[deb_libcec.git] / src / lib / LibCEC.cpp

/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; 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.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "LibCEC.h"

#include "adapter/USBCECAdapterDetection.h"
#include "adapter/USBCECAdapterCommunication.h"
#include "CECProcessor.h"
#include "devices/CECAudioSystem.h"
#include "devices/CECBusDevice.h"
#include "devices/CECPlaybackDevice.h"
#include "devices/CECTV.h"
#include "platform/util/timeutils.h"
#include "platform/util/StdString.h"

#include "CECClient.h"

using namespace std;
using namespace CEC;
using namespace PLATFORM;

CLibCEC::CLibCEC(void) :
    m_client(NULL),
    m_iStartTime(GetTimeMs())
{
  m_cec = new CCECProcessor(this);
}

CLibCEC::~CLibCEC(void)
{
  delete m_client;
  m_client = NULL;
  delete m_cec;
  m_cec = NULL;
}

bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */)
{
  if (m_cec->IsRunning())
  {
    AddLog(CEC_LOG_ERROR, "connection already open");
    return false;
  }

  if (!m_cec->Start(strPort, CEC_SERIAL_DEFAULT_BAUDRATE, iTimeoutMs))
  {
    AddLog(CEC_LOG_ERROR, "could not start CEC communications");
    return false;
  }

  for (vector<CCECClient *>::iterator it = m_clients.begin(); it != m_clients.end(); it++)
  {
    if (!m_cec->RegisterClient(*it))
    {
      AddLog(CEC_LOG_ERROR, "failed to register a CEC client");
      return false;
    }
  }

  return true;
}

void CLibCEC::Close(void)
{
  m_clients.clear();

  if (m_client)
  {
    delete m_client;
    m_client = NULL;
  }
  if (m_cec)
  {
    delete m_cec;
    m_cec = NULL;
  }
}

int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
{
  return CUSBCECAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
}

bool CLibCEC::PingAdapter(void)
{
  return m_cec ? m_cec->PingAdapter() : false;
}

bool CLibCEC::StartBootloader(void)
{
  return m_cec ? m_cec->StartBootloader() : false;
}

bool CLibCEC::SwitchMonitoring(bool bEnable)
{
  return m_cec ? m_cec->SwitchMonitoring(bEnable) : false;
}

cec_logical_address CLibCEC::GetActiveSource(void)
{
  return m_cec ? m_cec->GetActiveSource() : CECDEVICE_UNKNOWN;
}

bool CLibCEC::IsActiveSource(cec_logical_address iAddress)
{
  return m_cec ? m_cec->IsActiveSource(iAddress) : false;
}

bool CLibCEC::PollDevice(cec_logical_address iAddress)
{
  return m_cec ? m_cec->PollDevice(iAddress) : false;
}

cec_logical_addresses CLibCEC::GetActiveDevices(void)
{
  CECDEVICEVEC activeDevices;
  if (m_cec)
    m_cec->GetDevices()->GetActive(activeDevices);
  return CCECDeviceMap::ToLogicalAddresses(activeDevices);
}

bool CLibCEC::IsActiveDevice(cec_logical_address iAddress)
{
  cec_logical_addresses activeDevices = GetActiveDevices();
  return activeDevices.IsSet(iAddress);
}

bool CLibCEC::IsActiveDeviceType(cec_device_type type)
{
  CECDEVICEVEC activeDevices;
  if (m_cec)
    m_cec->GetDevices()->GetActive(activeDevices);
  CCECDeviceMap::FilterType(type, activeDevices);
  return !activeDevices.empty();
}

bool CLibCEC::SetStreamPath(cec_logical_address iAddress)
{
  uint16_t iPhysicalAddress = GetDevicePhysicalAddress(iAddress);
  if (iPhysicalAddress != CEC_INVALID_PHYSICAL_ADDRESS)
    return SetStreamPath(iPhysicalAddress);
  return false;
}

bool CLibCEC::SetStreamPath(uint16_t iPhysicalAddress)
{
  return m_cec->SetStreamPath(iPhysicalAddress);
}

bool CLibCEC::IsLibCECActiveSource(void)
{
  bool bReturn(false);
  if (m_cec)
  {
    cec_logical_address activeSource = m_cec->GetActiveSource();
    CCECBusDevice *device = m_cec->GetDevice(activeSource);
    if (device)
      bReturn = device->IsHandledByLibCEC();
  }
  return bReturn;
}

bool CLibCEC::CanPersistConfiguration(void)
{
  return m_cec->CanPersistConfiguration();
}

bool CLibCEC::PersistConfiguration(libcec_configuration *configuration)
{
  return m_cec->PersistConfiguration(configuration);
}

void CLibCEC::RescanActiveDevices(void)
{
  return m_cec->RescanActiveDevices();
}

bool CLibCEC::EnableCallbacks(void *cbParam, ICECCallbacks *callbacks)
{
  return m_client ? m_client->EnableCallbacks(cbParam, callbacks) : false;
}

bool CLibCEC::GetCurrentConfiguration(libcec_configuration *configuration)
{
  return m_client ? m_client->GetCurrentConfiguration(configuration) : false;
}

bool CLibCEC::SetConfiguration(const libcec_configuration *configuration)
{
  return m_client ? m_client->SetConfiguration(configuration) : false;
}

bool CLibCEC::Transmit(const cec_command &data)
{
  return m_client ? m_client->Transmit(data) : false;
}

bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
{
  return m_client ? m_client->SetLogicalAddress(iLogicalAddress) : false;
}

bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
{
  return m_client ? m_client->SetPhysicalAddress(iPhysicalAddress) : false;
}

bool CLibCEC::SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort /* = CEC_DEFAULT_HDMI_PORT */)
{
  return m_client ? m_client->SetHDMIPort(iBaseDevice, iPort) : false;
}

bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
{
  return m_client ? m_client->SendPowerOnDevices(address) : false;
}

bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
{
  return m_client ? m_client->SendStandbyDevices(address) : false;
}

bool CLibCEC::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RESERVED */)
{
  return m_client ? m_client->SendSetActiveSource(type) : false;
}

bool CLibCEC::SetDeckControlMode(cec_deck_control_mode mode, bool bSendUpdate /* = true */)
{
  return m_client ? m_client->SendSetDeckControlMode(mode, bSendUpdate) : false;
}

bool CLibCEC::SetDeckInfo(cec_deck_info info, bool bSendUpdate /* = true */)
{
  return m_client ? m_client->SendSetDeckInfo(info, bSendUpdate) : false;
}

bool CLibCEC::SetInactiveView(void)
{
  return m_client ? m_client->SendSetInactiveView() : false;
}

bool CLibCEC::SetMenuState(cec_menu_state state, bool bSendUpdate /* = true */)
{
  return m_client ? m_client->SendSetMenuState(state, bSendUpdate) : false;
}

bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage)
{
  return m_client ? m_client->SendSetOSDString(iLogicalAddress, duration, strMessage) : false;
}

cec_version CLibCEC::GetDeviceCecVersion(cec_logical_address iAddress)
{
  return m_client ? m_client->GetDeviceCecVersion(iAddress) : CEC_VERSION_UNKNOWN;
}

bool CLibCEC::GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language)
{
  return m_client ? m_client->GetDeviceMenuLanguage(iAddress, language) : false;
}

uint64_t CLibCEC::GetDeviceVendorId(cec_logical_address iAddress)
{
  return m_client ? m_client->GetDeviceVendorId(iAddress) : (uint64_t)CEC_VENDOR_UNKNOWN;
}

uint16_t CLibCEC::GetDevicePhysicalAddress(cec_logical_address iAddress)
{
  return m_client ? m_client->GetDevicePhysicalAddress(iAddress) : CEC_INVALID_PHYSICAL_ADDRESS;
}

cec_power_status CLibCEC::GetDevicePowerStatus(cec_logical_address iAddress)
{
  return m_client ? m_client->GetDevicePowerStatus(iAddress) : CEC_POWER_STATUS_UNKNOWN;
}

uint8_t CLibCEC::VolumeUp(bool bSendRelease /* = true */)
{
  return m_client ? m_client->SendVolumeUp(bSendRelease) : (uint8_t)CEC_AUDIO_VOLUME_STATUS_UNKNOWN;
}

uint8_t CLibCEC::VolumeDown(bool bSendRelease /* = true */)
{
  return m_client ? m_client->SendVolumeDown(bSendRelease) : (uint8_t)CEC_AUDIO_VOLUME_STATUS_UNKNOWN;
}

uint8_t CLibCEC::MuteAudio(bool UNUSED(bSendRelease) /* = true */)
{
  return m_client ? m_client->SendMuteAudio() : (uint8_t)CEC_AUDIO_VOLUME_STATUS_UNKNOWN;
}

bool CLibCEC::SendKeypress(cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
{
  return m_client ? m_client->SendKeypress(iDestination, key, bWait) : false;
}

bool CLibCEC::SendKeyRelease(cec_logical_address iDestination, bool bWait /* = true */)
{
  return m_client ? m_client->SendKeyRelease(iDestination, bWait) : false;
}

cec_osd_name CLibCEC::GetDeviceOSDName(cec_logical_address iAddress)
{
  cec_osd_name retVal;
  if (m_client)
    retVal = m_client->GetDeviceOSDName(iAddress);
  return retVal;
}

cec_logical_addresses CLibCEC::GetLogicalAddresses(void)
{
  cec_logical_addresses addresses;
  if (m_cec)
    addresses = m_cec->GetLogicalAddresses();
  return addresses;
}

bool CLibCEC::GetNextLogMessage(cec_log_message *message)
{
  return m_client ? m_client->GetNextLogMessage(message) : false;
}

bool CLibCEC::GetNextKeypress(cec_keypress *key)
{
  return m_client ? m_client->GetNextKeypress(key) : false;
}

bool CLibCEC::GetNextCommand(cec_command *command)
{
  return m_client ? m_client->GetNextCommand(command) : false;
}

cec_device_type CLibCEC::GetType(cec_logical_address address)
{
  switch (address)
  {
    case CECDEVICE_AUDIOSYSTEM:
      return CEC_DEVICE_TYPE_AUDIO_SYSTEM;
    case CECDEVICE_PLAYBACKDEVICE1:
    case CECDEVICE_PLAYBACKDEVICE2:
    case CECDEVICE_PLAYBACKDEVICE3:
      return CEC_DEVICE_TYPE_PLAYBACK_DEVICE;
    case CECDEVICE_RECORDINGDEVICE1:
    case CECDEVICE_RECORDINGDEVICE2:
    case CECDEVICE_RECORDINGDEVICE3:
      return CEC_DEVICE_TYPE_RECORDING_DEVICE;
    case CECDEVICE_TUNER1:
    case CECDEVICE_TUNER2:
    case CECDEVICE_TUNER3:
    case CECDEVICE_TUNER4:
      return CEC_DEVICE_TYPE_TUNER;
    case CECDEVICE_TV:
      return CEC_DEVICE_TYPE_TV;
    default:
      return CEC_DEVICE_TYPE_RESERVED;
  }
}

uint16_t CLibCEC::GetMaskForType(cec_logical_address address)
{
  return GetMaskForType(GetType(address));
}

uint16_t CLibCEC::GetMaskForType(cec_device_type type)
{
  switch (type)
  {
    case CEC_DEVICE_TYPE_AUDIO_SYSTEM:
    {
      cec_logical_addresses addr;
      addr.Clear();
      addr.Set(CECDEVICE_AUDIOSYSTEM);
      return addr.AckMask();
    }
    case CEC_DEVICE_TYPE_PLAYBACK_DEVICE:
    {
      cec_logical_addresses addr;
      addr.Clear();
      addr.Set(CECDEVICE_PLAYBACKDEVICE1);
      addr.Set(CECDEVICE_PLAYBACKDEVICE2);
      addr.Set(CECDEVICE_PLAYBACKDEVICE3);
      return addr.AckMask();
    }
    case CEC_DEVICE_TYPE_RECORDING_DEVICE:
    {
      cec_logical_addresses addr;
      addr.Clear();
      addr.Set(CECDEVICE_RECORDINGDEVICE1);
      addr.Set(CECDEVICE_RECORDINGDEVICE2);
      addr.Set(CECDEVICE_RECORDINGDEVICE3);
      return addr.AckMask();
    }
    case CEC_DEVICE_TYPE_TUNER:
    {
      cec_logical_addresses addr;
      addr.Clear();
      addr.Set(CECDEVICE_TUNER1);
      addr.Set(CECDEVICE_TUNER2);
      addr.Set(CECDEVICE_TUNER3);
      addr.Set(CECDEVICE_TUNER4);
      return addr.AckMask();
    }
    case CEC_DEVICE_TYPE_TV:
    {
      cec_logical_addresses addr;
      addr.Clear();
      addr.Set(CECDEVICE_TV);
      return addr.AckMask();
    }
    default:
      return 0;
  }
}

bool CLibCEC::IsValidPhysicalAddress(uint16_t iPhysicalAddress)
{
  return iPhysicalAddress >= CEC_MIN_PHYSICAL_ADDRESS &&
         iPhysicalAddress <= CEC_MAX_PHYSICAL_ADDRESS;
}

const char *CLibCEC::ToString(const cec_device_type type)
{
  switch (type)
  {
  case CEC_DEVICE_TYPE_AUDIO_SYSTEM:
    return "audio system";
  case CEC_DEVICE_TYPE_PLAYBACK_DEVICE:
    return "playback device";
  case CEC_DEVICE_TYPE_RECORDING_DEVICE:
      return "recording device";
  case CEC_DEVICE_TYPE_RESERVED:
      return "reserved";
  case CEC_DEVICE_TYPE_TUNER:
      return "tuner";
  case CEC_DEVICE_TYPE_TV:
      return "TV";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_menu_state state)
{
  switch (state)
  {
  case CEC_MENU_STATE_ACTIVATED:
    return "activated";
  case CEC_MENU_STATE_DEACTIVATED:
    return "deactivated";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_version version)
{
  switch (version)
  {
  case CEC_VERSION_1_2:
    return "1.2";
  case CEC_VERSION_1_2A:
    return "1.2a";
  case CEC_VERSION_1_3:
    return "1.3";
  case CEC_VERSION_1_3A:
    return "1.3a";
  case CEC_VERSION_1_4:
    return "1.4";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_power_status status)
{
  switch (status)
  {
  case CEC_POWER_STATUS_ON:
    return "on";
  case CEC_POWER_STATUS_STANDBY:
    return "standby";
  case CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY:
    return "in transition from on to standby";
  case CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON:
    return "in transition from standby to on";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_logical_address address)
{
  switch(address)
  {
  case CECDEVICE_AUDIOSYSTEM:
    return "Audio";
  case CECDEVICE_BROADCAST:
    return "Broadcast";
  case CECDEVICE_FREEUSE:
    return "Free use";
  case CECDEVICE_PLAYBACKDEVICE1:
    return "Playback 1";
  case CECDEVICE_PLAYBACKDEVICE2:
    return "Playback 2";
  case CECDEVICE_PLAYBACKDEVICE3:
    return "Playback 3";
  case CECDEVICE_RECORDINGDEVICE1:
    return "Recorder 1";
  case CECDEVICE_RECORDINGDEVICE2:
    return "Recorder 2";
  case CECDEVICE_RECORDINGDEVICE3:
    return "Recorder 3";
  case CECDEVICE_RESERVED1:
    return "Reserved 1";
  case CECDEVICE_RESERVED2:
    return "Reserved 2";
  case CECDEVICE_TUNER1:
    return "Tuner 1";
  case CECDEVICE_TUNER2:
    return "Tuner 2";
  case CECDEVICE_TUNER3:
    return "Tuner 3";
  case CECDEVICE_TUNER4:
    return "Tuner 4";
  case CECDEVICE_TV:
    return "TV";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_deck_control_mode mode)
{
  switch (mode)
  {
  case CEC_DECK_CONTROL_MODE_SKIP_FORWARD_WIND:
    return "skip forward wind";
  case CEC_DECK_CONTROL_MODE_EJECT:
    return "eject";
  case CEC_DECK_CONTROL_MODE_SKIP_REVERSE_REWIND:
    return "reverse rewind";
  case CEC_DECK_CONTROL_MODE_STOP:
    return "stop";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_deck_info status)
{
  switch (status)
  {
  case CEC_DECK_INFO_PLAY:
    return "play";
  case CEC_DECK_INFO_RECORD:
    return "record";
  case CEC_DECK_INFO_PLAY_REVERSE:
    return "play reverse";
  case CEC_DECK_INFO_STILL:
    return "still";
  case CEC_DECK_INFO_SLOW:
    return "slow";
  case CEC_DECK_INFO_SLOW_REVERSE:
    return "slow reverse";
  case CEC_DECK_INFO_FAST_FORWARD:
    return "fast forward";
  case CEC_DECK_INFO_FAST_REVERSE:
    return "fast reverse";
  case CEC_DECK_INFO_NO_MEDIA:
    return "no media";
  case CEC_DECK_INFO_STOP:
    return "stop";
  case CEC_DECK_INFO_SKIP_FORWARD_WIND:
    return "info skip forward wind";
  case CEC_DECK_INFO_SKIP_REVERSE_REWIND:
    return "info skip reverse rewind";
  case CEC_DECK_INFO_INDEX_SEARCH_FORWARD:
    return "info index search forward";
  case CEC_DECK_INFO_INDEX_SEARCH_REVERSE:
    return "info index search reverse";
  case CEC_DECK_INFO_OTHER_STATUS:
    return "other";
  case CEC_DECK_INFO_OTHER_STATUS_LG:
    return "LG other";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_opcode opcode)
{
  switch (opcode)
  {
  case CEC_OPCODE_ACTIVE_SOURCE:
    return "active source";
  case CEC_OPCODE_IMAGE_VIEW_ON:
    return "image view on";
  case CEC_OPCODE_TEXT_VIEW_ON:
    return "text view on";
  case CEC_OPCODE_INACTIVE_SOURCE:
    return "inactive source";
  case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
    return "request active source";
  case CEC_OPCODE_ROUTING_CHANGE:
    return "routing change";
  case CEC_OPCODE_ROUTING_INFORMATION:
    return "routing information";
  case CEC_OPCODE_SET_STREAM_PATH:
    return "set stream path";
  case CEC_OPCODE_STANDBY:
    return "standby";
  case CEC_OPCODE_RECORD_OFF:
    return "record off";
  case CEC_OPCODE_RECORD_ON:
    return "record on";
  case CEC_OPCODE_RECORD_STATUS:
    return "record status";
  case CEC_OPCODE_RECORD_TV_SCREEN:
    return "record tv screen";
  case CEC_OPCODE_CLEAR_ANALOGUE_TIMER:
    return "clear analogue timer";
  case CEC_OPCODE_CLEAR_DIGITAL_TIMER:
    return "clear digital timer";
  case CEC_OPCODE_CLEAR_EXTERNAL_TIMER:
    return "clear external timer";
  case CEC_OPCODE_SET_ANALOGUE_TIMER:
    return "set analogue timer";
  case CEC_OPCODE_SET_DIGITAL_TIMER:
    return "set digital timer";
  case CEC_OPCODE_SET_EXTERNAL_TIMER:
    return "set external timer";
  case CEC_OPCODE_SET_TIMER_PROGRAM_TITLE:
    return "set timer program title";
  case CEC_OPCODE_TIMER_CLEARED_STATUS:
    return "timer cleared status";
  case CEC_OPCODE_TIMER_STATUS:
    return "timer status";
  case CEC_OPCODE_CEC_VERSION:
    return "cec version";
  case CEC_OPCODE_GET_CEC_VERSION:
    return "get cec version";
  case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
    return "give physical address";
  case CEC_OPCODE_GET_MENU_LANGUAGE:
    return "get menu language";
  case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
    return "report physical address";
  case CEC_OPCODE_SET_MENU_LANGUAGE:
    return "set menu language";
  case CEC_OPCODE_DECK_CONTROL:
    return "deck control";
  case CEC_OPCODE_DECK_STATUS:
    return "deck status";
  case CEC_OPCODE_GIVE_DECK_STATUS:
    return "give deck status";
  case CEC_OPCODE_PLAY:
    return "play";
  case CEC_OPCODE_GIVE_TUNER_DEVICE_STATUS:
    return "give tuner status";
  case CEC_OPCODE_SELECT_ANALOGUE_SERVICE:
    return "select analogue service";
  case CEC_OPCODE_SELECT_DIGITAL_SERVICE:
    return "set digital service";
  case CEC_OPCODE_TUNER_DEVICE_STATUS:
    return "tuner device status";
  case CEC_OPCODE_TUNER_STEP_DECREMENT:
    return "tuner step decrement";
  case CEC_OPCODE_TUNER_STEP_INCREMENT:
    return "tuner step increment";
  case CEC_OPCODE_DEVICE_VENDOR_ID:
    return "device vendor id";
  case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
    return "give device vendor id";
  case CEC_OPCODE_VENDOR_COMMAND:
    return "vendor command";
  case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
    return "vendor command with id";
  case CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN:
    return "vendor remote button down";
  case CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP:
    return "vendor remote button up";
  case CEC_OPCODE_SET_OSD_STRING:
    return "set osd string";
  case CEC_OPCODE_GIVE_OSD_NAME:
    return "give osd name";
  case CEC_OPCODE_SET_OSD_NAME:
    return "set osd name";
  case CEC_OPCODE_MENU_REQUEST:
    return "menu request";
  case CEC_OPCODE_MENU_STATUS:
    return "menu status";
  case CEC_OPCODE_USER_CONTROL_PRESSED:
    return "user control pressed";
  case CEC_OPCODE_USER_CONTROL_RELEASE:
    return "user control release";
  case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
    return "give device power status";
  case CEC_OPCODE_REPORT_POWER_STATUS:
    return "report power status";
  case CEC_OPCODE_FEATURE_ABORT:
    return "feature abort";
  case CEC_OPCODE_ABORT:
    return "abort";
  case CEC_OPCODE_GIVE_AUDIO_STATUS:
    return "give audio status";
  case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
    return "give audio mode status";
  case CEC_OPCODE_REPORT_AUDIO_STATUS:
    return "report audio status";
  case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
    return "set system audio mode";
  case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
    return "system audio mode request";
  case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
    return "system audio mode status";
  case CEC_OPCODE_SET_AUDIO_RATE:
    return "set audio rate";
  case CEC_OPCODE_START_ARC:
    return "start ARC";
  case CEC_OPCODE_REPORT_ARC_STARTED:
    return "report ARC started";
  case CEC_OPCODE_REPORT_ARC_ENDED:
    return "report ARC ended";
  case CEC_OPCODE_REQUEST_ARC_START:
    return "request ARC start";
  case CEC_OPCODE_REQUEST_ARC_END:
    return "request ARC end";
  case CEC_OPCODE_END_ARC:
    return "end ARC";
  case CEC_OPCODE_CDC:
    return "CDC";
  case CEC_OPCODE_NONE:
    return "poll";
  default:
    return "UNKNOWN";
  }
}

const char *CLibCEC::ToString(const cec_system_audio_status mode)
{
  switch(mode)
  {
  case CEC_SYSTEM_AUDIO_STATUS_ON:
    return "on";
  case CEC_SYSTEM_AUDIO_STATUS_OFF:
    return "off";
  default:
    return "unknown";
  }
}

const char *CLibCEC::ToString(const cec_audio_status UNUSED(status))
{
  // TODO this is a mask
  return "TODO";
}

const char *CLibCEC::ToString(const cec_vendor_id vendor)
{
  switch (vendor)
  {
  case CEC_VENDOR_SAMSUNG:
    return "Samsung";
  case CEC_VENDOR_LG:
    return "LG";
  case CEC_VENDOR_PANASONIC:
    return "Panasonic";
  case CEC_VENDOR_PIONEER:
    return "Pioneer";
  case CEC_VENDOR_ONKYO:
    return "Onkyo";
  case CEC_VENDOR_YAMAHA:
    return "Yamaha";
  case CEC_VENDOR_PHILIPS:
    return "Philips";
  case CEC_VENDOR_SONY:
    return "Sony";
  case CEC_VENDOR_TOSHIBA:
    return "Toshiba";
  default:
    return "Unknown";
  }
}

const char *CLibCEC::ToString(const cec_client_version version)
{
  switch (version)
  {
  case CEC_CLIENT_VERSION_PRE_1_5:
    return "pre-1.5";
  case CEC_CLIENT_VERSION_1_5_0:
    return "1.5.0";
  case CEC_CLIENT_VERSION_1_5_1:
    return "1.5.1";
  case CEC_CLIENT_VERSION_1_5_2:
    return "1.5.2";
  case CEC_CLIENT_VERSION_1_5_3:
    return "1.5.3";
  case CEC_CLIENT_VERSION_1_6_0:
    return "1.6.0";
  case CEC_CLIENT_VERSION_1_6_1:
    return "1.6.1";
  case CEC_CLIENT_VERSION_1_6_2:
    return "1.6.2";
  default:
    return "Unknown";
  }
}

const char *CLibCEC::ToString(const cec_server_version version)
{
  switch (version)
  {
  case CEC_SERVER_VERSION_PRE_1_5:
    return "pre-1.5";
  case CEC_SERVER_VERSION_1_5_0:
    return "1.5.0";
  case CEC_SERVER_VERSION_1_5_1:
    return "1.5.1";
  case CEC_SERVER_VERSION_1_5_2:
    return "1.5.2";
  case CEC_SERVER_VERSION_1_5_3:
    return "1.5.3";
  case CEC_SERVER_VERSION_1_6_0:
    return "1.6.0";
  case CEC_SERVER_VERSION_1_6_1:
    return "1.6.1";
  case CEC_SERVER_VERSION_1_6_2:
    return "1.6.2";
  default:
    return "Unknown";
  }
}

void CLibCEC::CheckKeypressTimeout(void)
{
  // check all clients
  for (vector<CCECClient *>::iterator it = m_clients.begin(); it != m_clients.end(); it++)
    (*it)->CheckKeypressTimeout();
}

void CLibCEC::AddLog(const cec_log_level level, const char *strFormat, ...)
{
  CStdString strLog;

  va_list argList;
  va_start(argList, strFormat);
  strLog.FormatV(strFormat, argList);
  va_end(argList);

  cec_log_message message;
  message.level = level;
  message.time = GetTimeMs() - m_iStartTime;
  snprintf(message.message, sizeof(message.message), "%s", strLog.c_str());

  // send the message to all clients
  for (vector<CCECClient *>::iterator it = m_clients.begin(); it != m_clients.end(); it++)
    (*it)->AddLog(message);
}

void CLibCEC::Alert(const libcec_alert type, const libcec_parameter &param)
{
  // send the alert to all clients
  for (vector<CCECClient *>::iterator it = m_clients.begin(); it != m_clients.end(); it++)
    (*it)->Alert(type, param);
}

bool CLibCEC::SetActiveView(void)
{
  AddLog(CEC_LOG_WARNING, "deprecated method %s called", __FUNCTION__);
  return SetActiveSource();
}

bool CLibCEC::EnablePhysicalAddressDetection(void)
{
  AddLog(CEC_LOG_WARNING, "deprecated method %s called", __FUNCTION__);
  return true;
}

CCECClient *CLibCEC::RegisterClient(libcec_configuration *configuration)
{
  if (!m_cec)
    return NULL;

  CCECClient *newClient = new CCECClient(m_cec, configuration);
  if (!newClient)
    return NULL;

  m_clients.push_back(newClient);
  if (!m_client)
    m_client = newClient;

  if (m_cec->IsRunning())
    m_cec->RegisterClient(newClient);

  return m_client;
}

void CLibCEC::UnregisterClients(void)
{
  m_clients.clear();
  delete m_client;
  m_client = NULL;
}

void * CECInitialise(libcec_configuration *configuration)
{
  if (!configuration)
    return NULL;

  CLibCEC *lib = new CLibCEC;
  if (lib)
    lib->RegisterClient(configuration);

  return static_cast< void* > (lib);
}

void * CECInit(const char *strDeviceName, CEC::cec_device_type_list types, uint16_t iPhysicalAddress /* = 0 */)
{
  libcec_configuration configuration;
  configuration.serverVersion = LIBCEC_VERSION_CURRENT;

  // client version < 1.5.0
  snprintf(configuration.strDeviceName, 13, "%s", strDeviceName);
  configuration.deviceTypes      = types;
  configuration.iPhysicalAddress = iPhysicalAddress;

  if (configuration.deviceTypes.IsEmpty())
    configuration.deviceTypes.Add(CEC_DEVICE_TYPE_RECORDING_DEVICE);

  return CECInitialise(&configuration);
}

bool CECStartBootloader(void)
{
  bool bReturn(false);
  cec_adapter deviceList[1];
  if (CUSBCECAdapterDetection::FindAdapters(deviceList, 1) > 0)
  {
    CUSBCECAdapterCommunication comm(NULL, deviceList[0].comm);
    CTimeout timeout(CEC_DEFAULT_CONNECT_TIMEOUT);
    while (timeout.TimeLeft() > 0 && (bReturn = comm.Open(timeout.TimeLeft() / CEC_CONNECT_TRIES, true)) == false)
    {
      comm.Close();
      CEvent::Sleep(500);
    }
    if (comm.IsOpen())
      bReturn = comm.StartBootloader();
  }

  return bReturn;
}

void CECDestroy(CEC::ICECAdapter *instance)
{
  delete instance;
}

bool CLibCEC::GetDeviceInformation(const char *strPort, libcec_configuration *config, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */)
{
  if (m_cec->IsRunning())
    return false;

  return m_cec->GetDeviceInformation(strPort, config, iTimeoutMs);
}