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import os
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import importlib
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import psutil
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from concurrent.futures import ThreadPoolExecutor, as_completed
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from queue import Queue
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from types import ModuleType
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from typing import Any, List, Callable
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from tqdm import tqdm
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import roop
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FRAME_PROCESSORS_MODULES: List[ModuleType] = []
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FRAME_PROCESSORS_INTERFACE = [
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'pre_check',
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'pre_start',
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'process_frame',
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'process_frames',
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'process_image',
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'process_video',
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'post_process'
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]
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def load_frame_processor_module(frame_processor: str) -> Any:
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try:
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frame_processor_module = importlib.import_module(f'roop.processors.frame.{frame_processor}')
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for method_name in FRAME_PROCESSORS_INTERFACE:
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if not hasattr(frame_processor_module, method_name):
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raise NotImplementedError
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except (ImportError, NotImplementedError):
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quit(f'Frame processor {frame_processor} crashed.')
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return frame_processor_module
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def get_frame_processors_modules(frame_processors: List[str]) -> List[ModuleType]:
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global FRAME_PROCESSORS_MODULES
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for frame_processor in frame_processors:
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found = False
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for frame_processor_module in FRAME_PROCESSORS_MODULES:
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if frame_processor_module.frame_name == frame_processor:
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found = True
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break
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if not found:
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frame_processor_module = load_frame_processor_module(frame_processor)
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FRAME_PROCESSORS_MODULES.append(frame_processor_module)
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return FRAME_PROCESSORS_MODULES
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def multi_process_frame(source_path: str, temp_frame_paths: List[str], process_frames: Callable[[str, List[str], Any], None], update: Callable[[], None]) -> None:
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with ThreadPoolExecutor(max_workers=roop.globals.execution_threads) as executor:
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futures = []
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queue = create_queue(temp_frame_paths)
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queue_per_future = len(temp_frame_paths) // roop.globals.execution_threads
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while not queue.empty():
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future = executor.submit(process_frames, source_path, pick_queue(queue, queue_per_future), update)
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futures.append(future)
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for future in as_completed(futures):
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future.result()
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def create_queue(temp_frame_paths: List[str]) -> Queue[str]:
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queue: Queue[str] = Queue()
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for frame_path in temp_frame_paths:
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queue.put(frame_path)
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return queue
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def pick_queue(queue: Queue[str], queue_per_future: int) -> List[str]:
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queues = []
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for _ in range(queue_per_future):
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if not queue.empty():
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queues.append(queue.get())
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return queues
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def process_video(source_path: str, frame_paths: list[str], process_frames: Callable[[str, List[str], Any], None]) -> None:
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progress_bar_format = '{l_bar}{bar}| {n_fmt}/{total_fmt} [{elapsed}<{remaining}, {rate_fmt}{postfix}]'
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total = len(frame_paths)
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with tqdm(total=total, desc='Processing', unit='frame', dynamic_ncols=True, bar_format=progress_bar_format) as progress:
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multi_process_frame(source_path, frame_paths, process_frames, lambda: update_progress(progress))
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def update_progress(progress: Any = None) -> None:
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process = psutil.Process(os.getpid())
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memory_usage = process.memory_info().rss / 1024 / 1024 / 1024
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progress.set_postfix({
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'memory_usage': '{:.2f}'.format(memory_usage).zfill(5) + 'GB',
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'execution_providers': roop.globals.execution_providers,
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'execution_threads': roop.globals.execution_threads
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})
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progress.refresh()
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progress.update(1)
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