libvision/kernel/vpu/ExynosVpuKernelEqualizeHist.h

/*
 * Copyright (C) 2015, Samsung Electronics Co. LTD
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef EXYNOS_VPU_KERNEL_EQUALIZEHIST_H
#define EXYNOS_VPU_KERNEL_EQUALIZEHIST_H

#include <VX/vx.h>
#include <VX/vx_internal.h>
#include <VX/vx_api.h>
#include <VX/vx_helper.h>

#include "ExynosVpuKernel.h"
#include "ExynosVpuTaskIf.h"
#include "ExynosVpuVertex.h"
#include "ExynosVpuSubchain.h"
#include "ExynosVpuPu.h"

#define HOST_HISTOGRAM_PROCESS  1

namespace android {

class ExynosVpuKernelEqualizeHist : public ExynosVpuKernel {
private:
    void *m_histogram_ptr;
    vx_uint32 m_total_pixel_num;

public:

private:
    vx_status setupBaseVxInfo(const vx_reference parameters[]);
    vx_status initTask(vx_node node, const vx_reference *parameters);
    vx_status updateTaskParamFromVX(vx_node node, const vx_reference *parameters);
    vx_status initVxIo(const vx_reference *parameters);

    vx_status initTaskFromBinary(void);
    vx_status initTaskFromApi(void);

    ExynosVpuTaskIf* initTask0FromBinary(void);
    ExynosVpuTaskIf* initTask1FromBinary(void);
    ExynosVpuTaskIf* initTask0FromApi(void);

public:
    /* Contructor */
    ExynosVpuKernelEqualizeHist(vx_char *name, vx_uint32 param_num);

    /* Destructor */
    virtual ~ExynosVpuKernelEqualizeHist();

    static vx_status inputValidator(vx_node node, vx_uint32 index);
    static vx_status outputValidator(vx_node node, vx_uint32 index, vx_meta_format meta);

    void* getHistogramPtr(void);
    vx_uint32 getTotalPixelNum(void);
};

#if (HOST_HISTOGRAM_PROCESS==1)
class ExynosVpuTaskIfWrapperEqualHist : public ExynosVpuTaskIfWrapper {
public:
    vx_status processTask(const vx_reference parameters[], vx_uint32 frame_number);

public:
    ExynosVpuTaskIfWrapperEqualHist(ExynosVpuKernel *kernel, vx_uint32 task_index);
};
#endif

class ExynosVpuTaskIfWrapperEqualLut : public ExynosVpuTaskIfWrapper {
private:
    vx_status preProcessTask(const vx_reference parameters[]);

public:
    ExynosVpuTaskIfWrapperEqualLut(ExynosVpuKernelEqualizeHist *kernel, vx_uint32 task_index);
};

}; // namespace android
#endif