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83 lines
2.6 KiB
Python
Executable File
83 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Name: Waifu2x NCNN Vulkan Driver
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Creator: SAT3LL
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Date Created: June 26, 2019
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Last Modified: November 15, 2019
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Editor: K4YT3X
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Last Modified: February 22, 2020
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Description: This class is a high-level wrapper
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for waifu2x_ncnn_vulkan.
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"""
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# built-in imports
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import os
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import shlex
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import subprocess
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import threading
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# third-party imports
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from avalon_framework import Avalon
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class Waifu2xNcnnVulkan:
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"""This class communicates with waifu2x ncnn vulkan engine
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An object will be created for this class, containing information
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about the binary address and the processing method. When being called
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by the main program, other detailed information will be passed to
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the upscale function.
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"""
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def __init__(self, driver_settings):
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self.driver_settings = driver_settings
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# arguments passed through command line overwrites config file values
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# waifu2x_ncnn_vulkan can't find its own model directory if its not in the current dir
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# so change to it
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os.chdir(os.path.join(self.driver_settings['path'], '..'))
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self.print_lock = threading.Lock()
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def upscale(self, input_directory, output_directory, scale_ratio):
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"""This is the core function for WAIFU2X class
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Arguments:
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input_directory {string} -- source directory path
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output_directory {string} -- output directory path
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ratio {int} -- output video ratio
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"""
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# overwrite config file settings
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self.driver_settings['i'] = input_directory
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self.driver_settings['o'] = output_directory
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self.driver_settings['s'] = int(scale_ratio)
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# list to be executed
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# initialize the list with waifu2x binary path as the first element
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execute = [str(self.driver_settings['path'])]
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for key in self.driver_settings.keys():
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value = self.driver_settings[key]
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# is executable key or null or None means that leave this option out (keep default)
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if key == 'path' or value is None or value is False:
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continue
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else:
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if len(key) == 1:
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execute.append(f'-{key}')
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else:
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execute.append(f'--{key}')
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execute.append(str(value))
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# return the Popen object of the new process created
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self.print_lock.acquire()
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Avalon.debug_info(f'[upscaler] Subprocess {os.getpid()} executing: {shlex.join(execute)}')
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self.print_lock.release()
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return subprocess.Popen(execute)
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