grabber.cxx

mgcp协议源代码。支持多种编码：g711

/*grabber.cxx      Derek J Smithies ([e-mail])
 *                 Indranet Technologies ltd ([e-mail])
 *
 */

#include "grabber.h"

void Grabber::Start(){};

void Grabber::Stop(){};

Grabber::Grabber()
{
}

Grabber::~Grabber()
{
}


void Grabber::Grab(VideoFrame *vf)
{
      int wi,hi,colour_index;   
      u_int i;

      grab_count++;
      colour_index = 3*time(NULL);//time in seconds since last epoch.
      // Provides a difference if run on two voxilla sessions.
      for(hi=0;hi<height;hi++) 
         for(wi=0;wi<width;wi++)
           frame[(hi*width)+wi]= (u_char) ( ((((grab_count+hi)/20)+colour_index)%220)+15);

      for(i=0;i<(framesize>>1);i++)
         frame[i+framesize]=colour_index;

      vf->frameptr= frame;
      vf->crvec   = 0;
};


void Grabber::SetSize(int _width,int _height)
{
      width = _width;
      height= _height;
      framesize= width*height;
};


#if P_LINUX
#include "grabber-linux.cxx"
#elif _WIN32
#include "grabber-windows.cxx"
#elif P_FREEBSD
#include "grabber-bsd.cxx"
#elif P_OPENBSD
#include "grabber-bsd.cxx"
#else
#include "grabber-generic.cxx"
#endif