90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
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#! /usr/bin/python3
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import os
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import threading
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import subprocess
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import glob
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import os
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import json
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import io
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import shutil
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import time
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import re
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class Encoder(threading.Thread):
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def __init__(self, directory=None, **kwargs):
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self.status = {}
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self.directory = directory
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for d in ("audio", "video"):
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os.makedirs(os.path.join(directory, d), exist_ok=True)
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return super().__init__(**kwargs)
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def run(self):
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while True:
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wait = True
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self.status = {"type": "encoder", "state": "idle"}
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for mtype in ("audio", "video"):
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for fn in glob.glob(os.path.join(self.directory, mtype, "*", "sucker.json")):
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fdir = os.path.dirname(fn)
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with open(fn) as f:
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obj = json.load(f)
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self.encode(mtype, fdir, obj)
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wait = False
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if wait:
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time.sleep(12)
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def encode(self, mtype, fdir, obj):
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if mtype == "audio":
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self.encode_audio(fdir, obj)
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else:
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self.encode_video(fdir, obj)
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shutil.rmtree(fdir)
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def encode_audio(self, fdir, obj):
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print("Not implemented")
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def encode_video(self, fdir, obj):
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self.status["state"] = "encoding"
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title = os.path.basename(fdir)
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self.status["title"] = title
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print("encoding", title, fdir)
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outfn = "%s.mkv" % title
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tmppath = os.path.join(fdir, outfn)
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outpath = os.path.join(self.directory, outfn)
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p = subprocess.Popen(
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[
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"HandBrakeCLI",
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"--json",
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"-i", "%s/VIDEO_TS" % fdir,
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"--main-feature",
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"--native-language", "eng",
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"-Z", "Chromecast 1080p30 Surround",
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"-o", tmppath,
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],
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encoding="utf-8",
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL,
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)
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# HandBrakeCLI spits out sort of JSON.
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# But Python has no built-in way to stream JSON objects.
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# Hence this kludge.
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progressRe = re.compile(r'^"Progress": ([0-9.]+),')
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for line in p.stdout:
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line = line.strip()
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m = progressRe.search(line)
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if m:
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progress = float(m[1])
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self.status["complete"] = progress
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os.rename(
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src=tmppath,
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dst=outpath,
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)
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pass
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# vi: sw=4 ts=4 et ai
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