From 91bcfe2c50c8732c1ccf792ca1f8964966808352 Mon Sep 17 00:00:00 2001
From: houxiao <houxiao@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期二, 10 一月 2017 17:25:40 +0800
Subject: [PATCH] add face daemon

---
 RtspFace/PL_SensetimeFaceDetect.cpp |  287 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 287 insertions(+), 0 deletions(-)

diff --git a/RtspFace/PL_SensetimeFaceDetect.cpp b/RtspFace/PL_SensetimeFaceDetect.cpp
index cc04c79..c79a5f7 100644
--- a/RtspFace/PL_SensetimeFaceDetect.cpp
+++ b/RtspFace/PL_SensetimeFaceDetect.cpp
@@ -1 +1,288 @@
 #include "PL_SensetimeFaceDetect.h"
+#include "MaterialBuffer.h"
+#include "logger.h"
+
+#include <opencv2/opencv.hpp>
+#include <cv_face.h>
+
+struct PL_SensetimeFaceDetect_Internal
+{
+	//uint8_t buffer[1920*1080*4];
+	//size_t buffSize;
+	//size_t buffSizeMax;
+	MB_Frame lastFrame;
+	PipeMaterial pmList[2];
+	PL_SensetimeFaceDetectConfig config;
+	st_ff_vect_t faceFeatures;
+
+	bool payError;
+	
+	cv_handle_t handle_track;
+	
+	PL_SensetimeFaceDetect_Internal() : 
+		//buffSize(0), buffSizeMax(sizeof(buffer)), 
+		lastFrame(), pmList(), config(), faceFeatures(), payError(true), 
+		handle_track(nullptr)
+	{
+	}
+	
+	~PL_SensetimeFaceDetect_Internal()
+	{
+	}
+	
+	void reset()
+	{
+		//buffSize = 0;
+		payError = true;
+		
+		MB_Frame _lastFrame;
+		lastFrame = _lastFrame;
+		
+		PipeMaterial _pm;
+		pmList[0] = _pm;
+		pmList[1] = _pm;
+		
+		PL_SensetimeFaceDetectConfig _config;
+		config = _config;
+		
+		handle_track = nullptr;
+	}
+};
+
+PipeLineElem* create_PL_SensetimeFaceDetect()
+{
+	return new PL_SensetimeFaceDetect;
+}
+
+PL_SensetimeFaceDetect::PL_SensetimeFaceDetect() : internal(new PL_SensetimeFaceDetect_Internal)
+{
+}
+
+PL_SensetimeFaceDetect::~PL_SensetimeFaceDetect()
+{
+	delete (PL_SensetimeFaceDetect_Internal*)internal;
+	internal= nullptr;
+}
+
+bool PL_SensetimeFaceDetect::init(void* args)
+{
+	PL_SensetimeFaceDetect_Internal* in = (PL_SensetimeFaceDetect_Internal*)internal;
+	in->reset();
+	
+	PL_SensetimeFaceDetectConfig* config = (PL_SensetimeFaceDetectConfig*)args;
+	in->config = *config;
+	if (in->config.point_size == 21)
+		in->config.point_size_config = CV_DETECT_ENABLE_ALIGN_21;
+	else if (in->config.point_size == 106)
+		in->config.point_size_config = CV_DETECT_ENABLE_ALIGN_106;
+	else
+	{
+		LOG_ERROR << "alignment point size must be 21 or 106";
+		return false;
+	}
+
+	// init handle
+	cv_result_t cv_result = cv_face_create_tracker(&(in->handle_track), nullptr, 
+								in->config.point_size_config | CV_FACE_TRACKING_TWO_THREAD);
+	if (cv_result != CV_OK)
+	{
+		LOG_ERROR << "cv_face_create_tracker failed, error code" << cv_result;
+		return false;
+	}
+
+	int val = 0;
+	cv_result = cv_face_track_set_detect_face_cnt_limit(in->handle_track, in->config.detect_face_cnt_limit, &val);
+	if (cv_result != CV_OK)
+	{
+		LOG_ERROR << "cv_face_track_set_detect_face_cnt_limit failed, error : " << cv_result;
+		return false;
+	}
+	else
+		LOG_ERROR << "detect face count limit : " << val;
+	
+	return true;
+}
+
+void PL_SensetimeFaceDetect::finit()
+{
+	PL_SensetimeFaceDetect_Internal* in = (PL_SensetimeFaceDetect_Internal*)internal;
+	
+	// destroy track handle
+	cv_face_destroy_tracker(in->handle_track);
+	in->handle_track = nullptr;
+}
+
+int doFaceTrack(PL_SensetimeFaceDetect_Internal* in, 
+				uint8_t* buffer, size_t width, size_t height, size_t stride, cv_pixel_format cvPixFmt)
+{
+	//resize(bgr_frame, bgr_frame, Size(frame_width, frame_height), 0, 0, INTER_LINEAR);
+
+	int face_count = 0;
+	cv_result_t cv_result = CV_OK;
+	cv_face_t* p_face = nullptr;
+	
+	// realtime track
+	cv_result = cv_face_track(in->handle_track, buffer, cvPixFmt,
+							width, height, stride,
+							CV_FACE_UP, &p_face, &face_count);
+	if (cv_result != CV_OK)
+	{
+		LOG_ERROR << "cv_face_track failed, error : " << cv_result;
+		cv_face_release_tracker_result(p_face, face_count);
+		return -1;
+	}
+
+	// draw the video
+	//cv::Mat yuvMat(cv::Size(width,height), CV_8UC3, buffer);
+	cv::Mat yMat(cv::Size(width,height), CV_8UC1, buffer);
+	for (int i = 0; i < face_count; i++)
+	{
+		SensetimeFaceFeature faceFeature;
+		faceFeature.rect.leftTop.x = p_face[i].rect.left;
+		faceFeature.rect.leftTop.y = p_face[i].rect.top;
+		faceFeature.rect.rightBottom.x = p_face[i].rect.right;
+		faceFeature.rect.rightBottom.y = p_face[i].rect.bottom;
+		faceFeature.id = p_face[i].ID;
+		faceFeature.yaw = p_face[i].yaw;
+		faceFeature.pitch = p_face[i].pitch;
+		faceFeature.roll = p_face[i].roll;
+		faceFeature.eyeDistance = p_face[i].eye_dist;
+		
+		LOGP(DEBUG, "face: %d-----[%d, %d, %d, %d]-----id: %d", i,
+			p_face[i].rect.left, p_face[i].rect.top,
+			p_face[i].rect.right, p_face[i].rect.bottom, p_face[i].ID);
+			
+		LOGP(DEBUG, "face pose: [yaw: %.2f, pitch: %.2f, roll: %.2f, eye distance: %.2f]",
+			p_face[i].yaw,
+			p_face[i].pitch, p_face[i].roll, p_face[i].eye_dist);
+
+		if (in->config.draw_face_rect)
+		{
+			cv::Scalar scalar_color = CV_RGB(p_face[i].ID * 53 % 256,
+				p_face[i].ID * 93 % 256,
+				p_face[i].ID * 143 % 256);
+			
+			//cv::rectangle(yMat, cv::Point2f(0, 0), cv::Point2f(50, 50), scalar_color, 2);
+			//cv::rectangle(yMat, cv::Point2f(500, 500), cv::Point2f(550, 550), scalar_color, 2);
+			
+			cv::rectangle(yMat, cv::Point2f(static_cast<float>(p_face[i].rect.left),
+				static_cast<float>(p_face[i].rect.top)),
+				cv::Point2f(static_cast<float>(p_face[i].rect.right),
+				static_cast<float>(p_face[i].rect.bottom)), scalar_color, 2);
+		}
+
+
+		for (int j = 0; j < p_face[i].points_count; j++)
+		{
+			FacePoint featurePoint;
+			featurePoint.x = p_face[i].points_array[j].x;
+			featurePoint.y = p_face[i].points_array[j].y;
+			faceFeature.featurePoints.push_back(featurePoint);
+			
+			if (in->config.draw_face_feature_point)
+			{
+				cv::circle(yMat, cv::Point2f(p_face[i].points_array[j].x,
+					p_face[i].points_array[j].y), 1, cv::Scalar(255, 255, 255));
+			}
+		}
+		
+		if (in->config.generate_face_feature)
+			in->faceFeatures.push_back(faceFeature);
+	}
+
+	//if (face_count > 0)
+	//{
+	//	static size_t f=0;
+	//	char fname[50];
+	//	sprintf(fname, "face-%u.yuv420", ++f);
+	//	FILE * pFile = fopen (fname,"wb");
+	//	fwrite (yuvMat.data , sizeof(char), 1920*1080*1.5, pFile);
+	//	printf("write face file %s\n", fname);
+	//	fclose(pFile);
+	//}
+
+	// release the memory of face
+	cv_face_release_tracker_result(p_face, face_count);
+
+	return face_count;
+}
+
+bool PL_SensetimeFaceDetect::pay(const PipeMaterial& pm)
+{
+	PL_SensetimeFaceDetect_Internal* in = (PL_SensetimeFaceDetect_Internal*)internal;
+
+	if (pm.type != PipeMaterial::PMT_FRAME)
+	{
+		LOG_ERROR << "Only support PMT_FRAME";
+		return false;
+	}
+	
+	if (pm.buffer == nullptr)
+		return false;
+	
+	MB_Frame* frame = (MB_Frame*)pm.buffer;
+	if (frame->type != MB_Frame::MBFT_YUV420)
+	{
+		LOG_ERROR << "Only support MBFT_YUV420";
+		return false;
+	}
+
+	in->faceFeatures.clear();
+	int face_count = doFaceTrack(
+						in, (uint8_t*)frame->buffer, frame->width, frame->height, frame->width, CV_PIX_FMT_YUV420P);
+	if (face_count < 0)
+	{
+		in->payError = true;
+		return false;
+	}
+	else
+		in->payError = false;
+	
+	//in->buffer readly
+
+	in->lastFrame.type = MB_Frame::MBFT_YUV420;
+	in->lastFrame.buffer = frame->buffer;//#todo should copy
+	in->lastFrame.buffSize = frame->buffSize;
+	in->lastFrame.width = frame->width;
+	in->lastFrame.height = frame->height;
+	in->lastFrame.pts = frame->pts;
+
+	return true;
+}
+
+bool PL_SensetimeFaceDetect::gain(PipeMaterial& pm)
+{
+	PL_SensetimeFaceDetect_Internal* in = (PL_SensetimeFaceDetect_Internal*)internal;
+
+	if (in->payError)
+	{
+		pm.former = this;
+		return false;
+	}
+
+	if (!in->config.generate_face_feature)
+	{
+		pm.type = PipeMaterial::PMT_FRAME;
+		pm.buffer = &(in->lastFrame);
+		pm.buffSize = 0;
+	}
+	else
+	{
+		in->pmList[0].type = PipeMaterial::PMT_FRAME;
+		in->pmList[0].buffer = &(in->lastFrame);
+		in->pmList[0].buffSize = 0;
+		in->pmList[0].former = this;
+		
+		in->pmList[1].type = PipeMaterial::PMT_BYTES;
+		in->pmList[1].buffer = &(in->faceFeatures);
+		in->pmList[1].buffSize = 0;
+		in->pmList[1].former = this;
+		
+		pm.type = PipeMaterial::PMT_PM_LIST;
+		pm.buffer = in->pmList;
+		pm.buffSize = sizeof(in->pmList) / sizeof(PipeMaterial);
+	}
+	
+	pm.former = this;
+	return true;
+}

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