mm-video-v4l2/vidc/vdec/inc/hevc_utils.h

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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 "Map.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 */