grabber-generic.cxx

mgcp协议源代码。支持多种编码：g711

/*grabber-windows.cxx      Derek J Smithies ([e-mail])
 *                         Indranet Technologies ltd ([e-mail])
 *
 *  Derek wrote the initial skeleton code of a windows grabber.
 */

#include "grabber-generic.h"

VideoGrabber::VideoGrabber(int, BOOL)
{
	 mem= new char[0x151000];
         frame= (u_char *)mem;
}

VideoGrabber::~VideoGrabber()
{
  delete mem;

  if(operational) 
    cerr<< "Close operational video grabber"<<endl;
  else
    cerr<< "Close non operational video grabber"<<endl;
}


void VideoGrabber::Start()
{

}

void VideoGrabber::Stop()
{
}

void VideoGrabber::Grab(VideoFrame *vf)
{
  // Should call Grabber::Grab only if the grab of data
  // fails. However, in the skeleton code, it is all we have.  
  Grabber::Grab(vf);

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

void VideoGrabber::SetSize(int _width,int _height)
{
  if((width!=_width)||(height!=_height)) {
      Grabber::SetSize(_width,_height);
  }
}

void VideoGrabber::Format()
{
}