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53 lines
1.6 KiB
C++
53 lines
1.6 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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#include "fastdeploy/vision/common/processors/hwc2chw.h"
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namespace fastdeploy {
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namespace vision {
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bool HWC2CHW::ImplByOpenCV(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->GetOpenCVMat();
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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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// 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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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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} // namespace vision
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} // namespace fastdeploy
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