From a338cd531c460c0b3e829217f1f91f0156bcc6a7 Mon Sep 17 00:00:00 2001 From: houxiao <houxiao@454eff88-639b-444f-9e54-f578c98de674> Date: 星期三, 12 四月 2017 13:20:30 +0800 Subject: [PATCH] new getFaceImages api --- VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp | 140 +++++++++++++++++++++++++++++++++++++++------- 1 files changed, 119 insertions(+), 21 deletions(-) diff --git a/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp b/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp index 0b8e658..3b1797f 100644 --- a/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp +++ b/VisitFace/RtspNativeCodec/app/src/main/cpp/FaceCache.cpp @@ -5,6 +5,16 @@ #include <logger.h> #include <Logger/src/logger.hpp> +#include <opencv/cv.h> +#include <opencv/cxcore.h> +#include <opencv/highgui.h> + +#include <vector> + +#include "PbFaceList.pb.h" + +#include <libyuv.h> + struct FcPmBreackerContext { uint8_t frameYUV[1920*1080*4]; @@ -12,25 +22,47 @@ uint8_t frameRGB[1920*1080*4]; size_t frameRGBSize; + + size_t width; + size_t height; st_ff_vect_t faceFeatures; bool dataAvailable; - FcPmBreackerContext() : frameYUV(), frameYUVSize(0), frameRGB(), frameRGBSize(0), faceFeatures(), dataAvailable(false) + FcPmBreackerContext() : + frameYUV(), frameYUVSize(0), frameRGB(), frameRGBSize(0), + faceFeatures(), width(0), height(0), dataAvailable(false) { } void reset() { frameYUVSize = 0; - frameRGBSize = 0; + frameRGBSize = 0; + width = 0; + height = 0; dataAvailable = false; faceFeatures.clear(); } 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; } }; @@ -43,7 +75,7 @@ ctx->faceFeatures = faceFeatures; ctx->dataAvailable &= true; - return false; + return true; } bool fc_pm_breaker_frame(const PipeMaterial* pm, void* args) @@ -63,13 +95,16 @@ return false; } - ctx->frameYUVSize = lastFrame->buffSize; + ctx->frameYUVSize = lastFrame->buffSize; + ctx->width = lastFrame->width; + ctx->height = lastFrame->height; memcpy(ctx->frameYUV, lastFrame->buffer, ctx->frameYUVSize); ctx->dataAvailable &= true; - return false; + return true; } +#ifdef USE_ST_SDK FaceCache::FaceCache() : _ctx(new FcPmBreackerContext) { } @@ -78,10 +113,14 @@ { delete (FcPmBreackerContext*)_ctx; } +#endif // returns count of face int FaceCache::cachePm(const PipeMaterial& pm) { + if (_ctx == nullptr) + _ctx = new FcPmBreackerContext; + FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx); ctx.reset(); ctx.dataAvailable = true; @@ -94,25 +133,84 @@ return 0; } -bool FaceCache::getFaceListPb(uint8_t* buffer, size_t& buffSize) +bool FaceCache::getFaceListPb(uint8_t* buffer, size_t& buffMaxSize) { - return false; + FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx); + if (!ctx.dataAvailable) + return false; + + PbFaceList pbFaceList; + pbFaceList.set_magic(pbFaceList.magic()); + pbFaceList.set_image_count(ctx.faceFeatures.size()); + pbFaceList.set_src_width(ctx.width); + pbFaceList.set_src_height(ctx.height); + + cv::Mat yMat(cv::Size(ctx.width, ctx.height), CV_8UC1, ctx.frameYUV); + + for (int i = 0; i < ctx.faceFeatures.size(); i++) + { + const FaceRect& faceRect(ctx.faceFeatures[i].rect); + cv::Mat roiMat(yMat, cv::Rect(faceRect.leftTop.x, faceRect.leftTop.y, faceRect.rightBottom.x - faceRect.leftTop.x, faceRect.rightBottom.y - faceRect.leftTop.y)); + + PbFaceList_FaceListImage pbFaceListImage; + pbFaceListImage.set_idx(i); + pbFaceListImage.set_size(roiMat.elemSize()); + pbFaceListImage.set_type(PbFaceList_FaceListImage_ImageType_IT_Y); + pbFaceListImage.set_width(roiMat.cols); + pbFaceListImage.set_height(roiMat.rows); + pbFaceListImage.set_top_left_x(faceRect.leftTop.x); + pbFaceListImage.set_top_left_y(faceRect.leftTop.y); + + pbFaceListImage.add_img(roiMat.ptr(), roiMat.total() * roiMat.elemSize()); + } + + size_t s = pbFaceList.ByteSize(); + buffMaxSize = std::min(s, buffMaxSize); + pbFaceList.SerializeToArray(buffer, buffMaxSize); + + return buffMaxSize > 0; } -bool FaceCache::getFaceListImage(int* buffIdx, size_t& count, uint8_t* buffImg, size_t& buffImgSize) +bool FaceCache::getFaceListImage(std::vector<NativeImgIdx>& imgIdxes, uint8_t* buffImg, size_t& buffImgMaxSize) { - return false; -} + FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx); -bool FaceCache::extractFace() -{ - FcPmBreackerContext& ctx(*(FcPmBreackerContext*)_ctx); - - if (ctx.frameRGBSize == 0) - { - if (! ctx.convertYUV420ToRGB()) - return false; - } - - + if (ctx.frameRGBSize == 0) + { + //#todo should optimize not convert the whole image + if (! ctx.convertYUV420ToRGB()) + return false; + } + + 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 + 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 true; } -- Gitblit v1.8.0