umc_h264_dec_defs_dec.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//              INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license  agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in  accordance  with the terms of that agreement.
//        Copyright (c) 2003-2005 Intel Corporation. All Rights Reserved.
//
//
*/
#ifndef __UMC_H264_DEC_DEFS_DEC_H__
#define __UMC_H264_DEC_DEFS_DEC_H__

#include <string.h>
#include "ippdefs.h"
#include "ippvc.h"
#include "ipps.h"
#include "umc_h264_dec_ipplevel.h"


namespace UMC
{

#if defined (_ARM_) || defined (ARM) || defined (_WIN32_WCE)
#define SMALL_MEMORY_USE
#endif

//#define USE_SEI since it's not always correct better turn this off
//
// Define some useful macros
//

#define MAX_NUM_SLICE_GROUPS 8
#define MAX_SLICE_GROUP_MAP_TYPE 6

#undef  MAX
#define MAX(a, b)       (((a) > (b)) ? (a) : (b))

#undef  MIN
#define MIN(a, b)       (((a) < (b)) ? (a) : (b))

#undef  ABS
#define ABS(A) ((A)<(0) ? (-(A)):(A))

#define    _ALIGN(p, n)    ((Ipp8u*)(p) + ((((Ipp8u*)(p) - (Ipp8u*)(0)) & ((n)-1)) ? \
                            ((n) - (((Ipp8u*)(p) - (Ipp8u*)(0)) & ((n)-1))) : 0))

#define    _IS_ALIGNED(p, n)    (!(((Ipp8u*)(p) - (Ipp8u*)(0)) & ((n)-1)))

//#define REDUCE_DPB_TO_MAX_REF_FRAMES //NonStandart REDUCTION!!!


    // Although the standard allows for a minimum width or height of 4, this
// implementation restricts the minimum value to 32.
#define FLD_STRUCTURE 0
#define TOP_FLD_STRUCTURE 0
#define BOTTOM_FLD_STRUCTURE 1
#define FRM_STRUCTURE 2
#define AFRM_STRUCTURE 3
#ifndef SHARED_ENCDEC_STRUCTURES_DEFS
#define SHARED_ENCDEC_STRUCTURES_DEFS

#define NORMAL_FRAME_PROCESSING 0
#define COMBINE_FIELDS 1
#define REPEAT_LAST_FRAME  2
// Valid QP range
const Ipp32s QP_MAX = 51;
const Ipp32s QP_MIN = 0;

// Note!  The Picture Code Type values below are no longer used in the
// core encoder.   It only knows about slice types, and whether or not
// the frame is IDR, Reference or Disposable.  See enum above.

enum EnumSliceCodType        // Permitted MB Prediction Types
{                        // ------------------------------------
    PREDSLICE      = 0,    // I (Intra), P (Pred)
    BPREDSLICE     = 1, // I, P, B (BiPred)
    INTRASLICE       = 2,    // I
    S_PREDSLICE    = 3,    // SP (SPred), I
    S_INTRASLICE   = 4    // SI (SIntra), I
};


typedef enum {
    MBTYPE_INTRA,            // 4x4
    MBTYPE_INTRA_16x16,
    MBTYPE_PCM,                // Raw Pixel Coding, qualifies as a INTRA type...
    MBTYPE_INTER,            // 16x16
    MBTYPE_INTER_16x8,
    MBTYPE_INTER_8x16,
    MBTYPE_INTER_8x8,
    MBTYPE_INTER_8x8_REF0,
    MBTYPE_FORWARD,
    MBTYPE_BACKWARD,
    MBTYPE_SKIPPED,
    MBTYPE_DIRECT,
    MBTYPE_BIDIR,
    MBTYPE_FWD_FWD_16x8,
    MBTYPE_FWD_FWD_8x16,
    MBTYPE_BWD_BWD_16x8,
    MBTYPE_BWD_BWD_8x16,
    MBTYPE_FWD_BWD_16x8,
    MBTYPE_FWD_BWD_8x16,
    MBTYPE_BWD_FWD_16x8,
    MBTYPE_BWD_FWD_8x16,
    MBTYPE_BIDIR_FWD_16x8,
    MBTYPE_BIDIR_FWD_8x16,
    MBTYPE_BIDIR_BWD_16x8,
    MBTYPE_BIDIR_BWD_8x16,
    MBTYPE_FWD_BIDIR_16x8,
    MBTYPE_FWD_BIDIR_8x16,
    MBTYPE_BWD_BIDIR_16x8,
    MBTYPE_BWD_BIDIR_8x16,
    MBTYPE_BIDIR_BIDIR_16x8,
    MBTYPE_BIDIR_BIDIR_8x16,
    MBTYPE_B_8x8,
    NUMBER_OF_MBTYPES
} MB_Type;


// 8x8 Macroblock subblock type definitions
typedef enum {
    SBTYPE_8x8 = 0,        // P slice modes
    SBTYPE_8x4 = 1,
    SBTYPE_4x8 = 2,
    SBTYPE_4x4 = 3,
    SBTYPE_DIRECT = 4,            // B Slice modes
    SBTYPE_FORWARD_8x8 = 5,        // Subtract 4 for mode #
    SBTYPE_BACKWARD_8x8 = 6,
    SBTYPE_BIDIR_8x8 = 7,
    SBTYPE_FORWARD_8x4 = 8,
    SBTYPE_FORWARD_4x8 = 9,
    SBTYPE_BACKWARD_8x4 = 10,
    SBTYPE_BACKWARD_4x8 = 11,
    SBTYPE_BIDIR_8x4 = 12,
    SBTYPE_BIDIR_4x8 = 13,
    SBTYPE_FORWARD_4x4 = 14,
    SBTYPE_BACKWARD_4x4 = 15,
    SBTYPE_BIDIR_4x4 = 16
} SB_Type;
#endif /*SHARED_ENCDEC_STRUCTURES_DEFS*/

#define IS_I_SLICE(SliceType) ((SliceType) == INTRASLICE)
#define IS_P_SLICE(SliceType) ((SliceType) == PREDSLICE || (SliceType) == S_PREDSLICE)
#define IS_B_SLICE(SliceType) ((SliceType) == BPREDSLICE)

#define MAX_SKIP_REPEAT 4
#define SKIP_DEBLOCKING_MODE 1
#define SKIP_NONREF_FRAMES_MODE 10

#define SKIP_THRESHOLD4 64
#define SKIP_THRESHOLD3 8
#define SKIP_THRESHOLD2 2
#define SKIP_THRESHOLD1 1

#define SKIP_PER_CYCLE 1
#define NUM_SKIP_PER_CYCLE 1

#define INCREASE_SKIP_REPEAT_COUNTER(value)(m_SkipRepeat+=(value))
#define IS_SKIP_DEBLOCKING_MODE (m_PermanentTurnOffDeblocking>0)
#define IS_SKIP_NONREF_FRAMES_MODE(mode) ((mode)>=SKIP_DEBLOCKING_MODE /*&& (mode)<SKIP_NONREF_FRAMES_MODE*/)
#define IS_DECODE_ONLY_INTRA_REF_SLICES(mode) ((mode)>=SKIP_NONREF_FRAMES_MODE && 0)
#define QPFromCode(x) ClipQPTable[x+52];
// Macroblock type definitions
// Keep these ordered such that intra types are first, followed by
// inter types.  Otherwise you'll need to change the definitions
// of IS_INTRA_MBTYPE and IS_INTER_MBTYPE.
//
// WARNING:  Because the decoder exposes macroblock types to the application,
// these values cannot be changed without affecting users of the decoder.
// If new macro block types need to be inserted in the middle of the list,
// then perhaps existing types should retain their numeric value, the new
// type should be given a new value, and for coding efficiency we should
// perhaps decouple these values from the ones that are encoded in the
// bitstream.
//
//

#define MAX_NUM_SEQ_PARAM_SETS 32
#define MAX_NUM_PIC_PARAM_SETS 128
// Possible values for disable_deblocking_filter_idc:
#define DEBLOCK_FILTER_ON                   0
#define DEBLOCK_FILTER_OFF                  1
#define DEBLOCK_FILTER_ON_NO_SLICE_EDGES    2

#define MAX_DEC_BATCH_MB 120*68//45*30


#define MAX_SLICE_NUM 64 //INCREASE IF NEEDED OR SET to -1 for adaptive counting (increases memory usage)

#define MAX_NUM_REF_FRAMES 32

// macro - yields TRUE if a given MB type is INTRA
#define IS_INTRA_MBTYPE(mbtype) ((mbtype) < MBTYPE_INTER)

// macro - yields TRUE if a given MB type is INTER
#define IS_INTER_MBTYPE(mbtype) ((mbtype) >= MBTYPE_INTER)


// Sequence parameter set structure, corresponding to the H.264 bitstream definition.
struct H264SeqParamSet
{
    Ipp8u        profile_idc;                        // baseline, main, etc.
    Ipp8u        level_idc;
    Ipp8u        constrained_set0_flag;
    Ipp8u        constrained_set1_flag;
    Ipp8u        constrained_set2_flag;
    Ipp8u        constrained_set3_flag;
    Ipp8u        gaps_in_frame_num_value_allowed_flag;
    Ipp8u        frame_cropping_flag;
    Ipp32u       frame_cropping_rect_left_offset;
    Ipp32u       frame_cropping_rect_right_offset;
    Ipp32u       frame_cropping_rect_top_offset;
    Ipp32u       frame_cropping_rect_bottom_offset;
    Ipp8u        more_than_one_slice_group_allowed_flag;
    Ipp8u        arbitrary_slice_order_allowed_flag;    // If zero, slice order in pictures must
                                                    // be in increasing MB address order.
    Ipp8u        redundant_pictures_allowed_flag;
    Ipp8u        seq_parameter_set_id;                // id of this sequence parameter set
    Ipp8u        log2_max_frame_num;                    // Number of bits to hold the frame_num
    Ipp8u        pic_order_cnt_type;                    // Picture order counting method

    Ipp8u        delta_pic_order_always_zero_flag;    // If zero, delta_pic_order_cnt fields are
                                                    // present in slice header.
    Ipp8u        frame_mbs_only_flag;                // Nonzero indicates all pictures in sequence
                                                    // are coded as frames (not fields).
    Ipp8u        required_frame_num_update_behavior_flag;

    Ipp8u        mb_adaptive_frame_field_flag;        // Nonzero indicates frame/field switch
                                                    // at macroblock level
    Ipp8u        direct_8x8_inference_flag;            // Direct motion vector derivation method
    Ipp8u        vui_parameters_present_flag;        // Zero indicates default VUI parameters
    Ipp32u       log2_max_pic_order_cnt_lsb;            // Value of MaxPicOrderCntLsb.
    Ipp32s       offset_for_non_ref_pic;

    Ipp32s       offset_for_top_to_bottom_field;        // Expected pic order count difference from
                                                // top field to bottom field.

    Ipp32u       num_ref_frames_in_pic_order_cnt_cycle;
    Ipp32s       *poffset_for_ref_frame;                // pointer to array of stored frame offsets,
                                                    // length num_stored_frames_in_pic_order_cnt_cycle,
                                                    // for pic order cnt type 1
    Ipp32u       num_ref_frames;                        // total number of pics in decoded pic buffer
    Ipp32u       frame_width_in_mbs;
    Ipp32u       frame_height_in_mbs;

    // These fields are calculated from values above.  They are not written to the bitstream
    Ipp32u       MaxMbAddress;
    Ipp32u       MaxPicOrderCntLsb;
    // vui part
    Ipp8u        aspect_ratio_info_present_flag;
    Ipp8u        aspect_ratio_idc;
    Ipp16u       sar_width;
    Ipp16u       sar_height;
    Ipp8u        overscan_info_present_flag;
    Ipp8u        overscan_appropriate_flag;
    Ipp8u        video_signal_type_present_flag;
    Ipp8u        video_format;
    Ipp8u        video_full_range_flag;
    Ipp8u        colour_description_present_flag;
    Ipp8u        colour_primaries;
    Ipp8u        transfer_characteristics;
    Ipp8u        matrix_coefficients;
    Ipp8u        chroma_loc_info_present_flag;
    Ipp8u        chroma_sample_loc_type_top_field;
    Ipp8u        chroma_sample_loc_type_bottom_field;
    Ipp8u        timing_info_present_flag;
    Ipp32u       num_units_in_tick;
    Ipp32u       time_scale;
    Ipp8u        fixed_frame_rate_flag;
    Ipp8u        nal_hrd_parameters_present_flag;
    Ipp8u        vcl_hrd_parameters_present_flag;
    Ipp8u        low_delay_hrd_flag;
    Ipp8u        pic_struct_present_flag;
    Ipp8u        bitstream_restriction_flag;
    Ipp8u        motion_vectors_over_pic_boundaries_flag;
    Ipp8u        max_bytes_per_pic_denom;
    Ipp8u        max_bits_per_mb_denom;
    Ipp8u        log2_max_mv_length_horizontal;
    Ipp8u        log2_max_mv_length_vertical;
    Ipp8u        num_reorder_frames;
    Ipp8u        max_dec_frame_buffering;
    //hrd_parameters
    Ipp8u        cpb_cnt;
    Ipp8u        bit_rate_scale;
    Ipp8u        cpb_size_scale;
    Ipp32u        bit_rate_value[32];
    Ipp8u        cpb_size_value[32];
    Ipp8u        cbr_flag[32];