# SRS
[](https://circleci.com/gh/ossrs/srs/tree/develop)
[](https://codecov.io/gh/ossrs/srs/branch/develop)
[](https://github.com/ossrs/srs/wiki/v1_CN_Contact#wechat)
SRS/4.0， < br / >
SRS(Simple RTMP Server) is a live streaming cluster, high efficiency, stable and simple.
> Remark: Although SRS is licenced under [MIT][LICENSE], but there are some depended libraries which are distributed using their own licenses, please read [License Mixing][LicenseMixing].
< a name = "product" > < / a >
## Usage
**Step 1:** Get SRS.
```
git clone https://github.com/ossrs/srs & &
cd srs/trunk
```
> Note: Repository too large? Please clone from these [mirrors](#mirrors) instead.
**Step 2:** Build SRS.
```
./configure & & make
```
> Remark: Recommend Centos6 64bits, please read wiki([CN][v3_CN_Build],[EN][v3_EN_Build]).
> Note: You can also build SRS in docker, please read [docker][docker-dev].
**Step 3:** Run SRS
```
./objs/srs -c conf/srs.conf
```
**Whatever**, you can also directly run SRS in [docker][docker-srs3]:
```
docker run -p 1935:1935 -p 1985:1985 -p 8080:8080 ossrs/srs:3
```
**From here,** strongly recommend to read bellow wikis:
* Usage: How to delivery RTMP?([CN][v1_CN_SampleRTMP], [EN][v1_EN_SampleRTMP])
* Usage: How to delivery RTMP-Edge Cluster?([CN][v3_CN_SampleRTMPCluster], [EN][v3_EN_SampleRTMPCluster])
* Usage: How to create a RTMP-Origin Cluster?([CN][v3_CN_SampleOriginCluster], [EN][v3_EN_SampleOriginCluster])
* Usage: How to delivery HTTP-FLV?([CN][v3_CN_SampleHttpFlv], [EN][v3_EN_SampleHttpFlv])
* Usage: How to delivery HTTP-FLV Cluster?([CN][v3_CN_SampleHttpFlvCluster], [EN][v3_EN_SampleHttpFlvCluster])
* Usage: How to delivery HLS?([CN][v3_CN_SampleHLS], [EN][v3_EN_SampleHLS])
* Usage: How to transcode to h.264+aac for HLS?([CN][v3_CN_SampleTranscode2HLS], [EN][v3_EN_SampleTranscode2HLS])
* Usage: How to transode stream by FFMPEG?([CN][v2_CN_SampleFFMPEG], [EN][v2_EN_SampleFFMPEG])
* Usage: How to forward stream to other servers?([CN][v3_CN_SampleForward], [EN][v3_EN_SampleForward])
* Usage: How to enable low lantency live streaming?([CN][v3_CN_SampleRealtime], [EN][v3_EN_SampleRealtime])
* Usage: How to ingest file/stream/device to SRS?([CN][v1_CN_SampleIngest], [EN][v1_EN_SampleIngest])
* Usage: How to delivery HLS by SRS HTTP server?([CN][v3_CN_SampleHTTP], [EN][v3_EN_SampleHTTP])
* Usage: How to delivery DASH(Experimental)?([CN][v3_CN_SampleDASH], [EN][v3_EN_SampleDASH])
* Usage: How to transmux SRT(Experimental) to live streaming?([CN][v4_CN_SampleSRT], [EN][v4_EN_SampleSRT])
* Usage: How to publish h.264 raw stream as RTMP? ([CN][v3_CN_SrsLibrtmp2], [EN][v3_EN_SrsLibrtmp2])
* Usage: How to enable multiple processes? ([CN][v3_CN_REUSEPORT], [EN][v3_EN_REUSEPORT])
* Usage: Why SRS? What's the milestones? ([CN][v1_CN_Product], [EN][v1_EN_Product])
* Usage: Want to contact us? ([CN][v1_CN_Contact], [EN][v1_EN_Contact]) Or file an issue [here ](https://github.com/ossrs/srs/issues/new )?
< a name = "srs-30-wiki" > < / a >
## Wiki
Please select according to languages:
* [SRS 4.0 English Wiki][v4_EN_Home]
* [SRS 4.0 Chinese Wiki][v4_CN_Home]
For previous versions, please read:
* [SRS 3.0 English Wiki][v3_EN_Home]
* [SRS 3.0 Chinese Wiki][v3_CN_Home]
* [SRS 2.0 English Wiki][v2_EN_Home]
* [SRS 2.0 Chinese Wiki][v2_CN_Home]
* [SRS 1.0 English Wiki][v1_EN_Home]
* [SRS 1.0 Chinese Wiki][v1_CN_Home]
## Features
- [x] Using coroutine by ST, it's really simple and stupid enough.
- [x] Support cluster which consists of origin ([CN][v1_CN_DeliveryRTMP],[EN][v1_EN_DeliveryRTMP]) and edge([CN][v3_CN_Edge], [EN][v3_EN_Edge]) server and uses RTMP as default transport protocol.
- [x] Origin server supports remuxing RTMP to HTTP-FLV([CN][v3_CN_SampleHttpFlv], [EN][v3_EN_SampleHttpFlv]) and HLS([CN][v3_CN_DeliveryHLS], [EN][v3_EN_DeliveryHLS]).
- [x] Edge server supports remuxing RTMP to HTTP-FLV([CN][v3_CN_SampleHttpFlv], [EN][v3_EN_SampleHttpFlv]). As for HLS([CN][v3_CN_DeliveryHLS], [EN][v3_EN_DeliveryHLS]) edge server, recomment to use HTTP edge server, such as [NGINX ](http://nginx.org/ ).
- [x] Support HLS with audio-only([CN][v3_CN_DeliveryHLS2], [EN][v3_EN_DeliveryHLS2]), which need to build the timestamp from AAC samples, so we enhanced it please read [#547][bug #547 ].
- [x] Support HLS with mp3(h.264+mp3) audio codec, please read [bug #301 ][bug #301 ].
- [x] Support remuxing RTMP to http FLV/MP3/AAC/TS live streaming, please read wiki([CN][v2_CN_DeliveryHttpStream], [EN][v2_CN_DeliveryHttpStream]).
- [x] Support ingesting([CN][v1_CN_Ingest], [EN][v1_EN_Ingest]) other protocols to SRS by FFMPEG.
- [x] Support RTMP long time(>4.6hours) publishing/playing, with the timestamp corrected.
- [x] Support publishing h264 raw stream([CN][v3_CN_SrsLibrtmp2], [EN][v3_EN_SrsLibrtmp2]) by srs-librtmp([CN][v3_CN_SrsLibrtmp], [EN][v3_EN_SrsLibrtmp]).
- [x] Support publishing aac adts raw stream([CN][v3_CN_SrsLibrtmp3], [EN][v3_EN_SrsLibrtmp3]) by srs-librtmp([CN][v3_CN_SrsLibrtmp], [EN][v3_EN_SrsLibrtmp]).
- [x] Support native HTTP server([CN][v3_CN_SampleHTTP], [EN][v3_EN_SampleHTTP]) for http api and http live streaming.
- [x] Support HTTP CORS for js in http api and http live streaming.
- [x] Support HTTP API([CN][v3_CN_HTTPApi], [EN][v3_EN_HTTPApi]) for system management.
- [x] Support HTTP callback([CN][v3_CN_HTTPCallback], [EN][v3_EN_HTTPCallback]) for authentication and integration.
- [x] Support DVR([CN][v3_CN_DVR], [EN][v3_EN_DVR]) to record live streaming to FLV file.
- [x] Support DVR control module like NGINX-RTMP, please read [#459][bug #459 ].
- [x] Support EXEC like NGINX-RTMP, please read [bug #367 ][bug #367 ].
- [x] Support security strategy including allow/deny publish/play IP([CN][v2_CN_Security], [EN][v2_EN_Security]).
- [x] Support low latency(0.1s+) transport model, please read [bug #257 ][bug #257 ].
- [x] Support gop-cache([CN][v3_CN_LowLatency2], [EN][v3_EN_LowLatency2]) for player fast startup.
- [x] Support Vhost([CN][v1_CN_RtmpUrlVhost], [EN][v1_EN_RtmpUrlVhost]) and \_\_defaultVhost\_\_.
- [x] Support reloading([CN][v1_CN_Reload], [EN][v1_EN_Reload]) to apply changes of config.
- [x] Support listening at multiple ports.
- [x] Support forwarding([CN][v3_CN_Forward], [EN][v3_EN_Forward]) from master to slave server.
- [x] Support transcoding([CN][v3_CN_FFMPEG], [EN][v3_EN_FFMPEG]) live streaming by FFMPEG.
- [x] All wikis are writen in [Chinese][v3_CN_Home] and [English][v3_EN_Home].
- [x] Enhanced json, replace NXJSON(LGPL) with json-parser(BSD), read [#904][bug #904 ].
- [x] Support valgrind and latest ARM by patching ST, read [ST#1 ](https://github.com/ossrs/state-threads/issues/1 ) and [ST#2 ](https://github.com/ossrs/state-threads/issues/2 ).
- [x] Support tracable and session-based log([CN][v1_CN_SrsLog], [EN][v1_EN_SrsLog]).
- [x] High concurrency and performance([CN][v1_CN_Performance], [EN][v1_EN_Performance]), 6000+ connections(200kbps), CPU 82%, 203MB.
- [x] Enhanced complex error code with description and stack, read [#913][bug #913 ].
- [x] Enhanced RTMP url which supports vhost in stream, read [#1059][bug #1059 ].
- [x] Support origin cluster, please read [#464][bug #464 ], [RTMP 302][bug #92 ].
- [x] Support listen at IPv4 and IPv6, read [#460][bug #460 ].
- [x] Support SO_REUSEPORT, to improve edge server performance, read [#775][bug #775 ].
- [x] Improve test coverage for core/kernel/protocol/service.
- [x] [Experimental] Support docker by [srs-docker ](https://github.com/ossrs/srs-docker ).
- [x] [Experimental] Support DVR in MP4 format, read [#738][bug #738 ].
- [x] [Experimental] Support MPEG-DASH, the future live streaming protocol, read [#299][bug #299 ].
- [x] [Experimental] Support pushing MPEG-TS over UDP, please read [bug #250 ][bug #250 ].
- [x] [Experimental] Support pushing RTSP, please read [bug #133 ][bug #133 ].
- [x] [Experimental] Support pushing FLV over HTTP POST, please read [wiki ]([CN][v2_CN_Streamer2], [EN][v2_EN_Streamer2] ).
- [x] [Experimental] Support multiple processes by [dolphin][srs-dolphin] or [oryx][oryx].
- [x] [Experimental] Support a simple [mgmt console][console], please read [srs-ngb][srs-ngb].
- [x] [Experimental] Support RTMP client library: srs-librtmp([CN][v3_CN_SrsLibrtmp], [EN][v3_EN_SrsLibrtmp])
- [x] [Experimental] Support HTTP RAW API, please read [#459][bug #459 ], [#470][bug #470 ], [#319][bug #319 ].
- [x] [Experimental] Support SRT server, read [#1147][bug #1147 ].
- [x] [Deprecated] Support Adobe HDS(f4m), please read wiki([CN][v2_CN_DeliveryHDS], [EN][v2_EN_DeliveryHDS]) and [#1535][bug #1535 ].
- [x] [Deprecated] Support bandwidth testing([CN][v1_CN_BandwidthTestTool], [EN][v1_EN_BandwidthTestTool]), please read [#1535][bug #1535 ].
- [x] [Deprecated] Support Adobe FMS/AMS token traverse([CN][v3_CN_DRM2], [EN][v3_EN_DRM2]) authentication, please read [#1535][bug #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][bug #465 ].
- [ ] Support HLS+, the HLS edge server, please read [#466][bug #466 ] and [#468][bug #468 ].
- [ ] Support UDP protocol such as QUIC or KCP in cluster.
- [ ] Support H.264+Opus codec for WebRTC.
- [ ] Support publishing stream by WebRTC.
- [ ] Support change user to run SRS, [#1111][bug #1111 ].
- [ ] Support HLS variant, [#463][bug #463 ].
- [ ] Support playing stream by WebRTC.
> Remark: About the milestone and product plan, please read ([CN][v1_CN_Product], [EN][v1_EN_Product]) wiki.
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< a name = "change-logs" > < / a >
## V4 changes
* v4.0, 2020-01-24, Fix [#1147][bug #1147 ], support SRT(Secure Reliable Transport). 4.0.1
## V3 changes
* v3.0, 2020-01-26, Allow use libst.so for ST is MPL license.
* v3.0, 2020-01-26, Fix [#607][bug #607 ], set RTMP identifying recursive depth to 3.
* v3.0, 2020-01-25, Fix [#878][bug #878 ], remove deprecated #EXT -X-ALLOW-CACHE for HLS. 3.0.108
* v3.0, 2020-01-25, Fix [#703][bug #703 ], drop video data util sps/pps. 3.0.107
* v3.0, 2020-01-25, Fix [#1108][bug #1108 ], reap DVR tmp file when unpublish. 3.0.106
* < strong > v3.0, 2020-01-21, [3.0 alpha9(3.0.105)][r3.0a9] released. 121577 lines.</ strong >
* v3.0, 2020-01-21, Fix [#1221][bug #1221 ], remove complex configure options. 3.0.104
* v3.0, 2020-01-21, Fix [#1547][bug #1547 ], support crossbuild for ARM/MIPS.
* v3.0, 2020-01-21, For [#1547][bug #1547 ], support setting cc/cxx/ar/ld/randlib tools. 3.0.103
* v3.0, 2020-01-19, For [#1580][bug #1580 ], fix cid range problem. 3.0.102
* v3.0, 2020-01-19, For [#1070][bug #1070 ], define FLV CodecID for [AV1][bug #1070 ] and [opus][bug #307 ]. 3.0.101
* v3.0, 2020-01-16, For [#1575][bug #1575 ], correct RTMP redirect as tcUrl, add redirect2 as RTMP URL. 3.0.100
* v3.0, 2020-01-15, For [#1509][bug #1509 ], decrease the fast vector init size from 64KB to 64B. 3.0.99
* v3.0, 2020-01-15, For [#1509][bug #1509 ], release coroutine when source is idle. 3.0.98
* < strong > v3.0, 2020-01-10, [3.0 alpha8(3.0.97)][r3.0a8] released. 121555 lines.</ strong >
* v3.0, 2020-01-09, For [#1042][bug #1042 ], improve test coverage for service. 3.0.97
* v3.0, 2020-01-08, Merge [#1554][bug #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][bug #460 ], fix ipv6 hostport parsing bug. 3.0.94
* v3.0, 2020-01-05, For [#460][bug #460 ], fix ipv6 intranet address filter bug. 3.0.93
* v3.0, 2020-01-05, For [#1543][bug #1543 ], use getpeername to retrieve client ip. 3.0.92
* v3.0, 2020-01-02, For [#1042][bug #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.
* < strong > v3.0, 2019-12-29, [3.0 alpha7(3.0.90)][r3.0a7] released. 116356 lines.</ strong >
* v3.0, 2019-12-29, For [#1255][bug #1255 ], support vhost/domain in query string for HTTP streaming. 3.0.90
* v3.0, 2019-12-29, For [#299][bug #299 ], increase dash segment size for avsync issue. 3.0.89
* v3.0, 2019-12-27, For [#299][bug #299 ], fix some bugs in dash, it works now. 3.0.88
* v3.0, 2019-12-27, For [#1544][bug #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][bug #1105 ], http server support mp4 range.
* v3.0, 2019-12-26, For [#1105][bug #1105 ], dvr mp4 supports playing on Chrome/Safari/Firefox. 3.0.86
* < strong > v3.0, 2019-12-26, [3.0 alpha6(3.0.85)][r3.0a6] released. 116056 lines.</ strong >
* v3.0, 2019-12-26, For [#1488][bug #1488 ], pass client ip to http callback. 3.0.85
* v3.0, 2019-12-25, For [#1537][bug #1537 ], [#1282][bug #1282 ], support aarch64 for armv8. 3.0.84
* v3.0, 2019-12-25, For [#1538][bug #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 ](https://github.com/ossrs/srs-docker ) instead. 3.0.82
* v3.0, 2019-12-25, For [#1537][bug #1537 ], remove cross-build, not used patches, directly build st.
* v3.0, 2019-12-24, For [#1508][bug #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][bug #1535 ], deprecate Adobe FMS/AMS edge token traversing([CN][v3_CN_DRM2], [EN][v3_EN_DRM2]) authentication. 3.0.79
* v3.0, 2019-12-23, For [#1535][bug #1535 ], deprecate BWT(bandwidth testing)([CN][v1_CN_BandwidthTestTool], [EN][v1_EN_BandwidthTestTool]). 3.0.78
* v3.0, 2019-12-23, For [#1535][bug #1535 ], deprecate Adobe HDS(f4m)([CN][v2_CN_DeliveryHDS], [EN][v2_EN_DeliveryHDS]). 3.0.77
* v3.0, 2019-12-20, Fix [#1508][bug #1508 ], http-client support read chunked response. 3.0.76
* v3.0, 2019-12-20, For [#1508][bug #1508 ], refactor srs_is_digital, support all zeros.
* < strong > v3.0, 2019-12-19, [3.0 alpha5(3.0.75)][r3.0a5] released. 115362 lines.</ strong >
* v3.0, 2019-12-19, Refine the RTMP iovs cache increasing to much faster.
* v3.0, 2019-12-19, Fix [#1524][bug #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][bug #1520 ] and [#1223][bug #1223 ], bug for origin cluster 3+ servers. 3.0.74
* v3.0, 2019-12-18, For [#1042][bug #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][bug #1042 ], add test for HTTP protocol.
* < strong > v3.0, 2019-12-13, [3.0 alpha4(3.0.71)][r3.0a4] released. 112928 lines.</ strong >
* v3.0, 2019-12-12, For [#547][bug #547 ], [#1506][bug #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][bug #1042 ], cover RTMP client/server protocol.
* v3.0, 2019-12-11, Fix [#1445][bug #1445 ], limit the createStream recursive depth. 3.0.70
* v3.0, 2019-12-11, For [#1042][bug #1042 ], cover RTMP handshake protocol.
* v3.0, 2019-12-11, Fix [#1229][bug #1229 ], fix the security risk in logger. 3.0.69
* v3.0, 2019-12-11, For [#1229][bug #1229 ], fix the security risk in HDS. 3.0.69
* v3.0, 2019-12-05, Fix [#1506][bug #1506 ], support directly turn FLV timestamp to TS DTS. 3.0.68
* < strong > v3.0, 2019-11-30, [3.0 alpha3(3.0.67)][r3.0a3] released. 110864 lines.</ strong >
* v3.0, 2019-12-01, Fix [#1501][bug #1501 ], use request coworker for origin cluster. 3.0.67
* < strong > v3.0, 2019-11-30, [3.0 alpha2(3.0.66)][r3.0a2] released. 110831 lines.</ strong >
* v3.0, 2019-11-30, Fix [#1501][bug #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
* < strong > v3.0, 2019-10-07, [3.0 alpha1(3.0.60)][r3.0a1] released. 107962 lines.</ strong >
* 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
* < strong > v3.0, 2019-10-04, [3.0 alpha0(3.0.56)][r3.0a0] released. 107946 lines.</ strong >
* v3.0, 2019-10-04, Support go-oryx rtmplb with [proxy protocol ](https://github.com/ossrs/go-oryx/wiki/RtmpProxy ). 3.0.56
* v3.0, 2019-10-03, Fix [#775][bug #775 ], Support SO_REUSEPORT to improve edge performance. 3.0.54
* v3.0, 2019-10-03, For [#467][bug #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][bug #1304 ], Fix ST coroutine pull error. 3.0.47
* v3.0, 2019-04-05, Merge [#1339][bug #1339 ], Support HTTP-FLV params. 3.0.46
* v3.0, 2018-11-11, Merge [#1261][bug #1261 ], Support `_definst_` for Wowza. 3.0.44
* v3.0, 2018-08-26, SRS [console ](https://github.com/ossrs/srs-ngb ) support both [Chinese ](http://ossrs.net:1985/console/ng_index.html ) and [English ](http://ossrs.net:1985/console/en_index.html ).
* v3.0, 2018-08-25, Fix [#1093][bug #1093 ], Support HLS encryption. 3.0.42
* v3.0, 2018-08-25, Fix [#1051][bug #1051 ], Drop ts when republishing stream. 3.0.41
* v3.0, 2018-08-12, For [#1202][bug #1202 ], Support edge/forward to Aliyun CDN. 3.0.40
* v3.0, 2018-08-11, For [#910][bug #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][bug #1087 ], Ignore iface without address. 3.0.37
* v3.0, 2018-08-04, For [#1110][bug #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][bug #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][bug #464 ], support RTMP origin cluster. 3.0.29
* v3.0, 2018-02-13, Fix [#1057][bug #1057 ], switch to simple handshake. 3.0.28
* v3.0, 2018-02-13, Fix [#1059][bug #1059 ], merge from 2.0, supports url with vhost in stream. 3.0.27
* v3.0, 2018-01-01, Fix [#913][bug #913 ], support complex error. 3.0.26
* v3.0, 2017-06-04, Fix [#299][bug #299 ], support experimental MPEG-DASH. 3.0.25
* v3.0, 2017-05-30, Fix [#821][bug #821 ], support MP4 file parser. 3.0.24
* v3.0, 2017-05-30, Fix [#904][bug #904 ], replace NXJSON(LGPL) with json-parser(BSD). 3.0.23
* v3.0, 2017-04-16, Fix [#547][bug #547 ], support HLS audio in TS. 3.0.22
* v3.0, 2017-03-26, Fix [#820][bug #820 ], extract service for modules. 3.0.21
* v3.0, 2017-03-02, Fix [#786][bug #786 ], simply don't reuse object. 3.0.20
* v3.0, 2017-03-01, For [#110][bug #110 ], refine thread object. 3.0.19
* v3.0, 2017-02-12, Fix [#301][bug #301 ], user must config the codec in right way for HLS. 3.0.18
* v3.0, 2017-02-07, fix [#738][bug #738 ], support DVR general mp4. 3.0.17
* v3.0, 2017-01-19, for [#742][bug #742 ], refine source, meta and origin hub. 3.0.16
* v3.0, 2017-01-17, for [#742][bug #742 ], refine source, timeout, live cycle. 3.0.15
* v3.0, 2017-01-11, fix [#735][bug #735 ], config transform refer_publish invalid. 3.0.14
* v3.0, 2017-01-06, for [#730][bug #730 ], support config in/out ack size. 3.0.13
* v3.0, 2017-01-06, for [#711][bug #711 ], support perfile for transcode. 3.0.12
* v3.0, 2017-01-05, Fix [#727][bug #727 ], patch ST for valgrind and ARM. 3.0.11
* v3.0, 2017-01-05, for [#324][bug #324 ], always enable hstrs. 3.0.10
* v3.0, 2016-12-15, fix [#717][bug #717 ], [#691][bug #691 ], http api/static/stream support cors. 3.0.9
* v3.0, 2016-12-08, Fix [#105][bug #105 ], support log rotate signal SIGUSR1. 3.0.8
* v3.0, 2016-12-07, fix typo and refine grammar. 3.0.7
* v3.0, 2015-10-23, fix [#467][bug #467 ], support write log to kafka. 3.0.6
* v3.0, 2015-10-20, fix [#502][bug #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][bug #459 ], support dvr raw api. 3.0.4
* v3.0, 2015-09-14, fix [#459][bug #459 ], dvr support apply filter for ng-control dvr module.
* v3.0, 2015-09-14, fix [#319][bug #319 ], http raw api support update global and vhost. 3.0.3
* v3.0, 2015-08-31, fix [#319][bug #319 ], http raw api support query global and vhost.
* v3.0, 2015-08-28, fix [#471][bug #471 ], api response the width and height. 3.0.2
* v3.0, 2015-08-25, fix [#367][bug #367 ], support nginx-rtmp exec. 3.0.1
## V2 changes
* < strong > v2.0, 2020-01-25, [2.0 release8(2.0.272)][r2.0r8] released. 87292 lines.</ strong >
* v2.0, 2020-01-08, Merge [#1554][bug #1554 ], support logrotate copytruncate. 2.0.272
* v2.0, 2020-01-05, Merge [#1551][bug #1551 ], fix memory leak in RTSP stack. 2.0.270
* v2.0, 2019-12-26, For [#1488][bug #1488 ], pass client ip to http callback. 2.0.269
* v2.0, 2019-12-23, Fix [srs-librtmp #22 ](https://github.com/ossrs/srs-librtmp/issues/22 ), parse vhost splited by single seperator. 2.0.268
* v2.0, 2019-12-23, Fix [srs-librtmp #25 ](https://github.com/ossrs/srs-librtmp/issues/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
* < strong > v2.0, 2019-11-29, [2.0 release7(2.0.265)][r2.0r7] released. 86994 lines.</ strong >
* v2.0, 2019-11-29, For [srs-docker ](https://github.com/ossrs/srs-docker/tree/master/2.0 ), install Cherrypy without sudo. 2.0.265
* v2.0, 2019-04-06, For [#1304][bug #1304 ], Default HSTRS to on. 2.0.264
* < strong > v2.0, 2019-04-05, [2.0 release6(2.0.263)][r2.0r6] released. 86994 lines.</ strong >
* v2.0, 2019-04-05, Merge [#1312][bug #1312 ], Fix GCC7 build error, this statement may fall through. 2.0.263
* v2.0, 2019-04-05, Merge [#1339][bug #1339 ], Support HTTP-FLV params. 2.0.262
* v2.0, 2018-12-01, Merge [#1274][bug #1274 ], Upgrade to FFMPEG 4.1 and X264 157. 2.0.261
* v2.0, 2018-11-11, Merge [#1261][bug #1261 ], Support `_definst_` for Wowza. 2.0.260
* v2.0, 2018-11-11, Merge [#1263][bug #1263 ], Fix string trim bug. 2.0.259
* < strong > v2.0, 2018-10-28, [2.0 release5(2.0.258)][r2.0r5] released. 86916 lines.</ strong >
* v2.0, 2018-10-28, Fix [#1250][bug #1250 ], Support build on OSX10.14 Mojave. 2.0.258
* v2.0, 2018-10-08, Merge [#1236][bug #1236 ], Fix sleep bug in us. 2.0.257
* v2.0, 2018-10-08, Merge [#1237][bug #1237 ], Support param for transcoder. 2.0.256
* < strong > v2.0, 2018-08-12, [2.0 release4(2.0.255)][r2.0r4] released. 86915 lines.</ strong >
* v2.0, 2018-08-12, For [#1202][bug #1202 ], Support edge/forward to Aliyun CDN. 2.0.255
* v2.0, 2018-08-11, For [#910][bug #910 ], Support HTTP FLV with HTTP callback. 2.0.254
* v2.0, 2018-08-11, For [#1110][bug #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][bug #1110 ], Support params in http callback. 2.0.251
* v2.0, 2018-08-02, For [#1031][bug #1031 ], SRS edge support douyu.com. 2.0.250
* v2.0, 2018-07-21, Merge [#1119][bug #1119 ], fix memory leak. 2.0.249
* < strong > v2.0, 2018-07-18, [2.0 release3(2.0.248)][r2.0r3] released. 86775 lines.</ strong >
* v2.0, 2018-07-17, Merge [#1176][bug #1176 ], fix scaned issues. 2.0.248
* v2.0, 2018-02-28, Merge [#1077][bug #1077 ], fix crash for edge HLS. 2.0.247
* v2.0, 2018-02-13, Fix [#1059][bug #1059 ], support vhost in stream parameters. 2.0.246
* v2.0, 2018-01-07, Merge [#1045][bug #1045 ], fix [#1044][bug #1044 ], TCP connection alive detection. 2.0.245
* v2.0, 2018-01-04, Merge [#1039][bug #1039 ], fix bug of init.d script.
* v2.0, 2018-01-01, Merge [#1033][bug #1033 ], allow user to add some specific flags. 2.0.244
* < strong > v2.0, 2017-06-10, [2.0 release2(2.0.243)][r2.0r2] released. 86670 lines.</ strong >
* v2.0, 2017-05-29, Merge [#899][bug #899 ] to fix [#893][bug #893 ], ts PES ext length. 2.0.243
* v2.0, 2017-05-01, Fix [#865][bug #865 ], shouldn't remove ts/m3u8 when hls_dispose disabled. 2.0.242
* v2.0, 2017-04-30, Fix [#636][bug #636 ], FD leak for requesting empty HTTP stream. 2.0.241
* v2.0, 2017-04-23, Fix [#851][bug #851 ], HTTP API support number of video frames for FPS. 2.0.240
* < strong > v2.0, 2017-04-18, [2.0 release1(2.0.239)][r2.0r1] released. 86515 lines.</ strong >
* v2.0, 2017-04-18, Fix [#848][bug #848 ], crash at HTTP fast buffer grow. 2.0.239
* v2.0, 2017-04-15, Fix [#844][bug #844 ], support Haivision encoder. 2.0.238
* v2.0, 2017-04-15, Merge [#846][bug #846 ], fix fd leak for FLV stream caster. 2.0.237
* v2.0, 2017-04-15, Merge [#841][bug #841 ], avoid the duplicated sps/pps in ts. 2.0.236
* v2.0, 2017-04-09, Fix [#834][bug #834 ], crash for TS context corrupt. 2.0.235
* < strong > v2.0, 2017-03-03, [2.0 release0(2.0.234)][r2.0r0] released. 86373 lines.</ strong >
* v2.0, 2017-02-25, for [#730][bug #730 ], remove the test code. 2.0.234
* v2.0, 2017-02-09, fix [#503][bug #503 ] disable utilities when reload a source. 2.0.233
* v2.0, 2017-01-22, for [#752][bug #752 ] release the io then free it for kbps. 2.0.232
* v2.0, 2017-01-18, fix [#750][bug #750 ] use specific error code for dns resolve. 2.0.231
* < strong > v2.0, 2017-01-18, [2.0 beta4(2.0.230)][r2.0b4] released. 86334 lines.</ strong >
* v2.0, 2017-01-18, fix [#749][bug #749 ], timestamp overflow for ATC. 2.0.230
* v2.0, 2017-01-11, fix [#740][bug #740 ], convert ts aac audio private stream 1 to common. 2.0.229
* v2.0, 2017-01-11, fix [#588][bug #588 ], kbps interface error. 2.0.228
* v2.0, 2017-01-11, fix [#736][bug #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][bug #635 ], hls support NonIDR(open gop). 2.0.226
* v2.0, 2017-01-06, for [#730][bug #730 ], reset ack follow flash player rules. 2.0.225
* v2.0, 2016-12-15, for [#513][bug #513 ], remove hls ram from srs2 to srs3+. 2.0.224
* < strong > v2.0, 2016-12-13, [2.0 beta3(2.0.223)][r2.0b3] released. 86685 lines.</ strong >
* v2.0, 2016-12-13, fix [#713][bug #713 ], disable the source cleanup. 2.0.223
* v2.0, 2016-12-13, fix [#713][bug #713 ], refine source to avoid critical fetch and create. 2.0.222
* < strong > v2.0, 2016-11-09, [2.0 beta2(2.0.221)][r2.0b2] released. 86691 lines.</ strong >
* v2.0, 2016-11-05, fix [#654][bug #654 ], crash when source cleanup for edge. 2.0.221
* v2.0, 2016-10-26, fix [#666][bug #666 ], crash when source cleanup for http-flv. 2.0.220
* v2.0, 2016-10-10, fix [#661][bug #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][bug #640 ], typo for rtmp type. 2.0.217
* v2.0, 2016-09-12, fix fast stream error bug. 2.0.216
* < strong > v2.0, 2016-09-09, [2.0 beta1(2.0.215)][r2.0b1] released. 89941 lines.</ strong >
* 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 ](https://github.com/ossrs/state-threads/issues/2 ).
* v2.0, 2016-09-03, support all arm for [patched st ](https://github.com/ossrs/state-threads/issues/1 ). 2.0.212
* v2.0, 2016-09-01, workaround [#511][bug #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 ](https://github.com/ossrs/srs-librtmp/issues/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.
* < strong > v2.0, 2016-08-06, [2.0 beta0(2.0.210)][r2.0b0] released. 89704 lines.</ strong >
* 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][pr #559 ] fix memory leak bug. 2.0.208
* v2.0, 2016-01-09, merge [#558][pr #558 ] add tcUrl for on_publish.
* v2.0, 2016-01-05, add keyword XCORE for coredump to identify the version. 2.0.207
* < strong > v2.0, 2015-12-23, [2.0 alpha3(2.0.205)][r2.0a3] released. 89544 lines.</ strong >
* v2.0, 2015-12-22, for [#509][bug #509 ] always alloc big object at heap. 2.0.205
* v2.0, 2015-12-22, for [#418][bug #418 ] ignore null connect props to make RED5 happy. 2.0.204
* v2.0, 2015-12-22, for [#546][bug #546 ] thread terminate normally dispose bug. 2.0.203
* v2.0, 2015-12-22, for [#541][bug #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][bug #518 ] fix fd leak bug when fork. 2.0.200
* v2.0, 2015-11-05, for [#511][bug #511 ] fix bug for restart thread. 2.0.199
* v2.0, 2015-11-02, for [#515][bug #515 ] use srs_freepa and SrsAutoFreeA for array. 2.0.198
* v2.0, 2015-10-28, for [ExoPlayer #828 ][exo #828 ], remove duration for live.
* v2.0, 2015-10-28, for [ExoPlayer #828 ][exo #828 ], add av tag in flv header. 2.0.197
* v2.0, 2015-10-27, for [#512][bug #512 ] partial hotfix the hls pure audio. 2.0.196
* < strong > v2.0, 2015-10-08, [2.0 alpha2(2.0.195)][r2.0a2] released. 89358 lines.</ strong >
* v2.0, 2015-10-04, for [#448][bug #448 ] fix the bug of response of http hooks. 2.0.195
* v2.0, 2015-10-01, for [#497][bug #497 ] response error when client not found to kickoff. 2.0.194
* v2.0, 2015-10-01, for [#495][bug #495 ] decrease the srs-librtmp size. 2.0.193
* v2.0, 2015-09-23, for [#485][bug #485 ] error when arm glibc 2.15+ or not i386/x86_64/amd64. 2.0.192
* v2.0, 2015-09-23, for [#485][bug #485 ] srs for respberrypi and cubieboard. 2.0.191
* v2.0, 2015-09-21, fix [#484][bug #484 ] hotfix the openssl build script 2.0.190
* < strong > v2.0, 2015-09-14, [2.0 alpha1(2.0.189)][r2.0a1] released. 89269 lines.</ strong >
* v2.0, 2015-09-14, fix [#474][bug #474 ] config to donot parse width/height from sps. 2.0.189
* v2.0, 2015-09-14, for [#474][bug #474 ] always release publish for source.
* v2.0, 2015-09-14, for [#458][bug #458 ] http hooks use source thread cid. 2.0.188
* v2.0, 2015-09-14, for [#475][bug #475 ] fix http hooks crash for st context switch. 2.0.187
* v2.0, 2015-09-09, support reload utc_time. 2.0.186
* < strong > v2.0, 2015-08-23, [2.0 alpha0(2.0.185)][r2.0a0] released. 89022 lines.</ strong >
* v2.0, 2015-08-22, HTTP API support JSONP by specifies the query string callback=xxx.
* v2.0, 2015-08-20, fix [#380][bug #380 ], srs-librtmp send sequence header when sps or pps changed.
* v2.0, 2015-08-18, close [#454][bug #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][bug #442 ] support kickoff connected client. 2.0.181
* v2.0, 2015-07-21, for [#169][bug #169 ] support default values for transcode. 2.0.180
* v2.0, 2015-07-21, fix [#435][bug #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][bug #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][bug #433 ] fix the sps parse bug. 2.0.176
* v2.0, 2015-06-10, fix [#425][bug #425 ] refine the time jitter, correct (-inf,-250)+(250,+inf) to 10ms. 2.0.175
* v2.0, 2015-06-10, fix [#424][bug #424 ] fix aggregate timestamp bug. 2.0.174
* v2.0, 2015-06-06, fix [#421][bug #421 ] drop video for unkown RTMP header.
* v2.0, 2015-06-05, fix [#420][bug #420 ] remove ts for hls ram mode.
* v2.0, 2015-05-30, fix [#209][bug #209 ] cleanup hls when stop and timeout. 2.0.173.
* v2.0, 2015-05-29, fix [#409][bug #409 ] support pure video hls. 2.0.172.
* v2.0, 2015-05-28, support [srs-dolphin][srs-dolphin], the multiple-process SRS.
* v2.0, 2015-05-24, fix [#404][bug #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][bug #391 ] copy request for async call.
* v2.0, 2015-05-22, fix [#397][bug #397 ] the USER_HZ maybe not 100. 2.0.165
* v2.0, 2015-05-22, for [#400][bug #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][bug #383 ], support mix_correct algorithm. 2.0.161.
* v2.0, 2015-04-13, for [#381][bug #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][bug #375 ], fix hls bug, keep cc continous between ts files. 2.0.159.
* v2.0, 2015-04-04, for [#304][bug #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][bug #372 ], support transform vhost of edge 2.0.155.
* v2.0, 2015-03-30, for [#366][bug #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][bug #351 ], support config the m3u8/ts path for hls. 2.0.149.
* v2.0, 2015-03-17, for [#155][bug #155 ], osx(darwin) support demo with nginx and ffmpeg. 2.0.143.
* v2.0, 2015-03-15, start [2.0release branch][branch2], 80773 lines.
* v2.0, 2015-03-14, fix [#324][bug #324 ], support hstrs(http stream trigger rtmp source) edge mode. 2.0.140.
* v2.0, 2015-03-14, for [#324][bug #324 ], support hstrs(http stream trigger rtmp source) origin mode. 2.0.139.
* v2.0, 2015-03-12, fix [#328][bug #328 ], support adobe hds. 2.0.138.
* v2.0, 2015-03-10, fix [#155][bug #155 ], support osx(darwin) for mac pro. 2.0.137.
* v2.0, 2015-03-08, fix [#316][bug #316 ], http api provides stream/vhost/srs/server bytes, codec and count. 2.0.136.
* v2.0, 2015-03-08, fix [#310][bug #310 ], refine aac LC, support aac HE/HEv2. 2.0.134.
* v2.0, 2015-03-06, for [#322][bug #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][bug #179 ], revert dvr http api. 2.0.128.
* v2.0, 2015-02-24, for [#304][bug #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][bug #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][bug #304 ], support config default acodec/vcodec. 2.0.118.
* v2.0, 2015-02-15, for [#304][bug #304 ], rewrite hls/ts code, support h.264+mp3 for hls. 2.0.117.
* v2.0, 2015-02-12, for [#304][bug #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][bug #311 ], set pcr_base to dts. 2.0.114.
* v2.0, 2015-02-10, fix [the bug][p21] of ibmf format which decoded in annexb.
* v2.0, 2015-02-10, for [#310][bug #310 ], downcast aac SSR to LC. 2.0.113
* v2.0, 2015-02-03, fix [#136][bug #136 ], support hls without io(in ram). 2.0.112
* v2.0, 2015-01-31, for [#250][bug #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][bug #301 ], hls support h.264+mp3, ok for vlc. 2.0.107
* v2.0, 2015-01-25, for [#301][bug #301 ], http ts stream support h.264+mp3. 2.0.106
* v2.0, 2015-01-25, hotfix [#268][bug #268 ], refine the pcr start at 0, dts/pts plus delay. 2.0.105
* v2.0, 2015-01-25, hotfix [#151][bug #151 ], refine pcr=dts-800ms and use dts/pts directly. 2.0.104
* v2.0, 2015-01-23, hotfix [#151][bug #151 ], use absolutely overflow to make jwplayer happy. 2.0.103
* v2.0, 2015-01-22, for [#293][bug #293 ], support http live ts stream. 2.0.101.
* v2.0, 2015-01-19, for [#293][bug #293 ], support http live flv/aac/mp3 stream with fast cache. 2.0.100.
* v2.0, 2015-01-18, for [#293][bug #293 ], support rtmp remux to http flv live stream. 2.0.99.
* v2.0, 2015-01-17, fix [#277][bug #277 ], refine http server refer to go http-framework. 2.0.98
* v2.0, 2015-01-17, for [#277][bug #277 ], refine http api refer to go http-framework. 2.0.97
* v2.0, 2015-01-17, hotfix [#290][bug #290 ], use iformat only for rtmp input. 2.0.95
* v2.0, 2015-01-08, hotfix [#281][bug #281 ], fix hls bug ignore type-9 send aud. 2.0.93
* v2.0, 2015-01-03, fix [#274][bug #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][bug #179 ], dvr support custom filepath by variables. 2.0.87
* v2.0, 2015-01-02, fix [#211][bug #211 ], support security allow/deny publish/play all/ip. 2.0.86
* v2.0, 2015-01-02, hotfix [#207][bug #207 ], trim the last 0 of log. 2.0.85
* v2.0, 2014-01-02, fix [#158][bug #158 ], http-callback check http status code ok(200). 2.0.84
* v2.0, 2015-01-02, hotfix [#216][bug #216 ], http-callback post in application/json content-type. 2.0.83
* v2.0, 2014-01-02, fix [#263][bug #263 ], srs-librtmp flv read tag should init size. 2.0.82
* v2.0, 2015-01-01, hotfix [#270][bug #270 ], memory leak for http client post. 2.0.81
* v2.0, 2014-12-12, fix [#266][bug #266 ], aac profile is object id plus one. 2.0.80
* v2.0, 2014-12-29, hotfix [#267][bug #267 ], the forward dest ep should use server. 2.0.79
* v2.0, 2014-12-29, hotfix [#268][bug #268 ], the hls pcr is negative when startup. 2.0.78
* v2.0, 2014-12-22, hotfix [#264][bug #264 ], ignore NALU when sequence header to make HLS happy. 2.0.76
* v2.0, 2014-12-20, hotfix [#264][bug #264 ], support disconnect publish connect when hls error. 2.0.75
* v2.0, 2014-12-12, fix [#257][bug #257 ], support 0.1s+ latency. 2.0.70
* v2.0, 2014-12-08, update wiki for mr([EN][v3_EN_LowLatency#merged-read], [CN][v3_CN_LowLatency#merged-read]) and mw([EN][v3_EN_LowLatency#merged-write], [CN][v3_CN_LowLatency#merged-write]).
* v2.0, 2014-12-07, fix [#251][bug #251 ], 10k+ clients, use queue cond wait and fast vector. 2.0.67
* v2.0, 2014-12-05, fix [#251][bug #251 ], 9k+ clients, use fast cache for msgs queue. 2.0.57
* v2.0, 2014-12-04, fix [#241][bug #241 ], add mw(merged-write) config. 2.0.53
* v2.0, 2014-12-04, for [#241][bug #241 ], support mr(merged-read) config and reload. 2.0.52.
* v2.0, 2014-12-04, enable [#241][bug #241 ] and [#248][bug #248 ], +25% performance, 2.5k publisher. 2.0.50
* v2.0, 2014-12-04, fix [#248][bug #248 ], improve about 15% performance for fast buffer. 2.0.49
* v2.0, 2014-12-03, fix [#244][bug #244 ], conn thread use cond to wait for recv thread error. 2.0.47.
* v2.0, 2014-12-02, merge [#239][p23], 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][bug #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][bug #235 ], refine handshake, replace union with template method. 2.0.38.
* v2.0, 2014-11-28, fix [#215][bug #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][bug #212 ], support publish aac adts raw stream. 2.0.31.
* v2.0, 2014-11-22, fix [#217][bug #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][bug #212 ], support publish audio raw frames. 2.0.27
* v2.0, 2014-11-19, fix [#213][bug #213 ], support compile [srs-librtmp on windows ](https://github.com/winlinvip/srs.librtmp ), [bug #213 ][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][bug #204 ], srs-librtmp drop duplicated sps/pps(sequence header). 2.0.22.
* v2.0, 2014-11-15, fix [#203][bug #203 ], srs-librtmp drop any video before sps/pps(sequence header). 2.0.21.
* v2.0, 2014-11-15, fix [#202][bug #202 ], fix memory leak of h.264 raw packet send in srs-librtmp. 2.0.20.
* v2.0, 2014-11-13, fix [#200][bug #200 ], deadloop when read/write 0 and ETIME. 2.0.16.
* v2.0, 2014-11-13, fix [#194][bug #194 ], writev multiple msgs, support 6k+ 250kbps clients. 2.0.15.
* v2.0, 2014-11-12, fix [#194][bug #194 ], optmized st for timeout recv. pulse to 500ms. 2.0.14.
* v2.0, 2014-11-11, fix [#195][bug #195 ], remove the confuse code st_usleep(0). 2.0.13.
* v2.0, 2014-11-08, fix [#191][bug #191 ], configure --export-librtmp-project and --export-librtmp-single. 2.0.11.
* v2.0, 2014-11-08, fix [#66][bug #66 ], srs-librtmp support write h264 raw packet. 2.0.9.
* v2.0, 2014-10-25, fix [#185][bug #185 ], AMF0 support 0x0B the date type codec. 2.0.7.
* v2.0, 2014-10-24, fix [#186][bug #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][bug #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
* < strong > v1.0, 2014-12-05, [1.0 release(1.0.10)][r1.0r0] released. 59391 lines.</ strong >
* < strong > v1.0, 2014-10-09, [1.0 beta(1.0.0)][r1.0b0] released. 59316 lines.</ strong >
* v1.0, 2014-10-08, fix [#151][bug #151 ], always reap ts whatever audio or video packet. 0.9.223.
* v1.0, 2014-10-08, fix [#162][bug #162 ], failed if no epoll. 0.9.222.
* v1.0, 2014-09-30, fix [#180][bug #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][bug #177 ], dvr segment add config dvr_wait_keyframe. 0.9.213.
* v1.0, 2014-08-28, fix [#167][bug #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][bug #150 ], forward should forward the sequence header when retry. 0.9.208.
* v1.0, 2014-08-22, for [#165][bug #165 ], refine dh wrapper, ensure public key is 128bytes. 0.9.206.
* v1.0, 2014-08-19, for [#160][bug #160 ], support forward/edge to flussonic, disable debug_srs_upnode to make flussonic happy. 0.9.201.
* v1.0, 2014-08-17, for [#155][bug #155 ], refine for osx, with ssl/http, disable statistics. 0.9.198.
* v1.0, 2014-08-06, fix [#148][bug #148 ], simplify the RTMP handshake key generation. 0.9.191.
* v1.0, 2014-08-06, fix [#147][bug #147 ], support identify the srs edge. 0.9.190.
* < strong > v1.0, 2014-08-03, [1.0 mainline7(0.9.189)][r1.0a7] released. 57432 lines.</ strong >
* v1.0, 2014-08-03, fix [#79][bug #79 ], fix the reload remove edge assert bug. 0.9.189.
* v1.0, 2014-08-03, fix [#57][bug #57 ], use lock(acquire/release publish) to avoid duplicated publishing. 0.9.188.
* v1.0, 2014-08-03, fix [#85][bug #85 ], fix the segment-dvr sequence header missing. 0.9.187.
* v1.0, 2014-08-03, fix [#145][bug #145 ], refine ffmpeg log, check abitrate for libaacplus. 0.9.186.
* v1.0, 2014-08-03, fix [#143][bug #143 ], fix retrieve sys stat bug for all linux. 0.9.185.
* v1.0, 2014-08-02, fix [#138][bug #138 ], fix http hooks bug, regression bug. 0.9.184.
* v1.0, 2014-08-02, fix [#142][bug #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][bug #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][bug #124 ], gop cache support disable video in publishing. 0.9.171.
* v1.0, 2014-07-23, fix [#121][bug #121 ], srs_info detail log compile failed. 0.9.168.
* v1.0, 2014-07-19, fix [#119][bug #119 ], use iformat and oformat for ffmpeg transcode. 0.9.163.
* < strong > v1.0, 2014-07-13, [1.0 mainline6(0.9.160)][r1.0a6] released. 50029 lines.</ strong >
* 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][bug #81 ], fix HLS codec info, IOS ok. 0.9.153.
* v1.0, 2014-07-06, fix [#103][bug #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][bug #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][bug #110 ], thread start segment fault, thread cycle stop destroy thread. 0.9.136
* v1.0, 2014-06-27, fix [#109][bug #109 ], fix the system jump time, adjust system startup time. 0.9.135
* < strong > v1.0, 2014-06-27, [1.0 mainline5(0.9.134)][r1.0a5] released. 41573 lines.</ strong >
* v1.0, 2014-06-27, SRS online 30days with RTMP/HLS.
* v1.0, 2014-06-25, fix [#108][bug #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+][v1_CN_Performance#performancereport4k] connections(270kbps). 0.9.130
* v1.0, 2014-06-21, support edge [token traverse][v3_CN_DRM#tokentraverse], fix [#104][bug #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][bug #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
* < strong > v1.0, 2014-05-28, [1.0 mainline4(0.9.120)][r1.0a4] released. 39200 lines.</ strong >
* v1.0, 2014-05-27, fix [#87][bug #87 ], add source id for full trackable log. 0.9.120
* v1.0, 2014-05-27, fix [#84][bug #84 ], unpublish when edge disconnect. 0.9.119
* v1.0, 2014-05-27, fix [#89][bug #89 ], config to /dev/null to disable ffmpeg log. 0.9.117
* v1.0, 2014-05-25, fix [#76][bug #76 ], allow edge vhost to add or remove. 0.9.114
* v1.0, 2014-05-24, Johnny contribute [ossrs.net ](http://ossrs.net ). karthikeyan start to translate wiki to English.
* v1.0, 2014-05-22, fix [#78][bug #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][bug #74 ], add tcUrl for http callback on_connect, 0.9.109
* v1.0, 2014-05-19, support http heartbeat, 0.9.107
* < strong > v1.0, 2014-05-18, [1.0 mainline3(0.9.105)][r1.0a3] released. 37594 lines.</ strong >
* v1.0, 2014-05-18, support http api json, to PUT/POST. 0.9.105
* v1.0, 2014-05-17, fix [#72][bug #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][bug #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][bug #64 ]: install_dir=DESTDIR+PREFIX
* v1.0, 2014-05-08, fix [#36][bug #36 ]: never directly use \*(int32_t\*) for arm.
* v1.0, 2014-05-08, fix [#60][bug #60 ]: support aggregate message
* v1.0, 2014-05-08, fix [#59][bug #59 ], edge support FMS origin server. 0.9.92
* v1.0, 2014-05-06, fix [#50][bug #50 ], ubuntu14 build error.
* v1.0, 2014-05-04, support mips linux.
* v1.0, 2014-04-30, fix bug [#34][bug #34 ]: convert signal to io thread. 0.9.85
* v1.0, 2014-04-29, refine RTMP protocol completed, to 0.9.81
* < strong > v1.0, 2014-04-28, [1.0 mainline2(0.9.79)][r1.0a2] released. 35255 lines.</ strong >
* 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
* < strong > v1.0, 2014-04-07, [1.0 mainline(0.9.55)][r1.0a0] released. 30000 lines.</ strong >
* v1.0, 2014-04-07, support [ingest][v1_CN_SampleIngest] file/stream/device.
* v1.0, 2014-04-05, support [http api][v3_CN_HTTPApi] and [http server][v2_CN_HTTPServer].
* 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_CN_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][p22]
* v1.0, 2014-03-16, support ARM([debian armhf, v7cpu][v1_CN_SrsLinuxArm]) 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][v3_CN_SrsLibrtmp], [SRS for arm][v1_CN_SrsLinuxArm], [product][v1_CN_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][v3_CN_Build], [FFMPEG][v3_CN_FFMPEG], [Reload][v1_CN_Reload]
* v1.0, 2014-02-27, add wiki [LowLatency][v3_CN_LowLatency], [HTTPCallback][v3_CN_HTTPCallback], [ServerSideScript][v1_CN_ServerSideScript], [IDE][v2_CN_IDE]
* v1.0, 2014-01-19, add wiki [DeliveryHLS][v3_CN_DeliveryHLS]
* v1.0, 2014-01-12, add wiki [HowToAskQuestion][v1_CN_HowToAskQuestion], [RtmpUrlVhost][v1_CN_RtmpUrlVhost]
* v1.0, 2014-01-11, fix jw/flower player pause bug, which send closeStream actually.
* v1.0, 2014-01-05, add wiki [Build][v3_CN_Build], [Performance][v1_CN_Performance], [Forward][v3_CN_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.
* < strong > v0.9, 2013-12-25, [v0.9][r0.9] released. 20926 lines.</ strong >
* 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][player] 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.
* < strong > v0.8, 2013-12-08, [v0.8][r0.8] released. 19186 lines.</ strong >
* v0.8, 2013-12-08, support [http hooks][v3_CN_HTTPCallback]: 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][srs-bench], 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.
* < strong > v0.7, 2013-12-03, [v0.7][r0.7] released. 17605 lines.</ strong >
* 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.
* < strong > v0.6, 2013-11-29, [v0.6][r0.6] released. 16094 lines.</ strong >
* 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.
* < strong > v0.5, 2013-11-26, [v0.5][r0.5] released. 14449 lines.</ strong >
* 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).
* < strong > v0.4, 2013-11-10, [v0.4][r0.4] released. 12500 lines.</ strong >
* 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.
* < strong > v0.3, 2013-11-04, [v0.3][r0.3] released. 11773 lines.</ strong >
* 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.
* < strong > v0.2, 2013-10-25, [v0.2][r0.2] released. 10125 lines.</ strong >
* 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.
* < strong > v0.1, 2013-10-23, [v0.1][r0.1] released. 8287 lines.</ strong >
* 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
* 2020-01-21, [Release v3.0-a9][r3.0a9], 3.0 alpha9, 3.0.105, 121577 lines.
* 2020-01-10, [Release v3.0-a8][r3.0a8], 3.0 alpha8, 3.0.97, 121555 lines.
* 2019-12-29, [Release v3.0-a7][r3.0a7], 3.0 alpha7, 3.0.90, 116356 lines.
* 2019-12-26, [Release v3.0-a6][r3.0a6], 3.0 alpha6, 3.0.85, 116056 lines.
* 2019-12-19, [Release v3.0-a5][r3.0a5], 3.0 alpha5, 3.0.75, 115362 lines.
* 2019-12-13, [Release v3.0-a4][r3.0a4], 3.0 alpha4, 3.0.71, 112928 lines.
* 2019-11-30, [Release v3.0-a3][r3.0a3], 3.0 alpha3, 3.0.67, 110864 lines.
* 2019-11-30, [Release v3.0-a2][r3.0a2], 3.0 alpha2, 3.0.66, 110831 lines.
* 2019-10-07, [Release v3.0-a1][r3.0a1], 3.0 alpha1, 3.0.60, 107962 lines.
* 2019-10-04, [Release v3.0-a0][r3.0a0], 3.0 alpha0, 3.0.56, 107946 lines.
* 2017-03-03, [Release v2.0-r0][r2.0r0], 2.0 release0, 2.0.234, 86373 lines.
* 2016-11-13, [Release v2.0-b3][r2.0b3], 2.0 beta3, 2.0.223, 86685 lines.
* 2016-11-09, [Release v2.0-b2][r2.0b2], 2.0 beta2, 2.0.221, 86691 lines.
* 2016-09-09, [Release v2.0-b1][r2.0b1], 2.0 beta1, 2.0.215, 89941 lines.
* 2016-08-06, [Release v2.0-b0][r2.0b0], 2.0 beta0, 2.0.210, 89704 lines.
* 2015-12-23, [Release v2.0-a3][r2.0a3], 2.0 alpha3, 2.0.205, 89544 lines.
* 2015-10-08, [Release v2.0-a2][r2.0a2], 2.0 alpha2, 2.0.195, 89358 lines.
* 2015-09-14, [Release v2.0-a1][r2.0a1], 2.0 alpha1, 2.0.189, 89269 lines.
* 2015-08-23, [Release v2.0-a0][r2.0a0], 2.0 alpha0, 2.0.185, 89022 lines.
* 2015-05-23, [Release v1.0-r4][r1.0r4], bug fixed, 1.0.32, 59509 lines.
* 2015-03-19, [Release v1.0-r3][r1.0r3], bug fixed, 1.0.30, 59511 lines.
* 2015-02-12, [Release v1.0-r2][r1.0r2], bug fixed, 1.0.27, 59507 lines.
* 2015-01-15, [Release v1.0-r1][r1.0r1], bug fixed, 1.0.21, 59472 lines.
* 2014-12-05, [Release v1.0-r0][r1.0r0], all bug fixed, 1.0.10, 59391 lines.
* 2014-10-09, [Release v0.9.8][r1.0b0], all bug fixed, 1.0.0, 59316 lines.
* 2014-08-03, [Release v0.9.7][r1.0a7], config utest, all bug fixed. 57432 lines.
* 2014-07-13, [Release v0.9.6][r1.0a6], core/kernel/rtmp utest, refine bandwidth(as/js/srslibrtmp library). 50029 lines.
* 2014-06-27, [Release v0.9.5][r1.0a5], refine perf 3k+ clients, edge token traverse, 30days online. 41573 lines.
* 2014-05-28, [Release v0.9.4][r1.0a4], support heartbeat, tracable log, fix mem leak and bugs. 39200 lines.
* 2014-05-18, [Release v0.9.3][r1.0a3], support mips, fms origin, json(http-api). 37594 lines.
* 2014-04-28, [Release v0.9.2][r1.0a2], support [dvr][v3_CN_DVR], android, [edge][v3_CN_Edge]. 35255 lines.
* 2014-04-07, [Release v0.9.1][r1.0a0], support [arm][v1_CN_SrsLinuxArm], [init.d][v1_CN_LinuxService], http [server][v2_CN_HTTPServer]/[api][v3_CN_HTTPApi], [ingest][v1_CN_SampleIngest]. 30000 lines.
* 2013-12-25, [Release v0.9.0][r0.9], support bandwidth test, player/encoder/chat [demos][v1_CN_SampleDemo]. 20926 lines.
* 2013-12-08, [Release v0.8.0][r0.8], support [http hooks callback][v3_CN_HTTPCallback], update [SB][srs-bench]. 19186 lines.
* 2013-12-03, [Release v0.7.0][r0.7], support [live stream transcoding][v3_CN_FFMPEG]. 17605 lines.
* 2013-11-29, [Release v0.6.0][r0.6], support [forward][v3_CN_Forward] stream to origin/edge. 16094 lines.
* 2013-11-26, [Release v0.5.0][r0.5], support [HLS(m3u8)][v3_CN_DeliveryHLS], fragment and window. 14449 lines.
* 2013-11-10, [Release v0.4.0][r0.4], support [reload][v1_CN_Reload] config, pause, longtime publish/play. 12500 lines.
* 2013-11-04, [Release v0.3.0][r0.3], support [vhost][v1_CN_RtmpUrlVhost], refer, gop cache, listen multiple ports. 11773 lines.
* 2013-10-25, [Release v0.2.0][r0.2], support [rtmp][v1_CN_RTMPHandshake] flash publish, h264, time jitter correct. 10125 lines.
* 2013-10-23, [Release v0.1.0][r0.1], support [rtmp FMLE/FFMPEG publish][v1_CN_DeliveryRTMP], vp6. 8287 lines.
* 2013-10-17, Created.
## Compare
Comparing with other media servers, SRS is much better and stronger, for details please read Product([CN][v1_CN_Compare]/[EN][v1_EN_Compare]).
< a name = "stream-delivery" > < / a >
**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 |
| SRT | Experiment| X | X | X | Stable |
| HTTP Server | Stable | Stable | X | X | Stable |
< a name = "cluster" > < / a >
**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 |
< a name = "stream-service" > < / a >
**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 |
< a name = "efficiency" > < / a >
**Efficiency**
| Feature | SRS | NGINX | CRTMPD | AMS | 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 |
< a name = "stream-caster" > < / a >
**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 |
< a name = "debug-system" > < / a >
**Debug System**
| Feature | SRS | NGINX | CRTMPD | AMS | WOWZA |
| ----------- | ------- | ----- | --------- | -------- | ------ |
| BW check | Stable | X | X | X | X |
| Tracable Log | Stable | X | X | X | X |
< a name = "docs" > < / a >
**Docs**
| Feature | SRS | NGINX | CRTMPD | AMS | WOWZA |
| ----------- | ------- | ----- | --------- | -------- | ------ |
| Demos | Stable | X | X | X | X |
| WIKI(EN+CN) | Stable | EN only | X | X | Stable |
< a name = "others" > < / a >
**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.
1. MultipleProcess: SRS supports multiple processes by [go-oryx][oryx].
1. HLS aonly: HLS supports audio only mode without video stream.
1. BW check: The bandwidth check feature is used to detect the bandwidth between server and client.
1. Security: The security includes access control, token authentication and referer check.
1. Reload: SRS and Nginx supports reload, but nginx-rtmp doesn't.
## Performance
The performance benchmark data and corelative commits are listed here.
* See also: [Performance for x86/x64 Test Guide][v1_CN_Performance].
* See also: [Performance for RaspberryPi][v1_CN_RaspberryPi].
* For multiple processes performance, read [#775: REUSEPORT][bug #775 ] or OriginCluster([CN][v3_EN_OriginCluster]/[EN][v3_EN_OriginCluster]) or [go-oryx][oryx].
< a name = "play-rtmp-benchmark" > < / a >
**Play RTMP benchmark**
The data for playing RTMP was benchmarked by [SB][srs-bench]:
| 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][p6] |
| 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][p7] |
| 2014-11-13 | 2.0.15 | 6.0k(6000) | players | 82% | 203MB | [code][p8] |
| 2014-11-22 | 2.0.30 | 7.5k(7500) | players | 87% | 320MB | [code][p9] |
| 2014-12-05 | 2.0.55 | 8.0k(8000) | players | 89% | 360MB | [code][p10] |
| 2014-12-05 | 2.0.57 | 9.0k(9000) | players | 90% | 468MB | [code][p11] |
| 2014-12-07 | 2.0.67 | 10k(10000) | players | 95% | 656MB | [code][p12] |
< a name = "publish-rtmp-benchmark" > < / a >
**Publish RTMP benchmark**
The data for publishing RTMP was benchmarked by [SB][srs-bench]:
| 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][p1] |
| 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][p2] |
| 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][p3] |
| 2014-12-04 | 2.0.51 | 2.5k(2500) | publishers | 91% | 259MB | [code][p4] |
| 2014-12-04 | 2.0.52 | 4.0k(4000) | publishers | 80% | 331MB | [code][p5] |
< a name = "play-http-flv-benchmark" > < / a >
**Play HTTP FLV benchmark**
The data for playing HTTP FLV was benchmarked by [SB][srs-bench]:
| 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][p17] |
| 2014-05-24 | 2.0.169 | 3.0k(3000) | players | 94% | 188MB | [code][p18] |
| 2014-05-24 | 2.0.170 | 3.0k(3000) | players | 89% | 96MB | [code][p19] |
| 2014-05-25 | 2.0.171 | 6.0k(6000) | players | 84% | 297MB | [code][p20] |
< a name = "latency-benchmark" > < / a >
**Latency benchmark**
The latency between encoder and player with realtime config([CN][v3_CN_LowLatency], [EN][v3_EN_LowLatency]):
|
| 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][p13]|[0.4s][p14]| 1.0s | 0.9s |
| 2014-12-16 | 2.0.72 | 0.1s | 0.4s |[0.8s][p15]|[0.6s][p16]|
> 2018-08-05, [c45f72e](https://github.com/ossrs/srs/commit/c45f72ef7bac9c7cf85b9125fc9e3aafd53f396f), 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 ][bug #257 -c0].
< a name = "hls-overhead" > < / a >
**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][bug #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/SRT server | Programs in Main or Research |
+----------------+--+------------+---------------------+
| App(For SRS) | Modules(1) | research/librtmp |
+-------------------+------------+---------------------+
| Service(C/S apps over ST) | srs-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][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-+->- StreamCaster(4) -(rtmp)-+-> SRS |
| Device, | | |
| ......) | | |
+----------------------+ | |
| FFMPEG --push(srt)--+->- SRTModule(5) ---(rtmp)-+-> SRS |
+----------------------+----------------------------+----------------+
```
Remark:
1. Encoder: Encoder pushs RTMP stream to SRS.
1. MediaSource: Supports any media source, ingesting by ffmpeg.
1. Ingester: Forks a ffmpeg(or other tools) to ingest as rtmp to SRS, please read [Ingest][v1_CN_Ingest].
1. Streamer: Remuxs other protocols to RTMP, please read [Streamer][v2_CN_Streamer].
1. EXEC: Like NGINX-RTMP, EXEC forks external tools for events, please read [ng-exec][v3_CN_NgExec].
1. SRTModule: A isolate module which run in [hybrid ](https://github.com/ossrs/srs/issues/1147#issuecomment-577574883 ) model.
## AUTHORS
There are two types of people that have contributed to the SRS project:
* AUTHORS: Contribute important features. Names of all authors responsed in NetConnection.connect and metadata.
* CONTRIBUTORS: Submit patches, report bugs, add translations, help answer newbie questions, and generally make SRS much better.
About all AUTHORS and CONTRIBUTORS, read [AUTHORS.txt][authors].
A big THANK YOU goes to:
* All friends of SRS for [big supports][bigthanks].
* Genes amd Mabbott for creating [st][st]([state-threads][st2]).
* Michael Talyanksy for introducing us to use st.
* Roman Arutyunyan for creating [nginx-rtmp][nginx-rtmp] for SRS to refer to.
* Joyent for creating [http-parser][http-parser] for http-api for SRS.
* Igor Sysoev for creating [nginx][nginx] for SRS to refer to.
* [FFMPEG][FFMPEG] and [libx264][libx264] group for SRS to use as transcoder.
* Guido van Rossum for creating Python for api-server for SRS.
## Mirrors
OSChina: [https://gitee.com/winlinvip/srs.oschina][oschina], the GIT usage([CN][v1_CN_Git], [EN][v1_EN_Git])
```
git clone https://gitee.com/winlinvip/srs.oschina.git
```
> Remark: For users in China, recomment to use mirror from CSDN or OSChina, because they are much faster.
Github: [https://github.com/ossrs/srs][srs], the GIT usage([CN][v1_CN_Git], [EN][v1_EN_Git])
```
git clone https://github.com/ossrs/srs.git
```
Gitlab: [https://gitlab.com/winlinvip/srs-gitlab][gitlab], the GIT usage([CN][v1_CN_Git], [EN][v1_EN_Git])
```
git clone https://gitlab.com/winlinvip/srs-gitlab.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][docker-srs3].
Beijing, 2013.10< br / >
Winlin
[p1]: https://github.com/ossrs/srs/commit/787ab674e38734ea8e0678101614fdcd84645dc8
[p2]: https://github.com/ossrs/srs/commit/f35ec2155b1408d528a9f37da7904c9625186bcf
[p3]: https://github.com/ossrs/srs/commit/29324fab469e0f7cef9ad04ffdbce832ac7dd9ff
[p4]: https://github.com/ossrs/srs/commit/f57801eb46c16755b173984b915a4166922df6a6
[p5]: https://github.com/ossrs/srs/commit/5589b13d2e216b91f97afb78ee0c011b2fccf7da
[p6]: https://github.com/ossrs/srs/commit/1ae3e6c64cc5cee90e6050c26968ebc3c18281be
[p7]: https://github.com/ossrs/srs/commit/8acd143a7a152885b815999162660fd4e7a3f247
[p8]: https://github.com/ossrs/srs/commit/cc6aca9ad55342a06440ce7f3b38453776b2b2d1
[p9]: https://github.com/ossrs/srs/commit/58136ec178e3d47db6c90a59875d7e40946936e5
[p10]: https://github.com/ossrs/srs/commit/58136ec178e3d47db6c90a59875d7e40946936e5
[p11]: https://github.com/ossrs/srs/commit/9ee138746f83adc26f0e236ec017f4d68a300004
[p12]: https://github.com/ossrs/srs/commit/1311b6fe6576fd7b9c6d299b0f8f2e8d202f4bf8
[p13]: https://github.com/ossrs/srs/commit/10297fab519811845b549a8af40a6bcbd23411e8
[p14]: https://github.com/ossrs/srs/commit/10297fab519811845b549a8af40a6bcbd23411e8
[p15]: https://github.com/ossrs/srs/commit/0d6b91039d408328caab31a1077d56a809b6bebc
[p16]: https://github.com/ossrs/srs/commit/0d6b91039d408328caab31a1077d56a809b6bebc
[p17]: https://github.com/ossrs/srs/commit/fc995473eb02c7cf64b5b212b456e11f34aa7984
[p18]: https://github.com/ossrs/srs/commit/960341b9b2b9646270ccfd113b4dd784d9826c73
[p19]: https://github.com/ossrs/srs/commit/4df19ba99a4e4d80cd89b304f9298d343497bec9
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[p22]: https://github.com/ossrs/srs/commit/5a4373d4835758188b9a1f03005cea0b6ddc62aa
[p23]: https://github.com/ossrs/srs/pull/239
[pr #558 ]: https://github.com/ossrs/srs/pull/558
[pr #559 ]: https://github.com/ossrs/srs/pull/559
[authors]: https://github.com/ossrs/srs/blob/develop/AUTHORS.txt
[bigthanks]: https://github.com/ossrs/srs/wiki/v1_CN_Product#bigthanks
[st]: https://github.com/winlinvip/state-threads
[st2]: http://sourceforge.net/projects/state-threads/
[state-threads]: http://sourceforge.net/projects/state-threads/
[nginx-rtmp]: https://github.com/arut/nginx-rtmp-module
[http-parser]: https://github.com/joyent/http-parser
[nginx]: http://nginx.org/
[FFMPEG]: http://ffmpeg.org/
[libx264]: http://www.videolan.org/
[srs]: https://github.com/ossrs/srs
[csdn]: https://code.csdn.net/winlinvip/srs-csdn
[oschina]: https://gitee.com/winlinvip/srs.oschina
[srs-dolphin]: https://github.com/ossrs/srs-dolphin
[oryx]: https://github.com/ossrs/go-oryx
[srs-bench]: https://github.com/ossrs/srs-bench
[srs-ngb]: https://github.com/ossrs/srs-ngb
[srs-librtmp]: https://github.com/ossrs/srs-librtmp
[gitlab]: https://gitlab.com/winlinvip/srs-gitlab
[console]: http://ossrs.net:1985/console
[player]: http://ossrs.net/players/srs_player.html
[modules]: https://github.com/ossrs/srs/blob/develop/trunk/modules/readme.txt
[docker-srs3]: https://github.com/ossrs/srs-docker#srs3
[docker-dev]: https://github.com/ossrs/srs-docker/tree/dev#usage
[v1_CN_Git]: https://github.com/ossrs/srs/wiki/v1_CN_Git
[v1_EN_Git]: https://github.com/ossrs/srs/wiki/v1_EN_Git
[v1_CN_SampleRTMP]: https://github.com/ossrs/srs/wiki/v1_CN_SampleRTMP
[v1_EN_SampleRTMP]: https://github.com/ossrs/srs/wiki/v1_EN_SampleRTMP
[v3_CN_SampleRTMPCluster]: https://github.com/ossrs/srs/wiki/v3_CN_SampleRTMPCluster
[v3_EN_SampleRTMPCluster]: https://github.com/ossrs/srs/wiki/v3_EN_SampleRTMPCluster
[v3_CN_SampleOriginCluster]: https://github.com/ossrs/srs/wiki/v3_CN_SampleOriginCluster
[v3_EN_SampleOriginCluster]: https://github.com/ossrs/srs/wiki/v3_EN_SampleOriginCluster
[v3_CN_SampleHLS]: https://github.com/ossrs/srs/wiki/v3_CN_SampleHLS
[v3_EN_SampleHLS]: https://github.com/ossrs/srs/wiki/v3_EN_SampleHLS
[v3_CN_SampleTranscode2HLS]: https://github.com/ossrs/srs/wiki/v3_CN_SampleTranscode2HLS
[v3_EN_SampleTranscode2HLS]: https://github.com/ossrs/srs/wiki/v3_EN_SampleTranscode2HLS
[v2_CN_SampleFFMPEG]: https://github.com/ossrs/srs/wiki/v2_CN_SampleFFMPEG
[v2_EN_SampleFFMPEG]: https://github.com/ossrs/srs/wiki/v2_EN_SampleFFMPEG
[v3_CN_SampleForward]: https://github.com/ossrs/srs/wiki/v3_CN_SampleForward
[v3_EN_SampleForward]: https://github.com/ossrs/srs/wiki/v3_EN_SampleForward
[v3_CN_SampleRealtime]: https://github.com/ossrs/srs/wiki/v3_CN_SampleRealtime
[v3_EN_SampleRealtime]: https://github.com/ossrs/srs/wiki/v3_EN_SampleRealtime
[v1_CN_SampleARM]: https://github.com/ossrs/srs/wiki/v1_CN_SampleARM
[v1_EN_SampleARM]: https://github.com/ossrs/srs/wiki/v1_EN_SampleARM
[v1_CN_SampleIngest]: https://github.com/ossrs/srs/wiki/v1_CN_SampleIngest
[v1_EN_SampleIngest]: https://github.com/ossrs/srs/wiki/v1_EN_SampleIngest
[v3_CN_SampleHTTP]: https://github.com/ossrs/srs/wiki/v3_CN_SampleHTTP
[v3_EN_SampleHTTP]: https://github.com/ossrs/srs/wiki/v3_EN_SampleHTTP
[v1_CN_SampleDemo]: https://github.com/ossrs/srs/wiki/v1_CN_SampleDemo
[v1_EN_SampleDemo]: https://github.com/ossrs/srs/wiki/v1_EN_SampleDemo
[v3_CN_OriginCluster]: https://github.com/ossrs/srs/wiki/v3_CN_OriginCluster
[v3_EN_OriginCluster]: https://github.com/ossrs/srs/wiki/v3_EN_OriginCluster
[v3_CN_SrsLibrtmp2]: https://github.com/ossrs/srs/wiki/v3_CN_SrsLibrtmp#publish-h264-raw-data
[v3_EN_SrsLibrtmp2]: https://github.com/ossrs/srs/wiki/v3_EN_SrsLibrtmp#publish-h264-raw-data
[v3_CN_REUSEPORT]: https://github.com/ossrs/srs/wiki/v3_CN_REUSEPORT
[v3_EN_REUSEPORT]: https://github.com/ossrs/srs/wiki/v3_EN_REUSEPORT
[v1_CN_Sample]: https://github.com/ossrs/srs/wiki/v1_CN_Sample
[v1_EN_Sample]: https://github.com/ossrs/srs/wiki/v1_EN_Sample
[v1_CN_Product]: https://github.com/ossrs/srs/wiki/v1_CN_Product
[v1_EN_Product]: https://github.com/ossrs/srs/wiki/v1_EN_Product
[v1-wiki-cn]: https://github.com/ossrs/srs/wiki/v1_CN_Home
[v1-wiki-en]: https://github.com/ossrs/srs/wiki/v1_EN_Home
[v2-wiki-cn]: https://github.com/ossrs/srs/wiki/v2_CN_Home
[v2-wiki-en]: https://github.com/ossrs/srs/wiki/v2_EN_Home
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[v1_EN_Home]: https://github.com/ossrs/srs/wiki/v1_EN_Home
[v2_CN_Home]: https://github.com/ossrs/srs/wiki/v2_CN_Home
[v2_EN_Home]: https://github.com/ossrs/srs/wiki/v2_EN_Home
[v3_CN_Home]: https://github.com/ossrs/srs/wiki/v3_CN_Home
[v3_EN_Home]: https://github.com/ossrs/srs/wiki/v3_EN_Home
[v4_CN_Home]: https://github.com/ossrs/srs/wiki/v4_CN_Home
[v4_EN_Home]: https://github.com/ossrs/srs/wiki/v4_EN_Home
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[donation1]: http://ossrs.net/srs.release/donation/index.html
[donation2]: http://ossrs.net/srs.release/donation/paypal.html
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[v1_EN_Compare]: https://github.com/ossrs/srs/wiki/v1_EN_Compare
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[v1_CN_Performance]: https://github.com/ossrs/srs/wiki/v1_CN_Performance
[v1_EN_Performance]: https://github.com/ossrs/srs/wiki/v1_EN_Performance
[v1_CN_DeliveryRTMP]: https://github.com/ossrs/srs/wiki/v1_CN_DeliveryRTMP
[v1_EN_DeliveryRTMP]: https://github.com/ossrs/srs/wiki/v1_EN_DeliveryRTMP
[v3_CN_Edge]: https://github.com/ossrs/srs/wiki/v3_CN_Edge
[v3_EN_Edge]: https://github.com/ossrs/srs/wiki/v3_EN_Edge
[v1_CN_RtmpUrlVhost]: https://github.com/ossrs/srs/wiki/v1_CN_RtmpUrlVhost
[v1_EN_RtmpUrlVhost]: https://github.com/ossrs/srs/wiki/v1_EN_RtmpUrlVhost
[v1_CN_RTMPHandshake]: https://github.com/ossrs/srs/wiki/v1_CN_RTMPHandshake
[v1_EN_RTMPHandshake]: https://github.com/ossrs/srs/wiki/v1_EN_RTMPHandshake
[v2_CN_HTTPServer]: https://github.com/ossrs/srs/wiki/v2_CN_HTTPServer
[v2_EN_HTTPServer]: https://github.com/ossrs/srs/wiki/v2_EN_HTTPServer
[v3_CN_DeliveryHLS]: https://github.com/ossrs/srs/wiki/v3_CN_DeliveryHLS
[v3_EN_DeliveryHLS]: https://github.com/ossrs/srs/wiki/v3_EN_DeliveryHLS
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[v3_EN_DeliveryHLS2]: https://github.com/ossrs/srs/wiki/v3_EN_DeliveryHLS#hlsaudioonly
[v1_CN_Reload]: https://github.com/ossrs/srs/wiki/v1_CN_Reload
[v1_EN_Reload]: https://github.com/ossrs/srs/wiki/v1_EN_Reload
[v3_CN_LowLatency2]: https://github.com/ossrs/srs/wiki/v3_CN_LowLatency#gop-cache
[v3_EN_LowLatency2]: https://github.com/ossrs/srs/wiki/v3_EN_LowLatency#gop-cache
[v3_CN_Forward]: https://github.com/ossrs/srs/wiki/v3_CN_Forward
[v3_EN_Forward]: https://github.com/ossrs/srs/wiki/v3_EN_Forward
[v3_CN_FFMPEG]: https://github.com/ossrs/srs/wiki/v3_CN_FFMPEG
[v3_EN_FFMPEG]: https://github.com/ossrs/srs/wiki/v3_EN_FFMPEG
[v3_CN_HTTPCallback]: https://github.com/ossrs/srs/wiki/v3_CN_HTTPCallback
[v3_EN_HTTPCallback]: https://github.com/ossrs/srs/wiki/v3_EN_HTTPCallback
[v1_CN_BandwidthTestTool]: https://github.com/ossrs/srs/wiki/v1_CN_BandwidthTestTool
[v1_EN_BandwidthTestTool]: https://github.com/ossrs/srs/wiki/v1_EN_BandwidthTestTool
[v1_CN_SampleDemo]: https://github.com/ossrs/srs/wiki/v1_CN_SampleDemo
[v1_EN_SampleDemo]: https://github.com/ossrs/srs/wiki/v1_EN_SampleDemo
[v3_CN_SrsLibrtmp]: https://github.com/ossrs/srs/wiki/v3_CN_SrsLibrtmp
[v3_EN_SrsLibrtmp]: https://github.com/ossrs/srs/wiki/v3_EN_SrsLibrtmp
[v1_CN_SrsLinuxArm]: https://github.com/ossrs/srs/wiki/v1_CN_SrsLinuxArm
[v1_EN_SrsLinuxArm]: https://github.com/ossrs/srs/wiki/v1_EN_SrsLinuxArm
[v1_CN_LinuxService]: https://github.com/ossrs/srs/wiki/v1_CN_LinuxService
[v1_EN_LinuxService]: https://github.com/ossrs/srs/wiki/v1_EN_LinuxService
[v3_CN_RTMP-ATC]: https://github.com/ossrs/srs/wiki/v3_CN_RTMP-ATC
[v3_EN_RTMP-ATC]: https://github.com/ossrs/srs/wiki/v3_EN_RTMP-ATC
[v3_CN_HTTPApi]: https://github.com/ossrs/srs/wiki/v3_CN_HTTPApi
[v3_EN_HTTPApi]: https://github.com/ossrs/srs/wiki/v3_EN_HTTPApi
[v1_CN_Ingest]: https://github.com/ossrs/srs/wiki/v1_CN_Ingest
[v1_EN_Ingest]: https://github.com/ossrs/srs/wiki/v1_EN_Ingest
[v3_CN_DVR]: https://github.com/ossrs/srs/wiki/v3_CN_DVR
[v3_EN_DVR]: https://github.com/ossrs/srs/wiki/v3_EN_DVR
[v1_CN_SrsLog]: https://github.com/ossrs/srs/wiki/v1_CN_SrsLog
[v1_EN_SrsLog]: https://github.com/ossrs/srs/wiki/v1_EN_SrsLog
[v3_CN_DRM2]: https://github.com/ossrs/srs/wiki/v3_CN_DRM#tokentraverse
[v3_EN_DRM2]: https://github.com/ossrs/srs/wiki/v3_EN_DRM#tokentraverse
[v3_CN_SampleHTTP]: https://github.com/ossrs/srs/wiki/v3_CN_SampleHTTP
[v3_EN_SampleHTTP]: https://github.com/ossrs/srs/wiki/v3_EN_SampleHTTP
[v2_CN_FlvVodStream]: https://github.com/ossrs/srs/wiki/v2_CN_FlvVodStream
[v2_EN_FlvVodStream]: https://github.com/ossrs/srs/wiki/v2_EN_FlvVodStream
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[v3_EN_SrsLibrtmp2]: https://github.com/ossrs/srs/wiki/v3_EN_SrsLibrtmp#publish-h264-raw-data
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[v2_CN_Security]: https://github.com/ossrs/srs/wiki/v2_CN_Security
[v2_EN_Security]: https://github.com/ossrs/srs/wiki/v2_EN_Security
[v2_CN_DeliveryHttpStream]: https://github.com/ossrs/srs/wiki/v2_CN_DeliveryHttpStream
[v2_EN_DeliveryHttpStream]: https://github.com/ossrs/srs/wiki/v2_EN_DeliveryHttpStream
[v2_CN_DeliveryHDS]: https://github.com/ossrs/srs/wiki/v2_CN_DeliveryHDS
[v2_EN_DeliveryHDS]: https://github.com/ossrs/srs/wiki/v2_EN_DeliveryHDS
[v2_CN_Streamer]: https://github.com/ossrs/srs/wiki/v2_CN_Streamer
[v2_EN_Streamer]: https://github.com/ossrs/srs/wiki/v2_EN_Streamer
[v2_CN_Streamer2]: https://github.com/ossrs/srs/wiki/v2_CN_Streamer#push-http-flv-to-srs
[v2_EN_Streamer2]: https://github.com/ossrs/srs/wiki/v2_EN_Streamer#push-http-flv-to-srs
[v3_CN_SampleHttpFlv]: https://github.com/ossrs/srs/wiki/v3_CN_SampleHttpFlv
[v3_EN_SampleHttpFlv]: https://github.com/ossrs/srs/wiki/v3_EN_SampleHttpFlv
[v3_CN_SampleHttpFlvCluster]: https://github.com/ossrs/srs/wiki/v3_CN_SampleHttpFlvCluster
[v3_EN_SampleHttpFlvCluster]: https://github.com/ossrs/srs/wiki/v3_EN_SampleHttpFlvCluster
[v3_CN_LowLatency]: https://github.com/ossrs/srs/wiki/v3_CN_LowLatency
[v3_EN_LowLatency]: https://github.com/ossrs/srs/wiki/v3_EN_LowLatency
[v3_EN_LowLatency#merged-read]: https://github.com/ossrs/srs/wiki/v3_EN_LowLatency#merged-read
[v1_CN_Performance#performancereport4k]: https://github.com/ossrs/srs/wiki/v1_CN_Performance#performancereport4k
[v3_CN_DRM#tokentraverse]: https://github.com/ossrs/srs/wiki/v3_CN_DRM#tokentraverse
[v1_CN_RaspberryPi]: https://github.com/ossrs/srs/wiki/v1_CN_RaspberryPi
[v3_CN_SrsLibrtmp]: https://github.com/ossrs/srs/wiki/v3_CN_SrsLibrtmp
[v3_CN_Build]: https://github.com/ossrs/srs/wiki/v3_CN_Build
[v3_CN_LowLatency]: https://github.com/ossrs/srs/wiki/v3_CN_LowLatency
[v1_CN_HowToAskQuestion]: https://github.com/ossrs/srs/wiki/v1_CN_HowToAskQuestion
[v3_CN_Build]: https://github.com/ossrs/srs/wiki/v3_CN_Build
[v1_CN_Performance]: https://github.com/ossrs/srs/wiki/v1_CN_Performance
[v1_CN_RaspberryPi]: https://github.com/ossrs/srs/wiki/v1_CN_RaspberryPi
[v3_CN_LowLatency#merged-read]: https://github.com/ossrs/srs/wiki/v3_CN_LowLatency#merged-read
[v1_CN_Product]: https://github.com/ossrs/srs/wiki/v1_CN_Product
[v1_CN_ServerSideScript]: https://github.com/ossrs/srs/wiki/v1_CN_ServerSideScript
[v3_EN_LowLatency#merged-write]: https://github.com/ossrs/srs/wiki/v3_EN_LowLatency#merged-write
[v2_CN_IDE]: https://github.com/ossrs/srs/wiki/v2_CN_IDE
[v3_CN_LowLatency#merged-write]: https://github.com/ossrs/srs/wiki/v3_CN_LowLatency#merged-write
[v3_CN_NgExec]:https://github.com/ossrs/srs/wiki/v3_CN_NgExec
[v3_EN_NgExec]:https://github.com/ossrs/srs/wiki/v3_EN_NgExec
[bug #213 ]: https://github.com/ossrs/srs/issues/213
[bug #194 ]: https://github.com/ossrs/srs/issues/194
[bug #182 ]: https://github.com/ossrs/srs/issues/182
[bug #257 ]: https://github.com/ossrs/srs/issues/257
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[bug #216 ]: https://github.com/ossrs/srs/issues/216
[bug #263 ]: https://github.com/ossrs/srs/issues/263
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[bug #264 ]: https://github.com/ossrs/srs/issues/264
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[bug #257 ]: https://github.com/ossrs/srs/issues/257
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[bug #241 ]: https://github.com/ossrs/srs/issues/241
[bug #241 ]: https://github.com/ossrs/srs/issues/241
[bug #241 ]: https://github.com/ossrs/srs/issues/241
[bug #248 ]: https://github.com/ossrs/srs/issues/248
[bug #244 ]: https://github.com/ossrs/srs/issues/244
[bug #237 ]: https://github.com/ossrs/srs/issues/237
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