63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
import sys
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import os
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import json
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import subprocess as SP
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def get_streams(path):
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proc=SP.Popen([
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"ffprobe",
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"-probesize", str(0x7fffffff),
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"-analyzeduration", str(0x7fffffff),
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"-v","fatal",
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"-i",path,
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"-show_streams",
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"-show_format",
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"-print_format","json"
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],stdout=SP.PIPE,stdin=SP.DEVNULL,bufsize=0)
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data=json.load(proc.stdout)
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ret=proc.wait()
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if ret!=0:
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return [],{}
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return data['streams'],data['format']
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types={
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'mpeg2video': 'm2v',
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'ac3': 'ac3',
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'dvd_subtitle': 'sup',
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}
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def demux(path):
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folder=os.path.dirname(path)
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basename=os.path.splitext(os.path.basename(path))[0]
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streams,fmt=get_streams(path)
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cmd=[
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"ffmpeg",
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"-y",
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"-strict","-2",
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"-fflags","+genpts",
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"-probesize", str(0x7fffffff),
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"-analyzeduration", str(0x7fffffff),
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"-i",path,
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"-scodec","copy",
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"-vcodec","copy",
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"-acodec","copy",
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]
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need_ffmpeg=False
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for stream in streams:
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codec=stream['codec_name']
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ext=types.get(codec,codec)
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idx=stream['index']
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hex_id=stream['id']
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codec_name=stream['codec_long_name']
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outfile=os.path.join(folder,f"{basename}_{idx}_{hex_id}")
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if codec=="dvd_subtitle":
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SP.check_call([
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"mencoder",path,"-vobsuboutindex",str(idx),"-vobsubout", outfile,"-nosound","-ovc", "copy", "-o",os.devnull
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])
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continue
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print(idx,hex_id,codec_name,codec)
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cmd+=["-map",f"0:#{hex_id}",outfile+f".{ext}"]
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need_ffmpeg=True
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if need_ffmpeg:
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SP.check_call(cmd) |