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x264码率控制方法介绍1
1.  X264显式支持的一趟码率控制方法有:ABR, CQP, CRF. 缺省方法是CRF。这三种方式的优先级是ABR > CQP > CRF.     if ( bitrate )                rc_method = ABR;     else if ( qp || qp_constant ) rc_method = CQP;     else             ...
分类:其他好文   时间:2014-11-17 09:14:59    阅读次数:166
OpenCV Tutorials —— Changing the contrast and brightness of an image
Brightness and contrast adjustments Two commonly used point processes are multiplication and addition with a constant: The parameters and are often ca...
分类:其他好文   时间:2014-11-16 21:24:27    阅读次数:263
STL 小结
看C++ STL一个月了,小结下这个阶段的学习所得;      容器是以class template完成;内存管理师由memory pool完成;算法是由function template完成;仿函数(函数对象)是一种将operation ( )重载了的class template;迭代器是泛型指针,也是种智能指针,将operator++、operator * 等指针习惯行为重载的class t...
分类:其他好文   时间:2014-11-16 16:00:02    阅读次数:209
Sort List
Sort a linked list inO(nlogn) time using constant space complexity.分析:merge sort。class Solution {public: ListNode *sortList(ListNode *head) { ...
分类:其他好文   时间:2014-11-16 15:51:43    阅读次数:210
leetcode Min Stack
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack.pop() -- Removes the element on top of the stack.top() -- Get ...
分类:其他好文   时间:2014-11-16 13:30:08    阅读次数:174
Min Stack
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Remov...
分类:其他好文   时间:2014-11-15 23:12:56    阅读次数:193
MySQL体系结构
MySql体系结构图,Mysql是由SQL接口,解析器,优化器,缓存,存储引擎组成的1 Connectors指的是不同语言中与SQL的交互2 Management Serveices & Utilities: 系统管理和控制工具 3 Connection Pool: 连接池。管理缓冲用户连接,线程处...
分类:数据库   时间:2014-11-14 22:34:37    阅读次数:160
区别deque vector 和数组
Leetcode更新到155题了,这个easy的题acceptance却不高,我好奇的点开了它。Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(...
分类:编程语言   时间:2014-11-14 19:24:03    阅读次数:240
LeetCode Solutions : Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. Y...
分类:其他好文   时间:2014-11-14 14:22:50    阅读次数:164
PHP运行出现Notice : Use of undefined constant 的解决办法
PHP运行出现Notice : Use of undefined constant 的解决办法Notice: Use of undefined constant ALL_PS - assumed 'ALL_PS' in E:\Server\vhosts\www.lvtao.net\global.ph...
分类:Web程序   时间:2014-11-14 10:37:40    阅读次数:222
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