| /* |
| * Copyright (c) 2016-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_NECHANNELCOMBINEKERNEL_H |
| #define ARM_COMPUTE_NECHANNELCOMBINEKERNEL_H |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| |
| #include <array> |
| #include <cstdint> |
| |
| namespace arm_compute |
| { |
| class IMultiImage; |
| class ITensor; |
| using IImage = ITensor; |
| |
| /** Interface for the channel combine kernel */ |
| class NEChannelCombineKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEChannelCombineKernel"; |
| } |
| /** Default constructor */ |
| NEChannelCombineKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEChannelCombineKernel(const NEChannelCombineKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEChannelCombineKernel &operator=(const NEChannelCombineKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEChannelCombineKernel(NEChannelCombineKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEChannelCombineKernel &operator=(NEChannelCombineKernel &&) = default; |
| /** Default destructor */ |
| ~NEChannelCombineKernel() = default; |
| |
| /** Configure function's inputs and outputs. |
| * |
| * @param[in] plane0 The 2D plane that forms channel 0. Data type supported: U8 |
| * @param[in] plane1 The 2D plane that forms channel 1. Data type supported: U8 |
| * @param[in] plane2 The 2D plane that forms channel 2. Data type supported: U8 |
| * @param[in] plane3 The 2D plane that forms channel 3. Data type supported: U8 |
| * @param[out] output The single planar output tensor. Formats supported: RGB888/RGBA8888/UYVY422/YUYV422 |
| */ |
| void configure(const ITensor *plane0, const ITensor *plane1, const ITensor *plane2, const ITensor *plane3, ITensor *output); |
| /** Configure function's inputs and outputs. |
| * |
| * @param[in] plane0 The 2D plane that forms channel 0. Data type supported: U8 |
| * @param[in] plane1 The 2D plane that forms channel 1. Data type supported: U8 |
| * @param[in] plane2 The 2D plane that forms channel 2. Data type supported: U8 |
| * @param[out] output The multi planar output tensor. Formats supported: NV12/NV21/IYUV/YUV444 |
| */ |
| void configure(const IImage *plane0, const IImage *plane1, const IImage *plane2, IMultiImage *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| bool is_parallelisable() const override; |
| |
| private: |
| /** Combine 3 planes to form a three channel single plane tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| void combine_3C(const Window &win); |
| /** Combine 4 planes to form a four channel single plane tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| void combine_4C(const Window &win); |
| /** Combine 3 planes to form a single plane YUV tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| template <bool is_yuyv> |
| void combine_YUV_1p(const Window &win); |
| /** Combine 3 planes to form a two plane YUV tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| void combine_YUV_2p(const Window &win); |
| /** Combine 3 planes to form a three plane YUV tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| void combine_YUV_3p(const Window &win); |
| /** Copies a full plane to the output tensor. |
| * |
| * @param[in] win Region on which to execute the kernel. |
| */ |
| void copy_plane(const Window &win, uint32_t plane_id); |
| /** Common signature for all the specialised ChannelCombine functions |
| * |
| * @param[in] window Region on which to execute the kernel. |
| */ |
| using ChannelCombineFunction = void (NEChannelCombineKernel::*)(const Window &window); |
| /** ChannelCombine function to use for the particular tensor types passed to configure() */ |
| ChannelCombineFunction _func; |
| std::array<const ITensor *, 4> _planes; |
| ITensor *_output; |
| IMultiImage *_output_multi; |
| std::array<uint32_t, 3> _x_subsampling; |
| std::array<uint32_t, 3> _y_subsampling; |
| unsigned int _num_elems_processed_per_iteration; |
| bool _is_parallelizable; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_NECHANNELCOMBINEKERNEL_H */ |