Files
test2/vr180_matting/main.py

242 lines
6.3 KiB
Python

#!/usr/bin/env python3
"""
VR180 Human Matting with Det-SAM2
Main CLI entry point
"""
import argparse
import sys
from pathlib import Path
import traceback
from .config import VR180Config
from .vr180_processor import VR180Processor
def create_parser() -> argparse.ArgumentParser:
"""Create command line argument parser"""
parser = argparse.ArgumentParser(
description="VR180 Human Matting with Det-SAM2",
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
Examples:
# Process video with default config
vr180-matting config.yaml
# Process with custom output path
vr180-matting config.yaml --output /path/to/output.mp4
# Generate example config
vr180-matting --generate-config config_example.yaml
# Process with different scale factor
vr180-matting config.yaml --scale 0.25
"""
)
parser.add_argument(
"config",
nargs="?",
help="Path to YAML configuration file"
)
parser.add_argument(
"--generate-config",
metavar="PATH",
help="Generate example configuration file at specified path"
)
parser.add_argument(
"--output", "-o",
metavar="PATH",
help="Override output path from config"
)
parser.add_argument(
"--scale",
type=float,
metavar="FACTOR",
help="Override scale factor (0.25, 0.5, 1.0)"
)
parser.add_argument(
"--chunk-size",
type=int,
metavar="FRAMES",
help="Override chunk size in frames (0 for auto)"
)
parser.add_argument(
"--device",
choices=["cuda", "cpu"],
help="Override processing device"
)
parser.add_argument(
"--format",
choices=["alpha", "greenscreen"],
help="Override output format"
)
parser.add_argument(
"--verbose", "-v",
action="store_true",
help="Enable verbose output"
)
parser.add_argument(
"--dry-run",
action="store_true",
help="Validate configuration without processing"
)
return parser
def generate_example_config(output_path: str) -> None:
"""Generate example configuration file"""
config_content = '''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
'''
output_path = Path(output_path)
output_path.parent.mkdir(parents=True, exist_ok=True)
with open(output_path, 'w') as f:
f.write(config_content)
print(f"Generated example configuration: {output_path}")
print("Edit the configuration file and run:")
print(f" vr180-matting {output_path}")
def validate_config(config: VR180Config, verbose: bool = False) -> bool:
"""Validate configuration and print any errors"""
errors = config.validate()
if errors:
print("Configuration validation failed:")
for error in errors:
print(f"{error}")
return False
if verbose:
print("Configuration validation passed ✅")
print(f"Input video: {config.input.video_path}")
print(f"Output path: {config.output.path}")
print(f"Scale factor: {config.processing.scale_factor}")
print(f"Device: {config.hardware.device}")
print(f"Output format: {config.output.format}")
return True
def apply_cli_overrides(config: VR180Config, args: argparse.Namespace) -> None:
"""Apply command line overrides to configuration"""
if args.output:
config.output.path = args.output
if args.scale:
if not 0.1 <= args.scale <= 1.0:
raise ValueError("Scale factor must be between 0.1 and 1.0")
config.processing.scale_factor = args.scale
if args.chunk_size is not None:
if args.chunk_size < 0:
raise ValueError("Chunk size must be non-negative")
config.processing.chunk_size = args.chunk_size
if args.device:
config.hardware.device = args.device
if args.format:
config.output.format = args.format
def main() -> int:
"""Main entry point"""
parser = create_parser()
args = parser.parse_args()
try:
# Handle config generation
if args.generate_config:
generate_example_config(args.generate_config)
return 0
# Require config file for processing
if not args.config:
parser.print_help()
print("\nError: Configuration file required")
return 1
# Load configuration
config_path = Path(args.config)
if not config_path.exists():
print(f"Error: Configuration file not found: {config_path}")
return 1
print(f"Loading configuration from {config_path}")
config = VR180Config.from_yaml(config_path)
# Apply CLI overrides
apply_cli_overrides(config, args)
# Validate configuration
if not validate_config(config, verbose=args.verbose):
return 1
# Dry run mode
if args.dry_run:
print("Dry run completed successfully ✅")
return 0
# Initialize processor
print("Initializing VR180 processor...")
processor = VR180Processor(config)
# Process video
processor.process_video()
print("✅ Processing completed successfully!")
return 0
except KeyboardInterrupt:
print("\n⚠️ Processing interrupted by user")
return 130
except Exception as e:
print(f"❌ Error: {e}")
if args.verbose:
traceback.print_exc()
return 1
if __name__ == "__main__":
sys.exit(main())