README.md · fengyongjun/nginx-rtmp-module-m

# NGINX-based Media Streaming Server

## nginx-rtmp-module

### Project blog

http://nginx-rtmp.blogspot.com

### Documentation

* [Home](doc/README.md)
* [Control module](doc/control_modul.md)
* [Debug log](doc/debug_log.md)
* [Directives](doc/directives.md)
* [Examples](doc/examples.md)
* [Exec wrapper in bash](doc/exec_wrapper_in_bash.md)
* [FAQ](doc/faq.md)
* [Getting number of subscribers](doc/getting_number_of_subscribers.md)
* [Getting started with nginx rtmp](doc/getting_started.md)
* [Installing in Gentoo](doc/installing_in_gentoo.md)
* [Installing on Ubuntu using PPAs](doc/installing_ubuntu_using_ppas.md)
* [Tutorial](doc/tutorial.md)

*Source: https://github.com/arut/nginx-rtmp-module/wiki*

* [Latest updates](doc/README.md#updates)

### Google group

https://groups.google.com/group/nginx-rtmp

https://groups.google.com/group/nginx-rtmp-ru (Russian)

### Donation page (Paypal etc)

http://arut.github.com/nginx-rtmp-module/

### Features

* RTMP/HLS/MPEG-DASH live streaming

* RTMP Video on demand FLV/MP4,
  playing from local filesystem or HTTP

* Stream relay support for distributed
  streaming: push & pull models

* Recording streams in multiple FLVs

* H264/AAC support

* Online transcoding with FFmpeg

* HTTP callbacks (publish/play/record/update etc)

* Running external programs on certain events (exec)

* HTTP control module for recording audio/video and dropping clients

* Advanced buffering techniques
  to keep memory allocations at a minimum
  level for faster streaming and low
  memory footprint

* Proved to work with Wirecast, FMS, Wowza,
  JWPlayer, FlowPlayer, StrobeMediaPlayback,
  ffmpeg, avconv, rtmpdump, flvstreamer
  and many more

* Statistics in XML/XSL in machine- & human-
  readable form

* Linux/FreeBSD/MacOS/Windows

### Build

cd to NGINX source directory & run this:

./configure --add-module=/path/to/nginx-rtmp-module
    make
    make install

Several versions of nginx (1.3.14 - 1.5.0) require http_ssl_module to be
added as well:

./configure --add-module=/path/to/nginx-rtmp-module --with-http_ssl_module

For building debug version of nginx add `--with-debug`

./configure --add-module=/path/to-nginx/rtmp-module --with-debug

[Read more about debug log](https://github.com/arut/nginx-rtmp-module/wiki/Debug-log)

### Contributing and Branch Policy

The "dev" branch is the one where all contributions will be merged before reaching "master".
If you plan to propose a patch, please commit into the "dev" branch or its own feature branch.
Direct commit to "master" are not permitted.

### Windows limitations

Windows support is limited. These features are not supported

* execs
* static pulls
* auto_push

### RTMP URL format

rtmp://rtmp.example.com/app[/name]

app -  should match one of application {}
         blocks in config

name - interpreted by each application
         can be empty

### Multi-worker live streaming

This NGINX-RTMP module does not support multi-worker live
streaming. While this feature can be enabled through rtmp_auto_push on|off directive, it is ill advised because it is incompatible with NGINX versions starting 1.7.2 and up, there for it should not be used.

### Example nginx.conf

rtmp {

server {

listen 1935;

chunk_size 4000;

# TV mode: one publisher, many subscribers
            application mytv {

# enable live streaming
                live on;

# record first 1K of stream
                record all;
                record_path /tmp/av;
                record_max_size 1K;

# append current timestamp to each flv
                record_unique on;

# publish only from localhost
                allow publish 127.0.0.1;
                deny publish all;

#allow play all;
            }

# Transcoding (ffmpeg needed)
            application big {
                live on;

# On every published stream run this command (ffmpeg)
                # with substitutions: $app/${app}, $name/${name} for application & stream name.
                #
                # This ffmpeg call receives stream from this application &
                # reduces the resolution down to 32x32. The stream is the published to
                # 'small' application (see below) under the same name.
                #
                # ffmpeg can do anything with the stream like video/audio
                # transcoding, resizing, altering container/codec params etc
                #
                # Multiple exec lines can be specified.

exec ffmpeg -re -i rtmp://localhost:1935/$app/$name -vcodec flv -acodec copy -s 32x32
                            -f flv rtmp://localhost:1935/small/${name};
            }

application small {
                live on;
                # Video with reduced resolution comes here from ffmpeg
            }

application webcam {
                live on;

# Stream from local webcam
                exec_static ffmpeg -f video4linux2 -i /dev/video0 -c:v libx264 -an
                                   -f flv rtmp://localhost:1935/webcam/mystream;
            }

application mypush {
                live on;

# Every stream published here
                # is automatically pushed to
                # these two machines
                push rtmp1.example.com;
                push rtmp2.example.com:1934;
            }

application mypull {
                live on;

# Pull all streams from remote machine
                # and play locally
                pull rtmp://rtmp3.example.com pageUrl=www.example.com/index.html;
            }

application mystaticpull {
                live on;

# Static pull is started at nginx start
                pull rtmp://rtmp4.example.com pageUrl=www.example.com/index.html name=mystream static;
            }

# video on demand
            application vod {
                play /var/flvs;
            }

application vod2 {
                play /var/mp4s;
            }

# Many publishers, many subscribers
            # no checks, no recording
            application videochat {

live on;

# The following notifications receive all
                # the session variables as well as
                # particular call arguments in HTTP POST
                # request

# Make HTTP request & use HTTP retcode
                # to decide whether to allow publishing
                # from this connection or not
                on_publish http://localhost:8080/publish;

# Same with playing
                on_play http://localhost:8080/play;

# Publish/play end (repeats on disconnect)
                on_done http://localhost:8080/done;

# All above mentioned notifications receive
                # standard connect() arguments as well as
                # play/publish ones. If any arguments are sent
                # with GET-style syntax to play & publish
                # these are also included.
                # Example URL:
                #   rtmp://localhost/myapp/mystream?a=b&c=d

# record 10 video keyframes (no audio) every 2 minutes
                record keyframes;
                record_path /tmp/vc;
                record_max_frames 10;
                record_interval 2m;

# Async notify about an flv recorded
                on_record_done http://localhost:8080/record_done;

}

# HLS

# For HLS to work please create a directory in tmpfs (/tmp/hls here)
            # for the fragments. The directory contents is served via HTTP (see
            # http{} section in config)
            #
            # Incoming stream must be in H264/AAC. 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 {
                live on;
                hls on;
                hls_path /tmp/hls;
            }

# MPEG-DASH is similar to HLS

application dash {
                live on;
                dash on;
                dash_path /tmp/dash;
            }
        }
    }

# HTTP can be used for accessing RTMP stats
    http {

server {

listen      8080;

# This URL provides RTMP statistics in XML
            location /stat {
                rtmp_stat all;

# Use this stylesheet to view XML as web page
                # in browser
                rtmp_stat_stylesheet stat.xsl;
            }

location /stat.xsl {
                # XML stylesheet to view RTMP stats.
                # Copy stat.xsl wherever you want
                # and put the full directory path here
                root /path/to/stat.xsl/;
            }

location /hls {
                # Serve HLS fragments
                types {
                    application/vnd.apple.mpegurl m3u8;
                    video/mp2t ts;
                }
                root /tmp;
                add_header Cache-Control no-cache;
            }

location /dash {
                # Serve DASH fragments
                root /tmp;
                add_header Cache-Control no-cache;
            }
        }
    }

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