mirror of
https://github.com/master-of-zen/Av1an.git
synced 2024-11-25 02:29:40 +00:00
496 lines
18 KiB
Python
Executable file
496 lines
18 KiB
Python
Executable file
#!/usr/bin/env python3
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# Todo:
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# Benchmarking
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# Add conf file
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from tqdm import tqdm
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import sys
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import os
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import shutil
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from os.path import join
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from psutil import virtual_memory
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import argparse
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from shutil import rmtree
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from math import ceil
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from multiprocessing import Pool
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import multiprocessing
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import subprocess
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try:
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import scenedetect
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except ImportError:
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print('PySceneDetect not found. Please check installation')
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sys.exit()
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from scenedetect.video_manager import VideoManager
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from scenedetect.scene_manager import SceneManager
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from scenedetect.detectors import ContentDetector
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if sys.version_info < (3, 7):
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print('Av1an requires at least Python 3.7 to run.')
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sys.exit()
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class ProgressBar:
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# Progress Bar for tracking encoding progress
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def __init__(self, tasks):
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self.bar_iteration: int = 0
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self.tasks = tasks
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# Print empty bar on initialization
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self.print()
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def print(self):
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terminal_size, _ = shutil.get_terminal_size((80, 20))
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bar_length = terminal_size - (2 * len(str(self.tasks))) - 13
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if self.bar_iteration == 0:
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percent = 0
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fill_size = 0
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else:
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percent = round(100 * (self.bar_iteration / self.tasks), 1)
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fill_size = int(bar_length * self.bar_iteration // self.tasks)
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end = f'{percent}% {self.bar_iteration}/{self.tasks}'
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in_bar = ('█' * fill_size) + '-' * (bar_length - fill_size)
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print(f'\r|{in_bar}| {end} ', end='')
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def tick(self):
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self.bar_iteration += 1
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self.print()
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class Av1an:
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def __init__(self):
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self.here = os.getcwd()
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self.FFMPEG = 'ffmpeg -hide_banner -loglevel error'
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self.pix_format = 'yuv420p'
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self.encoder = 'aom'
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self.encode_pass = 2
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self.threshold = 30
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self.workers = 0
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self.mode = 0
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self.ffmpeg_pipe = None
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self.ffmpeg_com = None
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self.logging = None
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self.args = None
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self.encoding_params = ''
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self.output_file = ''
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self.pyscene = ''
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self.scenes = ''
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def call_cmd(self, cmd, capture_output=False):
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if capture_output:
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return subprocess.run(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout
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with open(self.logging, 'a') as log:
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subprocess.run(cmd, shell=True, stdout=log, stderr=log)
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def arg_parsing(self):
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# Command line parse and assigning defined and user defined params
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parser = argparse.ArgumentParser()
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parser.add_argument('--mode', '-m', type=int, default=self.mode, help='Mode 0 - video, Mode 1 - image')
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parser.add_argument('--encoding_params', '-e', type=str, default=self.encoding_params, help='encoding settings')
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parser.add_argument('--file_path', '-i', type=str, default='bruh.mp4', help='Input File', required=True)
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parser.add_argument('--encoder', '-enc', type=str, default=self.encoder, help='Choosing encoder')
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parser.add_argument('--workers', '-t', type=int, default=0, help='Number of workers')
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parser.add_argument('--audio_params', '-a', type=str, default='-c:a copy', help='FFmpeg audio settings')
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parser.add_argument('--threshold', '-tr', type=float, default=self.threshold, help='PySceneDetect Threshold')
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parser.add_argument('--logging', '-log', type=str, default=self.logging, help='Enable logging')
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parser.add_argument('--encode_pass', '-p', type=int, default=self.encode_pass, help='Specify encoding passes')
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parser.add_argument('--output_file', '-o', type=str, default='', help='Specify output file')
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parser.add_argument('--ffmpeg_com', '-ff', type=str, default='', help='FFmpeg commands')
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parser.add_argument('--pix_format', '-fmt', type=str, default=self.pix_format, help='FFmpeg pixel format')
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parser.add_argument('--scenes', '-s', type=str, default=self.scenes, help='File location for scenes')
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# Pass command line args that were passed
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self.args = parser.parse_args()
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# Set scenes if provided
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self.scenes = self.args.scenes
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self.threshold = self.args.threshold
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# Set encoder if provided
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self.encoder = self.args.encoder.strip()
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if self.encoder not in ('svt_av1', 'rav1e', 'aom'):
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print(f'Not valid encoder {self.encoder}')
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sys.exit()
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# Set mode (Video/Picture)
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self.mode = self.args.mode
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# Number of encoder passes
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self.encode_pass = self.args.encode_pass
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# Forcing FPS option
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if self.args.ffmpeg_com == 0:
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self.ffmpeg_com = ''
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else:
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self.ffmpeg_com = self.args.ffmpeg_com
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# Changing pixel format, bit format
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if self.args.pix_format != self.pix_format:
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self.pix_format = f' -strict -1 -pix_fmt {self.args.pix_format}'
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else:
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self.pix_format = f'-pix_fmt {self.args.pix_format}'
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self.ffmpeg_pipe = f' {self.ffmpeg_com} {self.pix_format} -f yuv4mpegpipe - |'
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# Setting logging file
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if self.args.logging:
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self.logging = f"{self.args.logging}.log"
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else:
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self.logging = os.devnull
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def determine_resources(self):
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# Returns number of workers that machine can handle with selected encoder
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cpu = os.cpu_count()
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ram = round(virtual_memory().total / 2 ** 30)
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if self.args.workers != 0:
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self.workers = self.args.workers
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elif self.encoder == 'aom' or 'rav1e':
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self.workers = ceil(min(cpu, ram/1.5))
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elif self.encoder == 'svt_av1':
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self.workers = ceil(min(cpu, ram)) // 5
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# fix if workers round up to 0
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if self.workers == 0:
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self.workers += 1
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def setup(self, input_file):
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if not os.path.exists(input_file):
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print("File don't exist")
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sys.exit()
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# Make temporal directories, and remove them if already presented
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if os.path.isdir(join(os.getcwd(), ".temp")):
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rmtree(join(self.here, ".temp"))
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os.makedirs(join(self.here, '.temp', 'split'))
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os.makedirs(join(self.here, '.temp', 'encode'))
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def extract_audio(self, input_vid):
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# Extracting audio from video file
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# Encoding audio if needed
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ffprobe = 'ffprobe -hide_banner -loglevel error -show_streams -select_streams a'
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# Capture output to check if audio is present
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check = fr'{ffprobe} -i {join(self.here,input_vid)}'
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is_audio_here = len(self.call_cmd(check, capture_output=True)) > 0
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if is_audio_here:
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cmd = f'{self.FFMPEG} -i {join(self.here, input_vid)} -vn ' \
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f'{self.args.audio_params} {join(os.getcwd(), ".temp", "audio.mkv")}'
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self.call_cmd(cmd)
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def scenedetect(self, video):
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# PySceneDetect used split video by scenes and pass it to encoder
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# Optimal threshold settings 15-50
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video_manager = VideoManager([video])
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scene_manager = SceneManager()
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scene_manager.add_detector(ContentDetector(threshold=self.threshold))
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base_timecode = video_manager.get_base_timecode()
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try:
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# If stats file exists, load it.
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if self.scenes and os.path.exists(join(self.here, self.scenes)):
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# Read stats from CSV file opened in read mode:
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with open(join(self.here, self.scenes), 'r') as stats_file:
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stats = stats_file.read()
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return stats
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# Set video_manager duration to read frames from 00:00:00 to 00:00:20.
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video_manager.set_duration()
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# Set downscale factor to improve processing speed.
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video_manager.set_downscale_factor()
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# Start video_manager.
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video_manager.start()
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# Perform scene detection on video_manager.
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scene_manager.detect_scenes(frame_source=video_manager, show_progress=False)
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# Obtain list of detected scenes.
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scene_list = scene_manager.get_scene_list(base_timecode)
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# Like FrameTimecodes, each scene in the scene_list can be sorted if the
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# list of scenes becomes unsorted.
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scenes = []
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for i, scene in enumerate(scene_list):
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scenes.append(scene[0].get_timecode())
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scenes = ','.join(scenes[1:])
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# We only write to the stats file if a save is required:
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if self.scenes:
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with open(join(self.here, self.scenes), 'w') as stats_file:
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stats_file.write(scenes)
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return scenes
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else:
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return scenes
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except Exception:
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print('Error in PySceneDetect')
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sys.exit()
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def split(self, video, timecodes):
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# Splits video with provided timecodes
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# If video is single scene, just copy video
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if len(timecodes) == 0:
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cmd = f'{self.FFMPEG} -i {video} -map_metadata 0 -an -c copy -avoid_negative_ts 1 .temp/split/0.mkv'
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else:
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cmd = f'{self.FFMPEG} -i {video} -map_metadata 0 -an -f segment -segment_times {timecodes} ' \
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f'-c copy -avoid_negative_ts 1 .temp/split/%04d.mkv'
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self.call_cmd(cmd)
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def get_video_queue(self, source_path):
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# Returns sorted list of all videos that need to be encoded. Big first
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videos = []
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for root, dirs, files in os.walk(source_path):
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for file in files:
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f = os.path.getsize(os.path.join(root, file))
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videos.append([file, f])
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videos = [i[0] for i in sorted(videos, key=lambda x: -x[1])]
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return videos
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def svt_av1_encode(self, file_paths):
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if self.args.encoding_params == '':
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print('-w -h -fps is required parameters for svt_av1 encoder')
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sys.exit()
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else:
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self.encoding_params = self.args.encoding_params
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encoder = 'SvtAv1EncApp '
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if self.encode_pass == 1:
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pass_1_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe} ' +
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f' {encoder} -i stdin {self.encoding_params} -b {file[1]}.ivf -', file[2])
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for file in file_paths]
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return pass_1_commands
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if self.encode_pass == 2:
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p2i = '-input-stat-file '
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p2o = ' -output-stat-file '
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pass_2_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe} ' +
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f' {encoder} -i stdin {self.encoding_params} {p2o} {file[0]}.stat -b {file[0]}.bk - ',
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f'-i {file[0]} {self.ffmpeg_pipe} ' +
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f' {encoder} -i stdin {self.encoding_params} {p2i} {file[0]}.stat -b {file[1]}.ivf - ',
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file[2])
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for file in file_paths]
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return pass_2_commands
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def aom_encode(self, file_paths):
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if self.args.encoding_params == '':
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self.encoding_params = '--cpu-used=6 --end-usage=q --cq-level=40'
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else:
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self.encoding_params = self.args.encoding_params
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single_pass = 'aomenc --verbose --passes=1 '
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two_pass_1_aom = 'aomenc --verbose --passes=2 --pass=1'
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two_pass_2_aom = 'aomenc --verbose --passes=2 --pass=2'
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if self.encode_pass == 1:
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pass_1_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe} ' +
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f' {single_pass} {self.encoding_params} -o {file[1]}.ivf - ', file[2])
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for file in file_paths]
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return pass_1_commands
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if self.encode_pass == 2:
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pass_2_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe}' +
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f' {two_pass_1_aom} {self.encoding_params} --fpf={file[0]}.log -o /dev/null - ',
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f'-i {file[0]} {self.ffmpeg_pipe}' +
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f' {two_pass_2_aom} {self.encoding_params} --fpf={file[0]}.log -o {file[1]}.ivf - ',
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file[2])
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for file in file_paths]
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return pass_2_commands
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def rav1e_encode(self, file_paths):
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if self.args.encoding_params == '':
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self.encoding_params = '--speed=5'
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else:
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self.encoding_params = self.args.encoding_params
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if self.encode_pass == 1 or self.encode_pass == 2:
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pass_1_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe} '
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f' rav1e - {self.encoding_params} '
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f'--output {file[1]}.ivf', f'{file[2]}.ivf ')
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for file in file_paths]
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return pass_1_commands
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if self.encode_pass == 2:
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# 2 encode pass not working with FFmpeg pipes :(
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pass_2_commands = [
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(f'-i {file[0]} {self.ffmpeg_pipe} '
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f' rav1e - --first-pass {file[0]}.stat {self.encoding_params} '
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f'--output {file[0]}.ivf',
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f'-i {file[0]} {self.ffmpeg_pipe} '
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f' rav1e - --second-pass {file[0]}.stat {self.encoding_params} '
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f'--output {file[1]}.ivf',
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f'{file[2]}.ivf')
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for file in file_paths]
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return pass_2_commands
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def compose_encoding_queue(self, files):
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file_paths = [(f'{join(os.getcwd(), ".temp", "split", file_name)}',
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f'{join(os.getcwd(), ".temp", "encode", file_name)}',
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file_name) for file_name in files]
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if self.encoder == 'aom':
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return self.aom_encode(file_paths)
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elif self.encoder == 'rav1e':
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return self.rav1e_encode(file_paths)
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elif self.encoder == 'svt_av1':
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return self.svt_av1_encode(file_paths)
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else:
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print(self.encoder)
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print(f'No valid encoder : "{self.encoder}"')
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sys.exit()
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def encode(self, commands):
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# Passing encoding params to ffmpeg for encoding
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# Replace ffmpeg with aom because ffmpeg aom doesn't work with parameters properly
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for i in commands[:-1]:
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cmd = rf'{self.FFMPEG} {i}'
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self.call_cmd(cmd)
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def concatenate_video(self, input_video):
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# Using FFMPEG to concatenate all encoded videos to 1 file.
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# Reading all files in A-Z order and saving it to concat.txt
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with open(f'{join(self.here, ".temp", "concat.txt")}', 'w') as f:
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for root, firs, files in os.walk(join(self.here, '.temp', 'encode')):
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for file in sorted(files):
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f.write(f"file '{join(root, file)}'\n")
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concat = join(self.here, ".temp", "concat.txt")
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# Add the audio file if one was extracted from the input
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audio_file = join(self.here, ".temp", "audio.mkv")
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if os.path.exists(audio_file):
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audio = f'-i {audio_file} -c:a copy'
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else:
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audio = ''
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if self.output_file == self.args.output_file:
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self.output_file = f'{input_video.split(".")[0]}_av1.mkv'
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else:
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self.output_file = f'{join(self.here, self.args.output_file)}.mkv'
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try:
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cmd = f'{self.FFMPEG} -f concat -safe 0 -i {concat} {audio} -c copy -y {self.output_file}'
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self.call_cmd(cmd)
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except Exception:
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print('Concatenation failed')
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sys.exit()
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def image(self, image_path):
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print('Encoding Image..', end='')
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image_pipe = rf'{self.FFMPEG} -i {image_path} -pix_fmt yuv420p10le -f yuv4mpegpipe -strict -1 - | '
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output = rf'{"".join(image_path.split(".")[:-1])}.ivf'
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if self.encoder == 'aom':
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aom = ' aomenc --passes=1 --pass=1 --end-usage=q -b 10 --input-bit-depth=10 '
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cmd = (rf' {image_pipe} ' +
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rf'{aom} {self.encoding_params} -o {output} - ')
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self.call_cmd(cmd)
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elif self.encoder == 'rav1e':
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cmd = (rf' {image_pipe} ' +
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rf' rav1e {self.encoding_params} - -o {output} ')
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self.call_cmd(cmd)
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else:
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print(f'Not valid encoder: {self.encoder}')
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sys.exit()
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def main(self):
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# Parse initial arguments
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self.arg_parsing()
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# Video Mode
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if self.mode == 0:
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# Check validity of request and create temp folders/files
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self.setup(self.args.file_path)
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# Splitting video and sorting big-first
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timestamps = self.scenedetect(self.args.file_path)
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self.split(self.args.file_path, timestamps)
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files = self.get_video_queue('.temp/split')
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# Extracting audio
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self.extract_audio(self.args.file_path)
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# Determine resources
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self.determine_resources()
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# Make encode queue
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commands = self.compose_encoding_queue(files)
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# Reduce number of workers if needed
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self.workers = min(len(commands), self.workers)
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# Creating threading pool to encode bunch of files at the same time
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print(f'\rWorkers: {self.workers} Params: {self.encoding_params}')
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# Progress bar
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# bar = ProgressBar(len(files))
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pool = Pool(self.workers)
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for i, _ in enumerate(tqdm(pool.imap_unordered(self.encode, commands), total=len(files), leave=False), 1):
|
|
pass
|
|
|
|
self.concatenate_video(self.args.file_path)
|
|
|
|
# Delete temp folders
|
|
rmtree(join(self.here, ".temp"))
|
|
|
|
if self.mode == 1:
|
|
self.image(self.args.file_path)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
# Windows fix for multiprocessing
|
|
multiprocessing.freeze_support()
|
|
|
|
# Main thread
|
|
av1an = Av1an()
|
|
av1an.main()
|
|
|
|
# Prevent linux terminal from hanging
|
|
if sys.platform == 'linux':
|
|
os.popen('stty sane', 'r')
|