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#ifndef HEVC_UTILS_H
#define HEVC_UTILS_H

/*========================================================================

                                 O p e n M M
         U t i l i t i e s   a n d   H e l p e r   R o u t i n e s

*//** @file HEVC_Utils.h
This module contains H264 video decoder utilities and helper routines.

*//*====================================================================== */

/* =======================================================================

                     INCLUDE FILES FOR MODULE

========================================================================== */
#include <stdio.h>
#include <utils/Log.h>
#include "qtypes.h"
#include "OMX_Core.h"
#include "OMX_QCOMExtns.h"


class HEVC_Utils
{
    public:
        HEVC_Utils();
        ~HEVC_Utils();

        enum {
            NAL_UNIT_CODED_SLICE_TRAIL_N,    // 0
            NAL_UNIT_CODED_SLICE_TRAIL_R,    // 1
            NAL_UNIT_CODED_SLICE_TSA_N,        // 2
            NAL_UNIT_CODED_SLICE_TLA,        // 3
            NAL_UNIT_CODED_SLICE_STSA_N,    // 4
            NAL_UNIT_CODED_SLICE_STSA_R,    // 5
            NAL_UNIT_CODED_SLICE_RADL_N,    // 6
            NAL_UNIT_CODED_SLICE_DLP,        // 7
            NAL_UNIT_CODED_SLICE_RASL_N,    // 8
            NAL_UNIT_CODED_SLICE_TFD,        // 9
            NAL_UNIT_RESERVED_10,
            NAL_UNIT_RESERVED_11,
            NAL_UNIT_RESERVED_12,
            NAL_UNIT_RESERVED_13,
            NAL_UNIT_RESERVED_14,
            NAL_UNIT_RESERVED_15,
            NAL_UNIT_CODED_SLICE_BLA,        // 16
            NAL_UNIT_CODED_SLICE_BLANT,        // 17
            NAL_UNIT_CODED_SLICE_BLA_N_LP,    // 18
            NAL_UNIT_CODED_SLICE_IDR,        // 19
            NAL_UNIT_CODED_SLICE_IDR_N_LP,    // 20
            NAL_UNIT_CODED_SLICE_CRA,        // 21
            NAL_UNIT_RESERVED_22,
            NAL_UNIT_RESERVED_23,
            NAL_UNIT_RESERVED_24,
            NAL_UNIT_RESERVED_25,
            NAL_UNIT_RESERVED_26,
            NAL_UNIT_RESERVED_27,

            NAL_UNIT_RESERVED_28,
            NAL_UNIT_RESERVED_29,
            NAL_UNIT_RESERVED_30,
            NAL_UNIT_RESERVED_31,

            NAL_UNIT_VPS,                    // 32
            NAL_UNIT_SPS,                    // 33
            NAL_UNIT_PPS,                    // 34
            NAL_UNIT_ACCESS_UNIT_DELIMITER, // 35
            NAL_UNIT_EOS,                    // 36
            NAL_UNIT_EOB,                    // 37
            NAL_UNIT_FILLER_DATA,            // 38
            NAL_UNIT_SEI,                    // 39 Prefix SEI
            NAL_UNIT_SEI_SUFFIX,            // 40 Suffix SEI

            NAL_UNIT_RESERVED_41,
            NAL_UNIT_RESERVED_42,
            NAL_UNIT_RESERVED_43,
            NAL_UNIT_RESERVED_44,
            NAL_UNIT_RESERVED_45,
            NAL_UNIT_RESERVED_46,
            NAL_UNIT_RESERVED_47,
            NAL_UNIT_UNSPECIFIED_48,
            NAL_UNIT_UNSPECIFIED_49,
            NAL_UNIT_UNSPECIFIED_50,
            NAL_UNIT_UNSPECIFIED_51,
            NAL_UNIT_UNSPECIFIED_52,
            NAL_UNIT_UNSPECIFIED_53,
            NAL_UNIT_UNSPECIFIED_54,
            NAL_UNIT_UNSPECIFIED_55,
            NAL_UNIT_UNSPECIFIED_56,
            NAL_UNIT_UNSPECIFIED_57,
            NAL_UNIT_UNSPECIFIED_58,
            NAL_UNIT_UNSPECIFIED_59,
            NAL_UNIT_UNSPECIFIED_60,
            NAL_UNIT_UNSPECIFIED_61,
            NAL_UNIT_UNSPECIFIED_62,
            NAL_UNIT_UNSPECIFIED_63,
            NAL_UNIT_INVALID,
        };


        void initialize_frame_checking_environment();
        bool isNewFrame(OMX_BUFFERHEADERTYPE *p_buf_hdr,
                OMX_IN OMX_U32 size_of_nal_length_field,
                OMX_OUT OMX_BOOL &isNewFrame);

    private:

        bool              m_forceToStichNextNAL;
        bool              m_au_data;
        uint32 nalu_type;
};

#endif /* HEVC_UTILS_H */