# required (plus the ffmpeg and ffprobe command-line tools on your PATH)
numpy>=1.22

# optional, each used by one step and imported only there:
# faster-whisper   # songmap words: word labels for the line table (strongly recommended)
# Pillow           # cut render, shotbook board
# mediapipe        # sync mouth / sync lips / takes without sound (needs the face_landmarker.task model file)
# demucs           # songmap separate
# wordfreq         # lyric score: rare-word flags