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Use Own OpenCV Library

The prebuilt FastDeploy library has a built-in OpenCV library, which is not able to read video file or call imshow because the prebuilt FastDeploy has to build in manylinux version. If you need to read video or other functions provided by opencv, this document shows how to build FastDeploy with your own OpenCV in your environment.

FastDeploy provides flag -DOPENCV_DIRECTORY to set path of OpenCV library, the following steps show how to build CPU C++ SDK on Ubuntu.

CPU C++ SDK

1. Install OpenCV

sudo apt-get install libopencv-dev

2. Build FastDeploy

git clone https://github.com/PaddlePaddle/FastDeploy
cd FastDeploy
mkdir build && cd build
cmake .. -DENABLE_ORT_BACKEND=ON \
         -DENABLE_PADDLE_BACKEND=ON \
         -DENABLE_OPENVINO_BACKEND=ON \
         -DENABLE_VISION=ON \
         -DCMAKE_INSTALL_PREFIX=${PWD}/installed_fastdeploy \
         -DOPENCV_DIRECTORY=/usr/lib/x86_64-linux-gnu/cmake/opencv4
make -j8
make install

Now we get the C++ SDK in current directory installed_fastdeploy, this library can use all the functions from your own OpenCV library.

This document also works for other hardware deployment(GPU/IPU/XPU...) on Linux platform.