copyparty/copyparty/th_srv.py
2025-07-30 19:35:00 +00:00

1078 lines
33 KiB
Python

# coding: utf-8
from __future__ import print_function, unicode_literals
import hashlib
import logging
import os
import re
import shutil
import subprocess as sp
import tempfile
import threading
import time
from queue import Queue
from .__init__ import ANYWIN, PY2, TYPE_CHECKING
from .authsrv import VFS
from .bos import bos
from .mtag import HAVE_FFMPEG, HAVE_FFPROBE, au_unpk, ffprobe
from .util import BytesIO # type: ignore
from .util import (
FFMPEG_URL,
VF_CAREFUL,
Cooldown,
Daemon,
afsenc,
atomic_move,
fsenc,
min_ex,
runcmd,
statdir,
ub64enc,
vsplit,
wunlink,
)
if True: # pylint: disable=using-constant-test
from typing import Any, Optional, Union
if TYPE_CHECKING:
from .svchub import SvcHub
if PY2:
range = xrange # type: ignore
HAVE_PIL = False
HAVE_PILF = False
HAVE_HEIF = False
HAVE_AVIF = False
HAVE_WEBP = False
EXTS_TH = set(["jpg", "webp", "png"])
EXTS_AC = set(["opus", "owa", "caf", "mp3"])
EXTS_SPEC_SAFE = set("aif aiff flac mp3 opus wav".split())
PTN_TS = re.compile("^-?[0-9a-f]{8,10}$")
try:
if os.environ.get("PRTY_NO_PIL"):
raise Exception()
from PIL import ExifTags, Image, ImageFont, ImageOps
HAVE_PIL = True
try:
if os.environ.get("PRTY_NO_PILF"):
raise Exception()
ImageFont.load_default(size=16)
HAVE_PILF = True
except:
pass
try:
if os.environ.get("PRTY_NO_PIL_WEBP"):
raise Exception()
Image.new("RGB", (2, 2)).save(BytesIO(), format="webp")
HAVE_WEBP = True
except:
pass
try:
if os.environ.get("PRTY_NO_PIL_HEIF"):
raise Exception()
from pyheif_pillow_opener import register_heif_opener
register_heif_opener()
HAVE_HEIF = True
except:
pass
try:
if os.environ.get("PRTY_NO_PIL_AVIF"):
raise Exception()
if ".avif" in Image.registered_extensions():
HAVE_AVIF = True
raise Exception()
import pillow_avif # noqa: F401 # pylint: disable=unused-import
HAVE_AVIF = True
except:
pass
logging.getLogger("PIL").setLevel(logging.WARNING)
except:
pass
try:
if os.environ.get("PRTY_NO_VIPS"):
raise Exception()
HAVE_VIPS = True
import pyvips
logging.getLogger("pyvips").setLevel(logging.WARNING)
except:
HAVE_VIPS = False
th_dir_cache = {}
def thumb_path(histpath: str, rem: str, mtime: float, fmt: str, ffa: set[str]) -> str:
# base16 = 16 = 256
# b64-lc = 38 = 1444
# base64 = 64 = 4096
rd, fn = vsplit(rem)
if not rd:
rd = "\ntop"
# spectrograms are never cropped; strip fullsize flag
ext = rem.split(".")[-1].lower()
if ext in ffa and fmt[:2] in ("wf", "jf"):
fmt = fmt.replace("f", "")
dcache = th_dir_cache
rd_key = rd + "\n" + fmt
rd = dcache.get(rd_key)
if not rd:
h = hashlib.sha512(afsenc(rd_key)).digest()
b64 = ub64enc(h).decode("ascii")[:24]
rd = ("%s/%s/" % (b64[:2], b64[2:4])).lower() + b64
if len(dcache) > 9001:
dcache.clear()
dcache[rd_key] = rd
# could keep original filenames but this is safer re pathlen
h = hashlib.sha512(afsenc(fn)).digest()
fn = ub64enc(h).decode("ascii")[:24]
if fmt in EXTS_AC:
cat = "ac"
else:
fc = fmt[:1]
fmt = "webp" if fc == "w" else "png" if fc == "p" else "jpg"
cat = "th"
return "%s/%s/%s/%s.%x.%s" % (histpath, cat, rd, fn, int(mtime), fmt)
class ThumbSrv(object):
def __init__(self, hub: "SvcHub") -> None:
self.hub = hub
self.asrv = hub.asrv
self.args = hub.args
self.log_func = hub.log
self.poke_cd = Cooldown(self.args.th_poke)
self.mutex = threading.Lock()
self.busy: dict[str, list[threading.Condition]] = {}
self.untemp: dict[str, list[str]] = {}
self.ram: dict[str, float] = {}
self.memcond = threading.Condition(self.mutex)
self.stopping = False
self.rm_nullthumbs = True # forget failed conversions on startup
self.nthr = max(1, self.args.th_mt)
self.exts_spec_unsafe = set(self.args.th_spec_cnv.split(","))
self.q: Queue[Optional[tuple[str, str, str, VFS]]] = Queue(self.nthr * 4)
for n in range(self.nthr):
Daemon(self.worker, "thumb-{}-{}".format(n, self.nthr))
want_ff = not self.args.no_vthumb or not self.args.no_athumb
if want_ff and (not HAVE_FFMPEG or not HAVE_FFPROBE):
missing = []
if not HAVE_FFMPEG:
missing.append("FFmpeg")
if not HAVE_FFPROBE:
missing.append("FFprobe")
msg = "cannot create audio/video thumbnails because some of the required programs are not available: "
msg += ", ".join(missing)
self.log(msg, c=3)
if ANYWIN and self.args.no_acode:
self.log("download FFmpeg to fix it:\033[0m " + FFMPEG_URL, 3)
if self.args.th_clean:
Daemon(self.cleaner, "thumb.cln")
self.fmt_pil, self.fmt_vips, self.fmt_ffi, self.fmt_ffv, self.fmt_ffa = [
set(y.split(","))
for y in [
self.args.th_r_pil,
self.args.th_r_vips,
self.args.th_r_ffi,
self.args.th_r_ffv,
self.args.th_r_ffa,
]
]
if not HAVE_HEIF:
for f in "heif heifs heic heics".split(" "):
self.fmt_pil.discard(f)
if not HAVE_AVIF:
for f in "avif avifs".split(" "):
self.fmt_pil.discard(f)
self.thumbable: set[str] = set()
if "pil" in self.args.th_dec:
self.thumbable |= self.fmt_pil
if "vips" in self.args.th_dec:
self.thumbable |= self.fmt_vips
if "ff" in self.args.th_dec:
for zss in [self.fmt_ffi, self.fmt_ffv, self.fmt_ffa]:
self.thumbable |= zss
def log(self, msg: str, c: Union[int, str] = 0) -> None:
self.log_func("thumb", msg, c)
def shutdown(self) -> None:
self.stopping = True
for _ in range(self.nthr):
self.q.put(None)
def stopped(self) -> bool:
with self.mutex:
return not self.nthr
def getres(self, vn: VFS, fmt: str) -> tuple[int, int]:
mul = 3 if "3" in fmt else 1
w, h = vn.flags["thsize"].split("x")
return int(w) * mul, int(h) * mul
def get(self, ptop: str, rem: str, mtime: float, fmt: str) -> Optional[str]:
histpath = self.asrv.vfs.histtab.get(ptop)
if not histpath:
self.log("no histpath for %r" % (ptop,))
return None
tpath = thumb_path(histpath, rem, mtime, fmt, self.fmt_ffa)
abspath = os.path.join(ptop, rem)
cond = threading.Condition(self.mutex)
do_conv = False
with self.mutex:
try:
self.busy[tpath].append(cond)
self.log("joined waiting room for %r" % (tpath,))
except:
thdir = os.path.dirname(tpath)
chmod = bos.MKD_700 if self.args.free_umask else bos.MKD_755
bos.makedirs(os.path.join(thdir, "w"), vf=chmod)
inf_path = os.path.join(thdir, "dir.txt")
if not bos.path.exists(inf_path):
with open(inf_path, "wb") as f:
f.write(afsenc(os.path.dirname(abspath)))
self.busy[tpath] = [cond]
do_conv = True
if do_conv:
allvols = list(self.asrv.vfs.all_vols.values())
vn = next((x for x in allvols if x.realpath == ptop), None)
if not vn:
self.log("ptop %r not in %s" % (ptop, allvols), 3)
vn = self.asrv.vfs.all_aps[0][1][0]
self.q.put((abspath, tpath, fmt, vn))
self.log("conv %r :%s \033[0m%r" % (tpath, fmt, abspath), 6)
while not self.stopping:
with self.mutex:
if tpath not in self.busy:
break
with cond:
cond.wait(3)
try:
st = bos.stat(tpath)
if st.st_size:
self.poke(tpath)
return tpath
except:
pass
return None
def getcfg(self) -> dict[str, set[str]]:
return {
"thumbable": self.thumbable,
"pil": self.fmt_pil,
"vips": self.fmt_vips,
"ffi": self.fmt_ffi,
"ffv": self.fmt_ffv,
"ffa": self.fmt_ffa,
}
def wait4ram(self, need: float, ttpath: str) -> None:
ram = self.args.th_ram_max
if need > ram * 0.99:
t = "file too big; need %.2f GiB RAM, but --th-ram-max is only %.1f"
raise Exception(t % (need, ram))
while True:
with self.mutex:
used = sum([v for k, v in self.ram.items() if k != ttpath]) + need
if used < ram:
# self.log("XXX self.ram: %s" % (self.ram,), 5)
self.ram[ttpath] = need
return
with self.memcond:
# self.log("at RAM limit; used %.2f GiB, need %.2f more" % (used-need, need), 1)
self.memcond.wait(3)
def worker(self) -> None:
while not self.stopping:
task = self.q.get()
if not task:
break
abspath, tpath, fmt, vn = task
ext = abspath.split(".")[-1].lower()
png_ok = False
funs = []
if ext in self.args.au_unpk:
ap_unpk = au_unpk(self.log, self.args.au_unpk, abspath, vn)
else:
ap_unpk = abspath
if not bos.path.exists(tpath):
tex = tpath.rsplit(".", 1)[-1]
want_mp3 = tex == "mp3"
want_opus = tex in ("opus", "owa", "caf")
want_png = tex == "png"
want_au = want_mp3 or want_opus
for lib in self.args.th_dec:
can_au = lib == "ff" and (
ext in self.fmt_ffa or ext in self.fmt_ffv
)
if lib == "pil" and ext in self.fmt_pil:
funs.append(self.conv_pil)
elif lib == "vips" and ext in self.fmt_vips:
funs.append(self.conv_vips)
elif can_au and (want_png or want_au):
if want_opus:
funs.append(self.conv_opus)
elif want_mp3:
funs.append(self.conv_mp3)
elif want_png:
funs.append(self.conv_waves)
png_ok = True
elif lib == "ff" and (ext in self.fmt_ffi or ext in self.fmt_ffv):
funs.append(self.conv_ffmpeg)
elif lib == "ff" and ext in self.fmt_ffa and not want_au:
funs.append(self.conv_spec)
tdir, tfn = os.path.split(tpath)
ttpath = os.path.join(tdir, "w", tfn)
try:
wunlink(self.log, ttpath, vn.flags)
except:
pass
for fun in funs:
try:
if not png_ok and tpath.endswith(".png"):
raise Exception("png only allowed for waveforms")
fun(ap_unpk, ttpath, fmt, vn)
break
except Exception as ex:
msg = "%s could not create thumbnail of %r\n%s"
msg = msg % (fun.__name__, abspath, min_ex())
c: Union[str, int] = 1 if "<Signals.SIG" in msg else "90"
self.log(msg, c)
if getattr(ex, "returncode", 0) != 321:
if fun == funs[-1]:
try:
with open(ttpath, "wb") as _:
pass
except Exception as ex:
t = "failed to create the file [%s]: %r"
self.log(t % (ttpath, ex), 3)
else:
# ffmpeg may spawn empty files on windows
try:
wunlink(self.log, ttpath, vn.flags)
except:
pass
if abspath != ap_unpk:
wunlink(self.log, ap_unpk, vn.flags)
try:
atomic_move(self.log, ttpath, tpath, vn.flags)
except Exception as ex:
if not os.path.exists(tpath):
t = "failed to move [%s] to [%s]: %r"
self.log(t % (ttpath, tpath, ex), 3)
pass
untemp = []
with self.mutex:
subs = self.busy[tpath]
del self.busy[tpath]
self.ram.pop(ttpath, None)
untemp = self.untemp.pop(ttpath, None) or []
for ap in untemp:
try:
wunlink(self.log, ap, VF_CAREFUL)
except:
pass
for x in subs:
with x:
x.notify_all()
with self.memcond:
self.memcond.notify_all()
with self.mutex:
self.nthr -= 1
def fancy_pillow(self, im: "Image.Image", fmt: str, vn: VFS) -> "Image.Image":
# exif_transpose is expensive (loads full image + unconditional copy)
res = self.getres(vn, fmt)
r = max(*res) * 2
im.thumbnail((r, r), resample=Image.LANCZOS)
try:
k = next(k for k, v in ExifTags.TAGS.items() if v == "Orientation")
exif = im.getexif()
rot = int(exif[k])
del exif[k]
except:
rot = 1
rots = {8: Image.ROTATE_90, 3: Image.ROTATE_180, 6: Image.ROTATE_270}
if rot in rots:
im = im.transpose(rots[rot])
if "f" in fmt:
im.thumbnail(res, resample=Image.LANCZOS)
else:
iw, ih = im.size
dw, dh = res
res = (min(iw, dw), min(ih, dh))
im = ImageOps.fit(im, res, method=Image.LANCZOS)
return im
def conv_pil(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
self.wait4ram(0.2, tpath)
with Image.open(fsenc(abspath)) as im:
try:
im = self.fancy_pillow(im, fmt, vn)
except Exception as ex:
self.log("fancy_pillow {}".format(ex), "90")
im.thumbnail(self.getres(vn, fmt))
fmts = ["RGB", "L"]
args = {"quality": 40}
if tpath.endswith(".webp"):
# quality 80 = pillow-default
# quality 75 = ffmpeg-default
# method 0 = pillow-default, fast
# method 4 = ffmpeg-default
# method 6 = max, slow
fmts.extend(("RGBA", "LA"))
args["method"] = 6
else:
# default q = 75
args["progressive"] = True
if im.mode not in fmts:
# print("conv {}".format(im.mode))
im = im.convert("RGB")
im.save(tpath, **args)
def conv_vips(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
self.wait4ram(0.2, tpath)
crops = ["centre", "none"]
if "f" in fmt:
crops = ["none"]
w, h = self.getres(vn, fmt)
kw = {"height": h, "size": "down", "intent": "relative"}
for c in crops:
try:
kw["crop"] = c
img = pyvips.Image.thumbnail(abspath, w, **kw)
break
except:
if c == crops[-1]:
raise
assert img # type: ignore # !rm
img.write_to_file(tpath, Q=40)
def conv_ffmpeg(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
self.wait4ram(0.2, tpath)
ret, _ = ffprobe(abspath, int(vn.flags["convt"] / 2))
if not ret:
return
ext = abspath.rsplit(".")[-1].lower()
if ext in ["h264", "h265"] or ext in self.fmt_ffi:
seek: list[bytes] = []
else:
dur = ret[".dur"][1] if ".dur" in ret else 4
seek = [b"-ss", "{:.0f}".format(dur / 3).encode("utf-8")]
scale = "scale={0}:{1}:force_original_aspect_ratio="
if "f" in fmt:
scale += "decrease,setsar=1:1"
else:
scale += "increase,crop={0}:{1},setsar=1:1"
res = self.getres(vn, fmt)
bscale = scale.format(*list(res)).encode("utf-8")
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner"
]
cmd += seek
cmd += [
b"-i", fsenc(abspath),
b"-map", b"0:v:0",
b"-vf", bscale,
b"-frames:v", b"1",
b"-metadata:s:v:0", b"rotate=0",
]
# 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, vn)
def _run_ff(self, cmd: list[bytes], vn: VFS, oom: int = 400) -> None:
# self.log((b" ".join(cmd)).decode("utf-8"))
ret, _, serr = runcmd(cmd, timeout=vn.flags["convt"], nice=True, oom=oom)
if not ret:
return
c: Union[str, int] = "90"
t = "FFmpeg failed (probably a corrupt video file):\n"
if (
(not self.args.th_ff_jpg or time.time() - int(self.args.th_ff_jpg) < 60)
and cmd[-1].lower().endswith(b".webp")
and (
"Error selecting an encoder" in serr
or "Automatic encoder selection failed" in serr
or "Default encoder for format webp" in serr
or "Please choose an encoder manually" in serr
)
):
self.args.th_ff_jpg = time.time()
t = "FFmpeg failed because it was compiled without libwebp; enabling --th-ff-jpg to force jpeg output:\n"
ret = 321
c = 1
if (
not self.args.th_ff_swr or time.time() - int(self.args.th_ff_swr) < 60
) and (
"Requested resampling engine is unavailable" in serr
or "output pad on Parsed_aresample_" in serr
):
self.args.th_ff_swr = time.time()
t = "FFmpeg failed because it was compiled without libsox; enabling --th-ff-swr to force swr resampling:\n"
ret = 321
c = 1
lines = serr.strip("\n").split("\n")
if len(lines) > 50:
lines = lines[:25] + ["[...]"] + lines[-25:]
txt = "\n".join(["ff: " + str(x) for x in lines])
if len(txt) > 5000:
txt = txt[:2500] + "...\nff: [...]\nff: ..." + txt[-2500:]
self.log(t + txt, c=c)
raise sp.CalledProcessError(ret, (cmd[0], b"...", cmd[-1]))
def conv_waves(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
ret, _ = ffprobe(abspath, int(vn.flags["convt"] / 2))
if "ac" not in ret:
raise Exception("not audio")
# jt_versi.xm: 405M/839s
dur = ret[".dur"][1] if ".dur" in ret else 300
need = 0.2 + dur / 3000
speedup = b""
if need > self.args.th_ram_max * 0.7:
self.log("waves too big (need %.2f GiB); trying to optimize" % (need,))
need = 0.2 + dur / 4200 # only helps about this much...
speedup = b"aresample=8000,"
if need > self.args.th_ram_max * 0.96:
raise Exception("file too big; cannot waves")
self.wait4ram(need, tpath)
flt = b"[0:a:0]" + speedup
flt += (
b"compand=.3|.3:1|1:-90/-60|-60/-40|-40/-30|-20/-20:6:0:-90:0.2"
b",volume=2"
b",showwavespic=s=2048x64:colors=white"
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
)
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(abspath),
b"-filter_complex", flt,
b"-frames:v", b"1",
]
# fmt: on
cmd += [fsenc(tpath)]
self._run_ff(cmd, vn)
if "pngquant" in vn.flags:
wtpath = tpath + ".png"
cmd = [
b"pngquant",
b"--strip",
b"--nofs",
b"--output",
fsenc(wtpath),
fsenc(tpath),
]
ret = runcmd(cmd, timeout=vn.flags["convt"], nice=True, oom=400)[0]
if ret:
try:
wunlink(self.log, wtpath, vn.flags)
except:
pass
else:
atomic_move(self.log, wtpath, tpath, vn.flags)
def conv_spec(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
ret, _ = ffprobe(abspath, int(vn.flags["convt"] / 2))
if "ac" not in ret:
raise Exception("not audio")
fext = abspath.split(".")[-1].lower()
# https://trac.ffmpeg.org/ticket/10797
# expect 1 GiB every 600 seconds when duration is tricky;
# simple filetypes are generally safer so let's special-case those
coeff = 1800 if fext in EXTS_SPEC_SAFE else 600
dur = ret[".dur"][1] if ".dur" in ret else 900
need = 0.2 + dur / coeff
self.wait4ram(need, tpath)
infile = abspath
if dur >= 900 or fext in self.exts_spec_unsafe:
with tempfile.NamedTemporaryFile(suffix=".spec.flac", delete=False) as f:
f.write(b"h")
infile = f.name
try:
self.untemp[tpath].append(infile)
except:
self.untemp[tpath] = [infile]
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(abspath),
b"-map", b"0:a:0",
b"-ac", b"1",
b"-ar", b"48000",
b"-sample_fmt", b"s16",
b"-t", b"900",
b"-y", fsenc(infile),
]
# fmt: on
self._run_ff(cmd, vn)
fc = "[0:a:0]aresample=48000{},showspectrumpic=s="
if "3" in fmt:
fc += "1280x1024,crop=1420:1056:70:48[o]"
else:
fc += "640x512,crop=780:544:70:48[o]"
if self.args.th_ff_swr:
fco = ":filter_size=128:cutoff=0.877"
else:
fco = ":resampler=soxr"
fc = fc.format(fco)
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(infile),
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, vn)
def conv_mp3(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
quality = self.args.q_mp3.lower()
if self.args.no_acode or not quality:
raise Exception("disabled in server config")
self.wait4ram(0.2, tpath)
tags, rawtags = ffprobe(abspath, int(vn.flags["convt"] / 2))
if "ac" not in tags:
raise Exception("not audio")
if quality.endswith("k"):
qk = b"-b:a"
qv = quality.encode("ascii")
else:
qk = b"-q:a"
qv = quality[1:].encode("ascii")
# extremely conservative choices for output format
# (always 2ch 44k1) because if a device is old enough
# to not support opus then it's probably also super picky
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(abspath),
] + self.big_tags(rawtags) + [
b"-map", b"0:a:0",
b"-ar", b"44100",
b"-ac", b"2",
b"-c:a", b"libmp3lame",
qk, qv,
fsenc(tpath)
]
# fmt: on
self._run_ff(cmd, vn, oom=300)
def conv_opus(self, abspath: str, tpath: str, fmt: str, vn: VFS) -> None:
if self.args.no_acode or not self.args.q_opus:
raise Exception("disabled in server config")
self.wait4ram(0.2, tpath)
tags, rawtags = ffprobe(abspath, int(vn.flags["convt"] / 2))
if "ac" not in tags:
raise Exception("not audio")
sq = "%dk" % (self.args.q_opus,)
bq = sq.encode("ascii")
if tags["ac"][1] == "opus":
enc = "-c:a copy"
else:
enc = "-c:a libopus -b:a " + sq
fun = self._conv_caf if fmt == "caf" else self._conv_owa
fun(abspath, tpath, tags, rawtags, enc, bq, vn)
def _conv_owa(
self,
abspath: str,
tpath: str,
tags: dict[str, tuple[int, Any]],
rawtags: dict[str, list[Any]],
enc: str,
bq: bytes,
vn: VFS,
) -> None:
if tpath.endswith(".owa"):
container = b"webm"
tagset = [b"-map_metadata", b"-1"]
else:
container = b"opus"
tagset = self.big_tags(rawtags)
self.log("conv2 %s [%s]" % (container, enc), 6)
benc = enc.encode("ascii").split(b" ")
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(abspath),
] + tagset + [
b"-map", b"0:a:0",
] + benc + [
b"-f", container,
fsenc(tpath)
]
# fmt: on
self._run_ff(cmd, vn, oom=300)
def _conv_caf(
self,
abspath: str,
tpath: str,
tags: dict[str, tuple[int, Any]],
rawtags: dict[str, list[Any]],
enc: str,
bq: bytes,
vn: VFS,
) -> None:
tmp_opus = tpath + ".opus"
try:
wunlink(self.log, tmp_opus, vn.flags)
except:
pass
try:
dur = tags[".dur"][1]
except:
dur = 0
self.log("conv2 caf-tmp [%s]" % (enc,), 6)
benc = enc.encode("ascii").split(b" ")
# 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",
] + benc + [
b"-f", b"opus",
fsenc(tmp_opus)
]
# fmt: on
self._run_ff(cmd, vn, oom=300)
# iOS fails to play some "insufficiently complex" files
# (average file shorter than 8 seconds), so of course we
# fix that by mixing in some inaudible pink noise :^)
# 6.3 sec seems like the cutoff so lets do 7, and
# 7 sec of psyqui-musou.opus @ 3:50 is 174 KiB
sz = bos.path.getsize(tmp_opus)
if dur < 20 or sz < 256 * 1024:
zs = bq.decode("ascii")
self.log("conv2 caf-transcode; dur=%d sz=%d q=%s" % (dur, sz, zs), 6)
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(abspath),
b"-filter_complex", b"anoisesrc=a=0.001:d=7:c=pink,asplit[l][r]; [l][r]amerge[s]; [0:a:0][s]amix",
b"-map_metadata", b"-1",
b"-ac", b"2",
b"-c:a", b"libopus",
b"-b:a", bq,
b"-f", b"caf",
fsenc(tpath)
]
# fmt: on
self._run_ff(cmd, vn, oom=300)
else:
# simple remux should be safe
self.log("conv2 caf-remux; dur=%d sz=%d" % (dur, sz), 6)
# fmt: off
cmd = [
b"ffmpeg",
b"-nostdin",
b"-v", b"error",
b"-hide_banner",
b"-i", fsenc(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, vn, oom=300)
try:
wunlink(self.log, tmp_opus, vn.flags)
except:
pass
def big_tags(self, raw_tags: dict[str, list[str]]) -> list[bytes]:
ret = []
for k, vs in raw_tags.items():
for v in vs:
if len(str(v)) >= 1024:
bv = k.encode("utf-8", "replace")
ret += [b"-metadata", bv + b"="]
break
return ret
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:
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))
try:
ndirs += self.clean(histpath)
except Exception as ex:
self.log("\033[Jcln err in %s: %r" % (histpath, ex), 3)
self.log("\033[Jcln ok; rm {} dirs".format(ndirs))
self.rm_nullthumbs = False
time.sleep(interval)
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 = EXTS_TH if cat == "th" else EXTS_AC
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, False
)
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(ts) > 8 and PTN_TS.match(ts):
ts = "yeahokay"
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 self.rm_nullthumbs and not inf.st_size:
bos.unlink(fp)
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