microsoft/onnxruntime-extensions
Publicmirrored fromhttps://github.com/microsoft/onnxruntime-extensionsAvailable
operators/vision/encode_image.hpp
71lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | #pragma once |
| 5 | |
| 6 | #include "ocos.h" |
| 7 | #include "string_utils.h" |
| 8 | |
| 9 | #include <cstdint> |
| 10 | |
| 11 | namespace ort_extensions { |
| 12 | struct KernelEncodeImage : BaseKernel { |
| 13 | KernelEncodeImage(const OrtApi& api, const std::string& format) |
| 14 | : BaseKernel{api}, |
| 15 | extension_{std::string(".") + format} { |
| 16 | } |
| 17 | |
| 18 | void Compute(OrtKernelContext* context); |
| 19 | |
| 20 | private: |
| 21 | const std::string extension_; |
| 22 | }; |
| 23 | |
| 24 | /// <summary> |
| 25 | /// EncodeImage |
| 26 | /// |
| 27 | /// Converts rank 3 BGR input with channels last ordering to the requested file type. |
| 28 | /// Default is 'jpg' |
| 29 | /// </summary> |
| 30 | struct CustomOpEncodeImage : OrtW::CustomOpBase<CustomOpEncodeImage, KernelEncodeImage> { |
| 31 | void* CreateKernel(const OrtApi& api, const OrtKernelInfo* info) const { |
| 32 | OrtW::CustomOpApi op_api{api}; |
| 33 | std::string format = op_api.KernelInfoGetAttribute<std::string>(info, "format"); |
| 34 | if (format != "jpg" && format != "png") { |
| 35 | ORTX_CXX_API_THROW("[EncodeImage] 'format' attribute value must be 'jpg' or 'png'.", ORT_RUNTIME_EXCEPTION); |
| 36 | } |
| 37 | |
| 38 | return new KernelEncodeImage(api, format); |
| 39 | } |
| 40 | |
| 41 | const char* GetName() const { |
| 42 | return "EncodeImage"; |
| 43 | } |
| 44 | |
| 45 | size_t GetInputTypeCount() const { |
| 46 | return 1; |
| 47 | } |
| 48 | |
| 49 | ONNXTensorElementDataType GetInputType(size_t index) const { |
| 50 | switch (index) { |
| 51 | case 0: |
| 52 | return ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT8; |
| 53 | default: |
| 54 | ORTX_CXX_API_THROW(MakeString("Invalid input index ", index), ORT_INVALID_ARGUMENT); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | size_t GetOutputTypeCount() const { |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | ONNXTensorElementDataType GetOutputType(size_t index) const { |
| 63 | switch (index) { |
| 64 | case 0: |
| 65 | return ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT8; |
| 66 | default: |
| 67 | ORTX_CXX_API_THROW(MakeString("Invalid output index ", index), ORT_INVALID_ARGUMENT); |
| 68 | } |
| 69 | } |
| 70 | }; |
| 71 | } // namespace ort_extensions |
| 72 | |