轉自:http://blog.csdn.net/lawishere/article/details/8182952
Live555 是一個爲跨平臺的C++開源項目,它實現了RTP/RTCP、RTSP、SIP等的支持。並且相對於其他的流媒體服務器是完全開源並且免費的。
廢話不多說,下面開始。
1、首先到它的主頁下載一個源碼包:
http://www.live555.com/liveMedia/public/
我下載的是latest的,具體什麼版本還真不清楚
2、放到linux目錄下解壓:
- root@kubuntu:/home/frank tar zxvf live555-latest.tar.gz
- root@kubuntu:/home/frank# cd live
- root@kubuntu:/home/frank/live#
3、首先嚐試在PC的Linux上編譯:
區別於傳統的源碼包,不是傳統的配置方式,而是通過genMakefiles配對目錄下的config.*文件生成Makefile
- root@kubuntu:/home/frank/live# ./genMakefiles linux
- root@kubuntu:/home/frank/live# make
編譯很順利,然後上網找一個*.264文件(常見的就是那個test.264在新聞報道)放在當前目錄下
執行mediaServer目錄下的live555MediaServer服務器原型
- root@kubuntu:/home/frank/live# ./mediaServer/live555MediaServer
- LIVE555 Media Server
- version 0.75 (LIVE555 Streaming Media library version 2012.11.08).
- Play streams from this server using the URL
- rtsp://192.168.1.41:8554/<filename>
- where <filename> is a file present in the current directory.
- Each file's type is inferred from its name suffix:
- ".264" => a H.264 Video Elementary Stream file
- ".aac" => an AAC Audio (ADTS format) file
- ".ac3" => an AC-3 Audio file
- ".amr" => an AMR Audio file
- ".dv" => a DV Video file
- ".m4e" => a MPEG-4 Video Elementary Stream file
- ".mkv" => a Matroska audio+video+(optional)subtitles 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
- ".webm" => a WebM audio(Vorbis)+video(VP8) file
- See http://www.live555.com/mediaServer/ for additional documentation.
- (We use port 8080 for optional RTSP-over-HTTP tunneling, or for HTTP live streaming (for indexed Transport Stream files only).)
通過VLC可以點播rtsp://192.168.1.41:8554/test.264視頻,
(注意:test.264所在的目錄要和live555MediaServer執行目錄相一致,若test.264放在live目錄下,則需要在live目錄下執行./mediaServer/live555MediaServer)
4、交叉編譯
編譯器arm-hismall-linux-gcc/arm-hismall-linux-g++
同理如果通過genMakefiles生成交叉編譯的Makefile,我們需要一個對應的config.*
因此我們創建一個config.hi3507,內容可以參考config.armlinux
- root@kubuntu:/home/frank/live# cat config.hi3507
- CROSS_COMPILE?= arm-hismall-linux-
- COMPILE_OPTS = $(INCLUDES) -I. -O2 -DSOCKLEN_T=socklen_t -DNO_SSTREAM=1 -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64
- C = c
- C_COMPILER = $(CROSS_COMPILE)gcc
- C_FLAGS = $(COMPILE_OPTS)
- CPP = cpp
- CPLUSPLUS_COMPILER = $(CROSS_COMPILE)g++
- CPLUSPLUS_FLAGS = $(COMPILE_OPTS) -Wall -DBSD=1
- OBJ = o
- LINK = $(CROSS_COMPILE)g++ -o
- LINK_OPTS =
- CONSOLE_LINK_OPTS = $(LINK_OPTS)
- LIBRARY_LINK = $(CROSS_COMPILE)ar cr
- LIBRARY_LINK_OPTS = $(LINK_OPTS)
- LIB_SUFFIX = a
- LIBS_FOR_CONSOLE_APPLICATION =
- LIBS_FOR_GUI_APPLICATION =
- EXE =
然後與在PC上編譯一樣,進行編譯。
- root@kubuntu:/home/frank/live# ./genMakefiles hi3507
- root@kubuntu:/home/frank/live# make clean;make
這裏要記得先make clean,否則因爲之前在PC上編譯的目標文件沒清楚會導致鏈接失敗。
編譯時會產生一個錯誤
- In file included from MPEG4GenericRTPSink.cpp:22:
- include/Locale.hh:47:123: xlocale.h: No such file or directory
- In file included from MPEG4GenericRTPSink.cpp:22:
- include/Locale.hh:62: error: `locale_t' does not name a type
- make[1]: *** [MPEG4GenericRTPSink.o] Error 1
- make[1]: Leaving directory `/home/frank/live/liveMedia'
- make: *** [all] Error 2
這個是由於海思使用的是uClinux,並沒有xlocale.h這個頭文件,
而live555內部的一個locale模塊調用了(見liveMeida/locale.hh),因此通過編譯選項把他去掉。
修改config.hi3507,在編譯選項上加入-DLOCALE_NOT_USED把此模塊去掉。
- CROSS_COMPILE?= arm-hismall-linux-
- COMPILE_OPTS = $(INCLUDES) -I. -O2 -DSOCKLEN_T=socklen_t -DNO_SSTREAM=1 -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64
- C = c
- C_COMPILER = $(CROSS_COMPILE)gcc
- C_FLAGS = $(COMPILE_OPTS)
- CPP = cpp
- CPLUSPLUS_COMPILER = $(CROSS_COMPILE)g++
- CPLUSPLUS_FLAGS = $(COMPILE_OPTS) -Wall -DBSD=1 -DLOCALE_NOT_USED
- OBJ = o
- LINK = $(CROSS_COMPILE)g++ -o
- LINK_OPTS =
- CONSOLE_LINK_OPTS = $(LINK_OPTS)
- LIBRARY_LINK = $(CROSS_COMPILE)ar cr
- LIBRARY_LINK_OPTS = $(LINK_OPTS)
- LIB_SUFFIX = a
- LIBS_FOR_CONSOLE_APPLICATION =
- LIBS_FOR_GUI_APPLICATION =
- EXE =
再次生成Makefile並編譯
- root@kubuntu:/home/frank/live# ./genMakefiles hi3507
- root@kubuntu:/home/frank/live# make
編譯成功!
再按照上述方法把程序放到hi3507上運行測試