C++ CCECBusDevice::ReplaceHandler方法代码示例

bool CSLCommandHandler::InitHandler(void)
{
  if (m_bHandlerInited)
    return true;
  m_bHandlerInited = true;

  if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
    return true;

  CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  {
    /* imitate LG devices */
    if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
    {
      primary->SetVendorId(CEC_VENDOR_LG);
      primary->ReplaceHandler(false);
    }

    if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
    {
      /* start as 'in transition standby->on' */
      primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
      primary->TransmitPowerState(CECDEVICE_TV, false);

      /* send the vendor id */
      primary->TransmitVendorID(CECDEVICE_BROADCAST, false, false);
    }
  }

  return true;
}

bool CRLCommandHandler::InitHandler(void)
{
  if (m_bHandlerInited)
    return true;
  m_bHandlerInited = true;

  if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
    return true;

  CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  {
    /* imitate Toshiba devices */
    if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
    {
      primary->SetVendorId(CEC_VENDOR_TOSHIBA);
      primary->ReplaceHandler(false);
    }

    if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
    {
      /* send the vendor id */
      primary->TransmitVendorID(CECDEVICE_BROADCAST, false, false);
    }
  }

  return true;
}

bool CVLCommandHandler::InitHandler(void)
{
  CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  {
    /* use the VL commandhandler for the primary device that is handled by libCEC */
    if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
    {
      if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
      {
        libcec_configuration config;
        m_processor->GetPrimaryClient()->GetCurrentConfiguration(config);
        if (config.iDoubleTapTimeoutMs == 0)
        {
          config.iDoubleTapTimeoutMs = CEC_DOUBLE_TAP_TIMEOUT_MS;
          m_processor->GetPrimaryClient()->SetConfiguration(config);
        }

        primary->SetVendorId(CEC_VENDOR_PANASONIC);
        primary->ReplaceHandler(false);
      }

      if (primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
        return m_processor->GetPrimaryClient()->ChangeDeviceType(CEC_DEVICE_TYPE_RECORDING_DEVICE, CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
    }
  }

  return CCECCommandHandler::InitHandler();
}

bool CPHCommandHandler::InitHandler(void)
{
  CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  {
    //XXX hack to use this handler for the primary device
    if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV &&
        primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
    {
      primary->SetVendorId(CEC_VENDOR_PHILIPS);
      primary->ReplaceHandler(false);
    }
  }

  return CCECCommandHandler::InitHandler();
}

bool CCECProcessor::RegisterClient(CCECClient *client)
{
  if (!client)
    return false;

  libcec_configuration &configuration = *client->GetConfiguration();

  if (configuration.clientVersion < CEC_CLIENT_VERSION_2_0_0)
  {
    m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: client version %s is no longer supported", ToString((cec_client_version)configuration.clientVersion));
    return false;
  }

  if (configuration.bMonitorOnly == 1)
    return true;

  if (!CECInitialised())
  {
    m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: CEC processor is not initialised");
    return false;
  }

  // unregister the client first if it's already been marked as registered
  if (client->IsRegistered())
    UnregisterClient(client);

  // ensure that controlled mode is enabled
  m_communication->SetControlledMode(true);
  m_bMonitor = false;

  // source logical address for requests
  cec_logical_address sourceAddress(CECDEVICE_UNREGISTERED);
  if (!m_communication->SupportsSourceLogicalAddress(CECDEVICE_UNREGISTERED))
  {
    if (m_communication->SupportsSourceLogicalAddress(CECDEVICE_FREEUSE))
      sourceAddress = CECDEVICE_FREEUSE;
    else
    {
      m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: both unregistered and free use are not supported by the device");
      return false;
    }
  }

  // ensure that we know the vendor id of the TV
  CCECBusDevice *tv = GetTV();
  cec_vendor_id tvVendor(tv->GetVendorId(sourceAddress));

  // wait until the handler is replaced, to avoid double registrations
  if (tvVendor != CEC_VENDOR_UNKNOWN &&
      CCECCommandHandler::HasSpecificHandler(tvVendor))
  {
    while (!tv->ReplaceHandler(false))
      CEvent::Sleep(5);
  }

  // get the configuration from the client
  m_libcec->AddLog(CEC_LOG_NOTICE, "registering new CEC client - v%s", ToString((cec_client_version)configuration.clientVersion));

  // get the current ackmask, so we can restore it if polling fails
  cec_logical_addresses previousMask = GetLogicalAddresses();

  // mark as uninitialised
  client->SetInitialised(false);

  // find logical addresses for this client
  if (!AllocateLogicalAddresses(client))
  {
    m_libcec->AddLog(CEC_LOG_ERROR, "failed to register the new CEC client - cannot allocate the requested device types");
    SetLogicalAddresses(previousMask);
    return false;
  }

  // get the settings from the rom
  if (configuration.bGetSettingsFromROM == 1)
  {
    libcec_configuration config; config.Clear();
    m_communication->GetConfiguration(config);

    CLockObject lock(m_mutex);
    if (!config.deviceTypes.IsEmpty())
      configuration.deviceTypes = config.deviceTypes;
    if (CLibCEC::IsValidPhysicalAddress(config.iPhysicalAddress))
      configuration.iPhysicalAddress = config.iPhysicalAddress;
    snprintf(configuration.strDeviceName, 13, "%s", config.strDeviceName);
  }

  // set the firmware version and build date
  configuration.serverVersion      = LIBCEC_VERSION_CURRENT;
  configuration.iFirmwareVersion   = m_communication->GetFirmwareVersion();
  configuration.iFirmwareBuildDate = m_communication->GetFirmwareBuildDate();
  configuration.adapterType        = m_communication->GetAdapterType();

  // mark the client as registered
  client->SetRegistered(true);

  sourceAddress = client->GetPrimaryLogicalAdddress();

  // initialise the client
  bool bReturn = client->OnRegister();

//.........这里部分代码省略.........