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/*
 * 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_COLORCONVERTKERNEL_H
#define ARM_COMPUTE_COLORCONVERTKERNEL_H

#include "arm_compute/core/NEON/INEKernel.h"

namespace arm_compute
{
class IMultiImage;
class ITensor;
using IImage = ITensor;

/** Interface for the color convert kernel */
class NEColorConvertKernel : public INEKernel
{
public:
    const char *name() const override
    {
        return "NEColorConvertKernel";
    }
    /** Default constructor */
    NEColorConvertKernel();
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    NEColorConvertKernel(const NEColorConvertKernel &) = delete;
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    NEColorConvertKernel &operator=(const NEColorConvertKernel &) = delete;
    /** Allow instances of this class to be moved */
    NEColorConvertKernel(NEColorConvertKernel &&) = default;
    /** Allow instances of this class to be moved */
    NEColorConvertKernel &operator=(NEColorConvertKernel &&) = default;
    /** Default destructor */
    ~NEColorConvertKernel() = default;

    /** Set the input and output of the kernel
     *
     * @param[in]  input  Source tensor. Formats supported: RGBA8888/UYVY422/YUYV422/RGB888
     * @param[out] output Destination tensor. Formats supported: RGB888 (if the formats of @p input are RGBA8888/UYVY422/YUYV422),
     *                                                          RGBA8888 (if the formats of @p input are UYVY422/YUYV422/RGB888/),
     *                                                          U8 (if the formats of @p input is RGB888)
     */
    void configure(const ITensor *input, ITensor *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Multi-planar source image. Formats supported: NV12/NV21/IYUV
     * @param[out] output Single-planar destination image. Formats supported: RGB888/RGBA8888
     */
    void configure(const IMultiImage *input, IImage *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Single-planar source image. Formats supported: RGB888/RGBA8888/UYVY422/YUYV422
     * @param[out] output Multi-planar destination image. Formats supported: NV12/IYUV/YUV444 (if the formats of @p input are RGB888/RGB8888)
     */
    void configure(const IImage *input, IMultiImage *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Multi-planar source image. Formats supported: NV12/NV21/IYUV
     * @param[out] output Multi-planar destination image. Formats supported: YUV444/IYUV (if the formats of @p input are NV12/NV21)/NV12 (if the format of  @p input is IYUV)
     */
    void configure(const IMultiImage *input, IMultiImage *output);

    // Inherited methods overridden:
    void run(const Window &window, const ThreadInfo &info) override;

private:
    using ColorConvertFunction = void(const void *__restrict input_ptr, void *__restrict output_ptr, const Window &win);
    const void           *_input;
    void                 *_output;
    ColorConvertFunction *_func;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_NECOLORCONVERTKERNEL_H */