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SRS is industrial-strength live streaming cluster, for the best conceptual integrity and the simplest implementation.

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<<<<<<< HEAD Simple RTMP Server

CircleCI Gitter

SRS is industrial-strength live streaming cluster, for the best conceptual integrity and the simplest implementation.

Branches

The branches of srs:

  1. Release 1.0, Basic rtmp/hls streaming cluster
  2. Release 2.0 CircleCI, Advanced rtmp/flv/hls streaming cluster.
  3. Develop CircleCI, the develop branch.
  4. Master branch are closed.

Links

Server side:

  1. oryx(srs+), the srs+ streaming cluster
  2. oryx-lib, the library for oryx
  3. srs-console, a web console to manage srs

Client side:

  1. srs-librtmp, the librtmp-like client library
  2. librtmp, client rtmp library, integrated with srs
  3. yasea, RTMP streaming client for Android
  4. exoplayer, An extensible media player for Android
  5. videojs and videojs-flow(flv live over websocket) plugin.
  6. srs-bench, SB(SRS Bench) is a http/rtmp/hls load benchmark tool base on ST and srs-librtmp.

Winlin

=======

Simple-RTMP-Server

CircleCI Wechat Skype

SRS/2.0, ZhouGuowen

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。
SRS is industrial-strength live streaming cluster, for the best conceptual integrity and the simplest implementation.

Download from github.io: Centos6-x86_64, more...
Download from ossrs.net: Centos6-x86_64, more...
Website for SRS/2.0, read SRS 2.0 Chinese or English.

Why SRS?

  1. Completely rewrite HLS following m3u8/ts spec, and HLS support h.264+aac/mp3.
  2. High efficient RTMP deliverying support 7k+ concurrency, vhost based, both origin and edge.
  3. Embeded simplified media HTTP server for HLS, api and HTTP flv/ts/mp3/aac streaming.
  4. Variety input: RTMP, pull by ingest file or stream(HTTP/RTMP/RTSP), push by stream caster RTSP/MPEGTS-over-UDP.
  5. Popular internet delivery: RTMP/HDS for flash, HLS for mobile(IOS/IPad/MAC/Android), HTTP flv/ts/mp3/aac streaming for user prefered.
  6. Enhanced DVR and hstrs: segment/session/append plan, customer path and HTTP callback. the hstrs(http stream trigger rtmp source) enable the http-flv stream standby util encoder start publish, similar to rtmp, which will trigger edge to fetch from origin.
  7. Multiple feature: transcode, forward, ingest, http hooks, dvr, hls, rtsp, http streaming, http api, refer, log, bandwith test and srs-librtmp.
  8. Best maintainess: simple arch over state-threads(coroutine), single thread, single process and for linux/osx platform, common server x86-64/i386/arm/mips cpus, rich comments, strictly follows RTMP/HLS/RTSP spec.
  9. Easy to use: both English and Chinese wiki, typically config files in trunk/conf, traceable and session based log, linux service script and install script.
  10. MIT license, open source with product management and evolution.

Enjoy it!

About

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

SRS delivers rtmp/hls/http/hds live on x86/x64/arm/mips linux/osx, supports origin/edge/vhost and transcode/ingest and dvr/forward and http-api/http-callback/reload, introduces tracable session-oriented log, exports client srs-librtmp, with stream caster to push MPEGTS-over-UDP/RTSP to SRS, provides EN/CN wiki and the most simple architecture.

AUTHORS

There are two types of people that have contributed to the SRS project:

  • AUTHORS: Contribute important features. Names of all PRIMARY response in NetConnection.connect and metadata.
  • CONTRIBUTORS: Submit patches, report bugs, add translations, help answer newbie questions, and generally make SRS that much better.

About all PRIMARY, AUTHORS and CONTRIBUTORS, read AUTHORS.txt.

A big THANK YOU goes to:

  • All friends of SRS 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.

Mirrors

Github: https://github.com/ossrs/srs, the GIT usage(CN, EN)

git clone https://github.com/ossrs/srs.git

CSDN: https://code.csdn.net/winlinvip/srs-csdn, the GIT usage(CN, EN)

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

OSChina: http://git.oschina.net/winlinvip/srs.oschina, the GIT usage(CN, EN)

git clone https://git.oschina.net/winlinvip/srs.oschina.git

Gitlab: https://gitlab.com/winlinvip/srs-gitlab, the GIT usage(CN, EN)

git clone https://gitlab.com/winlinvip/srs-gitlab.git

Usage

Step 1: get SRS

git clone https://github.com/ossrs/srs &&
cd srs/trunk

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

./configure && make

Step 3: start SRS

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

See also:

  • Usage: How to delivery RTMP?(CN, EN)
  • Usage: How to delivery RTMP Cluster?(CN, EN)
  • Usage: How to delivery HTTP FLV Live Streaming?(CN, EN)
  • Usage: How to delivery HTTP FLV Live Streaming Cluster?(CN, EN)
  • Usage: How to delivery HLS?(CN, EN)
  • Usage: How to delivery HLS for other codec?(CN, EN)
  • Usage: How to transode RTMP stream by SRS?(CN, EN)
  • Usage: How to forward stream to other server?(CN, EN)
  • Usage: How to deploy low lantency application?(CN, EN)
  • Usage: How to deploy SRS on ARM?(CN, EN)
  • Usage: How to ingest file/stream/device to SRS?(CN, EN)
  • Usage: How to use SRS-HTTP-server to delivery HTTP/HLS stream?(CN, EN)
  • Usage: How to show the demo of (CN, EN)
  • Usage: How to publish h.264 raw stream to CN, EN)
  • Usage: Solution using SRS?(CN, EN)
  • Usage: Why SRS?(CN, EN)

Wiki

SRS 1.0 wiki

Please select your language:

SRS 2.0 wiki

Please select your language:

System Requirements

Supported operating systems and hardware:

  • All Linux , both 32 and 64 bits
  • Apple OSX(Darwin), both 32 and 64bits.
  • All hardware with x86/x86_64/arm/mips cpu.

Features

  1. Simple, also stable enough.
  2. High-performance(CN, EN): single-thread, async socket, event/st-thread driven.
  3. High-concurrency(CN, EN), 6000+ connections(500kbps), 900Mbps, CPU 90.2%, 41MB
  4. Support RTMP Origin Server(CN,EN)
  5. Support RTMP Edge Server(CN, EN) for CDN, push/pull stream from any RTMP server
  6. Support single process; no multiple processes.
  7. Support Vhost(CN, EN), support __defaultVhost__.
  8. Support RTMP(CN, EN) live streaming; no vod streaming.
  9. Support Apple HLS(m3u8)(CN, EN) live streaming.
  10. Support HLS audio-only(CN, EN) live streaming.
  11. Support Reload(CN, EN) config to enable changes.
  12. Support cache last gop(CN, EN) for flash player to fast startup.
  13. Support listen at multiple ports.
  14. Support long time(>4.6hours) publish/play.
  15. Support Forward(CN, EN) in master-slave mode.
  16. Support live stream Transcoding(CN, EN) by ffmpeg.
  17. Support ffmpeg(CN, EN) filters(logo/overlay/crop), x264 params, copy/vn/an.
  18. Support audio transcode(CN, EN) only, speex/mp3 to aac
  19. Support http callback api hooks(CN, EN)(for authentication and injection).
  20. Support bandwidth test(CN, EN) api and flash client.
  21. Player, publisher(encoder), and demo pages(jquery+bootstrap)(CN,EN).
  22. Demo(CN, EN) video meeting or chat(SRS+cherrypy+jquery+bootstrap).
  23. Full documents in wiki(CN, EN), both Chinese and English.
  24. Support RTMP(play-publish) library: srs-librtmp(CN, EN)
  25. Support ARM cpu arch(CN, EN) with rtmp/ssl/hls/librtmp.
  26. Support init.d(CN, EN) and packge script, log to file.
  27. Support RTMP ATC(CN, EN) for HLS/HDS to support backup(failover)
  28. Support HTTP RESTful management api(CN, EN).
  29. Support Ingest(CN, EN) FILE/HTTP/RTMP/RTSP(RTP, SDP) to RTMP using external tools(e.g ffmepg).
  30. Support DVR(CN, EN), record live to flv file for vod.
  31. Support tracable log, session based log(CN, EN).
  32. Support DRM token traverse(CN, EN) for fms origin authenticate.
  33. Support system full utest on gtest.
  34. Support embeded HTTP server(CN, EN) for hls(live/vod)
  35. Support vod stream(http flv/hls vod stream)(CN, EN).
  36. Stable 1.0release branch.
  37. Support publish h264 raw stream(CN, EN) by srs-librtmp.
  38. Support 6k+ clients, 3Gbps per process.
  39. Suppport English wiki.
  40. Research and simplify st, bug #182.
  41. Support compile srs-librtmp on windows, bug #213.
  42. Support 10k+ clients, 4Gbps per process.
  43. Support publish aac adts raw stream(CN, EN) by srs-librtmp.
  44. Support 0.1s+ latency, read bug #257.
  45. Support allow/deny publish/play for all or specified ip(CN, EN).
  46. Support custom dvr path and http callback, read bug #179 and bug #274.
  47. Support rtmp remux to http flv/mp3/aac/ts live stream, read bug #293(CN, EN).
  48. Support HLS(h.264+mp3) streaming, read bug #301.
  49. Rewrite HLS(h.264+aac/mp3) streaming, read bug #304.
  50. [dev] Realease 2.0release branch.
  51. [experiment] Support Adobe HDS(f4m)(CN, EN) dynamic streaming.
  52. [experiment] Support push MPEG-TS over UDP to SRS, read bug #250.
  53. [experiment] Support push RTSP to SRS, read bug #133.
  54. [experiment] Support push flv stream over HTTP POST to SRS, read [wiki](CN, EN).
  55. [experiment] Support srs-dolphin, the multiple-process SRS.
  56. [experiment] Support remote console, read srs-ngb.

Compare

Compare SRS with other media server.

Stream Delivery

Feature SRS NGINX CRTMPD FMS WOWZA
RTMP Stable Stable Stable Stable Stable
HLS Stable Stable X Stable Stable
HDS Experiment X X Stable Stable
HTTP FLV Stable X X X X
HLS(aonly) Stable X X Stable Stable
HTTP Server Stable Stable X X Stable

Cluster

Feature SRS NGINX CRTMPD FMS WOWZA
RTMP Edge Stable X X Stable X
RTMP Backup Stable X X X X
VHOST Stable X X Stable Stable
Reload Stable X X X X
Forward Stable X X X X
ATC Stable X X X X

Stream Service

Feature SRS NGINX CRTMPD FMS WOWZA
DVR Stable Stable X X Stable
Transcode Stable X X X Stable
HTTP API Stable Stable X X Stable
HTTP hooks Stable X X X X
GopCache Stable X X Stable X
Security Stable Stable X X Stable
Token Traverse Stable X X Stable X

Efficiency

Feature SRS NGINX CRTMPD FMS WOWZA
Concurrency 7.5k 3k 2k 2k 3k
MultipleProcess Experiment Stable X X X
RTMP Latency 0.1s 3s 3s 3s 3s
HLS Latency 10s 30s X 30s 30s

Stream Caster

Feature SRS NGINX CRTMPD FMS WOWZA
Ingest Stable X X X X
Push MPEGTS Experiment X X X Stable
Push RTSP Experiment X Stable X Stable
Push HTTP FLV Experiment X X X X

Debug System

Feature SRS NGINX CRTMPD FMS WOWZA
BW check Stable X X X X
Tracable Log Stable X X X X

Docs

Feature SRS NGINX CRTMPD FMS WOWZA
Demos Stable X X X X
WIKI(EN+CN) Stable EN only X X Stable

Others

Feature SRS NGINX CRTMPD FMS WOWZA
ARM/MIPS Stable Stable X X X
Client Library Stable X X X X

Remark:

  1. Concurrency: The concurrency of single process.
  2. MultipleProcess: SRS is single process, while srs-dolphin is a MultipleProcess SRS.
  3. HLS aonly: The HLS audio only streaming delivery.
  4. BW check: The bandwidth check.
  5. Security: To allow or deny stream publish or play.
  6. Reload: Nginx supports reload, but not nginx-rtmp.

Releases

History

  • v2.0, 2017-05-01, Fix #865, shouldn't remove ts/m3u8 when hls_dispose disabled. 2.0.242
  • v2.0, 2017-04-30, Fix #636, FD leak for requesting empty HTTP stream. 2.0.241
  • v2.0, 2017-04-23, Fix #851, HTTP API support number of video frames for FPS. 2.0.240
  • v2.0, 2017-04-18, 2.0 release1(2.0.239) released. 86515 lines.
  • v2.0, 2017-04-18, Fix #848, crash at HTTP fast buffer grow. 2.0.239
  • v2.0, 2017-04-15, Fix #844, support Haivision encoder. 2.0.238
  • v2.0, 2017-04-15, Merge #846, fix fd leak for FLV stream caster. 2.0.237
  • v2.0, 2017-04-15, Merge #841, avoid the duplicated sps/pps in ts. 2.0.236
  • v2.0, 2017-04-09, Fix #834, crash for TS context corrupt. 2.0.235
  • v2.0, 2017-03-03, 2.0 release0(2.0.234) released. 86373 lines.
  • v2.0, 2017-02-25, for #730, remove the test code. 2.0.234
  • v2.0, 2017-02-09, fix #503 disable utilities when reload a source. 2.0.233
  • v2.0, 2017-01-22, for #752 release the io then free it for kbps. 2.0.232
  • v2.0, 2017-01-18, fix #750 use specific error code for dns resolve. 2.0.231
  • v2.0, 2017-01-18, 2.0 beta4(2.0.230) released. 86334 lines.
  • v2.0, 2017-01-18, fix #749, timestamp overflow for ATC. 2.0.230
  • v2.0, 2017-01-11, fix #740, convert ts aac audio private stream 1 to common. 2.0.229
  • v2.0, 2017-01-11, fix #588, kbps interface error. 2.0.228
  • v2.0, 2017-01-11, fix #736, recovery the hls dispose. 2.0.227
  • v2.0, 2017-01-10, refine hls html5 video template.
  • v2.0, 2017-01-10, fix #635, hls support NonIDR(open gop). 2.0.226
  • v2.0, 2017-01-06, for #730, reset ack follow flash player rules. 2.0.225
  • v2.0, 2016-12-15, for #513, remove hls ram from srs2 to srs3+. 2.0.224
  • v2.0, 2016-12-13, 2.0 beta3(2.0.223) released. 86685 lines.
  • v2.0, 2016-12-13, fix #713, disable the source cleanup. 2.0.223
  • v2.0, 2016-12-13, fix #713, refine source to avoid critical fetch and create. 2.0.222
  • v2.0, 2016-11-09, 2.0 beta2(2.0.221) released. 86691 lines.
  • v2.0, 2016-11-05, fix #654, crash when source cleanup for edge. 2.0.221
  • v2.0, 2016-10-26, fix #666, crash when source cleanup for http-flv. 2.0.220
  • v2.0, 2016-10-10, fix #661, close fd after thread stopped. 2.0.219
  • v2.0, 2016-09-23, support asprocess for oryx. 2.0.218
  • v2.0, 2016-09-23, support change work_dir for oryx.
  • v2.0, 2016-09-15, fix #640, typo for rtmp type. 2.0.217
  • v2.0, 2016-09-12, fix fast stream error bug. 2.0.216
  • v2.0, 2016-09-09, 2.0 beta1(2.0.215) released. 89941 lines.
  • v2.0, 2016-09-09, refine librtmp comments about NALUs. 2.0.215
  • v2.0, 2016-09-05, fix memory leak at source. 2.0.214
  • v2.0, 2016-09-05, fix memory leak at handshake. 2.0.213
  • v2.0, 2016-09-04, support valgrind for patched st.
  • v2.0, 2016-09-03, support all arm for patched st. 2.0.212
  • v2.0, 2016-09-01, workaround #511 the fly stfd in close. 2.0.211
  • v2.0, 2016-08-30, comment the pcr.
  • v2.0, 2016-08-18, fix srs-librtmp#4 filter frame.
  • v2.0, 2016-08-10, fix socket timeout for librtmp.
  • v2.0, 2016-08-08, fix the crash by srs_info log.
  • v2.0, 2016-08-06, 2.0 beta0(2.0.210) released. 89704 lines.
  • v2.0, 2016-05-17, fix the sps pps parse bug.
  • v2.0, 2016-01-13, fix http reader bug, support infinite chunked. 2.0.209
  • v2.0, 2016-01-09, merge #559 fix memory leak bug. 2.0.208
  • v2.0, 2016-01-09, merge #558 add tcUrl for on_publish.
  • v2.0, 2016-01-05, add keyword XCORE for coredump to identify the version. 2.0.207
  • v2.0, 2015-12-23, 2.0 alpha3(2.0.205) released. 89544 lines.
  • v2.0, 2015-12-22, for #509 always alloc big object at heap. 2.0.205
  • v2.0, 2015-12-22, for #418 ignore null connect props to make RED5 happy. 2.0.204
  • v2.0, 2015-12-22, for #546 thread terminate normally dispose bug. 2.0.203
  • v2.0, 2015-12-22, for #541 failed when chunk size too small. 2.0.202
  • v2.0, 2015-12-15, default hls_on_error to continue. 2.0.201
  • v2.0, 2015-11-16, for #518 fix fd leak bug when fork. 2.0.200
  • v2.0, 2015-11-05, for #511 fix bug for restart thread. 2.0.199
  • v2.0, 2015-11-02, for #515 use srs_freepa and SrsAutoFreeA for array. 2.0.198
  • v2.0, 2015-10-28, for ExoPlayer #828, remove duration for live.
  • v2.0, 2015-10-28, for ExoPlayer #828, add av tag in flv header. 2.0.197
  • v2.0, 2015-10-27, for #512 partial hotfix the hls pure audio. 2.0.196
  • v2.0, 2015-10-08, 2.0 alpha2(2.0.195) released. 89358 lines.
  • v2.0, 2015-10-04, for #448 fix the bug of response of http hooks. 2.0.195
  • v2.0, 2015-10-01, for #497 response error when client not found to kickoff. 2.0.194
  • v2.0, 2015-10-01, for #495 decrease the srs-librtmp size. 2.0.193
  • v2.0, 2015-09-23, for #485 error when arm glibc 2.15+ or not i386/x86_64/amd64. 2.0.192
  • v2.0, 2015-09-23, for #485 srs for respberrypi and cubieboard. 2.0.191
  • v2.0, 2015-09-21, fix #484 hotfix the openssl build script 2.0.190
  • v2.0, 2015-09-14, 2.0 alpha1(2.0.189) released. 89269 lines.
  • v2.0, 2015-09-14, fix #474 config to donot parse width/height from sps. 2.0.189
  • v2.0, 2015-09-14, for #474 always release publish for source.
  • v2.0, 2015-09-14, for #458 http hooks use source thread cid. 2.0.188
  • v2.0, 2015-09-14, for #475 fix http hooks crash for st context switch. 2.0.187
  • v2.0, 2015-09-09, support reload utc_time. 2.0.186
  • v2.0, 2015-08-23, 2.0 alpha0(2.0.185) released. 89022 lines.
  • v2.0, 2015-08-22, HTTP API support JSONP by specifies the query string callback=xxx.
  • v2.0, 2015-08-20, fix #380, srs-librtmp send sequence header when sps or pps changed.
  • v2.0, 2015-08-18, close #454, support obs restart publish. 2.0.184
  • v2.0, 2015-08-14, use reduce_sequence_header for stream control.
  • v2.0, 2015-08-14, use send_min_interval for stream control. 2.0.183
  • v2.0, 2015-08-12, enable the SRS_PERF_TCP_NODELAY and add config tcp_nodelay. 2.0.182
  • v2.0, 2015-08-11, for #442 support kickoff connected client. 2.0.181
  • v2.0, 2015-07-21, for #169 support default values for transcode. 2.0.180
  • v2.0, 2015-07-21, fix #435 add pageUrl for HTTP callback on_play.
  • v2.0, 2015-07-20, refine the hls, ignore packet when no sequence header. 2.0.179
  • v2.0, 2015-07-16, for #441 use 30s timeout for first msg. 2.0.178
  • v2.0, 2015-07-14, refine hls disable the time jitter, support not mix monotonically increase. 2.0.177
  • v2.0, 2015-07-01, fix #433 fix the sps parse bug. 2.0.176
  • v2.0, 2015-06-10, fix #425 refine the time jitter, correct (-inf,-250)+(250,+inf) to 10ms. 2.0.175
  • v2.0, 2015-06-10, fix #424 fix aggregate timestamp bug. 2.0.174
  • v2.0, 2015-06-06, fix #421 drop video for unkown RTMP header.
  • v2.0, 2015-06-05, fix #420 remove ts for hls ram mode.
  • v2.0, 2015-05-30, fix #209 cleanup hls when stop and timeout. 2.0.173.
  • v2.0, 2015-05-29, fix #409 support pure video hls. 2.0.172.
  • v2.0, 2015-05-28, support srs-dolphin, the multiple-process SRS.
  • v2.0, 2015-05-24, fix #404 register handler then start http thread. 2.0.167.
  • v2.0, 2015-05-23, refine the thread, protocol, kbps code. 2.0.166
  • v2.0, 2015-05-23, fix #391 copy request for async call.
  • v2.0, 2015-05-22, fix #397 the USER_HZ maybe not 100. 2.0.165
  • v2.0, 2015-05-22, for #400, parse when got entire http header, by feilong. 2.0.164.
  • v2.0, 2015-05-19, merge from bravo system, add the rtmfp to bms(commercial srs). 2.0.163.
  • v2.0, 2015-05-10, support push flv stream over HTTP POST to SRS.
  • v2.0, 2015-04-20, support ingest hls live stream to RTMP.
  • v2.0, 2015-04-15, for #383, support mix_correct algorithm. 2.0.161.
  • v2.0, 2015-04-13, for #381, support reap hls/ts by gop or not. 2.0.160.
  • v2.0, 2015-04-10, enhanced on_hls_notify, support HTTP GET when reap ts.
  • v2.0, 2015-04-10, refine the hls deviation for floor algorithm.
  • v2.0, 2015-04-08, for #375, fix hls bug, keep cc continous between ts files. 2.0.159.
  • v2.0, 2015-04-04, for #304, rewrite annexb mux for ts, refer to apple sample. 2.0.157.
  • v2.0, 2015-04-03, enhanced avc decode, parse the sps get width+height. 2.0.156.
  • v2.0, 2015-04-03, for #372, support transform vhost of edge 2.0.155.
  • v2.0, 2015-03-30, for #366, config hls to disable cleanup of ts. 2.0.154.
  • v2.0, 2015-03-31, support server cycle handler. 2.0.153.
  • v2.0, 2015-03-31, support on_hls for http hooks. 2.0.152.
  • v2.0, 2015-03-31, enhanced hls, support deviation for duration. 2.0.151.
  • v2.0, 2015-03-30, for #351, support config the m3u8/ts path for hls. 2.0.149.
  • v2.0, 2015-03-17, for #155, osx(darwin) support demo with nginx and ffmpeg. 2.0.143.
  • v2.0, 2015-03-15, start 2.0release branch, 80773 lines.
  • v2.0, 2015-03-14, fix #324, support hstrs(http stream trigger rtmp source) edge mode. 2.0.140.
  • v2.0, 2015-03-14, for #324, support hstrs(http stream trigger rtmp source) origin mode. 2.0.139.
  • v2.0, 2015-03-12, fix #328, support adobe hds. 2.0.138.
  • v2.0, 2015-03-10, fix #155, support osx(darwin) for mac pro. 2.0.137.
  • v2.0, 2015-03-08, fix #316, http api provides stream/vhost/srs/server bytes, codec and count. 2.0.136.
  • v2.0, 2015-03-08, fix #310, refine aac LC, support aac HE/HEv2. 2.0.134.
  • v2.0, 2015-03-06, for #322, fix http-flv stream bug, support multiple streams. 2.0.133.
  • v2.0, 2015-03-06, refine http request parse. 2.0.132.
  • v2.0, 2015-03-01, for #179, revert dvr http api. 2.0.128.
  • v2.0, 2015-02-24, for #304, fix hls bug, write pts/dts error. 2.0.124
  • v2.0, 2015-02-19, refine dvr, append file when dvr file exists. 2.0.122.
  • v2.0, 2015-02-19, refine pithy print to more easyer to use. 2.0.121.
  • v2.0, 2015-02-18, fix #133, support push rtsp to srs. 2.0.120.
  • v2.0, 2015-02-17, the join maybe failed, should use a variable to ensure thread terminated. 2.0.119.
  • v2.0, 2015-02-15, for #304, support config default acodec/vcodec. 2.0.118.
  • v2.0, 2015-02-15, for #304, rewrite hls/ts code, support h.264+mp3 for hls. 2.0.117.
  • v2.0, 2015-02-12, for #304, use stringstream to generate m3u8, add hls_td_ratio. 2.0.116.
  • v2.0, 2015-02-11, dev code ZhouGuowen for 2.0.115.
  • v2.0, 2015-02-10, for #311, set pcr_base to dts. 2.0.114.
  • v2.0, 2015-02-10, fix the bug of ibmf format which decoded in annexb.
  • v2.0, 2015-02-10, for #310, downcast aac SSR to LC. 2.0.113
  • v2.0, 2015-02-03, fix #136, support hls without io(in ram). 2.0.112
  • v2.0, 2015-01-31, for #250, support push MPEGTS over UDP to SRS. 2.0.111
  • v2.0, 2015-01-29, build libfdk-aac in ffmpeg. 2.0.108
  • v2.0, 2015-01-25, for #301, hls support h.264+mp3, ok for vlc. 2.0.107
  • v2.0, 2015-01-25, for #301, http ts stream support h.264+mp3. 2.0.106
  • v2.0, 2015-01-25, hotfix #268, refine the pcr start at 0, dts/pts plus delay. 2.0.105
  • v2.0, 2015-01-25, hotfix #151, refine pcr=dts-800ms and use dts/pts directly. 2.0.104
  • v2.0, 2015-01-23, hotfix #151, use absolutely overflow to make jwplayer happy. 2.0.103
  • v2.0, 2015-01-22, for #293, support http live ts stream. 2.0.101.
  • v2.0, 2015-01-19, for #293, support http live flv/aac/mp3 stream with fast cache. 2.0.100.
  • v2.0, 2015-01-18, for #293, support rtmp remux to http flv live stream. 2.0.99.
  • v2.0, 2015-01-17, fix #277, refine http server refer to go http-framework. 2.0.98
  • v2.0, 2015-01-17, for #277, refine http api refer to go http-framework. 2.0.97
  • v2.0, 2015-01-17, hotfix #290, use iformat only for rtmp input. 2.0.95
  • v2.0, 2015-01-08, hotfix #281, fix hls bug ignore type-9 send aud. 2.0.93
  • v2.0, 2015-01-03, fix #274, http-callback support on_dvr when reap a dvr file. 2.0.89
  • v2.0, 2015-01-03, hotfix to remove the pageUrl for http callback. 2.0.88
  • v2.0, 2015-01-03, fix #179, dvr support custom filepath by variables. 2.0.87
  • v2.0, 2015-01-02, fix #211, support security allow/deny publish/play all/ip. 2.0.86
  • v2.0, 2015-01-02, hotfix #207, trim the last 0 of log. 2.0.85
  • v2.0, 2014-01-02, fix #158, http-callback check http status code ok(200). 2.0.84
  • v2.0, 2015-01-02, hotfix #216, http-callback post in application/json content-type. 2.0.83
  • v2.0, 2014-01-02, fix #263, srs-librtmp flv read tag should init size. 2.0.82
  • v2.0, 2015-01-01, hotfix #270, memory leak for http client post. 2.0.81
  • v2.0, 2014-12-12, fix #266, aac profile is object id plus one. 2.0.80
  • v2.0, 2014-12-29, hotfix #267, the forward dest ep should use server. 2.0.79
  • v2.0, 2014-12-29, hotfix #268, the hls pcr is negative when startup. 2.0.78
  • v2.0, 2014-12-22, hotfix #264, ignore NALU when sequence header to make HLS happy. 2.0.76
  • v2.0, 2014-12-20, hotfix #264, support disconnect publish connect when hls error. 2.0.75
  • v2.0, 2014-12-12, fix #257, support 0.1s+ latency. 2.0.70
  • v2.0, 2014-12-08, update wiki for mr(EN, CN) and mw(EN, CN).
  • v2.0, 2014-12-07, fix #251, 10k+ clients, use queue cond wait and fast vector. 2.0.67
  • v2.0, 2014-12-05, fix #251, 9k+ clients, use fast cache for msgs queue. 2.0.57
  • v2.0, 2014-12-04, fix #241, add mw(merged-write) config. 2.0.53
  • v2.0, 2014-12-04, for #241, support mr(merged-read) config and reload. 2.0.52.
  • v2.0, 2014-12-04, enable #241 and #248, +25% performance, 2.5k publisher. 2.0.50
  • v2.0, 2014-12-04, fix #248, improve about 15% performance for fast buffer. 2.0.49
  • v2.0, 2014-12-03, fix #244, conn thread use cond to wait for recv thread error. 2.0.47.
  • v2.0, 2014-12-02, merge #239, traverse the token before response connect. 2.0.45.
  • v2.0, 2014-12-02, srs-librtmp support hijack io apis for st-load. 2.0.42.
  • v2.0, 2014-12-01, for #237, refine syscall for recv, supports 1.5k clients. 2.0.41.
  • v2.0, 2014-11-30, add qtcreate project file trunk/src/qt/srs/srs-qt.pro. 2.0.39.
  • v2.0, 2014-11-29, fix #235, refine handshake, replace union with template method. 2.0.38.
  • v2.0, 2014-11-28, fix #215, add srs_rtmp_dump tool. 2.0.37.
  • v2.0, 2014-11-25, update PRIMARY, AUTHORS, CONTRIBUTORS rule. 2.0.32.
  • v2.0, 2014-11-24, fix #212, support publish aac adts raw stream. 2.0.31.
  • v2.0, 2014-11-22, fix #217, remove timeout recv, support 7.5k+ 250kbps clients. 2.0.30.
  • v2.0, 2014-11-21, srs-librtmp add rtmp prefix for rtmp/utils/human apis. 2.0.29.
  • v2.0, 2014-11-21, refine examples of srs-librtmp, add srs_print_rtmp_packet. 2.0.28.
  • v2.0, 2014-11-20, fix #212, support publish audio raw frames. 2.0.27
  • v2.0, 2014-11-19, fix #213, support compile srs-librtmp on windows, bug #213. 2.0.26
  • v2.0, 2014-11-18, all wiki translated to English. 2.0.23.
  • v2.0, 2014-11-15, fix #204, srs-librtmp drop duplicated sps/pps(sequence header). 2.0.22.
  • v2.0, 2014-11-15, fix #203, srs-librtmp drop any video before sps/pps(sequence header). 2.0.21.
  • v2.0, 2014-11-15, fix #202, fix memory leak of h.264 raw packet send in srs-librtmp. 2.0.20.
  • v2.0, 2014-11-13, fix #200, deadloop when read/write 0 and ETIME. 2.0.16.
  • v2.0, 2014-11-13, fix #194, writev multiple msgs, support 6k+ 250kbps clients. 2.0.15.
  • v2.0, 2014-11-12, fix #194, optmized st for timeout recv. pulse to 500ms. 2.0.14.
  • v2.0, 2014-11-11, fix #195, remove the confuse code st_usleep(0). 2.0.13.
  • v2.0, 2014-11-08, fix #191, configure --export-librtmp-project and --export-librtmp-single. 2.0.11.
  • v2.0, 2014-11-08, fix #66, srs-librtmp support write h264 raw packet. 2.0.9.
  • v2.0, 2014-10-25, fix #185, AMF0 support 0x0B the date type codec. 2.0.7.
  • v2.0, 2014-10-24, fix #186, hotfix for bug #186, drop connect args when not object. 2.0.6.
  • v2.0, 2014-10-24, rename wiki/xxx to wiki/v1_CN_xxx. 2.0.3.
  • v2.0, 2014-10-19, fix #184, support AnnexB in RTMP body for HLS. 2.0.2
  • v2.0, 2014-10-18, remove supports for OSX(darwin). 2.0.1.
  • v2.0, 2014-10-16, revert github srs README to English. 2.0.0.
  • v1.0, 2014-12-05, 1.0 release(1.0.10) released. 59391 lines.
  • v1.0, 2014-10-09, 1.0 beta(1.0.0) released. 59316 lines.
  • v1.0, 2014-10-08, fix #151, always reap ts whatever audio or video packet. 0.9.223.
  • v1.0, 2014-10-08, fix #162, failed if no epoll. 0.9.222.
  • v1.0, 2014-09-30, fix #180, crash for multiple edge publishing the same stream. 0.9.220.
  • v1.0, 2014-09-26, fix hls bug, refine config and log, according to clion of jetbrains. 0.9.216.
  • v1.0, 2014-09-25, fix #177, dvr segment add config dvr_wait_keyframe. 0.9.213.
  • v1.0, 2014-08-28, fix #167, add openssl includes to utest. 0.9.209.
  • v1.0, 2014-08-27, max connections is 32756, for st use mmap default. 0.9.209
  • v1.0, 2014-08-24, fix #150, forward should forward the sequence header when retry. 0.9.208.
  • v1.0, 2014-08-22, for #165, refine dh wrapper, ensure public key is 128bytes. 0.9.206.
  • v1.0, 2014-08-19, for #160, support forward/edge to flussonic, disable debug_srs_upnode to make flussonic happy. 0.9.201.
  • v1.0, 2014-08-17, for #155, refine for osx, with ssl/http, disable statistics. 0.9.198.
  • 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 partially 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, Forward
  • 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 SB, 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.

Play RTMP benchmark

The play RTMP benchmark by SB:

Update SRS Clients Type CPU Memory Commit
2013-11-28 0.5.0 1.8k(1800) players 90% 41M -
2014-07-12 0.9.156 1.8k(1800) players 68% 38MB -
2014-07-12 0.9.156 2.7k(2700) players 89% 61MB code
2014-11-11 1.0.5 2.7k(2700) players 85% 66MB -
2014-11-11 2.0.12 2.7k(2700) players 85% 66MB -
2014-11-12 2.0.14 2.7k(2700) players 69% 59MB -
2014-11-12 2.0.14 3.5k(3500) players 95% 78MB code
2014-11-13 2.0.15 6.0k(6000) players 82% 203MB code
2014-11-22 2.0.30 7.5k(7500) players 87% 320MB code
2014-12-05 2.0.55 8.0k(8000) players 89% 360MB code
2014-12-05 2.0.57 9.0k(9000) players 90% 468MB code
2014-12-07 2.0.67 10k(10000) players 95% 656MB code

Publish RTMP benchmark

The publish RTMP benchmark by SB:

Update SRS Clients Type CPU Memory Commit
2014-12-03 1.0.10 1.2k(1200) publishers 96% 43MB -
2014-12-03 2.0.12 1.2k(1200) publishers 96% 43MB -
2014-12-03 2.0.47 1.2k(1200) publishers 84% 76MB code
2014-12-03 2.0.47 1.4k(1400) publishers 95% 140MB -
2014-12-03 2.0.48 1.4k(1400) publishers 95% 140MB code
2014-12-04 2.0.49 1.4k(1400) publishers 68% 144MB -
2014-12-04 2.0.49 2.5k(2500) publishers 95% 404MB code
2014-12-04 2.0.51 2.5k(2500) publishers 91% 259MB code
2014-12-04 2.0.52 4.0k(4000) publishers 80% 331MB code

Play HTTP FLV benchmark

The play HTTP FLV benchmark by SB:

Update SRS Clients Type CPU Memory Commit
2014-05-24 2.0.167 1.0k(1000) players 82% 86MB -
2014-05-24 2.0.168 2.3k(2300) players 92% 276MB code
2014-05-24 2.0.169 3.0k(3000) players 94% 188MB code
2014-05-24 2.0.170 3.0k(3000) players 89% 96MB code
2014-05-25 2.0.171 6.0k(6000) players 84% 297MB code

Latency benchmark

The latency between encoder and player with realtime config(CN, EN): |

Update SRS VP6 H.264 VP6+MP3 H.264+MP3
2014-12-03 1.0.10 0.4s 0.4s 0.9s 1.2s
2014-12-12 2.0.70 0.1s 0.4s 1.0s 0.9s
2014-12-16 2.0.72 0.1s 0.4s 0.8s 0.6s

We use FMLE as encoder for benchmark. The latency of server is 0.1s+, and the bottleneck is the encoder. For more information, read bug #257.

HLS overhead

About the HLS overhead of SRS, we compare the overhead to FLV by remux the HLS to FLV by ffmpeg.

Bitrate Duration FLV(KB) HLS(KB) Overhead
275kbps 600s 11144 12756 14.46%
260kbps 1860s 59344 68004 14.59%
697kbps 60s 5116 5476 7.03%
565kbps 453s 31316 33544 7.11%
565kbps 1813s 125224 134140 7.12%
861kbps 497s 52316 54924 4.98%
857kbps 1862s 195008 204768 5.00%
1301kbps 505s 80320 83676 4.17%
1312kbps 1915s 306920 319680 4.15%
2707kbps 600s 198356 204560 3.12%
2814kbps 1800s 618456 637660 3.10%
2828kbps 60s 20716 21356 3.08%
2599kbps 307s 97580 100672 3.16%
2640kbps 1283s 413880 426912 3.14%
5254kbps 71s 45832 47056 2.67%
5147kbps 370s 195040 200280 2.68%
5158kbps 1327s 835664 858092 2.68%

The HLS overhead is calc by: (HLS - FLV) / FLV * 100%.

The overhead is larger than this benchmark(48kbps audio is best overhead), for we fix the #512.

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.

System Architecture

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

Modularity Architecture

+------------------------------------------------------+
|             Main(srs/ingest-hls/librtmp)             |
+------------------------------------------------------+
|           App(Server/Client application)             |
+------------------------------------------------------+
|         RTMP/HTTP/RawStream(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/HDS  --------+-> Flash player |
|  (FMLE,FFMPEG, -rtmp-+->-+-> HLS/HTTP ---------+-> M3u8 player  |
|  Flash,XSPLIT,       |   +-> FLV/MP3/Aac/Ts ---+-> HTTP player  |
|  ......)             |   +-> Fowarder ---------+-> RTMP server  |
|                      |   +-> Transcoder -------+-> RTMP server  |
|                      |   +-> DVR --------------+-> Flv file     |
|                      |   +-> BandwidthTest ----+-> flash        |
+----------------------+                         |                |
|  MediaSource(2)      |                         |                |
|  (RTSP,FILE,         |                         |                |
|   HTTP,HLS,   --pull-+->-- Ingester(3) -(rtmp)-+-> SRS          |
|   Device,            |                         |                |
|   ......)            |                         |                |
+----------------------+                         |                |
|  MediaSource(2)      |                         |                |
|  (RTSP,FILE,         |                         |                |
|   HTTP,HLS,   --push-+->-- Streamer(4) -(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. Read Ingest.
(4) Streamer: SRS will listen for some protocol and accept stream push 
over some protocol and remux to rtmp to SRS. Read Streamer.

Beijing, 2013.10
Winlin

ossrs/2.0release

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SRS is industrial-strength live streaming cluster, for the best conceptual integrity and the simplest implementation.

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