examples/demo_info.cpp

// Copyright 1999 Scott Thomas Haug <scott@id3.org>
//  
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//  
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//  
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//  
// $Id: demo_info.cpp,v 1.32 2002/07/28 21:53:56 t1mpy Exp $


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

#include <id3/tag.h>
#include <id3/utils.h>
#include <id3/misc_support.h>
#include <id3/readers.h>
#include <id3/io_helpers.h>

#include "demo_info_options.h"

using namespace dami;
using std::cout;
using std::endl;

static String VERSION_NUMBER = "$Revision: 1.32 $";

void PrintUsage(const char *sName)
{
  cout << "Usage: " << sName << " [OPTION]... [FILE]..." << endl;
  cout << "Display the id3 (both v1 and v2) tag information for a file." << endl;
  cout << endl;
  cout << "  -h, --help      Display this help and exit" << endl;
  cout << "  -v, --version   Display version information and exit" << endl;
  cout << endl;
  cout << "Will not differentiate between the two types of tags" << endl;
}

void PrintVersion(const char *sName)
{
  cout << sName << " " << VERSION_NUMBER.c_str() << endl;
  cout << "Displays ID3 Tag Information - Written by Scott Thomas Haug" << endl;
  cout << "Uses " << ID3LIB_FULL_NAME << endl << endl;
}

void PrintInformation(const ID3_Tag &myTag)
{
  ID3_Tag::ConstIterator* iter = myTag.CreateIterator();
  const ID3_Frame* frame = NULL;
  while (NULL != (frame = iter->GetNext()))
  {
    const char* desc = frame->GetDescription();
    if (!desc) desc = "";
    cout << "=== " << frame->GetTextID() << " (" << desc << "): ";
    ID3_FrameID eFrameID = frame->GetID();
    switch (eFrameID)
    {
      case ID3FID_ALBUM:
      case ID3FID_BPM:
      case ID3FID_COMPOSER:
      case ID3FID_CONTENTTYPE:
      case ID3FID_COPYRIGHT:
      case ID3FID_DATE:
      case ID3FID_PLAYLISTDELAY:
      case ID3FID_ENCODEDBY:
      case ID3FID_LYRICIST:
      case ID3FID_FILETYPE:
      case ID3FID_TIME:
      case ID3FID_CONTENTGROUP:
      case ID3FID_TITLE:
      case ID3FID_SUBTITLE:
      case ID3FID_INITIALKEY:
      case ID3FID_LANGUAGE:
      case ID3FID_SONGLEN:
      case ID3FID_MEDIATYPE:
      case ID3FID_ORIGALBUM:
      case ID3FID_ORIGFILENAME:
      case ID3FID_ORIGLYRICIST:
      case ID3FID_ORIGARTIST:
      case ID3FID_ORIGYEAR:
      case ID3FID_FILEOWNER:
      case ID3FID_LEADARTIST:
      case ID3FID_BAND:
      case ID3FID_CONDUCTOR:
      case ID3FID_MIXARTIST:
      case ID3FID_PARTINSET:
      case ID3FID_PUBLISHER:
      case ID3FID_TRACKNUM:
      case ID3FID_RECORDINGDATES:
      case ID3FID_NETRADIOSTATION:
      case ID3FID_NETRADIOOWNER:
      case ID3FID_SIZE:
      case ID3FID_ISRC:
      case ID3FID_ENCODERSETTINGS:
      case ID3FID_YEAR:
      {
        char *sText = ID3_GetString(frame, ID3FN_TEXT);
        cout << sText << endl;
        delete [] sText;
        break;
      }
      case ID3FID_USERTEXT:
      {
        char 
        *sText = ID3_GetString(frame, ID3FN_TEXT), 
        *sDesc = ID3_GetString(frame, ID3FN_DESCRIPTION);
        cout << "(" << sDesc << "): " << sText << endl;
        delete [] sText;
        delete [] sDesc;
        break;
      }
      case ID3FID_COMMENT:
      case ID3FID_UNSYNCEDLYRICS:
      {
        char 
        *sText = ID3_GetString(frame, ID3FN_TEXT), 
        *sDesc = ID3_GetString(frame, ID3FN_DESCRIPTION), 
        *sLang = ID3_GetString(frame, ID3FN_LANGUAGE);
        cout << "(" << sDesc << ")[" << sLang << "]: "
             << sText << endl;
        delete [] sText;
        delete [] sDesc;
        delete [] sLang;
        break;
      }
      case ID3FID_WWWAUDIOFILE:
      case ID3FID_WWWARTIST:
      case ID3FID_WWWAUDIOSOURCE:
      case ID3FID_WWWCOMMERCIALINFO:
      case ID3FID_WWWCOPYRIGHT:
      case ID3FID_WWWPUBLISHER:
      case ID3FID_WWWPAYMENT:
      case ID3FID_WWWRADIOPAGE:
      {
        char *sURL = ID3_GetString(frame, ID3FN_URL);
        cout << sURL << endl;
        delete [] sURL;
        break;
      }
      case ID3FID_WWWUSER:
      {
        char 
        *sURL = ID3_GetString(frame, ID3FN_URL),
        *sDesc = ID3_GetString(frame, ID3FN_DESCRIPTION);
        cout << "(" << sDesc << "): " << sURL << endl;
        delete [] sURL;
        delete [] sDesc;
        break;
      }
      case ID3FID_INVOLVEDPEOPLE:
      {
        size_t nItems = frame->GetField(ID3FN_TEXT)->GetNumTextItems();
        for (size_t nIndex = 0; nIndex < nItems; nIndex++)
        {
          char *sPeople = ID3_GetString(frame, ID3FN_TEXT, nIndex);
          cout << sPeople;
          delete [] sPeople;
          if (nIndex + 1 < nItems)
          {
            cout << ", ";
          }
        }
        cout << endl;
        break;
      }
      case ID3FID_PICTURE:
      {
        char
        *sMimeType = ID3_GetString(frame, ID3FN_MIMETYPE),
        *sDesc     = ID3_GetString(frame, ID3FN_DESCRIPTION),
        *sFormat   = ID3_GetString(frame, ID3FN_IMAGEFORMAT);
        size_t
        nPicType   = frame->GetField(ID3FN_PICTURETYPE)->Get(),
        nDataSize  = frame->GetField(ID3FN_DATA)->Size();
        cout << "(" << sDesc << ")[" << sFormat << ", "
             << nPicType << "]: " << sMimeType << ", " << nDataSize
             << " bytes" << endl;
        delete [] sMimeType;
        delete [] sDesc;
        delete [] sFormat;
        break;
      }
      case ID3FID_GENERALOBJECT:
      {
        char 
        *sMimeType = ID3_GetString(frame, ID3FN_MIMETYPE), 
        *sDesc = ID3_GetString(frame, ID3FN_DESCRIPTION), 
        *sFileName = ID3_GetString(frame, ID3FN_FILENAME);
        size_t 
        nDataSize = frame->GetField(ID3FN_DATA)->Size();
        cout << "(" << sDesc << ")[" 
             << sFileName << "]: " << sMimeType << ", " << nDataSize
             << " bytes" << endl;
        delete [] sMimeType;
        delete [] sDesc;
        delete [] sFileName;
        break;
      }
      case ID3FID_UNIQUEFILEID:
      {
        char *sOwner = ID3_GetString(frame, ID3FN_OWNER);
        size_t nDataSize = frame->GetField(ID3FN_DATA)->Size();
        cout << sOwner << ", " << nDataSize
             << " bytes" << endl;
        delete [] sOwner;
        break;
      }
      case ID3FID_PLAYCOUNTER:
      {
        size_t nCounter = frame->GetField(ID3FN_COUNTER)->Get();
        cout << nCounter << endl;
        break;
      }
      case ID3FID_POPULARIMETER:
      {
        char *sEmail = ID3_GetString(frame, ID3FN_EMAIL);
        size_t
        nCounter = frame->GetField(ID3FN_COUNTER)->Get(),
        nRating = frame->GetField(ID3FN_RATING)->Get();
        cout << sEmail << ", counter=" 
             << nCounter << " rating=" << nRating << endl;
        delete [] sEmail;
        break;
      }
      case ID3FID_CRYPTOREG:
      case ID3FID_GROUPINGREG:
      {
        char *sOwner = ID3_GetString(frame, ID3FN_OWNER);
        size_t 
        nSymbol = frame->GetField(ID3FN_ID)->Get(),
        nDataSize = frame->GetField(ID3FN_DATA)->Size();
        cout << "(" << nSymbol << "): " << sOwner
             << ", " << nDataSize << " bytes" << endl;
        break;
      }
      case ID3FID_SYNCEDLYRICS:
      {
        char 
        *sDesc = ID3_GetString(frame, ID3FN_DESCRIPTION), 
        *sLang = ID3_GetString(frame, ID3FN_LANGUAGE);
        size_t
        nTimestamp = frame->GetField(ID3FN_TIMESTAMPFORMAT)->Get(),
        nRating = frame->GetField(ID3FN_CONTENTTYPE)->Get();
        const char* format = (2 == nTimestamp) ? "ms" : "frames";
        cout << "(" << sDesc << ")[" << sLang << "]: ";
        switch (nRating)
        {
          case ID3CT_OTHER:    cout << "Other"; break;
          case ID3CT_LYRICS:   cout << "Lyrics"; break;
          case ID3CT_TEXTTRANSCRIPTION:     cout << "Text transcription"; break;
          case ID3CT_MOVEMENT: cout << "Movement/part name"; break;
          case ID3CT_EVENTS:   cout << "Events"; break;
          case ID3CT_CHORD:    cout << "Chord"; break;
          case ID3CT_TRIVIA:   cout << "Trivia/'pop up' information"; break;
        }
        cout << endl;
        ID3_Field* fld = frame->GetField(ID3FN_DATA);
        if (fld)
        {
          ID3_MemoryReader mr(fld->GetRawBinary(), fld->BinSize());
          while (!mr.atEnd())
          {
            cout << io::readString(mr).c_str();
            cout << " [" << io::readBENumber(mr, sizeof(uint32)) << " " 
                 << format << "] ";
          }
        }
        cout << endl;
        delete [] sDesc;
        delete [] sLang;
        break;
      }
      case ID3FID_AUDIOCRYPTO:
      case ID3FID_EQUALIZATION:
      case ID3FID_EVENTTIMING:
      case ID3FID_CDID:
      case ID3FID_MPEGLOOKUP:
      case ID3FID_OWNERSHIP:
      case ID3FID_PRIVATE:
      case ID3FID_POSITIONSYNC:
      case ID3FID_BUFFERSIZE:
      case ID3FID_VOLUMEADJ:
      case ID3FID_REVERB:
      case ID3FID_SYNCEDTEMPO:
      case ID3FID_METACRYPTO:
      {
        cout << " (unimplemented)" << endl;
        break;
      }
      default:
      {
        cout << " frame" << endl;
        break;
      }
    }
  }
  delete iter;
}

#define DEBUG

int main( unsigned int argc, char * const argv[])
{
//  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


  const char* filename = NULL;
  for (size_t i = 0; i < args.inputs_num; ++i)
  {
    filename = args.inputs[i];
    ID3_Tag myTag;
    
    myTag.Link(filename, ID3TT_ALL);
    const Mp3_Headerinfo* mp3info;
    mp3info = myTag.GetMp3HeaderInfo();

    cout << endl << "*** Tag information for " << filename << endl;
    if (!args.assign_given)
    {
      PrintInformation(myTag);
    }
    else
    {
      cout << "*** Testing assignment operator" << endl;
      ID3_Tag tmpTag(myTag);
      PrintInformation(tmpTag);
    }
    if (mp3info)
    {
      cout << "*** mp3 info\n";

      switch (mp3info->version)
      {
      case MPEGVERSION_2_5:
        cout << "MPEG2.5/";
        break;
      case MPEGVERSION_2:
        cout << "MPEG2/";
        break;
      case MPEGVERSION_1:
        cout << "MPEG1/";
        break;
      default:
        break;
      }

      switch (mp3info->layer)
      {
      case MPEGLAYER_III:
        cout << "layer III\n";
        break;
      case MPEGLAYER_II:
        cout << "layer II\n";
        break;
      case MPEGLAYER_I:
        cout << "layer I\n";
        break;
      default:
        break;
      }

      cout << "Bitrate: " << mp3info->bitrate/1000 << "KBps\n";
      cout << "Frequency: " << mp3info->frequency/1000 << "KHz\n";
    }


  }

  return 0;
}