global.h

H.264视频编解码的标准测试模型

  int LossRateC;              //!< assumed loss probablility of partition C, in per cent, used for loss-aware R/D 
  int NoOfDecoders;
  int RestrictRef;
  int NumFramesInELSubSeq;
  int NumFrameIn2ndIGOP;

  int RandomIntraMBRefresh;     //!< Number of pseudo-random intra-MBs per picture

  int LFSendParameters;
  int LFDisableIdc;
  int LFAlphaC0Offset;
  int LFBetaOffset;

  int SparePictureOption;
  int SPDetectionThreshold;
  int SPPercentageThreshold;

  // FMO
  char SliceGroupConfigFileName[FILE_NAME_SIZE];    //!< Filename for config info fot type 0, 2, 6	
  int num_slice_groups_minus1;           //!< "FmoNumSliceGroups" in encoder.cfg, same as FmoNumSliceGroups, which should be erased later
  int slice_group_map_type; 

  int *top_left;                         //!< top_left and bottom_right store values indicating foregrounds
  int *bottom_right; 
  byte *slice_group_id;                   //!< slice_group_id is for slice group type being 6  
  int *run_length_minus1;                //!< run_length_minus1 is for slice group type being 0

  int slice_group_change_direction_flag;
  int slice_group_change_rate_minus1;
  int slice_group_change_cycle;

  int redundant_slice_flag; //! whether redundant slices exist,  JVT-D101
  int pic_order_cnt_type;   // POC200301

  int context_init_method;
  int model_number;
  int Transform8x8Mode;
  int ReportFrameStats;
  int DisplayEncParams;
  int Verbose;

  //! Rate Control on JVT standard 
  int RCEnable;    
  int bit_rate;
  int SeinitialQP;
  int basicunit;
  int channel_type;

  int ScalingMatrixPresentFlag;
  int ScalingListPresentFlag[8];

  // FastME enable
  int FMEnable;

  // Fidelity Range Extensions
  int BitDepthLuma;
  int BitDepthChroma;
  int img_height_cr;
  int img_width_cr;
  int rgb_input_flag;
  int cb_qp_index_offset;
  int cr_qp_index_offset;

  // Lossless Coding
  int lossless_qpprime_y_zero_flag;

  //Residue Color Transform
  int residue_transform_flag;

  // Lambda Params
  int UseExplicitLambdaParams;
  double LambdaWeight[6];

  char QOffsetMatrixFile[FILE_NAME_SIZE];        //!< Quantization Offset matrix cfg file
  int  OffsetMatrixPresentFlag;                  //!< Enable Explicit Quantization Offset Matrices

  int AdaptiveRounding;                          //!< Adaptive Rounding parameter based on JVT-N011
  int AdaptRndPeriod;                            //!< Set period for adaptive rounding of JVT-N011 in MBs
  int AdaptRndChroma;
  int AdaptRndWFactor[2][5];                     //!< Weighting factors based on reference indicator and slice type 
  // Fast Mode Decision
  int EarlySkipEnable;
  int SelectiveIntraEnable;
  int DisposableP;
  int DispPQPOffset;
} InputParameters;

//! ImageParameters
typedef struct
{
  int number;                  //!< current image number to be encoded
  int pn;                      //!< picture number
  int LevelIndex;              //!< mapped level idc
  int current_mb_nr;
  int total_number_mb;
  int current_slice_nr;
  int type;
  int structure;               //!< picture structure
  int num_ref_frames;          //!< number of reference frames to be used
  int max_num_references;      //!< maximum number of reference pictures that may occur
  int qp;                      //!< quant for the current frame
  int qpsp;                    //!< quant for the prediction frame of SP-frame
  float framerate;
  int width;                   //!< Number of pels
  int width_cr;                //!< Number of pels chroma
  int height;                  //!< Number of lines
  int height_cr;               //!< Number of lines  chroma
  int height_cr_frame;         //!< Number of lines  chroma frame
  int subblock_x;              //!< current subblock horizontal
  int subblock_y;              //!< current subblock vertical
  int is_intra_block;
  int is_v_block;
  int mb_y_upd;
  int mb_y_intra;              //!< which GOB to intra code
  int block_c_x;               //!< current block chroma vertical
  char **ipredmode;             //!< intra prediction mode
  char **ipredmode8x8;          //!< help storage for 8x8 modes, inserted by YV

  int cod_counter;             //!< Current count of number of skipped macroblocks in a row
  int ***nz_coeff;             //!< number of coefficients per block (CAVLC)

  int mb_x;                    //!< current MB horizontal
  int mb_y;                    //!< current MB vertical
  int block_x;                 //!< current block horizontal
  int block_y;                 //!< current block vertical
  int pix_x;                   //!< current pixel horizontal
  int pix_y;                   //!< current pixel vertical
  int pix_c_x;                 //!< current pixel chroma horizontal
  int pix_c_y;                 //!< current pixel chroma vertical

  int opix_x;                   //!< current original picture pixel horizontal
  int opix_y;                   //!< current original picture pixel vertical
  int opix_c_x;                 //!< current original picture pixel chroma horizontal
  int opix_c_y;                 //!< current original picture pixel chroma vertical


  // some temporal buffers
  imgpel mprr[9][16][16];      //!< all 9 prediction modes? // enlarged from 4 to 16 for ABT (is that neccessary?)

  imgpel mprr_2[5][16][16];    //!< all 4 new intra prediction modes
  imgpel mprr_3[9][8][8];      //!< all 9 prediction modes for 8x8 transformation
  imgpel mprr_c[2][4][16][16]; //!< chroma intra prediction modes
  imgpel mpr[16][16];          //!< current best prediction mode
  int m7[16][16];              //!< the diff pixel values between orginal image and prediction

  int ****cofAC;               //!< AC coefficients [8x8block][4x4block][level/run][scan_pos]
  int ***cofDC;                //!< DC coefficients [yuv][level/run][scan_pos]

  int fadjust4x4[4][16][16];        //!< Transform coefficients for 4x4 luma. Excludes DC for I16x16
  int fadjust8x8[3][16][16];        //!< Transform coefficients for 8x8 luma       
  int fadjust4x4Cr[4][2][16][16];   //!< Transform coefficients for 4x4 chroma. Excludes DC chroma.
  int fadjust8x8Cr[1][2][16][16];   //!< Transform coefficients for 4x4 chroma within 8x8 inter blocks. 

  Picture     *currentPicture; //!< The coded picture currently in the works (typically frame_pic, top_pic, or bottom_pic)
  Slice       *currentSlice;                                //!< pointer to current Slice data struct
  Macroblock    *mb_data;                                   //!< array containing all MBs of a whole frame
  SyntaxElement   MB_SyntaxElements[MAX_SYMBOLS_PER_MB];    //!< temporal storage for all chosen syntax elements of one MB

  int *quad;               //!< Array containing square values,used for snr computation  */                                         /* Values are limited to 5000 for pixel differences over 70 (sqr(5000)).
  int *intra_block;

  int tr;
  int fld_type;                        //!< top or bottom field
  unsigned int fld_flag;                                
  unsigned int rd_pass;
  int direct_intraP_ref[4][4];
  int pstruct_next_P;
  int imgtr_next_P_frm;
  int imgtr_last_P_frm;
  int imgtr_next_P_fld;
  int imgtr_last_P_fld;

  // B pictures
  double b_interval;
  int p_interval;
  int b_frame_to_code;
  int fw_mb_mode;
  int bw_mb_mode;

  short****** pred_mv;                 //!< motion vector predictors for all block types and all reference frames
  short****** all_mv;                  //!< replaces local all_mv

  short****** bipred_mv1;              //!< Biprediction MVs
  short****** bipred_mv2;              //!< Biprediction MVs
  short bi_pred_me[MAXMODE];

  int LFDisableIdc;
  int LFAlphaC0Offset;
  int LFBetaOffset;

  int direct_spatial_mv_pred_flag;              //!< Direct Mode type to be used (0: Temporal, 1: Spatial)

  int num_ref_idx_l0_active;
  int num_ref_idx_l1_active;

  int field_mode;     //!< For MB level field/frame -- field mode on flag
  int top_field;      //!< For MB level field/frame -- top field flag
  int mvscale[6][MAX_REFERENCE_PICTURES];
  int buf_cycle;
  int i16offset;

  int layer;             //!< which layer this picture belonged to
  int old_layer;         //!< old layer number
  int NoResidueDirect;
  int AdaptiveRounding;                          //!< Adaptive Rounding parameter based on JVT-N011

  int redundant_pic_cnt; // JVT-D101

  int MbaffFrameFlag;    //!< indicates frame with mb aff coding

  //the following should probably go in sequence parameters
  // unsigned int log2_max_frame_num_minus4;
  unsigned int pic_order_cnt_type;
  // for poc mode 0, POC200301
  // unsigned int log2_max_pic_order_cnt_lsb_minus4;  
  // for poc mode 1, POC200301
  unsigned int delta_pic_order_always_zero_flag;
           int offset_for_non_ref_pic;
           int offset_for_top_to_bottom_field;
  unsigned int num_ref_frames_in_pic_order_cnt_cycle;
           int offset_for_ref_frame[1];  // MAX_LENGTH_POC_CYCLE in decoder

  // POC200301
  //the following is for slice header syntax elements of poc
  // for poc mode 0.
  unsigned int pic_order_cnt_lsb;
           int delta_pic_order_cnt_bottom;
  // for poc mode 1.
           int delta_pic_order_cnt[2];


  // POC200301
  unsigned int field_picture;
    signed int toppoc;      //!< poc for this frame or field
    signed int bottompoc;   //!< for completeness - poc of bottom field of a frame (always = poc+1)
    signed int framepoc;    //!< min (toppoc, bottompoc)
    signed int ThisPOC;     //!< current picture POC
  unsigned int frame_num;   //!< frame_num for this frame
  
  unsigned PicWidthInMbs;
  unsigned PicHeightInMapUnits;
  unsigned FrameHeightInMbs;
  unsigned PicHeightInMbs;
  unsigned PicSizeInMbs;
  unsigned FrameSizeInMbs;

  //the following should probably go in picture parameters
  unsigned int pic_order_present_flag; // ????????

  //the following are sent in the slice header
//  int delta_pic_order_cnt[2];
  int nal_reference_idc;

  int adaptive_ref_pic_buffering_flag;
  int no_output_of_prior_pics_flag;
  int long_term_reference_flag;

  DecRefPicMarking_t *dec_ref_pic_marking_buffer;

  int model_number;


  /*rate control*/
  int NumberofHeaderBits; 
  int NumberofTextureBits;
  int NumberofBasicUnitHeaderBits;
  int NumberofBasicUnitTextureBits;
  double TotalMADBasicUnit;
  int NumberofMBTextureBits;
  int NumberofMBHeaderBits;
  int NumberofCodedBFrame; 
  int NumberofCodedPFrame;
  int NumberofGOP;
  int TotalQpforPPicture;
  int NumberofPPicture;
  double *MADofMB;
  int BasicUnitQP;
  int TopFieldFlag;
  int FieldControl;
  int FieldFrame;
  int Frame_Total_Number_MB;
  int IFLAG;
  int NumberofCodedMacroBlocks;
  int BasicUnit;
  int write_macroblock;
  int bot_MB;
  int write_macroblock_frame;

  int DeblockCall;
        
  int last_pic_bottom_field;
  int last_has_mmco_5;
  int pre_frame_num;

  int slice_group_change_cycle;

  int pic_unit_size_on_disk;
  int bitdepth_luma;
  int bitdepth_chroma;
  int bitdepth_luma_qp_scale;
  int bitdepth_chroma_qp_scale;
  int bitdepth_lambda_scale;
  // Lagrangian Parameters
  double **lambda_md;     //!< Mode decision Lambda
  double **lambda_me;     //!< Motion Estimation Lambda
  int    **lambda_mf;     //!< Integer formatted Motion Estimation Lambda

  unsigned int dc_pred_value;   //!< value for DC prediction (depends on pel bit depth)
  int max_imgpel_value;         //!< max value that one picture element (pixel) can take (depends on pic_unit_bitdepth)
  int max_imgpel_value_uv;

  int num_blk8x8_uv;
  int num_cdc_coeff;
  int yuv_format;
  int lossless_qpprime_flag;
  int mb_cr_size_x;
  int mb_cr_size_y;

  int chroma_qp_offset[2];      //!< offset for qp for chroma [0-Cb, 1-Cr] 

  // Residue Color Transform
  int residue_transform_flag;

  int auto_crop_right;
  int auto_crop_bottom;

  short checkref;
  int last_valid_reference;


  int bytes_in_picture;
} ImageParameters;

#define NUM_PIC_TYPE 5
                                //!< statistics
typedef struct
{
  int   quant0;                 //!< quant for the first frame
  int   quant1;                 //!< average quant for the remaining frames
  float bitr;                   //!< bit rate for current frame, used only for output til terminal
  float bitrate;                //!< average bit rate for the sequence except first frame
  int   bit_ctr;                //!< counter for bit usage
  int   bit_ctr_n;              //!< bit usage for the current frame
  int   bit_slice;              //!< number of bits in current slice
  int   bit_ctr_emulationprevention; //!< stored bits needed to prevent start code emulation
  int   b8_mode_0_use[NUM_PIC_TYPE][2];
  int   mode_use_transform_8x8[NUM_PIC_TYPE][MAXMODE];
  int   mode_use_transform_4x4[NUM_PIC_TYPE][MAXMODE];
  int   intra_chroma_mode[4];
  
  // B pictures
  int   successive_Bframe;
  int   *mode_use_Bframe;
  int   *bit_use_mode_Bframe;
  int   bit_ctr_I;
  int   bit_ctr_P;
  int   bit_ctr_B;
  float bitrate_I;
  float bitrate_P;
  float bitrate_B;

  int   mode_use            [NUM_PIC_TYPE][MAXMODE]; //!< Macroblock mode usage for Intra frames
  int   bit_use_mode        [NUM_PIC_TYPE][MAXMODE]; //!< statistics of bit usage
  int   bit_use_stuffingBits[NUM_PIC_TYPE];
  int   bit_use_mb_type     [NUM_PIC_TYPE];
  int   bit_use_header      [NUM_PIC_TYPE];
  int   tmp_bit_use_cbp     [NUM_PIC_TYPE];