add op and client

core/general-server/op/general_detection_op.cpp

+// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "core/general-server/op/general_detection_op.h"
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include "core/predictor/framework/infer.h"
+#include "core/predictor/framework/memory.h"
+#include "core/predictor/framework/resource.h"
+#include "core/util/include/timer.h"
+
+
+/*
+#include "opencv2/imgcodecs/legacy/constants_c.h"
+#include "opencv2/imgproc/types_c.h"
+*/
+
+namespace baidu {
+namespace paddle_serving {
+namespace serving {
+
+using baidu::paddle_serving::Timer;
+using baidu::paddle_serving::predictor::MempoolWrapper;
+using baidu::paddle_serving::predictor::general_model::Tensor;
+using baidu::paddle_serving::predictor::general_model::Response;
+using baidu::paddle_serving::predictor::general_model::Request;
+using baidu::paddle_serving::predictor::general_model::FetchInst;
+using baidu::paddle_serving::predictor::InferManager;
+using baidu::paddle_serving::predictor::PaddleGeneralModelConfig;
+
+int GeneralDetectionOp::inference() {
+  VLOG(2) << "Going to run inference";
+  const std::vector<std::string> pre_node_names = pre_names();
+  if (pre_node_names.size() != 1) {
+    LOG(ERROR) << "This op(" << op_name()
+               << ") can only have one predecessor op, but received "
+               << pre_node_names.size();
+    return -1;
+  }
+  const std::string pre_name = pre_node_names[0];
+
+  const GeneralBlob *input_blob = get_depend_argument<GeneralBlob>(pre_name);
+  if (!input_blob) {
+    LOG(ERROR) << "input_blob is nullptr,error";
+      return -1;
+  }
+  uint64_t log_id = input_blob->GetLogId();
+  VLOG(2) << "(logid=" << log_id << ") Get precedent op name: " << pre_name;
+
+  GeneralBlob *output_blob = mutable_data<GeneralBlob>();
+  if (!output_blob) {
+    LOG(ERROR) << "output_blob is nullptr,error";
+      return -1;
+  }
+  output_blob->SetLogId(log_id);
+
+  if (!input_blob) {
+    LOG(ERROR) << "(logid=" << log_id
+               << ") Failed mutable depended argument, op:" << pre_name;
+    return -1;
+  }
+
+  const TensorVector *in = &input_blob->tensor_vector;
+  TensorVector* out = &output_blob->tensor_vector;
+
+  int batch_size = input_blob->_batch_size;
+  VLOG(2) << "(logid=" << log_id << ") input batch size: " << batch_size;
+
+  output_blob->_batch_size = batch_size;
+
+  VLOG(2) << "(logid=" << log_id << ") infer batch size: " << batch_size;
+
+  std::vector<int> input_shape;
+  int in_num =0;
+  void* databuf_data = NULL;
+  char* databuf_char = NULL;
+  size_t databuf_size = 0;
+
+  std::string* input_ptr = static_cast<std::string*>(in->at(0).data.data());
+  std::string base64str = input_ptr[0];
+  float ratio_h{};
+  float ratio_w{};
+
+  
+  cv::Mat img = Base2Mat(base64str);
+  cv::Mat srcimg;
+  cv::Mat resize_img;
+  
+  cv::Mat resize_img_rec;
+  cv::Mat crop_img;
+  img.copyTo(srcimg);
+
+  this->resize_op_.Run(img, resize_img, this->max_side_len_, ratio_h, ratio_w,
+                       this->use_tensorrt_);
+
+  this->normalize_op_.Run(&resize_img, this->mean_det, this->scale_det,
+                          this->is_scale_);
+
+  std::vector<float> input(1 * 3 * resize_img.rows * resize_img.cols, 0.0f);
+  this->permute_op_.Run(&resize_img, input.data());
+
+
+  TensorVector* real_in = new TensorVector();
+  if (!real_in) {
+    LOG(ERROR) << "real_in is nullptr,error";
+    return -1;
+  }
+
+  for (int i = 0; i < in->size(); ++i) {
+    input_shape = {1, 3, resize_img.rows, resize_img.cols};
+    in_num = std::accumulate(input_shape.begin(), input_shape.end(), 1, std::multiplies<int>());
+    databuf_size = in_num*sizeof(float);
+    databuf_data = MempoolWrapper::instance().malloc(databuf_size);
+    if (!databuf_data) {
+        LOG(ERROR) << "Malloc failed, size: " << databuf_size;
+        return -1;
+    }
+    memcpy(databuf_data,input.data(),databuf_size);
+    databuf_char = reinterpret_cast<char*>(databuf_data);
+    paddle::PaddleBuf paddleBuf(databuf_char, databuf_size);
+    paddle::PaddleTensor tensor_in;
+    tensor_in.name = in->at(i).name;
+    tensor_in.dtype = paddle::PaddleDType::FLOAT32;
+    tensor_in.shape = {1, 3, resize_img.rows, resize_img.cols};
+    tensor_in.lod = in->at(i).lod;
+    tensor_in.data = paddleBuf;
+    real_in->push_back(tensor_in);
+  }
+
+  Timer timeline;
+  int64_t start = timeline.TimeStampUS();
+  timeline.Start();
+  
+  if (InferManager::instance().infer(
+          engine_name().c_str(), real_in, out, batch_size)) {
+    LOG(ERROR) << "(logid=" << log_id
+               << ") Failed do infer in fluid model: " << engine_name().c_str();
+    return -1;
+  }
+  std::vector<int> output_shape;
+  int out_num =0;
+  void* databuf_data_out = NULL;
+  char* databuf_char_out = NULL;
+  size_t databuf_size_out = 0;
+  //this is special add for PaddleOCR postprecess
+  int infer_outnum =  out->size();
+  for (int k = 0;k <infer_outnum; ++k) {
+    int n2 = out->at(k).shape[2];
+    int n3 = out->at(k).shape[3];
+    int n = n2 * n3;
+
+    float* out_data = static_cast<float*>(out->at(k).data.data());
+    std::vector<float> pred(n, 0.0);
+    std::vector<unsigned char> cbuf(n, ' ');
+
+    for (int i = 0; i < n; i++) {
+      pred[i] = float(out_data[i]);
+      cbuf[i] = (unsigned char)((out_data[i]) * 255);
+    }
+
+    cv::Mat cbuf_map(n2, n3, CV_8UC1, (unsigned char *)cbuf.data());
+    cv::Mat pred_map(n2, n3, CV_32F, (float *)pred.data());
+
+    const double threshold = this->det_db_thresh_ * 255;
+    const double maxvalue = 255;
+    cv::Mat bit_map;
+    cv::threshold(cbuf_map, bit_map, threshold, maxvalue, cv::THRESH_BINARY);
+    cv::Mat dilation_map;
+    cv::Mat dila_ele = cv::getStructuringElement(cv::MORPH_RECT, cv::Size(2, 2));
+    cv::dilate(bit_map, dilation_map, dila_ele);
+    boxes = post_processor_.BoxesFromBitmap(pred_map, dilation_map,
+                                            this->det_db_box_thresh_,
+                                            this->det_db_unclip_ratio_);
+
+    boxes = post_processor_.FilterTagDetRes(boxes, ratio_h, ratio_w, srcimg);
+
+    for (int i = boxes.size() - 1; i >= 0; i--) {
+      crop_img = GetRotateCropImage(img, boxes[i]);
+
+      float wh_ratio = float(crop_img.cols) / float(crop_img.rows);
+
+      this->resize_op_rec.Run(crop_img, resize_img_rec, wh_ratio, this->use_tensorrt_);
+
+      this->normalize_op_.Run(&resize_img_rec, this->mean_rec, this->scale_rec,
+                              this->is_scale_);
+
+      std::vector<float> output_rec(1 * 3 * resize_img_rec.rows * resize_img_rec.cols, 0.0f);
+
+      this->permute_op_.Run(&resize_img_rec, output_rec.data());
+
+      // Inference.
+      output_shape = {1, 3, resize_img_rec.rows, resize_img_rec.cols};
+      out_num = std::accumulate(output_shape.begin(), output_shape.end(), 1, std::multiplies<int>());
+      databuf_size_out = out_num*sizeof(float);
+      databuf_data_out = MempoolWrapper::instance().malloc(databuf_size_out);
+      if (!databuf_data_out) {
+          LOG(ERROR) << "Malloc failed, size: " << databuf_size_out;
+          return -1;
+      }
+      memcpy(databuf_data_out,output_rec.data(),databuf_size_out);
+      databuf_char_out = reinterpret_cast<char*>(databuf_data_out);
+      paddle::PaddleBuf paddleBuf(databuf_char_out, databuf_size_out);
+      paddle::PaddleTensor tensor_out;
+      tensor_out.name = "image";
+      tensor_out.dtype = paddle::PaddleDType::FLOAT32;
+      tensor_out.shape = {1, 3, resize_img_rec.rows, resize_img_rec.cols};
+      tensor_out.data = paddleBuf;
+      out->push_back(tensor_out);
+    }
+  }
+  out->erase(out->begin(),out->begin()+infer_outnum);
+
+  
+  int64_t end = timeline.TimeStampUS();
+  CopyBlobInfo(input_blob, output_blob);
+  AddBlobInfo(output_blob, start);
+  AddBlobInfo(output_blob, end);
+  return 0;
+}
+
+cv::Mat GeneralDetectionOp::Base2Mat(std::string &base64_data)
+{
+	cv::Mat img;
+	std::string s_mat;
+	s_mat = base64Decode(base64_data.data(), base64_data.size());
+	std::vector<char> base64_img(s_mat.begin(), s_mat.end());
+	img = cv::imdecode(base64_img, cv::IMREAD_COLOR);//CV_LOAD_IMAGE_COLOR
+	return img;
+}
+
+std::string GeneralDetectionOp::base64Decode(const char* Data, int DataByte)
+{
+
+	const char DecodeTable[] =
+	{
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		62, // '+'
+		0, 0, 0,
+		63, // '/'
+		52, 53, 54, 55, 56, 57, 58, 59, 60, 61, // '0'-'9'
+		0, 0, 0, 0, 0, 0, 0,
+		0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
+		13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, // 'A'-'Z'
+		0, 0, 0, 0, 0, 0,
+		26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
+		39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, // 'a'-'z'
+	};
+
+	std::string strDecode;
+	int nValue;
+	int i = 0;
+	while (i < DataByte)
+	{
+		if (*Data != '\r' && *Data != '\n')
+		{
+			nValue = DecodeTable[*Data++] << 18;
+			nValue += DecodeTable[*Data++] << 12;
+			strDecode += (nValue & 0x00FF0000) >> 16;
+			if (*Data != '=')
+			{
+				nValue += DecodeTable[*Data++] << 6;
+				strDecode += (nValue & 0x0000FF00) >> 8;
+				if (*Data != '=')
+				{
+					nValue += DecodeTable[*Data++];
+					strDecode += nValue & 0x000000FF;
+				}
+			}
+			i += 4;
+		}
+		else// 回车换行,跳过
+		{
+			Data++;
+			i++;
+		}
+	}
+	return strDecode;
+}
+
+cv::Mat GeneralDetectionOp::GetRotateCropImage(const cv::Mat &srcimage,
+                                           std::vector<std::vector<int>> box) {
+  cv::Mat image;
+  srcimage.copyTo(image);
+  std::vector<std::vector<int>> points = box;
+
+  int x_collect[4] = {box[0][0], box[1][0], box[2][0], box[3][0]};
+  int y_collect[4] = {box[0][1], box[1][1], box[2][1], box[3][1]};
+  int left = int(*std::min_element(x_collect, x_collect + 4));
+  int right = int(*std::max_element(x_collect, x_collect + 4));
+  int top = int(*std::min_element(y_collect, y_collect + 4));
+  int bottom = int(*std::max_element(y_collect, y_collect + 4));
+
+  cv::Mat img_crop;
+  image(cv::Rect(left, top, right - left, bottom - top)).copyTo(img_crop);
+
+  for (int i = 0; i < points.size(); i++) {
+    points[i][0] -= left;
+    points[i][1] -= top;
+  }
+
+  int img_crop_width = int(sqrt(pow(points[0][0] - points[1][0], 2) +
+                                pow(points[0][1] - points[1][1], 2)));
+  int img_crop_height = int(sqrt(pow(points[0][0] - points[3][0], 2) +
+                                 pow(points[0][1] - points[3][1], 2)));
+
+  cv::Point2f pts_std[4];
+  pts_std[0] = cv::Point2f(0., 0.);
+  pts_std[1] = cv::Point2f(img_crop_width, 0.);
+  pts_std[2] = cv::Point2f(img_crop_width, img_crop_height);
+  pts_std[3] = cv::Point2f(0.f, img_crop_height);
+
+  cv::Point2f pointsf[4];
+  pointsf[0] = cv::Point2f(points[0][0], points[0][1]);
+  pointsf[1] = cv::Point2f(points[1][0], points[1][1]);
+  pointsf[2] = cv::Point2f(points[2][0], points[2][1]);
+  pointsf[3] = cv::Point2f(points[3][0], points[3][1]);
+
+  cv::Mat M = cv::getPerspectiveTransform(pointsf, pts_std);
+
+  cv::Mat dst_img;
+  cv::warpPerspective(img_crop, dst_img, M,
+                      cv::Size(img_crop_width, img_crop_height),
+                      cv::BORDER_REPLICATE);
+
+  if (float(dst_img.rows) >= float(dst_img.cols) * 1.5) {
+    cv::Mat srcCopy = cv::Mat(dst_img.rows, dst_img.cols, dst_img.depth());
+    cv::transpose(dst_img, srcCopy);
+    cv::flip(srcCopy, srcCopy, 0);
+    return srcCopy;
+  } else {
+    return dst_img;
+  }
+}
+
+DEFINE_OP(GeneralDetectionOp);
+
+}  // namespace serving
+}  // namespace paddle_serving
+}  // namespace baidu
\ No newline at end of file

core/general-server/op/general_detection_op.h

+// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+#include <string>
+#include <vector>
+#include <numeric>
+#include "core/general-server/general_model_service.pb.h"
+#include "core/general-server/op/general_infer_helper.h"
+#include "core/predictor/tools/ocrtools/postprocess_op.h"
+#include "core/predictor/tools/ocrtools/preprocess_op.h"
+#include "paddle_inference_api.h"  // NOLINT
+
+#include "opencv2/core.hpp"
+#include "opencv2/imgcodecs.hpp"
+#include "opencv2/imgproc.hpp"
+
+
+namespace baidu {
+namespace paddle_serving {
+namespace serving {
+
+class GeneralDetectionOp
+    : public baidu::paddle_serving::predictor::OpWithChannel<GeneralBlob> {
+  public:
+    typedef std::vector<paddle::PaddleTensor> TensorVector;
+
+    DECLARE_OP(GeneralDetectionOp);
+
+    int inference();
+
+  private:
+    //config info
+    bool use_gpu_ = false;
+    int gpu_id_ = 0;
+    int gpu_mem_ = 4000;
+    int cpu_math_library_num_threads_ = 4;
+    bool use_mkldnn_ = false;
+    // pre-process
+    PaddleOCR::ResizeImgType0 resize_op_;
+    PaddleOCR::Normalize normalize_op_;
+    PaddleOCR::Permute permute_op_;
+    PaddleOCR::CrnnResizeImg resize_op_rec;
+
+    bool use_tensorrt_ = false;
+    bool use_fp16_ = false;
+    // post-process
+    PaddleOCR::PostProcessor post_processor_;
+
+    //det config info
+    int max_side_len_ = 960;
+
+    double det_db_thresh_ = 0.3;
+    double det_db_box_thresh_ = 0.5;
+    double det_db_unclip_ratio_ = 2.0;
+
+    std::vector<float> mean_det = {0.485f, 0.456f, 0.406f};
+    std::vector<float> scale_det = {1 / 0.229f, 1 / 0.224f, 1 / 0.225f};
+    bool is_scale_ = true;
+
+    //rec config info
+    std::vector<std::string> label_list_;
+    std::vector<float> mean_rec = {0.5f, 0.5f, 0.5f};
+    std::vector<float> scale_rec = {1 / 0.5f, 1 / 0.5f, 1 / 0.5f};
+    cv::Mat GetRotateCropImage(const cv::Mat &srcimage,
+                              std::vector<std::vector<int>> box);
+    cv::Mat Base2Mat(std::string &base64_data);
+    std::string base64Decode(const char* Data, int DataByte);
+    std::vector<std::vector<std::vector<int>>> boxes;
+};
+
+}  // namespace serving
+}  // namespace paddle_serving
+}  // namespace baidu

python/examples/ocr/README.md

@@ -123,5 +123,5 @@ for this case, `feed_type` should be 3(which means the data type is string),`sha
 
 By passing in multiple client folder paths, the client can be started for multi model prediction.
 ```
-python ocr_c_client_bytes.py ocr_det_client ocr_rec_client
+python ocr_cpp_client.py ocr_det_client ocr_rec_client
 ```

python/examples/ocr/README_CN.md

@@ -122,5 +122,5 @@ python -m paddle_serving_server_gpu.serve --model ocr_det_model ocr_rec_model --
 
 通过在客户端启动后加入多个client模型的client配置文件夹路径，启动client进行预测。
 ```
-python ocr_c_client_bytes.py ocr_det_client ocr_rec_client
+python ocr_cpp_client.py ocr_det_client ocr_rec_client
 ```

python/examples/ocr/ocr_cpp_client.py

+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# pylint: disable=doc-string-missing
+
+from paddle_serving_client import Client
+import sys
+import numpy as np
+import base64
+import os
+import cv2
+from paddle_serving_app.reader import Sequential, URL2Image, ResizeByFactor
+from paddle_serving_app.reader import Div, Normalize, Transpose
+
+client = Client()
+# TODO:load_client need to load more than one client model.
+# this need to figure out some details.
+client.load_client_config(sys.argv[1:])
+client.connect(["127.0.0.1:9293"])
+
+import paddle
+test_img_dir = "imgs/"
+
+def cv2_to_base64(image):
+    return base64.b64encode(image) #data.tostring()).decode('utf8')
+
+for img_file in os.listdir(test_img_dir):
+    with open(os.path.join(test_img_dir, img_file), 'rb') as file:
+        image_data = file.read()
+    image = cv2_to_base64(image_data)
+    fetch_map = client.predict(
+        feed={"image": image}, fetch = ["ctc_greedy_decoder_0.tmp_0", "softmax_0.tmp_0"], batch=True)
+    #print("{} {}".format(fetch_map["price"][0], data[0][1][0]))
+    print(fetch_map)