<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dinghua6449的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dinghua6449</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dinghua6449]]></copyright><item><title><![CDATA[使用flv.js做直播]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575343</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575343</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:11:00 +0800</pubDate><description><![CDATA[来自：https://github.com/gwuhaolin/blog/issues/3#issue-229271574
为什么要在这个时候探索flv.js做直播呢？原因在于各大浏览器厂商已经默认禁用Flash，之前常见的Flash直播方案需要用户同意使用Flash后才可以正常使用直播功能，这样的用户体验很致命。
在介绍flv.js之前先介绍下常见的直播协议以及给出我对它们的延迟与...]]></description><category></category></item><item><title><![CDATA[windows 前后端分离  开机自启]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575342</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575342</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:10:00 +0800</pubDate><description><![CDATA[后端： windows 开机启动
1、安装：nodejs 环境https://nodejs.org/en/download/
2、cd d:/richisland/bin/video/server 执行 npm install node-windows --save
3、server根目录创建service.js 内容如下：
let Service = require('no...]]></description><category></category></item><item><title><![CDATA[shell脚本-某目录文件大于n时删除前m个文件]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575341</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575341</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:10:00 +0800</pubDate><description><![CDATA[为保证某个目录下的文件系统有可用的空间，可以进行一些自动的删除操作，下面的脚本是在目录下文件数达到15之后，删除前5个文件，如下：-bash-3.00# more rm_fileN-M.s

#!/bin/shusage=`ls -l /oracle/backup|wc -l`if [ $usage -ge 15 ] thenls -l /oracle/backup |grep a...]]></description><category></category></item><item><title><![CDATA[linux 查看磁盘占用情况]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575340</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575340</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:10:00 +0800</pubDate><description><![CDATA[#!/bin/bash
#取得每个分区的使用百分比（不要百分号）
percent=`df-k|grep-vFilesystem|awk'{printint($5)}'`

查看每个分区：
df -k | grepFilesystem

查看指定分区：
df -k | grep sda

#循环判断分区使用率是否超过90%
foreach_one...]]></description><category></category></item><item><title><![CDATA[nodejs restful 的api文档生成]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575339</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575339</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:10:00 +0800</pubDate><description><![CDATA[1、apidoc的官网
http://apidocjs.com

2、安装nodejs环境，安装apidoc
npm install apidoc -g

3、在项目根目录创建：apidoc.json；如：

{
　　"name": "video-server",
　　"version": "1.0.0",
　　"description": "video-se...]]></description><category></category></item><item><title><![CDATA[nginx限制下载速度]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575338</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575338</guid><author>dinghua6449</author><pubDate>Thu, 03 Jan 2019 21:10:00 +0800</pubDate><description><![CDATA[1、nginx.conf配置
http {
  ...
  limit_conn_zone $binary_remote_addr zone=addr:10m;
  ...
  include configs/nginx/nginx_http/*.conf;
}
2、配置nginx_http文件：
server {    　　listen 80;
    　　serve...]]></description><category></category></item><item><title><![CDATA[海康摄像头音视频配置参数说明]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575336</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575336</guid><author>dinghua6449</author><pubDate>Thu, 27 Dec 2018 16:35:00 +0800</pubDate><description><![CDATA[1、帧类型：包括I帧、P帧和B帧。其中I帧为关键帧，一帧就是一幅完整画面，P帧为帧间预测编码帧，需要参考前面的I帧或P帧的不同部分才能进行组成一幅完整画面，B帧为双向预测编码帧，需要同时以前面的帧和后面的帧作为参考帧才能进行组成一幅完整画面。
2、DVR中关于帧的设置有两处：
a)其中一个是帧类型，有两种选择，“BBP”和“单P”，其中“BBP”标识视频的画面是按IBBPBBPBBP...]]></description><category></category></item><item><title><![CDATA[ffmpeg剪切 合成视频]]></title><link>https://blog.youkuaiyun.com/dinghua6449/article/details/101575334</link><guid>https://blog.youkuaiyun.com/dinghua6449/article/details/101575334</guid><author>dinghua6449</author><pubDate>Wed, 19 Dec 2018 13:58:00 +0800</pubDate><description><![CDATA[1、截取：ffmpeg-i1.mp4-ss00:46:15-ccopy-t02:00:00out1.mp42、合并：ffmpeg-iout1.mp4-vcodeccopy-acodeccopy-vbsfh264_mp4toannexb1.tsffmpeg-iout2.mp4-vcodeccopy-acodeccopy-v...]]></description><category></category></item></channel></rss>