add pl emements

houxiao

2016-12-22 f04b2e05a32f810ebe66b7b3a15f37b532ce2dc0

 RtspFace/PipeLine.cpp

@@ -77,7 +77,7 @@
   uint8_t pmPlacement[sizeof(PipeMaterial)];

   if (pm == nullptr)

      pm = new (pmPlacement) PipeMaterial;

	


   if (elems.size() == 1)

   {

      elem_begin->gain(*pm);

@@ -85,24 +85,34 @@
   }

   else if (elems.size() == 2)

   {

      elem_begin->gain(*pm);

      elem_last->pay(*pm);

      if (elem_begin->gain(*pm))

         elem_last->pay(*pm);

      else

         return elem_begin;

      return elem_last;

   }

   else

   {

      elem_begin->gain(*pm);

      if (!elem_begin->gain(*pm))

         return elem_begin;

      

      bool lastRet = true;

      elem_vec_t::iterator iter = elems.begin();

      ++iter;

      elem_begin = *iter;

      while (elem_begin != elem_last)

      {

         if (lastRet && (lastRet = elem_begin->pay(*pm)) )

            lastRet = elem_begin->gain(*pm);

         else

            return elem_begin;

			
         ++iter;

         elem_begin = *iter;

         elem_begin->pay(*pm);

         elem_begin->gain(*pm);

      }

   

      elem_last->pay(*pm);

      if (lastRet)

         elem_last->pay(*pm);

      return elem_last;

   }