1 /* 2 * Copyright (c) 2016-2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_CLCHANNELEXTRACTKERNEL_H 25 #define ARM_COMPUTE_CLCHANNELEXTRACTKERNEL_H 26 27 #include "arm_compute/core/Types.h" 28 #include "src/core/CL/ICLKernel.h" 29 30 #include <cstdint> 31 32 namespace arm_compute 33 { 34 class ICLMultiImage; 35 class ICLTensor; 36 using ICLImage = ICLTensor; 37 38 /** Interface for the channel extract kernel */ 39 class CLChannelExtractKernel : public ICLKernel 40 { 41 public: 42 /** Default constructor */ 43 CLChannelExtractKernel(); 44 /** Prevent instances of this class from being copied (As this class contains pointers) */ 45 CLChannelExtractKernel(const CLChannelExtractKernel &) = delete; 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 CLChannelExtractKernel &operator=(const CLChannelExtractKernel &) = delete; 48 /** Allow instances of this class to be moved */ 49 CLChannelExtractKernel(CLChannelExtractKernel &&) = default; 50 /** Allow instances of this class to be moved */ 51 CLChannelExtractKernel &operator=(CLChannelExtractKernel &&) = default; 52 /** Default destructor */ 53 ~CLChannelExtractKernel() = default; 54 /** Set the input and output of the kernel 55 * 56 * @param[in] input Source tensor. Formats supported: RGB888/RGBA8888/YUYV422/UYVY422 57 * @param[in] channel Channel to extract. 58 * @param[out] output Destination tensor. Must be of U8 format. 59 */ 60 void configure(const ICLTensor *input, Channel channel, ICLTensor *output); 61 /** Set the input and output of the kernel 62 * 63 * @param[in] compile_context The compile context to be used. 64 * @param[in] input Source tensor. Formats supported: RGB888/RGBA8888/YUYV422/UYVY422 65 * @param[in] channel Channel to extract. 66 * @param[out] output Destination tensor. Must be of U8 format. 67 */ 68 void configure(const CLCompileContext &compile_context, const ICLTensor *input, Channel channel, ICLTensor *output); 69 /** Set the input and output of the kernel 70 * 71 * @param[in] input Multi-planar source image. Formats supported: NV12/NV21/IYUV/YUV444 72 * @param[in] channel Channel to extract. 73 * @param[out] output Single-planar 2D destination image. Must be of U8 format. 74 */ 75 void configure(const ICLMultiImage *input, Channel channel, ICLImage *output); 76 /** Set the input and output of the kernel 77 * 78 * @param[in] compile_context The compile context to be used. 79 * @param[in] input Multi-planar source image. Formats supported: NV12/NV21/IYUV/YUV444 80 * @param[in] channel Channel to extract. 81 * @param[out] output Single-planar 2D destination image. Must be of U8 format. 82 */ 83 void configure(const CLCompileContext &compile_context, const ICLMultiImage *input, Channel channel, ICLImage *output); 84 85 // Inherited methods overridden: 86 void run(const Window &window, cl::CommandQueue &queue) override; 87 88 private: 89 const ICLTensor *_input; 90 ICLTensor *_output; 91 uint32_t _num_elems_processed_per_iteration; 92 uint32_t _subsampling; 93 }; 94 } // namespace arm_compute 95 #endif /* ARM_COMPUTE_CLCHANNELEXTRACTKERNEL_H */ 96