new getFaceImages api

houxiao

2017-04-12 a338cd531c460c0b3e829217f1f91f0156bcc6a7

 VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp

@@ -171,7 +171,7 @@
    return buffMaxSize > 0;

}



bool FaceCache::getFaceListImage(int* buffIdx, size_t& count, uint8_t* buffImg, size_t& buffImgMaxSize)

bool FaceCache::getFaceListImage(std::vector<NativeImgIdx>& imgIdxes, uint8_t* buffImg, size_t& buffImgMaxSize)

{

    FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx);



@@ -181,31 +181,36 @@
        if (! ctx.convertYUV420ToRGB())

            return false;

    }

	
   count = 0;

   uint8_t* pBuff = buffImg;

   size_t totalSize = 0;



    imgIdxes.clear();

   size_t offset = 0;



    cv::Mat rgbMat(cv::Size(ctx.width, ctx.height), CV_8UC3, ctx.frameRGB);

    for (st_ff_vect_t::const_iterator ffiter = ctx.faceFeatures.begin(); ffiter != ctx.faceFeatures.end(); ++ffiter)

    {

        const FaceRect& faceRect(ffiter->rect);

        cv::Mat roiMat(rgbMat, cv::Rect(faceRect.leftTop.x, faceRect.leftTop.y, faceRect.rightBottom.x - faceRect.leftTop.x, faceRect.rightBottom.y - faceRect.leftTop.y));

		


        NativeImgIdx imgidx;

        imgidx.offset = offset;

        imgidx.size = roiMat.total() * roiMat.elemSize();

        imgidx.type = MB_Frame::MBFT_RGB;

        imgidx.width = roiMat.cols;

        imgidx.height = roiMat.rows;



        const size_t newSize = imgidx.offset + imgidx.size;



      //isContinuous

      size_t s = roiMat.total() * roiMat.elemSize();

      if (totalSize + s <= buffImgMaxSize)

      {

         memcpy(pBuff, roiMat.ptr(), s);

         *buffIdx = int(totalSize);

			
         pBuff += s;

         totalSize += s;

         count++;

         buffIdx++;

      }

      if (newSize > buffImgMaxSize)

        {

            LOG_ERROR << "FaceCache::getFaceListImage buffImgMaxSize truncated" << LOG_ENDL;

            return false;

        }



        memcpy(buffImg + imgidx.offset, roiMat.ptr(), imgidx.size);

        imgIdxes.push_back(imgidx);

        offset = newSize;

    }



    buffImgMaxSize = totalSize;

    return (count != 0);

    return true;

}