DeepLiveCam/modules/processors/frame/face_enhancer.py

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2024-08-13 10:22:54 +00:00
from typing import Any, List
import cv2
import threading
import gfpgan
import os
import modules.globals
import modules.processors.frame.core
from modules.core import update_status
from modules.face_analyser import get_one_face
from modules.typing import Frame, Face
from modules.utilities import conditional_download, resolve_relative_path, is_image, is_video
FACE_ENHANCER = None
THREAD_SEMAPHORE = threading.Semaphore()
THREAD_LOCK = threading.Lock()
NAME = 'DLC.FACE-ENHANCER'
def pre_check() -> bool:
download_directory_path = resolve_relative_path('..\models')
conditional_download(download_directory_path, ['https://github.com/TencentARC/GFPGAN/releases/download/v1.3.4/GFPGANv1.4.pth'])
return True
def pre_start() -> bool:
if not is_image(modules.globals.target_path) and not is_video(modules.globals.target_path):
update_status('Select an image or video for target path.', NAME)
return False
return True
def get_face_enhancer() -> Any:
global FACE_ENHANCER
with THREAD_LOCK:
if FACE_ENHANCER is None:
if os.name == 'nt':
model_path = resolve_relative_path('..\models\GFPGANv1.4.pth')
# todo: set models path https://github.com/TencentARC/GFPGAN/issues/399
else:
model_path = resolve_relative_path('../models/GFPGANv1.4.pth')
FACE_ENHANCER = gfpgan.GFPGANer(model_path=model_path, upscale=1) # type: ignore[attr-defined]
return FACE_ENHANCER
def enhance_face(temp_frame: Frame) -> Frame:
with THREAD_SEMAPHORE:
_, _, temp_frame = get_face_enhancer().enhance(
temp_frame,
paste_back=True
)
return temp_frame
def process_frame(source_face: Face, temp_frame: Frame) -> Frame:
target_face = get_one_face(temp_frame)
if target_face:
temp_frame = enhance_face(temp_frame)
return temp_frame
def process_frames(source_path: str, temp_frame_paths: List[str], progress: Any = None) -> None:
for temp_frame_path in temp_frame_paths:
temp_frame = cv2.imread(temp_frame_path)
result = process_frame(None, temp_frame)
cv2.imwrite(temp_frame_path, result)
if progress:
progress.update(1)
def process_image(source_path: str, target_path: str, output_path: str) -> None:
target_frame = cv2.imread(target_path)
result = process_frame(None, target_frame)
cv2.imwrite(output_path, result)
def process_video(source_path: str, temp_frame_paths: List[str]) -> None:
modules.processors.frame.core.process_video(None, temp_frame_paths, process_frames)