mirror of
https://github.com/master-of-zen/Av1an.git
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63 lines
2.2 KiB
Python
Executable file
63 lines
2.2 KiB
Python
Executable file
#!/bin/env python
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import subprocess
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from pathlib import Path
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from subprocess import PIPE, STDOUT
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from .logger import log
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def concatenate_video(temp, output, encoder):
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"""With FFMPEG concatenate encoded segments into final file."""
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log('Concatenating\n')
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with open(f'{temp / "concat" }', 'w') as f:
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encode_files = sorted((temp / 'encode').iterdir())
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# Replace all the ' with '/'' so ffmpeg can read the path correctly
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f.writelines("file '" + str(file.absolute()).replace('\'','\'\\\'\'') + "'\n" for file in encode_files)
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# Add the audio file if one was extracted from the input
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audio_file = temp / "audio.mkv"
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if audio_file.exists():
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audio = f'-i {audio_file} -c:a copy -map 1'
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else:
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audio = ''
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if encoder == 'x265':
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cmd = f' ffmpeg -y -fflags +genpts -hide_banner -loglevel error -f concat -safe 0 -i {temp / "concat"} ' \
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f'{audio} -c copy -movflags frag_keyframe+empty_moov -map 0 -f mp4 - | ffmpeg -y -hide_banner -loglevel error -i - -c copy {output} '
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concat = subprocess.run(cmd, shell=True, stdout=PIPE, stderr=STDOUT).stdout
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else:
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cmd = f' ffmpeg -y -hide_banner -loglevel error -f concat -safe 0 -i {temp / "concat"} ' \
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f'{audio} -c copy -map 0 -y "{output}"'
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concat = subprocess.run(cmd, shell=True, stdout=PIPE, stderr=STDOUT).stdout
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if len(concat) > 0:
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log(concat.decode())
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print(concat.decode())
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raise Exception
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def extract_audio(input_vid: Path, temp, audio_params):
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"""Extracting audio from source, transcoding if needed."""
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log(f'Audio processing\nParams: {audio_params}\n')
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audio_file = temp / 'audio.mkv'
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# Checking is source have audio track
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check = fr' ffmpeg -y -hide_banner -loglevel error -ss 0 -i "{input_vid}" -t 0 -vn -c:a copy -f null -'
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is_audio_here = len(subprocess.run(check, shell=True, stdout=PIPE, stderr=STDOUT).stdout) == 0
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# If source have audio track - process it
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if is_audio_here:
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cmd = f'ffmpeg -y -hide_banner -loglevel error -i "{input_vid}" -vn ' \
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f'{audio_params} {audio_file}'
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subprocess.run(cmd, shell=True)
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