Vasanko/cista-storage
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Attempt to reduce leak of ffmpeg previews

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This commit is contained in:
Leo Vasanko 2023-11-21 12:27:38 +00:00
parent fdbf9b2610
commit 728cd47dca
1 changed files with 3 additions and 2 deletions
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5
cista/preview.py
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@ -10,7 +10,6 @@ from wsgiref.handlers import format_date_time
import av import av
import av.datasets import av.datasets
import fitz # PyMuPDF import fitz # PyMuPDF
from av.streams import SideData
from PIL import Image from PIL import Image
from sanic import Blueprint, empty, raw from sanic import Blueprint, empty, raw
from sanic.exceptions import NotFound from sanic.exceptions import NotFound
@ -19,6 +18,8 @@ from sanic.log import logger
from cista import config from cista import config
from cista.util.filename import sanitize from cista.util.filename import sanitize
DISPLAYMATRIX = av.streams.SideData.DISPLAYMATRIX
bp = Blueprint("preview", url_prefix="/preview") bp = Blueprint("preview", url_prefix="/preview")
@ -100,7 +101,7 @@ def process_video(path, *, maxsize, quality):
stream = container.streams.video[0] stream = container.streams.video[0]
stream.codec_context.skip_frame = "NONKEY" stream.codec_context.skip_frame = "NONKEY"
stream.codec_context.threads = 1 stream.codec_context.threads = 1
rot = stream.side_data and stream.side_data.get(SideData.DISPLAYMATRIX) or 0 rot = stream.side_data and stream.side_data.get(DISPLAYMATRIX) or 0
container.seek(container.duration // 8) container.seek(container.duration // 8)
img = next(container.decode(stream)).to_image() img = next(container.decode(stream)).to_image()
del stream del stream