demo_tag.cpp

更新mp3

// $Id: demo_tag.cpp,v 1.15 2002/06/29 17:18:35 t1mpy Exp $

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "id3/id3lib_streams.h"
#include <stdlib.h>
#include <string.h>

#include <id3/tag.h>
#include <id3/misc_support.h>

#include "demo_tag_options.h"

using std::cout;
using std::endl;

static const char* VERSION_NUMBER = "$Revision: 1.15 $";

void PrintUsage(const char *sName)
{
  cout << "Will render both types of tag by default.  Only the last" << endl
       << "tag type indicated in the option list will be used.  Non-" << endl
       << "rendered will remain unchanged in the original file.  Will" << endl
       << "also parse and convert Lyrics3 v2.0 frames, but will not" << endl
       << "render them." << endl;
}

void PrintVersion(const char *sName)
{
  cout << "Uses " << ID3LIB_FULL_NAME << endl << endl;

  cout << "This program tags mp3 files with ID3v1/1.1 and/or id3v2 tags" << endl;
}

void DisplayTags(ostream &os, luint nTags)
{
  if (!((nTags & ID3TT_ID3V1) || (nTags & ID3TT_ID3V2)))
    os << "no tag";
  if (nTags & ID3TT_ID3V1)
    os << "v1";
  if ((nTags & ID3TT_ID3V1) && (nTags & ID3TT_ID3V2))
    os << " and ";
  if (nTags & ID3TT_ID3V2)
    os << "v2";
}

int main( unsigned int argc, char * const argv[])
{
  int ulFlag = ID3TT_ID3;
  ID3D_INIT_DOUT();
  gengetopt_args_info args;

  if (cmdline_parser(argc, argv, &args) != 0)
  {
    exit(1);
  }

#if defined ID3_ENABLE_DEBUG
  if (args.warning_flag)
  {
    ID3D_INIT_WARNING();
    ID3D_WARNING ( "warnings turned on" );
  }
  if (args.notice_flag)
  {
    ID3D_INIT_NOTICE();
    ID3D_NOTICE ( "notices turned on" );
  }
#endif

  if (args.v1tag_flag)
  {
    ulFlag = ID3TT_ID3V1;
  }

  if (args.v2tag_flag)
  {
    ulFlag = ID3TT_ID3V2;
  }

  const char
    *sArtist  = "",
    *sAlbum   = "",
    *sTitle   = "",
    *sComment = "",
    *sYear    = "",
    *sDesc    = "";
  unsigned short
    nYear     = 0,
    nTrack    = 0,
    nTotal    = 0,
    nGenre    = 0;

  
  if (args.artist_given)
  {
    sArtist = args.artist_arg;
    cout << "+++ Artist  = " << sArtist << endl;
  }
  if (args.album_given)
  {
    sAlbum = args.album_arg;
    cout << "+++ Album   = " << sAlbum << endl;
  }
  if (args.song_given)
  {
    sTitle = args.song_arg;
    cout << "+++ Song    = " << sTitle << endl;
  }
  if (args.year_given)
  {
    sYear = args.year_arg;
    nYear = ::strtol(sYear, NULL, 10);
    cout << "+++ Year    = " << nYear << endl;
  }
  if (args.comment_given)
  {
    sComment = args.comment_arg;
    cout << "+++ Comment = " << sComment << endl;
    if (args.desc_given)
    {
      sDesc = args.desc_arg;
      cout << "+++ Comment Description" << endl;
      cout << "            = " << sDesc << endl;
    }
    else
    {
      sDesc = "";
    }
  }
  if (args.genre_given && args.genre_arg > 0 && args.genre_arg < 0xFF)
  {
    nGenre = args.genre_arg;
    cout << "+++ Genre   = " << args.genre_arg << endl;
  }
  if (args.track_given)
  {
    nTrack = ::strtol(args.track_arg, NULL, 10);
    cout << "+++ Track   = " << nTrack << endl;
  }
  if (args.total_given)
  {
    nTotal = ::strtol(args.total_arg, NULL, 10);
    cout << "+++ Total   = " << nTotal << endl;
  }
  const char* filename = NULL;
  for (size_t i = 0; i < args.inputs_num; ++i)
  {
    filename = args.inputs[i];
    ID3_Tag myTag;
    
    cout << "Tagging " << filename << ": ";
    
    myTag.Link(filename);
    
    cout << "attempting ";
    DisplayTags(cout, ulFlag);
    
    if (args.artist_given)
    {
      ID3_AddArtist(&myTag, sArtist, true);
    }
    if (args.album_given)
    {
      ID3_AddAlbum(&myTag, sAlbum, true);
    }
    if (args.song_given)
    {
      ID3_AddTitle(&myTag, sTitle, true);
    }
    if (args.year_given)
    {
      ID3_AddYear(&myTag, sYear, true);
    }
    if (args.comment_given)
    {
      ID3_AddComment(&myTag, sComment, sDesc, true);
    }
    if (args.genre_given)
    {
      ID3_AddGenre(&myTag, nGenre, true);
    }
    if (args.track_given)
    {
      ID3_AddTrack(&myTag, nTrack, nTotal, true);
    }
    luint nTags = myTag.Update(ulFlag);
    cout << ", tagged ";
    
    DisplayTags(cout, nTags);
    
    cout << endl;
  }

  return 0;
}