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			76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| #include "fastdeploy/vision/common/processors/hwc2chw.h"
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| 
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| namespace fastdeploy {
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| namespace vision {
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| bool HWC2CHW::CpuRun(Mat* mat) {
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|   if (mat->layout != Layout::HWC) {
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|     FDERROR << "HWC2CHW: The input data is not Layout::HWC format!"
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|             << std::endl;
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|     return false;
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|   }
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|   cv::Mat* im = mat->GetCpuMat();
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|   cv::Mat im_clone = im->clone();
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|   int rh = im->rows;
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|   int rw = im->cols;
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|   int rc = im->channels();
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| 
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|   //  float* data = reinterpret_cast<float*>(im->data);
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|   for (int i = 0; i < rc; ++i) {
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|     //    cv::extractChannel(im_clone, cv::Mat(rh, rw, im->type() % 8, data + i
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|     //    * rh * rw),
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|     //                       i);
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|     cv::extractChannel(
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|         im_clone,
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|         cv::Mat(rh, rw, im->type() % 8,
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|                 im->ptr() + i * rh * rw * FDDataTypeSize(mat->Type())),
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|         i);
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|   }
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|   mat->layout = Layout::CHW;
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|   return true;
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| }
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| 
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| #ifdef ENABLE_OPENCV_CUDA
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| bool HWC2CHW::GpuRun(Mat* mat) {
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|   if (mat->layout != Layout::HWC) {
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|     FDERROR << "HWC2CHW: The input data is not Layout::HWC format!"
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|             << std::endl;
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|     return false;
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|   }
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|   cv::cuda::GpuMat* im = mat->GetGpuMat();
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|   cv::cuda::GpuMat im_clone = im->clone();
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|   int rh = im->rows;
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|   int rw = im->cols;
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|   int rc = im->channels();
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|   int num_pixels = rh * rw;
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|   std::vector<cv::cuda::GpuMat> channels{
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|       cv::cuda::GpuMat(rh, rw, im->type() % 8, &(im->ptr()[0])),
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|       cv::cuda::GpuMat(rh, rw, im->type() % 8, &(im->ptr()[num_pixels])),
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|       cv::cuda::GpuMat(rh, rw, im->type() % 8, &(im->ptr()[num_pixels * 2]))};
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|   cv::cuda::split(im_clone, channels);
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|   mat->layout = Layout::CHW;
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|   return true;
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| }
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| #endif
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| 
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| bool HWC2CHW::Run(Mat* mat, ProcLib lib) {
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|   auto h = HWC2CHW();
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|   return h(mat, lib);
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| }
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| 
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| } // namespace vision
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| } // namespace fastdeploy
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