C++ CPVRChannel::IsVirtual方法代码示例

bool CPVRDatabase::Persist(CPVRChannel &channel, bool bQueueWrite /* = false */)
{
  bool bReturn(false);

  /* invalid channel */
  if (channel.UniqueID() <= 0)
  {
    CLog::Log(LOGERROR, "PVR - %s - invalid channel uid: %d", __FUNCTION__, channel.UniqueID());
    return bReturn;
  }

  CStdString strQuery;
  if (channel.ChannelID() <= 0)
  {
    /* new channel */
    strQuery = PrepareSQL("INSERT INTO channels ("
        "iUniqueId, bIsRadio, bIsHidden, bIsUserSetIcon, bIsLocked, "
        "sIconPath, sChannelName, bIsVirtual, bEPGEnabled, sEPGScraper, iLastWatched, iClientId, "
        "iClientChannelNumber, sInputFormat, sStreamURL, iEncryptionSystem, idEpg) "
        "VALUES (%i, %i, %i, %i, %i, '%s', '%s', %i, %i, '%s', %u, %i, %i, '%s', '%s', %i, %i)",
        channel.UniqueID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0), (channel.IsUserSetIcon() ? 1 : 0), (channel.IsLocked() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.LastWatched(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem(),
        channel.EpgID());
  }
  else
  {
    /* update channel */
    strQuery = PrepareSQL("REPLACE INTO channels ("
        "iUniqueId, bIsRadio, bIsHidden, bIsUserSetIcon, bIsLocked, "
        "sIconPath, sChannelName, bIsVirtual, bEPGEnabled, sEPGScraper, iLastWatched, iClientId, "
        "iClientChannelNumber, sInputFormat, sStreamURL, iEncryptionSystem, idChannel, idEpg) "
        "VALUES (%i, %i, %i, %i, %i, '%s', '%s', %i, %i, '%s', %u, %i, %i, '%s', '%s', %i, %i, %i)",
        channel.UniqueID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0), (channel.IsUserSetIcon() ? 1 : 0), (channel.IsLocked() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.LastWatched(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem(), channel.ChannelID(),
        channel.EpgID());
  }

  if (bQueueWrite)
  {
    QueueInsertQuery(strQuery);
    bReturn = true;
  }
  else if (ExecuteQuery(strQuery))
  {
    CSingleLock lock(channel.m_critSection);
    if (channel.m_iChannelId <= 0)
      channel.m_iChannelId = (int)m_pDS->lastinsertid();
    bReturn = true;
  }

  return bReturn;
}

int CPVRDatabase::Persist(const CPVRChannel &channel, bool bQueueWrite /* = false */)
{
  int iReturn = -1;

  /* invalid channel */
  if (channel.UniqueID() <= 0)
  {
    CLog::Log(LOGERROR, "PVRDB - %s - invalid channel uid: %d",
        __FUNCTION__, channel.UniqueID());
    return iReturn;
  }

  CStdString strQuery;

  if (channel.ChannelID() <= 0)
  {
    /* new channel */
    strQuery = FormatSQL("INSERT INTO channels ("
        "iUniqueId, bIsRadio, bIsHidden, "
        "sIconPath, sChannelName, bIsVirtual, bEPGEnabled, sEPGScraper, iLastWatched, iClientId, "
        "iClientChannelNumber, sInputFormat, sStreamURL, iEncryptionSystem, idEpg) "
        "VALUES (%i, %i, %i, '%s', '%s', %i, %i, '%s', %u, %i, %i, '%s', '%s', %i, %i);",
        channel.UniqueID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.LastWatched(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem(),
        channel.EpgID());
  }
  else
  {
    /* update channel */
    strQuery = FormatSQL("REPLACE INTO channels ("
        "iUniqueId, bIsRadio, bIsHidden, "
        "sIconPath, sChannelName, bIsVirtual, bEPGEnabled, sEPGScraper, iLastWatched, iClientId, "
        "iClientChannelNumber, sInputFormat, sStreamURL, iEncryptionSystem, idChannel, idEpg) "
        "VALUES (%i, %i, %i, '%s', '%s', %i, %i, '%s', %u, %i, %i, '%s', '%s', %i, %i, %i);",
        channel.UniqueID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.LastWatched(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem(), channel.ChannelID(),
        channel.EpgID());
  }

  if (bQueueWrite)
  {
    QueueInsertQuery(strQuery);
    iReturn = 0;
  }
  else if (ExecuteQuery(strQuery))
  {
    iReturn = (channel.ChannelID() <= 0) ? (int) m_pDS->lastinsertid() : channel.ChannelID();
  }

  return iReturn;
}

long CPVRDatabase::UpdateChannel(const CPVRChannel &channel, bool bQueueWrite /* = false */)
{
  long iReturn = -1;

  /* invalid channel */
  if (channel.UniqueID() <= 0)
  {
    CLog::Log(LOGERROR, "PVRDB - %s - invalid channel uid: %d",
        __FUNCTION__, channel.UniqueID());
    return iReturn;
  }

  CStdString strQuery;

  if (channel.ChannelID() <= 0)
  {
    /* new channel */
    strQuery = FormatSQL("INSERT INTO Channels ("
        "UniqueId, ChannelNumber, GroupId, IsRadio, IsHidden, "
        "IconPath, ChannelName, IsVirtual, EPGEnabled, EPGScraper, ClientId, "
        "ClientChannelNumber, InputFormat, StreamURL, EncryptionSystem) "
        "VALUES (%i, %i, %i, %i, %i, '%s', '%s', %i, %i, '%s', %i, %i, '%s', '%s', %i)\n",
        channel.UniqueID(), channel.ChannelNumber(), channel.GroupID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem());
  }
  else
  {
    /* update channel */
    strQuery = FormatSQL("REPLACE INTO Channels ("
        "UniqueId, ChannelNumber, GroupId, IsRadio, IsHidden, "
        "IconPath, ChannelName, IsVirtual, EPGEnabled, EPGScraper, ClientId, "
        "ClientChannelNumber, InputFormat, StreamURL, EncryptionSystem, ChannelId) "
        "VALUES (%i, %i, %i, %i, %i, '%s', '%s', %i, %i, '%s', %i, %i, '%s', '%s', %i, %i)\n",
        channel.UniqueID(), channel.ChannelNumber(), channel.GroupID(), (channel.IsRadio() ? 1 :0), (channel.IsHidden() ? 1 : 0),
        channel.IconPath().c_str(), channel.ChannelName().c_str(), (channel.IsVirtual() ? 1 : 0), (channel.EPGEnabled() ? 1 : 0), channel.EPGScraper().c_str(), channel.ClientID(),
        channel.ClientChannelNumber(), channel.InputFormat().c_str(), channel.StreamURL().c_str(), channel.EncryptionSystem(), channel.ChannelID());
  }

  if (bQueueWrite)
  {
    QueueInsertQuery(strQuery);
    iReturn = 0;
  }
  else if (ExecuteQuery(strQuery))
  {
    iReturn = (channel.ChannelID() <= 0) ? (long) m_pDS->lastinsertid() : channel.ChannelID();
  }

  return iReturn;
}

bool CPVRClients::OpenLiveStream(const CPVRChannel &tag)
{
  bool bReturn = false;
  CSingleLock lock(m_critSection);

  if (m_currentChannel)
    delete m_currentChannel;
  if (m_currentRecording)
    delete m_currentRecording;

  ResetQualityData();

  /* try to open the stream on the client */
  if (tag.StreamURL().IsEmpty() &&
      m_clientsProps[tag.ClientID()].HandleInputStream &&
      m_clientMap[tag.ClientID()]->OpenLiveStream(tag))
  {
    m_currentChannel = &tag;
    if (tag.ClientID() == XBMC_VIRTUAL_CLIENTID)
      m_strPlayingClientName = g_localizeStrings.Get(19209);
    else if (!tag.IsVirtual())
      m_strPlayingClientName = GetClientName(tag.ClientID());
    else
      m_strPlayingClientName = g_localizeStrings.Get(13205);

    m_scanStart = CTimeUtils::GetTimeMS();  /* Reset the stream scan timer */
    bReturn = true;
  }

  return bReturn;
}

bool CPVRClients::OpenStream(const CPVRChannel &tag, bool bIsSwitchingChannel)
{
  bool bReturn(false);
  CloseStream();

  /* try to open the stream on the client */
  PVR_CLIENT client;
  if (GetConnectedClient(tag.ClientID(), client) &&
      client->OpenStream(tag, bIsSwitchingChannel))
  {
    CSingleLock lock(m_critSection);
    m_playingClientId = tag.ClientID();
    m_bIsPlayingLiveTV = true;

    if (tag.ClientID() == PVR_VIRTUAL_CLIENT_ID)
      m_strPlayingClientName = g_localizeStrings.Get(19209);
    else if (!tag.IsVirtual() && client.get())
      m_strPlayingClientName = client->GetFriendlyName();
    else
      m_strPlayingClientName = g_localizeStrings.Get(13205);

    bReturn = true;
  }

  return bReturn;
}

void CPVRChannelGroup::RemoveInvalidChannels(void)
{
  for (unsigned int ptr = 0; ptr < size(); ptr--)
  {
    CPVRChannel *channel = at(ptr).channel;
    if (channel->IsVirtual())
      continue;

    if (at(ptr).channel->ClientChannelNumber() <= 0)
    {
      CLog::Log(LOGERROR, "PVRChannelGroup - %s - removing invalid channel '%s' from client '%i': no valid client channel number",
          __FUNCTION__, channel->ChannelName().c_str(), channel->ClientID());
      erase(begin() + ptr);
      ptr--;
      m_bChanged = true;
      continue;
    }

    if (channel->UniqueID() <= 0)
    {
      CLog::Log(LOGERROR, "PVRChannelGroup - %s - removing invalid channel '%s' from client '%i': no valid unique ID",
          __FUNCTION__, channel->ChannelName().c_str(), channel->ClientID());
      erase(begin() + ptr);
      ptr--;
      m_bChanged = true;
      continue;
    }
  }
}

void CPVRClients::UpdateCharInfoSignalStatus(void)
{
  CPVRChannel currentChannel;
  boost::shared_ptr<CPVRClient> client;
  PVR_SIGNAL_STATUS qualityInfo;
  ResetQualityData(qualityInfo);

  if (GetPlayingChannel(currentChannel) &&
      g_guiSettings.GetBool("pvrplayback.signalquality") &&
      !currentChannel.IsVirtual() &&
      GetConnectedClient(currentChannel.ClientID(), client))
  {
    client->SignalQuality(qualityInfo);
  }

  CSingleLock lock(m_critSection);
  m_qualityInfo = qualityInfo;
}

void CPVRChannelGroup::RemoveInvalidChannels(void)
{
  bool bDelete(false);
  CSingleLock lock(m_critSection);
  for (unsigned int ptr = 0; ptr < m_members.size(); ptr--)
  {
    bDelete = false;
    CPVRChannel *channel = m_members.at(ptr).channel;
    if (channel->IsVirtual())
      continue;

    if (m_members.at(ptr).channel->ClientChannelNumber() <= 0)
    {
      CLog::Log(LOGERROR, "PVRChannelGroup - %s - removing invalid channel '%s' from client '%i': no valid client channel number",
          __FUNCTION__, channel->ChannelName().c_str(), channel->ClientID());
      bDelete = true;
    }

    if (!bDelete && channel->UniqueID() <= 0)
    {
      CLog::Log(LOGERROR, "PVRChannelGroup - %s - removing invalid channel '%s' from client '%i': no valid unique ID",
          __FUNCTION__, channel->ChannelName().c_str(), channel->ClientID());
      bDelete = true;
    }

    /* remove this channel from all non-system groups if this is the internal group */
    if (bDelete)
    {
      if (IsInternalGroup())
      {
        g_PVRChannelGroups->Get(m_bRadio)->RemoveFromAllGroups(channel);
        channel->Delete();
      }
      else
      {
          m_members.erase(m_members.begin() + ptr);
      }
      m_bChanged = true;
    }
  }
}

bool CPVRClients::OpenLiveStream(const CPVRChannel &tag)
{
  bool bReturn(false);
  CSingleLock lock(m_critSection);

  if (m_currentChannel)
  {
    delete m_currentChannel;
    m_currentChannel = NULL;
  }
  if (m_currentRecording)
  {
    delete m_currentRecording;
    m_currentRecording = NULL;
  }

  ResetQualityData();

  /* try to open the stream on the client */
  if ((tag.StreamURL().IsEmpty() == false ||
      m_clientsProps[tag.ClientID()].bHandlesInputStream) &&
      m_clientMap[tag.ClientID()]->OpenLiveStream(tag))
  {
    m_currentChannel = &tag;
    if (tag.ClientID() == XBMC_VIRTUAL_CLIENTID)
      m_strPlayingClientName = g_localizeStrings.Get(19209);
    else if (!tag.IsVirtual())
      m_strPlayingClientName = GetClientName(tag.ClientID());
    else
      m_strPlayingClientName = g_localizeStrings.Get(13205);

    bReturn = true;
  }

  return bReturn;
}

bool CPVRChannelGroupInternal::UpdateGroupEntries(CPVRChannelGroup *channels)
{
  CPVRDatabase *database = CPVRManager::Get()->GetTVDatabase();
  if(!database && !database->Open())
    return false;

  int iSize = size();
  for (int ptr = 0; ptr < iSize; ptr++)
  {
    CPVRChannel *channel = at(ptr).channel;

    /* ignore virtual channels */
    if (channel->IsVirtual())
      continue;

    /* check if this channel is still present */
    const CPVRChannel *existingChannel = channels->GetByUniqueID(channel->UniqueID());
    if (existingChannel)
    {
      /* if it's present, update the current tag */
      if (channel->UpdateFromClient(*existingChannel))
      {
        channel->Persist(true);
        CLog::Log(LOGINFO,"PVRChannelGroupInternal - %s - updated %s channel '%s'",
            __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
      }

      /* remove this tag from the temporary channel list */
      channels->RemoveByUniqueID(channel->UniqueID());
    }
    else
    {
      /* channel is no longer present */
      CLog::Log(LOGINFO,"PVRChannelGroupInternal - %s - removing %s channel '%s'",
          __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
      channel->Delete();
      erase(begin() + ptr);
      ptr--;
      iSize--;
    }
  }

  /* the temporary channel list only contains new channels now */
  for (unsigned int ptr = 0; ptr < channels->size(); ptr++)
  {
    CPVRChannel *channel = channels->at(ptr).channel;
    channel->Persist(true);

    PVRChannelGroupMember member = { channel, size() };
    push_back(member);

    CLog::Log(LOGINFO,"PVRChannelGroupInternal - %s - added %s channel '%s'",
        __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
  }

  /* post the queries generated by the update */
  database->CommitInsertQueries();

  database->Close();

  Renumber();

  return true;
}

bool CPVRChannels::Update(CPVRChannels *channels)
{
  /* the database has already been opened */
  CPVRDatabase *database = g_PVRManager.GetTVDatabase();

  int iSize = size();
  for (int ptr = 0; ptr < iSize; ptr++)
  {
    CPVRChannel *channel = at(ptr);

    /* ignore virtual channels */
    if (channel->IsVirtual())
      continue;

    /* check if this channel is still present */
    CPVRChannel *existingChannel = channels->GetByUniqueID(channel->UniqueID());
    if (existingChannel)
    {
      /* if it's present, update the current tag */
      if (channel->UpdateFromClient(*existingChannel))
      {
        channel->Persist(true);
        CLog::Log(LOGINFO,"%s - updated %s channel '%s'",
            __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
      }

      /* remove this tag from the temporary channel list */
      channels->RemoveByUniqueID(channel->UniqueID());
    }
    else
    {
      /* channel is no longer present */
      CLog::Log(LOGINFO,"%s - removing %s channel '%s'",
          __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
      database->RemoveChannel(*channel);
      erase(begin() + ptr);
      ptr--;
      iSize--;
    }
  }

  /* the temporary channel list only contains new channels now */
  for (unsigned int ptr = 0; ptr < channels->size(); ptr++)
  {
    CPVRChannel *channel = channels->at(ptr);
    channel->Persist(true);
    push_back(channel);

    CLog::Log(LOGINFO,"%s - added %s channel '%s'",
        __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str());
  }

  /* post the queries generated by the update */
  database->CommitInsertQueries();

  /* recount hidden channels */
  m_iHiddenChannels = 0;
  for (unsigned int i = 0; i < size(); i++)
  {
    if (at(i)->IsHidden())
      m_iHiddenChannels++;
  }

  m_bIsSorted = false;
  return true;
}