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      1 /*--------------------------------------------------------------------------
      2 Copyright (c) 2013, The Linux Foundation. All rights reserved.
      3 
      4 Redistribution and use in source and binary forms, with or without
      5 modification, are permitted provided that the following conditions are met:
      6     * Redistributions of source code must retain the above copyright
      7       notice, this list of conditions and the following disclaimer.
      8     * Redistributions in binary form must reproduce the above copyright
      9       notice, this list of conditions and the following disclaimer in the
     10       documentation and/or other materials provided with the distribution.
     11     * Neither the name of The Linux Foundation nor
     12       the names of its contributors may be used to endorse or promote
     13       products derived from this software without specific prior written
     14       permission.
     15 
     16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18 IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     19 NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     20 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 --------------------------------------------------------------------------*/
     28 
     29 
     30 #ifndef HEVC_UTILS_H
     31 #define HEVC_UTILS_H
     32 
     33 /*========================================================================
     34 
     35                                  O p e n M M
     36          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
     37 
     38 *//** @file HEVC_Utils.h
     39 This module contains H264 video decoder utilities and helper routines.
     40 
     41 *//*====================================================================== */
     42 
     43 /* =======================================================================
     44 
     45                      INCLUDE FILES FOR MODULE
     46 
     47 ========================================================================== */
     48 #include <stdio.h>
     49 #include <utils/Log.h>
     50 #include "Map.h"
     51 #include "qtypes.h"
     52 #include "OMX_Core.h"
     53 #include "OMX_QCOMExtns.h"
     54 
     55 
     56 class HEVC_Utils
     57 {
     58     public:
     59         HEVC_Utils();
     60         ~HEVC_Utils();
     61 
     62         enum {
     63             NAL_UNIT_CODED_SLICE_TRAIL_N,    // 0
     64             NAL_UNIT_CODED_SLICE_TRAIL_R,    // 1
     65             NAL_UNIT_CODED_SLICE_TSA_N,        // 2
     66             NAL_UNIT_CODED_SLICE_TLA,        // 3
     67             NAL_UNIT_CODED_SLICE_STSA_N,    // 4
     68             NAL_UNIT_CODED_SLICE_STSA_R,    // 5
     69             NAL_UNIT_CODED_SLICE_RADL_N,    // 6
     70             NAL_UNIT_CODED_SLICE_DLP,        // 7
     71             NAL_UNIT_CODED_SLICE_RASL_N,    // 8
     72             NAL_UNIT_CODED_SLICE_TFD,        // 9
     73             NAL_UNIT_RESERVED_10,
     74             NAL_UNIT_RESERVED_11,
     75             NAL_UNIT_RESERVED_12,
     76             NAL_UNIT_RESERVED_13,
     77             NAL_UNIT_RESERVED_14,
     78             NAL_UNIT_RESERVED_15,
     79             NAL_UNIT_CODED_SLICE_BLA,        // 16
     80             NAL_UNIT_CODED_SLICE_BLANT,        // 17
     81             NAL_UNIT_CODED_SLICE_BLA_N_LP,    // 18
     82             NAL_UNIT_CODED_SLICE_IDR,        // 19
     83             NAL_UNIT_CODED_SLICE_IDR_N_LP,    // 20
     84             NAL_UNIT_CODED_SLICE_CRA,        // 21
     85             NAL_UNIT_RESERVED_22,
     86             NAL_UNIT_RESERVED_23,
     87             NAL_UNIT_RESERVED_24,
     88             NAL_UNIT_RESERVED_25,
     89             NAL_UNIT_RESERVED_26,
     90             NAL_UNIT_RESERVED_27,
     91 
     92             NAL_UNIT_RESERVED_28,
     93             NAL_UNIT_RESERVED_29,
     94             NAL_UNIT_RESERVED_30,
     95             NAL_UNIT_RESERVED_31,
     96 
     97             NAL_UNIT_VPS,                    // 32
     98             NAL_UNIT_SPS,                    // 33
     99             NAL_UNIT_PPS,                    // 34
    100             NAL_UNIT_ACCESS_UNIT_DELIMITER, // 35
    101             NAL_UNIT_EOS,                    // 36
    102             NAL_UNIT_EOB,                    // 37
    103             NAL_UNIT_FILLER_DATA,            // 38
    104             NAL_UNIT_SEI,                    // 39 Prefix SEI
    105             NAL_UNIT_SEI_SUFFIX,            // 40 Suffix SEI
    106 
    107             NAL_UNIT_RESERVED_41,
    108             NAL_UNIT_RESERVED_42,
    109             NAL_UNIT_RESERVED_43,
    110             NAL_UNIT_RESERVED_44,
    111             NAL_UNIT_RESERVED_45,
    112             NAL_UNIT_RESERVED_46,
    113             NAL_UNIT_RESERVED_47,
    114             NAL_UNIT_UNSPECIFIED_48,
    115             NAL_UNIT_UNSPECIFIED_49,
    116             NAL_UNIT_UNSPECIFIED_50,
    117             NAL_UNIT_UNSPECIFIED_51,
    118             NAL_UNIT_UNSPECIFIED_52,
    119             NAL_UNIT_UNSPECIFIED_53,
    120             NAL_UNIT_UNSPECIFIED_54,
    121             NAL_UNIT_UNSPECIFIED_55,
    122             NAL_UNIT_UNSPECIFIED_56,
    123             NAL_UNIT_UNSPECIFIED_57,
    124             NAL_UNIT_UNSPECIFIED_58,
    125             NAL_UNIT_UNSPECIFIED_59,
    126             NAL_UNIT_UNSPECIFIED_60,
    127             NAL_UNIT_UNSPECIFIED_61,
    128             NAL_UNIT_UNSPECIFIED_62,
    129             NAL_UNIT_UNSPECIFIED_63,
    130             NAL_UNIT_INVALID,
    131         };
    132 
    133 
    134         void initialize_frame_checking_environment();
    135         bool isNewFrame(OMX_BUFFERHEADERTYPE *p_buf_hdr,
    136                 OMX_IN OMX_U32 size_of_nal_length_field,
    137                 OMX_OUT OMX_BOOL &isNewFrame);
    138 
    139     private:
    140 
    141         bool              m_forceToStichNextNAL;
    142         bool              m_au_data;
    143         uint32 nalu_type;
    144 };
    145 
    146 #endif /* HEVC_UTILS_H */
    147