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* add tutorialfor how to use c and c sharp api * update english doc * update doc * update doc * update doc * update doc * update doc
40 lines
2.0 KiB
Markdown
40 lines
2.0 KiB
Markdown
# C API tutorial
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This directory is the implementation of FastDeploy C SDK, which provides solutions for scenarios where users need C API.
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## How to compile and install
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When compiling the fastdeploy library, turn on the compile option --WITH_CAPI=ON to start compiling for this directory. The compiled C library and fastdeploy library are in the same dynamic library file, such as libfastdeploy.a under Linux. For example, to compile the CPU version of fastdeploy and compile the C API into the library, you can use the following command
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```bash
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git clone https://github.com/PaddlePaddle/FastDeploy.git
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cd FastDeploy
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mkdir build && cd build
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cmake .. -DENABLE_ORT_BACKEND=ON \
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-DENABLE_PADDLE_BACKEND=ON \
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-DENABLE_OPENVINO_BACKEND=ON \
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-DCMAKE_INSTALL_PREFIX=${PWD}/compiled_fastdeploy_sdk \
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-DENABLE_VISION=ON \
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-DWITH_CAPI=ON \
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-DOPENCV_DIRECTORY=/usr/lib/x86_64-linux-gnu/cmake/opencv4 \
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-DENABLE_TEXT=ON
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make -j12
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make install
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```
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For more details about compiling the fastdeploy library, please refer to the documentation
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- [FastDeploy installation](../docs/en/build_and_install/README.md)
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## How to use
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The header files of the provided C API can be used. If it is manually compiled and installed, such as the above command, after `make install`, the header files will be in the directory ${PWD}/compiled_fastdeploy_sdk/include/fastdeploy_capi/. If it is a downloaded precompiled library, after decompression, include/fastdeploy_capi/ is the header file of the C API. For usage examples, please refer to the use cases under examples
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- [paddleclas](../examples/vision/classification/paddleclas/c/README.md)
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- [paddledetection](../examples/vision/detection/paddledetection/c/README.md)
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- [pp-ocrv2](../examples/vision/ocr/PP-OCRv2/c/README.md)
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- [paddleseg](../examples/vision/segmentation/paddleseg/cpu-gpu/c/README.md)
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## Other documents
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- [How to Develop C API for a New Model](../docs/en/faq/develop_c_api_for_a_new_model.md)
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- [Vision Results](../docs/api/vision_results/README.md)
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