ifo_print.c

有关mpeg2的deocde代码

  printf("%d ", attr->zero1);
  printf("%d ", attr->zero2);
  printf("%d ", attr->code_extension);
  
  /* Is this correct?  should it not be subp_code_ext here instead? */
  switch(attr->lang_extension) {
  case 0:
    printf("Not specified ");
    break;
  case 1:
    printf("Caption with normal size character ");
    break;
  case 2:
    printf("Caption with bigger size character ");
    break;
  case 3: 
    printf("Caption for children ");
    break;
  case 4:
    printf("reserved ");
    break;
  case 5:
    printf("Closed Caption with normal size character ");
    break;
  case 6:
    printf("Closed Caption with bigger size character ");
    break;
  case 7:
    printf("Closed Caption for children ");
    break;
  case 8:
    printf("reserved ");
    break;
  case 9:
    printf("Forced Caption");
    break;
  case 10:
    printf("reserved ");
    break;
  case 11:
    printf("reserved ");
    break;
  case 12:
    printf("reserved ");
    break;
  case 13:
    printf("Director's comments with normal size character ");
    break;
  case 14:
    printf("Director's comments with bigger size character ");
    break;
  case 15:
    printf("Director's comments for children ");
    break;
  default:
    printf("(please send a bug report) ");
  }

}


static void ifoPrint_USER_OPS(user_ops_t *user_ops) {
  uint32_t uops;
  unsigned char *ptr = (unsigned char *)user_ops;
  
  uops  = (*ptr++ << 24);
  uops |= (*ptr++ << 16);
  uops |= (*ptr++ << 8);
  uops |= (*ptr++);
  
  if(uops == 0) {
    printf("None\n");
  } else if(uops == 0x01ffffff) {
    printf("All\n");
  } else {
    if(user_ops->title_or_time_play)
      printf("Title or Time Play, ");
    if(user_ops->chapter_search_or_play)
      printf("Chapter Search or Play, ");
    if(user_ops->title_play)
      printf("Title Play, ");
    if(user_ops->stop)
      printf("Stop, ");
    if(user_ops->go_up)
      printf("Go Up, ");
    if(user_ops->time_or_chapter_search)
      printf("Time or Chapter Search, ");
    if(user_ops->prev_or_top_pg_search)
      printf("Prev or Top PG Search, ");
    if(user_ops->next_pg_search)
      printf("Next PG Search, ");
    if(user_ops->forward_scan)
      printf("Forward Scan, ");
    if(user_ops->backward_scan)
      printf("Backward Scan, ");
    if(user_ops->title_menu_call)
      printf("Title Menu Call, ");
    if(user_ops->root_menu_call)
      printf("Root Menu Call, ");
    if(user_ops->subpic_menu_call)
      printf("SubPic Menu Call, ");
    if(user_ops->audio_menu_call)
      printf("Audio Menu Call, ");
    if(user_ops->angle_menu_call)
      printf("Angle Menu Call, ");
    if(user_ops->chapter_menu_call)
      printf("Chapter Menu Call, ");
    if(user_ops->resume)
      printf("Resume, ");
    if(user_ops->button_select_or_activate)
      printf("Button Select or Activate, ");
    if(user_ops->still_off)
      printf("Still Off, ");
    if(user_ops->pause_on)
      printf("Pause On, ");
    if(user_ops->audio_stream_change)
      printf("Audio Stream Change, ");
    if(user_ops->subpic_stream_change)
      printf("SubPic Stream Change, ");
    if(user_ops->angle_change)
      printf("Angle Change, ");
    if(user_ops->karaoke_audio_pres_mode_change)
      printf("Karaoke Audio Pres Mode Change, ");
    if(user_ops->video_pres_mode_change)
      printf("Video Pres Mode Change, ");
    printf("\n");
  }
}


void ifoPrint_VMGI_MAT(vmgi_mat_t *vmgi_mat) {
  
  printf("VMG Identifier: %.12s\n", vmgi_mat->vmg_identifier);
  printf("Last Sector of VMG: %08x\n", vmgi_mat->vmg_last_sector);
  printf("Last Sector of VMGI: %08x\n", vmgi_mat->vmgi_last_sector);
  printf("Specification version number: %01x.%01x\n", 
	 vmgi_mat->specification_version >> 4, 
	 vmgi_mat->specification_version & 0xf);
  /* Byte 2 of 'VMG Category' (00xx0000) is the Region Code */
  printf("VMG Category: %08x\n", vmgi_mat->vmg_category);
  printf("VMG Number of Volumes: %i\n", vmgi_mat->vmg_nr_of_volumes);
  printf("VMG This Volume: %i\n", vmgi_mat->vmg_this_volume_nr);
  printf("Disc side %i\n", vmgi_mat->disc_side);
  printf("VMG Number of Title Sets %i\n", vmgi_mat->vmg_nr_of_title_sets);
  printf("Provider ID: %.32s\n", vmgi_mat->provider_identifier);
  printf("VMG POS Code: %08x", (uint32_t)(vmgi_mat->vmg_pos_code >> 32));
  printf("%08x\n", (uint32_t)vmgi_mat->vmg_pos_code);
  printf("End byte of VMGI_MAT: %08x\n", vmgi_mat->vmgi_last_byte);
  printf("Start byte of First Play PGC FP PGC: %08x\n", 
	 vmgi_mat->first_play_pgc);
  printf("Start sector of VMGM_VOBS: %08x\n", vmgi_mat->vmgm_vobs);
  printf("Start sector of TT_SRPT: %08x\n", vmgi_mat->tt_srpt);
  printf("Start sector of VMGM_PGCI_UT: %08x\n", vmgi_mat->vmgm_pgci_ut);
  printf("Start sector of PTL_MAIT: %08x\n", vmgi_mat->ptl_mait);
  printf("Start sector of VTS_ATRT: %08x\n", vmgi_mat->vts_atrt);
  printf("Start sector of TXTDT_MG: %08x\n", vmgi_mat->txtdt_mgi);
  printf("Start sector of VMGM_C_ADT: %08x\n", vmgi_mat->vmgm_c_adt);
  printf("Start sector of VMGM_VOBU_ADMAP: %08x\n", 
	 vmgi_mat->vmgm_vobu_admap);
  printf("Video attributes of VMGM_VOBS: ");
  ifoPrint_video_attributes(&vmgi_mat->vmgm_video_attr);
  printf("\n");
  printf("VMGM Number of Audio attributes: %i\n", 
	 vmgi_mat->nr_of_vmgm_audio_streams);
  if(vmgi_mat->nr_of_vmgm_audio_streams > 0) {
    printf("\tstream %i status: ", 1);
    ifoPrint_audio_attributes(&vmgi_mat->vmgm_audio_attr);
    printf("\n");
  }
  printf("VMGM Number of Sub-picture attributes: %i\n", 
	 vmgi_mat->nr_of_vmgm_subp_streams);
  if(vmgi_mat->nr_of_vmgm_subp_streams > 0) {
    printf("\tstream %2i status: ", 1);
    ifoPrint_subp_attributes(&vmgi_mat->vmgm_subp_attr);
    printf("\n");
  }
}


void ifoPrint_VTSI_MAT(vtsi_mat_t *vtsi_mat) {
  int i;

  printf("VTS Identifier: %.12s\n", vtsi_mat->vts_identifier);
  printf("Last Sector of VTS: %08x\n", vtsi_mat->vts_last_sector);
  printf("Last Sector of VTSI: %08x\n", vtsi_mat->vtsi_last_sector);
  printf("Specification version number: %01x.%01x\n", 
	 vtsi_mat->specification_version>>4, 
	 vtsi_mat->specification_version&0xf);
  printf("VTS Category: %08x\n", vtsi_mat->vts_category);
  printf("End byte of VTSI_MAT: %08x\n", vtsi_mat->vtsi_last_byte);
  printf("Start sector of VTSM_VOBS:  %08x\n", vtsi_mat->vtsm_vobs);
  printf("Start sector of VTSTT_VOBS: %08x\n", vtsi_mat->vtstt_vobs);
  printf("Start sector of VTS_PTT_SRPT: %08x\n", vtsi_mat->vts_ptt_srpt);
  printf("Start sector of VTS_PGCIT:    %08x\n", vtsi_mat->vts_pgcit);
  printf("Start sector of VTSM_PGCI_UT: %08x\n", vtsi_mat->vtsm_pgci_ut);
  printf("Start sector of VTS_TMAPT:    %08x\n", vtsi_mat->vts_tmapt);
  printf("Start sector of VTSM_C_ADT:      %08x\n", vtsi_mat->vtsm_c_adt);
  printf("Start sector of VTSM_VOBU_ADMAP: %08x\n",vtsi_mat->vtsm_vobu_admap);
  printf("Start sector of VTS_C_ADT:       %08x\n", vtsi_mat->vts_c_adt);
  printf("Start sector of VTS_VOBU_ADMAP:  %08x\n", vtsi_mat->vts_vobu_admap);

  printf("Video attributes of VTSM_VOBS: ");
  ifoPrint_video_attributes(&vtsi_mat->vtsm_video_attr);
  printf("\n");
  
  printf("VTSM Number of Audio attributes: %i\n", 
	 vtsi_mat->nr_of_vtsm_audio_streams);
  if(vtsi_mat->nr_of_vtsm_audio_streams > 0) {
    printf("\tstream %i status: ", 1);
    ifoPrint_audio_attributes(&vtsi_mat->vtsm_audio_attr);
    printf("\n");
  }
  
  printf("VTSM Number of Sub-picture attributes: %i\n", 
	 vtsi_mat->nr_of_vtsm_subp_streams);
  if(vtsi_mat->nr_of_vtsm_subp_streams > 0) {
    printf("\tstream %2i status: ", 1);
    ifoPrint_subp_attributes(&vtsi_mat->vtsm_subp_attr);
    printf("\n");
  }
  
  printf("Video attributes of VTS_VOBS: ");
  ifoPrint_video_attributes(&vtsi_mat->vts_video_attr);
  printf("\n");
  
  printf("VTS Number of Audio attributes: %i\n", 
	 vtsi_mat->nr_of_vts_audio_streams);
  for(i = 0; i < vtsi_mat->nr_of_vts_audio_streams; i++) {
    printf("\tstream %i status: ", i);
    ifoPrint_audio_attributes(&vtsi_mat->vts_audio_attr[i]);
    printf("\n");
  }
  
  printf("VTS Number of Subpicture attributes: %i\n", 
	 vtsi_mat->nr_of_vts_subp_streams);
  for(i = 0; i < vtsi_mat->nr_of_vts_subp_streams; i++) {
    printf("\tstream %2i status: ", i);
    ifoPrint_subp_attributes(&vtsi_mat->vts_subp_attr[i]);
    printf("\n");
  }
  
  /* FIXME:  Add printing of MultiChannel Extension */
}


static void ifoPrint_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl) {
  int i;
  
  if(cmd_tbl == NULL) {
    printf("No Command table present\n");
    return;
  }
  
  printf("Number of Pre commands: %i\n", cmd_tbl->nr_of_pre);
  for(i = 0; i < cmd_tbl->nr_of_pre; i++) {
    ifoPrint_CMD(i, &cmd_tbl->pre_cmds[i]);
  }

  printf("Number of Post commands: %i\n", cmd_tbl->nr_of_post);
  for(i = 0; i < cmd_tbl->nr_of_post; i++) {
    ifoPrint_CMD(i, &cmd_tbl->post_cmds[i]);
  }

  printf("Number of Cell commands: %i\n", cmd_tbl->nr_of_cell);
  for(i = 0; i < cmd_tbl->nr_of_cell; i++) {
    ifoPrint_CMD(i, &cmd_tbl->cell_cmds[i]);
  }
}


static void ifoPrint_PGC_PROGRAM_MAP(pgc_program_map_t *program_map, int nr) {
  int i;
  
  if(program_map == NULL) {
    printf("No Program map present\n");
    return;
  }
  
  for(i = 0; i < nr; i++) {
    printf("Program %3i Entry Cell: %3i\n", i + 1, program_map[i]);
  }
}


static void ifoPrint_CELL_PLAYBACK(cell_playback_t *cell_playback, int nr) {
  int i;
  
  if(cell_playback == NULL) {
    printf("No Cell Playback info present\n");
    return;
  }
  
  for(i=0;i<nr;i++) {
    printf("Cell: %3i ", i + 1);

    ifoPrint_time(&cell_playback[i].playback_time);
    printf("\t");

    if(cell_playback[i].block_mode || cell_playback[i].block_type) {
      const char *s;
      switch(cell_playback[i].block_mode) {
      case 0:
	s = "not a"; break;
      case 1:
	s = "the first"; break;
      case 2:
      default:
	s = ""; break;
      case 3:
	s = "last"; break;
      }
      printf("%s cell in the block ", s);
      
      switch(cell_playback[i].block_type) {
      case 0:
	printf("not part of the block ");
	break;
      case 1:
	printf("angle block ");
	break;
      case 2:
      case 3:
	printf("(send bug repport) ");
	break;
      }
    }
    if(cell_playback[i].seamless_play)
      printf("presented seamlessly ");
    if(cell_playback[i].interleaved)
      printf("cell is interleaved ");
    if(cell_playback[i].stc_discontinuity)
      printf("STC_discontinuty ");
    if(cell_playback[i].seamless_angle)
      printf("only seamless angle ");
    if(cell_playback[i].restricted)
      printf("restricted cell ");
    
    if(cell_playback[i].still_time)
      printf("still time %d ", cell_playback[i].still_time);
    if(cell_playback[i].cell_cmd_nr)
      printf("cell command %d", cell_playback[i].cell_cmd_nr);
    
    printf("\n\tStart sector: %08x\tFirst ILVU end  sector: %08x\n", 
	   cell_playback[i].first_sector, 
	   cell_playback[i].first_ilvu_end_sector);
    printf("\tEnd   sector: %08x\tLast VOBU start sector: %08x\n", 
	   cell_playback[i].last_sector, 
	   cell_playback[i].last_vobu_start_sector);
  }
}

static void ifoPrint_CELL_POSITION(cell_position_t *cell_position, int nr) {
  int i;
  
  if(cell_position == NULL) {
    printf("No Cell Position info present\n");
    return;
  }
  
  for(i=0;i<nr;i++) {
    printf("Cell: %3i has VOB ID: %3i, Cell ID: %3i\n", i + 1, 
	   cell_position[i].vob_id_nr, cell_position[i].cell_nr);
  }
}


void ifoPrint_PGC(pgc_t *pgc) {
  int i;
  
  printf("Number of Programs: %i\n", pgc->nr_of_programs);
  printf("Number of Cells: %i\n", pgc->nr_of_cells);
  /* Check that time is 0:0:0:0 also if nr_of_programs==0 */
  printf("Playback time: ");
  ifoPrint_time(&pgc->playback_time); printf("\n");

  /* If no programs/no time then does this mean anything? */
  printf("Prohibited user operations: ");
  ifoPrint_USER_OPS(&pgc->prohibited_ops);
  
    for(i = 0; i < 8; i++) {
      if(pgc->audio_control[i] & 0x8000) { /* The 'is present' bit */
	printf("Audio stream %i control: %04x\n", 
	       i, pgc->audio_control[i]);