Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_NECHANNELEXTRACTKERNEL_H |
| 25 | #define ARM_COMPUTE_NECHANNELEXTRACTKERNEL_H |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 26 | |
| 27 | #include "arm_compute/core/NEON/INESimpleKernel.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | |
| 30 | #include <cstdint> |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | class IMultiImage; |
| 35 | class ITensor; |
| 36 | using IImage = ITensor; |
| 37 | |
| 38 | /** Interface for the channel extract kernel */ |
| 39 | class NEChannelExtractKernel : public INESimpleKernel |
| 40 | { |
| 41 | public: |
Anthony Barbier | e8a4983 | 2018-01-18 10:04:05 +0000 | [diff] [blame] | 42 | const char *name() const override |
| 43 | { |
| 44 | return "NEChannelExtractKernel"; |
| 45 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 46 | /** Default constructor */ |
| 47 | NEChannelExtractKernel(); |
| 48 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 49 | NEChannelExtractKernel(const NEChannelExtractKernel &) = delete; |
| 50 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 51 | NEChannelExtractKernel &operator=(const NEChannelExtractKernel &) = delete; |
| 52 | /** Allow instances of this class to be moved */ |
| 53 | NEChannelExtractKernel(NEChannelExtractKernel &&) = default; |
| 54 | /** Allow instances of this class to be moved */ |
| 55 | NEChannelExtractKernel &operator=(NEChannelExtractKernel &&) = default; |
| 56 | /** Default destructor */ |
| 57 | ~NEChannelExtractKernel() = default; |
| 58 | |
| 59 | /** Set the input and output of the kernel |
| 60 | * |
| 61 | * @param[in] input Source tensor. Formats supported: RGB888/RGBA8888/YUYV422/UYVY422 |
| 62 | * @param[in] channel Channel to extract. |
| 63 | * @param[out] output Destination tensor. Format supported: u8 |
| 64 | */ |
| 65 | void configure(const ITensor *input, Channel channel, ITensor *output); |
| 66 | /** Set the input and output of the kernel |
| 67 | * |
| 68 | * @param[in] input Multi-planar source image. Formats supported: NV12/NV21/IYUV/YUV444 |
| 69 | * @param[in] channel Channel to extract. |
| 70 | * @param[out] output Single-planar destination image. Format supported: U8 |
| 71 | */ |
| 72 | void configure(const IMultiImage *input, Channel channel, IImage *output); |
| 73 | |
| 74 | // Inherited methods overridden: |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 75 | void run(const Window &window, const ThreadInfo &info) override; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | |
| 77 | private: |
| 78 | /** Extract one channel from a two channel planar tensor. |
| 79 | * |
| 80 | * @param[in] win Region on which to execute the kernel. |
| 81 | */ |
| 82 | void extract_1C_from_2C_img(const Window &win); |
| 83 | /** Extract one channel from a three channel planar tensor. |
| 84 | * |
| 85 | * @param[in] win Region on which to execute the kernel. |
| 86 | */ |
| 87 | void extract_1C_from_3C_img(const Window &win); |
| 88 | /** Extract one channel from a four channel planar tensor. |
| 89 | * |
| 90 | * @param[in] win Region on which to execute the kernel. |
| 91 | */ |
| 92 | void extract_1C_from_4C_img(const Window &win); |
| 93 | /** Extract U/V channel from a single planar YUVY/UYVY tensor. |
| 94 | * |
| 95 | * @param[in] win Region on which to execute the kernel. |
| 96 | */ |
| 97 | void extract_YUYV_uv(const Window &win); |
| 98 | /** Copies a full plane to the output tensor. |
| 99 | * |
| 100 | * @param[in] win Region on which to execute the kernel. |
| 101 | */ |
| 102 | void copy_plane(const Window &win); |
| 103 | /** Common signature for all the specialised ChannelExtract functions |
| 104 | * |
| 105 | * @param[in] window Region on which to execute the kernel. |
| 106 | */ |
| 107 | using ChannelExtractFunction = void (NEChannelExtractKernel::*)(const Window &window); |
| 108 | /** ChannelExtract function to use for the particular tensor types passed to configure() */ |
| 109 | ChannelExtractFunction _func; |
| 110 | unsigned int _lut_index; |
| 111 | }; |
Gian Marco Iodice | 356f643 | 2017-09-22 11:32:21 +0100 | [diff] [blame] | 112 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 113 | #endif /* ARM_COMPUTE_NECHANNELEXTRACTKERNEL_H */ |