| CentOS6下基于Nginx搭建mp4/flv流媒体服务器(可随意拖动)并支持RTMP/HLS协议(含转码工具) 
 
 
 
	1.先添加几个RPM下载源 
	     1.1)安装RPMforge的CentOS6源[root@AY130611215205Z ~]# wget -c http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
 [root@AY130611215205Z ~]# rpm –import http://apt.sw.be/RPM-GPG-KEY.dag.txt
 [root@AY130611215205Z ~]# rpm -i rpmforge-release-0.5.3-1.el6.rf.*.rpm
 
	     1.2)安装epel源[root@AY130611215205Z ~]# wget -c http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
 [root@AY130611215205Z ~]# rpm -Uvf epel-release-6-8.noarch.rpm
 
	     安装完成,查看一下源列表,看到rpmforge和epel字样即可[root@AY130611215205Z ~]# ls -lh /etc/yum.repos.d
 
	2.安装转码工具Mencoder及ffmpeg(约定:每个小点操作之前先回到用户主目录,即cd ~) 
	     2.1)安装一些基础包,不用担心重复,已经存在的会自动忽略或升级[root@AY130611215205Z ~]# yum install gcc make automake bzip2 unzip patch subversion libjpeg-devel
 [root@AY130611215205Z ~]# wget http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
 [root@AY130611215205Z ~]# tar zxvf yasm-1.2.0.tar.gz
 [root@AY130611215205Z ~]# cd yasm-1.2.0
 [root@AY130611215205Z yasm-1.2.0]# ./configure
 [root@AY130611215205Z yasm-1.2.0]# make && make install
 [root@AY130611215205Z yasm-1.2.0]# cd ~
 
 2.2)卸载系统原有的ffmgeg和x.264,没有则跳过
 [root@AY130611215205Z ~]# yum remove ffmpeg x264
 
	     2.3)先安装一些Mplayer编码库(仅限于64位系统)[root@AY130611215205Z ~]# wget -c http://www2.mplayerhq.hu/MPlayer/releases/codecs/essential-amd64-20071007.tar.bz2
 上面这一步可能在部分VPS上无法下载,比如我的阿里云VPS就提示连接失败,但是可以用本机浏览器下载后上传到VPS的/root根目录去,然后继续下面的操作
 [root@AY130611215205Z ~]# tar xvjf essential-amd64-20071007.tar.bz2
 [root@AY130611215205Z ~]# mkdir /usr/local/lib/codecs
 [root@AY130611215205Z ~]# cp -Rvp essential-amd64-20071007/* /usr/local/lib/codecs/
 
	     编辑下面文件[root@AY130611215205Z ~]# vim /etc/ld.so.conf
 添加以下两行到上面的文件里
 /usr/lib
 /usr/local/lib
 
 2.4)再安装一些格式转换常用的编码库
 [root@AY130611215205Z ~]# yum install faac-devel  lame-devel amrnb-devel opencore-amr-devel amrwb-devel  libvorbis-devel libtheora-devel xvidcore-devel
 
 2.5)安装x.264
 [root@AY130611215205Z ~]# wget ftp://ftp.videolan.org/pub/videolan/x264/snapshots/last_stable_x264.tar.bz2
 [root@AY130611215205Z ~]# tar xvjf last_stable_x264.tar.bz2
 [root@AY130611215205Z ~]# cd x264-snapshot-20140219-2245-stable/     (这可能日期有区别,自己ls一下)
 [root@AY130611215205Z x264-snapshot-20140219-2245-stable]# ./configure –enable-shared –enable-pic
 [root@AY130611215205Z x264-snapshot-20140219-2245-stable]# make && make install
 [root@AY130611215205Z x264-snapshot-20140219-2245-stable]#  cd ~
 
	     2.6)安装libvpx[root@AY130611215205Z ~]# wget http://webm.googlecode.com/files/libvpx-v1.2.0.tar.bz2
 [root@AY130611215205Z ~]# tar xvjf libvpx-v1.2.0.tar.bz2
 [root@AY130611215205Z ~]# cd libvpx-v1.2.0
 [root@AY130611215205Z libvpx-v1.2.0]# ./configure –enable-shared –enable-pic
 [root@AY130611215205Z libvpx-v1.2.0]# make && make install
 [root@AY130611215205Z libvpx-v1.2.0]# cd ~
 
	     2.7)安装FFmpeg[root@AY130611215205Z ~]# wget http://ffmpeg.org/releases/ffmpeg-2.0.1.tar.bz2
 [root@AY130611215205Z ~]# tar xvjf ffmpeg-2.0.1.tar.bz2
 [root@AY130611215205Z ~]# cd ffmpeg-2.0.1
 [root@AY130611215205Z ffmpeg-2.0.1]# ./configure –enable-gpl –enable-version3 –enable-shared –enable-nonfree –enable-postproc –enable-libfaac –enable-libmp3lame –enable-libopencore-amrnb –enable-libopencore-amrwb –enable-libtheora –enable-libvorbis –enable-libvpx –enable-libx264 –enable-libxvid
 [root@AY130611215205Z ffmpeg-2.0.1]# make && make install
 [root@AY130611215205Z ffmpeg-2.0.1]# cd ~
 
 让动态链接库被系统共享
 [root@AY130611215205Z ~]# ldconfig
 
	     2.8)最后安装mencoder[root@AY130611215205Z ~]# yum install mplayer mencoder flvtool2
 
	     查看一下已经安装好的音频和视频编码器查看所有所支持的音频编码
 [root@AY130611215205Z ~]# mencoder -oac help
 查看所有所支持的视频编码
 [root@AY130611215205Z ~]# mencoder -ovc help
 具体结果可参考http://www.mplayerhq.hu/DOCS/HTML/zh_CN/menc-feat-selecting-codec.html
 
	3.安装配置Nginx
 3.1)先安装各种依赖(nginx需要pcre支持,yamdi用来为flv创建关键帧才能随意拖动)
 [root@AY130611215205Z ffmpeg-2.0.1]# yum install gcc gcc-c++ openssl-devel zlib-devel pcre pcre-devel yamdi
 
 3.2)下载所需的nginx模块
 第一个是nginx_mod_h264_streaming,让nginx支持flv/mp4流播放
 [root@AY130611215205Z ~]# wget http://h264.code-shop.com/download/nginx_mod_h264_streaming-2.2.7.tar.gz
 [root@AY130611215205Z ~]# tar zxvf nginx_mod_h264_streaming-2.2.7.tar.gz
 注意:先要修改一下这家伙的源码,注释掉nginx_mod_h264_streaming-2.2.7/src/ngx_http_streaming_module.c的158到161行
 /* TODO: Win32 */
 //if (r->zero_in_uri)
 // {
 //   return NGX_DECLINED;
 // }
 
	     第二个是nginx-rtmp-module,让nginx支持rtmp/hls协议[root@AY130611215205Z ~]# wget -O nginx-rtmp-module.zip  https://github.com/arut/nginx-rtmp-module/archive/master.zip
 [root@AY130611215205Z ~]# unzip nginx-rtmp-module.zip
 下载清缓存的模块
 [root@AY130611215205Z ~]# wget -O ngx_cache_purge.zip https://github.com/FRiCKLE/ngx_cache_purge/archive/master.zip
 [root@AY130611215205Z ~]# unzip ngx_cache_purge.zip
 
 3.3)下载安装nginx
 [root@AY130611215205Z ~]# wget http://nginx.org/download/nginx-1.2.9.tar.gz
 [root@AY130611215205Z ~]# tar zxvf nginx-1.2.9.tar.gz
 [root@AY130611215205Z ~]# cd nginx-1.2.9
 [root@AY130611215205Z nginx-1.2.9]# ./configure –user=daemon –group=daemon –prefix=/usr/local/nginx/ –add-module=../nginx-rtmp-module-master –add-module=../ngx_cache_purge-master –add-module=../nginx_mod_h264_streaming-2.2.7 –with-http_stub_status_module –with-http_ssl_module –with-http_sub_module –with-http_gzip_static_module –with-http_flv_module
 [root@AY130611215205Z nginx-1.2.9]# make && make install
 PS:若提示make[1]: *** [objs/addon/src/ngx_http_h264_streaming_module.o] Error 1,请参考3.3.2小节的注意点,然后重新运行./configure这一段
 
 /**———以下是安装了Tengine后重新编译的代码,模块的路径自己对一下———**//
 ./configure –user=www –group=www –prefix=/usr/local/tengine/ –add-module=../../../nginx-rtmp-module-master –add-module=../../../ngx_cache_purge-master –add-module=../../../nginx_mod_h264_streaming-2.2.7 –with-http_stub_status_module –with-http_ssl_module –with-http_sub_module –with-http_gzip_static_module –with-http_flv_module –with-http_concat_module=shared –with-http_sysguard_module=shared –with-google_perftools_module –with-http_image_filter_module
 
 运行一下nginx
 [root@AY130611215205Z ~]# /usr/local/nginx/sbin/nginx
 然后用浏览器你的服务器IP,看到welcome就对了
 或者到nginx的sbin目录下,运行一下nginx -V,看看列表出来的modules对不对
 
	     3.4)各种配置nginx编辑/usr/local/nginx/conf/nginx.conf文件,最好用sftp软件(如windows下的flashfxp/Mac下的tramnsmit)下载过来本地编辑。
 贴一下我的配置文件:(目录需要自己改动,我用的是阿里云的数据盘,所以到/mnt/里面去了)
 ———————————————————————nginx配置文件—————————————————
 #filename:nginx.conf
 #user  nobody;
 worker_processes  1;
 
	    error_log  logs/error.log;#error_log  logs/error.log  notice;
 #error_log  logs/error.log  info;
 
	    pid        logs/nginx.pid; 
	    events {use epoll;
 worker_connections  1024;
 }
 
	    rtmp {server {
 listen 1935;
 chunk_size 4000;
 
	            # video on demandapplication vod {
 play /mnt/media/vod;
 }
 
	            # HLS# HLS requires libavformat & should be configured as a separate
 # NGINX module in addition to nginx-rtmp-module:
 # ./configure … –add-module=/path/to/nginx-rtmp-module/hls …
 # For HLS to work please create a directory in tmpfs (/tmp/app here)
 # for the fragments. The directory contents is served via HTTP (see
 # http{} section in config)
 #
 # Incoming stream must be in H264/AAC/MP3. For iPhones use baseline H264
 # profile (see ffmpeg example).
 # This example creates RTMP stream from movie ready for HLS:
 #
 # ffmpeg -loglevel verbose -re -i movie.avi  -vcodec libx264
 #    -vprofile baseline -acodec libmp3lame -ar 44100 -ac 1
 #    -f flv rtmp://localhost:1935/hls/movie
 #
 # If you need to transcode live stream use ‘exec’ feature.
 #
 application hls {
 hls on;
 hls_path /mnt/media/app;
 hls_fragment 10s;
 }
 }
 }
 
	    http { 
	        include mime.types;default_type application/octet-stream;
 sendfile on;
 keepalive_timeout 65;
 gzip on;
 
 #log format
 
	        log_format  access  ‘$remote_addr – $remote_user [$time_local] “$request” ‘‘$status $body_bytes_sent “$http_referer” ‘
 ‘”$http_user_agent” $http_x_forwarded_for’;
 
 #定义一个名为addr的limit_zone,大小10M内存来存储session
 limit_conn_zone $binary_remote_addr zone=addr:10m;
 
	        server {listen 8080;
 server_name localhost;
 
	             # HTTP can be used for accessing RTMP stats# This URL provides RTMP statistics in XML
 location /stat {
 rtmp_stat all;
 rtmp_stat_stylesheet stat.xsl;
 }
 location /stat.xsl {
 root /mnt/soft/nginx-rtmp-module-master;
 }
 location /control {
 rtmp_control all;
 }
 location / {
 root /mnt/soft/nginx-rtmp-module-master/test/rtmp-publisher;
 }
 }
 
 server {
 listen 80;
 server_name localhost;
 
 location / {
 root /mnt/wwwroot;
 index index.html;
 }
 
	             location ~ \.flv$ {root /mnt/media/vod;
 flv;
 limit_conn addr 20;
 limit_rate 200k;
 }
 location ~ \.mp4$ {
 root /mnt/media/vod;
 mp4;
 limit_conn addr 20;
 limit_rate 200k;
 }
 
	             location /hls {# Serve HLS fragments
 alias /mnt/media/app;
 }
 
	             access_log  logs/nginxflv_access.log access;}
 
 
 }
 ——————————————————nginx配置文件——————————————
 
 4.把自己的电影转换成mp4和flv格式来测试nginx搭的环境
 
	     4.1)准备两部电影,硬盘上随便找,我找了“谍影重重A.mp4”和“鹿鼎记033.rmvb”,尽量找小一点十来分钟的,等下我们还要看完测试一下转换的结果有没有音影不同步的情况。我把两部电影重命名为 movie1.mp4和 movie2.rmvb,并上传到服务器/mnt/media/video下面,这里目录用来存放我们的原始视频。还有一个目录是/mnt/media/vod 用来存放转换后的视频。
 我这里的具体目录结构为:
 /mnt/media/video -> 存放原始视频
 /mnt/media/app  -> 存放转成m3u8的视频,供http访问(HLS)
 /mnt/media/vod  -> 存放转换后的flv和mp4视频,供http或rtmp访问
 
	     4.2)用ffmpeg转换mp4文件(ffmpeg不支持rmvb)[root@AY130611215205Z ~]# cd /mnt/media/video/
 [root@AY130611215205Z video]# ffmpeg -i movie1.mp4 -y -vcodec libx264 -vf scale=”640:-1″ -r 15 -acodec libfaac ../vod/movie1.flv
 -y:文件覆盖,-vf scale=”640:-1”:尺寸调整为宽度640高度自动,-r 15:帧数15fps,这里用libfaac音频编码防止转成ts格式时iPhone没有声音
 
 添加关键帧用来支持拖动播放
 [root@AY130611215205Z video]# cd ../vod
 [root@AY130611215205Z vod]# mv movie1.flv movie1-src.flv
 [root@AY130611215205Z vod]# yamdi -i movie1-src.flv -o movie1.flv
 [root@AY130611215205Z vod]# rm -rf movie1-src.flv
 
	     接下来测试的话,下载VLC Player到本地测试(VLC有时候会花屏,用JWPlayer就好了),或者不行麻烦的话装一个apache服务器并下载JWPlayer来测试。测试播放地址为(地址已失效,请勿访问):
 HTTP形式访问:      http://121.199.47.208/movie1.flv
 RTMP形式访问:      rtmp://121.199.47.208/vod/movie1.flv
 
	     4.3)用mencoder转换rmvb文件
 4.4)把flv转换成hls的m3u8
 下载安装segmenter
 [root@AY130611215205Z ~]# yum install -y curl curl-devel zlib-devel openssl-devel perl perl-devel cpio expat-devel gettext-devel git
 [root@AY130611215205Z ~]# git clone https://github.com/johnf/m3u8-segmenter.git
 [root@AY130611215205Z ~]# cd m3u8-segmenter/
 [root@AY130611215205Z m3u8-segmenter]# gcc -Wall -g m3u8-segmenter.c -o segmenter -lavformat
 [root@AY130611215205Z m3u8-segmenter]# cp segmenter /usr/bin/
 
 转换成ts,片源大小及清晰度等取决于flv文件,所以转成flv的时候一定要统一起来
 [root@AY130611215205Z vod]# cd /mnt/media/vod
 [root@AY130611215205Z vod]# mkdir /mnt/media/app/movie1/
 [root@AY130611215205Z vod]# ffmpeg -y -i movie1.flv -f mpegts -c:v copy -c:a copy -vbsf h264_mp4toannexb /mnt/media/app/movie1/main.ts
 
 切片
 [root@AY130611215205Z movie1]# cd /mnt/media/app/movie1/
 [root@AY130611215205Z movie1]# segmenter -i main.ts -d 10 -p movie1 -m movie1.m3u8 -u http://121.199.47.208/hls/movie1/
 -d 10:每个切片为10秒,-p movie1:切片的名字的前缀
 -u URL地址:m3u8中播放列表的地址前缀,自己cat一下生成的movie1.m3u8就知道什么用 了
 
 
	     测试一下,用iPhone的Safari访问一下http://121.199.47.208/hls/movie1/movie1.m3u8 
	     注:安装日志记录于半年前的evernote,现在才贴出来的,所以文中的视频访问地址都已经失效了。(责任编辑:IT) |