video2x/bin/waifu2x_caffe.py

93 lines
3.1 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Name: Waifu2x Caffe Driver
Author: K4YT3X
Date Created: Feb 24, 2018
Last Modified: March 19, 2019
Description: This class is a high-level wrapper
for waifu2x-caffe.
"""
from avalon_framework import Avalon
import subprocess
import threading
class Waifu2xCaffe:
"""This class communicates with waifu2x cui engine
An object will be created for this class, containing information
about the binary address and the processing method. When being called
by the main program, other detailed information will be passed to
the upscale function.
"""
def __init__(self, waifu2x_settings, process, model_dir):
self.waifu2x_settings = waifu2x_settings
self.waifu2x_settings['process'] = process
self.waifu2x_settings['model_dir'] = model_dir
# arguments passed through command line overwrites config file values
self.process = process
self.model_dir = model_dir
self.print_lock = threading.Lock()
def upscale(self, input_folder, output_folder, scale_ratio, scale_width, scale_height):
"""This is the core function for WAIFU2X class
Arguments:
input_folder {string} -- source folder path
output_folder {string} -- output folder path
width {int} -- output video width
height {int} -- output video height
"""
# overwrite config file settings
self.waifu2x_settings['input_path'] = input_folder
self.waifu2x_settings['output_path'] = output_folder
if scale_ratio:
self.waifu2x_settings['scale_ratio'] = scale_ratio
elif scale_width and scale_height:
self.waifu2x_settings['scale_width'] = scale_width
self.waifu2x_settings['scale_height'] = scale_height
# print thread start message
self.print_lock.acquire()
Avalon.debug_info('[upscaler] Thread {} started'.format(threading.current_thread().name))
self.print_lock.release()
# list to be executed
execute = []
for key in self.waifu2x_settings.keys():
value = self.waifu2x_settings[key]
# the key doesn't need to be passed in this case
if key == 'waifu2x_caffe_path':
execute.append(str(value))
# null or None means that leave this option out (keep default)
elif value is None or value is False:
continue
else:
if len(key) == 1:
execute.append('-{}'.format(key))
else:
execute.append('--{}'.format(key))
execute.append(str(value))
Avalon.debug_info('Executing: {}'.format(execute))
completed_command = subprocess.run(execute, check=True)
# print thread exiting message
self.print_lock.acquire()
Avalon.debug_info('[upscaler] Thread {} exiting'.format(threading.current_thread().name))
self.print_lock.release()
# return command execution return code
return completed_command.returncode