C++ CMusicInfoTag::Loaded方法代码示例

bool CMusicInfoTagLoaderNSF::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  if (!m_dll.Load())
    return false;

  m_nsf = m_dll.LoadNSF(strFileName.c_str());
  if (!m_nsf)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderNSF: failed to open NSF %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  char* szTitle = (char*)m_dll.GetTitle(m_nsf); // no alloc
  if( szTitle && strcmp(szTitle,"<?>") )
  {
    tag.SetTitle(szTitle);
    tag.SetLoaded(true);
  }

  char* szArtist = (char*)m_dll.GetArtist(m_nsf); // no alloc
  if( szArtist && strcmp(szArtist,"<?>") && tag.Loaded() )
    tag.SetArtist(szArtist);

  m_dll.FreeNSF(m_nsf);
  m_nsf = 0;

  return tag.Loaded();
}

bool CMusicInfoTagLoaderSPC::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  CFile file;
  if (!file.Open(strFileName))
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderSPC: failed to open SPC %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  SPC_ID666* spc = SPC_get_id666FP(file);
  if (!spc)
    return false;
  if( strcmp(spc->songname,"") )
  {
    tag.SetTitle(spc->songname);
    tag.SetLoaded(true);
  }

  if( strcmp(spc->author,"") && tag.Loaded() )
    tag.SetArtist(spc->author);

  if (spc->playtime)
    tag.SetDuration(spc->playtime);
  else
    tag.SetDuration(4*60); // 4 mins

  free(spc);
  return tag.Loaded();
}

bool CMusicInfoTagLoaderMod::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  tag.SetURL(strFileName);
  // first, does the module have a .mdz?
  CStdString strMDZ(URIUtils::ReplaceExtension(strFileName,".mdz"));
  if (CFile::Exists(strMDZ))
  {
    if (!getFile(strMDZ,strMDZ))
    {
      tag.SetLoaded(false);
      return( false );
    }
    ifstream inMDZ(CSpecialProtocol::TranslatePath(strMDZ.c_str()));
    char temp[8192];
    char temp2[8192];

    while (!inMDZ.eof())
    {
      inMDZ.getline(temp,8191);
      if (strstr(temp,"COMPOSER"))
      {
        strcpy(temp2,temp+strlen("COMPOSER "));
        tag.SetArtist(temp2);
      }
      else if (strstr(temp,"TITLE"))
      {
        strcpy(temp2,temp+strlen("TITLE "));
        tag.SetTitle(temp2);
        tag.SetLoaded(true);
      }
      else if (strstr(temp,"PLAYTIME"))
      {
        char* temp3 = strtok(temp+strlen("PLAYTIME "),":");
        int iSecs = atoi(temp3)*60;
        temp3 = strtok(NULL,":");
        iSecs += atoi(temp3);
        tag.SetDuration(iSecs);
      }
      else if (strstr(temp,"STYLE"))
      {
        strcpy(temp2,temp+strlen("STYLE "));
        tag.SetGenre(temp2);
      }
    }
    return( tag.Loaded() );
  }
  else
  {
    // TODO: no, then try to atleast fetch the title
  }

  return tag.Loaded();
}

bool CMusicInfoTagLoaderGYM::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  if (!m_dll.Load())
    return false;

  m_dll.Init();

  m_gym = m_dll.LoadGYM(strFileName.c_str());
  if (!m_gym)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderGYM: failed to open GYM %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  char* szTitle = (char*)m_dll.GetTitle(m_gym); // no alloc
  if (szTitle)
    if( strcmp(szTitle,"") )
    {
      tag.SetTitle(szTitle);
      tag.SetLoaded(true);
    }

  char* szArtist = (char*)m_dll.GetArtist(m_gym); // no alloc
  if (szArtist)
    if( strcmp(szArtist,"") && tag.Loaded() )
      tag.SetArtist(szArtist);

  m_dll.FreeGYM(m_gym);
  m_gym = 0;

  return tag.Loaded();
}

bool CMusicInfoTagLoaderAdplug::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  if (!m_dll.Load())
    return false;

  m_adl = m_dll.LoadADL(strFileName.c_str());
  if (!m_adl)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderAdplug: failed to open %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  const char* szTitle = m_dll.GetTitle(m_adl); // no alloc
  if (szTitle)
    if( strcmp(szTitle,"") )
    {
      tag.SetTitle(szTitle);
      tag.SetLoaded(true);
    }

  const char* szArtist = m_dll.GetArtist(m_adl); // no alloc
  if( strcmp(szArtist,"") && tag.Loaded() )
    tag.SetArtist(szArtist);

  tag.SetDuration(m_dll.GetLength(m_adl)/1000);

  m_dll.FreeADL(m_adl);
  m_adl = 0;

  return tag.Loaded();
}

bool CMusicInfoTagLoaderDatabase::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  tag.SetLoaded(false);
  CMusicDatabase database;
  database.Open();
  XFILE::MUSICDATABASEDIRECTORY::CQueryParams param;
  XFILE::MUSICDATABASEDIRECTORY::CDirectoryNode::GetDatabaseInfo(strFileName,param);

  CSong song;
  if (database.GetSong(param.GetSongId(),song))
    tag.SetSong(song);

  database.Close();

  return tag.Loaded();
}

int CScrobbler::AddSong(const CMusicInfoTag& tag)
{
  if ((!g_guiSettings.GetBool("lastfm.enable") && !g_guiSettings.GetBool("lastfm.recordtoprofile")) || !g_guiSettings.GetBool("network.enableinternet"))
    return 0;

  if (tag.GetDuration() <= MINLENGTH || tag.GetDuration() > MAXLENGTH) // made <= to minlength to stop iTMS previews being submitted in iTunes
    return 0;

  if (!tag.Loaded() || tag.GetArtist().IsEmpty() || tag.GetTitle().IsEmpty())
    return 0;

  if(m_bSubmitInProgress)
  {
    StatusUpdate(S_NOT_SUBMITTING,"Previous submission still in progress");
    return 0;
  }

  char ti[20];
  struct tm *today = gmtime(&m_SongStartTime);
  strftime(ti, sizeof(ti), "%Y-%m-%d %H:%M:%S", today);

  CStdString a, b, t;
  // our tags are stored as UTF-8, so no conversion needed
  a = tag.GetArtist();
  b = tag.GetAlbum();
  t = tag.GetTitle();
  CStdString i=ti;
  CStdString m=tag.GetMusicBrainzTrackID();
  CUtil::URLEncode(a);
  CUtil::URLEncode(b);
  CUtil::URLEncode(t);
  CUtil::URLEncode(i);
  CUtil::URLEncode(m);

  CStdString strSubmitStr;
  strSubmitStr.Format("a[%i]=%s&t[%i]=%s&b[%i]=%s&m[%i]=%s&l[%i]=%i&i[%i]=%s&", m_iSongNum, a.c_str(), m_iSongNum, t.c_str(), m_iSongNum, b.c_str(), m_iSongNum, m.c_str(), m_iSongNum, tag.GetDuration(), m_iSongNum, i.c_str());

  if(m_strPostString.find(ti) != m_strPostString.npos)
  {
    // we have already tried to add a song at this time stamp
    // I have no idea how this could happen but apparently it does so
    // we stop it now

    StatusUpdate(S_NOT_SUBMITTING,strSubmitStr);
    StatusUpdate(S_NOT_SUBMITTING,m_strPostString);

    StatusUpdate(S_NOT_SUBMITTING,"Submission error, duplicate subbmission time found");
    return 3;
  }

  m_strPostString += strSubmitStr;
  m_iSongNum++;

  SaveCache(m_strPostString.c_str(), m_iSongNum);

  time_t now;
  time (&now);
  if ((m_Interval + m_LastConnect) < now) 
  {
    DoSubmit();
    return 1;
  } 
  else 
  {
    CStdString strMsg;
    strMsg.Format("Not submitting, caching for %i more seconds. Cache is %i entries.", (int)(m_Interval + m_LastConnect - now), m_iSongNum);
    StatusUpdate(S_NOT_SUBMITTING,strMsg);
    return 2;
  }
}

bool SPCCodec::Init(const CStdString &strFile, unsigned int filecache)
{
  // SNESAPU can ONLY be opened and used by one instance (lot's of statics).
  // So to work around this problem with SNESAPU, we need to make sure that
  // each instance of SPCCodec has it's own instance of SNESAPU. Do this by
  // coping DLL_PATH_SPC_CODEC into special://temp and using a unique name. Then
  // loading this unique named SNESAPU as the library.
  // This forces the shared lib loader to load a per-instance copy of SNESAPU.
#ifdef _LINUX
  m_loader_name = CUtil::GetNextFilename("special://temp/SNESAPU-%03d.so", 999);
  XFILE::CFile::Cache(DLL_PATH_SPC_CODEC, m_loader_name);

  m_loader = new SoLoader(m_loader_name);
#else
  m_loader_name = CUtil::GetNextFilename("special://temp/SNESAPU-%03d.dll", 999);
  XFILE::CFile::Cache(DLL_PATH_SPC_CODEC, m_loader_name);

  m_loader = new Win32DllLoader(m_loader_name);
#endif
  if (!m_loader)
  {
    XFILE::CFile::Delete(m_loader_name);
    return false;
  }

  if (!m_loader->Load())
  {
    delete m_loader;
    m_loader = NULL;
    XFILE::CFile::Delete(m_loader_name);
    return false;
  }

  m_loader->ResolveExport("LoadSPCFile",(void**)&m_dll.LoadSPCFile);
  m_loader->ResolveExport("EmuAPU",(void**)&m_dll.EmuAPU);
  m_loader->ResolveExport("SeekAPU",(void**)&m_dll.SeekAPU);
#ifdef _LINUX
  m_loader->ResolveExport("InitAPU",(void**)&m_dll.InitAPU);
  m_loader->ResolveExport("ResetAPU",(void**)&m_dll.ResetAPU);
#endif

  CFile file;
  if (!file.Open(strFile))
  {
    CLog::Log(LOGERROR,"SPCCodec: error opening file %s!",strFile.c_str());
    return false;
  }
  m_szBuffer = new char[0x10200];
  if (!file.Read(m_szBuffer,0x10200))
  {
    delete[] m_szBuffer;
    m_szBuffer = NULL;
    file.Close();
    CLog::Log(LOGERROR,"SPCCodec: error reading file %s!",strFile.c_str());
    return false;
  }
  file.Close();

  m_pApuRAM = new u8[65536];
#ifdef _LINUX
  m_dll.InitAPU();
  m_dll.ResetAPU();
#endif

  m_dll.LoadSPCFile(m_szBuffer);

  m_SampleRate = 32000;
  m_Channels = 2;
  m_BitsPerSample = 16;
  CMusicInfoTagLoaderSPC tagLoader;
  CMusicInfoTag tag;
  tagLoader.Load(strFile,tag);
  if (tag.Loaded())
    m_TotalTime = tag.GetDuration()*1000;
  else
    m_TotalTime = 4*60*1000; // default
  m_iDataPos = 0;

  return true;
}