C++ CPVRChannel::UniqueID方法代码示例

bool CPVRChannelGroup::AddToGroup(CPVRChannel &channel, int iChannelNumber /* = 0 */)
{
  CSingleLock lock(m_critSection);

  bool bReturn(false);

  if (!CPVRChannelGroup::IsGroupMember(channel))
  {
    if (iChannelNumber <= 0 || iChannelNumber > (int) m_members.size() + 1)
      iChannelNumber = m_members.size() + 1;

    CPVRChannelPtr realChannel = (IsInternalGroup()) ?
        GetByClient(channel.UniqueID(), channel.ClientID()) :
        g_PVRChannelGroups->GetGroupAll(m_bRadio)->GetByClient(channel.UniqueID(), channel.ClientID());

    if (realChannel)
    {
      PVRChannelGroupMember newMember = { realChannel, (unsigned int)iChannelNumber };
      m_members.push_back(newMember);
      m_bChanged = true;

      SortAndRenumber();

      // TODO notify observers
      bReturn = true;
    }
  }

  return bReturn;
}

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 CPVRDatabase::Persist(CPVRChannel &channel)
{
  bool bReturn(false);

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

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

  if (QueueInsertQuery(strQuery))
  {
    /* update the channel ID for new channels */
    if (channel.ChannelID() <= 0)
      channel.SetChannelID((int)m_pDS->lastinsertid());

    bReturn = true;
  }

  return bReturn;
}

bool CPVRChannelGroupInternal::UpdateChannel(const CPVRChannel &channel)
{
  CPVRChannel *updateChannel = (CPVRChannel *) GetByUniqueID(channel.UniqueID());

  if (!updateChannel)
  {
    updateChannel = new CPVRChannel(channel.IsRadio());
    PVRChannelGroupMember newMember = { updateChannel, 0 };
    push_back(newMember);
    updateChannel->SetUniqueID(channel.UniqueID());
  }
  updateChannel->UpdateFromClient(channel);

  return updateChannel->Persist(!m_bLoaded);
}

bool CPVRChannelGroupInternal::UpdateChannel(const CPVRChannel &channel)
{
  CSingleLock lock(m_critSection);
  CPVRChannelPtr updateChannel = GetByUniqueID(channel.UniqueID());

  if (!updateChannel)
  {
    updateChannel = CPVRChannelPtr(new CPVRChannel(channel.IsRadio()));
    PVRChannelGroupMember newMember = { updateChannel, 0 };
    m_members.push_back(newMember);
    updateChannel->SetUniqueID(channel.UniqueID());
  }
  updateChannel->UpdateFromClient(channel);

  return updateChannel->Persist(!m_bLoaded);
}

CPVRTimerInfoTag *CPVRTimerInfoTag::CreateFromEpg(const CEpgInfoTag &tag)
{
  /* create a new timer */
  CPVRTimerInfoTag *newTag = new CPVRTimerInfoTag();
  if (!newTag)
  {
    CLog::Log(LOGERROR, "%s - couldn't create new timer", __FUNCTION__);
    return NULL;
  }

  /* check if a valid channel is set */
  CPVRChannel *channel = (CPVRChannel *) tag.ChannelTag();
  if (channel == NULL)
  {
    CLog::Log(LOGERROR, "%s - no channel set", __FUNCTION__);
    return NULL;
  }

  /* check if the epg end date is in the future */
  if (tag.EndAsLocalTime() < CDateTime::GetCurrentDateTime())
  {
    CLog::Log(LOGERROR, "%s - end time is in the past", __FUNCTION__);
    return NULL;
  }

  /* set the timer data */
  CDateTime newStart = tag.StartAsUTC();
  CDateTime newEnd = tag.EndAsUTC();
  newTag->m_iClientIndex      = -1;
  newTag->m_strTitle          = tag.Title().IsEmpty() ? channel->ChannelName() : tag.Title();
  newTag->m_iChannelNumber    = channel->ChannelNumber();
  newTag->m_iClientChannelUid = channel->UniqueID();
  newTag->m_iClientId         = channel->ClientID();
  newTag->m_bIsRadio          = channel->IsRadio();
  newTag->SetStartFromUTC(newStart);
  newTag->SetEndFromUTC(newEnd);

  if (tag.Plot().IsEmpty())
  {
    newTag->m_strSummary.Format("%s %s %s %s %s",
        newTag->StartAsLocalTime().GetAsLocalizedDate(),
        g_localizeStrings.Get(19159),
        newTag->StartAsLocalTime().GetAsLocalizedTime("", false),
        g_localizeStrings.Get(19160),
        newTag->EndAsLocalTime().GetAsLocalizedTime("", false));
  }
  else
  {
    newTag->m_strSummary = tag.Plot();
  }

  /* we might have a copy of the tag here, so get the real one from the pvrmanager */
  const CEpg *epgTable = channel->GetEPG();
  newTag->m_epgInfo = epgTable ? epgTable->GetTag(tag.UniqueBroadcastID(), tag.StartAsUTC()) : NULL;

  /* unused only for reference */
  newTag->m_strFileNameAndPath = "pvr://timers/new";

  return newTag;
}

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;
    }
  }
}

bool CPVRClient::SwitchChannel(const CPVRChannel &channel)
{
  bool bSwitched(false);

  if (IsPlayingLiveStream() && CanPlayChannel(channel))
  {
    PVR_CHANNEL tag;
    WriteClientChannelInfo(channel, tag);
    try
    {
      bSwitched = m_pStruct->SwitchChannel(tag);
      if (bSwitched)
      {
        m_bCanPauseStream = m_pStruct->CanPauseStream();
        m_bCanSeekStream = m_pStruct->CanSeekStream();
      }
    }
    catch (exception &e) { LogException(e, __FUNCTION__); }
  }

  if (bSwitched)
  {
    CPVRChannelPtr currentChannel = g_PVRChannelGroups->GetByUniqueID(channel.UniqueID(), channel.ClientID());
    CSingleLock lock(m_critSection);
    ResetQualityData(m_qualityInfo);
    m_playingChannel = currentChannel;
  }

  return bSwitched;
}

bool CPVRChannelGroup::RemoveDeletedChannels(const CPVRChannelGroup &channels)
{
  bool bReturn(false);
  CSingleLock lock(m_critSection);

  /* check for deleted channels */
  for (int iChannelPtr = size() - 1; iChannelPtr >= 0; iChannelPtr--)
  {
    CPVRChannel *channel = at(iChannelPtr).channel;
    if (!channel)
      continue;

    if (channels.GetByClient(channel->UniqueID(), channel->ClientID()) == NULL)
    {
      /* channel was not found */
      CLog::Log(LOGINFO,"PVRChannelGroup - %s - deleted %s channel '%s' from group '%s'",
          __FUNCTION__, m_bRadio ? "radio" : "TV", channel->ChannelName().c_str(), GroupName().c_str());

      /* remove this channel from all non-system groups if this is the internal group */
      if (IsInternalGroup())
      {
        g_PVRChannelGroups->Get(m_bRadio)->RemoveFromAllGroups(channel);

        /* since it was not found in the internal group, it was deleted from the backend */
        channel->Delete();
      }

      erase(begin() + iChannelPtr);
      m_bChanged = true;
      bReturn = true;
    }
  }

  return bReturn;
}

CPVRChannel *CPVRChannels::GetByUniqueID(int iUniqueID)
{
  for (unsigned int ptr = 0; ptr < size(); ptr++)
  {
    CPVRChannel *channel = at(ptr);
    if (channel->UniqueID() == iUniqueID)
      return channel;
  }
  return NULL;
}

bool CPVRChannelGroupInternal::UpdateFromClient(const CPVRChannel &channel)
{
  CSingleLock lock(m_critSection);
  CPVRChannel *realChannel = (CPVRChannel *) GetByClient(channel.UniqueID(), channel.ClientID());
  if (realChannel != NULL)
    realChannel->UpdateFromClient(channel);
  else
    realChannel = new CPVRChannel(channel);

  return CPVRChannelGroup::AddToGroup(realChannel, 0, false);
}

bool CPVRClient::OpenStream(const CPVRChannel &channel, bool bIsSwitchingChannel)
{
  bool bReturn(false);
  CloseStream();

  if(!CanPlayChannel(channel))
  {
    CLog::Log(LOGDEBUG, "add-on '%s' can not play channel '%s'", GetFriendlyName().c_str(), channel.ChannelName().c_str());
  }
  else if (!channel.StreamURL().IsEmpty())
  {
    CLog::Log(LOGDEBUG, "opening live stream on url '%s'", channel.StreamURL().c_str());
    bReturn = true;

    // the Njoy N7 sometimes doesn't switch channels, but opens a stream to the previous channel
    // when not waiting for a short period.
    // added in 1.1.0
    AddonVersion checkVersion("1.1.0");
    if (m_apiVersion >= checkVersion)
    {
      unsigned int iWaitTimeMs = m_pStruct->GetChannelSwitchDelay();
      if (iWaitTimeMs > 0)
        XbmcThreads::ThreadSleep(iWaitTimeMs);
    }
  }
  else
  {
    CLog::Log(LOGDEBUG, "opening live stream for channel '%s'", channel.ChannelName().c_str());
    PVR_CHANNEL tag;
    WriteClientChannelInfo(channel, tag);

    try
    {
      bReturn = m_pStruct->OpenLiveStream(tag);
      if (bReturn)
      {
        m_bCanPauseStream = m_pStruct->CanPauseStream();
        m_bCanSeekStream = m_pStruct->CanSeekStream();
      }
    }
    catch (exception &e) { LogException(e, __FUNCTION__); }
  }

  if (bReturn)
  {
    CPVRChannelPtr currentChannel = g_PVRChannelGroups->GetByUniqueID(channel.UniqueID(), channel.ClientID());
    CSingleLock lock(m_critSection);
    m_playingChannel      = currentChannel;
    m_bIsPlayingTV        = true;
    m_bIsPlayingRecording = false;
  }

  return bReturn;
}

/*!
 * @brief Copy over channel info from xbmcChannel to addonClient.
 * @param xbmcChannel The channel on XBMC's side.
 * @param addonChannel The channel on the addon's side.
 */
inline void PVRWriteClientChannelInfo(const CPVRChannel &xbmcChannel, PVR_CHANNEL &addonChannel)
{
  addonChannel.iUniqueId         = xbmcChannel.UniqueID();
  addonChannel.iChannelNumber    = xbmcChannel.ClientChannelNumber();
  addonChannel.strChannelName    = xbmcChannel.ClientChannelName().c_str();
  addonChannel.strIconPath       = xbmcChannel.IconPath().c_str();
  addonChannel.iEncryptionSystem = xbmcChannel.EncryptionSystem();
  addonChannel.bIsRadio          = xbmcChannel.IsRadio();
  addonChannel.bIsHidden         = xbmcChannel.IsHidden();
  addonChannel.strInputFormat    = xbmcChannel.InputFormat().c_str();
  addonChannel.strStreamURL      = xbmcChannel.StreamURL().c_str();
}