132 lines
3.4 KiB
Python
Executable File
132 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import json
|
|
import re
|
|
import os
|
|
import sys
|
|
import subprocess as sp
|
|
|
|
try:
|
|
from copyparty.util import fsenc
|
|
except:
|
|
|
|
def fsenc(p):
|
|
return p.encode("utf-8")
|
|
|
|
|
|
_ = r"""
|
|
inspects video files for errors and such
|
|
plus stores a bunch of metadata to filename.ff.json
|
|
|
|
usage:
|
|
-mtp vidchk=t600,ay,p,bin/mtag/vidchk.py
|
|
|
|
explained:
|
|
t600: timeout 10min
|
|
ay: only process files which contain audio (including video with audio)
|
|
p: set priority 1 (lowest priority after initial ffprobe/mutagen for base tags),
|
|
makes copyparty feed base tags into this script as json
|
|
|
|
if you wanna use this script standalone / separately from copyparty,
|
|
provide the video resolution on stdin as json: {"res":"1920x1080"}
|
|
"""
|
|
|
|
|
|
FAST = True # parse entire file at container level
|
|
# FAST = False # fully decode audio and video streams
|
|
|
|
|
|
# warnings to ignore
|
|
harmless = re.compile(
|
|
r"Unsupported codec with id |Could not find codec parameters.*Attachment:|analyzeduration"
|
|
+ r"|timescale not set"
|
|
)
|
|
|
|
|
|
def wfilter(lines):
|
|
return [x for x in lines if x.strip() and not harmless.search(x)]
|
|
|
|
|
|
def errchk(so, se, rc, dbg):
|
|
if dbg:
|
|
with open(dbg, "wb") as f:
|
|
f.write(b"so:\n" + so + b"\nse:\n" + se + b"\n")
|
|
|
|
if rc:
|
|
err = (so + se).decode("utf-8", "replace").split("\n", 1)
|
|
err = wfilter(err) or err
|
|
return f"ERROR {rc}: {err[0]}"
|
|
|
|
if se:
|
|
err = se.decode("utf-8", "replace").split("\n", 1)
|
|
err = wfilter(err)
|
|
if err:
|
|
return f"Warning: {err[0]}"
|
|
|
|
return None
|
|
|
|
|
|
def main():
|
|
fp = sys.argv[1]
|
|
zb = sys.stdin.buffer.read()
|
|
zs = zb.decode("utf-8", "replace")
|
|
md = json.loads(zs)
|
|
|
|
fdir = os.path.dirname(os.path.realpath(fp))
|
|
flag = os.path.join(fdir, ".processed")
|
|
if os.path.exists(flag):
|
|
return "already processed"
|
|
|
|
try:
|
|
w, h = [int(x) for x in md["res"].split("x")]
|
|
if not w + h:
|
|
raise Exception()
|
|
except:
|
|
return "could not determine resolution"
|
|
|
|
# grab streams/format metadata + 2 seconds of frames at the start and end
|
|
zs = "ffprobe -hide_banner -v warning -of json -show_streams -show_format -show_packets -show_data_hash crc32 -read_intervals %+2,999999%+2"
|
|
cmd = zs.encode("ascii").split(b" ") + [fsenc(fp)]
|
|
p = sp.Popen(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
|
|
so, se = p.communicate()
|
|
|
|
# spaces to tabs, drops filesize from 69k to 48k
|
|
so = b"\n".join(
|
|
[
|
|
b"\t" * int((len(x) - len(x.lstrip())) / 4) + x.lstrip()
|
|
for x in (so or b"").split(b"\n")
|
|
]
|
|
)
|
|
with open(fsenc(f"{fp}.ff.json"), "wb") as f:
|
|
f.write(so)
|
|
|
|
err = errchk(so, se, p.returncode, f"{fp}.vidchk")
|
|
if err:
|
|
return err
|
|
|
|
if max(w, h) < 1280 and min(w, h) < 720:
|
|
return "resolution too small"
|
|
|
|
zs = (
|
|
"ffmpeg -y -hide_banner -nostdin -v warning"
|
|
+ " -err_detect +crccheck+bitstream+buffer+careful+compliant+aggressive+explode"
|
|
+ " -xerror -i"
|
|
)
|
|
|
|
cmd = zs.encode("ascii").split(b" ") + [fsenc(fp)]
|
|
|
|
if FAST:
|
|
zs = "-c copy -f null -"
|
|
else:
|
|
zs = "-vcodec rawvideo -acodec pcm_s16le -f null -"
|
|
|
|
cmd += zs.encode("ascii").split(b" ")
|
|
|
|
p = sp.Popen(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
|
|
so, se = p.communicate()
|
|
return errchk(so, se, p.returncode, f"{fp}.vidchk")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
print(main() or "ok")
|