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 *       with the distribution.
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#ifndef __QCAMERA3_STREAM_H__
#define __QCAMERA3_STREAM_H__

#include <hardware/camera3.h>
#include "utils/Mutex.h"
#include "QCameraCmdThread.h"
#include "QCamera3Mem.h"

extern "C" {
#include <mm_camera_interface.h>
}

namespace qcamera {

class QCamera3Stream;
class QCamera3Channel;

typedef void (*hal3_stream_cb_routine)(mm_camera_super_buf_t *frame,
                                  QCamera3Stream *stream,
                                  void *userdata);

class QCamera3Stream
{
public:
    QCamera3Stream(uint32_t camHandle,
                  uint32_t chId,
                  mm_camera_ops_t *camOps,
                  cam_padding_info_t *paddingInfo,
                  QCamera3Channel *channel);
    virtual ~QCamera3Stream();
    virtual int32_t init(cam_stream_type_t streamType,
                         cam_format_t streamFormat,
                         cam_dimension_t streamDim,
                         cam_stream_reproc_config_t* reprocess_config,
                         uint8_t minStreamBufNum,
                         uint32_t postprocess_mask,
                         cam_is_type_t is_type,
                         hal3_stream_cb_routine stream_cb,
                         void *userdata);
    virtual int32_t bufDone(int index);
    virtual int32_t bufRelease(int32_t index);
    virtual int32_t processDataNotify(mm_camera_super_buf_t *bufs);
    virtual int32_t start();
    virtual int32_t stop();

    static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame, void *userdata);
    static void *dataProcRoutine(void *data);
    uint32_t getMyHandle() const {return mHandle;}
    cam_stream_type_t getMyType() const;
    int32_t getFrameOffset(cam_frame_len_offset_t &offset);
    int32_t getFrameDimension(cam_dimension_t &dim);
    int32_t getFormat(cam_format_t &fmt);
    QCamera3Memory *getStreamBufs() {return mStreamBufs;};
    uint32_t getMyServerID();

    int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
                   int32_t plane_idx, int fd, uint32_t size);
    int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
    int32_t setParameter(cam_stream_parm_buffer_t &param);

    static void releaseFrameData(void *data, void *user_data);

private:
    uint32_t mCamHandle;
    uint32_t mChannelHandle;
    uint32_t mHandle; // stream handle from mm-camera-interface
    mm_camera_ops_t *mCamOps;
    cam_stream_info_t *mStreamInfo; // ptr to stream info buf
    mm_camera_stream_mem_vtbl_t mMemVtbl;
    mm_camera_map_unmap_ops_tbl_t *mMemOps;
    uint8_t mNumBufs;
    hal3_stream_cb_routine mDataCB;
    void *mUserData;

    QCameraQueue     mDataQ;
    QCameraCmdThread mProcTh; // thread for dataCB

    QCamera3HeapMemory *mStreamInfoBuf;
    QCamera3Memory *mStreamBufs;
    mm_camera_buf_def_t *mBufDefs;
    cam_frame_len_offset_t mFrameLenOffset;
    cam_padding_info_t mPaddingInfo;
    QCamera3Channel *mChannel;
    Mutex mLock;    //Lock controlling access to 'mBufDefs'

    static int32_t get_bufs(
                     cam_frame_len_offset_t *offset,
                     uint8_t *num_bufs,
                     uint8_t **initial_reg_flag,
                     mm_camera_buf_def_t **bufs,
                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
                     void *user_data);
    static int32_t put_bufs(
                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
                     void *user_data);
    static int32_t invalidate_buf(int index, void *user_data);
    static int32_t clean_invalidate_buf(int index, void *user_data);

    int32_t getBufs(cam_frame_len_offset_t *offset,
                     uint8_t *num_bufs,
                     uint8_t **initial_reg_flag,
                     mm_camera_buf_def_t **bufs,
                     mm_camera_map_unmap_ops_tbl_t *ops_tbl);
    int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
    int32_t invalidateBuf(int index);
    int32_t cleanInvalidateBuf(int index);

};

}; // namespace qcamera

#endif /* __QCAMERA3_STREAM_H__ */