/libcamera/SecCamera.cpp

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/*
 * Copyright 2008, The Android Open Source Project
 * Copyright 2010, 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.
 */

/*
************************************
* Filename: SecCamera.cpp
* Author:   Sachin P. Kamat
* Purpose:  This file interacts with the Camera and JPEG drivers.
*************************************
*/

//#define LOG_NDEBUG 0
#define LOG_TAG "SecCamera"

#include <utils/Log.h>

#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <sys/poll.h>
#include "SecCamera.h"
#include "cutils/properties.h"

using namespace android;

#define CHECK(return_value)                                          \
    if (return_value < 0) {                                          \
        LOGE("%s::%d fail. errno: %s, m_camera_id = %d\n",           \
             __func__, __LINE__, strerror(errno), m_camera_id);      \
        return -1;                                                   \
    }


#define CHECK_PTR(return_value)                                      \
    if (return_value < 0) {                                          \
        LOGE("%s::%d fail, errno: %s, m_camera_id = %d\n",           \
             __func__,__LINE__, strerror(errno), m_camera_id);       \
        return NULL;                                                 \
    }

#define ALIGN_TO_32B(x)   ((((x) + (1 <<  5) - 1) >>  5) <<  5)
#define ALIGN_TO_128B(x)  ((((x) + (1 <<  7) - 1) >>  7) <<  7)
#define ALIGN_TO_8KB(x)   ((((x) + (1 << 13) - 1) >> 13) << 13)

namespace android {

// ======================================================================
// Camera controls

static struct timeval time_start;
static struct timeval time_stop;

unsigned long measure_time(struct timeval *start, struct timeval *stop)
{
    unsigned long sec, usec, time;

    sec = stop->tv_sec - start->tv_sec;

    if (stop->tv_usec >= start->tv_usec) {
        usec = stop->tv_usec - start->tv_usec;
    } else {
        usec = stop->tv_usec + 1000000 - start->tv_usec;
        sec--;
    }

    time = (sec * 1000000) + usec;

    return time;
}

static int get_pixel_depth(unsigned int fmt)
{
    int depth = 0;

    switch (fmt) {
    case V4L2_PIX_FMT_NV12:
        depth = 12;
        break;
    case V4L2_PIX_FMT_NV12T:
        depth = 12;
        break;
    case V4L2_PIX_FMT_NV21:
        depth = 12;
        break;
    case V4L2_PIX_FMT_YUV420:
        depth = 12;
        break;

    case V4L2_PIX_FMT_RGB565:
    case V4L2_PIX_FMT_YUYV:
    case V4L2_PIX_FMT_YVYU:
    case V4L2_PIX_FMT_UYVY:
    case V4L2_PIX_FMT_VYUY:
    case V4L2_PIX_FMT_NV16:
    case V4L2_PIX_FMT_NV61:
    case V4L2_PIX_FMT_YUV422P:
        depth = 16;
        break;

    case V4L2_PIX_FMT_RGB32:
        depth = 32;
        break;
    }

    return depth;
}

#define ALIGN_W(x)      (((x) + 0x7F) & (~0x7F))    // Set as multiple of 128
#define ALIGN_H(x)      (((x) + 0x1F) & (~0x1F))    // Set as multiple of 32
#define ALIGN_BUF(x)    (((x) + 0x1FFF)& (~0x1FFF)) // Set as multiple of 8K

static int fimc_poll(struct pollfd *events)
{
    int ret;

    /* 10 second delay is because sensor can take a long time
     * to do auto focus and capture in dark settings
     */
    ret = poll(events, 1, 10000);
    if (ret < 0) {
        LOGE("ERR(%s):poll error\n", __func__);
        return ret;
    }

    if (ret == 0) {
        LOGE("ERR(%s):No data in 10 secs..\n", __func__);
        return ret;
    }

    return ret;
}

int SecCamera::previewPoll(bool preview)
{
    int ret;

    if (preview) {
#ifdef ENABLE_ESD_PREVIEW_CHECK
        int status = 0;

        if (!(++m_esd_check_count % 60)) {
            status = getCameraSensorESDStatus();
            m_esd_check_count = 0;
            if (status) {
               LOGE("ERR(%s) ESD status(%d)", __func__, status);
               return status;
            }
        }
#endif

        ret = poll(&m_events_c, 1, 1000);
    } else {
        ret = poll(&m_events_c2, 1, 1000);
    }

    if (ret < 0) {
        LOGE("ERR(%s):poll error\n", __func__);
        return ret;
    }

    if (ret == 0) {
        LOGE("ERR(%s):No data in 1 secs.. Camera Device Reset \n", __func__);
        return ret;
    }

    return ret;
}

static int fimc_v4l2_querycap(int fp)
{
    struct v4l2_capability cap;
    int ret = 0;

    ret = ioctl(fp, VIDIOC_QUERYCAP, &cap);

    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_QUERYCAP failed\n", __func__);
        return -1;
    }

    if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
        LOGE("ERR(%s):no capture devices\n", __func__);
        return -1;
    }

    return ret;
}

static const __u8* fimc_v4l2_enuminput(int fp, int index)
{
    static struct v4l2_input input;

    input.index = index;
    if (ioctl(fp, VIDIOC_ENUMINPUT, &input) != 0) {
        LOGE("ERR(%s):No matching index found\n", __func__);
        return NULL;
    }
    LOGI("Name of input channel[%d] is %s\n", input.index, input.name);

    return input.name;
}


static int fimc_v4l2_s_input(int fp, int index)
{
    struct v4l2_input input;
    int ret;

    input.index = index;

    ret = ioctl(fp, VIDIOC_S_INPUT, &input);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_S_INPUT failed\n", __func__);
        return ret;
    }

    return ret;
}

static int fimc_v4l2_s_fmt(int fp, int width, int height, unsigned int fmt, int flag_capture)
{
    struct v4l2_format v4l2_fmt;
    struct v4l2_pix_format pixfmt;
    int ret;

    v4l2_fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

    memset(&pixfmt, 0, sizeof(pixfmt));

    pixfmt.width = width;
    pixfmt.height = height;
    pixfmt.pixelformat = fmt;

    pixfmt.sizeimage = (width * height * get_pixel_depth(fmt)) / 8;

    pixfmt.field = V4L2_FIELD_NONE;

    v4l2_fmt.fmt.pix = pixfmt;

    /* Set up for capture */
    ret = ioctl(fp, VIDIOC_S_FMT, &v4l2_fmt);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_S_FMT failed\n", __func__);
        return -1;
    }

    return 0;
}

static int fimc_v4l2_s_fmt_cap(int fp, int width, int height, unsigned int fmt)
{
    struct v4l2_format v4l2_fmt;
    struct v4l2_pix_format pixfmt;
    int ret;

    memset(&pixfmt, 0, sizeof(pixfmt));

    v4l2_fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

    pixfmt.width = width;
    pixfmt.height = height;
    pixfmt.pixelformat = fmt;
    if (fmt == V4L2_PIX_FMT_JPEG) {
        pixfmt.colorspace = V4L2_COLORSPACE_JPEG;
    }

    pixfmt.sizeimage = (width * height * get_pixel_depth(fmt)) / 8;

    v4l2_fmt.fmt.pix = pixfmt;

    //LOGE("ori_w %d, ori_h %d, w %d, h %d\n", width, height, v4l2_fmt.fmt.pix.width, v4l2_fmt.fmt.pix.height);

    /* Set up for capture */
    ret = ioctl(fp, VIDIOC_S_FMT, &v4l2_fmt);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_S_FMT failed\n", __func__);
        return ret;
    }

    return ret;
}

static int fimc_v4l2_enum_fmt(int fp, unsigned int fmt)
{
    struct v4l2_fmtdesc fmtdesc;
    int found = 0;

    fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    fmtdesc.index = 0;

    while (ioctl(fp, VIDIOC_ENUM_FMT, &fmtdesc) == 0) {
        if (fmtdesc.pixelformat == fmt) {
            LOGV("passed fmt = %#x found pixel format[%d]: %s\n", fmt, fmtdesc.index, fmtdesc.description);
            found = 1;
            break;
        }

        fmtdesc.index++;
    }

    if (!found) {
        LOGE("unsupported pixel format\n");
        return -1;
    }

    return 0;
}

static int fimc_v4l2_reqbufs(int fp, enum v4l2_buf_type type, int nr_bufs)
{
    struct v4l2_requestbuffers req;
    int ret;

    req.count = nr_bufs;
    req.type = type;
    req.memory = V4L2_MEMORY_MMAP;

    ret = ioctl(fp, VIDIOC_REQBUFS, &req);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_REQBUFS failed\n", __func__);
        return -1;
    }

    return req.count;
}

static int fimc_v4l2_querybuf(int fp, struct fimc_buffer *buffer, enum v4l2_buf_type type)
{
    struct v4l2_buffer v4l2_buf;
    int ret;

    LOGI("%s :", __func__);

    v4l2_buf.type = type;
    v4l2_buf.memory = V4L2_MEMORY_MMAP;
    v4l2_buf.index = 0;

    ret = ioctl(fp , VIDIOC_QUERYBUF, &v4l2_buf);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_QUERYBUF failed\n", __func__);
        return -1;
    }

    buffer->length = v4l2_buf.length;
    if ((buffer->start = (char *)mmap(0, v4l2_buf.length,
                                         PROT_READ | PROT_WRITE, MAP_SHARED,
                                         fp, v4l2_buf.m.offset)) < 0) {
         LOGE("%s %d] mmap() failed\n",__func__, __LINE__);
         return -1;
    }

    LOGI("%s: buffer->start = %p v4l2_buf.length = %d",
         __func__, buffer->start, v4l2_buf.length);

    return 0;
}

static int fimc_v4l2_streamon(int fp)
{
    enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    int ret;

    ret = ioctl(fp, VIDIOC_STREAMON, &type);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_STREAMON failed\n", __func__);
        return ret;
    }

    return ret;
}

static int fimc_v4l2_streamoff(int fp)
{
    enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    int ret;

    LOGV("%s :", __func__);
    ret = ioctl(fp, VIDIOC_STREAMOFF, &type);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_STREAMOFF failed\n", __func__);
        return ret;
    }

    return ret;
}

static int fimc_v4l2_qbuf(int fp, int index)
{
    struct v4l2_buffer v4l2_buf;
    int ret;

    v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    v4l2_buf.memory = V4L2_MEMORY_MMAP;
    v4l2_buf.index = index;

    ret = ioctl(fp, VIDIOC_QBUF, &v4l2_buf);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_QBUF failed\n", __func__);
        return ret;
    }

    return 0;
}

static int fimc_v4l2_dqbuf(int fp)
{
    struct v4l2_buffer v4l2_buf;
    int ret;

    v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    v4l2_buf.memory = V4L2_MEMORY_MMAP;

    ret = ioctl(fp, VIDIOC_DQBUF, &v4l2_buf);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_DQBUF failed, dropped frame\n", __func__);
        return ret;
    }

    return v4l2_buf.index;
}

static int fimc_v4l2_g_ctrl(int fp, unsigned int id)
{
    struct v4l2_control ctrl;
    int ret;

    ctrl.id = id;

    ret = ioctl(fp, VIDIOC_G_CTRL, &ctrl);
    if (ret < 0) {
        LOGE("ERR(%s): VIDIOC_G_CTRL(id = 0x%x (%d)) failed, ret = %d\n",
             __func__, id, id-V4L2_CID_PRIVATE_BASE, ret);
        return ret;
    }

    return ctrl.value;
}

static int fimc_v4l2_s_ctrl(int fp, unsigned int id, unsigned int value)
{
    struct v4l2_control ctrl;
    int ret;

    ctrl.id = id;
    ctrl.value = value;

    ret = ioctl(fp, VIDIOC_S_CTRL, &ctrl);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_S_CTRL(id = %#x (%d), value = %d) failed ret = %d\n",
             __func__, id, id-V4L2_CID_PRIVATE_BASE, value, ret);

        return ret;
    }

    return ctrl.value;
}

static int fimc_v4l2_s_ext_ctrl(int fp, unsigned int id, void *value)
{
    struct v4l2_ext_controls ctrls;
    struct v4l2_ext_control ctrl;
    int ret;

    ctrl.id = id;
    ctrl.reserved = value;

    ctrls.ctrl_class = V4L2_CTRL_CLASS_CAMERA;
    ctrls.count = 1;
    ctrls.controls = &ctrl;

    ret = ioctl(fp, VIDIOC_S_EXT_CTRLS, &ctrls);
    if (ret < 0)
        LOGE("ERR(%s):VIDIOC_S_EXT_CTRLS failed\n", __func__);

    return ret;
}

static int fimc_v4l2_g_parm(int fp, struct v4l2_streamparm *streamparm)
{
    int ret;

    streamparm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

    ret = ioctl(fp, VIDIOC_G_PARM, streamparm);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_G_PARM failed\n", __func__);
        return -1;
    }

    LOGV("%s : timeperframe: numerator %d, denominator %d\n", __func__,
            streamparm->parm.capture.timeperframe.numerator,
            streamparm->parm.capture.timeperframe.denominator);

    return 0;
}

static int fimc_v4l2_s_parm(int fp, struct v4l2_streamparm *streamparm)
{
    int ret;

    streamparm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

    ret = ioctl(fp, VIDIOC_S_PARM, streamparm);
    if (ret < 0) {
        LOGE("ERR(%s):VIDIOC_S_PARM failed\n", __func__);
        return ret;
    }

    return 0;
}

// ======================================================================
// Constructor & Destructor

SecCamera::SecCamera() :
            m_flag_init(0),
            m_camera_id(CAMERA_ID_BACK),
            m_cam_fd(-1),
            m_cam_fd2(-1),
            m_preview_v4lformat(V4L2_PIX_FMT_NV21),
            m_preview_width      (0),
            m_preview_height     (0),
            m_preview_max_width  (MAX_BACK_CAMERA_PREVIEW_WIDTH),
            m_preview_max_height (MAX_BACK_CAMERA_PREVIEW_HEIGHT),
            m_snapshot_v4lformat(-1),
            m_snapshot_width      (0),
            m_snapshot_height     (0),
            m_snapshot_max_width  (MAX_BACK_CAMERA_SNAPSHOT_WIDTH),
            m_snapshot_max_height (MAX_BACK_CAMERA_SNAPSHOT_HEIGHT),
            m_angle(-1),
            m_anti_banding(-1),
            m_wdr(-1),
            m_anti_shake(-1),
            m_zoom_level(-1),
            m_object_tracking(-1),
            m_smart_auto(-1),
            m_beauty_shot(-1),
            m_vintage_mode(-1),
            m_face_detect(-1),
            m_gps_enabled(false),
            m_gps_latitude(-1),
            m_gps_longitude(-1),
            m_gps_altitude(-1),
            m_gps_timestamp(-1),
            m_vtmode(0),
            m_sensor_mode(-1),
            m_shot_mode(-1),
            m_exif_orientation(-1),
            m_blur_level(-1),
            m_chk_dataline(-1),
            m_video_gamma(-1),
            m_slow_ae(-1),
            m_camera_af_flag(-1),
            m_flag_camera_start(0),
            m_jpeg_thumbnail_width (0),
            m_jpeg_thumbnail_height(0),
            m_jpeg_quality(100)
#ifdef ENABLE_ESD_PREVIEW_CHECK
            ,
            m_esd_check_count(0)
#endif // ENABLE_ESD_PREVIEW_CHECK
{
    m_params = (struct sec_cam_parm*)&m_streamparm.parm.raw_data;
    struct v4l2_captureparm capture;
    m_params->capture.timeperframe.numerator = 1;
    m_params->capture.timeperframe.denominator = 0;
    m_params->contrast = -1;
    m_params->effects = -1;
    m_params->brightness = -1;
    m_params->flash_mode = -1;
    m_params->focus_mode = -1;
    m_params->iso = -1;
    m_params->metering = -1;
    m_params->saturation = -1;
    m_params->scene_mode = -1;
    m_params->sharpness = -1;
    m_params->white_balance = -1;

    memset(&m_capture_buf, 0, sizeof(m_capture_buf));

    LOGV("%s :", __func__);
}

SecCamera::~SecCamera()
{
    LOGV("%s :", __func__);
}

int SecCamera::initCamera(int index)
{
    LOGV("%s :", __func__);
    int ret = 0;

    if (!m_flag_init) {
        /* Arun C
         * Reset the lense position only during camera starts; don't do
         * reset between shot to shot
         */
        m_camera_af_flag = -1;

        m_cam_fd = open(CAMERA_DEV_NAME, O_RDWR);
        if (m_cam_fd < 0) {
            LOGE("ERR(%s):Cannot open %s (error : %s)\n", __func__, CAMERA_DEV_NAME, strerror(errno));
            return -1;
        }
        LOGV("%s: open(%s) --> m_cam_fd %d", __FUNCTION__, CAMERA_DEV_NAME, m_cam_fd);

        LOGE("initCamera: m_cam_fd(%d), m_jpeg_fd(%d)", m_cam_fd, m_jpeg_fd);

        ret = fimc_v4l2_querycap(m_cam_fd);
        CHECK(ret);
        if (!fimc_v4l2_enuminput(m_cam_fd, index))
            return -1;
        ret = fimc_v4l2_s_input(m_cam_fd, index);
        CHECK(ret);

        m_cam_fd2 = open(CAMERA_DEV_NAME2, O_RDWR);
        LOGV("%s: open(%s) --> m_cam_fd2 = %d", __FUNCTION__, CAMERA_DEV_NAME2, m_cam_fd2);
        if (m_cam_fd2 < 0) {
            LOGE("ERR(%s):Cannot open %s (error : %s)\n", __func__, CAMERA_DEV_NAME2, strerror(errno));
            return -1;
        }

        LOGE("initCamera: m_cam_fd2(%d)", m_cam_fd2);

        ret = fimc_v4l2_querycap(m_cam_fd2);
        CHECK(ret);
        if (!fimc_v4l2_enuminput(m_cam_fd2, index))
            return -1;
        ret = fimc_v4l2_s_input(m_cam_fd2, index);
        CHECK(ret);

        m_camera_id = index;

        switch (m_camera_id) {
        case CAMERA_ID_FRONT:
            m_preview_max_width   = MAX_FRONT_CAMERA_PREVIEW_WIDTH;
            m_preview_max_height  = MAX_FRONT_CAMERA_PREVIEW_HEIGHT;
            m_snapshot_max_width  = MAX_FRONT_CAMERA_SNAPSHOT_WIDTH;
            m_snapshot_max_height = MAX_FRONT_CAMERA_SNAPSHOT_HEIGHT;
            break;

        case CAMERA_ID_BACK:
            m_preview_max_width   = MAX_BACK_CAMERA_PREVIEW_WIDTH;
            m_preview_max_height  = MAX_BACK_CAMERA_PREVIEW_HEIGHT;
            m_snapshot_max_width  = MAX_BACK_CAMERA_SNAPSHOT_WIDTH;
            m_snapshot_max_height = MAX_BACK_CAMERA_SNAPSHOT_HEIGHT;
            break;
        }

        setExifFixedAttribute();

        m_flag_init = 1;
        LOGI("%s : initialized", __FUNCTION__);
    }
    return 0;
}

void SecCamera::resetCamera()
{
    LOGV("%s :", __func__);
    DeinitCamera();
    initCamera(m_camera_id);
}

void SecCamera::DeinitCamera()
{
    LOGV("%s :", __func__);

    if (m_flag_init) {

        stopRecord();

        /* close m_cam_fd after stopRecord() because stopRecord()
         * uses m_cam_fd to change frame rate
         */
        LOGI("DeinitCamera: m_cam_fd(%d)", m_cam_fd);
        if (m_cam_fd > -1) {
            close(m_cam_fd);
            m_cam_fd = -1;
        }

        LOGI("DeinitCamera: m_cam_fd2(%d)", m_cam_fd2);
        if (m_cam_fd2 > -1) {
            close(m_cam_fd2);
            m_cam_fd2 = -1;
        }

        m_flag_init = 0;
    }
    else LOGI("%s : already deinitialized", __FUNCTION__);
}


int SecCamera::getCameraFd(void)
{
    return m_cam_fd;
}

// ======================================================================
// Preview

int SecCamera::startPreview(void)
{
    v4l2_streamparm streamparm;
    struct sec_cam_parm *parms;
    parms = (struct sec_cam_parm*)&streamparm.parm.raw_data;
    LOGV("%s :", __func__);

    // aleady started
    if (m_flag_camera_start > 0) {
        LOGE("ERR(%s):Preview was already started\n", __func__);
        return 0;
    }

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    memset(&m_events_c, 0, sizeof(m_events_c));
    m_events_c.fd = m_cam_fd;
    m_events_c.events = POLLIN | POLLERR;

    /* enum_fmt, s_fmt sample */
    int ret = fimc_v4l2_enum_fmt(m_cam_fd,m_preview_v4lformat);
    CHECK(ret);
    ret = fimc_v4l2_s_fmt(m_cam_fd, m_preview_width,m_preview_height,m_preview_v4lformat, 0);
    CHECK(ret);

    ret = fimc_v4l2_reqbufs(m_cam_fd, V4L2_BUF_TYPE_VIDEO_CAPTURE, MAX_BUFFERS);
    CHECK(ret);

    LOGV("%s : m_preview_width: %d m_preview_height: %d m_angle: %d\n",
            __func__, m_preview_width, m_preview_height, m_angle);

    ret = fimc_v4l2_s_ctrl(m_cam_fd,
                           V4L2_CID_CAMERA_CHECK_DATALINE, m_chk_dataline);
    CHECK(ret);

    if (m_camera_id == CAMERA_ID_FRONT) {
        /* VT mode setting */
        ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_VT_MODE, m_vtmode);
        CHECK(ret);
    }

    /* start with all buffers in queue */
    for (int i = 0; i < MAX_BUFFERS; i++) {
        ret = fimc_v4l2_qbuf(m_cam_fd, i);
        CHECK(ret);
    }

    ret = fimc_v4l2_streamon(m_cam_fd);
    CHECK(ret);

    m_flag_camera_start = 1;

    ret = fimc_v4l2_s_parm(m_cam_fd, &m_streamparm);
    CHECK(ret);

    if (m_camera_id == CAMERA_ID_FRONT) {
        /* Blur setting */
        LOGV("m_blur_level = %d", m_blur_level);
        ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_VGA_BLUR,
                               m_blur_level);
        CHECK(ret);
    }

    // It is a delay for a new frame, not to show the previous bigger ugly picture frame.
    ret = fimc_poll(&m_events_c);
    CHECK(ret);
    ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_RETURN_FOCUS, 0);
    CHECK(ret);

    LOGV("%s: got the first frame of the preview\n", __func__);

    return 0;
}

int SecCamera::stopPreview(void)
{
    int ret;

    LOGV("%s :", __func__);

    if (m_flag_camera_start == 0) {
        LOGW("%s: doing nothing because m_flag_camera_start is zero", __func__);
        return 0;
    }

    if (m_params->flash_mode == FLASH_MODE_TORCH)
        setFlashMode(FLASH_MODE_OFF);

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    ret = fimc_v4l2_streamoff(m_cam_fd);
    CHECK(ret);

    m_flag_camera_start = 0;

    return ret;
}

//Recording
int SecCamera::startRecord(void)
{
    int ret, i;

    LOGV("%s :", __func__);

    // aleady started
    if (m_flag_record_start > 0) {
        LOGE("ERR(%s):Preview was already started\n", __func__);
        return 0;
    }

    if (m_cam_fd2 <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    /* enum_fmt, s_fmt sample */
    ret = fimc_v4l2_enum_fmt(m_cam_fd2, V4L2_PIX_FMT_NV12T);
    CHECK(ret);

    LOGI("%s: m_recording_width = %d, m_recording_height = %d\n",
         __func__, m_recording_width, m_recording_height);

    ret = fimc_v4l2_s_fmt(m_cam_fd2, m_recording_width,
                          m_recording_height, V4L2_PIX_FMT_NV12T, 0);
    CHECK(ret);

    ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_FRAME_RATE,
                            m_params->capture.timeperframe.denominator);
    CHECK(ret);

    ret = fimc_v4l2_reqbufs(m_cam_fd2, V4L2_BUF_TYPE_VIDEO_CAPTURE, MAX_BUFFERS);
    CHECK(ret);

    /* start with all buffers in queue */
    for (i = 0; i < MAX_BUFFERS; i++) {
        ret = fimc_v4l2_qbuf(m_cam_fd2, i);
        CHECK(ret);
    }

    ret = fimc_v4l2_streamon(m_cam_fd2);
    CHECK(ret);

    // Get and throw away the first frame since it is often garbled.
    memset(&m_events_c2, 0, sizeof(m_events_c2));
    m_events_c2.fd = m_cam_fd2;
    m_events_c2.events = POLLIN | POLLERR;
    ret = fimc_poll(&m_events_c2);
    CHECK(ret);

    m_flag_record_start = 1;

    return 0;
}

int SecCamera::stopRecord(void)
{
    int ret;

    LOGV("%s :", __func__);

    if (m_flag_record_start == 0) {
        LOGW("%s: doing nothing because m_flag_record_start is zero", __func__);
        return 0;
    }

    if (m_cam_fd2 <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    m_flag_record_start = 0;

    ret = fimc_v4l2_streamoff(m_cam_fd2);
    CHECK(ret);

    ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_FRAME_RATE,
                            FRAME_RATE_AUTO);
    CHECK(ret);

    return 0;
}

unsigned int SecCamera::getRecPhyAddrY(int index)
{
    unsigned int addr_y;

    addr_y = fimc_v4l2_s_ctrl(m_cam_fd2, V4L2_CID_PADDR_Y, index);
    CHECK((int)addr_y);
    return addr_y;
}

unsigned int SecCamera::getRecPhyAddrC(int index)
{
    unsigned int addr_c;

    addr_c = fimc_v4l2_s_ctrl(m_cam_fd2, V4L2_CID_PADDR_CBCR, index);
    CHECK((int)addr_c);
    return addr_c;
}

unsigned int SecCamera::getPhyAddrY(int index)
{
    unsigned int addr_y;

    addr_y = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_PADDR_Y, index);
    CHECK((int)addr_y);
    return addr_y;
}

unsigned int SecCamera::getPhyAddrC(int index)
{
    unsigned int addr_c;

    addr_c = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_PADDR_CBCR, index);
    CHECK((int)addr_c);
    return addr_c;
}

void SecCamera::pausePreview()
{
    fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_STREAM_PAUSE, 0);
}

int SecCamera::getPreview()
{
    int index;
    int ret;

    if (m_flag_camera_start == 0 || previewPoll(true) == 0) {
        LOGE("ERR(%s):Start Camera Device Reset \n", __func__);
        /* GAUDI Project([arun.c@samsung.com]) 2010.05.20. [Implemented ESD code] */
        /*
         * When there is no data for more than 1 second from the camera we inform
         * the FIMC driver by calling fimc_v4l2_s_input() with a special value = 1000
         * FIMC driver identify that there is something wrong with the camera
         * and it restarts the sensor.
         */
        stopPreview();
        /* Reset Only Camera Device */
        ret = fimc_v4l2_querycap(m_cam_fd);
        CHECK(ret);
        if (fimc_v4l2_enuminput(m_cam_fd, m_camera_id))
            return -1;
        ret = fimc_v4l2_s_input(m_cam_fd, 1000);
        CHECK(ret);
        ret = startPreview();
        if (ret < 0) {
            LOGE("ERR(%s): startPreview() return %d\n", __func__, ret);
            return 0;
        }
    }

    index = fimc_v4l2_dqbuf(m_cam_fd);
    if (!(0 <= index && index < MAX_BUFFERS)) {
        LOGE("ERR(%s):wrong index = %d\n", __func__, index);
        return -1;
    }

    ret = fimc_v4l2_qbuf(m_cam_fd, index);
    CHECK(ret);

    return index;
}

int SecCamera::getRecordFrame()
{
    if (m_flag_record_start == 0) {
        LOGE("%s: m_flag_record_start is 0", __func__);
        return -1;
    }

    previewPoll(false);
    return fimc_v4l2_dqbuf(m_cam_fd2);
}

int SecCamera::releaseRecordFrame(int index)
{
    if (!m_flag_record_start) {
        /* this can happen when recording frames are returned after
         * the recording is stopped at the driver level.  we don't
         * need to return the buffers in this case and we've seen
         * cases where fimc could crash if we called qbuf and it
         * wasn't expecting it.
         */
        LOGI("%s: recording not in progress, ignoring", __func__);
        return 0;
    }

    return fimc_v4l2_qbuf(m_cam_fd2, index);
}

int SecCamera::setPreviewSize(int width, int height, int pixel_format)
{
    LOGV("%s(width(%d), height(%d), format(%d))", __func__, width, height, pixel_format);

    int v4lpixelformat = pixel_format;

#if defined(LOG_NDEBUG) && LOG_NDEBUG == 0
    if (v4lpixelformat == V4L2_PIX_FMT_YUV420)
        LOGV("PreviewFormat:V4L2_PIX_FMT_YUV420");
    else if (v4lpixelformat == V4L2_PIX_FMT_NV12)
        LOGV("PreviewFormat:V4L2_PIX_FMT_NV12");
    else if (v4lpixelformat == V4L2_PIX_FMT_NV12T)
        LOGV("PreviewFormat:V4L2_PIX_FMT_NV12T");
    else if (v4lpixelformat == V4L2_PIX_FMT_NV21)
        LOGV("PreviewFormat:V4L2_PIX_FMT_NV21");
    else if (v4lpixelformat == V4L2_PIX_FMT_YUV422P)
        LOGV("PreviewFormat:V4L2_PIX_FMT_YUV422P");
    else if (v4lpixelformat == V4L2_PIX_FMT_YUYV)
        LOGV("PreviewFormat:V4L2_PIX_FMT_YUYV");
    else if (v4lpixelformat == V4L2_PIX_FMT_RGB565)
        LOGV("PreviewFormat:V4L2_PIX_FMT_RGB565");
    else
        LOGV("PreviewFormat:UnknownFormat");
#endif
    m_preview_width  = width;
    m_preview_height = height;
    m_preview_v4lformat = v4lpixelformat;

    return 0;
}

int SecCamera::getPreviewSize(int *width, int *height, int *frame_size)
{
    *width  = m_preview_width;
    *height = m_preview_height;
    *frame_size = m_frameSize(m_preview_v4lformat, m_preview_width, m_preview_height);

    return 0;
}

int SecCamera::getPreviewMaxSize(int *width, int *height)
{
    *width  = m_preview_max_width;
    *height = m_preview_max_height;

    return 0;
}

int SecCamera::getPreviewPixelFormat(void)
{
    return m_preview_v4lformat;
}


// ======================================================================
// Snapshot
/*
 * Devide getJpeg() as two funcs, setSnapshotCmd() & getJpeg() because of the shutter sound timing.
 * Here, just send the capture cmd to camera ISP to start JPEG capture.
 */
int SecCamera::setSnapshotCmd(void)
{
    LOGV("%s :", __func__);

    int ret = 0;

    LOG_TIME_DEFINE(0)
    LOG_TIME_DEFINE(1)

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return 0;
    }

    if (m_flag_camera_start > 0) {
        LOG_TIME_START(0)
        LOGW("WARN(%s):Camera was in preview, should have been stopped\n", __func__);
        stopPreview();
        LOG_TIME_END(0)
    }

    memset(&m_events_c, 0, sizeof(m_events_c));
    m_events_c.fd = m_cam_fd;
    m_events_c.events = POLLIN | POLLERR;

    LOG_TIME_START(1) // prepare
    int nframe = 1;

    ret = fimc_v4l2_enum_fmt(m_cam_fd,m_snapshot_v4lformat);
    CHECK(ret);
    ret = fimc_v4l2_s_fmt_cap(m_cam_fd, m_snapshot_width, m_snapshot_height, V4L2_PIX_FMT_JPEG);
    CHECK(ret);
    ret = fimc_v4l2_reqbufs(m_cam_fd, V4L2_BUF_TYPE_VIDEO_CAPTURE, nframe);
    CHECK(ret);
    ret = fimc_v4l2_querybuf(m_cam_fd, &m_capture_buf, V4L2_BUF_TYPE_VIDEO_CAPTURE);
    CHECK(ret);

    ret = fimc_v4l2_qbuf(m_cam_fd, 0);
    CHECK(ret);

    ret = fimc_v4l2_streamon(m_cam_fd);
    CHECK(ret);
    LOG_TIME_END(1)

    return 0;
}

int SecCamera::endSnapshot(void)
{
    int ret;

    LOGI("%s :", __func__);
    if (m_capture_buf.start) {
        munmap(m_capture_buf.start, m_capture_buf.length);
        LOGI("munmap():virt. addr %p size = %d\n",
             m_capture_buf.start, m_capture_buf.length);
        m_capture_buf.start = NULL;
        m_capture_buf.length = 0;
    }
    return 0;
}

/*
 * Set Jpeg quality & exif info and get JPEG data from camera ISP
 */
unsigned char* SecCamera::getJpeg(int *jpeg_size, unsigned int *phyaddr)
{
    LOGV("%s :", __func__);

    int index, ret = 0;
    unsigned char *addr;

    LOG_TIME_DEFINE(2)

    // capture
    ret = fimc_poll(&m_events_c);
    CHECK_PTR(ret);
    index = fimc_v4l2_dqbuf(m_cam_fd);
    if (index != 0) {
        LOGE("ERR(%s):wrong index = %d\n", __func__, index);
        return NULL;
    }

    *jpeg_size = fimc_v4l2_g_ctrl(m_cam_fd, V4L2_CID_CAM_JPEG_MAIN_SIZE);
    CHECK_PTR(*jpeg_size);

    int main_offset = fimc_v4l2_g_ctrl(m_cam_fd, V4L2_CID_CAM_JPEG_MAIN_OFFSET);
    CHECK_PTR(main_offset);
    m_postview_offset = fimc_v4l2_g_ctrl(m_cam_fd, V4L2_CID_CAM_JPEG_POSTVIEW_OFFSET);
    CHECK_PTR(m_postview_offset);

    ret = fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_STREAM_PAUSE, 0);
    CHECK_PTR(ret);
    LOGV("\nsnapshot dqueued buffer = %d snapshot_width = %d snapshot_height = %d, size = %d\n\n",
            index, m_snapshot_width, m_snapshot_height, *jpeg_size);

    addr = (unsigned char*)(m_capture_buf.start) + main_offset;
    *phyaddr = getPhyAddrY(index) + m_postview_offset;

    LOG_TIME_START(2) // post
    ret = fimc_v4l2_streamoff(m_cam_fd);
    CHECK_PTR(ret);
    LOG_TIME_END(2)

    return addr;
}

int SecCamera::getExif(unsigned char *pExifDst, unsigned char *pThumbSrc)
{
    JpegEncoder jpgEnc;

    LOGV("%s : m_jpeg_thumbnail_width = %d, height = %d",
         __func__, m_jpeg_thumbnail_width, m_jpeg_thumbnail_height);
    if ((m_jpeg_thumbnail_width > 0) && (m_jpeg_thumbnail_height > 0)) {
        int inFormat = JPG_MODESEL_YCBCR;
        int outFormat = JPG_422;
        switch (m_snapshot_v4lformat) {
        case V4L2_PIX_FMT_NV12:
        case V4L2_PIX_FMT_NV21:
        case V4L2_PIX_FMT_NV12T:
        case V4L2_PIX_FMT_YUV420:
            outFormat = JPG_420;
            break;
        case V4L2_PIX_FMT_YUYV:
        case V4L2_PIX_FMT_UYVY:
        case V4L2_PIX_FMT_YUV422P:
            outFormat = JPG_422;
            break;
        }

        if (jpgEnc.setConfig(JPEG_SET_ENCODE_IN_FORMAT, inFormat) != JPG_SUCCESS)
            return -1;

        if (jpgEnc.setConfig(JPEG_SET_SAMPING_MODE, outFormat) != JPG_SUCCESS)
            return -1;

        if (jpgEnc.setConfig(JPEG_SET_ENCODE_QUALITY, JPG_QUALITY_LEVEL_2) != JPG_SUCCESS)
            return -1;

        int thumbWidth, thumbHeight, thumbSrcSize;
        getThumbnailConfig(&thumbWidth, &thumbHeight, &thumbSrcSize);
        if (jpgEnc.setConfig(JPEG_SET_ENCODE_WIDTH, thumbWidth) != JPG_SUCCESS)
            return -1;

        if (jpgEnc.setConfig(JPEG_SET_ENCODE_HEIGHT, thumbHeight) != JPG_SUCCESS)
            return -1;

        char *pInBuf = (char *)jpgEnc.getInBuf(thumbSrcSize);
        if (pInBuf == NULL)
            return -1;
        memcpy(pInBuf, pThumbSrc, thumbSrcSize);

        unsigned int thumbSize;

        jpgEnc.encode(&thumbSize, NULL);

        LOGV("%s : enableThumb set to true", __func__);
        mExifInfo.enableThumb = true;
    } else {
        LOGV("%s : enableThumb set to false", __func__);
        mExifInfo.enableThumb = false;
    }

    unsigned int exifSize;

    setExifChangedAttribute();

    LOGV("%s: calling jpgEnc.makeExif, mExifInfo.width set to %d, height to %d\n",
         __func__, mExifInfo.width, mExifInfo.height);

    jpgEnc.makeExif(pExifDst, &mExifInfo, &exifSize, true);

    return exifSize;
}

void SecCamera::getPostViewConfig(int *width, int *height, int *size)
{
    if (m_preview_width == 1024) {
        *width = BACK_CAMERA_POSTVIEW_WIDE_WIDTH;
        *height = BACK_CAMERA_POSTVIEW_HEIGHT;
        *size = BACK_CAMERA_POSTVIEW_WIDE_WIDTH * BACK_CAMERA_POSTVIEW_HEIGHT * BACK_CAMERA_POSTVIEW_BPP / 8;
    } else {
        *width = BACK_CAMERA_POSTVIEW_WIDTH;
        *height = BACK_CAMERA_POSTVIEW_HEIGHT;
        *size = BACK_CAMERA_POSTVIEW_WIDTH * BACK_CAMERA_POSTVIEW_HEIGHT * BACK_CAMERA_POSTVIEW_BPP / 8;
    }
    LOGV("[5B] m_preview_width : %d, mPostViewWidth = %d mPostViewHeight = %d mPostViewSize = %d",
            m_preview_width, *width, *height, *size);
}

void SecCamera::getThumbnailConfig(int *width, int *height, int *size)
{
    if (m_camera_id == CAMERA_ID_BACK) {
        *width  = BACK_CAMERA_THUMBNAIL_WIDTH;
        *height = BACK_CAMERA_THUMBNAIL_HEIGHT;
        *size   = BACK_CAMERA_THUMBNAIL_WIDTH * BACK_CAMERA_THUMBNAIL_HEIGHT
                    * BACK_CAMERA_THUMBNAIL_BPP / 8;
    } else {
        *width  = FRONT_CAMERA_THUMBNAIL_WIDTH;
        *height = FRONT_CAMERA_THUMBNAIL_HEIGHT;
        *size   = FRONT_CAMERA_THUMBNAIL_WIDTH * FRONT_CAMERA_THUMBNAIL_HEIGHT
                    * FRONT_CAMERA_THUMBNAIL_BPP / 8;
    }
}

int SecCamera::getPostViewOffset(void)
{
    return m_postview_offset;
}

int SecCamera::getSnapshotAndJpeg(unsigned char *yuv_buf, unsigned char *jpeg_buf,
                                            unsigned int *output_size)
{
    LOGV("%s :", __func__);

    int index;
    //unsigned int addr;
    unsigned char *addr;
    int ret = 0;

    LOG_TIME_DEFINE(0)
    LOG_TIME_DEFINE(1)
    LOG_TIME_DEFINE(2)
    LOG_TIME_DEFINE(3)
    LOG_TIME_DEFINE(4)
    LOG_TIME_DEFINE(5)

    //fimc_v4l2_streamoff(m_cam_fd); [zzangdol] remove - it is separate in HWInterface with camera_id

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    if (m_flag_camera_start > 0) {
        LOG_TIME_START(0)
        LOGW("WARN(%s):Camera was in preview, should have been stopped\n", __func__);
        stopPreview();
        LOG_TIME_END(0)
    }

    memset(&m_events_c, 0, sizeof(m_events_c));
    m_events_c.fd = m_cam_fd;
    m_events_c.events = POLLIN | POLLERR;

#if defined(LOG_NDEBUG) && LOG_NDEBUG == 0
    if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUV420)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_YUV420");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV12)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_NV12");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV12T)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_NV12T");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV21)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_NV21");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUV422P)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_YUV422P");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUYV)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_YUYV");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_UYVY)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_UYVY");
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_RGB565)
        LOGV("SnapshotFormat:V4L2_PIX_FMT_RGB565");
    else
        LOGV("SnapshotFormat:UnknownFormat");
#endif

    LOG_TIME_START(1) // prepare
    int nframe = 1;

    ret = fimc_v4l2_enum_fmt(m_cam_fd,m_snapshot_v4lformat);
    CHECK(ret);
    ret = fimc_v4l2_s_fmt_cap(m_cam_fd, m_snapshot_width, m_snapshot_height, m_snapshot_v4lformat);
    CHECK(ret);
    ret = fimc_v4l2_reqbufs(m_cam_fd, V4L2_BUF_TYPE_VIDEO_CAPTURE, nframe);
    CHECK(ret);
    ret = fimc_v4l2_querybuf(m_cam_fd, &m_capture_buf, V4L2_BUF_TYPE_VIDEO_CAPTURE);
    CHECK(ret);

    ret = fimc_v4l2_qbuf(m_cam_fd, 0);
    CHECK(ret);

    ret = fimc_v4l2_streamon(m_cam_fd);
    CHECK(ret);
    LOG_TIME_END(1)

    LOG_TIME_START(2) // capture
    fimc_poll(&m_events_c);
    index = fimc_v4l2_dqbuf(m_cam_fd);
    fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_STREAM_PAUSE, 0);
    LOGV("\nsnapshot dequeued buffer = %d snapshot_width = %d snapshot_height = %d\n\n",
            index, m_snapshot_width, m_snapshot_height);

    LOG_TIME_END(2)

    LOGI("%s : calling memcpy from m_capture_buf", __func__);
    memcpy(yuv_buf, (unsigned char*)m_capture_buf.start, m_snapshot_width * m_snapshot_height * 2);
    LOG_TIME_START(5) // post
    fimc_v4l2_streamoff(m_cam_fd);
    LOG_TIME_END(5)

    LOG_CAMERA("getSnapshotAndJpeg intervals : stopPreview(%lu), prepare(%lu),"
                " capture(%lu), memcpy(%lu), yuv2Jpeg(%lu), post(%lu)  us",
                    LOG_TIME(0), LOG_TIME(1), LOG_TIME(2), LOG_TIME(3), LOG_TIME(4), LOG_TIME(5));
    /* JPEG encoding */
    JpegEncoder jpgEnc;
    int inFormat = JPG_MODESEL_YCBCR;
    int outFormat = JPG_422;

    switch (m_snapshot_v4lformat) {
    case V4L2_PIX_FMT_NV12:
    case V4L2_PIX_FMT_NV21:
    case V4L2_PIX_FMT_NV12T:
    case V4L2_PIX_FMT_YUV420:
        outFormat = JPG_420;
        break;
    case V4L2_PIX_FMT_YUYV:
    case V4L2_PIX_FMT_UYVY:
    case V4L2_PIX_FMT_YUV422P:
    default:
        outFormat = JPG_422;
        break;
    }

    if (jpgEnc.setConfig(JPEG_SET_ENCODE_IN_FORMAT, inFormat) != JPG_SUCCESS)
        LOGE("[JPEG_SET_ENCODE_IN_FORMAT] Error\n");

    if (jpgEnc.setConfig(JPEG_SET_SAMPING_MODE, outFormat) != JPG_SUCCESS)
        LOGE("[JPEG_SET_SAMPING_MODE] Error\n");

    image_quality_type_t jpegQuality;
    if (m_jpeg_quality >= 90)
        jpegQuality = JPG_QUALITY_LEVEL_1;
    else if (m_jpeg_quality >= 80)
        jpegQuality = JPG_QUALITY_LEVEL_2;
    else if (m_jpeg_quality >= 70)
        jpegQuality = JPG_QUALITY_LEVEL_3;
    else
        jpegQuality = JPG_QUALITY_LEVEL_4;

    if (jpgEnc.setConfig(JPEG_SET_ENCODE_QUALITY, jpegQuality) != JPG_SUCCESS)
        LOGE("[JPEG_SET_ENCODE_QUALITY] Error\n");
    if (jpgEnc.setConfig(JPEG_SET_ENCODE_WIDTH, m_snapshot_width) != JPG_SUCCESS)
        LOGE("[JPEG_SET_ENCODE_WIDTH] Error\n");

    if (jpgEnc.setConfig(JPEG_SET_ENCODE_HEIGHT, m_snapshot_height) != JPG_SUCCESS)
        LOGE("[JPEG_SET_ENCODE_HEIGHT] Error\n");

    unsigned int snapshot_size = m_snapshot_width * m_snapshot_height * 2;
    unsigned char *pInBuf = (unsigned char *)jpgEnc.getInBuf(snapshot_size);

    if (pInBuf == NULL) {
        LOGE("JPEG input buffer is NULL!!\n");
        return -1;
    }
    memcpy(pInBuf, yuv_buf, snapshot_size);

    setExifChangedAttribute();
    jpgEnc.encode(output_size, NULL);

    uint64_t outbuf_size;
    unsigned char *pOutBuf = (unsigned char *)jpgEnc.getOutBuf(&outbuf_size);

    if (pOutBuf == NULL) {
        LOGE("JPEG output buffer is NULL!!\n");
        return -1;
    }

    memcpy(jpeg_buf, pOutBuf, outbuf_size);

    return 0;
}


int SecCamera::setSnapshotSize(int width, int height)
{
    LOGV("%s(width(%d), height(%d))", __func__, width, height);

    m_snapshot_width  = width;
    m_snapshot_height = height;

    return 0;
}

int SecCamera::getSnapshotSize(int *width, int *height, int *frame_size)
{
    *width  = m_snapshot_width;
    *height = m_snapshot_height;

    int frame = 0;

    frame = m_frameSize(m_snapshot_v4lformat, m_snapshot_width, m_snapshot_height);

    // set it big.
    if (frame == 0)
        frame = m_snapshot_width * m_snapshot_height * BPP;

    *frame_size = frame;

    return 0;
}

int SecCamera::getSnapshotMaxSize(int *width, int *height)
{
    switch (m_camera_id) {
    case CAMERA_ID_FRONT:
        m_snapshot_max_width  = MAX_FRONT_CAMERA_SNAPSHOT_WIDTH;
        m_snapshot_max_height = MAX_FRONT_CAMERA_SNAPSHOT_HEIGHT;
        break;

    default:
    case CAMERA_ID_BACK:
        m_snapshot_max_width  = MAX_BACK_CAMERA_SNAPSHOT_WIDTH;
        m_snapshot_max_height = MAX_BACK_CAMERA_SNAPSHOT_HEIGHT;
        break;
    }

    *width  = m_snapshot_max_width;
    *height = m_snapshot_max_height;

    return 0;
}

int SecCamera::setSnapshotPixelFormat(int pixel_format)
{
    int v4lpixelformat= pixel_format;

    if (m_snapshot_v4lformat != v4lpixelformat) {
        m_snapshot_v4lformat = v4lpixelformat;
    }

#if defined(LOG_NDEBUG) && LOG_NDEBUG == 0
    if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUV420)
        LOGE("%s : SnapshotFormat:V4L2_PIX_FMT_YUV420", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV12)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_NV12", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV12T)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_NV12T", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_NV21)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_NV21", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUV422P)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_YUV422P", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_YUYV)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_YUYV", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_UYVY)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_UYVY", __func__);
    else if (m_snapshot_v4lformat == V4L2_PIX_FMT_RGB565)
        LOGD("%s : SnapshotFormat:V4L2_PIX_FMT_RGB565", __func__);
    else
        LOGD("SnapshotFormat:UnknownFormat");
#endif
    return 0;
}

int SecCamera::getSnapshotPixelFormat(void)
{
    return m_snapshot_v4lformat;
}

// ======================================================================
// Settings

int SecCamera::getCameraId(void)
{
    return m_camera_id;
}

// -----------------------------------

int SecCamera::setAutofocus(void)
{
    LOGV("%s :", __func__);

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_SET_AUTO_FOCUS, AUTO_FOCUS_ON) < 0) {
            LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_SET_AUTO_FOCUS", __func__);
        return -1;
    }

    return 0;
}

int SecCamera::getAutoFocusResult(void)
{
    int af_result, count, ret;

    for (count = 0; count < FIRST_AF_SEARCH_COUNT; count++) {
        ret = fimc_v4l2_g_ctrl(m_cam_fd, V4L2_CID_CAMERA_AUTO_FOCUS_RESULT_FIRST);
        if (ret != AF_PROGRESS)
            break;
        usleep(AF_DELAY);
    }
    if ((count >= FIRST_AF_SEARCH_COUNT) || (ret != AF_SUCCESS)) {
        LOGV("%s : 1st AF timed out, failed, or was canceled", __func__);
        af_result = 0;
        goto finish_auto_focus;
    }

    for (count = 0; count < SECOND_AF_SEARCH_COUNT; count++) {
        ret = fimc_v4l2_g_ctrl(m_cam_fd, V4L2_CID_CAMERA_AUTO_FOCUS_RESULT_SECOND);
        /* low byte is garbage.  done when high byte is 0x0 */
        if (!(ret & 0xff00))
            break;
        usleep(AF_DELAY);
    }
    if (count >= SECOND_AF_SEARCH_COUNT) {
        LOGV("%s : 2nd AF timed out, failed, or was canceled", __func__);
        af_result = 0;
        goto finish_auto_focus;
    }

    af_result = 1;
    LOGV("%s : AF was successful, returning %d", __func__, af_result);

finish_auto_focus:
    if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_FINISH_AUTO_FOCUS, 0) < 0) {
        LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_SET_PRE_FLASH", __func__);
        return -1;
    }
    return af_result;
}

int SecCamera::cancelAutofocus(void)
{
    LOGV("%s :", __func__);

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_SET_AUTO_FOCUS, AUTO_FOCUS_OFF) < 0) {
        LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_SET_AUTO_FOCUS", __func__);
        return -1;
    }

    return 0;
}

// -----------------------------------

int SecCamera::zoomIn(void)
{
    LOGV("%s :", __func__);
    return 0;
}

int SecCamera::zoomOut(void)
{
    LOGV("%s :", __func__);
    return 0;
}

// -----------------------------------

int SecCamera::SetRotate(int angle)
{
    LOGE("%s(angle(%d))", __func__, angle);

    if (m_angle != angle) {
        switch (angle) {
        case -360:
        case    0:
        case  360:
            m_angle = 0;
            break;

        case -270:
        case   90:
            m_angle = 90;
            break;

        case -180:
        case  180:
            m_angle = 180;
            break;

        case  -90:
        case  270:
            m_angle = 270;
            break;

        default:
            LOGE("ERR(%s):Invalid angle(%d)", __func__, angle);
            return -1;
        }

        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_ROTATION, angle) < 0) {
                LOGE("ERR(%s):Fail on V4L2_CID_ROTATION", __func__);
                return -1;
            }
        }
    }

    return 0;
}

int SecCamera::getRotate(void)
{
    LOGV("%s : angle(%d)", __func__, m_angle);
    return m_angle;
}

int SecCamera::setFrameRate(int frame_rate)
{
    LOGV("%s(FrameRate(%d))", __func__, frame_rate);

    if (frame_rate < FRAME_RATE_AUTO || FRAME_RATE_MAX < frame_rate )
        LOGE("ERR(%s):Invalid frame_rate(%d)", __func__, frame_rate);

    if (m_params->capture.timeperframe.denominator != (unsigned)frame_rate) {
        m_params->capture.timeperframe.denominator = frame_rate;
        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_FRAME_RATE, frame_rate) < 0) {
                LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_FRAME_RATE", __func__);
                return -1;
            }
        }
    }

    return 0;
}

// -----------------------------------

int SecCamera::setVerticalMirror(void)
{
    LOGV("%s :", __func__);

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_VFLIP, 0) < 0) {
        LOGE("ERR(%s):Fail on V4L2_CID_VFLIP", __func__);
        return -1;
    }

    return 0;
}

int SecCamera::setHorizontalMirror(void)
{
    LOGV("%s :", __func__);

    if (m_cam_fd <= 0) {
        LOGE("ERR(%s):Camera was closed\n", __func__);
        return -1;
    }

    if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_HFLIP, 0) < 0) {
        LOGE("ERR(%s):Fail on V4L2_CID_HFLIP", __func__);
        return -1;
    }

    return 0;
}

// -----------------------------------

int SecCamera::setWhiteBalance(int white_balance)
{
    LOGV("%s(white_balance(%d))", __func__, white_balance);

    if (white_balance <= WHITE_BALANCE_BASE || WHITE_BALANCE_MAX <= white_balance) {
        LOGE("ERR(%s):Invalid white_balance(%d)", __func__, white_balance);
        return -1;
    }

    if (m_params->white_balance != white_balance) {
        m_params->white_balance = white_balance;
        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_WHITE_BALANCE, white_balance) < 0) {
                LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_WHITE_BALANCE", __func__);
                return -1;
            }
        }
    }

    return 0;
}

int SecCamera::getWhiteBalance(void)
{
    LOGV("%s : white_balance(%d)", __func__, m_params->white_balance);
    return m_params->white_balance;
}

// -----------------------------------

int SecCamera::setBrightness(int brightness)
{
    LOGV("%s(brightness(%d))", __func__, brightness);

    brightness += EV_DEFAULT;

    if (brightness < EV_MINUS_4 || EV_PLUS_4 < brightness) {
        LOGE("ERR(%s):Invalid brightness(%d)", __func__, brightness);
        return -1;
    }

    if (m_params->brightness != brightness) {
        m_params->brightness = brightness;
        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_BRIGHTNESS, brightness) < 0) {
                LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_BRIGHTNESS", __func__);
                return -1;
            }
        }
    }

    return 0;
}

int SecCamera::getBrightness(void)
{
    LOGV("%s : brightness(%d)", __func__, m_params->brightness);
    return m_params->brightness;
}

// -----------------------------------

int SecCamera::setImageEffect(int image_effect)
{
    LOGV("%s(image_effect(%d))", __func__, image_effect);

    if (image_effect <= IMAGE_EFFECT_BASE || IMAGE_EFFECT_MAX <= image_effect) {
        LOGE("ERR(%s):Invalid image_effect(%d)", __func__, image_effect);
        return -1;
    }

    if (m_params->effects != image_effect) {
        m_params->effects = image_effect;
        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_EFFECT, image_effect) < 0) {
                LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_EFFECT", __func__);
                return -1;
            }
        }
    }

    return 0;
}

int SecCamera::getImageEffect(void)
{
    LOGV("%s : image_effect(%d)", __func__, m_params->effects);
    return m_params->effects;
}

// ======================================================================
int SecCamera::setAntiBanding(int anti_banding)
{
    LOGV("%s(anti_banding(%d))", __func__, anti_banding);

    if (anti_banding < ANTI_BANDING_AUTO || ANTI_BANDING_OFF < anti_banding) {
        LOGE("ERR(%s):Invalid anti_banding (%d)", __func__, anti_banding);
        return -1;
    }

    if (m_anti_banding != anti_banding) {
        m_anti_banding = anti_banding;
        if (m_flag_camera_start) {
            if (fimc_v4l2_s_ctrl(m_cam_fd, V4L2_CID_CAMERA_ANTI_BANDING, anti_banding) < 0) {
                 LOGE("ERR(%s):Fail on V4L2_CID_CAMERA_ANTI_BANDING", __func__);
                 return -1;
            }
        }
    }

    return 0;
}

//========================…