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SRS is a RTMP/HLS/WebRTC/SRT/GB28181 streaming cluster, high efficiency, stable and simple.

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SRS(Simple Realtime Server)

SRS/3.0，OuXuli，是一个流媒体集群，支持RTMP/HLS/FLV，高效、稳定、易用，简单而快乐。
SRS is a RTMP/HLS/FLV streaming cluster, high efficiency, stable and simple.

Remark: Although SRS is licenced under MIT, but there are some depended libraries which are distributed using their own licenses, please read License Mixing.

Usage

Recommend to run SRS by docker:

docker run --rm -p 1935:1935 -p 1985:1985 -p 8080:8080 \
    ossrs/srs:3

# Or, for developers in China to speedup.
docker run --rm -p 1935:1935 -p 1985:1985 -p 8080:8080 \
    registry.cn-hangzhou.aliyuncs.com/ossrs/srs:3

Note: All tags are available, such as ossrs/srs:v3.0-r3 for tag v3.0-r3, please check at here or there.

If it works, open http://localhost:8080/ to check it, then publish stream by:

ffmpeg -re -i doc/source.200kbps.768x320.flv -c copy \
    -f flv rtmp://localhost/live/livestream

# Or by FFmpeg docker
docker run --rm --network=host registry.cn-hangzhou.aliyuncs.com/ossrs/srs:encoder \
  ffmpeg -re -i ./doc/source.200kbps.768x320.flv -c copy \
      -f flv -y rtmp://localhost/live/livestream

Play the following streams by players:

The online demos and players are available on ossrs.net.

Strongly recommend reading bellow wikis:

  • How to deliver RTMP streaming?(CN, EN)
  • How to build RTMP Edge-Cluster?(CN, EN)
  • How to build RTMP Origin-Cluster?(CN, EN)
  • How to deliver HTTP-FLV streaming?(CN, EN)
  • How to deliver HLS streaming?(CN, EN)
  • How to deliver low-latency streaming?(CN, EN)

It's also very easy to build from source:

>>> Step 1: Get SRS.

git clone https://gitee.com/winlinvip/srs.oschina.git srs &&
cd srs/trunk && git remote set-url origin https://github.com/ossrs/srs.git && 
git checkout 3.0release && git pull

Note: We use mirrors(gitee) here, but it's also ok to directly clone by git clone https://github.com/ossrs/srs.git && cd srs/trunk

>>> Step 2: Build SRS.

./configure && make

Remark: Recommend to use Centos7 64bits, please read wiki(CN,EN).

Note: You can also build SRS in docker, please read docker.

>>> Step 3: Run SRS

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

Other documents:

  • Usage: How to transode RTMP stream by FFMPEG?(CN, EN)
  • Usage: How to delivery HTTP FLV Live Streaming Cluster?(CN, EN)
  • Usage: How to ingest file/stream/device to RTMP?(CN, EN)
  • Usage: How to forward stream to other servers?(CN, EN)
  • Usage: How to improve edge performance for multiple CPUs? (CN, EN)
  • Usage: How to file a bug or contact us? (CN, EN)
  • SRS 3.0 English Wiki
  • SRS 3.0 Chinese Wiki

Features

  • Using coroutine by ST, it's really simple and stupid enough.
  • Support cluster which consists of origin (CN,EN) and edge(CN, EN) server and uses RTMP as default transport protocol.
  • Origin server supports remuxing RTMP to HTTP-FLV(CN, EN) and HLS(CN, EN).
  • Edge server supports remuxing RTMP to HTTP-FLV(CN, EN). As for HLS(CN, EN) edge server, recomment to use HTTP edge server, such as NGINX.
  • Support HLS with audio-only(CN, EN), which need to build the timestamp from AAC samples, so we enhanced it please read #547.
  • Support HLS with mp3(h.264+mp3) audio codec, please read bug #301.
  • Support remuxing RTMP to http FLV/MP3/AAC/TS live streaming, please read wiki(CN, EN).
  • Support ingesting(CN, EN) other protocols to SRS by FFMPEG.
  • Support RTMP long time(>4.6hours) publishing/playing, with the timestamp corrected.
  • Support publishing h264 raw stream(CN, EN) by srs-librtmp(CN, EN).
  • Support publishing aac adts raw stream(CN, EN) by srs-librtmp(CN, EN).
  • Support native HTTP server(CN, EN) for http api and http live streaming.
  • Support HTTP CORS for js in http api and http live streaming.
  • Support HTTP API(CN, EN) for system management.
  • Support HTTP callback(CN, EN) for authentication and integration.
  • Support DVR(CN, EN) to record live streaming to FLV file.
  • Support DVR control module like NGINX-RTMP, please read #459.
  • Support EXEC like NGINX-RTMP, please read bug #367.
  • Support security strategy including allow/deny publish/play IP(CN, EN).
  • Support low latency(0.1s+) transport model, please read bug #257.
  • Support gop-cache(CN, EN) for player fast startup.
  • Support Vhost(CN, EN) and __defaultVhost__.
  • Support reloading(CN, EN) to apply changes of config.
  • Support listening at multiple ports.
  • Support forwarding(CN, EN) from master to slave server.
  • Support transcoding(CN, EN) live streaming by FFMPEG.
  • All wikis are writen in Chinese and English.
  • Enhanced json, replace NXJSON(LGPL) with json-parser(BSD), read #904.
  • Support valgrind and latest ARM by patching ST, read ST#1 and ST#2.
  • Support tracable and session-based log(CN, EN).
  • High concurrency and performance(CN, EN), 6000+ connections(200kbps), CPU 82%, 203MB.
  • Enhanced complex error code with description and stack, read #913.
  • Enhanced RTMP url which supports vhost in stream, read #1059.
  • Support origin cluster, please read #464, RTMP 302.
  • Support listen at IPv4 and IPv6, read #460.
  • Support SO_REUSEPORT, to improve edge server performance, read #775.
  • Improve test coverage for core/kernel/protocol/service.
  • [Experimental] Support docker by srs-docker.
  • [Experimental] Support DVR in MP4 format, read #738.
  • [Experimental] Support MPEG-DASH, the future live streaming protocol, read #299.
  • [Experimental] Support pushing MPEG-TS over UDP, please read bug #250.
  • [Experimental] Support pushing RTSP, please read bug #133.
  • [Experimental] Support pushing FLV over HTTP POST, please read [wiki](CN, EN).
  • [Experimental] Support multiple processes by dolphin or oryx.
  • [Experimental] Support a simple mgmt console, please read srs-ngb.
  • [Experimental] Support RTMP client library: srs-librtmp(CN, EN)
  • [Experimental] Support HTTP RAW API, please read #459, #470, #319.
  • [Deprecated] Support Adobe HDS(f4m), please read wiki(CN, EN) and #1535.
  • [Deprecated] Support bandwidth testing(CN, EN), please read #1535.
  • [Deprecated] Support Adobe FMS/AMS token traverse(CN, EN) authentication, please read #1535.
  • Enhanced forwarding with vhost and variables.
  • Support source cleanup for idle streams.
  • Support H.265 by pushing H.265 over RTMP, deliverying in HLS, read #465.
  • Support HLS+, the HLS edge server, please read #466 and #468.
  • Support UDP protocol such as QUIC or KCP in cluster.
  • Support H.264+Opus codec for WebRTC.
  • Support publishing stream by WebRTC.
  • Support playing stream by WebRTC.

Remark: About the milestone and product plan, please read (CN, EN) wiki.

V3 changes

  • v3.0, 2021-03-05, Refine usage to docker by default. 3.0.158
  • v3.0, 2021-01-07, Change id from int to string for the statistics. 3.0.157
  • v3.0, 2021-01-02, 3.0 release3(3.0.156) released. 122736 lines.
  • v3.0, 2020-12-26, For RTMP edge/forward, pass vhost in tcUrl, not in stream. 3.0.156
  • v3.0, 2020-12-17, Fix #1694, Support DVR 2GB+ MP4 file. 3.0.155
  • v3.0, 2020-12-17, Fix #1548, Add edts in MP4 for Windows10. 3.0.154
  • v3.0, 2020-10-31, 3.0 release2(3.0.153) released. 122663 lines.
  • v3.0, 2020-10-31, Fix #509, Always malloc stack on heap. 3.0.153
  • v3.0, 2020-10-31, Remove some global elements for debugging. 3.0.152
  • v3.0, 2020-10-31, Use global _srs_server for debugging. 3.0.151
  • v3.0, 2020-10-31, Refine source cid, track previous one. 3.0.150
  • v3.0, 2020-10-25, Add hls.realtime.conf for low-latency HLS. 3.0.149
  • v3.0, 2020-10-24, Refine script and startup logs. 3.0.148
  • v3.0, 2020-10-23, Allow FFmpeg if exists at /usr/local/bin/ffmpeg. 3.0.147
  • v3.0, 2020-10-23, Refine build script, use libssl in docker. 3.0.146
  • v3.0, 2020-10-14, Fix #1987, Fix Kbps resample bug. 3.0.145
  • v3.0, 2020-10-10, 3.0 release1(3.0.144) released. 122674 lines.
  • v3.0, 2020-10-10, Fix #1780, build fail on Ubuntu20(focal). 3.0.144
  • v3.0, 2020-09-14, Prevent stop ingest for multiple times. 3.0.143
  • v3.0, 2020-09-10, RTC: Change SO_REUSEPORT fail to warning. 3.0.142
  • v3.0, 2020-06-27, 3.0 release0(3.0.141) released. 122674 lines.
  • v3.0, 2020-03-30, For #1672, fix dvr close file failed bug. 3.0.140
  • v3.0, 2020-03-29, 3.0 beta4(3.0.139) released. 122674 lines.
  • v3.0, 2020-03-28, Support multiple OS/Platform build cache. 3.0.139
  • v3.0, 2020-03-28, For #1250, support macOS, OSX, MacbookPro, Apple Darwin. 3.0.138
  • v3.0, 2020-03-21, For #1629, fix kickoff FLV client bug. 3.0.137
  • v3.0, 2020-03-21, For #1619, configure without utest by default. 3.0.136
  • v3.0, 2020-03-21, For #1651, fix return pnwrite of srs_write_large_iovs. 3.0.135
  • v3.0, 2020-03-18, 3.0 beta3(3.0.134) released. 122509 lines.
  • v3.0, 2020-03-12, For #1635, inotify watch ConfigMap for reload. 3.0.134
  • v3.0, 2020-03-12, For #1635, support auto reaload config by inotify. 3.0.129
  • v3.0, 2020-03-12, For #1630, disable cache for stream changing, and drop dup header. 3.0.128
  • v3.0, 2020-03-12, For #1594, detect and disable daemon for docker. 3.0.127
  • v3.0, 2020-03-12, For #1634, always check status in thread loop. 3.0.126
  • v3.0, 2020-03-11, For #1634, refactor output with datetime for ingest/encoder/exec. 3.0.125
  • v3.0, 2020-03-11, For #1634, fix quit by accident SIGTERM while killing FFMPEG. 3.0.124
  • v3.0, 2020-03-05, 3.0 beta2(3.0.123) released. 122170 lines.
  • v3.0, 2020-02-21, For #1598, support SLB health checking by TCP. 3.0.123
  • v3.0, 2020-02-21, Fix bug for librtmp client ipv4/ipv6 socket. 3.0.122
  • v3.0, 2020-02-18, For #1579, support start/final wait for gracefully quit. 3.0.121
  • v3.0, 2020-02-18, For #1579, support force gracefully quit. 3.0.120
  • v3.0, 2020-02-18, For #1579, support gracefully quit. 3.0.119
  • v3.0, 2020-02-17, For #1601, flush async on_dvr/on_hls events before stop. 3.0.118
  • v3.0, 2020-02-14, 3.0 beta1(3.0.117) released. 121964 lines.
  • v3.0, 2020-02-14, For #1595, migrating streaming from ossrs.net to r.ossrs.net. 3.0.117
  • v3.0, 2020-02-05, For #665, fix HTTP-FLV reloading bug. 3.0.116
  • v3.0, 2020-02-05, For #1592, fix terminal echo off by redirect process stdin. 3.0.115
  • v3.0, 2020-02-04, For #1186, refactor security check. 3.0.114
  • v3.0, 2020-02-04, Fix #939, response right A/V flag in FLV header. 3.0.113
  • v3.0, 2020-02-04, For #939, always enable fast FLV streaming.
  • v3.0, 2020-02-02, 3.0 beta0(3.0.112) released. 121709 lines.
  • v3.0, 2020-01-29, Support isolate version file. 3.0.112
  • v3.0, 2020-01-29, Fix #1206, dispose ingester while server quiting. 3.0.111
  • v3.0, 2020-01-28, Fix #1230, racing condition in source fetch or create. 3.0.110
  • v3.0, 2020-01-27, Fix #1303, do not dispatch previous meta when not publishing. 3.0.109
  • v3.0, 2020-01-26, Allow use libst.so for ST is MPL license.
  • v3.0, 2020-01-26, Fix #607, set RTMP identifying recursive depth to 3.
  • v3.0, 2020-01-25, Fix #878, remove deprecated #EXT-X-ALLOW-CACHE for HLS. 3.0.108
  • v3.0, 2020-01-25, Fix #703, drop video data util sps/pps. 3.0.107
  • v3.0, 2020-01-25, Fix #1108, reap DVR tmp file when unpublish. 3.0.106
  • v3.0, 2020-01-21, 3.0 alpha9(3.0.105) released. 121577 lines.
  • v3.0, 2020-01-21, Fix #1221, remove complex configure options. 3.0.104
  • v3.0, 2020-01-21, Fix #1547, support crossbuild for ARM/MIPS.
  • v3.0, 2020-01-21, For #1547, support setting cc/cxx/ar/ld/randlib tools. 3.0.103
  • v3.0, 2020-01-19, For #1580, fix cid range problem. 3.0.102
  • v3.0, 2020-01-19, For #1070, define FLV CodecID for AV1 and opus. 3.0.101
  • v3.0, 2020-01-16, For #1575, correct RTMP redirect as tcUrl, add redirect2 as RTMP URL. 3.0.100
  • v3.0, 2020-01-15, For #1509, decrease the fast vector init size from 64KB to 64B. 3.0.99
  • v3.0, 2020-01-15, For #1509, release coroutine when source is idle. 3.0.98
  • v3.0, 2020-01-10, 3.0 alpha8(3.0.97) released. 121555 lines.
  • v3.0, 2020-01-09, For #1042, improve test coverage for service. 3.0.97
  • v3.0, 2020-01-08, Merge #1554, support logrotate copytruncate. 3.0.96
  • v3.0, 2020-01-05, Always use string instance to avoid crash risk. 3.0.95
  • v3.0, 2020-01-05, For #460, fix ipv6 hostport parsing bug. 3.0.94
  • v3.0, 2020-01-05, For #460, fix ipv6 intranet address filter bug. 3.0.93
  • v3.0, 2020-01-05, For #1543, use getpeername to retrieve client ip. 3.0.92
  • v3.0, 2020-01-02, For #1042, improve test coverage for config. 3.0.91
  • v3.0, 2019-12-30, Fix mp4 security issue, check buffer when required size is variable.
  • v3.0, 2019-12-29, 3.0 alpha7(3.0.90) released. 116356 lines.
  • v3.0, 2019-12-29, For #1255, support vhost/domain in query string for HTTP streaming. 3.0.90
  • v3.0, 2019-12-29, For #299, increase dash segment size for avsync issue. 3.0.89
  • v3.0, 2019-12-27, For #299, fix some bugs in dash, it works now. 3.0.88
  • v3.0, 2019-12-27, For #1544, fix memory leaking for complex error. 3.0.87
  • v3.0, 2019-12-27, Add links for flv.js, hls.js and dash.js.
  • v3.0, 2019-12-26, For #1105, http server support mp4 range.
  • v3.0, 2019-12-26, For #1105, dvr mp4 supports playing on Chrome/Safari/Firefox. 3.0.86
  • v3.0, 2019-12-26, 3.0 alpha6(3.0.85) released. 116056 lines.
  • v3.0, 2019-12-26, For #1488, pass client ip to http callback. 3.0.85
  • v3.0, 2019-12-25, For #1537, #1282, support aarch64 for armv8. 3.0.84
  • v3.0, 2019-12-25, For #1538, fresh chunk allow fmt=0 or fmt=1. 3.0.83
  • v3.0, 2019-12-25, Remove FFMPEG and NGINX, please use srs-docker instead. 3.0.82
  • v3.0, 2019-12-25, For #1537, remove cross-build, not used patches, directly build st.
  • v3.0, 2019-12-24, For #1508, support chunk length and content in multiple parts.
  • v3.0, 2019-12-23, Merge SRS2 for running srs-librtmp on Windows. 3.0.80
  • v3.0, 2019-12-23, For #1535, deprecate Adobe FMS/AMS edge token traversing(CN, EN) authentication. 3.0.79
  • v3.0, 2019-12-23, For #1535, deprecate BWT(bandwidth testing)(CN, EN). 3.0.78
  • v3.0, 2019-12-23, For #1535, deprecate Adobe HDS(f4m)(CN, EN). 3.0.77
  • v3.0, 2019-12-20, Fix #1508, http-client support read chunked response. 3.0.76
  • v3.0, 2019-12-20, For #1508, refactor srs_is_digital, support all zeros.
  • v3.0, 2019-12-19, 3.0 alpha5(3.0.75) released. 115362 lines.
  • v3.0, 2019-12-19, Refine the RTMP iovs cache increasing to much faster.
  • v3.0, 2019-12-19, Fix #1524, memory leak for amf0 strict array. 3.0.75
  • v3.0, 2019-12-19, Fix random build failed bug for modules.
  • v3.0, 2019-12-19, Fix #1520 and #1223, bug for origin cluster 3+ servers. 3.0.74
  • v3.0, 2019-12-18, For #1042, add test for RAW AVC protocol.
  • v3.0, 2019-12-18, Detect whether flash enabled for srs-player. 3.0.73
  • v3.0, 2019-12-17, Fix HTTP CORS bug when sending response for OPTIONS. 3.0.72
  • v3.0, 2019-12-17, Enhance HTTP response write for final_request.
  • v3.0, 2019-12-17, Refactor HTTP stream to disconnect client when unpublish.
  • v3.0, 2019-12-17, Fix HTTP-FLV and VOD-FLV conflicting bug.
  • v3.0, 2019-12-17, Refactor HttpResponseWriter.write, default to single text mode.
  • v3.0, 2019-12-16, For #1042, add test for HTTP protocol.
  • v3.0, 2019-12-13, 3.0 alpha4(3.0.71) released. 112928 lines.
  • v3.0, 2019-12-12, For #547, #1506, default hls_dts_directly to on. 3.0.71
  • v3.0, 2019-12-12, SrsPacket supports converting to message, so can be sent by one API.
  • v3.0, 2019-12-11, For #1042, cover RTMP client/server protocol.
  • v3.0, 2019-12-11, Fix #1445, limit the createStream recursive depth. 3.0.70
  • v3.0, 2019-12-11, For #1042, cover RTMP handshake protocol.
  • v3.0, 2019-12-11, Fix #1229, fix the security risk in logger. 3.0.69
  • v3.0, 2019-12-11, For #1229, fix the security risk in HDS. 3.0.69
  • v3.0, 2019-12-05, Fix #1506, support directly turn FLV timestamp to TS DTS. 3.0.68
  • v3.0, 2019-11-30, 3.0 alpha3(3.0.67) released. 110864 lines.
  • v3.0, 2019-12-01, Fix #1501, use request coworker for origin cluster. 3.0.67
  • v3.0, 2019-11-30, 3.0 alpha2(3.0.66) released. 110831 lines.
  • v3.0, 2019-11-30, Fix #1501, use request coworker for origin cluster. 3.0.66
  • v3.0, 2019-11-30, Random tid for docker. 3.0.65
  • v3.0, 2019-11-30, Refine debug info for edge. 3.0.64
  • v3.0, 2019-10-30, Cover protocol stack RTMP. 3.0.63
  • v3.0, 2019-10-23, Cover JSON codec. 3.0.62
  • v3.0, 2019-10-13, Use http://ossrs.net as homepage.
  • v3.0, 2019-10-10, Cover AMF0 codec. 3.0.61
  • v3.0, 2019-10-07, 3.0 alpha1(3.0.60) released. 107962 lines.
  • v3.0, 2019-10-06, Support log rotate by init.d command. 3.0.60
  • v3.0, 2019-10-06, We prefer ipv4, only use ipv6 if ipv4 is disabled. 3.0.59
  • v3.0, 2019-10-05, Support systemctl service for CentOS7. 3.0.58
  • v3.0, 2019-10-04, Disable SO_REUSEPORT if not supported. 3.0.57
  • v3.0, 2019-10-04, 3.0 alpha0(3.0.56) released. 107946 lines.
  • v3.0, 2019-10-04, Support go-oryx rtmplb with proxy protocol. 3.0.56
  • v3.0, 2019-10-03, Fix #775, Support SO_REUSEPORT to improve edge performance. 3.0.54
  • v3.0, 2019-10-03, For #467, Remove KAFKA producer. 3.0.53
  • v3.0, 2019-05-14, Covert Kernel File reader/writer. 3.0.52
  • v3.0, 2019-04-30, Refine typo in files. 3.0.51
  • v3.0, 2019-04-25, Upgrade http-parser from 2.1 to 2.9.2 and cover it. 3.0.50
  • v3.0, 2019-04-22, Refine in time unit. 3.0.49
  • v3.0, 2019-04-07, Cover ST Coroutine and time unit. 3.0.48
  • v3.0, 2019-04-06, Merge #1304, Fix ST coroutine pull error. 3.0.47
  • v3.0, 2019-04-05, Merge #1339, Support HTTP-FLV params. 3.0.46
  • v3.0, 2018-11-11, Merge #1261, Support _definst_ for Wowza. 3.0.44
  • v3.0, 2018-08-26, SRS console support both Chinese and English.
  • v3.0, 2018-08-25, Fix #1093, Support HLS encryption. 3.0.42
  • v3.0, 2018-08-25, Fix #1051, Drop ts when republishing stream. 3.0.41
  • v3.0, 2018-08-12, For #1202, Support edge/forward to Aliyun CDN. 3.0.40
  • v3.0, 2018-08-11, For #910, Support HTTP FLV with HTTP callback. 3.0.39
  • v3.0, 2018-08-05, Refine HTTP-FLV latency, support realtime mode.3.0.38
  • v3.0, 2018-08-05, Fix #1087, Ignore iface without address. 3.0.37
  • v3.0, 2018-08-04, For #1110, Support params in http callback. 3.0.36
  • v3.0, 2018-08-02, Always use vhost in stream query, the unify uri. 3.0.35
  • v3.0, 2018-08-02, For #1031, SRS edge support douyu.com. 3.0.34
  • v3.0, 2018-07-22, Replace hex to string to match MIT license. 3.0.33
  • v3.0, 2018-07-22, Replace base64 to match MIT license. 3.0.32
  • v3.0, 2018-07-22, Replace crc32 IEEE and MPEG by pycrc to match MIT license. 3.0.31
  • v3.0, 2018-07-21, Replace crc32 IEEE by golang to match MIT license. 3.0.30
  • v3.0, 2018-02-16, Fix #464, support RTMP origin cluster. 3.0.29
  • v3.0, 2018-02-13, Fix #1057, switch to simple handshake. 3.0.28
  • v3.0, 2018-02-13, Fix #1059, merge from 2.0, supports url with vhost in stream. 3.0.27
  • v3.0, 2018-01-01, Fix #913, support complex error. 3.0.26
  • v3.0, 2017-06-04, Fix #299, support experimental MPEG-DASH. 3.0.25
  • v3.0, 2017-05-30, Fix #821, support MP4 file parser. 3.0.24
  • v3.0, 2017-05-30, Fix #904, replace NXJSON(LGPL) with json-parser(BSD). 3.0.23
  • v3.0, 2017-04-16, Fix #547, support HLS audio in TS. 3.0.22
  • v3.0, 2017-03-26, Fix #820, extract service for modules. 3.0.21
  • v3.0, 2017-03-02, Fix #786, simply don't reuse object. 3.0.20
  • v3.0, 2017-03-01, For #110, refine thread object. 3.0.19
  • v3.0, 2017-02-12, Fix #301, user must config the codec in right way for HLS. 3.0.18
  • v3.0, 2017-02-07, fix #738, support DVR general mp4. 3.0.17
  • v3.0, 2017-01-19, for #742, refine source, meta and origin hub. 3.0.16
  • v3.0, 2017-01-17, for #742, refine source, timeout, live cycle. 3.0.15
  • v3.0, 2017-01-11, fix #735, config transform refer_publish invalid. 3.0.14
  • v3.0, 2017-01-06, for #730, support config in/out ack size. 3.0.13
  • v3.0, 2017-01-06, for #711, support perfile for transcode. 3.0.12
  • v3.0, 2017-01-05, Fix #727, patch ST for valgrind and ARM. 3.0.11
  • v3.0, 2017-01-05, for #324, always enable hstrs. 3.0.10
  • v3.0, 2016-12-15, fix #717, #691, http api/static/stream support cors. 3.0.9
  • v3.0, 2016-12-08, Fix #105, support log rotate signal SIGUSR1. 3.0.8
  • v3.0, 2016-12-07, fix typo and refine grammar. 3.0.7
  • v3.0, 2015-10-20, fix #502, support snapshot with http-callback or transcoder. 3.0.5
  • v3.0, 2015-09-19, support amf0 and json to convert with each other.
  • v3.0, 2015-09-19, json objects support dumps to string.
  • v3.0, 2015-09-14, fix #459, support dvr raw api. 3.0.4
  • v3.0, 2015-09-14, fix #459, dvr support apply filter for ng-control dvr module.
  • v3.0, 2015-09-14, fix #319, http raw api support update global and vhost. 3.0.3
  • v3.0, 2015-08-31, fix #319, http raw api support query global and vhost.
  • v3.0, 2015-08-28, fix #471, api response the width and height. 3.0.2
  • v3.0, 2015-08-25, fix #367, support nginx-rtmp exec. 3.0.1

V2 changes

  • v2.0, 2020-01-25, 2.0 release8(2.0.272) released. 87292 lines.
  • v2.0, 2020-01-08, Merge #1554, support logrotate copytruncate. 2.0.272
  • v2.0, 2020-01-05, Merge #1551, fix memory leak in RTSP stack. 2.0.270
  • v2.0, 2019-12-26, For #1488, pass client ip to http callback. 2.0.269
  • v2.0, 2019-12-23, Fix srs-librtmp #22, parse vhost splited by single seperator. 2.0.268
  • v2.0, 2019-12-23, Fix srs-librtmp #25, build srs-librtmp on windows. 2.0.267
  • v2.0, 2019-12-13, Support openssl versions greater than 1.1.0. 2.0.266
  • v2.0, 2019-11-29, 2.0 release7(2.0.265) released. 86994 lines.
  • v2.0, 2019-11-29, For srs-docker, install Cherrypy without sudo. 2.0.265
  • v2.0, 2019-04-06, For #1304, Default HSTRS to on. 2.0.264
  • v2.0, 2019-04-05, 2.0 release6(2.0.263) released. 86994 lines.
  • v2.0, 2019-04-05, Merge #1312, Fix GCC7 build error, this statement may fall through. 2.0.263
  • v2.0, 2019-04-05, Merge #1339, Support HTTP-FLV params. 2.0.262
  • v2.0, 2018-12-01, Merge #1274, Upgrade to FFMPEG 4.1 and X264 157. 2.0.261
  • v2.0, 2018-11-11, Merge #1261, Support _definst_ for Wowza. 2.0.260
  • v2.0, 2018-11-11, Merge #1263, Fix string trim bug. 2.0.259
  • v2.0, 2018-10-28, 2.0 release5(2.0.258) released. 86916 lines.
  • v2.0, 2018-10-28, Fix #1250, Support build on OSX10.14 Mojave. 2.0.258
  • v2.0, 2018-10-08, Merge #1236, Fix sleep bug in us. 2.0.257
  • v2.0, 2018-10-08, Merge #1237, Support param for transcoder. 2.0.256
  • v2.0, 2018-08-12, 2.0 release4(2.0.255) released. 86915 lines.
  • v2.0, 2018-08-12, For #1202, Support edge/forward to Aliyun CDN. 2.0.255
  • v2.0, 2018-08-11, For #910, Support HTTP FLV with HTTP callback. 2.0.254
  • v2.0, 2018-08-11, For #1110, Refine params in http callback. 2.0.253
  • v2.0, 2018-08-05, Refine HTTP-FLV latency, support realtime mode. 2.0.252
  • v2.0, 2018-08-04, For #1110, Support params in http callback. 2.0.251
  • v2.0, 2018-08-02, For #1031, SRS edge support douyu.com. 2.0.250
  • v2.0, 2018-07-21, Merge #1119, fix memory leak. 2.0.249
  • v2.0, 2018-07-18, 2.0 release3(2.0.248) released. 86775 lines.
  • v2.0, 2018-07-17, Merge #1176, fix scaned issues. 2.0.248
  • v2.0, 2018-02-28, Merge #1077, fix crash for edge HLS. 2.0.247
  • v2.0, 2018-02-13, Fix #1059, support vhost in stream parameters. 2.0.246
  • v2.0, 2018-01-07, Merge #1045, fix #1044, TCP connection alive detection. 2.0.245
  • v2.0, 2018-01-04, Merge #1039, fix bug of init.d script.
  • v2.0, 2018-01-01, Merge #1033, allow user to add some specific flags. 2.0.244
  • v2.0, 2017-06-10, 2.0 release2(2.0.243) released. 86670 lines.
  • v2.0, 2017-05-29, Merge #899 to fix #893, ts PES ext length. 2.0.243
  • 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 changes

  • 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).

Releases

Compare

Comparing with other media servers, SRS is much better and stronger, for details please read Product(CN/EN).

Stream Delivery

Feature SRS NGINX CRTMPD AMS WOWZA
RTMP Stable Stable Stable Stable Stable
HLS Stable Stable X Stable Stable
HTTP FLV Stable X X X X
HLS(aonly) Stable X X Stable Stable
HDS Experiment X X Stable Stable
MPEG-DASH Experiment X X X X
HTTP Server Stable Stable X X Stable

Cluster

Feature SRS NGINX CRTMPD AMS 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
Docker Stable X X X X

Stream Service

Feature SRS NGINX CRTMPD AMS WOWZA
DVR Stable Stable X X Stable
DVR API Stable Stable X X X
DVR MP4 Stable X X X X
EXEC Stable Stable X X X
Transcode Stable X X X Stable
HTTP API Stable Stable X X Stable
HTTP RAW API Stable X X X X
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 AMS WOWZA
Concurrency 7.5k 3k 2k 2k 3k
MultipleProcess Stable 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 AMS 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 AMS WOWZA
BW check Stable X X X X
Tracable Log Stable X X X X

Docs

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

Others

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

Remark:

  1. Concurrency: We only benchmark the concurrency of single process.
  2. MultipleProcess: SRS supports multiple processes by go-oryx.
  3. HLS aonly: HLS supports audio only mode without video stream.
  4. BW check: The bandwidth check feature is used to detect the bandwidth between server and client.
  5. Security: The security includes access control, token authentication and referer check.
  6. Reload: SRS and Nginx supports reload, but nginx-rtmp doesn't.

Performance

The performance benchmark data and corelative commits are listed here.

Play RTMP benchmark

The data for playing RTMP was benchmarked by SB:

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

Publish RTMP benchmark

The data for publishing RTMP was benchmarked by SB:

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

Play HTTP FLV benchmark

The data for playing HTTP FLV was benchmarked by SB:

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

Latency benchmark

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

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

2018-08-05, c45f72e, Refine HTTP-FLV latency, support realtime mode. 2.0.252

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

HLS overhead

About the overhead of HLS overhead, we compared FFMPEG and SRS.

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

Architecture

SRS always use the simplest architecture to solve complex domain problems.

  • System arch: the system structure and arch.
  • Modularity arch: the main modularity of SRS.
  • Stream arch: the stream dispatch arch of SRS.

System Architecture

+------------------------------------------------------+
|                    Application                       |
|            Origin/Edge/HTTP-FLV/StreamCaster         |
+---------------+---------------+-----------+----------+
|   RAW API/    |     EXEC/     |  DVR/HLS  | FLV/TS/  |
|   API/hook    |   Transcoder  |  HDS/DASH | AMF0/JSON|
+---------------+---------------+-----------+ RTMP/RTSP|
|  http-parser  |  FFMPEG/x264  |  NGINX/ts | protocol |
+---------------+---------------+-----------+----------+
|              Network(state-threads)                  |
+------------------------------------------------------+
|    All Linux/Unix(RHEL,CentOS,Ubuntu,Fedora...)      |
+------------------------------------------------------+

Modularity Architecture

+------------------------------------------------------+
|    SRS server    |   Programs in Main or Research    |
+------------------------------------------------------+
|  App(For SRS)    | Modules(1) |   research/librtmp   |
+------------------------------------------------------+
|    Service(C/S apps over ST)  | Libs(Export librtmp) |
+------------------------------------------------------+
|   Protocol Stack(RTMP/HTTP/RTSP/JSON/AMF/Format)     |
+------------------------------------------------------+
|      Kernel(File, Codec, Stream, LB services)        |
+------------------------------------------------------+
|         Core(Macros and very low-level APIs)         |
+------------------------------------------------------+

Remark:

  1. Modules: SRS supports code-level modularity, read modules.

Stream Architecture

+---------+              +----------+
| Publish |              |  Deliver |
+---|-----+              +----|-----+
+----------------------+-------------------------+----------------+
|     Input            | SRS(Simple RTMP Server) |     Output     |
+----------------------+-------------------------+----------------+
|                      |   +-> DASH -------------+-> DASH player  |
|    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  |
|                      |   +-> EXEC(5) ----------+-> External app |
|                      |   +-> 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 pushs RTMP stream to SRS.
  2. MediaSource: Supports any media source, ingesting by ffmpeg.
  3. Ingester: Forks a ffmpeg(or other tools) to ingest as rtmp to SRS, please read Ingest.
  4. Streamer: Remuxs other protocols to RTMP, please read Streamer.
  5. EXEC: Like NGINX-RTMP, EXEC forks external tools for events, please read ng-exec.

AUTHORS

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

  • Maintainers: Contribute and maintain important features. SRS always remembers and thanks you by writing your names in stream metadata.
  • Contributors: Submit patches, report bugs, add translations, help answer newbie questions, and generally make SRS much better.

Maintainers of SRS project:

  • Winlin: All areas of streaming server and documents.
  • Wenjie: The focus of his work is on the HDS module.
  • Runner365: The focus of his work is on the SRT module.

A big THANK YOU goes to:

Mirrors

OSChina: https://gitee.com/winlinvip/srs.oschina, the GIT usage(CN, EN)

git clone https://gitee.com/winlinvip/srs.oschina.git srs &&
cd srs && git remote set-url origin https://github.com/ossrs/srs.git && git pull

Remark: For users in China, recomment to use mirror from CSDN or OSChina, because they are much faster.

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

git clone https://gitlab.com/winlinvip/srs-gitlab.git srs &&
cd srs && git remote set-url origin https://github.com/ossrs/srs.git && git pull

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

git clone https://github.com/ossrs/srs.git
Branch Cost Size CMD
3.0release 2m19.931s 262MB git clone -b 3.0release https://gitee.com/winlinvip/srs.oschina.git
3.0release 0m56.515s 95MB git clone -b 3.0release --depth=1 https://gitee.com/winlinvip/srs.oschina.git
develop 2m22.430s 234MB git clone -b develop https://gitee.com/winlinvip/srs.oschina.git
develop 0m46.421s 42MB git clone -b develop --depth=1 https://gitee.com/winlinvip/srs.oschina.git
min 2m22.865s 217MB git clone -b min https://gitee.com/winlinvip/srs.oschina.git
min 0m36.472s 11MB git clone -b min --depth=1 https://gitee.com/winlinvip/srs.oschina.git

System Requirements

Supported operating systems and hardware:

  • All Linux, both 32 and 64 bits
  • Other OS, such as Windows, please use docker.

Beijing, 2013.10
Winlin

About

SRS is a RTMP/HLS/WebRTC/SRT/GB28181 streaming cluster, high efficiency, stable and simple.

ossrs.net

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