好好学习,天天向上
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<p>在虚拟机上yuv420可以正常显示 ,而945(D525)模块上却无法显示 ,后来验证了directdraw的yuv420也无法显示 ,由此怀疑显卡不支持 ,后把420转换为422显示。</p> <p>420显示如下:</p> <p></p> <pre code_snippet_id="1682097" snippet_file_name="blog_20160513_1_4130927
<p style="color: rgb(51, 51, 51); font-family: tahoma, 宋体; font-size: 14px; line-height: 22px; text-align: justify; background-color: rgb(250, 250, 252);">1、确认Makefile中指定的config.mak(在ffmpeg根目录下)中:CO
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<p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">linux下有没有TurboC2.0那样的画点、线、圆的图形函数库,有没有grapihcs.h,或者与之相对应或相似的函数库是什么?有没有DirectX这样的游戏开发库?SDL就是其中之一。</p> <br sty
Linux忘记开机密码怎么办?<br>1. 开机ESC/Shift,在出现grub画面时,用上下键选中你平时启动linux的那一项,然后按e键<br>2. 再次用上下键选中你平时启动linux的那一项(类似于kernel/boot/vmlinuz-2.4.18-14 ro root=LABEL=/),然后按e键<br>3. 修改你现在见到的命令行,加入single,结果如下:<br>kerne
<p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;"><span style="font-family: 'andale mono', times;"><span style="font-size:12px;">一、ldconfig<br></span></span>
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<p><a target="_blank" id="copybut24798" class="copybut" data="24798" style="cursor: pointer;"><u>复制代码</u></a> 代码如下:</p> <div id="code24798" class="codebody"> <br> if list then <br> do
<span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">如果不考虑内存大小的限制,在linux下面,fd (即file descriptor)的数量来自2个限制(阈值)。</span><br style="color: rgb(51, 51, 51); font-
<span style="line-height: 22.390625px; font-family: 宋体, Arial, Helvetica, san-serif; font-size: 14px;">我们有时候有需要在busybox基础上,制作linux,可是却不知道具体怎么做,这里将对基于busybox的linux小系统制作做出详细的步骤说明。</span><br style="lin
<span style="font-family: 'microsoft yahei';"> </span><h1 style="margin: 0px; padding: 0px; display: inline-block; vertical-align: middle; font-size: 18px; font-family: 'microsoft yahei';"><span cla
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<span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 13px; line-height: 26px;"><strong>第一步:裁减内核</strong></span><br style="color: rgb(51, 51, 51); font-family: Arial; font-size: 13px;
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<p style="color: rgb(51, 51, 51); font-family: tahoma, 宋体; font-size: 14px; line-height: 22px; text-align: justify; background-color: rgb(250, 250, 252);">前面“Linux应用程序Helloworld入门”已经提到在Linux下每个可执行文件
<p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; color: rgb(89, 145, 0); font-family: 微软雅黑, 黑体; font-size: 18px; line-height: 20px;">通过grub-install命令把grub安装到u盘</
<div style="border-width: 0px; padding: 0px; margin: 0px; list-style: none; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; line-height: 28px;">给vmware的Linux<a target="_blank" href="http:/
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1、运行Diskgenius,记住一定要在纯Dos下运行、这样你后面做的工作才会生效,运行后它会自动检测当前硬盘并将每个分区的信息详细提供给你。<br>左边柱形图表示硬盘、有几截就代表有几个分区,最下面深蓝色的是主分区,上面一大截灰色的是被误克隆后丢失的分区(现在变成了未分配区域),我们要做的工作就是把这一大截灰色区域恢复成原来的样子(正常是带网格的蓝色);右边的图表是硬盘及各分区的参数信息、
<pre code_snippet_id="1649334" snippet_file_name="blog_20160416_1_7915689" name="code" class="cpp">FILE * fd=fopen("\\\\.\\PHYSICALDRIVE0","rb+"); char buffer[512]; fread(buffer,512,1,fd); //then yo
<p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; font-family: Tahoma; line-height: 24px; font-size: 12.381px;"><span style="margin: 0px; padding: 0px; list-style
<p style="margin-top: 0px; margin-bottom: 1.5em; padding-top: 0px; padding-bottom: 0px; list-style: none; color: rgb(51, 51, 51); font-family: Helvetica, Tahoma, Arial, sans-serif; font-size: 14px;
<p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; color: rgb(85, 85, 85); font-family: 'microsoft yahei'; font-size: 15px; line-height: 35px;"><strong>大数据应用正在从概念走
<p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">http://blog.csdn.net/hellochina15/article/details/49722815<br></p> <p style="color: rgb(51, 51, 51); font-f
<p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">http://blog.csdn.net/hellochina15/article/details/7253350<br></p> <p style="color: rgb(51, 51, 51); font-fa
<p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; font-family: Arial; font-size: 14px; line-height: 26px;">上一篇文章,<a target="_blank" href="http://blog.csdn.net/sha
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<p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">常用YUV转RGB </p> <div class="dp-highlighter bg_java" style="font-family: Consolas, 'Courier New', Courier, mo
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<p align="left"><span style="color:#002060;">bootloader</span><span style="color:#002060;">支持启动多个</span><span style="color:#002060;">Linux</span></p> <p align="left">内核安装(X86平台)</p> <p align="left">
<span style="font-family: song, Verdana; font-size: 14px; line-height: 22.390625px; background-color: rgb(240, 243, 250);">花了一天的时间,终于把ubuntu12.04 的linux内核版本从3.13.0升级到3.4.0 升级后,系统更加稳定.</span><br styl
<p style="margin: 10px auto; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19px; background-color: rgb(249, 252, 233);">在Linux操作系统中,有一项特殊的功能——初始化内存盘INITRD
<p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; font-family: Arial; font-size: 14px; line-height: 26px;"><span style="font-size: 18px;">首先简单介绍一下CAN总线,关于CAN总线是谁发
<p style="color:rgb(51, 51, 51);">nt send( SOCKET s, const char FAR *buf, int len, int flags );</p> <p style="color:rgb(51, 51, 51);">不论是客户还是服务器应用程序都用send函数来向TCP连接的另一端发送数据。客户程序一般用send函数向服务器发送请求,而服务器
<div style="top: 0px;"></div>每次开机都自动检查磁盘,检测通过后下次还是一样,NTFS/FAT32分区都有可能有这样的情况,即使重装系统,仍可能出现同样情况,但是<a target="_blank" class="baidu-highlight" href="https://www.baidu.com/s?wd=%E7%A1%AC%E7%9B%98&tn
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<h2 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; line-height: 26px;">1.CAN协议</h2> <h3 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; l
<h1 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; line-height: 26px;"><span style="font-size: 18px;">CAN协议和标准规范<br></span></h1> <h1 style="margin: 0px; padding: 0px;
<h2 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; line-height: 26px;">1.CAN总线是什么?</h2> <p style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-hei
<p>TCP/IP</p> <p>资源:<a target="_blank" href="http://download.csdn.net/detail/mao0514/9061265">http://download.csdn.net/detail/mao0514/9061265</a></p> <p>server:</p> <p></p> <pre name="code" class="c
<p><span style="font-family: Simsun; font-size: 14px; background-color: rgb(209, 217, 226);"> 我用串口精灵发送数据没有问题,但是接收数据没反应。</span></p> <p><span style="font-family: Simsun; font-size: 14px; background-c
<div style="margin: 0px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif, 脣脦脤氓; line-height: 20px;"><span style="margin: 0px; font-size: 12pt;">stm32的GPIO的配置模式有好几种,包括:</span></div>
<div style="color: rgb(51, 51, 51); font-size: 14px; line-height: 26px; font-family: 微软雅黑;">例子为单片机的“Hello World”级的<strong>流水灯实验</strong>——虽然只有一个,其中并不是将完整的代码给出,只是给出关键部分来说明“如何调用ST公司的的库来完成对硬件的控制,以及对库文件
<p>以 led闪烁中的flashLed函数例子:</p> <p></p> <pre id="best-content-772498845" accuse="aContent" class="best-text mb-10" style="margin-top: 0px; margin-bottom: 10px; padding: 0px; font-family: arial, 'couri
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