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#ifndef __QCamera3_POSTPROC_H__
#define __QCamera3_POSTPROC_H__

// Camera dependencies
#include "hardware/camera3.h"
#include "QCamera3HALHeader.h"
#include "QCameraCmdThread.h"
#include "QCameraQueue.h"

extern "C" {
#include "mm_camera_interface.h"
#include "mm_jpeg_interface.h"
}

namespace qcamera {

class QCamera3Exif;
class QCamera3ProcessingChannel;
class QCamera3ReprocessChannel;
class QCamera3Stream;
class QCamera3StreamMem;

typedef struct {
    camera3_stream_buffer_t src_frame;// source frame
    mm_camera_buf_def_t metadata_buffer;
    mm_camera_buf_def_t input_buffer;
    reprocess_config_t reproc_config;
    buffer_handle_t *output_buffer;
    uint32_t frameNumber;
} qcamera_fwk_input_pp_data_t;

typedef struct {
    uint32_t jobId;                  // job ID
    uint32_t client_hdl;             // handle of jpeg client (obtained when open jpeg)
    mm_camera_super_buf_t *src_frame;// source frame (need to be returned back to kernel after done)
    mm_camera_super_buf_t *src_reproc_frame; // original source frame for reproc if not NULL
    qcamera_fwk_input_pp_data_t *fwk_frame; // source framework buffer
    qcamera_fwk_input_pp_data_t *fwk_src_buffer; // original framework source frame for reproc
    QCamera3Exif *pJpegExifObj;
    metadata_buffer_t *metadata;
    mm_camera_super_buf_t *src_metadata;
    jpeg_settings_t *jpeg_settings;
} qcamera_hal3_jpeg_data_t;

typedef struct {
    uint32_t jobId;                  // job ID
    mm_camera_super_buf_t *src_frame;// source frame (need to be returned back to kernel after done)
    qcamera_fwk_input_pp_data_t *fwk_src_frame;// source frame
    metadata_buffer_t *metadata;
    jpeg_settings_t *jpeg_settings;
    mm_camera_super_buf_t *src_metadata;
} qcamera_hal3_pp_data_t;

typedef struct {
    mm_camera_super_buf_t *input;
    buffer_handle_t *output;
    uint32_t frameNumber;
} qcamera_hal3_pp_buffer_t;

#define MAX_HAL3_EXIF_TABLE_ENTRIES 23
class QCamera3Exif
{
public:
    QCamera3Exif();
    virtual ~QCamera3Exif();

    int32_t addEntry(exif_tag_id_t tagid,
                     exif_tag_type_t type,
                     uint32_t count,
                     void *data);
    uint32_t getNumOfEntries() {return m_nNumEntries;};
    QEXIF_INFO_DATA *getEntries() {return m_Entries;};

private:
    QEXIF_INFO_DATA m_Entries[MAX_HAL3_EXIF_TABLE_ENTRIES];  // exif tags for JPEG encoder
    uint32_t  m_nNumEntries;                            // number of valid entries
};

class QCamera3PostProcessor
{
public:
    QCamera3PostProcessor(QCamera3ProcessingChannel *ch_ctrl);
    virtual ~QCamera3PostProcessor();

    int32_t init(QCamera3StreamMem *mMemory);
    int32_t initJpeg(jpeg_encode_callback_t jpeg_cb,
            cam_dimension_t *m_max_pic_dim,
            void *user_data);
    int32_t deinit();
    int32_t start(const reprocess_config_t &config);
    int32_t stop();
    int32_t flush();
    int32_t processData(qcamera_fwk_input_pp_data_t *frame);
    int32_t processData(mm_camera_super_buf_t *input,
            buffer_handle_t *output, uint32_t frameNumber);
    int32_t processData(mm_camera_super_buf_t *input);
    int32_t processPPData(mm_camera_super_buf_t *frame);
    int32_t processPPMetadata(mm_camera_super_buf_t *reproc_meta);
    int32_t processJpegSettingData(jpeg_settings_t *jpeg_settings);
    qcamera_hal3_pp_data_t *dequeuePPJob(uint32_t frameNumber);
    qcamera_hal3_jpeg_data_t *findJpegJobByJobId(uint32_t jobId);
    void releaseJpegJobData(qcamera_hal3_jpeg_data_t *job);
    int32_t releaseOfflineBuffers(bool all);
    void releasePPJobData(qcamera_hal3_pp_data_t *job);

private:
    int32_t sendEvtNotify(int32_t msg_type, int32_t ext1, int32_t ext2);
    mm_jpeg_color_format getColorfmtFromImgFmt(cam_format_t img_fmt);
    mm_jpeg_format_t getJpegImgTypeFromImgFmt(cam_format_t img_fmt);
    int32_t getJpegEncodeConfig(mm_jpeg_encode_params_t& encode_parm,
                                  QCamera3Stream *main_stream,
                                  jpeg_settings_t *jpeg_settings);
    int32_t getFWKJpegEncodeConfig(mm_jpeg_encode_params_t& encode_parm,
            qcamera_fwk_input_pp_data_t *frame,
            jpeg_settings_t *jpeg_settings);
    QCamera3Exif * getExifData(metadata_buffer_t *metadata,
            jpeg_settings_t *jpeg_settings, bool needJpegExifRotation);
    int32_t encodeData(qcamera_hal3_jpeg_data_t *jpeg_job_data,
                       uint8_t &needNewSess);
    int32_t encodeFWKData(qcamera_hal3_jpeg_data_t *jpeg_job_data,
            uint8_t &needNewSess);
    void releaseSuperBuf(mm_camera_super_buf_t *super_buf);
    static void releaseNotifyData(void *user_data, void *cookie);
    int32_t processRawImageImpl(mm_camera_super_buf_t *recvd_frame);

    static void releaseJpegData(void *data, void *user_data);
    static void releasePPInputData(void *data, void *user_data);
    static void releaseMetadata(void *data, void *user_data);
    static void releaseOngoingPPData(void *data, void *user_data);

    static void *dataProcessRoutine(void *data);

    bool needsReprocess(qcamera_fwk_input_pp_data_t *frame);

private:
    QCamera3ProcessingChannel  *m_parent;
    jpeg_encode_callback_t     mJpegCB;
    void *                     mJpegUserData;
    mm_jpeg_ops_t              mJpegHandle;
    uint32_t                   mJpegClientHandle;
    uint32_t                   mJpegSessionId;
    cam_jpeg_metadata_t        mJpegMetadata;

    uint32_t                   m_bThumbnailNeeded;
    QCamera3StreamMem          *mOutputMem;
    QCamera3ReprocessChannel *  m_pReprocChannel;

    QCameraQueue m_inputPPQ;            // input queue for postproc
    QCameraQueue m_inputFWKPPQ;         // framework input queue for postproc
    QCameraQueue m_ongoingPPQ;          // ongoing postproc queue
    QCameraQueue m_inputJpegQ;          // input jpeg job queue
    QCameraQueue m_ongoingJpegQ;        // ongoing jpeg job queue
    QCameraQueue m_inputRawQ;           // input raw job queue
    QCameraQueue m_inputMetaQ;          // input meta queue
    QCameraQueue m_jpegSettingsQ;       // input jpeg setting queue
    QCameraCmdThread m_dataProcTh;      // thread for data processing

    pthread_mutex_t mReprocJobLock;
};

}; // namespace qcamera

#endif /* __QCamera3_POSTPROC_H__ */