Suppress language auto-switching logs for VibeVoice/KugelAudio
Technical changes:
- Add optional engine_type parameter to parse_text_segments() method
- Update VibeVoice processor and unified TTS node to pass engine_type
- Update parse_character_text() convenience function to support engine_type
- Suppress language logs when engine_type is vibevoice or kugelaudio
- Consolidate character voice info into block generation messages
- Fix tokenizer path structure to match actual storage location (vibevoice/ instead of VibeVoice/tokenizer/)
- Use consistent path for tokenizer downloads so they're found on subsequent runs
- Comment out non-error device_map debug messages
- Remove duplicate SINGLE SEGMENT text printing
- Fix logged_characters to only log once per character (not per priority check)
- New utils/text/segment_parameters.py with parameter validation, aliases, and engine compatibility
- Extended CharacterSegment to include per-segment parameters
- Extended language resolver to parse pipe-separated parameters: [Alice|seed:42|temp:0.5]
- Support for: seed, temperature, cfg, speed, top_p, top_k, inference_steps, exaggeration, emotion_alpha
- Case-insensitive aliases and order-independent syntax
- Integrated into VibeVoice Custom Character Switching mode (text and SRT)
- Fixed grouping logic to break groups when parameters change
- Added PARAMETER_SWITCHING_GUIDE.md documentation
- Updated PROJECT_INDEX.md
NOTE: Currently implemented for VibeVoice Custom Character Switching only.
Native Multi-Speaker mode and other engines will be added in future updates.
MAJOR: IndexTTS-2 TTS engine integration
- Core IndexTTS engine with unified model interface integration
- Auto-downloader for HuggingFace models + GitHub source code
- Engine adapter with emotion support [Alice:angry_bob] syntax
- Cache integration for IndexTTS-2 parameters
- Factory registration for proper model management
MAJOR: Character parser modularization (930 → 300 lines each)
- Split into base_parser.py, language_resolver.py, segment_processor.py, validation.py
- Added emotion support with backward compatibility
- New split_by_character_with_emotions() method for advanced engines
- Flexible tag parsing: [de:Alice:angry_bob] support
- Language disambiguation to avoid Alice vs language code conflicts
- Full backward compatibility maintained
FEATURES:
- IndexTTS-2 emotion disentanglement (speaker vs emotion separation)
- Duration control and precise voice cloning
- Multi-modal emotion control (audio refs, text, vectors)
- Character switching with emotion references
- All official IndexTTS-2 parameters exposed
DOCS: Implementation plan and architectural TODO items added
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