GitHub - yejingyang/simple-rtmp-server: SRS delivery rtmp/hls/http live/vod on x86/x64/arm/mips linux/darwin, supports origin/edge/vhost and forward/transcode/ingest/dvr/http-api with wiki and the most simple arch.

#Simple-RTMP-Server

SRS定位是运营级的互联网直播服务器集群，追求更好的概念完整性和最简单实现的代码。

下载发布版(github): Centos6-x86_64 其他more...
下载发布版(国内阿里云镜像): Centos6-x86_64 其他more...
加入QQ群: http://url.cn/WAHICw (Group: 212189142)
同类产品：BLS/BLE, NGINX-RTMP, CRTMPD, RED5, WOWZA, FMS/AMS

获得源码(github): https://github.com/winlinvip/simple-rtmp-server GIT使用方法

git clone https://github.com/winlinvip/simple-rtmp-server.git

获得源码(国内CSDN镜像): https://code.csdn.net/winlinvip/srs-csdn GIT使用方法

git clone https://code.csdn.net/winlinvip/srs-csdn.git

报告问题(BugReport): https://github.com/winlinvip/simple-rtmp-server/issues/new
中文资料(Wiki): https://github.com/winlinvip/simple-rtmp-server/wiki
使用步骤(Usage): https://github.com/winlinvip/simple-rtmp-server#usage
公用机器(LiveShow): https://github.com/winlinvip/simple-rtmp-server/wiki/LiveShow
捐款(Donation): GitHub 或阿里云镜像，查看捐献墙(Donations)

About

SRS(SIMPLE RTMP Server) over state-threads created in 2013.10.

SRS is a simple, RTMP/HLS, high-performance, single/multiple(plan) processes, edge/origin live server, x86/x64/arm, compile depends on st(required), ssl and http-parser, use nginx, ffmpeg and cherrypy as external tools. that is, only need st to run srs for minimum run. see Build.

SRS supports vhost, rtmp(encoder push, client/edge pull), ingester(srs pull), HLS, HLS audio only, transcoding, forward, http hooks, http api, http server, dvr.

Release: http://winlinvip.github.io/srs.release
Blog: http://blog.csdn.net/win_lin
CSDN mirror: https://code.csdn.net/winlinvip/srs-csdn
See also: https://github.com/winlinvip/simple-rtmp-server
Github DEMO: demo with your SRS
Wiki: https://github.com/winlinvip/simple-rtmp-server/wiki
TencentQQ: http://url.cn/WAHICw (Group: 212189142)
StreamServers：BLS/BLE, NGINX-RTMP, CRTMPD, RED5, WOWZA, FMS/AMS

AUTHORS

The PRIMARY AUTHORS are (and/or have been)(Authors ordered by first contribution):

winlin(winterserver): http://blog.csdn.net/win_lin
wenjie(wenjiegit): http://blog.chinaunix.net/uid/25006789.html

About the primary AUTHORS:

Contribute important features to SRS.
Names of all PRIMARY AUTHORS response in NetConnection.connect and metadata.
Names of all CONTRIBUTORS response in api/v1/authors.

And here is an inevitably incomplete list of MUCH-APPRECIATED CONTRIBUTORS -- people who have submitted patches, reported bugs, added translations, helped answer newbie questions, and generally made SRS that much better: AUTHORS.txt

A big THANK YOU goes to:

chnvideo co-founders(wiseyoung, trueice, leijian) for big supports.
Genes amd Mabbott for creating st(state-threads).
Michael Talyanksy for introducing us to use st.
Roman Arutyunyan for creating nginx-rtmp for SRS to refer to.
Joyent for creating http-parser for http-api for SRS.
Igor Sysoev for creating nginx for SRS to refer to.
FFMPEG and libx264 group for SRS to use to transcode.
Guido van Rossum for creating Python for api-server for SRS.

Usage

Step 1: get SRS

git clone https://github.com/winlinvip/simple-rtmp-server &&
cd simple-rtmp-server/trunk

Step 2: build SRS, Requires Centos6.x/Ubuntu12 32/64bits, others see Build

./configure && make

Step 3: start SRS

./objs/srs -c conf/srs.conf

See also:

Wiki

Please select your language:

Donation

http://winlinvip.github.io/srs.release/donation/index.html OR aliyun mirror

Donations:
https://github.com/winlinvip/simple-rtmp-server/blob/master/DONATIONS.txt

System Requirements

Supported operating systems and hardware:

All Linux , both 32 and 64 bits
All hardware.

Summary

Simple: also stable enough.
High-performance: single-thread, async socket, event/st-thread driven.
Support RTMP edge server, support origin server.
RTMP without vod streaming, live streaming only.
Support multiple processes, support single process.
Support vhost, support __defaultVhost__.
Support adobe rtmp live streaming.
Support apple HLS(m3u8) live streaming.
Support HLS audio-only live streaming.
Support reload config to enable changes.
Support cache last gop for flash player to fast startup.
Support listen at multiple ports.
Support long time(>4.6hours) publish/play.
High performace, 1800 connections(500kbps), 900Mbps, CPU 90.2%, 41MB
Support forward publish stream to build active-standby cluster.
Support broadcast by forward the stream to other servers(origin/edge).
Support live stream transcoding by ffmpeg.
Support live stream forward(acopy/vcopy) by ffmpeg.
Support ffmpeg filters(logo/overlay/crop), x264 params, copy/vn/an.
Support audio transcode only, speex/mp3 to aac
Support http callback api hooks(for authentication and injection).
Support bandwidth test api and flash client.
Player, publisher(encoder), and demo pages(jquery+bootstrap).
Demo video meeting or chat(SRS+cherrypy+jquery+bootstrap).
Full documents in wiki, in chineses.
Support RTMP(play-publish) library: srs-librtmp
Support ARM(debian armhf, v7cpu) with rtmp/ssl/hls/librtmp.
Support init.d and packge script, log to file.
Support RTMP ATC for HLS/HDS to support backup(failover)
Support http RESTful management api.
Support embeded http server for hls(live/vod)
Support stream ingester using ffmpeg.
Support ingest RTSP(RTP, SDP) stream to RTMP.
Support dvr(record live to flv file for vod)
Support live flashP2P(integrated by chnvideo VDN).
Support RTMP edge server, push/pull stream from any RTMP server
Support tracable log, session based log.
Support vod stream(http flv/hls vod stream).
Support DRM token traverse for fms origin authenticate.
[dev] Support system full utest on gtest.
[plan] Support <500ms latency, FRSC(Fast RTMP-compatible Stream Channel tech).
[plan] Support RTMP 302 redirect #92.
[plan] Support multiple processes, for both origin and edge
[no-plan] Support adobe RTMFP(flash p2p) protocol.
[no-plan] Support adobe flash refer/token/swf verification.
[no-plan] Support adobe amf3 codec.
[no-plan] Support encryption: RTMPE/RTMPS, HLS DRM
[no-plan] Support RTMPT, http to tranverse firewalls
[no-plan] Support file source, transcoding file to live stream
[no-plan] Support RTP/RTSP server.

Releases

2014-08-03, Release v1.0-mainline7, config utest, support osx(darwin), all bug fixed. 57432 lines.
2014-07-13, Release v1.0-mainline6, core/kernel/rtmp utest, refine bandwidth(as/js/srslibrtmp library). 50029 lines.
2014-06-27, Release v1.0-mainline5, refine perf 3k+ clients, edge token traverse, srs monitor, 30days online. 41573 lines.
2014-05-28, Release v1.0-mainline4, support heartbeat, tracable log, fix mem leak and bugs. 39200 lines.
2014-05-18, Release v1.0-mainline3, support mips, fms origin, json(http-api). 37594 lines.
2014-04-28, Release v1.0-mainline2, support dvr, android, edge. 35255 lines.
2014-04-07, Release v1.0-mainline, support arm, init.d, http server/api, ingest. 30000 lines.
2013-12-25, Release v0.9, support bandwidth test, player/encoder/chat demos. 20926 lines.
2013-12-08, Release v0.8, support http hooks callback, update st_load. 19186 lines.
2013-12-03, Release v0.7, support live stream transcoding. 17605 lines.
2013-11-29, Release v0.6, support forward stream to origin/edge. 16094 lines.
2013-11-26, Release v0.5, support HLS(m3u8), fragment and window. 14449 lines.
2013-11-10, Release v0.4, support reload config, pause, longtime publish/play. 12500 lines.
2013-11-04, Release v0.3, support vhost, refer, gop cache, listen multiple ports. 11773 lines.
2013-10-25, Release v0.2, support rtmp flash publish, h264, time jitter correct. 10125 lines.
2013-10-23, Release v0.1, support rtmp FMLE/FFMPEG publish, vp6. 8287 lines.
2013-10-17, Created.

History

v1.0, 2014-08-06, fix #148, simplify the RTMP handshake key generation. 0.9.191.
v1.0, 2014-08-06, fix #147, support identify the srs edge. 0.9.190.
v1.0, 2014-08-03, 1.0 mainline7(0.9.189) released. 57432 lines.
v1.0, 2014-08-03, fix #79, fix the reload remove edge assert bug. 0.9.189.
v1.0, 2014-08-03, fix #57, use lock(acquire/release publish) to avoid duplicated publishing. 0.9.188.
v1.0, 2014-08-03, fix #85, fix the segment-dvr sequence header missing. 0.9.187.
v1.0, 2014-08-03, fix #145, refine ffmpeg log, check abitrate for libaacplus. 0.9.186.
v1.0, 2014-08-03, fix #143, fix retrieve sys stat bug for all linux. 0.9.185.
v1.0, 2014-08-02, fix #138, fix http hooks bug, regression bug. 0.9.184.
v1.0, 2014-08-02, fix #142, fix tcp stat slow bug, use /proc/net/sockstat instead, refer to 'ss -s'. 0.9.183.
v1.0, 2014-07-31, fix #141, support tun0(vpn network device) ip retrieve. 0.9.179.
v1.0, 2014-07-27, support build on OSX(Darwin). 0.9.177
v1.0, 2014-07-27, api connections add udp, add disk iops. 0.9.176
v1.0, 2014-07-26, complete config utest. 0.9.173
v1.0, 2014-07-26, fix #124, gop cache support disable video in publishing. 0.9.171.
v1.0, 2014-07-23, fix #121, srs_info detail log compile failed. 0.9.168.
v1.0, 2014-07-19, fix #119, use iformat and oformat for ffmpeg transcode. 0.9.163.
v1.0, 2014-07-13, 1.0 mainline6(0.9.160) released. 50029 lines.
v1.0, 2014-07-13, refine the bandwidth check/test, add as/js library, use srs-librtmp for linux tool. 0.9.159
v1.0, 2014-07-12, complete rtmp stack utest. 0.9.156
v1.0, 2014-07-06, fix #81, fix HLS codec info, IOS ok. 0.9.153.
v1.0, 2014-07-06, fix #103, support all aac sample rate. 0.9.150.
v1.0, 2014-07-05, complete kernel utest. 0.9.149
v1.0, 2014-06-30, fix #111, always use 31bits timestamp. 0.9.143.
v1.0, 2014-06-28, response the call message with null. 0.9.137
v1.0, 2014-06-28, fix #110, thread start segment fault, thread cycle stop destroy thread. 0.9.136
v1.0, 2014-06-27, fix #109, fix the system jump time, adjust system startup time. 0.9.135
v1.0, 2014-06-27, 1.0 mainline5(0.9.134) released. 41573 lines.
v1.0, 2014-06-27, SRS online 30days with RTMP/HLS.
v1.0, 2014-06-25, fix #108, support config time jitter for encoder non-monotonical stream. 0.9.133
v1.0, 2014-06-23, support report summaries in heartbeat. 0.9.132
v1.0, 2014-06-22, performance refine, support 3k+ connections(270kbps). 0.9.130
v1.0, 2014-06-21, support edge token traverse, fix #104. 0.9.129
v1.0, 2014-06-19, add connections count to api summaries. 0.9.127
v1.0, 2014-06-19, add srs bytes and kbps to api summaries. 0.9.126
v1.0, 2014-06-18, add network bytes to api summaries. 0.9.125
v1.0, 2014-06-14, fix #98, workaround for librtmp ping(fmt=1,cid=2 fresh stream). 0.9.124
v1.0, 2014-05-29, support flv inject and flv http streaming with start=bytes. 0.9.122
v1.0, 2014-05-28, 1.0 mainline4(0.9.120) released. 39200 lines.
v1.0, 2014-05-27, fix #87, add source id for full trackable log. 0.9.120
v1.0, 2014-05-27, fix #84, unpublish when edge disconnect. 0.9.119
v1.0, 2014-05-27, fix #89, config to /dev/null to disable ffmpeg log. 0.9.117
v1.0, 2014-05-25, fix #76, allow edge vhost to add or remove. 0.9.114
v1.0, 2014-05-24, Johnny contribute ossrs.net. karthikeyan start to translate wiki to English.
v1.0, 2014-05-22, fix #78, st joinable thread must be stop by other threads, 0.9.113
v1.0, 2014-05-22, support amf0 StrictArray(0x0a). 0.9.111.
v1.0, 2014-05-22, support flv parser, add amf0 to librtmp. 0.9.110
v1.0, 2014-05-22, fix #74, add tcUrl for http callback on_connect, 0.9.109
v1.0, 2014-05-19, support http heartbeat, 0.9.107
v1.0, 2014-05-18, 1.0 mainline3(0.9.105) released. 37594 lines.
v1.0, 2014-05-18, support http api json, to PUT/POST. 0.9.105
v1.0, 2014-05-17, fix #72, also need stream_id for send_and_free_message. 0.9.101
v1.0, 2014-05-17, rename struct to class. 0.9.100
v1.0, 2014-05-14, fix #67 pithy print, stage must has a age. 0.9.98
v1.0, 2014-05-13, fix mem leak for delete[] SharedPtrMessage array. 0.9.95
v1.0, 2014-05-12, refine the kbps calc module. 0.9.93
v1.0, 2014-05-12, fix bug #64: install_dir=DESTDIR+PREFIX
v1.0, 2014-05-08, fix #36: never directly use *(int32_t*) for arm.
v1.0, 2014-05-08, fix #60: support aggregate message
v1.0, 2014-05-08, fix #59, edge support FMS origin server. 0.9.92
v1.0, 2014-05-06, fix #50, ubuntu14 build error.
v1.0, 2014-05-04, support mips linux.
v1.0, 2014-04-30, fix bug #34: convert signal to io thread. 0.9.85
v1.0, 2014-04-29, refine RTMP protocol completed, to 0.9.81
v1.0, 2014-04-28, 1.0 mainline2(0.9.79) released. 35255 lines.
v1.0, 2014-04-28, support full edge RTMP server. 0.9.79
v1.0, 2014-04-27, support basic edge(play/publish) RTMP server. 0.9.78
v1.0, 2014-04-25, add donation page. 0.9.76
v1.0, 2014-04-21, support android app to start srs for internal edge. 0.9.72
v1.0, 2014-04-19, support tool over srs-librtmp to ingest flv/rtmp. 0.9.71
v1.0, 2014-04-17, support dvr(record live to flv file for vod). 0.9.69
v1.0, 2014-04-11, add speex1.2 to transcode flash encoder stream. 0.9.58
v1.0, 2014-04-10, support reload ingesters(add/remov/update). 0.9.57
v1.0, 2014-04-07, 1.0 mainline(0.9.55) released. 30000 lines.
v1.0, 2014-04-07, support ingest file/stream/device.
v1.0, 2014-04-05, support http api and http server.
v1.0, 2014-04-03, implements http framework and api/v1/version.
v1.0, 2014-03-30, fix bug for st detecting epoll failed, force st to use epoll.
v1.0, 2014-03-29, add wiki Performance for RaspberryPi.
v1.0, 2014-03-29, add release binary package for raspberry-pi.
v1.0, 2014-03-26, support RTMP ATC for HLS/HDS to support backup(failover).
v1.0, 2014-03-23, support daemon, default start in daemon.
v1.0, 2014-03-22, support make install/install-api and uninstall.
v1.0, 2014-03-22, add ./etc/init.d/srs, refine to support make clean then make.
v1.0, 2014-03-21, write pid to ./objs/srs.pid.
v1.0, 2014-03-20, refine hls code, support pure audio HLS.
v1.0, 2014-03-19, add vn/an for FFMPEG to drop video/audio for radio stream.
v1.0, 2014-03-19, refine handshake, client support complex handshake, add utest.
v1.0, 2014-03-16, fix bug on arm of st, the sp change from 20 to 8, for respberry-pi, @see commit
v1.0, 2014-03-16, support ARM(debian armhf, v7cpu) with rtmp/ssl/hls/librtmp.
v1.0, 2014-03-12, finish utest for amf0 codec.
v1.0, 2014-03-06, add gperftools for mem leak detect, mem/cpu profile.
v1.0, 2014-03-04, add gest framework for utest, build success.
v1.0, 2014-03-02, add wiki srs-librtmp, SRS for arm, product
v1.0, 2014-03-02, srs-librtmp, client publish/play library like librtmp.
v1.0, 2014-03-01, modularity, extract core/kernel/rtmp/app/main module.
v1.0, 2014-02-28, support arm build(SRS/ST), add ssl to 3rdparty package.
v1.0, 2014-02-28, add wiki BuildArm, FFMPEG, Reload
v1.0, 2014-02-27, add wiki LowLatency, HTTPCallback, ServerSideScript, IDE
v1.0, 2014-01-19, add wiki DeliveryHLS
v1.0, 2014-01-12, add wiki HowToAskQuestion, RtmpUrlVhost
v1.0, 2014-01-11, fix jw/flower player pause bug, which send closeStream actually.
v1.0, 2014-01-05, add wiki Build, Performance, Cluster
v1.0, 2014-01-01, change listen(512), chunk-size(60000), to improve performance.
v1.0, 2013-12-27, merge from wenjie, the bandwidth test feature.
v0.9, 2013-12-25, v0.9 released. 20926 lines.
v0.9, 2013-12-25, fix the bitrate bug(in Bps), use enhanced microphone.
v0.9, 2013-12-22, demo video meeting or chat(SRS+cherrypy+jquery+bootstrap).
v0.9, 2013-12-22, merge from wenjie, support banwidth test.
v0.9, 2013-12-22, merge from wenjie: support set chunk size at vhost level
v0.9, 2013-12-21, add players for play and publish.
v0.9, 2013-12-15, ensure the HLS(ts) is continous when republish stream.
v0.9, 2013-12-15, fix the hls reload bug, feed it the sequence header.
v0.9, 2013-12-15, refine protocol, use int64_t timestamp for ts and jitter.
v0.9, 2013-12-15, support set the live queue length(in seconds), drop when full.
v0.9, 2013-12-15, fix the forwarder reconnect bug, feed it the sequence header.
v0.9, 2013-12-15, support reload the hls/forwarder/transcoder.
v0.9, 2013-12-14, refine the thread model for the retry threads.
v0.9, 2013-12-10, auto install depends tools/libs on centos/ubuntu.
v0.8, 2013-12-08, v0.8 released. 19186 lines.
v0.8, 2013-12-08, support http hooks: on_connect/close/publish/unpublish/play/stop.
v0.8, 2013-12-08, support multiple http hooks for a event.
v0.8, 2013-12-07, support http callback hooks, on_connect.
v0.8, 2013-12-07, support network based cli and json result, add CherryPy 3.2.4.
v0.8, 2013-12-07, update http/hls/rtmp load test tool st_load, use SRS rtmp sdk.
v0.8, 2013-12-06, support max_connections, drop if exceed.
v0.8, 2013-12-05, support log_dir, write ffmpeg log to file.
v0.8, 2013-12-05, fix the forward/hls/encoder bug.
v0.7, 2013-12-03, v0.7 released. 17605 lines.
v0.7, 2013-12-01, support dead-loop detect for forwarder and transcoder.
v0.7, 2013-12-01, support all ffmpeg filters and params.
v0.7, 2013-11-30, support live stream transcoder by ffmpeg.
v0.7, 2013-11-30, support --with/without -ffmpeg, build ffmpeg-2.1.
v0.7, 2013-11-30, add ffmpeg-2.1, x264-core138, lame-3.99.5, libaacplus-2.0.2.
v0.6, 2013-11-29, v0.6 released. 16094 lines.
v0.6, 2013-11-29, add performance summary, 1800 clients, 900Mbps, CPU 90.2%, 41MB.
v0.6, 2013-11-29, support forward stream to other edge server.
v0.6, 2013-11-29, support forward stream to other origin server.
v0.6, 2013-11-28, fix memory leak bug, aac decode bug.
v0.6, 2013-11-27, support --with or --without -hls and -ssl options.
v0.6, 2013-11-27, support AAC 44100HZ sample rate for iphone, adjust the timestamp.
v0.5, 2013-11-26, v0.5 released. 14449 lines.
v0.5, 2013-11-24, support HLS(m3u8), fragment and window.
v0.5, 2013-11-24, support record to ts file for HLS.
v0.5, 2013-11-21, add ts_info tool to demux ts file.
v0.5, 2013-11-16, add rtmp players(OSMF/jwplayer5/jwplayer6).
v0.4, 2013-11-10, v0.4 released. 12500 lines.
v0.4, 2013-11-10, support config and reload the pithy print.
v0.4, 2013-11-09, support reload config(vhost and its detail).
v0.4, 2013-11-09, support reload config(listen and chunk_size) by SIGHUP(1).
v0.4, 2013-11-09, support longtime(>4.6hours) publish/play.
v0.4, 2013-11-09, support config the chunk_size.
v0.4, 2013-11-09, support pause for live stream.
v0.3, 2013-11-04, v0.3 released. 11773 lines.
v0.3, 2013-11-04, support refer/play-refer/publish-refer.
v0.3, 2013-11-04, support vhosts specified config.
v0.3, 2013-11-02, support listen multiple ports.
v0.3, 2013-11-02, support config file in nginx-conf style.
v0.3, 2013-10-29, support pithy print log message specified by stage.
v0.3, 2013-10-28, support librtmp without extended-timestamp in 0xCX chunk packet.
v0.3, 2013-10-27, support cache last gop for client fast startup.
v0.2, 2013-10-25, v0.2 released. 10125 lines.
v0.2, 2013-10-25, support flash publish.
v0.2, 2013-10-25, support h264/avc codec by rtmp complex handshake.
v0.2, 2013-10-24, support time jitter detect and correct algorithm
v0.2, 2013-10-24, support decode codec type to cache the h264/avc sequence header.
v0.1, 2013-10-23, v0.1 released. 8287 lines.
v0.1, 2013-10-23, support basic amf0 codec, simplify the api using c-style api.
v0.1, 2013-10-23, support shared ptr msg for zero memory copy.
v0.1, 2013-10-22, support vp6 codec with rtmp protocol specified simple handshake.
v0.1, 2013-10-20, support multiple flash client play live streaming.
v0.1, 2013-10-20, support FMLE/FFMPEG publish live streaming.
v0.1, 2013-10-18, support rtmp message2chunk protocol(send_message).
v0.1, 2013-10-17, support rtmp chunk2message protocol(recv_message).

Performance

Performance benchmark history, on virtual box:

2014-07-12, SRS 0.9.156, 2700clients, 89%CPU, 61MB. benchmark
2014-07-12, SRS 0.9.156, 1800clients, 68%CPU, 38MB. benchmark
2013-11-28, SRS 0.5.0, 1800clients, 90%CPU, 41MB. benchmark

Latest benchmark:

300 connections, 150Mbps, 500kbps, CPU 5.7%, MEM 9208KB.
600 connections, 300Mbps, 500kbps, CPU 18.3%, MEM 13MB.
900 connections, 450Mbps, 500kbps, CPU 27.9%, MEM 20MB.
1200 connections, 600Mbps, 500kbps, CPU 43.9%, MEM 26MB.
1500 connections, 750Mbps, 500kbps, CPU 55.2%, MEM 32MB.
1800 connections, 900Mbps, 500kbps, CPU 68.8%, MEM 38MB.
2100 connections, 1050Mbps, 500kbps, CPU 75.7%, MEM 46MB.
2400 connections, 1200Mbps, 500kbps, CPU 83.7%, MEM 54MB.
2700 connections, 1350Mbps, 500kbps, CPU 89.9%, MEM 61MB.

[winlin@dev6 srs]$ dstat
----total-cpu-usage---- -dsk/total- ---net/lo-- ---paging-- ---system--
usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw 
 29  17  39   0   0  15|   0  5325B| 163M  163M|   0     0 |4331  3386 
 30  16  38   0   0  16|   0  5325B| 160M  160M|   0     0 |4252  3332 
 30  15  37   0   0  17|   0  7646B| 169M  169M|   0     0 |4015  2886 
 30  17  36   0   0  17|   0  1638B| 197M  197M|   0     0 |4021  3037 
 31  17  35   0   0  17|   0   410B| 204M  204M|   0     0 |4181  3243 
 33  17  32   0   0  18|   0  2185B| 191M  191M|   0     0 |4305  3592 
 31  15  36   0   0  18|   0  1229B| 127M  127M|   0     0 |4446  3822 
 34  18  30   0   0  18|   0     0 | 231M  231M|   0     0 |4461  3691 
 32  17  33   0   0  18|   0   410B| 169M  169M|   0     0 |4518  3788

See also: Performance for x86/x64 Test Guide
See also: Performance for RaspberryPi

Architecture

SRS always use the most simple architecture to support complex transaction.

System arch: the system structure and arch.
Modularity arch: the main modularity of SRS.
Stream arch: the stream dispatch arch of SRS.
RTMP cluster arch: the RTMP origin and edge cluster arch.
Multiple processes arch (by wenjie): the multiple process of SRS.
CLI arch: the cli arch for SRS, api to manage SRS.
Bandwidth specification: the bandwidth test specification of SRS.

System Architecture

+------------------------------------------------------+
|             SRS(Simple RTMP Server)                  |
+---------------+---------------+-----------+----------+
|   API/hook    |   Transcoder  |    HLS    |   RTMP   |
|  http-parser  |  FFMPEG/x264  |  NGINX/ts | protocol |
+---------------+---------------+-----------+----------+
|              Network(state-threads)                  |
+------------------------------------------------------+
|      All Linux(RHEL,CentOS,Ubuntu,Fedora...)         |
+------------------------------------------------------+

Modularity Architecture

+------------------------------------------------------+
|             Main(srs/bandwidth/librtmp)              |
+------------------------------------------------------+
|           App(Server/Client application)             |
+------------------------------------------------------+
|               RTMP(Protocol stack)                   |
+------------------------------------------------------+
|      Kernel(depends on Core, provides error/log)     |
+------------------------------------------------------+
|         Core(depends only on system apis)            |
+------------------------------------------------------+

Stream Architecture

                   +---------+              +----------+
                   + Publish +              +  Deliver |
                   +---|-----+              +----|-----+
+----------------------+-------------------------+----------------+
|     Input            | SRS(Simple RTMP Server) |     Output     |
+----------------------+-------------------------+----------------+
|    Encoder(1)        |   +-> RTMP protocol ----+-> Flash Player |
|  (FMLE,FFMPEG, -rtmp-+->-+-> HLS/NGINX --------+-> m3u8 player  |
|  Flash,XSPLIT,       |   +-> Fowarder ---------+-> RTMP Server  |
|  ......)             |   +-> Transcoder -------+-> RTMP Server  |
|                      |   +-> DVR --------------+-> FILE         |
|                      |   +-> BandwidthTest ----+-> Flash/StLoad |
+----------------------+                         |                |
|  MediaSource(2)      |                         |                |
|  (RTSP,FILE,         |                         |                |
|   HTTP,HLS,    ------+->-- Ingester ----(rtmp)-+-> SRS          |
|   Device,            |                         |                |
|   ......)            |                         |                |
+----------------------+-------------------------+----------------+

Remark:
(1) Encoder: encoder must push RTMP stream to SRS server.
(2) MediaSource: any media source, which can be ingest by ffmpeg.
(3) Ingester: SRS will fork a process to run ffmpeg(or your application) 
to ingest any input to rtmp, push to SRS.

HDS/HLS origin backup

                        +----------+        +----------+
               +--ATC->-+  server  +--ATC->-+ packager +-+   +---------+
+----------+   | RTMP   +----------+ RTMP   +----------+ |   | Reverse |    +-------+
| encoder  +->-+                                         +->-+  Proxy  +-->-+  CDN  +
+----------+   |        +----------+        +----------+ |   | (nginx) |    +-------+
               +--ATC->-+  server  +--ATC->-+ packager +-+   +---------+
                 RTMP   +----------+ RTMP   +----------+

RTMP cluster(origin/edge) Architecture

Remark: cluster over forward, see Cluster Remark: cluster over edge, see Edge

+---------+       +-----------------+     +-----------------------+ 
+ Encoder +--+-->-+  SRS(RTMP Edge) +--->-+     (RTMP Origin)     | 
+---------+  |    +-----------------+     |   SRS/FMS/NGINX-RTMP  |
             |                            |    Red5/HELIX/CRTMP   |
             +-------------------------->-+         ......        |
                                          +-----------------------+ 
Schema#1: Any RTMP encoder push RTMP stream to RTMP (origin/edge)server,
    where SRS RTMP Edge server will forward stream to origin.


+-------------+    +-----------------+      +--------------------+
| RTMP Origin +-->-+  SRS(RTMP Edge) +--+->-+  Client(RTMP/HLS)  |
+-------------+    +-----------------+  |   |  Flash/IOS/Android |
                                        |   +--------------------+
                                        |
                                        |   +-----------------+
                                        +->-+  SRS(RTMP Edge) +
                                            +-----------------+
Schema#2: SRS RTMP Edge server pull stream from origin (or upstream SRS 
    RTMP Edge server), then delivery to Client.

(plan) SRS Multiple processes Architecture(design by wenjie)

                 +---------------+              +--------+
                 | upnode server |              + client +
                 +-------+-------+              +---+----+
            -------------+------------network-------+---------
                         |                          |
 +--------+         +----+-----------+         +----+----------+
 | master +--fork->-+ back source(1) +-->-pull-+ stream 1-N(2) +
 +---+----+         +----------------+         +-------+-------+
     |                                                 |
     +-------------------------------------fork--->-----+
     |                           +-------------+
     +-------------------fork-->-+ http/vod(3) |
                                 +-------------+
Remark:
(1) back source process: create by master process, get stream from 
    upnode server if edge, create stream if origin, serve the stream 
    process.
(2) stream process: create by master process, get stream from back
    source process, serve the client.
(3) the embeded mininum http server, also provides vod service. for
    http server, it provides http api, hls(live/vod) delivery. for
    vod server, it slice the file to hls(m3u8/ts).
Remark:
(a) This multiple processes architecture is design by wenjie, it's a
    very simple and powerful multiple process architecture, for the
    master no need to pass between stream process.
(b) The CLI architecture is similar to this, instead, cli process
    will collect informations from all stream process, master process
    only send signals to child processes.

(plan) CLI Architecture

                       +---------+
                    +--+ stream1 +---------+
                    |  +---------+         |
 +--------+         |  +---------+         |   +-------+
 | master +--fork->-+--+ streamN +---amf0--+>--+  cli  +
 +--------+         |  +---------+         |   +-------+
                    |  +-------------+     |
                    +--+ back source +-----+
                       +-------------+
Remark:
(1) master listen the global api port, for example, 33330
(2) back source and stream processes listen at private api port, 
    for example, 33331, 33332, 33333
(3) work processes(stream and back-source), report private api
    port to master global api port.
(4) cli connect to master global api port, get all other private
    api ports
(5) cli connect to each stream/back-source process to get api data,
    cli analysis and summary the data, return to user.

Bandwidth Test Workflow

   +------------+                    +----------+
   |  Client    |                    |  Server  |
   +-----+------+                    +-----+----+
         |                                 |
         |   connect vhost------------->   |
         |   <-----------result(success)   |
         |                                 |
         |   <----------call(start play)   |
         |   result(playing)---------->    |
         |   <-------------data(playing)   |
         |   <-----------call(stop play)   |
         |   result(stopped)---------->    |
         |                                 |
         |   <-------call(start publish)   |
         |   result(publishing)------->    |
         |   data(publishing)--------->    |
         |   <--------call(stop publish)   |
         |   result(stopped)(1)------->    |
         |                                 |
         |   <--------------------report   |
         |   final(2)----------------->    |
         |           <END>                 |
         
@See: class SrsBandwidth comments.

Beijing, 2013.10
Winlin

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