requirements.txt

# Core dependencies
Flask==2.3.2
gTTS==2.3.2
ffmpeg-python==0.2.0
numpy==1.24.3

# PyTorch CPU-only versions
--extra-index-url https://download.pytorch.org/whl/cpu
torch==2.0.1
torchvision==0.15.2

# SadTalker dependencies
face-alignment==1.3.5
librosa==0.9.2
scipy==1.9.1
opencv-python==4.7.0.72
tqdm==4.65.0
scikit-image==0.19.3
pyyaml==6.0
matplotlib==3.7.1
imageio==2.28.1
imageio-ffmpeg==0.4.8

# Audio processing
pydub==0.25.1
soundfile==0.12.1

# Optional (for enhanced TTS)
# piper-tts==1.0.0  # Uncomment for offline TTS

# Development extras
python-dotenv==1.0.0