input:
  video_path: "path/to/input.mp4"
  
processing:
  scale_factor: 0.5  # 0.25, 0.5, 1.0
  chunk_size: 900    # frames, 0 for full video
  overlap_frames: 60 # for chunked processing
  
detection:
  confidence_threshold: 0.7
  model: "yolov8n"   # yolov8n, yolov8s, yolov8m
  
matting:
  use_disparity_mapping: true
  memory_offload: true
  fp16: true
  sam2_model_cfg: "sam2.1_hiera_l"
  sam2_checkpoint: "segment-anything-2/checkpoints/sam2.1_hiera_large.pt"
  
output:
  path: "path/to/output/"
  format: "alpha"     # "alpha" or "greenscreen"
  background_color: [0, 255, 0]  # for greenscreen
  maintain_sbs: true  # keep side-by-side format
  
hardware:
  device: "cuda"
  max_vram_gb: 10     # RTX 3080 limit