From 81b5612ff5fa95f7af8fcb9c10d92495de79150e Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期四, 13 四月 2017 10:08:52 +0800
Subject: [PATCH] 

---
 VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp |   76 ++++++++++++++++++++++++++-----------
 1 files changed, 53 insertions(+), 23 deletions(-)

diff --git a/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp b/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp
index 160ed07..3b1797f 100644
--- a/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp
+++ b/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp
@@ -13,6 +13,8 @@
 
 #include "PbFaceList.pb.h"
 
+#include <libyuv.h>
+
 struct FcPmBreackerContext
 {
 	uint8_t frameYUV[1920*1080*4];
@@ -46,6 +48,21 @@
 	
 	bool convertYUV420ToRGB()
 	{
+#define SUBSAMPLE(v, a) ((((v) + (a) - 1)) / (a))
+
+        int src_height = height;
+        int src_width = width;
+        const uint8* src_y = (const uint8*)(frameYUV);
+        const uint8* src_u = (const uint8*)(src_y + (src_height * src_width));
+        const uint8* src_v = (const uint8*)(src_u + (src_height * src_width / 4));
+
+        libyuv::I420ToRGB24(src_y, src_width,
+                           src_u, SUBSAMPLE(src_width, 2),
+                           src_v, SUBSAMPLE(src_width, 2),
+                           frameRGB, 3 * src_width,
+                           src_width, src_height);
+        frameRGBSize = src_height * src_width * 3;
+        return true;
 	}
 };
 
@@ -58,7 +75,7 @@
 	ctx->faceFeatures = faceFeatures;
 	
 	ctx->dataAvailable &= true;
-	return false;
+	return true;
 }
 
 bool fc_pm_breaker_frame(const PipeMaterial* pm, void* args)
@@ -84,7 +101,7 @@
 	memcpy(ctx->frameYUV, lastFrame->buffer, ctx->frameYUVSize);
 	
 	ctx->dataAvailable &= true;
-	return false;
+	return true;
 }
 
 #ifdef USE_ST_SDK
@@ -119,9 +136,12 @@
 bool FaceCache::getFaceListPb(uint8_t* buffer, size_t& buffMaxSize)
 {
     FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx);
+    if (!ctx.dataAvailable)
+        return false;
 	
 	PbFaceList pbFaceList;
-	pbFaceList.set_image_count(ctx.faceFeatures.size());
+    pbFaceList.set_magic(pbFaceList.magic());
+    pbFaceList.set_image_count(ctx.faceFeatures.size());
 	pbFaceList.set_src_width(ctx.width);
 	pbFaceList.set_src_height(ctx.height);
 	
@@ -141,46 +161,56 @@
 		pbFaceListImage.set_top_left_x(faceRect.leftTop.x);
 		pbFaceListImage.set_top_left_y(faceRect.leftTop.y);
 		
-		pbFaceListImage.set_img(0, roiMat.ptr(), roiMat.elemSize());
+		pbFaceListImage.add_img(roiMat.ptr(), roiMat.total() * roiMat.elemSize());
     }
 
+	size_t s = pbFaceList.ByteSize();
+	buffMaxSize = std::min(s, buffMaxSize);
+	pbFaceList.SerializeToArray(buffer, buffMaxSize);
 
-    return false;
+    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);
 
     if (ctx.frameRGBSize == 0)
     {
+        //#todo should optimize not convert the whole image
         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.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;
     }
 
-    return (count != 0);
+    return true;
 }

--
Gitblit v1.8.0