Re: [Ccrtp-devel] I want to send a file(mu-law) to a RTP receiver.

[Federico Montesino Pouzols]

        I would suggest you to have a look at audiotx.cpp and
audiorx.cpp, which do something very similar to this.

On Sat, Dec 21, 2002 at 04:39:02PM +0800, karl wrote:
> Hello,
> 
> I want to send a mu-law file to a RTP receiver.
> Now I repaired the rtpsend.cpp.
> The follow is a apart of Sender function in class Sender:
> 
>   startRunning();
>   uint16 tstampInc = getCurrentRTPClockRate()/packetsPerSecond;
>   uint32 period = 1000/packetsPerSecond;
>   TimerPort::setTimer(period);
> 
>   //the following is insert by Karl
>   ifstream infile;
>   infile.open((char *)data,ios::in);
>   if(!infile)
>   {
>    cerr<<"File open error!"<<endl;
>    exit();
>   }
>   infile.seekg(0,ios::end);
>   long fileL=infile.tellg();
>   infile.seekg(0,ios::beg); 
>   int lcount=fileL/240;  //240 is 8*30 8byte/ms
>   int lastL=fileL%240;
>   unsigned char buffer[240];
>   int readL;
>   for ( int i = 1; i <= lcount ; i++ ) {
>    readL=(i!=lcount)?240:lastL; 
>    infile.read(buffer,readL);
>    putData(timestamp + i*tstampInc,buffer,readL);
> //   putData(timestamp + i*240,buffer,readL);
>    cout<<"."<<flush;
>    Thread::sleep(TimerPort::getTimer());
>    TimerPort::incTimer(period);
>   }
>   infile.close(); 
> 
> During it's runing , the receiver can't received the voice.
> I don't know what is the problem .
> Would you like to help me?
> Thanks!
> 
> Karl
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