摘要：
ffmpeg -y -i "demo_08.avi" -acodec aac -ab 128k -ac 2 -strict experimental -vcodec libx264 -preset slow -threads 42 -crf 26 "demo_08.mp4" 阅读全文
摘要：
# coding:utf-8import cv2, os, sysimport numpy as np '''XSQ_20190130155258_20190130174000.mp4 [[0,420],[1920,360]]'''video_name = 'XSQ_20190130155258_2 阅读全文