JRTPLib移植到OMAP3530平台

JRTPLIB库是一个RTP协议的开源库,使用这套库文件,我们可以创建端到端的RTP连接,实现数据的实时传输。
JRTPLIB是使用标准c++编写的,因此,可以方便得移植到Montavista操作系统中,本文简要地描述了移植过程及一些注意事项。

下载

你可以在这里下载JRtplib ,同时,需要下载JThread 。 

解压

我解压到embedded目录下:如红色字体。同时新建share 文件夹,以保存生成的头文件和库文件

acer@ubuntu:~/rtp$ cd embedded/
acer@ubuntu:~/rtp/embedded$ ls
aclocal.m4     Doxyfile           jrtplib_wce5.vcproj  missing
ChangeLog      examples           jrtplib_wce.sln      mkinstalldirs
config.guess   install-sh         jrtplib_wce.vcproj   pkgconfig
config.log     jrtplib-3.7.1      jthread-1.2.1         README.TXT
config.status  jrtplib-3.7.1.rar  libtool              share
config.sub     jrtplib.dsp        LICENSE.MIT          src
configure      jrtplib.dsw        ltmain.sh            TODO
configure.in   jrtplib.sln        Makefile             tools
depcomp        jrtplib.vcproj     Makefile.am
doc            jrtplib_wce5.sln   Makefile.in

安装jthread

 

进入到jthread-1.2.1文件夹,配置编译环境。编译器的位置可根据实际情况来定

./configure --prefix=/home/acer/rtp/embedded/share --host=arm-none-linux-gnueabi CC=/usr/local/arm/arm-2009q1/bin/arm-none-linux-gnueabi-gcc CXX=/usr/local/arm/arm-2009q1/bin/arm-none-linux-gnueabi-g++

回车

将生成一个Makefile文件。

执行

make

make install

jthread安装完毕。

安装JRtpLib

和安装JThread类似,先执行配置文件:

./configure --prefix=/home/acer/rtp/embedded/share --host=arm-none-linux-gnueabi CC=/usr/local/arm/arm-2009q1/bin/arm-none-linux-gnueabi-gcc CXX=/usr/local/arm/arm-2009q1/bin/arm-none-linux-gnueabi-g++

编译:

make

安装到/prj/share目录:

make install

完成后,可以在share文件夹内看到include 和lib两个文件夹

把里面的头文件和库文件cp到 开发板文件系统的usr/local/include   and usr/lib 下

测试

在JRtpLib目录下有几个例子程序,我们可以用来测试JRtpLib。进入/jrtplib-3.7.1/examples目录:

复制example1到开发板的home/root下

 

./example1

即可看到运行结果:

ema@beagleboard:/home$ ls                                                      
ema   root                                                                     
ema@beagleboard:/home$ cd root/                                                
ema@beagleboard:/home/root$ ls                                                 
example1           mjpg-streamer-r63                                           
ema@beagleboard:/home/root$ ./example1                                         
Enter local portbase:                                                          
8000                                                                           
                                                                               
Enter the destination IP address                                               
127.0.0.1                                                                      
Enter the destination port                                                     
8000                                                                           
                                                                               
Number of packets you wish to be sent:                                         
12                                                                             
                                                                               
Sending packet 1/12                                                            
                                                                               
Sending packet 2/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 3/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 4/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 5/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 6/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 7/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 8/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 9/12                                                            
Got packet !                                                                   
                                                                               
Sending packet 10/12                                                           
Got packet !                                                                   
                                                                               
Sending packet 11/12                                                           
Got packet !                                                                   
                                                                               
Sending packet 12/12                                                           
Got packet !


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