75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
# License: GNU AGPL v3: http://www.gnu.org/licenses/
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# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
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"""Provide target muxing utilities."""
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import subprocess
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def mux_target(target, _progress):
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"""Multiplexes target into a single file."""
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cmd = ["ffmpeg", "-hide_banner"]
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# inputs
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cmd.extend(["-i", target.video_input.url])
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cmd.extend(["-i", target.audio_input.url])
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if target.subtitles_input:
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cmd.extend(["-i", target.subtitles_input.url])
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# codecs
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cmd.extend(["-c:v", "copy"])
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cmd.extend(["-c:a", "copy"])
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if target.subtitles_input:
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cmd.extend(["-c:s", "copy"])
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cmd.extend(["-bsf:a", "aac_adtstoasc"])
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# stream metadata & disposition
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# cmd.extend(["-metadata:s:v:0", f"name={target.video.name!r}"])
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# cmd.extend(["-metadata:s:v:0", f"language={target.video.language!r}"])
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cmd.extend(["-metadata:s:a:0", f"name={target.audio_input.track.name}"])
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cmd.extend(["-metadata:s:a:0", f"language={target.audio_input.track.language}"])
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a_disposition = "default"
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if target.audio_input.track.original:
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a_disposition += "+original"
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else:
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a_disposition += "-original"
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if target.audio_input.track.visual_impaired:
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a_disposition += "+visual_impaired"
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else:
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a_disposition += "-visual_impaired"
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cmd.extend(["-disposition:a:0", a_disposition])
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if target.subtitles_input:
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cmd.extend(["-metadata:s:s:0", f"name={target.subtitles_input.track.name}"])
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cmd.extend(
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["-metadata:s:s:0", f"language={target.subtitles_input.track.language}"]
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)
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s_disposition = "default"
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if target.subtitles_input.track.hearing_impaired:
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s_disposition += "+hearing_impaired+descriptions"
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else:
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s_disposition += "-hearing_impaired-descriptions"
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cmd.extend(["-disposition:s:0", s_disposition])
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# file metadata
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if isinstance(target.title, tuple):
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cmd.extend(["-metadata", f"title={target.title[0]}"])
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cmd.extend(["-metadata", f"subtitle={target.title[1]}"])
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else:
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cmd.extend(["-metadata", f"title={target.title}"])
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# output
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cmd.append(f"{target.output}.mkv")
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print(cmd)
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subprocess.run(cmd)
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