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simple-rtmp-server

srs(simple rtmp origin live server) over state-threads.
srs is a simple, high-performance, running in single process, origin live server.
srs supports rtmp, HLS, transcoding, forward, http hooks.
blog: http://blog.csdn.net/win_lin
see also: https://github.com/winlinvip/simple-rtmp-server
see also: http://winlinvip.github.io/simple-rtmp-server

Contributors

winlin(winterserver): http://blog.csdn.net/win_lin

Usage

step 1: build srs

tar xf simple-rtmp-server-*.*.tar.gz
cd simple-rtmp-server-*.*/trunk
./configure --with-ssl --with-hls --with-ffmpeg --with-http
make

step 2: start srs

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

step 3(optimal): start srs listen at 19350 to forward to

./objs/simple_rtmp_server -c conf/srs.19350.conf

step 4(optional): start nginx for HLS

sudo ./objs/nginx/sbin/nginx

step 5(optional): start http hooks for srs callback

python ./research/api-server/server.py 8085

step 6: publish live stream

FMS URL: rtmp://127.0.0.1:1935/live
Stream:  livestream
For example, use ffmpeg to publish:
    for((;;)); do \
        ./objs/ffmpeg/bin/ffmpeg -re -i ./doc/source.200kbps.768x320.flv \
        -vcodec copy -acodec copy \
        -f flv -y rtmp://127.0.0.1:1935/live/livestream; \
        sleep 1; \
    done

step 7: add server ip to client hosts as demo.

# edit the following file:
# linux: /etc/hosts
# windows: C:\Windows\System32\drivers\etc\hosts
# where server ip is 192.168.2.111
192.168.2.111 demo 

step 8: play live stream.

rtmp url: rtmp://demo:1935/live/livestream
m3u8 url: http://demo:80/live/livestream.m3u8
for android: http://demo:80/live/livestream.html

step 9: play live stream auto transcoded

rtmp url: rtmp://demo:1935/live/livestream_ld
m3u8 url: http://demo:80/live/livestream_ld.m3u8
for android: http://demo:80/live/livestream_ld.html
rtmp url: rtmp://demo:1935/live/livestream_sd
m3u8 url: http://demo:80/live/livestream_sd.m3u8
for android: http://demo:80/live/livestream_sd.html

step 10: play live stream auto forwarded, the hls dir change to /forward

rtmp url: rtmp://demo:19350/live/livestream
m3u8 url: http://demo:80/forward/live/livestream.m3u8
for android: http://demo:80/forward/live/livestream.html
rtmp url: rtmp://demo:19350/live/livestream_ld
m3u8 url: http://demo:80/forward/live/livestream_ld.m3u8
for android: http://demo:80/forward/live/livestream_ld.html
rtmp url: rtmp://demo:19350/live/livestream_sd
m3u8 url: http://demo:80/forward/live/livestream_sd.m3u8
for android: http://demo:80/forward/live/livestream_sd.html

Architecture

System Architecture:

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

Stream Architecture:

        +---------+              +----------+ 
        + Publish +              +  Deliver | 
        +---|-----+              +----|-----+ 
+-----------+-------------------------+----------------+
| Encoder   | SRS(Simple Rtmp Server) |     Client     |
+-----------+-------------------------+----------------+
| (FMLE,    |   +-> RTMP protocol ----+-> Flash Player |
| FFMPEG, --+-> +-> HLS/NGINX --------+-> m3u8 player  |
| Flash,    |   +-> Forwarder --------+-> RTMP Server  |
| XSPLIT,   |   +-> Transcoder -------+-> RTMP Server  |
|  ...)     |   +-> DVR --------------+-> FILE         |
+-----------+-------------------------+----------------+

System Requirements

Supported operating systems and hardware:

  • All Linux , both 32 and 64 bits
  • All hardware.

Summary

  1. simple: also stable enough.
  2. high-performance: single-thread, async socket, event/st-thread driven.
  3. no edge server, origin server only.
  4. no vod streaming, live streaming only.
  5. no multiple processes, single process only.
  6. support vhost, support __defaultVhost__.
  7. support adobe rtmp live streaming.
  8. support apple hls(m3u8) live streaming.
  9. support reload config to enable changes.
  10. support cache last gop for flash player to fast startup.
  11. support listen at multiple ports.
  12. support long time(>4.6hours) publish/play.
  13. high performance, 1800 connections(500kbps), 900Mbps, CPU 90.2%, 41MB
  14. support forward publish stream to build active-standby cluster.
  15. support broadcast by forward the stream to other servers(origin/edge).
  16. support live stream transcoding by ffmpeg.
  17. support live stream forward(acopy/vcopy) by ffmpeg.
  18. support ffmpeg filters(logo/overlay/crop), x264 params.
  19. support audio transcode only, speex/mp3 to aac
  20. support http callback api hooks(for authentication and injection).
  21. [plan] support network based cli and json result.
  22. [plan] support bandwidth test api and flash client.
  23. [plan] support adobe flash refer/token/swf verification.
  24. [plan] support adobe amf3 codec.
  25. [plan] support dvr(record live to vod file)
  26. [plan] support FMS edge protocol
  27. [plan] support encryption: RTMPE/RTMPS, HLS DRM
  28. [plan] support RTMPT, http to traverse firewalls
  29. [plan] support file source, transcoding file to live stream

Performance

  1. 300 connections, 150Mbps, 500kbps, CPU 18.8%, 5956KB.
  2. 600 connections, 300Mbps, 500kbps, CPU 32.1%, 9808KB.
  3. 900 connections, 450Mbps, 500kbps, CPU 49.9%, 11MB.
  4. 1200 connections, 600Mbps, 500kbps, CPU 72.4%, 15MB.
  5. 1500 connections, 750Mbps, 500kbps, CPU 81.9%, 28MB.
  6. 1800 connections, 900Mbps, 500kbps, CPU 90.2%, 41MB.
----total-cpu-usage---- -dsk/total- ---net/lo-- ---paging-- ---system--
usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw 
 58   9  32   0   0   1|   0  4168k| 277M  277M|   0     0 |  29k   25k
 61   8  30   0   0   1|   0  1168k| 336M  336M|   0     0 |  29k   24k
 63   8  27   0   0   1|   0  2240k| 124M  124M|   0     0 |  32k   33k
 62   8  28   0   0   1|   0  1632k| 110M  110M|   0     0 |  31k   33k
 67   9  23   0   0   2|   0  1604k| 130M  130M|   0     0 |  33k   32k
 63   9  27   0   0   2|   0  1496k| 145M  145M|   0     0 |  32k   32k
 61   9  29   0   0   1|   0  1112k| 132M  132M|   0     0 |  32k   33k
 63   9  27   0   0   2|   0  1220k| 145M  145M|   0     0 |  32k   33k
 53   7  40   0   0   1|   0  1360k| 115M  115M|   0     0 |  24k   26k
 51   7  41   0   0   1|   0  1184k| 146M  146M|   0     0 |  24k   27k
 39   6  54   0   0   1|   0  1284k| 105M  105M|   0     0 |  22k   28k
 41   6  52   0   0   1|   0  1264k| 116M  116M|   0     0 |  25k   28k
 48   6  45   0   0   1|   0  1272k| 143M  143M|   0     0 |  27k   27k

Releases

  • 2013-12-08, release v0.8, support http hooks callback, update st-load. 19186 lines.
  • 2013-12-03, release v0.7, support live stream transcoding. 17605 lines.
  • 2013-11-29, release v0.6, support forward stream to origin/edge. 16094 lines.
  • 2013-11-26, release v0.5, support HLS(m3u8), fragment and window. 14449 lines.
  • 2013-11-10, release v0.4, support reload config, pause, longtime publish/play. 12500 lines.
  • 2013-11-04, release v0.3, support vhost, refer, gop cache, listen multiple ports. 11773 lines.
  • 2013-10-25, release v0.2, support rtmp flash publish, h264, time jitter correct. 10125 lines.
  • 2013-10-23, release v0.1, support rtmp FMLE/FFMPEG publish, vp6. 8287 lines.
  • 2013-10-17, created.

Compare

  • srs v0.8: 19186 lines. implements http hooks refer to nginx-rtmp.
  • srs v0.7: 17605 lines. implements transcoding(FFMPEG) feature refer to wowza.
  • srs v0.6: 16094 lines. important feature forward for CDN.
  • srs v0.5: 14449 lines. implements HLS feature refer to nginx-rtmp.
  • srs v0.4: 12500 lines. important feature reload for CDN.
  • srs v0.3: 11773 lines. implements vhost feature refer to FMS.
  • srs v0.2: 10125 lines. implements rtmp protocol stack refer to nginx-rtmp.
  • srs v0.1: 8287 lines. base on state-threads.
  • nginx-rtmp v1.0.4: 26786 lines
  • nginx v1.5.0: 139524 lines

History

  • v0.9, 2013-12-10, auto install depends tools/libs on centos/ubuntu.
  • v0.8, 2013-12-08, v0.8 released. 19186 lines.
  • v0.8, 2013-12-08, support http hooks: on_connect/close/publish/unpublish/play/stop.
  • v0.8, 2013-12-08, support multiple http hooks for a event.
  • v0.8, 2013-12-07, support http callback hooks, on_connect.
  • v0.8, 2013-12-07, support network based cli and json result, add CherryPy 3.2.4.
  • v0.8, 2013-12-07, update http/hls/rtmp load test tool st_load, use srs rtmp sdk.
  • v0.8, 2013-12-06, support max_connections, drop if exceed.
  • v0.8, 2013-12-05, support log_dir, write ffmpeg log to file.
  • v0.8, 2013-12-05, fix the forward/hls/encoder bug.
  • v0.7, 2013-12-03, v0.7 released. 17605 lines.
  • v0.7, 2013-12-01, support dead-loop detect for forwarder and transcoder.
  • v0.7, 2013-12-01, support all ffmpeg filters and params.
  • v0.7, 2013-11-30, support live stream transcoder by ffmpeg.
  • v0.7, 2013-11-30, support --with/without -ffmpeg, build ffmpeg-2.1.
  • v0.7, 2013-11-30, add ffmpeg-2.1, x264-core138, lame-3.99.5, libaacplus-2.0.2.
  • v0.6, 2013-11-29, v0.6 released. 16094 lines.
  • v0.6, 2013-11-29, add performance summary, 1800 clients, 900Mbps, CPU 90.2%, 41MB.
  • v0.6, 2013-11-29, support forward stream to other edge server.
  • v0.6, 2013-11-29, support forward stream to other origin server.
  • v0.6, 2013-11-28, fix memory leak bug, aac decode bug.
  • v0.6, 2013-11-27, support --with or --without -hls and -ssl options.
  • v0.6, 2013-11-27, support AAC 44100HZ sample rate for iphone, adjust the timestamp.
  • v0.5, 2013-11-26, v0.5 released. 14449 lines.
  • v0.5, 2013-11-24, support HLS(m3u8), fragment and window.
  • v0.5, 2013-11-24, support record to ts file for HLS.
  • v0.5, 2013-11-21, add ts_info tool to demux ts file.
  • v0.5, 2013-11-16, add rtmp players(OSMF/jwplayer5/jwplayer6).
  • v0.4, 2013-11-10, v0.4 released. 12500 lines.
  • v0.4, 2013-11-10, support config and reload the pithy print.
  • v0.4, 2013-11-09, support reload config(vhost and its detail).
  • v0.4, 2013-11-09, support reload config(listen and chunk_size) by SIGHUP(1).
  • v0.4, 2013-11-09, support longtime(>4.6hours) publish/play.
  • v0.4, 2013-11-09, support config the chunk_size.
  • v0.4, 2013-11-09, support pause for live stream.
  • v0.3, 2013-11-04, v0.3 released. 11773 lines.
  • v0.3, 2013-11-04, support refer/play-refer/publish-refer.
  • v0.3, 2013-11-04, support vhosts specified config.
  • v0.3, 2013-11-02, support listen multiple ports.
  • v0.3, 2013-11-02, support config file in nginx-conf style.
  • v0.3, 2013-10-29, support pithy print log message specified by stage.
  • v0.3, 2013-10-28, support librtmp without extended-timestamp in 0xCX chunk packet.
  • v0.3, 2013-10-27, support cache last gop for client fast startup.
  • v0.2, 2013-10-25, v0.2 released. 10125 lines.
  • v0.2, 2013-10-25, support flash publish.
  • v0.2, 2013-10-25, support h264/avc codec by rtmp complex handshake.
  • v0.2, 2013-10-24, support time jitter detect and correct algorithm
  • v0.2, 2013-10-24, support decode codec type to cache the h264/avc sequence header.
  • v0.1, 2013-10-23, v0.1 released. 8287 lines.
  • v0.1, 2013-10-23, support basic amf0 codec, simplify the api using c-style api.
  • v0.1, 2013-10-23, support shared ptr msg for zero memory copy.
  • v0.1, 2013-10-22, support vp6 codec with rtmp protocol specified simple handshake.
  • v0.1, 2013-10-20, support multiple flash client play live streaming.
  • v0.1, 2013-10-20, support FMLE/FFMPEG publish live streaming.
  • v0.1, 2013-10-18, support rtmp message2chunk protocol(send_message).
  • v0.1, 2013-10-17, support rtmp chunk2message protocol(recv_message).

beijing, 2013 Winlin