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			311 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			311 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env python3
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| # -*- coding: utf-8 -*-
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| """
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| 
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| __      __  _       _                  ___   __   __
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| \ \    / / (_)     | |                |__ \  \ \ / /
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|  \ \  / /   _    __| |   ___    ___      ) |  \ V /
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|   \ \/ /   | |  / _` |  / _ \  / _ \    / /    > <
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|    \  /    | | | (_| | |  __/ | (_) |  / /_   / . \
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|     \/     |_|  \__,_|  \___|  \___/  |____| /_/ \_\
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| 
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| 
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| Name: Video2x Controller
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| Author: K4YT3X
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| Date Created: Feb 24, 2018
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| Last Modified: October 23, 2018
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| 
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| Licensed under the GNU General Public License Version 3 (GNU GPL v3),
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|     available at: https://www.gnu.org/licenses/gpl-3.0.txt
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| 
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| (C) 2018 K4YT3X
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| 
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| Description: Video2X is an automation software based on
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| waifu2x image enlarging engine. It extracts frames from a
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| video, enlarge it by a number of times without losing any
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| details or quality, keeping lines smooth and edges sharp.
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| """
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| from avalon_framework import Avalon
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| from ffmpeg import Ffmpeg
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| from fractions import Fraction
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| from waifu2x import Waifu2x
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| import argparse
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| import inspect
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| import json
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| import os
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| import shutil
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| import subprocess
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| import threading
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| import time
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| import traceback
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| 
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| VERSION = '2.1.2'
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| 
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| EXEC_PATH = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
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| FRAMES = '{}\\frames'.format(EXEC_PATH)  # Folder containing extracted frames
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| UPSCALED = '{}\\upscaled'.format(EXEC_PATH)  # Folder containing enlarges frames
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| 
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| 
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| def process_arguments():
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|     """Processes CLI arguments
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| 
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|     This function parses all arguments
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|     This allows users to customize options
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|     for the output video.
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|     """
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|     parser = argparse.ArgumentParser()
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| 
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|     # Video options
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|     options_group = parser.add_argument_group('Options')
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|     options_group.add_argument('--width', help='Output video width', action='store', type=int, default=False)
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|     options_group.add_argument('--height', help='Output video height', action='store', type=int, default=False)
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|     options_group.add_argument('-v', '--video', help='Specify source video file', action='store', default=False)
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|     options_group.add_argument('-o', '--output', help='Specify output file', action='store', default=False)
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|     options_group.add_argument('-y', '--model_type', help='Specify model to use', action='store', default='anime_style_art_rgb')
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|     options_group.add_argument('-t', '--threads', help='Specify model to use', action='store', type=int, default=5)
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|     options_group.add_argument('-c', '--config', help='Manually specify config file', action='store', default='video2x.json')
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| 
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|     # Render drivers, at least one option must be specified
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|     driver_group = parser.add_argument_group('Render Drivers')
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|     driver_group.add_argument('--cpu', help='Use CPU for enlarging', action='store_true', default=False)
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|     driver_group.add_argument('--gpu', help='Use GPU for enlarging', action='store_true', default=False)
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|     driver_group.add_argument('--cudnn', help='Use CUDNN for enlarging', action='store_true', default=False)
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|     return parser.parse_args()
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| 
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| 
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| def print_logo():
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|     print('__      __  _       _                  ___   __   __')
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|     print('\\ \\    / / (_)     | |                |__ \\  \\ \\ / /')
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|     print(' \\ \\  / /   _    __| |   ___    ___      ) |  \\ V /')
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|     print('  \\ \\/ /   | |  / _` |  / _ \\  / _ \\    / /    > <')
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|     print('   \\  /    | | | (_| | |  __/ | (_) |  / /_   / . \\')
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|     print('    \\/     |_|  \\__,_|  \\___|  \\___/  |____| /_/ \\_\\')
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|     print('\n               Video2X Video Enlarger')
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|     spaces = ((44 - len("Version " + VERSION)) // 2) * " "
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|     print('{}\n{}    Version {}\n{}'.format(Avalon.FM.BD, spaces, VERSION, Avalon.FM.RST))
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| 
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| 
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| def read_config():
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|     """ Reads configuration file
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| 
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|     Returns a dictionary read by json.
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|     """
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|     with open(args.config, 'r') as raw_config:
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|         config = json.load(raw_config)
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|     return config
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| 
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| 
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| def get_video_info():
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|     """Gets original video information
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| 
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|     Retrieves original video information using
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|     ffprobe, then export it into json file.
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|     Finally it reads, parses the json file and
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|     returns a dictionary
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| 
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|     Returns:
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|         dictionary -- original video information
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|     """
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|     json_str = subprocess.check_output(
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|         '{} -v quiet -print_format json -show_format -show_streams \"{}\"'.format('\"' + ffmpeg_path + 'ffprobe.exe\"', args.video))
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|     return json.loads(json_str.decode('utf-8'))
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| 
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| 
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| def check_model_type(args):
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|     """
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|     Check if the model demanded from cli
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|     argument is legal.
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|     """
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|     models_available = ['upconv_7_anime_style_art_rgb', 'upconv_7_photo',
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|                         'anime_style_art_rgb', 'photo', 'anime_style_art_y']
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|     if args.model_type not in models_available:
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|         Avalon.error('Specified model type not found!')
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|         Avalon.info('Available models:')
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|         for model in models_available:
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|             print(model)
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|         exit(1)
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| 
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| 
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| def upscale_frames(w2):
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|     """ Upscale video frames with waifu2x-caffe
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| 
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|     This function upscales all the frames extracted
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|     by ffmpeg using the waifu2x-caffe binary.
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| 
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|     Arguments:
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|         w2 {Waifu2x Object} -- initialized waifu2x object
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|     """
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| 
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|     # Create a container for all upscaler threads
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|     upscaler_threads = []
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| 
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|     # List all images in the extracted frames
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|     frames = [os.path.join(FRAMES, f) for f in os.listdir(FRAMES) if os.path.isfile(os.path.join(FRAMES, f))]
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| 
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|     # If we have less images than threads,
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|     # create only the threads necessary
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|     if len(frames) < args.threads:
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|         args.threads = len(frames)
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| 
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|     # Move an equal amount of images into separate
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|     # folders for each thread
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|     images_per_thread = len(frames) // args.threads
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|     for thread_id in range(args.threads):
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|         thread_folder = '{}\\{}'.format(FRAMES, str(thread_id))
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| 
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|         # Delete old folders and create new folders
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|         if os.path.isdir(thread_folder):
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|             shutil.rmtree(thread_folder)
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|         os.mkdir(thread_folder)
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| 
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|         # Begin moving images into corresponding folders
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|         for _ in range(images_per_thread):
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|             try:
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|                 shutil.move(frames.pop(0), thread_folder)
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|             except IndexError:
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|                 pass
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| 
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|         # Create thread
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|         thread = threading.Thread(target=w2.upscale, args=(thread_folder, UPSCALED, args.width, args.height))
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|         thread.name = str(thread_id)
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| 
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|         # Add threads into the pool
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|         upscaler_threads.append(thread)
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| 
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|     # Start all threads
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|     for thread in upscaler_threads:
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|         thread.start()
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| 
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|     # Wait for threads to finish
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|     for thread in upscaler_threads:
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|         thread.join()
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| 
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| 
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| def video2x():
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|     """Main controller for Video2X
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| 
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|     This function controls the flow of video conversion
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|     and handles all necessary functions.
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|     """
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| 
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|     check_model_type(args)
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| 
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|     # Parse arguments for waifu2x
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|     if args.cpu:
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|         method = 'cpu'
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|     elif args.gpu:
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|         method = 'gpu'
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|     elif args.cudnn:
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|         method = 'cudnn'
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| 
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|     # Initialize objects for ffmpeg and waifu2x-caffe
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|     fm = Ffmpeg('\"' + ffmpeg_path + 'ffmpeg.exe\"', args.output)
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|     w2 = Waifu2x(waifu2x_path, method, args.model_type)
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| 
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|     # Clear and create directories
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|     if os.path.isdir(FRAMES):
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|         shutil.rmtree(FRAMES)
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|     if os.path.isdir(UPSCALED):
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|         shutil.rmtree(UPSCALED)
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|     os.mkdir(FRAMES)
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|     os.mkdir(UPSCALED)
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| 
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|     # Extract frames from video
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|     fm.extract_frames(args.video, FRAMES)
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| 
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|     Avalon.info('Reading video information')
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|     info = get_video_info()
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|     # Analyze original video with ffprobe and retrieve framerate
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|     # width, height = info['streams'][0]['width'], info['streams'][0]['height']
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| 
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|     # Find index of video stream
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|     video_stream_index = None
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|     for stream in info['streams']:
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|         if stream['codec_type'] == 'video':
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|             video_stream_index = stream['index']
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|             break
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| 
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|     # Exit if no video stream found
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|     if video_stream_index is None:
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|         Avalon.error('Aborting: No video stream found')
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| 
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|     # Get average frame rate of video stream
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|     framerate = float(Fraction(info['streams'][video_stream_index]['avg_frame_rate']))
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|     Avalon.info('Framerate: {}'.format(framerate))
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| 
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|     # Upscale images one by one using waifu2x
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|     Avalon.info('Starting to upscale extracted images')
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|     upscale_frames(w2)
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|     Avalon.info('Upscaling completed')
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| 
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|     # Frames to Video
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|     Avalon.info('Converting extracted frames into video')
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|     fm.convert_video(framerate, '{}x{}'.format(args.width, args.height), UPSCALED)
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|     Avalon.info('Conversion completed')
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| 
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|     # Extract and press audio in
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|     Avalon.info('Stripping audio track from original video')
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|     fm.extract_audio(args.video, UPSCALED)
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|     Avalon.info('Inserting audio track into new video')
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|     fm.insert_audio_track(UPSCALED)
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| 
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| 
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| # /////////////////// Execution /////////////////// #
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| 
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| # This is not a library
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| if __name__ != '__main__':
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|     Avalon.error('This file cannot be imported')
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|     exit(1)
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| 
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| # Process cli arguments
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| args = process_arguments()
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| 
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| # Print video2x banner
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| print_logo()
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| 
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| # Check if arguments are valid / all necessary argument
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| # values are specified
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| if not args.video:
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|     Avalon.error('You need to specify the video to process')
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|     exit(1)
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| elif not args.width or not args.height:
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|     Avalon.error('You must specify output video width and height')
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|     exit(1)
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| elif not args.output:
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|     Avalon.error('You need to specify the output video name')
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|     exit(1)
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| elif not args.cpu and not args.gpu and not args.cudnn:
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|     Avalon.error('You need to specify the enlarging processing unit')
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|     exit(1)
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| 
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| # Convert paths to absolute paths
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| args.video = os.path.abspath(args.video)
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| args.output = os.path.abspath(args.output)
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| 
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| # Read configurations from config file
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| config = read_config()
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| waifu2x_path = config['waifu2x_path']
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| ffmpeg_path = config['ffmpeg_path']
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| 
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| 
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| # Check if FFMPEG and waifu2x are present
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| if not os.path.isdir(ffmpeg_path):
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|     Avalon.error('FFMPEG binaries not found')
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|     Avalon.error('Please specify FFMPEG binaries location in config file')
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|     Avalon.error('Current value: {}'.format(ffmpeg_path))
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|     raise FileNotFoundError(ffmpeg_path)
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| if not os.path.isfile(waifu2x_path):
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|     Avalon.error('Waifu2x CUI executable not found')
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|     Avalon.error('Please specify Waifu2x CUI location in config file')
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|     Avalon.error('Current value: {}'.format(waifu2x_path))
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|     raise FileNotFoundError(waifu2x_path)
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| 
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| # Start execution
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| try:
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|     begin_time = time.time()
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|     video2x()
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|     Avalon.info('Program completed, taking {} seconds'.format(round((time.time() - begin_time), 5)))
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| except Exception:
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|     Avalon.error('An exception occurred')
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|     traceback.print_exc()
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