1. brew install automake fdk-aac git lame libass libtool libvorbis libvpx \ opus sdl shtool texi2html theora wget x264 x265 xvid nasm ==> Installing libass dependency: yasm ==> Downloading https://www.tortall.net/projects/yasm/releases/yasm-1.3.0.ta…

1. 在直播时返回AVERROR_EOF代表流结束吗?但对方还在直播,没有结束. int ret = av_read_frame(mContext, pkt); if (ret == AVERROR_EOF)…

yasm是汇编编译器,因为ffmpeg中为了提高效率用到了汇编指令,比如MMX和SSE.解决这个问题方面有两个: 1.在网上下载一个yasm.exe并安装在mingw/bin下面,编译代码时你注意看,会发现asm后缀的文件用的编译器是yasm,c文件用的是gcc: 2.不使用汇编指令,在配置时加上,即./configure  --disable-yasm yasm下载地址:http://yasm.tortall.net/Download.html 下载yasm-1.2.0-cygwin.exe…

1. ffmpeg -i 0.mp4 -vf subtitles=0.srt 1.mp4 https://jingyan.baidu.com/article/c45ad29c73cef2051653e244.html ffmpeg -i subtitle.srt subtitle.ass ffmpeg -i input.mp4 -vf ass=subtitle.ass output.mp4 http://blog.neten.de/posts/2013/10/06/use-ffmpeg-to-b…

1. curl -voa http://119.29.108.104:8080/inweb01/kotlin.mp4 -H "Range:bytes=0-1" https://alanhou.org/domainavfoundationerrordomain-code-11850/…

1.urlsession https - (void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential *credential))completionHandler {…

1.ubuntu ============== sudo apt-get install openjdk-8-jdk https://blog.csdn.net/zhaohaiyitian88/article/details/78885745 ===================== brew install tomcat brew search tomcat brew install tomcat catalina -h #查看帮助 catalina run #运行服务 https://ww…

1.nsobject 单例 sudo chmod 666 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist sudo chmod 777 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/ https://www.jianshu.com/p/09cfecfb1a…

1.iOS瘦身之armv7 armv7s arm64选用 机器对指令集的支持是向下兼容的,因此armv7的指令集是可以运行在iphone5S以上的,只是效率没那么高而已~ 但是由于苹果要求必须支持arm64,因此这个架构是必须存在的.在xcodeTARGETS里边Architectures: tup.png Architecture : 指你想支持的指令集. Valid architectures : 指即将编译的指令集. Build Active Architecture Only : 只是否…

--------------------- 1.pom.xml中添加支持web的模块: <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> pom.xml文件中默认有两个模块: spring-boot-starter:核心模块,包括自动配置支持.日志…