Deep-Live-Cam/modules/utilities.py

138 lines
5.5 KiB
Python

import glob
import mimetypes
import os
import platform
import shutil
import ssl
import subprocess
import urllib.request
from pathlib import Path
from typing import List, Any
from tqdm import tqdm
import modules.globals
TEMP_FILE = 'temp.mp4'
TEMP_DIRECTORY = 'temp'
# Monkey patch SSL for macOS to handle issues with some HTTPS requests
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 subprocess.CalledProcessError as e:
print(f"FFmpeg error: {e.output.decode()}")
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
]
try:
output = subprocess.check_output(command).decode().strip().split('/')
numerator, denominator = map(int, output)
return numerator / denominator
except (subprocess.CalledProcessError, ValueError):
print("Failed to detect FPS, defaulting to 30.0 FPS.")
return 30.0
def extract_frames(target_path: str) -> None:
temp_directory_path = get_temp_directory_path(target_path)
create_temp(target_path)
run_ffmpeg(['-i', target_path, '-pix_fmt', 'rgb24', os.path.join(temp_directory_path, '%04d.png')])
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 = Path(target_path).stem
target_directory_path = Path(target_path).parent
return str(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 str(Path(temp_directory_path) / TEMP_FILE)
def normalize_output_path(source_path: str, target_path: str, output_path: str) -> str:
if source_path and target_path and os.path.isdir(output_path):
source_name = Path(source_path).stem
target_name = Path(target_path).stem
target_extension = Path(target_path).suffix
return str(Path(output_path) / f"{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):
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 = Path(temp_directory_path).parent
if not modules.globals.keep_frames and os.path.isdir(temp_directory_path):
shutil.rmtree(temp_directory_path)
if parent_directory_path.exists() and not list(parent_directory_path.iterdir()):
parent_directory_path.rmdir()
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 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 mimetype and mimetype.startswith('video/')
return False
def conditional_download(download_directory_path: str, urls: List[str]) -> None:
download_directory = Path(download_directory_path)
download_directory.mkdir(parents=True, exist_ok=True)
for url in urls:
download_file_path = download_directory / Path(url).name
if not download_file_path.exists():
with urllib.request.urlopen(url) as request:
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))
def resolve_relative_path(path: str) -> str:
return str(Path(__file__).parent / path)