Av1an/av1an.py
2020-01-21 19:27:33 +02:00

390 lines
14 KiB
Python
Executable file

#!/usr/bin/env python
# Todo:
# Fix Windows log not working
# Add Avif support
# Add FFmpeg filter option
import sys
import os
import shutil
from os.path import join
from psutil import virtual_memory
import argparse
import time
from shutil import rmtree
from math import ceil
from multiprocessing import Pool
try:
import scenedetect
except ImportError:
print('ERROR: No PyScenedetect installed, try: sudo pip install scenedetect')
class ProgressBar:
# Progress Bar for tracking encoding progress
def __init__(self, tasks):
self.bar_iteration: int = 0
self.tasks = tasks
# Print empty bar on initialization
self.print()
def print(self):
terminal_size, _ = shutil.get_terminal_size((80, 20))
bar_length = terminal_size - (2 * len(str(self.tasks))) - 13
if self.bar_iteration == 0:
percent = 0
fill_size = 0
else:
percent = round(100 * (self.bar_iteration / self.tasks), 1)
fill_size = int(bar_length * self.bar_iteration // self.tasks)
end = f'{percent}% {self.bar_iteration}/{self.tasks}'
in_bar = ('' * fill_size) + '-' * (bar_length - fill_size)
print(f'\r|{in_bar}| {end} ', end='')
def tick(self):
self.bar_iteration += 1
self.print()
class Av1an:
def __init__(self):
self.here = os.getcwd()
self.FFMPEG = 'ffmpeg -hide_banner -loglevel error'
self.threshold = 30
self.encode_pass = 2
self.workers = 0
self.encoder = 'aomenc'
self.args = None
self.audio = ''
self.logging = None
self.encoding_params = ''
self.output_file = ''
self.force_fps = None
self.ffmpeg_pipe = None
self.video_filter = ''
# OS specific NULL pointer
if sys.platform == 'linux':
self.null = '&> /dev/null'
self.point = '&>'
else:
self.point = '>'
self.null = '> NUL'
def arg_parsing(self):
# Command line parser
# Have default params
parser = argparse.ArgumentParser()
parser.add_argument('--encoding_params', '-e', type=str, default=self.encoding_params, help='encoding settings')
parser.add_argument('--file_path', '-i', type=str, default='bruh.mp4', help='Input File', required=True)
parser.add_argument('--encoder', '-enc', type=str, default=self.encoder, help='Choosing encoder')
parser.add_argument('--workers', '-t', type=int, default=0, help='Number of workers')
parser.add_argument('--audio_params', '-a', type=str, default=self.audio, help='FFmpeg audio settings')
parser.add_argument('--threshold', '-tr', type=int, default=self.threshold, help='PySceneDetect Threshold')
parser.add_argument('--logging', '-log', type=str, default=self.logging, help='Enable logging')
parser.add_argument('--encode_pass', '-p', type=int, default=self.encode_pass, help='Specify encoding passes')
parser.add_argument('--output_file', '-o', type=str, default='', help='Specify output file')
parser.add_argument('--force_fps', '-fps', type=int, default=0, help='Force fps of output file')
parser.add_argument('--video_filter', '-vf', type=str, default=self.video_filter, help='FFmpeg video options')
# Pass command line args that were passed
self.args = parser.parse_args()
self.encode_pass = self.args.encode_pass
if self.args.video_filter != self.video_filter:
self.video_filter = f' -vf {self.args.video_filter} '
if self.args.force_fps == 0:
self.force_fps = ''
else:
self.force_fps = f' -r {self.args.force_fps}'
self.ffmpeg_pipe = f' {self.video_filter} {self.force_fps} -pix_fmt yuv420p -f yuv4mpegpipe - |'
# Setting logging depending on OS
if self.logging != self.args.logging:
if sys.platform == 'linux':
self.logging = f'&>> {self.args.logging}.log'
os.system(f'echo " Av1an Logging "> {self.args.logging}.log')
else:
self.logging = self.null
def determine_resources(self):
# Returns number of workers that machine can handle with selected encoder
self.encoder = self.args.encoder.strip()
cpu = os.cpu_count()
ram = round(virtual_memory().total / 2 ** 30)
if self.args.workers != 0:
self.workers = self.args.workers
elif self.encoder == 'aomenc':
self.workers = ceil(min(cpu, ram/1.5))
elif self.encoder == 'rav1e':
self.workers = ceil(min(cpu, ram/1.2)) // 3
elif self.encoder == 'svt_av1':
self.workers = ceil(min(cpu, ram)) // 5
else:
print('Error: no valid encoder')
exit()
def setup(self, input_file):
if not os.path.exists(input_file):
print("File don't exist")
exit()
# Make temporal directories, and remove them if already presented
if os.path.isdir(join(os.getcwd(), ".temp")):
rmtree(join(self.here, ".temp"))
os.makedirs(join(self.here, '.temp', 'split'))
os.makedirs(join(self.here, '.temp', 'encode'))
def extract_audio(self, input_vid):
# Extracting audio from video file
# Encoding audio if needed
default_audio_params = '-c:a copy'
ffprobe = 'ffprobe -hide_banner -loglevel error -show_streams -select_streams a'
# Generate file with audio check
check = fr'{ffprobe} -i {join(self.here,input_vid)} {self.point} {join(self.here,".temp","audio_check.txt")}'
os.system(check)
is_audio_here = os.path.getsize(join(self.here, ".temp", "audio_check.txt"))
if is_audio_here > 0 and self.args.audio_params == '':
cmd = f'{self.FFMPEG} -i {join(self.here, input_vid)} ' \
f'-vn {default_audio_params} {join(os.getcwd(), ".temp", "audio.mkv")} {self.logging}'
os.system(cmd)
self.audio = f'-i {join(self.here, ".temp", "audio.mkv")} {default_audio_params}'
elif is_audio_here > 0 and len(self.args.audio_params) > 1:
cmd = f'{self.FFMPEG} -i {join(self.here, input_vid)} -vn ' \
f'{self.args.audio_params} {join(os.getcwd(), ".temp", "audio.mkv")} {self.logging}'
os.system(cmd)
self.audio = f'-i {join(self.here, ".temp", "audio.mkv")} {default_audio_params}'
else:
self.audio = ''
def split_video(self, input_vid):
# PySceneDetect used split video by scenes and pass it to encoder
# Optimal threshold settings 15-50
cmd2 = f'scenedetect -i {input_vid} --output .temp/split detect-content ' \
f'--threshold {self.threshold} list-scenes split-video -c {self.logging}'
os.system(cmd2)
print(f'\rVideo {input_vid} splitted')
def get_video_queue(self, source_path):
# Returns sorted list of all videos that need to be encoded. Big first
videos = []
for root, dirs, files in os.walk(source_path):
for file in files:
f = os.path.getsize(os.path.join(root, file))
videos.append([file, f])
videos = sorted(videos, key=lambda x: -x[1])
videos = [i[0] for i in videos[:-1]]
print(f'Splited videos: {len(videos)}')
return videos
def svt_av1_encode(self, file_paths):
# SvtAv1EncApp -i input.yuv -w 1920 -h 1080 -fps 24 -rc 2 -tbr 10000 -enc-mode 5 -b output.ivf
if self.args.encoding_params == '':
print('-w -h -fps is required parameters for svt_av1 encoder')
exit()
else:
self.encoding_params = self.args.encoding_params
single_pass = 'SvtAv1EncApp '
pass_1_commands = [
(f'-i {file[0]} {self.ffmpeg_pipe} ' +
f' {single_pass} -i stdin {self.encoding_params} -b {file[1]} - {self.logging}', file[2])
for file in file_paths]
return pass_1_commands
def aomenc_encode(self, file_paths):
# 1_pass Aomenc:
# ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
# aomenc -q --passes=1 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 -o output
# 2_pass Aomenc:
# ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
# aomenc -q --passes=2 --pass=1 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 --log_file -o /dev/null -
# ffmpeg -i input_file -pix_fmt yuv420p -f yuv4mpegpipe - |
# aomenc -q --passes=2 --pass=2 --cpu-used=8 --end-usage=q --cq-level=63 --aq-mode=0 --log_file -o output -
if self.args.encoding_params == '':
self.encoding_params = '--cpu-used=6 --end-usage=q --cq-level=40'
else:
self.encoding_params = self.args.encoding_params
single_pass = 'aomenc -q --passes=1 '
two_pass_1_aom = 'aomenc -q --passes=2 --pass=1'
two_pass_2_aom = 'aomenc -q --passes=2 --pass=2'
if self.encode_pass == 1:
pass_1_commands = [
(f'-i {file[0]} {self.ffmpeg_pipe} ' +
f' {single_pass} {self.encoding_params} -o {file[1]} - {self.logging}', file[2])
for file in file_paths]
return pass_1_commands
if self.encode_pass == 2:
pass_2_commands = [
(f'-i {file[0]} {self.ffmpeg_pipe}' +
f' {two_pass_1_aom} {self.encoding_params} --fpf={file[0]}.log -o /dev/null - {self.logging}',
f'-i {file[0]} {self.ffmpeg_pipe}' +
f' {two_pass_2_aom} {self.encoding_params} --fpf={file[0]}.log -o {file[1]} - {self.logging}',
file[2])
for file in file_paths]
return pass_2_commands
def rav1e_encode(self, file_paths):
# rav1e Single Pass:
# ffmpeg - i bruh.mp4 - pix_fmt yuv420p - f yuv4mpegpipe - |
# rav1e - --speed= 5 --tile-rows 2 --tile-cols 2 - -output output.ivf
if self.args.encoding_params == '':
self.encoding_params = '--speed=5 --tile-rows 2 --tile-cols 2'
else:
self.encoding_params = self.args.encoding_params
pass_1_commands = [(f'-i {file[0]} {self.ffmpeg_pipe} ' +
f' rav1e - {self.encoding_params} '
f'--output {file[1]}.ivf', f'{file[2]}.ivf {self.logging}')
for file in file_paths]
return pass_1_commands
def compose_encoding_queue(self, files):
file_paths = [(f'{join(os.getcwd(), ".temp", "split", file_name)}',
f'{join(os.getcwd(), ".temp", "encode", file_name)}',
file_name) for file_name in files]
if self.encoder == 'aomenc':
return self.aomenc_encode(file_paths)
elif self.encoder == 'rav1e':
return self.rav1e_encode(file_paths)
elif self.encoder == 'svt_av1':
return self.svt_av1_encode(file_paths)
else:
print(self.encoder)
print(f'No valid encoder : "{self.encoder}"')
exit()
def encode(self, commands):
# Passing encoding params to ffmpeg for encoding
# Replace ffmpeg with aomenc because ffmpeg libaom doesn't work with parameters properly
for i in commands[:-1]:
cmd = rf'{self.FFMPEG} -an {i} {self.logging}'
os.system(cmd)
def concatenate_video(self, input_video):
# Using FFMPEG to concatenate all encoded videos to 1 file.
# Reading all files in A-Z order and saving it to concat.txt
with open(f'{join(self.here, ".temp", "concat.txt")}', 'w') as f:
for root, firs, files in os.walk(join(self.here, '.temp', 'encode')):
for file in sorted(files):
f.write(f"file '{join(root, file)}'\n")
concat = join(self.here, ".temp", "concat.txt")
is_audio_here = os.path.getsize(join(self.here, ".temp", "audio_check.txt"))
if is_audio_here:
self.audio = f'-i {join(self.here, ".temp", "audio.mkv")} -c copy'
if self.output_file == self.args.output_file:
self.output_file = f'{input_video.split(".")[0]}_av1.mkv'
else:
self.output_file = f'{join(self.here, self.args.output_file)}.mkv'
cmd = f'{self.FFMPEG} -f concat -safe 0 -i {concat} {self.audio} -y {self.output_file} {self.logging}'
os.system(cmd)
def main(self):
# Parse initial arguments
self.arg_parsing()
# Check validity of request and create temp folders/files
self.setup(self.args.file_path)
# Extracting audio
self.extract_audio(self.args.file_path)
# Splitting video and sorting big-first
self.split_video(self.args.file_path)
files = self.get_video_queue('.temp/split')
# Determine resources
self.determine_resources()
# Make encode queue
commands = self.compose_encoding_queue(files)
# Creating threading pool to encode bunch of files at the same time
print(f'Starting encoding with {self.workers} workers. \nParameters: {self.encoding_params}\nEncoding..')
# Progress bar
bar = ProgressBar(len(files))
pool = Pool(self.workers)
for i, _ in enumerate(pool.imap_unordered(self.encode, commands), 1):
bar.tick()
self.concatenate_video(self.args.file_path)
if __name__ == '__main__':
# Main thread
start = time.time()
av1an = Av1an()
av1an.main()
print(f'\n Completed in {round(time.time()-start, 1)} seconds')
# Delete temp folders
rmtree(join(os.getcwd(), ".temp"))
# Prevent linux terminal from hanging
if sys.platform == 'linux':
os.popen('stty sane', 'r')