live555的使用（转载）
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Live555 是一个为流媒体提供解决方案的跨平台的C++开源项目，它实现了对标准流媒体传输协议如RTP/RTCP、RTSP、SIP等的支持。Live555实现 了对多种音视频编码格式的音视频数据的流化、接收和处理等支持，包括MPEG、H.263+、DV、JPEG视频和多种音频编码。同时由于良好的设 计，Live555非常容易扩展对其他格式的支持。目前，Live555已经被用于多款播放器的流媒体播放功能的实现，如VLC(VideoLan)、 MPlayer。下面介绍Live555的基本使用方法。
编译
编译方法：
./genMakefiles <os-platform>
如在Linux 下解压Live555后进入目录：
#./genMakefiles linux
#Make
使用
1）进入mediaServer目录启动服务器：
[[email protected] mediaServer]# cd mediaServer]
[[email protected] mediaServer]# ./live555MediaServer
LIVE555 Media Server
version 0.5 (LIVE555 Streaming Media library version 2010.07.29).
Play streams from this server using the URL
rtsp://192.168.1.120/<filename>
where <filename> is a file present in the current directory.
Each file‘s type is inferred from its name suffix:
".aac" => an AAC Audio (ADTS format) file
".amr" => an AMR Audio file
".m4e" => a MPEG-4 Video Elementary Stream file
".dv" => a DV Video file
".mp3" => a MPEG-1 or 2 Audio file
".mpg" => a MPEG-1 or 2 Program Stream (audio+video) file
".ts" => a MPEG Transport Stream file
(a ".tsx" index file - if present - provides server ‘trick play‘ support)
".wav" => a WAV Audio file
See http://www.live555.com/mediaServer/ for additional documentation.
2）进入testProgs使用客户端工具播放mp3
[[email protected] testProgs]# ./openRTSP rtsp://192.168.1.120/1.mp3
Opening connection to 192.168.1.120, port 554...
...remote connection opened
Sending request: OPTIONS rtsp://192.168.1.120/1.mp3 RTSP/1.0
CSeq: 2
User-Agent: ./openRTSP (LIVE555 Streaming Media v2010.07.29)
Received 152 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 2
Date: Sun, Aug 01 2010 05:17:32 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, GET_PARAMETER, SET_PARAMETER
Sending request: DESCRIBE rtsp://192.168.1.120/1.mp3 RTSP/1.0
CSeq: 3
User-Agent: ./openRTSP (LIVE555 Streaming Media v2010.07.29)
Accept: application/sdp
Received 547 new bytes of response data.
Received a complete DESCRIBE response:
RTSP/1.0 200 OK
CSeq: 3
Date: Sun, Aug 01 2010 05:17:32 GMT
Content-Base: rtsp://192.168.1.120/1.mp3/
Content-Type: application/sdp
Content-Length: 387
v=0
o=- 1280639653739259 1 IN IP4 192.168.1.120
s=MPEG-1 or 2 Audio, streamed by the LIVE555 Media Server
i=1.mp3
t=0 0
a=tool:LIVE555 Streaming Media v2010.07.29
a=type:broadcast
a=control:*
a=range:npt=0-219.555
a=x-qt-text-nam:MPEG-1 or 2 Audio, streamed by the LIVE555 Media Server
a=x-qt-text-inf:1.mp3
m=audio 0 RTP/AVP 14
c=IN IP4 0.0.0.0
b=AS:128
a=control:track1
Opened URL "rtsp://192.168.1.120/1.mp3", returning a SDP description:
v=0
o=- 1280639653739259 1 IN IP4 192.168.1.120
s=MPEG-1 or 2 Audio, streamed by the LIVE555 Media Server
i=1.mp3
t=0 0
a=tool:LIVE555 Streaming Media v2010.07.29
a=type:broadcast
a=control:*
a=range:npt=0-219.555
a=x-qt-text-nam:MPEG-1 or 2 Audio, streamed by the LIVE555 Media Server
a=x-qt-text-inf:1.mp3
m=audio 0 RTP/AVP 14
c=IN IP4 0.0.0.0
b=AS:128
a=control:track1
Created receiver for "audio/MPA" subsession (client ports 32772-32773)
Sending request: SETUP rtsp://192.168.1.120/1.mp3/track1 RTSP/1.0
CSeq: 4
User-Agent: ./openRTSP (LIVE555 Streaming Media v2010.07.29)
Transport: RTP/AVP;unicast;client_port=32772-32773
Received 205 new bytes of response data.
Received a complete SETUP response:
RTSP/1.0 200 OK
CSeq: 4
Date: Sun, Aug 01 2010 05:17:32 GMT
Transport: RTP/AVP;unicast;destination=192.168.1.120;source=192.168.1.120;client_port=32772-32773;server_port=6970-6971
Session: 624DAEF4
Setup "audio/MPA" subsession (client ports 32772-32773)
Created output file: "audio-MPA-1"
Sending request: PLAY rtsp://192.168.1.120/1.mp3/ RTSP/1.0
CSeq: 5
User-Agent: ./openRTSP (LIVE555 Streaming Media v2010.07.29)
Session: 624DAEF4
Range: npt=0.000-219.555
Received 188 new bytes of response data.
Received a complete PLAY response:
RTSP/1.0 200 OK
CSeq: 5
Date: Sun, Aug 01 2010 05:17:33 GMT
Range: npt=0.000-219.555
Session: 624DAEF4
RTP-Info: url=rtsp://192.168.1.120/1.mp3/track1;seq=38835;rtptime=1769974566
Started playing session
Receiving streamed data (for up to 224.555000 seconds)...
Sending request: TEARDOWN rtsp://192.168.1.120/1.mp3/ RTSP/1.0
CSeq: 6
User-Agent: ./openRTSP (LIVE555 Streaming Media v2010.07.29)
Session: 624DAEF4
Received 65 new bytes of response data.
Received a complete TEARDOWN response:
RTSP/1.0 200 OK
CSeq: 6
Date: Sun, Aug 01 2010 05:21:17 GMT
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