108 lines
2.9 KiB
Python
108 lines
2.9 KiB
Python
import json
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import os
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import subprocess as SP
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import sys
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import shutil
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def get_streams(path):
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proc = SP.Popen(
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[
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"ffprobe",
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"-probesize",
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str(0x7FFFFFFF),
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"-analyzeduration",
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str(0x7FFFFFFF),
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"-v",
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"fatal",
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"-i",
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path,
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"-show_streams",
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"-show_format",
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"-print_format",
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"json",
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],
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stdout=SP.PIPE,
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stdin=SP.DEVNULL,
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bufsize=0,
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)
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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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def ccextract(files):
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ccextractor = shutil.which("ccextractor") or shutil.which("ccextractorwinfull")
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if ccextractor is None and os.name=="nt":
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ccextractor=os.path.expandvars(os.path.join("${PROGRAMFILES(X86)}","CCExtractor","ccextractorwinfull.exe"))
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if not os.path.isfile(ccextractor):
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print("WARNING: CCExtractor not found")
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return []
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new_files=[]
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for file in files:
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outfile=os.path.splitext(file)[0]
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outfile=os.path.extsep.join([outfile, "cc.srt"])
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ret=SP.call([ccextractor, "-sc", "-sbs", "-autodash", "-trim","-nobom","-o", outfile, file])
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if ret==10:
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if os.path.isfile(outfile):
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os.unlink(outfile)
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continue
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new_files.append(outfile)
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return new_files
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types = {"mpeg2video": "m2v", "ac3": "ac3", "dvd_subtitle": "sub.mkv", "eia_608": "srt"}
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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, _ = get_streams(path)
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cmd = [
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"ffmpeg",
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"-y",
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"-probesize",
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str(0x7FFFFFFF),
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"-analyzeduration",
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str(0x7FFFFFFF),
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"-i",
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path,
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"-strict",
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"-2",
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]
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caption_files = []
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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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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}_{hex_id}")
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if codec == "dvd_nav_packet":
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continue
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outfile = os.path.extsep.join([outfile, ext])
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print(hex_id, codec_name, codec)
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if codec == "mpeg2video":
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caption_files.append(outfile)
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cmd += [
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"-map",
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f"0:#{hex_id}",
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"-vcodec",
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"copy",
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"-acodec",
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"copy",
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"-scodec",
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"copy",
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"-strict",
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"-2",
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outfile,
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]
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SP.check_call(cmd)
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ccextract(caption_files)
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for file in os.listdir(folder):
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if os.path.isfile(file):
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if os.stat(file).st_size==0:
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os.unlink(file)
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if __name__ == "__main__":
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demux(sys.argv[1])
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