【配置】Nginx(tengine)添加mp4流媒体支持
2019年04月13日 19:55:26 作者:Jiaozn 分类:Nginx 评论(0)Nginx(tengine)添加mp4流媒体支持
#网上下载nginx_mod_h264_streaming-2.2.7.tar.gz
#解压
#tar -xzvf nginx_mod_h264_streaming-2.2.7.tar.gz
#cd nginx_mod_h264_streaming-2.2.7
修改Makefile文件中NGINX项的值为NGINX=$(HOME)/nginx-1.6.2/ ，nginx-1.6.2为你安装的nginx的版本
#vim Makefile
#vim nginx_mod_h264_streaming-2.2.7/src/ngx_http_streaming_module.c
以下
TODO: Win32
if (r->zero_in_uri)
{
return NGX_DECLINED;
}
改成
/*
TODO: Win32
if (r->zero_in_uri)
{
return NGX_DECLINED;
}
*/
#首先执行命令找到nginx路径
#ps aux | grep nginx
==1#查看编译参数,在原有参数基础上增加模块
#cd /usr/local/nginx/sbin
#./nginx -V
Tengine version: Tengine/2.1.0 (nginx/1.6.2)
built by gcc 4.4.7 20120313 (Red Hat4.4.7-11) (GCC)
TLS SNI support enabled
configurearguments: --add-module=/root/nginx_mod_h264_streaming-2.2.7--prefix=/usr/local/nginx --with-http_stub_status_module--with-openssl=/root/openssl-1.0.2a --with-pcre=/root/pcre-8.13--with-http_mp4_module --with-http_flv_module
loaded modules:
ngx_core_module (static)
ngx_errlog_module (static)
ngx_conf_module (static)
ngx_dso_module (static)
ngx_syslog_module (static)
ngx_events_module (static)
ngx_event_core_module (static)
ngx_epoll_module (static)
ngx_procs_module (static)
ngx_proc_core_module (static)
ngx_openssl_module (static)
ngx_regex_module (static)
ngx_http_module (static)
ngx_http_core_module (static)
ngx_http_log_module (static)
ngx_http_upstream_module (static)
ngx_http_static_module (static)
ngx_http_autoindex_module (static)
ngx_http_index_module (static)
ngx_http_auth_basic_module (static)
ngx_http_access_module (static)
ngx_http_limit_conn_module (static)
ngx_http_limit_req_module (static)
ngx_http_geo_module (static)
ngx_http_map_module (static)
ngx_http_split_clients_module (static)
ngx_http_referer_module (static)
ngx_http_rewrite_module (static)
ngx_http_ssl_module (static)
ngx_http_proxy_module (static)
ngx_http_fastcgi_module (static)
ngx_http_uwsgi_module (static)
ngx_http_scgi_module (static)
ngx_http_memcached_module (static)
ngx_http_empty_gif_module (static)
ngx_http_browser_module (static)
ngx_http_user_agent_module (static)
ngx_http_flv_module (static)
ngx_http_mp4_module (static)
ngx_http_upstream_ip_hash_module (static)
ngx_http_upstream_consistent_hash_module (static)
ngx_http_upstream_check_module (static)
ngx_http_upstream_least_conn_module (static)
ngx_http_reqstat_module (static)
ngx_http_upstream_keepalive_module (static)
ngx_http_upstream_dynamic_module (static)
ngx_http_stub_status_module (static)
ngx_http_write_filter_module (static)
ngx_http_header_filter_module (static)
ngx_http_chunked_filter_module (static)
ngx_http_range_header_filter_module (static)
ngx_http_gzip_filter_module (static)
ngx_http_postpone_filter_module (static)
ngx_http_ssi_filter_module (static)
ngx_http_charset_filter_module (static)
ngx_http_userid_filter_module (static)
ngx_http_footer_filter_module (static)
ngx_http_trim_filter_module (static)
ngx_http_headers_filter_module (static)
ngx_http_upstream_session_sticky_module (static)
ngx_http_h264_streaming_module (static)
ngx_http_copy_filter_module (static)
ngx_http_range_body_filter_module (static)
ngx_http_not_modified_filter_module (static)
==2#进入nginx（tengine）源码目录
# cd tengine-2.1.0
执行以下(在原有参数基础上增加模块)
./configure --add-module=/root/nginx_mod_h264_streaming-2.2.7\
--prefix=/usr/local/nginx \
--with-http_stub_status_module \
--with-openssl=/root/openssl-1.0.2a \
--with-pcre=/root/pcre-8.13 \
--with-http_mp4_module \
--with-http_flv_module
==3#只需make不需要make install 【makeclean / make】
#make
==4#备份nginx并拷贝新的
#mv /usr/local/nginx/sbin/nginx/usr/local/nginx/sbin/nginx.old
#cp objs/nginx /usr/local/nginx/sbin/nginx
#配置文件
#vim /usr/local/nginx/conf/nginx.conf
location~* \.(gif|jpg|png|bmp|mp4|mp3)$ {
root /bamboodata;
index index.html index.htm;
access_log logs/custom.log wscstatic ;
}
location ~* .*.mp4$ {
mp4;
}
location~* .flv$ {
flv;
}
#测试
#cd /usr/local/nginx/sbin
#./nginx -t
#平滑重启
#./nginx -s reload
#查看编译参数
#cd /usr/local/nginx/sbin
#./nginx -V
[root@10-10-78-50 sbin]# ./nginx -V
Tengine version: Tengine/2.1.0 (nginx/1.6.2)
built by gcc 4.4.7 20120313 (Red Hat4.4.7-11) (GCC)
TLS SNI support enabled
configurearguments: --add-module=/root/nginx_mod_h264_streaming-2.2.7--prefix=/usr/local/nginx --with-http_stub_status_module--with-openssl=/root/openssl-1.0.2a --with-pcre=/root/pcre-8.13--with-http_mp4_module --with-http_flv_module
loaded modules:
ngx_core_module (static)
ngx_errlog_module (static)
ngx_conf_module (static)
ngx_dso_module (static)
ngx_syslog_module (static)
ngx_events_module (static)
ngx_event_core_module (static)
ngx_epoll_module (static)
ngx_procs_module (static)
ngx_proc_core_module (static)
ngx_openssl_module (static)
ngx_regex_module (static)
ngx_http_module (static)
ngx_http_core_module (static)
ngx_http_log_module (static)
ngx_http_upstream_module (static)
ngx_http_static_module (static)
ngx_http_autoindex_module (static)
ngx_http_index_module (static)
ngx_http_auth_basic_module (static)
ngx_http_access_module (static)
ngx_http_limit_conn_module (static)
ngx_http_limit_req_module (static)
ngx_http_geo_module (static)
ngx_http_map_module (static)
ngx_http_split_clients_module (static)
ngx_http_referer_module (static)
ngx_http_rewrite_module (static)
ngx_http_ssl_module (static)
ngx_http_proxy_module (static)
ngx_http_fastcgi_module (static)
ngx_http_uwsgi_module (static)
ngx_http_scgi_module (static)
ngx_http_memcached_module (static)
ngx_http_empty_gif_module (static)
ngx_http_browser_module (static)
ngx_http_user_agent_module (static)
ngx_http_flv_module (static)
ngx_http_mp4_module (static)
ngx_http_upstream_ip_hash_module (static)
ngx_http_upstream_consistent_hash_module (static)
ngx_http_upstream_check_module (static)
ngx_http_upstream_least_conn_module (static)
ngx_http_reqstat_module (static)
ngx_http_upstream_keepalive_module (static)
ngx_http_upstream_dynamic_module (static)
ngx_http_stub_status_module (static)
ngx_http_write_filter_module (static)
ngx_http_header_filter_module (static)
ngx_http_chunked_filter_module (static)
ngx_http_range_header_filter_module (static)
ngx_http_gzip_filter_module (static)
ngx_http_postpone_filter_module (static)
ngx_http_ssi_filter_module (static)
ngx_http_charset_filter_module (static)
ngx_http_userid_filter_module (static)
ngx_http_footer_filter_module (static)
ngx_http_trim_filter_module (static)
ngx_http_headers_filter_module (static)
ngx_http_upstream_session_sticky_module (static)
ngx_http_h264_streaming_module (static)
ngx_http_copy_filter_module (static)
ngx_http_range_body_filter_module (static)
ngx_http_not_modified_filter_module (static)
其他命令
【停止nginx】
#cd/usr/local/nginx/sbin
#servicenginx stop
【启动nginx】
#cd/usr/local/nginx/sbin
#./nginx
【查看状态】
#cd/usr/local/nginx/sbin
#servicenginx status
---------------------
222222222222222222222222222
--------------
前提：
在linux下某个目录中新建一个nginx目录。
然后进入该目录去下载搭建环境所需要的一些资源包。
此处在 /root/ 目录下新建一个nginx目录即：
/root/nginx/
====================================
1、安装依赖包:
#yum -y install gcc glibc glibc-devel make nasm pkgconfig lib-devel openssl-devel expat-devel gettext-devel libtool mhash.x86_64 perl-Digest-SHA1.x86_64
2、安装相关工具包
1). git
# mkdir soft-source
# cd soft-source
# wget http://codemonkey.org.uk/projects/git-snapshots/git/git-latest.tar.xz
# xz -d git-latest.tar.xz
# tar xzvf git-latest.tar
# cd git-2014-06-27
# autoconf
# ./configure
# make && make install
# git --version
git version 2.0.0.GIT
# cd ..
2). zlib
# wget http://zlib.net/zlib-1.2.8.tar.gz
# tar -zxvf zlib-1.2.8.tar.gz cd zlib-1.2.8
# ./configure
# make
# make install
# cd ..
3). pcre
# wget http://exim.mirror.fr/pcre/pcre-8.12.tar.gz
# tar zxvf pcre-8.12.tar.gz
# cd pcre-8.12
# ./configure
# make && make install
# cd ..
4). yadmi
yadmi的作用是为flv文件添加关键帧，才能实现拖动播放
# wget http://sourceforge.net/projects/yamdi/files/yamdi/1.4/yamdi-1.4.tar.gz/download
# tar xzvf download
# cd yamdi-1.4
# make && make install
# cd ..
使用方法：
# yamdi -i input.flv -o out.flv
给input.flv文件 添加关键帧，输出为out.flv文件
5). OpenSSL
# wget http://www.openssl.org/source/openssl-1.0.1c.tar.gz
# tar -zxvf openssl-1.0.1c.tar.gz
# ./config
# make
# make install
3、安装ffmpeg及其依赖包：
1). Yasm
# wget http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
# tar xzvf yasm-1.2.0.tar.gz
# cd yasm-1.2.0
# ./configure
# make
# make install
# cd ..
2). x264
# git clone git://git.videolan.org/x264
# cd x264
# ./configure --enable-shared
# make
# make install
# cd ..
3). LAME
# wget http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz
# tar xzvf lame-3.99.5.tar.gz
# cd lame-3.99.5
#./configure --enable-nasm
# make
# make install
# cd ..
4). libogg
# wget http://downloads.xiph.org/releases/ogg/libogg-1.3.0.tar.gz
# tar xzvf libogg-1.3.0.tar.gz
# cd libogg-1.3.0
# ./configure
# make
# make install
# cd ..
5). libvorbis
# wget http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.3.tar.gz
# tar xzvf libvorbis-1.3.3.tar.gz
# cd libvorbis-1.3.3
# ./configure
# make
# make install
# cd ..
6). libvpx
# git clone http://git.chromium.org/webm/libvpx.git
# cd libvpx
# ./configure --enable-shared
# make
# make install
# cd ..
7). FAAD2
# wget http://downloads.sourceforge.net/project/faac/faad2-src/faad2-2.7/faad2-2.7.tar.gz
# tar zxvf faad2-2.7.tar.gz
# cd faad2-2.7
# ./configure
# make
# make install
# cd ..
8). FAAC
# wget http://downloads.sourceforge.net/project/faac/faac-src/faac-1.28/faac-1.28.tar.gz
# tar zxvf faac-1.28.tar.gz
# cd faac-1.28
# ./configure
# make
# make install
# cd ..
注：编译时可能遇到一下错误：
mpeg4ip.h:126: error: new declaration ‘char* strcasestr(const char*, const char*)’
解决方法：
从123行开始修改此文件mpeg4ip.h，到129行结束。
修改前：
#ifdef __cplusplus
extern "C" {
#endif
char *strcasestr(const char *haystack, const char *needle);
#ifdef __cplusplus
}
#endif
修改后：
#ifdef __cplusplus
extern "C++" {
#endif
const char *strcasestr(const char *haystack, const char *needle);
#ifdef __cplusplus
}
#endif
9). Xvid
# wget http://downloads.xvid.org/downloads/xvidcore-1.3.2.tar.gz
# tar zxvf xvidcore-1.3.2.tar.gz
# cd xvidcore/build/generic
# ./configure
# make
# make install
# cd ..
10). ffmpeg
# git clone git://source.ffmpeg.org/ffmpeg
# cd ffmpeg
# ./configure --prefix=/opt/ffmpeg/ --enable-version3
--enable-libvpx --enable-libfaac --enable-libmp3lame
--enable-libvorbis --enable-libx264 --enable-libxvid
--enable-shared --enable-gpl --enable-postproc --enable-nonfree
--enable-avfilter --enable-pthreads
# make && make install
# cd ..
修改/etc/ld.so.conf如下:
include ld.so.conf.d/*.conf
/lib
/lib64
/usr/lib
/usr/lib64
/usr/local/lib
/usr/local/lib64
/opt/ffmpeg/lib
# ldconfig
二、安装Nginx相关模块
1. 模块安装
# wget http://h264.code-shop.com/download/nginx_mod_h264_streaming-2.2.7.tar.gz
# tar zxvf nginx_mod_h264_streaming-2.2.7.tar.gz
# git clone git://github.com/arut/nginx-rtmp-module.git
2. 创建用户和组
# groupadd www
# useradd -g www www
3. nginx安装
# wget http://nginx.org/download/nginx-1.6.0.tar.gz
# tar zxvf nginx-1.6.0.tar.gz
# cd nginx-1.6.0
4.编译安装nginx
在nginx-1.6.0目录下新建文件：nginx_configure.sh
然后使用gedit 打开进行编辑：
#!/bin/sh echo "configure start ..." ./configure \ --prefix=/usr/local/nginx \ --sbin-path=/usr/local/nginx/nginx \ --conf-path=/usr/local/nginx/nginx.conf \ --pid-path=/usr/local/nginx/nginx.pid \ --error-log-path=/usr/local/nginx/logs/error.log \ --add-module=../nginx_mod_h264_streaming-2.2.7 \ --with-pcre=../pcre-8.12 \ --with-zlib=../zlib-1.2.8 \ --with-http_dav_module \ --with-http_flv_module \ --with-http_stub_status_module \ --without-http_scgi_module \ --without-http_uwsgi_module \ --without-http_gzip_module \ --without-http_ssi_module \ --without-http_proxy_module \ --without-http_memcached_module \ --without-http_empty_gif_module \ --without-mail_pop3_module \ --without-mail_imap_module \ --without-mail_smtp_module \ --with-http_ssl_module \ --with-openssl=../openssl-1.0.1c \ --add-module=../nginx-rtmp-module \ --with-cc-opt=-I/opt/ffmpeg/include \ --with-ld-opt=`-L/opt/ffmpeg/lib -Wl, -rpath=/opt/ffmpeg/lib` echo "configure end!"
【保存并退出】
# chmod +x nginx_configure.sh
# ./nginx_configure.sh
# make
# make install
备注：
在执行make的时候可能出现错误1：
adding module in ../nginx_mod_h264_streaming-2.2.7
+ ngx_http_h264_streaming_module was configured
adding module in ../nginx-rtmp-module
+ ngx_rtmp_module was configured
checking for OpenSSL library ... not found
./configure: error: SSL modules require the OpenSSL library.
You can either do not enable the modules, or install the OpenSSL library
into the system, or build the OpenSSL library statically from the source
with nginx by using --with-openssl=<path> option.
configure end!
root@ubuntu:/home/song/nginx-t/nginx-1.6.0# make
make: *** No rule to make target `build', needed by `default'. Stop.
解决方法：
a)可以安装ssl
apt-get install openssl
apt-get install libssl-dev
b)也可以添加
--with-openssl=<path>
在执行make的时候可能出现错误2：
/root/nginx_mod_h264_streaming-2.2.7/src/ngx_http_streaming_module.c: In function ‘ngx_streaming_handler’:
/root/nginx_mod_h264_streaming-2.2.7/src/ngx_http_streaming_module.c:158: error: ‘ngx_http_request_t’ has no member named ‘zero_in_uri’
make[1]: *** [objs/addon/src/ngx_http_h264_streaming_module.o] Error 1
make[1]: Leaving directory `/root/nginx-0.8.54'
make: *** [build] Error 2
解决方法：
那么将src/ngx_http_streaming_module.c文件中以下代码删除或者是注释掉就可以了：
/* TODO: Win32 */
if (r->zero_in_uri)
{
return NGX_DECLINED;
}
在执行make的时候可能出现错误3：
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c: 在函数‘esds_read’中:
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:377:16: 错误： 变量‘stream_priority’被设定但未被使用 [-Werror=unused-but-set-variable]
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:376:12: 错误： 变量‘stream_id’被设定但未被使用 [-Werror=unused-but-set-variable]
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c: 在函数‘stsd_parse_vide’中:
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:529:22: 错误： 变量‘level_indication’被设定但未被使用 [-Werror=unused-but-set-variable]
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:528:22: 错误： 变量‘profile_compatibility’被设定但未被使用 [-Werror=unused-but-set-variable]
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:527:22: 错误： 变量‘profile_indication’被设定但未被使用 [-Werror=unused-but-set-variable]
../nginx_mod_h264_streaming-2.2.7/src/mp4_reader.c:526:22: 错误： 变量‘configuration_version’被设定但未被使用 [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors
make[1]: *** [objs/addon/src/mp4_reader.o] 错误 1
解决方法：
# vim objs/Makefile (修改objs/Makefile文件, 去掉其中的"-Werror"), 然后就能够正常编译了.
然后在make就能过了。
三、配置Nginx相关模块
1.
安装好了之后终端进入 nginx安装的目录 ： /usr/local/nginx/html/
然后新建目录：nginx-rtmp-module
然后拷贝 之前用于存放下载 nginx 所需资源包的目录 ：/root/nginx/nginx-rtmp-module/
拷贝 目录 test 到/usr/local/nginx/html/ 目录下：
# cp /root/nginx-rtmp-module/test /usr/local/nginx/html/nginx-rtmp-module/
# cp /root/nginx-rtmp-module/stat.xsl /usr/local/nginx/html/nginx-rtmp-module/
2.
拷贝之后就需要修改 /usr/local/nginx/nginx.conf 文件：
下面是配置好的nginx.conf 文件：
#user nobody; worker_processes 4; #error_log logs/error.log; #error_log logs/error.log notice; error_log logs/error.log info; pid logs/nginx.pid; worker_rlimit_nofile 51200; events { use epoll; worker_connections 51200; } #切换自动推送(多 worker 直播流)模式。默认为 off rtmp_auto_push on; #当 worker 被干掉时设置自动推送连接超时时间。默认为 100 毫秒 rtmp_auto_push_reconnect 1s; #设置用于流推送的 UNIX 域套接字目录。默认为 /tmp #rtmp_socket_dir /var/sock; rtmp { server { listen 1935; #点播配置 application vod { play /opt/media/nginxrtmp/flv; } #直播流配置 application live { live on; #为 rtmp 引擎设置最大连接数。默认为 off max_connections 1024; # default recorder record all; record_path /var/rec; recorder audio { record audio; record_suffix -%d-%b-%y-%T.flv; } recorder chunked { record all; record_interval 15s; record_path /var/rec/chunked; } #on_publish http://localhost:8080/publish; #on_play http://localhost:8080/play; #on_record_done http://localhost:8080/record_done; #rtmp日志设置 #access_log logs/rtmp_access.log new; #access_log logs/rtmp_access.log; #access_log off; } #HLS协议支持 #application hls { #live on; #hls on; #hls_path /tmp/app; #hls_fragment 5s; #} application hls{ live on; hls on; hls_path /usr/local/nginx/html/app; hls_fragment 1s; } } } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; server { listen 80; server_name localhost; #charset koi8-r; #access_log logs/host.access.log main; #location / { # root html; # index index.html index.htm; #} #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # #location ~ \.php$ { # root html; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; # include fastcgi_params; #} # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #} location /rtmp-publisher { root /root/nginx/nginx-rtmp-module/test; } #location /hls { #server hls fragments #types{ #application/vnd.apple.mpegurl m3u8; #video/mp2t ts; #} #alias /usr/local/nginx/html; #expires -1; #} location /hls { #server hls fragments types{ application/vnd.apple.mpegurl m3u8; video/mp2t ts; } #alias /usr/local/nginx/html/app; alias /usr/local/nginx/html; expires -2; } location / { #root /root/nginx/nginx-rtmp-module/test/rtmp-publisher; types{ application/vnd.apple.mpegurl m3u8; video/mp2t ts; } root /usr/local/nginx/html/rtmp-publisher; expires -1; } } # another virtual host using mix of IP-, name-, and port-based configuration # #server { # listen 8000; # listen somename:8080; # server_name somename alias another.alias; # location / { # root html; # index index.html index.htm; # } #} # HTTPS server # #server { # listen 443; # server_name localhost; # ssl on; # ssl_certificate cert.pem; # ssl_certificate_key cert.key; # ssl_session_timeout 5m; # ssl_protocols SSLv2 SSLv3 TLSv1; # ssl_ciphers HIGH:!aNULL:!MD5; # ssl_prefer_server_ciphers on; # location / { # root html; # index index.html index.htm; # } #} #支持flv server { listen 8081; server_name localhost; #root /opt/pub/media/nginx; #http协议时候，flv视频位置 #root /root/nginx/nginx-rtmp-module/test/www; root /usr/local/nginx/html/www; location ~ .*.(flv|swf|mp4|wma|wmv)$ { valid_referers none blocked *.xxxx.com http://localhost; if ($invalid_referer) { return 403; } } location ~ \.flv$ { flv; #limit_conn one 20;#限制客户端并发连接数 limit_rate 200k;#限制每客户端最大带宽 } location ~ \.mp4$ { flv; #limit_conn one 20; limit_rate 200k; } #access_log logs/nginxflv_access.log main; } server { listen 8082; server_name localhost; index index.html; location / { #root /opt/pub/media/nginx-rtmp; root /root/nginx/nginx-rtmp-module/test/rtmp-publisher; } #access_log logs/nginxrtmpflv_access.log main; } server { listen 8080; server_name localhost; index player.html; location /stat { rtmp_stat all; rtmp_stat_stylesheet /root/nginx/nginx-rtmp-module/stat.xsl; } location /stat.xsl { root /root/nginx/nginx-rtmp-module; } location /rtmp-publisher { root /usr/local/nginx/html/test/rtmp-publisher; } location / { root /root/nginx/nginx-rtmp-module/test/rtmp-publisher; } } }四、启动Nginx相关模块
1.
配置好之后就可以开启nginx服务器了。
可以在终端执行：
#service nginx start
注：可能会出现一下错误：
nginx: unrecognized service
解决方法：
下载nginx的启动脚本：
# wget -O init-deb.sh http://library.linode.com/assets/660-init-deb.sh
将脚本添加到init.d目录和生成可执行：
# sudo mv init-deb.sh /etc/init.d/nginx
# sudo chmod +x /etc/init.d/nginx
加的nginx到系统启动：
# sudo /usr/sbin/update-rc.d -f nginx defaults
现在我们可以使用nginx的控制:
sudo service nginx stop
sudo service nginx start
sudo service nginx restart
sudo service nginx reload
2.
在开启之前记得要打开 1935端口。
具体怎么打开此处不做介绍。
3.
但是开启的时候命令行要这样去启动：# /usr/local/ngnix/nginx –c /usr/local/nginx/nginx.conf
这样nginx 的rtmp协议流媒体服务器才能用。
4.下面使用ffmpeg 往rtmp服务器推送一个视频：
ffmpeg -re -i /home/song/Desktop/apk/test.flv -f flv rtmp://172.16.80.18/live/steam
这样在 vlc或者 flash player 上就可以打开 rtmp地址：
rtmp://172.16.80.18/live/steam
进行观看了。
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注：如果ubuntu使用的是虚拟机安装的话，记得网络适配器 要选择 “桥接模式” 使用虚拟机里的ip 地址和 主机地址在一个网端，这样外部比如 手机 或者局域网内的其他机器才能访问
该虚拟机上搭建的nginx服务器了。
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