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TalkEdit/backend/services/background_removal.py

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"""
AI background removal (Phase 5 - future).
Uses MediaPipe or Robust Video Matting for person segmentation.
Export-only -- no real-time preview.
"""
import logging
logger = logging.getLogger(__name__)
# Placeholder for Phase 5 implementation
# Will use mediapipe or rvm for segmentation at export time
MEDIAPIPE_AVAILABLE = False
RVM_AVAILABLE = False
try:
import mediapipe as mp
MEDIAPIPE_AVAILABLE = True
except ImportError:
pass
try:
pass # rvm import would go here
except ImportError:
pass
def is_available() -> bool:
return MEDIAPIPE_AVAILABLE or RVM_AVAILABLE
def remove_background_on_export(
input_path: str,
output_path: str,
replacement: str = "blur",
replacement_value: str = "",
) -> str:
"""
Process video frame-by-frame to remove/replace background.
Only runs during export (not real-time).
Args:
input_path: source video
output_path: destination
replacement: 'blur', 'color', 'image', or 'video'
replacement_value: hex color, image path, or video path
Returns:
output_path
"""
if not is_available():
raise RuntimeError(
"Background removal requires mediapipe or robust-video-matting. "
"Install with: pip install mediapipe"
)
# Phase 5 implementation will go here
raise NotImplementedError("Background removal is planned for Phase 5")