Deep-Live-Cam/modules/fake_face_handler.py

120 lines
4.1 KiB
Python

import os
import requests
import tempfile
from pathlib import Path
import cv2
import numpy as np
import modules.globals
def add_padding_to_face(image, padding_ratio=0.3):
"""Add padding around the face image
Args:
image: The input face image
padding_ratio: Amount of padding to add as a ratio of image dimensions
Returns:
Padded image with background padding added
"""
if image is None:
return None
height, width = image.shape[:2]
pad_x = int(width * padding_ratio)
pad_y = int(height * padding_ratio)
# Create larger image with padding
padded_height = height + 2 * pad_y
padded_width = width + 2 * pad_x
padded_image = np.zeros((padded_height, padded_width, 3), dtype=np.uint8)
# Fill padded area with blurred and darkened edge pixels
edge_color = cv2.blur(image, (15, 15))
edge_color = (edge_color * 0.6).astype(np.uint8) # Darken the padding
# Fill the padded image with original face
padded_image[pad_y:pad_y+height, pad_x:pad_x+width] = image
# Fill padding areas with edge color
# Top padding - repeat first row
top_edge = edge_color[0, :, :]
for i in range(pad_y):
padded_image[i, pad_x:pad_x+width] = top_edge
# Bottom padding - repeat last row
bottom_edge = edge_color[-1, :, :]
for i in range(pad_y):
padded_image[pad_y+height+i, pad_x:pad_x+width] = bottom_edge
# Left padding - repeat first column
left_edge = edge_color[:, 0, :]
for i in range(pad_x):
padded_image[pad_y:pad_y+height, i] = left_edge
# Right padding - repeat last column
right_edge = edge_color[:, -1, :]
for i in range(pad_x):
padded_image[pad_y:pad_y+height, pad_x+width+i] = right_edge
# Fill corners with nearest edge colors
# Top-left corner
padded_image[:pad_y, :pad_x] = edge_color[0, 0, :]
# Top-right corner
padded_image[:pad_y, pad_x+width:] = edge_color[0, -1, :]
# Bottom-left corner
padded_image[pad_y+height:, :pad_x] = edge_color[-1, 0, :]
# Bottom-right corner
padded_image[pad_y+height:, pad_x+width:] = edge_color[-1, -1, :]
return padded_image
def get_fake_face() -> str:
"""Fetch a face from thispersondoesnotexist.com and save it temporarily"""
try:
# Create temp directory if it doesn't exist
temp_dir = Path(tempfile.gettempdir()) / "deep-live-cam"
temp_dir.mkdir(parents=True, exist_ok=True)
# Generate temp file path
temp_file = temp_dir / "fake_face.jpg"
# Basic headers to mimic a browser request
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
}
# Fetch the image
response = requests.get('https://thispersondoesnotexist.com', headers=headers)
if response.status_code == 200:
# Read image from response
image_array = np.asarray(bytearray(response.content), dtype=np.uint8)
image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
# Add padding around the face
padded_image = add_padding_to_face(image)
# Save the padded image
cv2.imwrite(str(temp_file), padded_image)
return str(temp_file)
else:
print(f"Failed to fetch fake face: {response.status_code}")
return None
except Exception as e:
print(f"Error fetching fake face: {str(e)}")
return None
def cleanup_fake_face():
"""Clean up the temporary fake face image"""
try:
if modules.globals.fake_face_path and os.path.exists(modules.globals.fake_face_path):
os.remove(modules.globals.fake_face_path)
modules.globals.fake_face_path = None
except Exception as e:
print(f"Error cleaning up fake face: {str(e)}")
def refresh_fake_face():
"""Refresh the fake face image"""
cleanup_fake_face()
modules.globals.fake_face_path = get_fake_face()
return modules.globals.fake_face_path is not None