COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae

1 files changed, 582 insertions, 0 deletions

diff --git a/src/core/NEON/kernels/NEColorConvertKernel.cpp b/src/core/NEON/kernels/NEColorConvertKernel.cpp
new file mode 100644
index 0000000000..cb5152e2b3
--- /dev/null
+++ b/src/core/NEON/kernels/NEColorConvertKernel.cpp
@@ -0,0 +1,582 @@
+/*
+ * Copyright (c) 2016, 2017 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 "arm_compute/core/NEON/kernels/NEColorConvertKernel.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/IAccessWindow.h"
+#include "arm_compute/core/IMultiImage.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/MultiImageInfo.h"
+#include "arm_compute/core/NEON/NEColorConvertHelper.inl"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/core/Window.h"
+
+using namespace arm_compute;
+
+NEColorConvertKernel::NEColorConvertKernel()
+    : _input(nullptr), _output(nullptr), _func(nullptr)
+{
+}
+
+void NEColorConvertKernel::configure(const ITensor *input, ITensor *output)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
+
+    set_shape_if_empty(*output->info(), input->info()->tensor_shape());
+
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output);
+
+    unsigned int num_elems_processed_per_iteration = 0;
+
+    switch(input->info()->format())
+    {
+        case Format::RGBA8888:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_rgbx_to_rgb;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::UYVY422:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_yuyv_to_rgb<false, false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::RGBA8888:
+                    _func                             = colorconvert_yuyv_to_rgb<false, true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::YUYV422:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_yuyv_to_rgb<true, false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::RGBA8888:
+                    _func                             = colorconvert_yuyv_to_rgb<true, true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::RGB888:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGBA8888:
+                    _func                             = colorconvert_rgb_to_rgbx;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+            break;
+    }
+
+    _input  = input;
+    _output = output;
+
+    // Configure kernel window
+    Window                 win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration));
+    AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
+
+    update_window_and_padding(win, input_access, output_access);
+
+    output_access.set_valid_region(win, input->info()->valid_region());
+
+    INEKernel::configure(win);
+}
+
+void NEColorConvertKernel::configure(const IMultiImage *input, IImage *output)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
+    ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(output);
+
+    set_shape_if_empty(*output->info(), input->plane(0)->info()->tensor_shape());
+
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input->plane(0), output);
+
+    unsigned int num_elems_processed_per_iteration = 0;
+
+    switch(input->info()->format())
+    {
+        case Format::NV12:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_nv12_to_rgb<true, false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::RGBA8888:
+                    _func                             = colorconvert_nv12_to_rgb<true, true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::NV21:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_nv12_to_rgb<false, false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::RGBA8888:
+                    _func                             = colorconvert_nv12_to_rgb<false, true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::IYUV:
+        {
+            switch(output->info()->format())
+            {
+                case Format::RGB888:
+                    _func                             = colorconvert_iyuv_to_rgb<false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::RGBA8888:
+                    _func                             = colorconvert_iyuv_to_rgb<true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+            break;
+    }
+
+    _input  = input;
+    _output = output;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration));
+    win.set_dimension_step(Window::DimY, 2);
+
+    unsigned int input_plane_count = 3;
+
+    if(input->info()->format() == Format::NV12 || input->info()->format() == Format::NV21)
+    {
+        input_plane_count = 2;
+    }
+
+    AccessWindowHorizontal input0_access(input->plane(0)->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowRectangle  input1_access(input->plane(1)->info(), 0, 0, num_elems_processed_per_iteration, 1, 0.5f, 0.5f);
+    AccessWindowRectangle  input2_access(input_plane_count == 2 ? nullptr : input->plane(2)->info(), 0, 0, num_elems_processed_per_iteration, 1, 0.5f, 0.5f);
+    AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
+
+    update_window_and_padding(win,
+                              input0_access, input1_access, input2_access,
+                              output_access);
+
+    ValidRegion intersect_region = intersect_valid_regions(input->plane(0)->info()->valid_region(),
+                                                           input->plane(1)->info()->valid_region());
+
+    if(input_plane_count == 3)
+    {
+        intersect_region = intersect_valid_regions(intersect_region, input->plane(2)->info()->valid_region());
+    }
+
+    output_access.set_valid_region(win, intersect_region);
+
+    INEKernel::configure(win);
+}
+
+void NEColorConvertKernel::configure(const IImage *input, IMultiImage *output)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
+    ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input);
+
+    set_shape_if_empty(*output->plane(0)->info(), input->info()->tensor_shape());
+
+    switch(output->info()->format())
+    {
+        case Format::NV12:
+        {
+            TensorShape subsampled_shape = input->info()->tensor_shape();
+            subsampled_shape.set(0, subsampled_shape[0] / 2);
+            subsampled_shape.set(1, subsampled_shape[1] / 2);
+
+            set_shape_if_empty(*output->plane(1)->info(), subsampled_shape);
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(1)->info()->tensor_shape());
+            break;
+        }
+        case Format::IYUV:
+        {
+            TensorShape subsampled_shape = input->info()->tensor_shape();
+            subsampled_shape.set(0, subsampled_shape[0] / 2);
+            subsampled_shape.set(1, subsampled_shape[1] / 2);
+
+            set_shape_if_empty(*output->plane(1)->info(), subsampled_shape);
+            set_shape_if_empty(*output->plane(2)->info(), subsampled_shape);
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(1)->info()->tensor_shape());
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(2)->info()->tensor_shape());
+            break;
+        }
+        case Format::YUV444:
+            set_shape_if_empty(*output->plane(1)->info(), input->info()->tensor_shape());
+            set_shape_if_empty(*output->plane(2)->info(), input->info()->tensor_shape());
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output->plane(1));
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output->plane(2));
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+    }
+
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output->plane(0));
+
+    unsigned int num_elems_processed_per_iteration = 0;
+
+    switch(input->info()->format())
+    {
+        case Format::RGB888:
+        {
+            switch(output->info()->format())
+            {
+                case Format::NV12:
+                    _func                             = colorconvert_rgb_to_nv12<false>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                case Format::IYUV:
+                    _func                             = colorconvert_rgb_to_iyuv<false>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                case Format::YUV444:
+                    _func                             = colorconvert_rgb_to_yuv4<false>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::RGBA8888:
+        {
+            switch(output->info()->format())
+            {
+                case Format::NV12:
+                    _func                             = colorconvert_rgb_to_nv12<true>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                case Format::IYUV:
+                    _func                             = colorconvert_rgb_to_iyuv<true>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                case Format::YUV444:
+                    _func                             = colorconvert_rgb_to_yuv4<true>;
+                    num_elems_processed_per_iteration = 16;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::UYVY422:
+        {
+            switch(output->info()->format())
+            {
+                case Format::NV12:
+                    _func                             = colorconvert_yuyv_to_nv12<false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::IYUV:
+                    _func                             = colorconvert_yuyv_to_iyuv<false>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::YUYV422:
+        {
+            switch(output->info()->format())
+            {
+                case Format::NV12:
+                    _func                             = colorconvert_yuyv_to_nv12<true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                case Format::IYUV:
+                    _func                             = colorconvert_yuyv_to_iyuv<true>;
+                    num_elems_processed_per_iteration = 32;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+            break;
+    }
+
+    _input  = input;
+    _output = output;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration));
+
+    float sub_sampling = 1.f;
+
+    if((input->info()->format() != Format::RGB888 || output->info()->format() != Format::YUV444) && (input->info()->format() != Format::RGBA8888 || output->info()->format() != Format::YUV444))
+    {
+        win.set_dimension_step(Window::DimY, 2);
+        sub_sampling = 0.5f;
+    }
+
+    unsigned int output_plane_count = 3;
+
+    if(output->info()->format() == Format::NV12 || output->info()->format() == Format::NV21)
+    {
+        output_plane_count = 2;
+    }
+
+    AccessWindowHorizontal output0_access(output->plane(0)->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowRectangle  output1_access(output->plane(1)->info(), 0, 0, num_elems_processed_per_iteration, 1, sub_sampling, sub_sampling);
+    AccessWindowRectangle  output2_access(output_plane_count == 2 ? nullptr : output->plane(2)->info(), 0, 0, num_elems_processed_per_iteration, 1, sub_sampling, sub_sampling);
+
+    update_window_and_padding(win,
+                              AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration),
+                              output0_access,
+                              output1_access,
+                              output2_access);
+
+    output0_access.set_valid_region(win, input->info()->valid_region());
+    output1_access.set_valid_region(win, input->info()->valid_region());
+    output2_access.set_valid_region(win, input->info()->valid_region());
+
+    INEKernel::configure(win);
+}
+
+void NEColorConvertKernel::configure(const IMultiImage *input, IMultiImage *output)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
+    ARM_COMPUTE_ERROR_ON(input == output);
+
+    set_shape_if_empty(*output->plane(0)->info(), input->plane(0)->info()->tensor_shape());
+
+    switch(output->info()->format())
+    {
+        case Format::NV12:
+        {
+            TensorShape subsampled_shape = input->plane(0)->info()->tensor_shape();
+            subsampled_shape.set(0, subsampled_shape[0] / 2);
+            subsampled_shape.set(1, subsampled_shape[1] / 2);
+
+            set_shape_if_empty(*output->plane(1)->info(), subsampled_shape);
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(1)->info()->tensor_shape());
+            break;
+        }
+        case Format::IYUV:
+        {
+            TensorShape subsampled_shape = input->plane(0)->info()->tensor_shape();
+            subsampled_shape.set(0, subsampled_shape[0] / 2);
+            subsampled_shape.set(1, subsampled_shape[1] / 2);
+
+            set_shape_if_empty(*output->plane(1)->info(), subsampled_shape);
+            set_shape_if_empty(*output->plane(2)->info(), subsampled_shape);
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(1)->info()->tensor_shape());
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(subsampled_shape, output->plane(2)->info()->tensor_shape());
+            break;
+        }
+        case Format::YUV444:
+            set_shape_if_empty(*output->plane(1)->info(), input->plane(0)->info()->tensor_shape());
+            set_shape_if_empty(*output->plane(2)->info(), input->plane(0)->info()->tensor_shape());
+
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input->plane(0), output->plane(1));
+            ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input->plane(0), output->plane(2));
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+    }
+
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input->plane(0), output->plane(0));
+
+    switch(input->info()->format())
+    {
+        case Format::NV12:
+        {
+            switch(output->info()->format())
+            {
+                case Format::IYUV:
+                    _func = colorconvert_nv12_to_iyuv<true>;
+                    break;
+                case Format::YUV444:
+                    _func = colorconvert_nv12_to_yuv4<true>;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::NV21:
+        {
+            switch(output->info()->format())
+            {
+                case Format::IYUV:
+                    _func = colorconvert_nv12_to_iyuv<false>;
+                    break;
+                case Format::YUV444:
+                    _func = colorconvert_nv12_to_yuv4<false>;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        case Format::IYUV:
+        {
+            switch(output->info()->format())
+            {
+                case Format::NV12:
+                    _func = colorconvert_iyuv_to_nv12;
+                    break;
+                case Format::YUV444:
+                    _func = colorconvert_iyuv_to_yuv4;
+                    break;
+                default:
+                    ARM_COMPUTE_ERROR("Not supported");
+                    break;
+            }
+            break;
+        }
+        default:
+            ARM_COMPUTE_ERROR("Not supported");
+            break;
+    }
+
+    _input  = input;
+    _output = output;
+
+    constexpr unsigned int num_elems_processed_per_iteration = 32;
+    constexpr float        input_sub_sampling                = 0.5f;
+    const float            output_sub_sampling               = output->info()->format() == Format::YUV444 ? 1.f : 0.5f;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*input->plane(0)->info(), Steps(num_elems_processed_per_iteration));
+    win.set_dimension_step(Window::DimY, 2);
+
+    unsigned int input_plane_count = 3;
+
+    if(input->info()->format() == Format::NV12 || input->info()->format() == Format::NV21)
+    {
+        input_plane_count = 2;
+    }
+
+    unsigned int output_plane_count = 3;
+
+    if(output->info()->format() == Format::NV12 || output->info()->format() == Format::NV21)
+    {
+        output_plane_count = 2;
+    }
+
+    AccessWindowHorizontal output0_access(output->plane(0)->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowRectangle  output1_access(output->plane(1)->info(), 0, 0, num_elems_processed_per_iteration, 1, output_sub_sampling, output_sub_sampling);
+    AccessWindowRectangle  output2_access(output_plane_count == 2 ? nullptr : output->plane(2)->info(), 0, 0, num_elems_processed_per_iteration, 1, output_sub_sampling, output_sub_sampling);
+
+    update_window_and_padding(win,
+                              AccessWindowHorizontal(input->plane(0)->info(), 0, num_elems_processed_per_iteration),
+                              AccessWindowRectangle(input->plane(1)->info(), 0, 0, num_elems_processed_per_iteration, 1, input_sub_sampling, input_sub_sampling),
+                              AccessWindowRectangle(input_plane_count == 2 ? nullptr : input->plane(2)->info(), 0, 0, num_elems_processed_per_iteration, 1, input_sub_sampling, input_sub_sampling),
+                              output0_access,
+                              output1_access,
+                              output2_access);
+
+    ValidRegion intersect_region = intersect_valid_regions(input->plane(0)->info()->valid_region(),
+                                                           input->plane(1)->info()->valid_region());
+
+    if(input_plane_count == 3)
+    {
+        intersect_region = intersect_valid_regions(intersect_region, input->plane(2)->info()->valid_region());
+    }
+
+    output0_access.set_valid_region(win, intersect_region);
+    output1_access.set_valid_region(win, intersect_region);
+    output2_access.set_valid_region(win, intersect_region);
+
+    INEKernel::configure(win);
+}
+
+void NEColorConvertKernel::run(const Window &window)
+{
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
+    ARM_COMPUTE_ERROR_ON(_func == nullptr);
+
+    (*_func)(_input, _output, window);
+}