h.264

H.264编码解码器源码(c语言版本)

#ifdef _ADDITIONAL_REFERENCE_FRAME_
  if (input->add_ref_frame >= input->num_reference_frames)
  {
      fprintf(stdout,   " No of ref. frames used in P pred  : %d (+ no. %d)\n",input->num_reference_frames,input->add_ref_frame);
      if(input->successive_Bframe != 0)
        fprintf(stdout,   " No of ref. frames used in B pred  : %d (+ no. %d)\n",input->num_reference_frames,input->add_ref_frame);
  }
  else
#endif
  {
    fprintf(stdout,   " No of ref. frames used in P pred  : %d\n",input->num_reference_frames);
    if(input->successive_Bframe != 0)
      fprintf(stdout,   " No of ref. frames used in B pred  : %d\n",input->num_reference_frames);
  }
  fprintf(stdout,   " Total encoding time for the seq.  : %.3f sec \n",tot_time*0.001);

  // B pictures
  fprintf(stdout, " Sequence type                     :" );
  if(input->successive_Bframe==0 && input->StoredBPictures > 0)
    fprintf(stdout, " I-P-BS-BS (QP: I %d, P BS %d) \n",input->qp0, input->qpN);
  else if(input->successive_Bframe==1 && input->StoredBPictures > 0)
    fprintf(stdout, " I-B-P-BS-B-BS (QP: I %d, P BS %d, B %d) \n",input->qp0, input->qpN, input->qpB);
  else if(input->successive_Bframe==2 && input->StoredBPictures > 0)
    fprintf(stdout, " I-B-B-P-B-B-BS (QP: I %d, P BS %d, B %d) \n",input->qp0, input->qpN, input->qpB);
  else if(input->successive_Bframe==1)   fprintf(stdout, " IBPBP (QP: I %d, P %d, B %d) \n",
    input->qp0, input->qpN, input->qpB);
  else if(input->successive_Bframe==2) fprintf(stdout, " IBBPBBP (QP: I %d, P %d, B %d) \n",
    input->qp0, input->qpN, input->qpB);
  else if(input->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");

#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.26L 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;
    }




  fprintf(stdout,"------------------ Average data all frames  ------------------------------\n");
  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);

  if(Bframe_ctr!=0)
  {

    if(input->StoredBPictures > 0)
    {
      fprintf(stdout, " Total bits                        : %d (I %5d, P BS %5d, B %d) \n",
            total_bits=stat->bit_ctr_P + stat->bit_ctr_0 + stat->bit_ctr_B, stat->bit_ctr_0, stat->bit_ctr_P, stat->bit_ctr_B);
    }
    else
    {
      fprintf(stdout, " Total bits                        : %d (I %5d, P %5d, B %d) \n",
            total_bits=stat->bit_ctr_P + stat->bit_ctr_0 + stat->bit_ctr_B, stat->bit_ctr_0, stat->bit_ctr_P, stat->bit_ctr_B);
    }

    frame_rate = (float)(img->framerate *(input->successive_Bframe + 1)) / (float) (input->jumpd+1);
    stat->bitrate= ((float) total_bits * frame_rate)/((float) (input->no_frames + Bframe_ctr));

    fprintf(stdout, " Bit rate (kbit/s)  @ %2.2f Hz     : %5.2f\n", frame_rate, stat->bitrate/1000);

  }
  else if(input->StoredBPictures > 0)
  {
    fprintf(stdout, " Total bits                        : %d (I %5d, P BS %5d) \n",
    total_bits=stat->bit_ctr_P + stat->bit_ctr_0 , stat->bit_ctr_0, stat->bit_ctr_P);

    frame_rate = (float)img->framerate / ( (float) (input->jumpd + 1) );
    stat->bitrate= ((float) total_bits * frame_rate)/((float) input->no_frames );

    fprintf(stdout, " Bit rate (kbit/s)  @ %2.2f Hz     : %5.2f\n", frame_rate, stat->bitrate/1000);
  }
  else if (input->sp_periodicity==0)
  {
    fprintf(stdout, " Total bits                        : %d (I %5d, P %5d) \n",
    total_bits=stat->bit_ctr_P + stat->bit_ctr_0 , stat->bit_ctr_0, stat->bit_ctr_P);

    frame_rate = (float)img->framerate / ( (float) (input->jumpd + 1) );
    stat->bitrate= ((float) total_bits * frame_rate)/((float) input->no_frames );

    fprintf(stdout, " Bit rate (kbit/s)  @ %2.2f Hz     : %5.2f\n", frame_rate, stat->bitrate/1000);
  }else
  {
    fprintf(stdout, " Total bits                        : %d (I %5d, P %5d) \n",
    total_bits=stat->bit_ctr_P + stat->bit_ctr_0 , stat->bit_ctr_0, stat->bit_ctr_P);

    frame_rate = (float)img->framerate / ( (float) (input->jumpd + 1) );
    stat->bitrate= ((float) total_bits * frame_rate)/((float) input->no_frames );

    fprintf(stdout, " Bit rate (kbit/s)  @ %2.2f Hz     : %5.2f\n", frame_rate, stat->bitrate/1000);
  }

  fprintf(stdout, " Bits to avoid Startcode Emulation : %d \n", stat->bit_ctr_emulationprevention);
  fprintf(stdout, " Bits for parameter sets           : %d \n", stat->bit_ctr_parametersets);

  fprintf(stdout,"--------------------------------------------------------------------------\n");
  fprintf(stdout,"Exit JM %s encoder ver %s ", JM, VERSION);
  fprintf(stdout,"\n");

  // status file
  if ((p_stat=fopen("stat.dat","wt"))==0)
  {
    snprintf(errortext, ET_SIZE, "Error open file %s", "stat.dat");
    error(errortext, 500);
  }
  fprintf(p_stat," -------------------------------------------------------------- \n");
  fprintf(p_stat,"  This file contains statistics for the last encoded sequence   \n");
  fprintf(p_stat," -------------------------------------------------------------- \n");
  fprintf(p_stat,   " Sequence                     : %s\n",input->infile);
  fprintf(p_stat,   " No.of coded pictures         : %4d\n",input->no_frames+Bframe_ctr);
  fprintf(p_stat,   " Freq. for encoded bitstream  : %4.0f\n",frame_rate);

  // B pictures
  if(input->successive_Bframe != 0)
  {
    fprintf(p_stat,   " BaseLayer Bitrate(kb/s)      : %6.2f\n", stat->bitrate_P/1000);
    fprintf(p_stat,   " EnhancedLyaer Bitrate(kb/s)  : %6.2f\n", stat->bitrate_B/1000);
  }
  else
    fprintf(p_stat,   " Bitrate(kb/s)                : %6.2f\n", stat->bitrate/1000);

  if(input->hadamard)
    fprintf(p_stat," Hadamard transform           : Used\n");
  else
    fprintf(p_stat," Hadamard transform           : Not used\n");

  fprintf(p_stat,  " Image format                 : %dx%d\n",input->img_width,input->img_height);

  if(input->intra_upd)
    fprintf(p_stat," Error robustness             : On\n");
  else
    fprintf(p_stat," Error robustness             : Off\n");

  fprintf(p_stat,  " Search range                 : %d\n",input->search_range);

#ifdef _ADDITIONAL_REFERENCE_FRAME_
  if (input->add_ref_frame >= input->num_reference_frames)
    {
      fprintf(p_stat,   " No of frame used in P pred   : %d (+ no. %d)\n",input->num_reference_frames,input->add_ref_frame);
      if(input->successive_Bframe != 0)
        fprintf(p_stat, " No of frame used in B pred   : %d (+ no. %d)\n",input->num_reference_frames,input->add_ref_frame);
    }
  else
#endif
  {
    fprintf(p_stat,   " No of frame used in P pred   : %d\n",input->num_reference_frames);
    if(input->successive_Bframe != 0)
      fprintf(p_stat, " No of frame used in B pred   : %d\n",input->num_reference_frames);
  }
  if (input->symbol_mode == UVLC)
    fprintf(p_stat,   " Entropy coding method        : CAVLC\n");
  else
    fprintf(p_stat,   " Entropy coding method        : CABAC\n");

  if(input->InterlaceCodingOption >= MB_CODING)
    fprintf(p_stat, " MB Field Coding : On \n");

#ifdef _FULL_SEARCH_RANGE_
  if (input->full_search == 2)
    fprintf(p_stat," Search range restrictions    : none\n");
  else if (input->full_search == 1)
    fprintf(p_stat," Search range restrictions    : older reference frames\n");
  else
    fprintf(p_stat," Search range restrictions    : smaller blocks and older reference frames\n");
#endif
  if (input->rdopt)
    fprintf(p_stat," RD-optimized mode decision   : used\n");
  else
    fprintf(p_stat," RD-optimized mode decision   : not used\n");

  fprintf(p_stat," -------------------|---------------|---------------|\n");
  fprintf(p_stat,"     Item           |     Intra     |   All frames  |\n");
  fprintf(p_stat," -------------------|---------------|---------------|\n");
  fprintf(p_stat," SNR Y(dB)          |");
  fprintf(p_stat," %5.2f         |",snr->snr_y1);
  fprintf(p_stat," %5.2f         |\n",snr->snr_ya);
  fprintf(p_stat," SNR U/V (dB)       |");
  fprintf(p_stat," %5.2f/%5.2f   |",snr->snr_u1,snr->snr_v1);
  fprintf(p_stat," %5.2f/%5.2f   |\n",snr->snr_ua,snr->snr_va);

  // QUANT.
  fprintf(p_stat," Average quant      |");
  fprintf(p_stat," %5d         |",absm(input->qp0));
  fprintf(p_stat," %5.2f         |\n",(float)stat->quant1/max(1.0,(float)stat->quant0));

  // MODE
  fprintf(p_stat,"\n -------------------|---------------|\n");
  fprintf(p_stat,"   Intra            |   Mode used   |\n");
  fprintf(p_stat," -------------------|---------------|\n");

  fprintf(p_stat," Mode 0  intra old  | %5d         |\n",stat->mode_use_intra[I4MB]);
  fprintf(p_stat," Mode 1+ intra new  | %5d         |\n",stat->mode_use_intra[I16MB]);

  fprintf(p_stat,"\n -------------------|---------------|-----------------|\n");
  fprintf(p_stat,"   Inter            |   Mode used   | MotionInfo bits |\n");
  fprintf(p_stat," -------------------|---------------|-----------------|");
  fprintf(p_stat,"\n Mode  0  (copy)    | %5d         |    %8.2f     |",stat->mode_use_inter[0][0   ],(float)stat->bit_use_mode_inter[0][0   ]/(float)bit_use[1][0]);
  fprintf(p_stat,"\n Mode  1  (16x16)   | %5d         |    %8.2f     |",stat->mode_use_inter[0][1   ],(float)stat->bit_use_mode_inter[0][1   ]/(float)bit_use[1][0]);
  fprintf(p_stat,"\n Mode  2  (16x8)    | %5d         |    %8.2f     |",stat->mode_use_inter[0][2   ],(float)stat->bit_use_mode_inter[0][2   ]/(float)bit_use[1][0]);
  fprintf(p_stat,"\n Mode  3  (8x16)    | %5d         |    %8.2f     |",stat->mode_use_inter[0][3   ],(float)stat->bit_use_mode_inter[0][3   ]/(float)bit_use[1][0]);
  fprintf(p_stat,"\n Mode  4  (8x8)     | %5d         |    %8.2f     |",stat->mode_use_inter[0][P8x8],(float)stat->bit_use_mode_inter[0][P8x8]/(float)bit_use[1][0]);
  fprintf(p_stat,"\n Mode  5  intra old | %5d         |-----------------|",stat->mode_use_inter[0][I4MB]);
  fprintf(p_stat,"\n Mode  6+ intr.new  | %5d         |",stat->mode_use_inter[0][I16MB]);
  mean_motion_info_bit_use[0] = (float)(stat->bit_use_mode_inter[0][0] + stat->bit_use_mode_inter[0][1] + stat->bit_use_mode_inter[0][2] 
                                      + stat->bit_use_mode_inter[0][3] + stat->bit_use_mode_inter[0][P8x8])/(float) bit_use[1][0]; 

  // B pictures
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
  {
 
    fprintf(p_stat,"\n\n -------------------|---------------|-----------------|\n");
    fprintf(p_stat,"   B frame          |   Mode used   | MotionInfo bits |\n");
    fprintf(p_stat," -------------------|---------------|-----------------|");
    fprintf(p_stat,"\n Mode  0  (copy)    | %5d         |    %8.2f     |",stat->mode_use_inter[1][0   ],(float)stat->bit_use_mode_inter[1][0   ]/(float)Bframe_ctr);
    fprintf(p_stat,"\n Mode  1  (16x16)   | %5d         |    %8.2f     |",stat->mode_use_inter[1][1   ],(float)stat->bit_use_mode_inter[1][1   ]/(float)Bframe_ctr);
    fprintf(p_stat,"\n Mode  2  (16x8)    | %5d         |    %8.2f     |",stat->mode_use_inter[1][2   ],(float)stat->bit_use_mode_inter[1][2   ]/(float)Bframe_ctr);
    fprintf(p_stat,"\n Mode  3  (8x16)    | %5d         |    %8.2f     |",stat->mode_use_inter[1][3   ],(float)stat->bit_use_mode_inter[1][3   ]/(float)Bframe_ctr);
    fprintf(p_stat,"\n Mode  4  (8x8)     | %5d         |    %8.2f     |",stat->mode_use_inter[1][P8x8],(float)stat->bit_use_mode_inter[1][P8x8]/(float)Bframe_ctr);
    fprintf(p_stat,"\n Mode  5  intra old | %5d         |-----------------|",stat->mode_use_inter[1][I4MB]);
    fprintf(p_stat,"\n Mode  6+ intr.new  | %5d         |",stat->mode_use_inter[1][I16MB]);
    mean_motion_info_bit_use[1] = (float)(stat->bit_use_mode_inter[1][0] + stat->bit_use_mode_inter[1][1] + stat->bit_use_mode_inter[1][2] 
                                      + stat->bit_use_mode_inter[1][3] + stat->bit_use_mode_inter[1][P8x8])/(float) Bframe_ctr; 

  }

  fprintf(p_stat,"\n\n --------------------|----------------|----------------|----------------|\n");
  fprintf(p_stat,"  Bit usage:         |      Intra     |      Inter     |    B frame     |\n");
  fprintf(p_stat," --------------------|----------------|----------------|----------------|\n");

  fprintf(p_stat," Header              |");
  fprintf(p_stat," %10.2f     |",(float) stat->bit_use_header[0]/bit_use[0][0]);
  fprintf(p_stat," %10.2f     |",(float) stat->bit_use_header[1]/bit_use[1][0]);
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," %10.2f     |",(float) stat->bit_use_header[2]/Bframe_ctr);
  else fprintf(p_stat," %10.2f     |", 0.);
  fprintf(p_stat,"\n");

  fprintf(p_stat," Mode                |");
  fprintf(p_stat," %10.2f     |",(float)stat->bit_use_mb_type[0]/bit_use[0][0]);
  fprintf(p_stat," %10.2f     |",(float)stat->bit_use_mb_type[1]/bit_use[1][0]);
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," %10.2f     |",(float)stat->bit_use_mb_type[2]/Bframe_ctr);
  else fprintf(p_stat," %10.2f     |", 0.);
  fprintf(p_stat,"\n");

  fprintf(p_stat," Motion Info         |");
  fprintf(p_stat,"        ./.     |");
  fprintf(p_stat," %10.2f     |",mean_motion_info_bit_use[0]);
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," %10.2f     |",mean_motion_info_bit_use[1]);
  else fprintf(p_stat," %10.2f     |", 0.);
  fprintf(p_stat,"\n");

  fprintf(p_stat," CBP Y/C             |");
  for (j=0; j < 2; j++)
  {
    fprintf(p_stat," %10.2f     |", (float)stat->tmp_bit_use_cbp[j]/bit_use[j][0]);
  }
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," %10.2f     |", (float)stat->tmp_bit_use_cbp[2]/Bframe_ctr);
  else fprintf(p_stat," %10.2f     |", 0.);
  fprintf(p_stat,"\n");

  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," Coeffs. Y           | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_coeffY[0]/bit_use[0][0], (float)stat->bit_use_coeffY[1]/bit_use[1][0], (float)stat->bit_use_coeffY[2]/Bframe_ctr);
  else
    fprintf(p_stat," Coeffs. Y           | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_coeffY[0]/bit_use[0][0], (float)stat->bit_use_coeffY[1]/(float)bit_use[1][0], 0.);

  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," Coeffs. C           | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_coeffC[0]/bit_use[0][0], (float)stat->bit_use_coeffC[1]/bit_use[1][0], (float)stat->bit_use_coeffC[2]/Bframe_ctr);
  else
    fprintf(p_stat," Coeffs. C           | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_coeffC[0]/bit_use[0][0], (float)stat->bit_use_coeffC[1]/bit_use[1][0], 0.);

  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," Delta quant         | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_delta_quant[0]/bit_use[0][0], (float)stat->bit_use_delta_quant[1]/bit_use[1][0], (float)stat->bit_use_delta_quant[2]/Bframe_ctr);
  else
    fprintf(p_stat," Delta quant         | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_delta_quant[0]/bit_use[0][0], (float)stat->bit_use_delta_quant[1]/bit_use[1][0], 0.);

  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," Stuffing Bits       | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_stuffingBits[0]/bit_use[0][0], (float)stat->bit_use_stuffingBits[1]/bit_use[1][0], (float)stat->bit_use_stuffingBits[2]/Bframe_ctr);
  else
    fprintf(p_stat," Stuffing Bits       | %10.2f     | %10.2f     | %10.2f     |\n",
      (float)stat->bit_use_stuffingBits[0]/bit_use[0][0], (float)stat->bit_use_stuffingBits[1]/bit_use[1][0], 0.);



  fprintf(p_stat," --------------------|----------------|----------------|----------------|\n");

  fprintf(p_stat," average bits/frame  |");
  for (i=0; i < 2; i++)
  {
    fprintf(p_stat," %10.2f     |", (float) bit_use[i][1]/(float) bit_use[i][0] );
  }
  if(input->successive_Bframe!=0 && Bframe_ctr!=0)
    fprintf(p_stat," %10.2f     |", (float) bit_use_Bframe/ (float) Bframe_ctr );
  else fprintf(p_stat," %10.2f     |", 0.);

  fprintf(p_stat,"\n");
  fprintf(p_stat," --------------------|----------------|----------------|----------------|\n");

  fclose(p_stat);

  // write to log file
  if ((p_log=fopen("log.dat","r"))==0)                      // check if file exist
  {
    if ((p_log=fopen("log.dat","a"))==NULL)            // append new statistic at the end
    {
      snprintf(errortext, ET_SIZE, "Error open file %s  \n","log.dat");
      error(errortext, 500);