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📄 lencod.c

📁 H.264视频编解码的标准测试模型
💻 C
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  if (img->frame_num == 0)
  {
    bitcounter = stats->bit_ctr_I;
  }
  else
  {
    bitcounter = stats->bit_ctr_n - last_bit_ctr_n;
    last_bit_ctr_n = stats->bit_ctr_n;
  }

  //report bitrate
  fprintf(p_stat_frm, " %9d|", bitcounter);
  
  //report snr's
  fprintf(p_stat_frm, " %2.4f| %2.4f| %2.4f|", snr->snr_y, snr->snr_u, snr->snr_v);
  
  //report modes
  //I-Modes
  fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I4MB] - last_mode_use[I_SLICE][I4MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I8MB] - last_mode_use[I_SLICE][I8MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I16MB] - last_mode_use[I_SLICE][I16MB]);
  
  //chroma intra mode
  fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[0] - last_mode_chroma_use[0]);
  fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[1] - last_mode_chroma_use[1]);
  fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[2] - last_mode_chroma_use[2]);
  fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[3] - last_mode_chroma_use[3]);
  
  //P-Modes
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I4MB] - last_mode_use[P_SLICE][I4MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I8MB] - last_mode_use[P_SLICE][I8MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I16MB] - last_mode_use[P_SLICE][I16MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][0   ] - last_mode_use[P_SLICE][0   ]);
  
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][1   ] - last_mode_use[P_SLICE][1   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][2   ] - last_mode_use[P_SLICE][2   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][3   ] - last_mode_use[P_SLICE][3   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][1]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][1]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][2]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][2]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][3]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][3]);
  
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][P8x8] - last_mode_use[P_SLICE][P8x8]);
//  fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use[P_SLICE][0]  - last_b8_mode_0[P_SLICE ][0]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][4   ] - last_mode_use[P_SLICE][4   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][4]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][4]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][5   ] - last_mode_use[P_SLICE][5   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][6   ] - last_mode_use[P_SLICE][6   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][7   ] - last_mode_use[P_SLICE][7   ]);
  
  //B-Modes
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I4MB] - last_mode_use[B_SLICE][I4MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I8MB] - last_mode_use[B_SLICE][I8MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I16MB] - last_mode_use[B_SLICE][I16MB]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][0   ] - last_mode_use[B_SLICE][0   ]);
  /*
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][1   ] - last_mode_use[B_SLICE][1   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][2   ] - last_mode_use[B_SLICE][2   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][3   ] - last_mode_use[B_SLICE][3   ]);
  */
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][1   ] - last_mode_use[B_SLICE][1   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][2   ] - last_mode_use[B_SLICE][2   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][3   ] - last_mode_use[B_SLICE][3   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][0]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][0]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][1]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][1]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][2]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][2]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][3]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][3]);
  
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][P8x8] - last_mode_use[B_SLICE][P8x8]);
  fprintf(p_stat_frm, " %5d|",(stats->b8_mode_0_use [B_SLICE][0]+stats->b8_mode_0_use [B_SLICE][1]) - (last_b8_mode_0[B_SLICE][0]+last_b8_mode_0[B_SLICE][1]));
  fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use [B_SLICE][1] - last_b8_mode_0[B_SLICE][1]);
  fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use [B_SLICE][0] - last_b8_mode_0[B_SLICE][0]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][4   ] - last_mode_use[B_SLICE][4   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][4]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][4]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][5   ] - last_mode_use[B_SLICE][5   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][6   ] - last_mode_use[B_SLICE][6   ]);
  fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][7   ] - last_mode_use[B_SLICE][7   ]);

  fprintf(p_stat_frm, "\n");
  
  //save the last results
  memcpy(last_mode_use[I_SLICE],stats->mode_use[I_SLICE], MAXMODE *  sizeof(int));
  memcpy(last_mode_use[P_SLICE],stats->mode_use[P_SLICE], MAXMODE *  sizeof(int));
  memcpy(last_mode_use[B_SLICE],stats->mode_use[B_SLICE], MAXMODE *  sizeof(int));
  memset(stats->mode_use_transform_8x8,0, 2 * MAXMODE *  sizeof(int));
  memset(stats->mode_use_transform_4x4,0, 2 * MAXMODE *  sizeof(int));
  memcpy(last_b8_mode_0[B_SLICE],stats->b8_mode_0_use[B_SLICE], 2 *  sizeof(int));
  memcpy(last_mode_chroma_use,stats->intra_chroma_mode, 4 *  sizeof(int));

  frame_statistic_start = 0;
  fclose(p_stat_frm);
}


/*!
 ************************************************************************
 * \brief
 *    Reports the gathered information to appropriate outputs
 * \par Input:
 *    struct inp_par *inp,                                            \n
 *    struct img_par *img,                                            \n
 *    struct stat_par *stats,                                          \n
 *    struct stat_par *stats                                           \n
 *
 * \par Output:
 *    None
 ************************************************************************
 */
void report()
{
  int bit_use[NUM_PIC_TYPE][2] ;
  int i,j;
  char name[30];
  int total_bits;
  float frame_rate;
  float mean_motion_info_bit_use[2] = {0.0};

#ifndef WIN32
  time_t now;
  struct tm *l_time;
  char string[1000];
#else
  char timebuf[128];
#endif
  bit_use[I_SLICE][0] = frame_ctr[I_SLICE];
  bit_use[P_SLICE][0] = max(frame_ctr[P_SLICE] + frame_ctr[SP_SLICE],1);
  bit_use[B_SLICE][0] = frame_ctr[B_SLICE];

  //  Accumulate bit usage for inter and intra frames
  for (j=0;j<NUM_PIC_TYPE;j++)
  {
    bit_use[j][1] = 0;
  }

  for (j=0;j<NUM_PIC_TYPE;j++)
  {
    for(i=0; i<MAXMODE; i++)
      bit_use[j][1] += stats->bit_use_mode    [j][i]; 

    bit_use[j][1]+=stats->bit_use_header[j];
    bit_use[j][1]+=stats->bit_use_mb_type[j];
    bit_use[j][1]+=stats->tmp_bit_use_cbp[j];
    bit_use[j][1]+=stats->bit_use_coeffY[j];
    bit_use[j][1]+=stats->bit_use_coeffC[j];
    bit_use[j][1]+=stats->bit_use_delta_quant[j];
    bit_use[j][1]+=stats->bit_use_stuffingBits[j];
  }

  frame_rate = (img->framerate *(float)(stats->successive_Bframe + 1)) / (float) (input->jumpd+1);

//! Currently adding NVB bits on P rate. Maybe additional stats info should be created instead and added in log file
  stats->bitrate_I = (stats->bit_ctr_I)*(frame_rate)/(float) (input->no_frames + frame_ctr[B_SLICE]);
  stats->bitrate_P = (stats->bit_ctr_P)*(frame_rate)/(float) (input->no_frames + frame_ctr[B_SLICE]);
  stats->bitrate_B = (stats->bit_ctr_B)*(frame_rate)/(float) (input->no_frames + frame_ctr[B_SLICE]);    

  fprintf(stdout,"-------------------------------------------------------------------------------\n");
  if (input->Verbose != 0)
  {
    fprintf(stdout,  " Freq. for encoded bitstream       : %1.0f\n",img->framerate/(float)(input->jumpd+1));
    switch (input->hadamard)
    {
    case 2:
      fprintf(stdout," Hadamard transform                : Used for QPel\n");
      break;
    case 1:
      fprintf(stdout," Hadamard transform                : Used\n");    
      break;
    default:
      fprintf(stdout," Hadamard transform                : Not used\n");
      break;
    }
    
    fprintf(stdout,  " Image format                      : %dx%d\n",input->img_width,input->img_height);
    
    if(input->intra_upd)
      fprintf(stdout," Error robustness                  : On\n");
    else
      fprintf(stdout," Error robustness                  : Off\n");
    fprintf(stdout,  " Search range                      : %d\n",input->search_range);
    
    fprintf(stdout,  " Total number of references        : %d\n",input->num_ref_frames);
    fprintf(stdout,  " References for P slices           : %d\n",input->P_List0_refs? input->P_List0_refs:input->num_ref_frames);
    if(stats->successive_Bframe != 0)
    {
      fprintf(stdout," List0 references for B slices     : %d\n",input->B_List0_refs? input->B_List0_refs:input->num_ref_frames);
      fprintf(stdout," List1 references for B slices     : %d\n",input->B_List1_refs? input->B_List1_refs:input->num_ref_frames);
    }
    
    fprintf(stdout,  " Total encoding time for the seq.  : %.3f sec (%.2f fps)\n",tot_time*0.001, 1000.0*(input->no_frames + frame_ctr[B_SLICE])/tot_time);
    fprintf(stdout,  " Total ME time for sequence        : %.3f sec \n",me_tot_time*0.001);
    
    // B pictures
    fprintf(stdout,  " Sequence type                     :" );
    
    if(stats->successive_Bframe>0 && input->PyramidCoding) 
    {
      fprintf(stdout, " Pyramid (QP: I %d, P %d, B %d) \n",
        input->qp0, input->qpN, input->qpB);
    }
    else if(stats->successive_Bframe>0) 
    {
      char seqtype[80];
      int i,j;
      
      strcpy (seqtype,"I");
      
      for (j=0;j<2;j++)
      {
        for (i=0;i<stats->successive_Bframe;i++)
        {
          if (input->BRefPictures)
            strncat(seqtype,"-RB",max (0, (int) (79-strlen(seqtype))));
          else
            strncat(seqtype,"-B",max (0, (int) (79-strlen(seqtype))));
        }
        strncat(seqtype,"-P",max (0, (int) (79-strlen(seqtype))));
      }
      if (input->BRefPictures)
        fprintf(stdout, " %s (QP: I %d, P %d, RB %d) \n", seqtype,input->qp0, input->qpN, Clip3(0,51,input->qpB+input->qpBRSOffset));
      else
        fprintf(stdout, " %s (QP: I %d, P %d, B %d) \n", seqtype,input->qp0, input->qpN, input->qpB);
    }
    else if(stats->successive_Bframe==0 && input->sp_periodicity==0) fprintf(stdout, " IPPP (QP: I %d, P %d) \n",   input->qp0, input->qpN);
    
    else fprintf(stdout, " I-P-P-SP-P (QP: I %d, P %d, SP (%d, %d)) \n",  input->qp0, input->qpN, input->qpsp, input->qpsp_pred);
    
    // report on entropy coding  method
    if (input->symbol_mode == UVLC)
      fprintf(stdout," Entropy coding method             : CAVLC\n");
    else
      fprintf(stdout," Entropy coding method             : CABAC\n");
    
    fprintf(stdout,  " Profile/Level IDC                 : (%d,%d)\n",input->ProfileIDC,input->LevelIDC);
    
  if (input->FMEnable==1)
    fprintf(stdout,  " Motion Estimation Scheme          : HEX\n");    
  else if (input->FMEnable==2)
    fprintf(stdout,  " Motion Estimation Scheme          : SHEX\n");
   else if (input->FMEnable == 3)
   {
     fprintf(stdout,  " Motion Estimation Scheme          : EPZS\n");
     EPZSOutputStats(stdout, 0);
   }
  else
    fprintf(stdout,  " Motion Estimation Scheme          : Full Search\n");


    
#ifdef _FULL_SEARCH_RANGE_
    if (input->full_search == 2)
      fprintf(stdout," Search range restrictions         : none\n");
    else if (input->full_search == 1)
      fprintf(stdout," Search range restrictions         : older reference frames\n");
    else
      fprintf(stdout," Search range restrictions         : smaller blocks and older reference frames\n");
#endif
    
    if (input->rdopt)
      fprintf(stdout," RD-optimized mode decision        : used\n");
    else
      fprintf(stdout," RD-optimized mode decision        : not used\n");
    
    switch(input->partition_mode)
    {
    case PAR_DP_1:
      fprintf(stdout," Data Partitioning Mode            : 1 partition \n");
      break;
    case PAR_DP_3:
      fprintf(stdout," Data Partitioning Mode            : 3 partitions \n");
      break;
    default:
      fprintf(stdout," Data Partitioning Mode            : not supported\n");
      break;
    }
    
    switch(input->of_mode)
    {
    case PAR_OF_ANNEXB:
      fprintf(stdout," Output File Format                : H.264 Bit Stream File Format \n");
      break;
    case PAR_OF_RTP:
      fprintf(stdout," Output File Format                : RTP Packet File Format \n");
      break;
    default:
      fprintf(stdout," Output File Format                : not supported\n");
      break;
    }
    // Residue Color Transform
    if(input->residue_transform_flag)
      fprintf(stdout," Residue Color Transform           : used\n");
    else
      fprintf(stdout," Residue Color Transform           : not used\n");
}

  fprintf(stdout,"------------------ Average data all frames  -----------------------------------\n");
  if (input->Verbose != 0)
  {
    int  impix = input->img_height * input->img_width;
    int  impix_cr = input->img_height_cr * input->img_width_cr;
    unsigned int max_pix_value_sqd = img->max_imgpel_value * img->max_imgpel_value;
    unsigned int max_pix_value_sqd_uv = img->max_imgpel_value_uv * img->max_imgpel_value_uv;
    float csnr_y = (float) (10 * log10 (max_pix_value_sqd * 
      (double)((double) impix / (snr->msse_y == 0.0? 1.0 : snr->msse_y))));  
    float csnr_u = (float) (10 * log10 (max_pix_value_sqd_uv * 
      (double)((double) impix_cr / (snr->msse_u == 0.0? 1.0 : snr->msse_u))));  
    float csnr_v = (float) (10 * log10 (max_pix_value_sqd_uv * 
      (double)((double) impix_cr / (snr->msse_v == 0.0? 1.0 : snr->msse_v))));  

    fprintf(stdout," SNR Y(dB)                         : %5.2f\n",snr->snr_ya);
    fprintf(stdout," SNR U(dB)                         : %5.2f\n",snr->snr_ua);
    fprintf(stdout," SNR V(dB)                         : %5.2f\n",snr->snr_va);
    fprintf(stdout," cSNR Y(dB)                        : %5.2f (%5.2f)\n",csnr_y,snr->msse_y/impix);
    fprintf(stdout," cSNR U(dB)                        : %5.2f (%5.2f)\n",csnr_u,snr->msse_u/impix_cr);
    fprintf(stdout," cSNR V(dB)                        : %5.2f (%5.2f)\n",csnr_v,snr->msse_v/impix_cr);
  }
  else
    fprintf(stdout,  " Total encoding time for the seq.  : %.3f sec (%.2f fps)\n",tot_time*0.001, 1000.0*(input->no_frames + frame_ctr[B_SLICE])/tot_time);

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