mirror of
https://github.com/master-of-zen/Av1an.git
synced 2024-11-25 02:29:40 +00:00
96 lines
No EOL
2.8 KiB
Python
96 lines
No EOL
2.8 KiB
Python
#!/usr/bin/python3
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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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make passing your arguments for encoding,
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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 subprocess
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from multiprocessing import Pool
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try:
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import scenedetect
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except:
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print('ERROR: No PyScenedetect installed, try: sudo pip install scenedetect')
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def get_cpu_count():
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return os.cpu_count()
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def get_ram():
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return round((os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')) / (1024. ** 3), 3)
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def extract_audio(input_vid):
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cmd = f'ffmpeg -i {os.getcwd()}/{input_vid} -vn -acodec copy {os.getcwd()}/temp/audio.aac'
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def split_video(input_vid):
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cmd2 = f'scenedetect -i {input_vid} --output temp/split detect-content split-video -c'
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subprocess.call(cmd2, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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def get_video_queue(source_path):
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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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return videos
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def encode(commands):
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cmd = f'ffmpeg {commands}'
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subprocess.Popen(cmd, shell=True).wait()
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def concat():
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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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with open(f'{os.getcwd()}/temp/concat.txt', 'w') as f:
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for root, firs, files in os.walk(f'{os.getcwd()}/temp/encode'):
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for file in sorted(files):
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f.write(f"file '{os.path.join(root, file)}'\n")
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cmd = f'ffmpeg -f concat -safe 0 -i {os.getcwd()}/temp/concat.txt -c copy output.mp4'
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subprocess.Popen(cmd, shell=True).wait()
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def main(input_video):
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# Make temporal directories
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os.makedirs(f'{os.getcwd()}/temp/split', exist_ok=True)
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os.makedirs(f'{os.getcwd()}/temp/encode', exist_ok=True)
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# Passing encoding parameters
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# no audio av1 codec adding tiles speed quality
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encoding_params = ' -an -c:v libaom-av1 -strict -2 -row-mt 1 -tiles 2x2 -cpu-used 8 -crf 60 '
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# Spliting video and sorting big-first
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split_video(input_video)
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vid_queue = get_video_queue('temp')
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files = [i[0] for i in vid_queue[:-1]]
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# Making list of commands for encoding
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commands = [f'-i {os.getcwd()}/temp/split/{file} {encoding_params} {os.getcwd()}/temp/encode/{file}' for file in files]
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# Creating threading pool to encode fixed amount of files at the same time
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pool = Pool(8)
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pool.map(encode, commands)
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# Merging all encoded videos to 1
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concat()
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if __name__ == '__main__':
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main('bruh.mp4') |