Deep-Live-Cam/modules/utilities.py

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import glob
import mimetypes
import os
import platform
import shutil
import ssl
import subprocess
import urllib
from pathlib import Path
from typing import List, Any
from tqdm import tqdm
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import cv2
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import modules.globals
TEMP_FILE = 'temp.mp4'
TEMP_DIRECTORY = 'temp'
# monkey patch ssl for mac
if platform.system().lower() == 'darwin':
ssl._create_default_https_context = ssl._create_unverified_context
def run_ffmpeg(args: List[str]) -> bool:
commands = ['ffmpeg', '-hide_banner', '-hwaccel', 'auto', '-loglevel', modules.globals.log_level]
commands.extend(args)
try:
subprocess.check_output(commands, stderr=subprocess.STDOUT)
return True
except Exception:
pass
return False
def detect_fps(target_path: str) -> float:
command = ['ffprobe', '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=r_frame_rate', '-of', 'default=noprint_wrappers=1:nokey=1', target_path]
output = subprocess.check_output(command).decode().strip().split('/')
try:
numerator, denominator = map(int, output)
return numerator / denominator
except Exception:
pass
return 30.0
def extract_frames(target_path: str) -> None:
temp_directory_path = get_temp_directory_path(target_path)
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cap = cv2.VideoCapture(target_path)
frame_count = 0
while True:
ret, frame = cap.read()
if not ret:
break
# Save the frame
cv2.imwrite(os.path.join(temp_directory_path, f'{frame_count:04d}.png'), frame)
frame_count += 1
cap.release()
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def create_video(target_path: str, fps: float = 30.0) -> None:
temp_output_path = get_temp_output_path(target_path)
temp_directory_path = get_temp_directory_path(target_path)
run_ffmpeg(['-r', str(fps), '-i', os.path.join(temp_directory_path, '%04d.png'), '-c:v', modules.globals.video_encoder, '-crf', str(modules.globals.video_quality), '-pix_fmt', 'yuv420p', '-vf', 'colorspace=bt709:iall=bt601-6-625:fast=1', '-y', temp_output_path])
def restore_audio(target_path: str, output_path: str) -> None:
temp_output_path = get_temp_output_path(target_path)
done = run_ffmpeg(['-i', temp_output_path, '-i', target_path, '-c:v', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-y', output_path])
if not done:
move_temp(target_path, output_path)
def get_temp_frame_paths(target_path: str) -> List[str]:
temp_directory_path = get_temp_directory_path(target_path)
return glob.glob((os.path.join(glob.escape(temp_directory_path), '*.png')))
def get_temp_directory_path(target_path: str) -> str:
target_name, _ = os.path.splitext(os.path.basename(target_path))
target_directory_path = os.path.dirname(target_path)
return os.path.join(target_directory_path, TEMP_DIRECTORY, target_name)
def get_temp_output_path(target_path: str) -> str:
temp_directory_path = get_temp_directory_path(target_path)
return os.path.join(temp_directory_path, TEMP_FILE)
def normalize_output_path(source_path: str, target_path: str, output_path: str) -> Any:
if source_path and target_path:
source_name, _ = os.path.splitext(os.path.basename(source_path))
target_name, target_extension = os.path.splitext(os.path.basename(target_path))
if os.path.isdir(output_path):
return os.path.join(output_path, source_name + '-' + target_name + target_extension)
return output_path
def create_temp(target_path: str) -> None:
temp_directory_path = get_temp_directory_path(target_path)
Path(temp_directory_path).mkdir(parents=True, exist_ok=True)
def move_temp(target_path: str, output_path: str) -> None:
temp_output_path = get_temp_output_path(target_path)
if os.path.isfile(temp_output_path):
if os.path.isfile(output_path):
os.remove(output_path)
shutil.move(temp_output_path, output_path)
def clean_temp(target_path: str) -> None:
temp_directory_path = get_temp_directory_path(target_path)
parent_directory_path = os.path.dirname(temp_directory_path)
if not modules.globals.keep_frames and os.path.isdir(temp_directory_path):
shutil.rmtree(temp_directory_path)
if os.path.exists(parent_directory_path) and not os.listdir(parent_directory_path):
os.rmdir(parent_directory_path)
def has_image_extension(image_path: str) -> bool:
return image_path.lower().endswith(('png', 'jpg', 'jpeg'))
def is_image(image_path: str) -> bool:
if image_path and os.path.isfile(image_path):
mimetype, _ = mimetypes.guess_type(image_path)
return bool(mimetype and mimetype.startswith('image/'))
return False
def is_video(video_path: str) -> bool:
if video_path and os.path.isfile(video_path):
mimetype, _ = mimetypes.guess_type(video_path)
return bool(mimetype and mimetype.startswith('video/'))
return False
def conditional_download(download_directory_path: str, urls: List[str]) -> None:
if not os.path.exists(download_directory_path):
os.makedirs(download_directory_path)
for url in urls:
download_file_path = os.path.join(download_directory_path, os.path.basename(url))
if not os.path.exists(download_file_path):
request = urllib.request.urlopen(url) # type: ignore[attr-defined]
total = int(request.headers.get('Content-Length', 0))
with tqdm(total=total, desc='Downloading', unit='B', unit_scale=True, unit_divisor=1024) as progress:
urllib.request.urlretrieve(url, download_file_path, reporthook=lambda count, block_size, total_size: progress.update(block_size)) # type: ignore[attr-defined]
def resolve_relative_path(path: str) -> str:
return os.path.abspath(os.path.join(os.path.dirname(__file__), path))