142 lines
5.4 KiB
Python
142 lines
5.4 KiB
Python
import glob
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import mimetypes
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import os
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import platform
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import shutil
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import ssl
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import subprocess
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import urllib
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from pathlib import Path
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from typing import List, Any
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from tqdm import tqdm
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import modules.globals
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TEMP_FILE = 'temp.mp4'
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TEMP_DIRECTORY = 'temp'
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# monkey patch ssl for mac
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if platform.system().lower() == 'darwin':
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ssl._create_default_https_context = ssl._create_unverified_context
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def run_ffmpeg(args: List[str]) -> bool:
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commands = ['ffmpeg', '-hide_banner', '-hwaccel', 'auto', '-loglevel', modules.globals.log_level]
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commands.extend(args)
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try:
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subprocess.check_output(commands, stderr=subprocess.STDOUT)
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return True
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except Exception:
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pass
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return False
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def detect_fps(target_path: str) -> float:
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command = ['ffprobe', '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=r_frame_rate', '-of', 'default=noprint_wrappers=1:nokey=1', target_path]
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output = subprocess.check_output(command).decode().strip().split('/')
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try:
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numerator, denominator = map(int, output)
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return numerator / denominator
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except Exception:
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pass
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return 30.0
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def extract_frames(target_path: str) -> None:
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temp_directory_path = get_temp_directory_path(target_path)
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run_ffmpeg(['-i', target_path, '-pix_fmt', 'rgb24', os.path.join(temp_directory_path, '%04d.png')])
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def create_video(target_path: str, fps: float = 30.0) -> None:
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temp_output_path = get_temp_output_path(target_path)
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temp_directory_path = get_temp_directory_path(target_path)
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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])
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def restore_audio(target_path: str, output_path: str) -> None:
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temp_output_path = get_temp_output_path(target_path)
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done = run_ffmpeg(['-i', temp_output_path, '-i', target_path, '-c:v', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-y', output_path])
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if not done:
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move_temp(target_path, output_path)
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def get_temp_frame_paths(target_path: str) -> List[str]:
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temp_directory_path = get_temp_directory_path(target_path)
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return glob.glob((os.path.join(glob.escape(temp_directory_path), '*.png')))
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def get_temp_directory_path(target_path: str) -> str:
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target_name, _ = os.path.splitext(os.path.basename(target_path))
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target_directory_path = os.path.dirname(target_path)
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return os.path.join(target_directory_path, TEMP_DIRECTORY, target_name)
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def get_temp_output_path(target_path: str) -> str:
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temp_directory_path = get_temp_directory_path(target_path)
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return os.path.join(temp_directory_path, TEMP_FILE)
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def normalize_output_path(source_path: str, target_path: str, output_path: str) -> Any:
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if source_path and target_path:
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source_name, _ = os.path.splitext(os.path.basename(source_path))
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target_name, target_extension = os.path.splitext(os.path.basename(target_path))
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if os.path.isdir(output_path):
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return os.path.join(output_path, source_name + '-' + target_name + target_extension)
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return output_path
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def create_temp(target_path: str) -> None:
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temp_directory_path = get_temp_directory_path(target_path)
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Path(temp_directory_path).mkdir(parents=True, exist_ok=True)
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def move_temp(target_path: str, output_path: str) -> None:
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temp_output_path = get_temp_output_path(target_path)
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if os.path.isfile(temp_output_path):
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if os.path.isfile(output_path):
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os.remove(output_path)
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shutil.move(temp_output_path, output_path)
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def clean_temp(target_path: str) -> None:
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temp_directory_path = get_temp_directory_path(target_path)
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parent_directory_path = os.path.dirname(temp_directory_path)
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if not modules.globals.keep_frames and os.path.isdir(temp_directory_path):
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shutil.rmtree(temp_directory_path)
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if os.path.exists(parent_directory_path) and not os.listdir(parent_directory_path):
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os.rmdir(parent_directory_path)
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def has_image_extension(image_path: str) -> bool:
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return image_path.lower().endswith(('png', 'jpg', 'jpeg'))
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def is_image(image_path: str) -> bool:
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if image_path and os.path.isfile(image_path):
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mimetype, _ = mimetypes.guess_type(image_path)
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return bool(mimetype and mimetype.startswith('image/'))
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return False
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def is_video(video_path: str) -> bool:
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if video_path and os.path.isfile(video_path):
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mimetype, _ = mimetypes.guess_type(video_path)
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return bool(mimetype and mimetype.startswith('video/'))
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return False
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def conditional_download(download_directory_path: str, urls: List[str]) -> None:
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if not os.path.exists(download_directory_path):
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os.makedirs(download_directory_path)
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for url in urls:
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download_file_path = os.path.join(download_directory_path, os.path.basename(url))
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if not os.path.exists(download_file_path):
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request = urllib.request.urlopen(url) # type: ignore[attr-defined]
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total = int(request.headers.get('Content-Length', 0))
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with tqdm(total=total, desc='Downloading', unit='B', unit_scale=True, unit_divisor=1024) as progress:
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urllib.request.urlretrieve(url, download_file_path, reporthook=lambda count, block_size, total_size: progress.update(block_size)) # type: ignore[attr-defined]
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def resolve_relative_path(path: str) -> str:
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return os.path.abspath(os.path.join(os.path.dirname(__file__), path))
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