/*
 * Copyright Samsung Electronics Co.,LTD.
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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.
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/mman.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <math.h>
#include <sys/poll.h>

#include <cutils/log.h>

#include <utils/Log.h>

#include "ExynosJpegApi.h"

#define JPEG_ERROR_LOG(fmt,...)

#define NUM_JPEG_ENC_IN_PLANES (1)
#define NUM_JPEG_ENC_OUT_PLANES (1)

#define NUM_JPEG_ENC_IN_BUFS (1)
#define NUM_JPEG_ENC_OUT_BUFS (1)

ExynosJpegEncoder::ExynosJpegEncoder()
{
    t_iJpegFd = -1;
    t_bFlagCreate = false;
}

ExynosJpegEncoder::~ExynosJpegEncoder()
{
    if (t_bFlagCreate == true) {
        this->destroy();
    }
}

int ExynosJpegEncoder::create(void)
{
    return ExynosJpegBase::create(MODE_ENCODE);
}

int ExynosJpegEncoder::destroy(void)
{
    return ExynosJpegBase::destroy(NUM_JPEG_ENC_IN_BUFS, NUM_JPEG_ENC_OUT_BUFS);
}

int ExynosJpegEncoder::setJpegConfig(void *pConfig)
{
    return ExynosJpegBase::setJpegConfig(MODE_ENCODE, pConfig);
}

 int ExynosJpegEncoder::getInBuf(int *piBuf, int *piInputSize, int iSize)
{
    return getBuf(t_bFlagCreateInBuf, &t_stJpegInbuf, piBuf, piInputSize, iSize, t_iPlaneNum);
}

int ExynosJpegEncoder::getOutBuf(int *piBuf, int *piOutputSize)
{
    return getBuf(t_bFlagCreateOutBuf, &t_stJpegOutbuf, piBuf, piOutputSize, \
        NUM_JPEG_ENC_OUT_PLANES, NUM_JPEG_ENC_OUT_PLANES);
}

int ExynosJpegEncoder::setInBuf(int *piBuf, int *iSize)
{
    int iRet = ERROR_NONE;
    iRet = setBuf(&t_stJpegInbuf, piBuf, iSize, t_iPlaneNum);

    if (iRet == ERROR_NONE) {
        t_bFlagCreateInBuf = true;
    }

    return iRet;
}

int  ExynosJpegEncoder::setOutBuf(int iBuf, int iSize)
{
    int iRet = ERROR_NONE;
    iRet = setBuf(&t_stJpegOutbuf, &iBuf, &iSize, NUM_JPEG_ENC_OUT_PLANES);

    if (iRet == ERROR_NONE) {
        t_bFlagCreateOutBuf = true;
    }

    return iRet;
}

int ExynosJpegEncoder::getSize(int *piW, int *piH)
{
    if (t_bFlagCreate == false) {
        return ERROR_JPEG_DEVICE_NOT_CREATE_YET;
    }

    if (t_stJpegConfig.width == 0 && t_stJpegConfig.height == 0) {
        return ERROR_SIZE_NOT_SET_YET;
    }

    *piW = t_stJpegConfig.width;
    *piH = t_stJpegConfig.height;

    return ERROR_NONE;
}

int ExynosJpegEncoder::getColorFormat(void)
{
    return t_stJpegConfig.pix.enc_fmt.in_fmt;
}

int ExynosJpegEncoder::setColorFormat(int iV4l2ColorFormat)
{
    return ExynosJpegBase::setColorFormat(MODE_ENCODE, iV4l2ColorFormat);
}

int ExynosJpegEncoder::setJpegFormat(int iV4l2JpegFormat)
{
    return ExynosJpegBase::setJpegFormat(MODE_ENCODE, iV4l2JpegFormat);
}

int ExynosJpegEncoder::setColorBufSize(int *piBufSize, int iSize)
{
    return ExynosJpegBase::setColorBufSize(MODE_ENCODE, piBufSize, iSize);
}

int ExynosJpegEncoder::updateConfig(void)
{
    return ExynosJpegBase::updateConfig(MODE_ENCODE, \
        NUM_JPEG_ENC_IN_BUFS, NUM_JPEG_ENC_OUT_BUFS, \
        NUM_JPEG_ENC_IN_PLANES, NUM_JPEG_ENC_OUT_PLANES);
}

int ExynosJpegEncoder::setQuality(int iV4l2Quality)
{
    if (t_bFlagCreate == false) {
        return ERROR_JPEG_DEVICE_NOT_CREATE_YET;
    }

    if (iV4l2Quality >= 90)
        t_stJpegConfig.enc_qual = QUALITY_LEVEL_1;
    else if (iV4l2Quality >= 80)
        t_stJpegConfig.enc_qual = QUALITY_LEVEL_2;
    else if (iV4l2Quality >= 70)
        t_stJpegConfig.enc_qual = QUALITY_LEVEL_3;
    else
        t_stJpegConfig.enc_qual = QUALITY_LEVEL_4;

    return ERROR_NONE;
}

int ExynosJpegEncoder::getJpegSize(void)
{
    if (t_bFlagCreate == false) {
        return 0;
    }

    int iSize = -1;
#ifdef KERNEL_33_JPEG_API
    iSize = t_stJpegConfig.sizeJpeg;
#else
    iSize = t_v4l2GetCtrl(t_iJpegFd, V4L2_CID_CAM_JPEG_ENCODEDSIZE);
#endif

    if (iSize < 0) {
        JPEG_ERROR_LOG("%s::Fail to JPEG output buffer!!\n", __func__);
        return 0;
    }

    return iSize;
}

int ExynosJpegEncoder::encode(void)
{
    return ExynosJpegBase::execute(t_iPlaneNum, NUM_JPEG_ENC_OUT_PLANES);
}