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feat: Add Auto-Dubbing feature for Podcast Maker

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This commit adds the Auto-Dubbing feature for Podcast Maker with support
for translating podcast audio to different languages with optional voice
cloning to preserve the original speaker's voice.

New Features:
- Translation Service (common module): DeepL integration for low-cost
  translation, WaveSpeed integration for high-quality translation
- Audio Dubbing Service: STT -> Translate -> TTS pipeline with
  voice cloning support
- 9 new API endpoints for dubbing and voice cloning
- Support for 34+ languages
- Cost estimation utilities
- Comprehensive documentation

Files Added:
- services/translation/ (5 files): Translation service module
- services/dubbing/: Audio dubbing service
- api/podcast/handlers/dubbing.py: API endpoints
- docs/AUTO_DUBBING.md: Feature documentation
- CHANGELOG.md: Change log

Files Modified:
- api/podcast/models.py: Added dubbing request/response models
- api/podcast/router.py: Added dubbing routes
- services/__init__.py: Export translation and dubbing services
- scene_animation.py: Fixed missing Path import
This commit is contained in:
ajaysi
2026-03-24 15:45:51 +05:30
parent 3c58fd555b
commit f503a24b3b
13 changed files with 2448 additions and 3 deletions
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backend/api/story_writer/routes/scene_animation.py
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@@ -5,6 +5,7 @@ Handles scene animation endpoints using WaveSpeed Kling and InfiniteTalk.
"""
import mimetypes
from pathlib import Path
from typing import Any, Dict, Optional
from urllib.parse import quote