摘要: https://blog.csdn.net/f823154/article/details/82900867 http://www.ruanyifeng.com/blog/2020/01/ffmpeg.html?utm_source=tuicool&utm_medium=referral http: 阅读全文
posted @ 2025-06-05 14:39 VoidSalts 阅读(13) 评论(0) 推荐(0)
摘要: 内置整数类型(如int、unsinged int、char、short)变量赋值时,如果右侧数值实际位宽大于左侧变量位宽,存在高位截断现象: int a = 257; unsigned char b = a; // 实际b的值为1,高位被直接截断 float c = 3.7e38; // 实际c的值 阅读全文
posted @ 2025-04-28 14:19 VoidSalts 阅读(15) 评论(0) 推荐(0)