| /* |
| * Copyright (c) 2017-2018 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. |
| */ |
| #include "ChannelCombine.h" |
| |
| #include "arm_compute/core/Types.h" |
| #include "tests/validation/Helpers.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| namespace |
| { |
| template <typename T> |
| inline std::vector<SimpleTensor<T>> create_image_planes(const TensorShape &shape, Format format) |
| { |
| TensorShape image_shape = adjust_odd_shape(shape, format); |
| |
| std::vector<SimpleTensor<T>> image_planes; |
| |
| switch(format) |
| { |
| case Format::RGB888: |
| case Format::RGBA8888: |
| case Format::YUYV422: |
| case Format::UYVY422: |
| { |
| image_planes.emplace_back(image_shape, format); |
| break; |
| } |
| case Format::NV12: |
| case Format::NV21: |
| { |
| TensorShape shape_uv88 = calculate_subsampled_shape(image_shape, Format::UV88); |
| |
| image_planes.emplace_back(image_shape, Format::U8); |
| image_planes.emplace_back(shape_uv88, Format::UV88); |
| break; |
| } |
| case Format::IYUV: |
| { |
| TensorShape shape_sub2 = calculate_subsampled_shape(image_shape, Format::IYUV); |
| |
| image_planes.emplace_back(image_shape, Format::U8); |
| image_planes.emplace_back(shape_sub2, Format::U8); |
| image_planes.emplace_back(shape_sub2, Format::U8); |
| break; |
| } |
| case Format::YUV444: |
| { |
| image_planes.emplace_back(image_shape, Format::U8); |
| image_planes.emplace_back(image_shape, Format::U8); |
| image_planes.emplace_back(image_shape, Format::U8); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| break; |
| } |
| |
| return image_planes; |
| } |
| } // namespace |
| |
| template <typename T> |
| std::vector<SimpleTensor<T>> channel_combine(const TensorShape &shape, const std::vector<SimpleTensor<T>> &image_planes, Format format) |
| { |
| std::vector<SimpleTensor<T>> dst = create_image_planes<T>(shape, format); |
| |
| for(unsigned int plane_idx = 0; plane_idx < dst.size(); ++plane_idx) |
| { |
| SimpleTensor<T> &dst_tensor = dst[plane_idx]; |
| |
| for(int element_idx = 0; element_idx < dst_tensor.num_elements(); ++element_idx) |
| { |
| Coordinates coord = index2coord(dst_tensor.shape(), element_idx); |
| |
| switch(format) |
| { |
| case Format::RGB888: |
| case Format::RGBA8888: |
| { |
| // Copy R/G/B or A channel |
| for(int channel_idx = 0; channel_idx < dst_tensor.num_channels(); ++channel_idx) |
| { |
| const T &src_value = reinterpret_cast<const T *>(image_planes[channel_idx](coord))[0]; |
| T &dst_value = reinterpret_cast<T *>(dst_tensor(coord))[channel_idx]; |
| |
| dst_value = src_value; |
| } |
| break; |
| } |
| case Format::YUYV422: |
| case Format::UYVY422: |
| { |
| // Find coordinates of the sub-sampled pixel |
| const Coordinates coord_hori(coord.x() / 2, coord.y()); |
| |
| const T &src0 = reinterpret_cast<const T *>(image_planes[0](coord))[0]; |
| const T &src1 = reinterpret_cast<const T *>(image_planes[1](coord_hori))[0]; |
| |
| const int shift = (Format::YUYV422 == format) ? 1 : 0; |
| T &dst0 = reinterpret_cast<T *>(dst_tensor(coord))[1 - shift]; |
| T &dst1 = reinterpret_cast<T *>(dst_tensor(coord))[0 + shift]; |
| |
| dst0 = src0; |
| dst1 = src1; |
| |
| Coordinates coord2 = index2coord(dst_tensor.shape(), ++element_idx); |
| |
| const T &src2 = reinterpret_cast<const T *>(image_planes[0](coord2))[0]; |
| const T &src3 = reinterpret_cast<const T *>(image_planes[2](coord_hori))[0]; |
| |
| T &dst2 = reinterpret_cast<T *>(dst_tensor(coord2))[1 - shift]; |
| T &dst3 = reinterpret_cast<T *>(dst_tensor(coord2))[0 + shift]; |
| |
| dst2 = src2; |
| dst3 = src3; |
| |
| break; |
| } |
| case Format::NV12: |
| case Format::NV21: |
| { |
| if(0U == plane_idx) |
| { |
| // Get and combine Y channel from plane0 of destination multi-image |
| dst_tensor[element_idx] = image_planes[0][element_idx]; |
| } |
| else |
| { |
| const int shift = (Format::NV12 == format) ? 0 : 1; |
| |
| // Get U channel from plane1 and V channel from plane2 of the source |
| const T &src_u0 = reinterpret_cast<const T *>(image_planes[1](coord))[0]; |
| const T &src_v0 = reinterpret_cast<const T *>(image_planes[2](coord))[0]; |
| |
| // Get U and V channel from plane1 of destination multi-image |
| T &dst_u0 = reinterpret_cast<T *>(dst_tensor(coord))[0 + shift]; |
| T &dst_v0 = reinterpret_cast<T *>(dst_tensor(coord))[1 - shift]; |
| |
| // Combine channel U and V |
| dst_u0 = src_u0; |
| dst_v0 = src_v0; |
| } |
| |
| break; |
| } |
| case Format::IYUV: |
| case Format::YUV444: |
| { |
| // Get Y/U/V element |
| const T &src = reinterpret_cast<const T *>(image_planes[plane_idx](coord))[0]; |
| T &dst = reinterpret_cast<T *>(dst_tensor(coord))[0]; |
| |
| // Copy Y/U/V plane |
| dst = src; |
| |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| break; |
| } |
| } |
| } |
| |
| return dst; |
| } |
| |
| template std::vector<SimpleTensor<uint8_t>> channel_combine(const TensorShape &shape, const std::vector<SimpleTensor<uint8_t>> &image_planes, Format format); |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |