mirror of
https://github.com/9001/copyparty.git
synced 2025-08-18 09:22:31 -06:00
691 lines
21 KiB
Python
691 lines
21 KiB
Python
# coding: utf-8
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from __future__ import print_function, unicode_literals
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import base64
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import hashlib
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import logging
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import os
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import shutil
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import subprocess as sp
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import threading
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import time
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from queue import Queue
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from .__init__ import TYPE_CHECKING
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from .bos import bos
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from .mtag import HAVE_FFMPEG, HAVE_FFPROBE, ffprobe
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from .util import (
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BytesIO,
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Cooldown,
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Daemon,
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Pebkac,
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fsenc,
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min_ex,
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runcmd,
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statdir,
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vsplit,
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)
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if True: # pylint: disable=using-constant-test
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from typing import Optional, Union
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if TYPE_CHECKING:
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from .svchub import SvcHub
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HAVE_PIL = False
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HAVE_HEIF = False
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HAVE_AVIF = False
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HAVE_WEBP = False
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try:
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from PIL import ExifTags, Image, ImageOps
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HAVE_PIL = True
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try:
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Image.new("RGB", (2, 2)).save(BytesIO(), format="webp")
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HAVE_WEBP = True
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except:
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pass
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try:
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from pyheif_pillow_opener import register_heif_opener
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register_heif_opener()
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HAVE_HEIF = True
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except:
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pass
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try:
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import pillow_avif # noqa: F401 # pylint: disable=unused-import
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HAVE_AVIF = True
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except:
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pass
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logging.getLogger("PIL").setLevel(logging.WARNING)
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except:
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pass
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try:
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HAVE_VIPS = True
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import pyvips
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logging.getLogger("pyvips").setLevel(logging.WARNING)
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except:
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HAVE_VIPS = False
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def thumb_path(histpath: str, rem: str, mtime: float, fmt: str) -> str:
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# base16 = 16 = 256
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# b64-lc = 38 = 1444
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# base64 = 64 = 4096
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rd, fn = vsplit(rem)
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if rd:
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h = hashlib.sha512(fsenc(rd)).digest()
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b64 = base64.urlsafe_b64encode(h).decode("ascii")[:24]
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rd = "{}/{}/".format(b64[:2], b64[2:4]).lower() + b64
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else:
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rd = "top"
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# could keep original filenames but this is safer re pathlen
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h = hashlib.sha512(fsenc(fn)).digest()
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fn = base64.urlsafe_b64encode(h).decode("ascii")[:24]
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if fmt in ("opus", "caf"):
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cat = "ac"
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else:
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fmt = "webp" if fmt == "w" else "png" if fmt == "p" else "jpg"
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cat = "th"
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return "{}/{}/{}/{}.{:x}.{}".format(histpath, cat, rd, fn, int(mtime), fmt)
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class ThumbSrv(object):
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def __init__(self, hub: "SvcHub") -> None:
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self.hub = hub
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self.asrv = hub.asrv
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self.args = hub.args
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self.log_func = hub.log
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res = hub.args.th_size.split("x")
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self.res = tuple([int(x) for x in res])
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self.poke_cd = Cooldown(self.args.th_poke)
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self.mutex = threading.Lock()
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self.busy: dict[str, list[threading.Condition]] = {}
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self.stopping = False
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self.nthr = max(1, self.args.th_mt)
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self.q: Queue[Optional[tuple[str, str]]] = Queue(self.nthr * 4)
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for n in range(self.nthr):
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Daemon(self.worker, "thumb-{}-{}".format(n, self.nthr))
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want_ff = not self.args.no_vthumb or not self.args.no_athumb
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if want_ff and (not HAVE_FFMPEG or not HAVE_FFPROBE):
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missing = []
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if not HAVE_FFMPEG:
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missing.append("FFmpeg")
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if not HAVE_FFPROBE:
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missing.append("FFprobe")
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msg = "cannot create audio/video thumbnails because some of the required programs are not available: "
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msg += ", ".join(missing)
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self.log(msg, c=3)
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if self.args.th_clean:
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Daemon(self.cleaner, "thumb.cln")
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self.fmt_pil, self.fmt_vips, self.fmt_ffi, self.fmt_ffv, self.fmt_ffa = [
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set(y.split(","))
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for y in [
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self.args.th_r_pil,
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self.args.th_r_vips,
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self.args.th_r_ffi,
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self.args.th_r_ffv,
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self.args.th_r_ffa,
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]
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]
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if not HAVE_HEIF:
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for f in "heif heifs heic heics".split(" "):
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self.fmt_pil.discard(f)
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if not HAVE_AVIF:
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for f in "avif avifs".split(" "):
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self.fmt_pil.discard(f)
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self.thumbable: set[str] = set()
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if "pil" in self.args.th_dec:
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self.thumbable |= self.fmt_pil
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if "vips" in self.args.th_dec:
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self.thumbable |= self.fmt_vips
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if "ff" in self.args.th_dec:
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for zss in [self.fmt_ffi, self.fmt_ffv, self.fmt_ffa]:
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self.thumbable |= zss
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def log(self, msg: str, c: Union[int, str] = 0) -> None:
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self.log_func("thumb", msg, c)
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def shutdown(self) -> None:
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self.stopping = True
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for _ in range(self.nthr):
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self.q.put(None)
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def stopped(self) -> bool:
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with self.mutex:
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return not self.nthr
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def get(self, ptop: str, rem: str, mtime: float, fmt: str) -> Optional[str]:
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histpath = self.asrv.vfs.histtab.get(ptop)
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if not histpath:
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self.log("no histpath for [{}]".format(ptop))
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return None
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tpath = thumb_path(histpath, rem, mtime, fmt)
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abspath = os.path.join(ptop, rem)
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cond = threading.Condition(self.mutex)
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do_conv = False
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with self.mutex:
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try:
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self.busy[tpath].append(cond)
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self.log("wait {}".format(tpath))
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except:
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thdir = os.path.dirname(tpath)
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bos.makedirs(thdir)
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inf_path = os.path.join(thdir, "dir.txt")
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if not bos.path.exists(inf_path):
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with open(inf_path, "wb") as f:
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f.write(fsenc(os.path.dirname(abspath)))
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self.busy[tpath] = [cond]
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do_conv = True
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if do_conv:
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self.q.put((abspath, tpath))
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self.log("conv {} \033[0m{}".format(tpath, abspath), c=6)
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while not self.stopping:
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with self.mutex:
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if tpath not in self.busy:
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break
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with cond:
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cond.wait(3)
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try:
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st = bos.stat(tpath)
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if st.st_size:
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self.poke(tpath)
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return tpath
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except:
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pass
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return None
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def getcfg(self) -> dict[str, set[str]]:
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return {
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"thumbable": self.thumbable,
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"pil": self.fmt_pil,
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"vips": self.fmt_vips,
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"ffi": self.fmt_ffi,
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"ffv": self.fmt_ffv,
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"ffa": self.fmt_ffa,
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}
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def worker(self) -> None:
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while not self.stopping:
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task = self.q.get()
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if not task:
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break
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abspath, tpath = task
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ext = abspath.split(".")[-1].lower()
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png_ok = False
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funs = []
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if not bos.path.exists(tpath):
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for lib in self.args.th_dec:
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if lib == "pil" and ext in self.fmt_pil:
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funs.append(self.conv_pil)
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elif lib == "vips" and ext in self.fmt_vips:
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funs.append(self.conv_vips)
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elif lib == "ff" and ext in self.fmt_ffi or ext in self.fmt_ffv:
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funs.append(self.conv_ffmpeg)
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elif lib == "ff" and ext in self.fmt_ffa:
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if tpath.endswith(".opus") or tpath.endswith(".caf"):
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funs.append(self.conv_opus)
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elif tpath.endswith(".png"):
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funs.append(self.conv_waves)
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png_ok = True
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else:
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funs.append(self.conv_spec)
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if not png_ok and tpath.endswith(".png"):
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raise Pebkac(400, "png only allowed for waveforms")
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for fun in funs:
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try:
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fun(abspath, tpath)
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break
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except Exception as ex:
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msg = "{} could not create thumbnail of {}\n{}"
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msg = msg.format(fun.__name__, abspath, min_ex())
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c: Union[str, int] = 1 if "<Signals.SIG" in msg else "90"
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self.log(msg, c)
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if getattr(ex, "returncode", 0) != 321:
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if fun == funs[-1]:
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with open(tpath, "wb") as _:
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pass
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else:
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# ffmpeg may spawn empty files on windows
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try:
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os.unlink(tpath)
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except:
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pass
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with self.mutex:
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subs = self.busy[tpath]
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del self.busy[tpath]
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for x in subs:
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with x:
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x.notify_all()
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with self.mutex:
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self.nthr -= 1
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def fancy_pillow(self, im: "Image.Image") -> "Image.Image":
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# exif_transpose is expensive (loads full image + unconditional copy)
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r = max(*self.res) * 2
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im.thumbnail((r, r), resample=Image.LANCZOS)
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try:
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k = next(k for k, v in ExifTags.TAGS.items() if v == "Orientation")
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exif = im.getexif()
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rot = int(exif[k])
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del exif[k]
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except:
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rot = 1
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rots = {8: Image.ROTATE_90, 3: Image.ROTATE_180, 6: Image.ROTATE_270}
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if rot in rots:
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im = im.transpose(rots[rot])
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if self.args.th_no_crop:
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im.thumbnail(self.res, resample=Image.LANCZOS)
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else:
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iw, ih = im.size
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dw, dh = self.res
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res = (min(iw, dw), min(ih, dh))
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im = ImageOps.fit(im, res, method=Image.LANCZOS)
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return im
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def conv_pil(self, abspath: str, tpath: str) -> None:
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with Image.open(fsenc(abspath)) as im:
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try:
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im = self.fancy_pillow(im)
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except Exception as ex:
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self.log("fancy_pillow {}".format(ex), "90")
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im.thumbnail(self.res)
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fmts = ["RGB", "L"]
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args = {"quality": 40}
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if tpath.endswith(".webp"):
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# quality 80 = pillow-default
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# quality 75 = ffmpeg-default
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# method 0 = pillow-default, fast
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# method 4 = ffmpeg-default
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# method 6 = max, slow
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fmts += ["RGBA", "LA"]
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args["method"] = 6
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else:
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# default q = 75
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args["progressive"] = True
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if im.mode not in fmts:
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# print("conv {}".format(im.mode))
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im = im.convert("RGB")
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im.save(tpath, **args)
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def conv_vips(self, abspath: str, tpath: str) -> None:
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crops = ["centre", "none"]
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if self.args.th_no_crop:
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crops = ["none"]
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w, h = self.res
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kw = {"height": h, "size": "down", "intent": "relative"}
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for c in crops:
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try:
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kw["crop"] = c
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img = pyvips.Image.thumbnail(abspath, w, **kw)
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break
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except:
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if c == crops[-1]:
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raise
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img.write_to_file(tpath, Q=40)
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def conv_ffmpeg(self, abspath: str, tpath: str) -> None:
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ret, _ = ffprobe(abspath, int(self.args.th_convt / 2))
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if not ret:
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return
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ext = abspath.rsplit(".")[-1].lower()
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if ext in ["h264", "h265"] or ext in self.fmt_ffi:
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seek: list[bytes] = []
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else:
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dur = ret[".dur"][1] if ".dur" in ret else 4
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seek = [b"-ss", "{:.0f}".format(dur / 3).encode("utf-8")]
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scale = "scale={0}:{1}:force_original_aspect_ratio="
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if self.args.th_no_crop:
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scale += "decrease,setsar=1:1"
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else:
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scale += "increase,crop={0}:{1},setsar=1:1"
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bscale = scale.format(*list(self.res)).encode("utf-8")
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# fmt: off
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cmd = [
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b"ffmpeg",
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b"-nostdin",
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b"-v", b"error",
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b"-hide_banner"
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]
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cmd += seek
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cmd += [
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b"-i", fsenc(abspath),
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b"-map", b"0:v:0",
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b"-vf", bscale,
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b"-frames:v", b"1",
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b"-metadata:s:v:0", b"rotate=0",
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]
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# fmt: on
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if tpath.endswith(".jpg"):
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cmd += [
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b"-q:v",
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b"6", # default=??
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]
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else:
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cmd += [
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b"-q:v",
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b"50", # default=75
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b"-compression_level:v",
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b"6", # default=4, 0=fast, 6=max
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]
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cmd += [fsenc(tpath)]
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self._run_ff(cmd)
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def _run_ff(self, cmd: list[bytes]) -> None:
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# self.log((b" ".join(cmd)).decode("utf-8"))
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ret, _, serr = runcmd(cmd, timeout=self.args.th_convt)
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if not ret:
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return
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c: Union[str, int] = "90"
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t = "FFmpeg failed (probably a corrupt video file):\n"
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if (
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(not self.args.th_ff_jpg or time.time() - int(self.args.th_ff_jpg) < 60)
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and cmd[-1].lower().endswith(b".webp")
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and (
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"Error selecting an encoder" in serr
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or "Automatic encoder selection failed" in serr
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or "Default encoder for format webp" in serr
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or "Please choose an encoder manually" in serr
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)
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):
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self.args.th_ff_jpg = time.time()
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t = "FFmpeg failed because it was compiled without libwebp; enabling --th-ff-jpg to force jpeg output:\n"
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ret = 321
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c = 1
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if (
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not self.args.th_ff_swr or time.time() - int(self.args.th_ff_swr) < 60
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) and (
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"Requested resampling engine is unavailable" in serr
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or "output pad on Parsed_aresample_" in serr
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):
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self.args.th_ff_swr = time.time()
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t = "FFmpeg failed because it was compiled without libsox; enabling --th-ff-swr to force swr resampling:\n"
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ret = 321
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c = 1
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lines = serr.strip("\n").split("\n")
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if len(lines) > 50:
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lines = lines[:25] + ["[...]"] + lines[-25:]
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txt = "\n".join(["ff: " + str(x) for x in lines])
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if len(txt) > 5000:
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txt = txt[:2500] + "...\nff: [...]\nff: ..." + txt[-2500:]
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self.log(t + txt, c=c)
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raise sp.CalledProcessError(ret, (cmd[0], b"...", cmd[-1]))
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def conv_waves(self, abspath: str, tpath: str) -> None:
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ret, _ = ffprobe(abspath, int(self.args.th_convt / 2))
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if "ac" not in ret:
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raise Exception("not audio")
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flt = (
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b"[0:a:0]"
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b"compand=.3|.3:1|1:-90/-60|-60/-40|-40/-30|-20/-20:6:0:-90:0.2"
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b",volume=2"
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b",showwavespic=s=2048x64:colors=white"
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b",convolution=1 1 1 1 1 1 1 1 1:1 1 1 1 1 1 1 1 1:1 1 1 1 1 1 1 1 1:1 -1 1 -1 5 -1 1 -1 1" # idk what im doing but it looks ok
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)
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# fmt: off
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cmd = [
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b"ffmpeg",
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b"-nostdin",
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b"-v", b"error",
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b"-hide_banner",
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b"-i", fsenc(abspath),
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b"-filter_complex", flt,
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b"-frames:v", b"1",
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]
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# fmt: on
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cmd += [fsenc(tpath)]
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self._run_ff(cmd)
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def conv_spec(self, abspath: str, tpath: str) -> None:
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ret, _ = ffprobe(abspath, int(self.args.th_convt / 2))
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if "ac" not in ret:
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raise Exception("not audio")
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fc = "[0:a:0]aresample=48000{},showspectrumpic=s=640x512,crop=780:544:70:50[o]"
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if self.args.th_ff_swr:
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fco = ":filter_size=128:cutoff=0.877"
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else:
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fco = ":resampler=soxr"
|
|
|
|
fc = fc.format(fco)
|
|
|
|
# fmt: off
|
|
cmd = [
|
|
b"ffmpeg",
|
|
b"-nostdin",
|
|
b"-v", b"error",
|
|
b"-hide_banner",
|
|
b"-i", fsenc(abspath),
|
|
b"-filter_complex", fc.encode("utf-8"),
|
|
b"-map", b"[o]",
|
|
b"-frames:v", b"1",
|
|
]
|
|
# fmt: on
|
|
|
|
if tpath.endswith(".jpg"):
|
|
cmd += [
|
|
b"-q:v",
|
|
b"6", # default=??
|
|
]
|
|
else:
|
|
cmd += [
|
|
b"-q:v",
|
|
b"50", # default=75
|
|
b"-compression_level:v",
|
|
b"6", # default=4, 0=fast, 6=max
|
|
]
|
|
|
|
cmd += [fsenc(tpath)]
|
|
self._run_ff(cmd)
|
|
|
|
def conv_opus(self, abspath: str, tpath: str) -> None:
|
|
if self.args.no_acode:
|
|
raise Exception("disabled in server config")
|
|
|
|
ret, _ = ffprobe(abspath, int(self.args.th_convt / 2))
|
|
if "ac" not in ret:
|
|
raise Exception("not audio")
|
|
|
|
src_opus = abspath.lower().endswith(".opus") or ret["ac"][1] == "opus"
|
|
want_caf = tpath.endswith(".caf")
|
|
tmp_opus = tpath
|
|
if want_caf:
|
|
tmp_opus = tpath.rsplit(".", 1)[0] + ".opus"
|
|
|
|
if not want_caf or (not src_opus and not bos.path.isfile(tmp_opus)):
|
|
# fmt: off
|
|
cmd = [
|
|
b"ffmpeg",
|
|
b"-nostdin",
|
|
b"-v", b"error",
|
|
b"-hide_banner",
|
|
b"-i", fsenc(abspath),
|
|
b"-map_metadata", b"-1",
|
|
b"-map", b"0:a:0",
|
|
b"-c:a", b"libopus",
|
|
b"-b:a", b"128k",
|
|
fsenc(tmp_opus)
|
|
]
|
|
# fmt: on
|
|
self._run_ff(cmd)
|
|
|
|
if want_caf:
|
|
# fmt: off
|
|
cmd = [
|
|
b"ffmpeg",
|
|
b"-nostdin",
|
|
b"-v", b"error",
|
|
b"-hide_banner",
|
|
b"-i", fsenc(abspath if src_opus else tmp_opus),
|
|
b"-map_metadata", b"-1",
|
|
b"-map", b"0:a:0",
|
|
b"-c:a", b"copy",
|
|
b"-f", b"caf",
|
|
fsenc(tpath)
|
|
]
|
|
# fmt: on
|
|
self._run_ff(cmd)
|
|
|
|
def poke(self, tdir: str) -> None:
|
|
if not self.poke_cd.poke(tdir):
|
|
return
|
|
|
|
ts = int(time.time())
|
|
try:
|
|
for _ in range(4):
|
|
bos.utime(tdir, (ts, ts))
|
|
tdir = os.path.dirname(tdir)
|
|
except:
|
|
pass
|
|
|
|
def cleaner(self) -> None:
|
|
interval = self.args.th_clean
|
|
while True:
|
|
time.sleep(interval)
|
|
ndirs = 0
|
|
for vol, histpath in self.asrv.vfs.histtab.items():
|
|
if histpath.startswith(vol):
|
|
self.log("\033[Jcln {}/\033[A".format(histpath))
|
|
else:
|
|
self.log("\033[Jcln {} ({})/\033[A".format(histpath, vol))
|
|
|
|
ndirs += self.clean(histpath)
|
|
|
|
self.log("\033[Jcln ok; rm {} dirs".format(ndirs))
|
|
|
|
def clean(self, histpath: str) -> int:
|
|
ret = 0
|
|
for cat in ["th", "ac"]:
|
|
top = os.path.join(histpath, cat)
|
|
if not bos.path.isdir(top):
|
|
continue
|
|
|
|
ret += self._clean(cat, top)
|
|
|
|
return ret
|
|
|
|
def _clean(self, cat: str, thumbpath: str) -> int:
|
|
# self.log("cln {}".format(thumbpath))
|
|
exts = ["jpg", "webp", "png"] if cat == "th" else ["opus", "caf"]
|
|
maxage = getattr(self.args, cat + "_maxage")
|
|
now = time.time()
|
|
prev_b64 = None
|
|
prev_fp = ""
|
|
try:
|
|
t1 = statdir(self.log_func, not self.args.no_scandir, False, thumbpath)
|
|
ents = sorted(list(t1))
|
|
except:
|
|
return 0
|
|
|
|
ndirs = 0
|
|
for f, inf in ents:
|
|
fp = os.path.join(thumbpath, f)
|
|
cmp = fp.lower().replace("\\", "/")
|
|
|
|
# "top" or b64 prefix/full (a folder)
|
|
if len(f) <= 3 or len(f) == 24:
|
|
age = now - inf.st_mtime
|
|
if age > maxage:
|
|
with self.mutex:
|
|
safe = True
|
|
for k in self.busy:
|
|
if k.lower().replace("\\", "/").startswith(cmp):
|
|
safe = False
|
|
break
|
|
|
|
if safe:
|
|
ndirs += 1
|
|
self.log("rm -rf [{}]".format(fp))
|
|
shutil.rmtree(fp, ignore_errors=True)
|
|
else:
|
|
ndirs += self._clean(cat, fp)
|
|
|
|
continue
|
|
|
|
# thumb file
|
|
try:
|
|
b64, ts, ext = f.split(".")
|
|
if len(b64) != 24 or len(ts) != 8 or ext not in exts:
|
|
raise Exception()
|
|
except:
|
|
if f != "dir.txt":
|
|
self.log("foreign file in thumbs dir: [{}]".format(fp), 1)
|
|
|
|
continue
|
|
|
|
if b64 == prev_b64:
|
|
self.log("rm replaced [{}]".format(fp))
|
|
bos.unlink(prev_fp)
|
|
|
|
if cat != "th" and inf.st_mtime + maxage < now:
|
|
self.log("rm expired [{}]".format(fp))
|
|
bos.unlink(fp)
|
|
|
|
prev_b64 = b64
|
|
prev_fp = fp
|
|
|
|
return ndirs
|