检测MOV文件的持续时间

ffmpeg -i input.mov -vcodec copy -acodec copy -f null /dev/null 2>&1 | grep "Duration" | awk '{print $2}' | sed s/00:\\([0-9][0-9]\):/\1/

from moviepy.editor import VideoFileClip

clip = VideoFileClip("input.mov")
duration = clip.duration
print(duration)

import cv2

video = cv2.VideoCapture("input.mov")
frame_count = int(video.get(cv2.CAP_PROP_FRAME_COUNT))
fps = video.get(cv2.CAP_PROP_FPS)
duration = frame_count / fps
print(duration)

import tencentcloud.common.credential as credential
from tencentcloud.common.profile.client_profile import ClientProfile
from tencentcloud.common.profile.http_profile import HttpProfile
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.mps.v20190612 import mps_client, models

cred = credential.Credential("your_secret_id", "your_secret_key")
http_profile = HttpProfile()
http_profile.endpoint = "mps.tencentcloudapi.com"
client_profile = ClientProfile()
client_profile.http_profile = http_profile
client = mps_client.MpsClient(cred, "your_region", client_profile)
req = models.DescribeMediaMetaDataRequest()
req.MediaFilePath = "input.mov"
try:
    resp = client.DescribeMediaMetaData(req)
    duration = resp.MediaMetaData.Duration
    print(duration)
except TencentCloudSDKException as err:
    print(err)