async def findlargemp4fileffmpeg(starttime, endtime):
#print("begin findlargemp4fileffmpeg")
mp4list = []
client = AsyncIOMotorClient(ServerParameters.mongodbpath)
db = client.jt808
bucket = AsyncIOMotorGridFSBucket(db, "eventuploadvideos")
cursor = bucket.find({
"uploadDate": {
'$gt': starttime,
'$lte': endtime
},
"filename": {
"$regex": ".mp4$"
}
})
filelist = await cursor.to_list(100000)
ccount = 0
for fi in filelist:
if fi["length"] > 1000000:
print(fi)
if os.path.exists(fi["filename"]):
os.remove(fi["filename"])
ds = await bucket.open_download_stream(fi["_id"])
f = open("input" + fi["filename"], 'wb')
bbb = await ds.read()
f.write(bbb)
f.close()
ds.close()
converttstoh264("input" + fi["filename"], fi["filename"])
if os.path.exists("input" + fi["filename"]):
os.remove("input" + fi["filename"])
# 保存到bucket
try:
if os.path.exists(fi["filename"]):
uf = open(fi["filename"], "rb")
ubbb = uf.read()
uf.close()
os.remove(fi["filename"])
bucket.delete(fi["_id"])
uds = bucket.open_upload_stream_with_id(
fi["_id"], fi["filename"])
await uds.write(ubbb)
uds.close()
ccount = ccount + 1
logging.info("convert %s %s", fi["_id"], fi["filename"])
except BaseException as e:
logging.error(e)
logging.info("end findlargemp4fileffmpeg total %s convert %s",
len(filelist), ccount)
return
