and rebuild with -DHAS_VOSK");
|
||||
m_available = false;
|
||||
#endif
|
||||
}
|
||||
|
||||
VoskSTTEngine::~VoskSTTEngine() {
|
||||
#ifdef HAS_VOSK
|
||||
if (m_recognizer) {
|
||||
vosk_recognizer_free(m_recognizer);
|
||||
m_recognizer = nullptr;
|
||||
}
|
||||
if (m_model) {
|
||||
vosk_model_free(m_model);
|
||||
m_model = nullptr;
|
||||
}
|
||||
m_logger->debug("Vosk STT engine destroyed");
|
||||
#endif
|
||||
}
|
||||
|
||||
std::string VoskSTTEngine::transcribe(const std::vector<float>& audioData) {
|
||||
#ifdef HAS_VOSK
|
||||
if (!m_available || audioData.empty()) {
|
||||
return "";
|
||||
}
|
||||
|
||||
// Convert float [-1.0, 1.0] to int16 [-32768, 32767]
|
||||
std::vector<int16_t> samples(audioData.size());
|
||||
for (size_t i = 0; i < audioData.size(); ++i) {
|
||||
float clamped = std::max(-1.0f, std::min(1.0f, audioData[i]));
|
||||
samples[i] = static_cast<int16_t>(clamped * 32767.0f);
|
||||
}
|
||||
|
||||
// Feed audio to recognizer
|
||||
int accepted = vosk_recognizer_accept_waveform(
|
||||
m_recognizer,
|
||||
reinterpret_cast<const char*>(samples.data()),
|
||||
samples.size() * sizeof(int16_t)
|
||||
);
|
||||
|
||||
// Get result
|
||||
const char* result = nullptr;
|
||||
if (accepted) {
|
||||
result = vosk_recognizer_result(m_recognizer);
|
||||
} else {
|
||||
result = vosk_recognizer_partial_result(m_recognizer);
|
||||
}
|
||||
|
||||
if (!result) {
|
||||
return "";
|
||||
}
|
||||
|
||||
// Parse JSON result
|
||||
std::string text = parseVoskResult(result);
|
||||
|
||||
if (!text.empty()) {
|
||||
m_logger->debug("Transcribed {} samples: '{}'", audioData.size(), text);
|
||||
}
|
||||
|
||||
return text;
|
||||
#else
|
||||
m_logger->warn("Vosk not available, cannot transcribe");
|
||||
return "";
|
||||
#endif
|
||||
}
|
||||
|
||||
std::string VoskSTTEngine::transcribeFile(const std::string& filePath) {
|
||||
#ifdef HAS_VOSK
|
||||
if (!m_available) {
|
||||
m_logger->warn("Vosk engine not available");
|
||||
return "";
|
||||
}
|
||||
|
||||
m_logger->info("Transcribing file: {}", filePath);
|
||||
|
||||
// Read WAV file
|
||||
std::vector<float> audioData;
|
||||
if (!readWavFile(filePath, audioData)) {
|
||||
m_logger->error("Failed to read audio file: {}", filePath);
|
||||
return "";
|
||||
}
|
||||
|
||||
m_logger->debug("Read {} samples from file", audioData.size());
|
||||
|
||||
// Reset recognizer for new utterance
|
||||
vosk_recognizer_reset(m_recognizer);
|
||||
|
||||
// Transcribe
|
||||
std::string result = transcribe(audioData);
|
||||
|
||||
// Get final result
|
||||
const char* finalResult = vosk_recognizer_final_result(m_recognizer);
|
||||
if (finalResult) {
|
||||
std::string finalText = parseVoskResult(finalResult);
|
||||
if (!finalText.empty()) {
|
||||
result = finalText;
|
||||
}
|
||||
}
|
||||
|
||||
m_logger->info("Transcription result: '{}'", result);
|
||||
return result;
|
||||
#else
|
||||
m_logger->warn("Vosk not available, cannot transcribe file");
|
||||
return "";
|
||||
#endif
|
||||
}
|
||||
|
||||
void VoskSTTEngine::setLanguage(const std::string& language) {
|
||||
// Vosk models are language-specific and loaded at construction time
|
||||
// Cannot change language at runtime
|
||||
m_logger->debug("Language setting ignored (Vosk model is language-specific)");
|
||||
m_logger->debug("To change language, load a different model");
|
||||
}
|
||||
|
||||
std::string VoskSTTEngine::parseVoskResult(const std::string& jsonStr) {
|
||||
try {
|
||||
auto json = nlohmann::json::parse(jsonStr);
|
||||
|
||||
// Vosk returns: {"text": "transcription"} or {"partial": "partial text"}
|
||||
if (json.contains("text")) {
|
||||
return json["text"].get<std::string>();
|
||||
} else if (json.contains("partial")) {
|
||||
return json["partial"].get<std::string>();
|
||||
}
|
||||
|
||||
return "";
|
||||
} catch (const std::exception& e) {
|
||||
m_logger->error("Failed to parse Vosk result: {}", e.what());
|
||||
m_logger->debug("JSON string: {}", jsonStr);
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
bool VoskSTTEngine::readWavFile(const std::string& filePath, std::vector<float>& outSamples) {
|
||||
std::ifstream file(filePath, std::ios::binary);
|
||||
if (!file) {
|
||||
m_logger->error("Cannot open file: {}", filePath);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Read WAV header (44 bytes for standard PCM WAV)
|
||||
char header[44];
|
||||
file.read(header, 44);
|
||||
if (!file) {
|
||||
m_logger->error("Invalid WAV file (header too short)");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Verify RIFF header
|
||||
if (std::strncmp(header, "RIFF", 4) != 0) {
|
||||
m_logger->error("Not a valid WAV file (missing RIFF)");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Verify WAVE format
|
||||
if (std::strncmp(header + 8, "WAVE", 4) != 0) {
|
||||
m_logger->error("Not a valid WAV file (missing WAVE)");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Extract audio format info
|
||||
uint16_t audioFormat = *reinterpret_cast<uint16_t*>(header + 20);
|
||||
uint16_t numChannels = *reinterpret_cast<uint16_t*>(header + 22);
|
||||
uint32_t sampleRate = *reinterpret_cast<uint32_t*>(header + 24);
|
||||
uint16_t bitsPerSample = *reinterpret_cast<uint16_t*>(header + 34);
|
||||
uint32_t dataSize = *reinterpret_cast<uint32_t*>(header + 40);
|
||||
|
||||
m_logger->debug("WAV format: {} channels, {} Hz, {} bits",
|
||||
numChannels, sampleRate, bitsPerSample);
|
||||
|
||||
// We expect PCM 16-bit mono
|
||||
if (audioFormat != 1) {
|
||||
m_logger->error("Unsupported audio format (expected PCM)");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (bitsPerSample != 16) {
|
||||
m_logger->warn("Expected 16-bit audio, got {} bits", bitsPerSample);
|
||||
}
|
||||
|
||||
// Read audio data
|
||||
std::vector<int16_t> samples(dataSize / sizeof(int16_t));
|
||||
file.read(reinterpret_cast<char*>(samples.data()), dataSize);
|
||||
if (!file) {
|
||||
m_logger->error("Failed to read audio data");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Convert to float and handle multi-channel (take first channel)
|
||||
size_t numSamples = samples.size() / numChannels;
|
||||
outSamples.resize(numSamples);
|
||||
|
||||
for (size_t i = 0; i < numSamples; ++i) {
|
||||
// Take first channel, convert int16 to float [-1.0, 1.0]
|
||||
outSamples[i] = samples[i * numChannels] / 32768.0f;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace aissia
|
||||
77
src/shared/audio/VoskSTTEngine.hpp
Normal file
77
src/shared/audio/VoskSTTEngine.hpp
Normal file
@ -0,0 +1,77 @@
|
||||
#pragma once
|
||||
|
||||
#include "ISTTEngine.hpp"
|
||||
#include <nlohmann/json.hpp>
|
||||
#include <spdlog/spdlog.h>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <fstream>
|
||||
|
||||
// Forward declarations to avoid hard dependency on Vosk
|
||||
// Actual Vosk headers will be included in the implementation
|
||||
struct VoskModel;
|
||||
struct VoskRecognizer;
|
||||
|
||||
namespace aissia {
|
||||
|
||||
/**
|
||||
* @brief Vosk Speech Recognition Engine
|
||||
*
|
||||
* Lightweight local STT using Vosk models.
|
||||
* Recommended model: vosk-model-small-fr-0.22 (~50MB)
|
||||
*
|
||||
* Installation:
|
||||
* - sudo apt install libvosk-dev
|
||||
* - Download model: https://alphacephei.com/vosk/models/vosk-model-small-fr-0.22.zip
|
||||
*
|
||||
* Features:
|
||||
* - Local processing (no API costs)
|
||||
* - Real-time transcription
|
||||
* - Supports French, English, and 20+ languages
|
||||
*/
|
||||
class VoskSTTEngine : public ISTTEngine {
|
||||
public:
|
||||
/**
|
||||
* @brief Construct Vosk STT engine
|
||||
* @param modelPath Path to Vosk model directory (e.g., "./models/vosk-model-small-fr-0.22")
|
||||
* @param sampleRate Audio sample rate (default: 16000 Hz)
|
||||
*/
|
||||
explicit VoskSTTEngine(const std::string& modelPath, float sampleRate = 16000.0f);
|
||||
|
||||
~VoskSTTEngine() override;
|
||||
|
||||
// Disable copy
|
||||
VoskSTTEngine(const VoskSTTEngine&) = delete;
|
||||
VoskSTTEngine& operator=(const VoskSTTEngine&) = delete;
|
||||
|
||||
std::string transcribe(const std::vector<float>& audioData) override;
|
||||
std::string transcribeFile(const std::string& filePath) override;
|
||||
void setLanguage(const std::string& language) override;
|
||||
bool isAvailable() const override { return m_available; }
|
||||
std::string getEngineName() const override { return "vosk"; }
|
||||
|
||||
private:
|
||||
VoskModel* m_model = nullptr;
|
||||
VoskRecognizer* m_recognizer = nullptr;
|
||||
bool m_available = false;
|
||||
float m_sampleRate = 16000.0f;
|
||||
std::shared_ptr<spdlog::logger> m_logger;
|
||||
|
||||
/**
|
||||
* @brief Parse Vosk JSON result
|
||||
* @param json JSON string from Vosk (e.g., {"text": "bonjour"})
|
||||
* @return Extracted text
|
||||
*/
|
||||
std::string parseVoskResult(const std::string& json);
|
||||
|
||||
/**
|
||||
* @brief Read WAV file and extract PCM data
|
||||
* @param filePath Path to WAV file
|
||||
* @param outSamples Output PCM samples (float)
|
||||
* @return true if successful
|
||||
*/
|
||||
bool readWavFile(const std::string& filePath, std::vector<float>& outSamples);
|
||||
};
|
||||
|
||||
} // namespace aissia
|
||||
Loading…
Reference in New Issue
Block a user