mirror of
https://github.com/master-of-zen/Av1an.git
synced 2024-11-25 02:29:40 +00:00
277 lines
8.4 KiB
Python
Executable file
277 lines
8.4 KiB
Python
Executable file
#!/usr/bin/env python
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"""
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mkvmerge required (python-pymkv)
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ffmpeg required
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TODO:
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DONE make encoding queue with limiting by workers
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DONE make concatenating videos after encoding
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DONE make passing your arguments for encoding,
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2-pass encode by default for better quality
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make separate audio and encode it separately,
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"""
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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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from subprocess import Popen, call
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import argparse
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import time
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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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try:
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import scenedetect
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except ImportError:
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print('ERROR: No PyScenedetect installed, try: sudo pip install scenedetect')
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FFMPEG = 'ffmpeg -hide_banner -loglevel error '
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class ProgressBar:
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"""
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Progress Bar for tracking encoding progress
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"""
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def __init__(self, tasks):
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self.iteration: int = 0
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self.tasks = tasks
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# Print on 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.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.iteration / self.tasks), 1)
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fill_size = int(bar_length * self.iteration // self.tasks)
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end = f'{percent}% {self.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.iteration += 1
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self.print()
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def arg_parsing():
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"""
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Command line parser
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Have default params
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"""
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default_encode_aomenc = '--cpu-used=6 --end-usage=q --cq-level=40'
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default_audio = '-c:a copy'
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parser = argparse.ArgumentParser()
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parser.add_argument('--encoding_params', '-e', type=str, default=default_encode_aomenc, 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='aomenc', help='Choosing encoder')
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parser.add_argument('--workers', '-t', type=int, default=determine_resources(), help='Number of workers')
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parser.add_argument('--audio_params', '-a', type=str, default=default_audio, help='ffmpeg audio encode settings')
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args = parser.parse_args()
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return args
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def determine_resources():
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"""
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Returns number of workers that machine can handle
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:return: int
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"""
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cpu = os.cpu_count()
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ram = round(virtual_memory().total / 2**30)
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return ceil(min(cpu, ram/1.5))
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def setup(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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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(os.getcwd(), ".temp"))
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os.makedirs(join(os.getcwd(), '.temp', 'split'))
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os.makedirs(join(os.getcwd(), '.temp', 'encode'))
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def extract_audio(input_vid, audio_params):
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"""
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Extracting audio from video file
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Encoding audio if needed
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"""
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cmd = f'{FFMPEG} -i {join(os.getcwd(),input_vid)} -vn {audio_params} {join(os.getcwd(),".temp","audio.mkv")}'
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Popen(cmd, shell=True).wait()
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def split_video(input_vid):
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"""
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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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"""
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cmd2 = f'scenedetect -q -i {input_vid} --output .temp/split detect-content --threshold 20 split-video -c'
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call(cmd2, shell=True)
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print(f'\rVideo {input_vid} splitted')
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def get_video_queue(source_path):
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"""
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Returns sorted list of all videos that need to be encoded. Big first
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"""
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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 = sorted(videos, key=lambda x: -x[1])
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print(f'Splited videos: {len(videos)}')
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return videos
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def encode(commands):
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"""
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Passing encoding params to ffmpeg for encoding
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TODO:
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Replace ffmpeg with aomenc because ffmpeg libaom doen't work with parameters properly
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"""
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for i in commands[:-1]:
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cmd = f'{FFMPEG} -an {i}'
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Popen(cmd, shell=True).wait()
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def concatenate_video(input_video):
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"""
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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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"""
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here = os.getcwd()
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with open(f'{join(here, ".temp", "concat.txt")}', 'w') as f:
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for root, firs, files in os.walk(join(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(here, ".temp", "concat.txt")
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'''
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# original video don't have audio
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if os.path.isfile(join(here, 'temp', 'audio.mkv')):
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print('Audio here')
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else:
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print('No audio')
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audio = ''
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'''
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audio = f'-i {join(here, ".temp", "audio.mkv")}'
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output = f'{input_video.split(".")[0]}_av1.mkv'
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cmd = f'{FFMPEG} -f concat -safe 0 -i {concat} {audio} -c copy -y {output}'
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Popen(cmd, shell=True).wait()
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def compose_encoding_queue(encoding_params, files, encoder):
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"""
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Composing encoding commands
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Examples:
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1_pass Aomenc:
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ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
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aomenc -q --passes=1 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 -o output_file
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2_pass Aomenc:
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ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
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aomenc -q --passes=2 --pass=1 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 --log_file -o /dev/null -
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ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
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aomenc -q --passes=2 --pass=2 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 --log_file -o output_file -
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rav1e:
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ffmpeg -i bruh.mp4 -pix_fmt yuv420p -f yuv4mpegpipe - |
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rav1e - --speed=5 --tile-rows 2 --tile-cols 2 --output output.ivf
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"""
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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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ffmpeg_pipe = '-pix_fmt yuv420p -f yuv4mpegpipe - |'
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if encoder == 'aomenc':
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single_pass = 'aomenc -q --passes=1 '
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two_pass_1_aom = '--passes=2 --pass=1'
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two_pass_2_aom = '--passes=2 --pass=2'
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pass_1_commands = [
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(f'-i {file[0]} {ffmpeg_pipe}' +
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f' {single_pass} {encoding_params} -o {file[1]} -', file[2])
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for file in file_paths]
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pass_2_commands = [
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(f'-i {file[0]} {ffmpeg_pipe}' +
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f' aomenc -q {two_pass_1_aom} {encoding_params} --fpf={file[0]}.log -o /dev/null -',
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f'-i {file[0]} {ffmpeg_pipe}' +
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f' aomenc -q {two_pass_2_aom} {encoding_params} --fpf={file[0]}.log -o {file[1]} -'
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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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if encoder == 'rav1e':
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pass_1_commands = [(f'-i {file[0]} {ffmpeg_pipe}' +
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f' rav1e - {encoding_params} --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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def main(arg):
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# Check validity of request and create temp folders/files
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setup(arg.file_path)
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# Extracting audio
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extract_audio(arg.file_path, arg.audio_params)
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# Splitting video and sorting big-first
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split_video(arg.file_path)
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vid_queue = get_video_queue('.temp/split')
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files = [i[0] for i in vid_queue[:-1]]
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# Make encode queue
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commands = compose_encoding_queue(arg.encoding_params, files, arg.encoder)
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# Creating threading pool to encode bunch of files at the same time
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print(f'Starting encoding with {arg.workers} workers. \nParameters:{arg.encoding_params}\nEncoding..')
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# Progress Bar
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bar = ProgressBar(len(vid_queue))
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# async_encode(commands, num_worker)
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pool = Pool(arg.workers)
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for i, _ in enumerate(pool.imap_unordered(encode, commands), 1):
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bar.tick()
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bar.tick()
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# Merging all encoded videos to 1
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concatenate_video(arg.file_path)
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if __name__ == '__main__':
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# Main thread
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start = time.time()
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main(arg_parsing())
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print(f'\n Completed in {round(time.time()-start, 1)} seconds')
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# Delete temp folders
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rmtree(join(os.getcwd(), ".temp"))
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# To prevent console from hanging
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os.popen('stty sane', 'r')
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