X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2Fimplementations%2FCECCommandHandler.cpp;h=d0aa2b32937ef3d82785729ee87e4fcc2f33c32f;hb=14004a262acba6d284ce6489ef18468bdc1a6e5c;hp=7d568530209bdf0b1bfe9568596cbc32db98811e;hpb=cd02e9b2e9331d5d3b0f5988220a3c6a59c379f5;p=deb_libcec.git

diff --git a/src/lib/implementations/CECCommandHandler.cpp b/src/lib/implementations/CECCommandHandler.cpp
index 7d56853..ee602f1 100644
--- a/src/lib/implementations/CECCommandHandler.cpp
+++ b/src/lib/implementations/CECCommandHandler.cpp
@@ -1,7 +1,7 @@
 /*
  * This file is part of the libCEC(R) library.
  *
- * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
+ * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited.  All rights reserved.
  * libCEC(R) is an original work, containing original code.
  *
  * libCEC(R) is a trademark of Pulse-Eight Limited.
@@ -30,317 +30,505 @@
  *     http://www.pulse-eight.net/
  */
 
+#include "env.h"
 #include "CECCommandHandler.h"
-#include "../devices/CECBusDevice.h"
-#include "../devices/CECAudioSystem.h"
-#include "../devices/CECPlaybackDevice.h"
-#include "../CECProcessor.h"
+
+#include "lib/devices/CECBusDevice.h"
+#include "lib/devices/CECAudioSystem.h"
+#include "lib/devices/CECPlaybackDevice.h"
+#include "lib/CECClient.h"
+#include "lib/CECProcessor.h"
+#include "lib/LibCEC.h"
+#include "lib/CECTypeUtils.h"
+#include "lib/platform/util/util.h"
 
 using namespace CEC;
 using namespace std;
-
-CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice)
+using namespace PLATFORM;
+
+#define LIB_CEC     m_busDevice->GetProcessor()->GetLib()
+#define ToString(p) CCECTypeUtils::ToString(p)
+#define REQUEST_POWER_STATUS_TIMEOUT 5000
+
+CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice,
+                                       int32_t iTransmitTimeout /* = CEC_DEFAULT_TRANSMIT_TIMEOUT */,
+                                       int32_t iTransmitWait /* = CEC_DEFAULT_TRANSMIT_WAIT */,
+                                       int8_t iTransmitRetries /* = CEC_DEFAULT_TRANSMIT_RETRIES */,
+                                       int64_t iActiveSourcePending /* = 0 */) :
+    m_busDevice(busDevice),
+    m_processor(m_busDevice->GetProcessor()),
+    m_iTransmitTimeout(iTransmitTimeout),
+    m_iTransmitWait(iTransmitWait),
+    m_iTransmitRetries(iTransmitRetries),
+    m_bHandlerInited(false),
+    m_bOPTSendDeckStatusUpdateOnActiveSource(false),
+    m_vendorId(CEC_VENDOR_UNKNOWN),
+    m_iActiveSourcePending(iActiveSourcePending),
+    m_iPowerStatusRequested(0)
 {
-  m_busDevice = busDevice;
 }
 
 bool CCECCommandHandler::HandleCommand(const cec_command &command)
 {
-  bool bHandled(true);
+  if (command.opcode_set == 0)
+    return HandlePoll(command);
 
-  CStdString strLog;
-  strLog.Format(">> %s (%X) -> %s (%X): %s (%2X)", ToString(command.initiator), command.initiator, ToString(command.destination), command.destination, ToString(command.opcode), command.opcode);
-  m_busDevice->AddLog(CEC_LOG_NOTICE, strLog);
+  int iHandled(CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
 
-  if (m_busDevice->MyLogicalAddressContains(command.destination))
-  {
-    switch(command.opcode)
-    {
-    case CEC_OPCODE_REPORT_POWER_STATUS:
-      HandleReportPowerStatus(command);
-      break;
-    case CEC_OPCODE_CEC_VERSION:
-      HandleDeviceCecVersion(command);
-      break;
-    case CEC_OPCODE_SET_MENU_LANGUAGE:
-      HandleSetMenuLanguage(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      break;
-    case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
-      HandleGivePhysicalAddress(command);
-      break;
-    case CEC_OPCODE_GIVE_OSD_NAME:
-      HandleGiveOSDName(command);
-      break;
-    case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
-      HandleGiveDeviceVendorId(command);
-      break;
-    case CEC_OPCODE_DEVICE_VENDOR_ID:
-      HandleDeviceVendorId(command);
-      break;
-    case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
-      HandleDeviceVendorCommandWithId(command);
-      break;
-    case CEC_OPCODE_GIVE_DECK_STATUS:
-      HandleGiveDeckStatus(command);
-      break;
-    case CEC_OPCODE_DECK_CONTROL:
-      HandleDeckControl(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      break;
-    case CEC_OPCODE_MENU_REQUEST:
-      if (!HandleMenuRequest(command))
-      {
-        /* pass to listeners */
-        m_busDevice->GetProcessor()->AddCommand(command);
-      }
-      break;
-    case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
-      HandleGiveDevicePowerStatus(command);
-      break;
-    case CEC_OPCODE_GET_CEC_VERSION:
-      HandleGetCecVersion(command);
-      break;
-    case CEC_OPCODE_USER_CONTROL_PRESSED:
-      HandleUserControlPressed(command);
-      break;
-    case CEC_OPCODE_USER_CONTROL_RELEASE:
-      HandleUserControlRelease(command);
-      break;
-    case CEC_OPCODE_GIVE_AUDIO_STATUS:
-      HandleGiveAudioStatus(command);
-      break;
-    case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
-      HandleGiveSystemAudioModeStatus(command);
-      break;
-    case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
-      HandleSetSystemAudioModeRequest(command);
-      break;
-    default:
-      UnhandledCommand(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      bHandled = false;
-      break;
-    }
-  }
-  else if (command.destination == CECDEVICE_BROADCAST)
+  LIB_CEC->AddCommand(command);
+
+  switch(command.opcode)
   {
-    CStdString strLog;
-    switch (command.opcode)
-    {
-    case CEC_OPCODE_SET_MENU_LANGUAGE:
-      HandleSetMenuLanguage(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      break;
-    case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
-      HandleRequestActiveSource(command);
-      break;
-    case CEC_OPCODE_SET_STREAM_PATH:
-      HandleSetStreamPath(command);
-      break;
-    case CEC_OPCODE_ROUTING_CHANGE:
-      HandleRoutingChange(command);
-      break;
-    case CEC_OPCODE_DEVICE_VENDOR_ID:
-      HandleDeviceVendorId(command);
-      break;
-    case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
-      HandleDeviceVendorCommandWithId(command);
-     break;
-    case CEC_OPCODE_STANDBY:
-      HandleStandby(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-     break;
-    case CEC_OPCODE_ACTIVE_SOURCE:
-      HandleActiveSource(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      break;
-    default:
-      UnhandledCommand(command);
-      /* pass to listeners */
-      m_busDevice->GetProcessor()->AddCommand(command);
-      bHandled = false;
-      break;
-    }
+  case CEC_OPCODE_REPORT_POWER_STATUS:
+    iHandled = HandleReportPowerStatus(command);
+    break;
+  case CEC_OPCODE_CEC_VERSION:
+    iHandled = HandleDeviceCecVersion(command);
+    break;
+  case CEC_OPCODE_SET_MENU_LANGUAGE:
+    iHandled = HandleSetMenuLanguage(command);
+    break;
+  case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
+    iHandled = HandleGivePhysicalAddress(command);
+    break;
+  case CEC_OPCODE_GET_MENU_LANGUAGE:
+    iHandled = HandleGiveMenuLanguage(command);
+    break;
+  case CEC_OPCODE_GIVE_OSD_NAME:
+    iHandled = HandleGiveOSDName(command);
+    break;
+  case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
+    iHandled = HandleGiveDeviceVendorId(command);
+    break;
+  case CEC_OPCODE_DEVICE_VENDOR_ID:
+    iHandled = HandleDeviceVendorId(command);
+    break;
+  case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
+    iHandled = HandleDeviceVendorCommandWithId(command);
+    break;
+  case CEC_OPCODE_GIVE_DECK_STATUS:
+    iHandled = HandleGiveDeckStatus(command);
+    break;
+  case CEC_OPCODE_DECK_CONTROL:
+    iHandled = HandleDeckControl(command);
+    break;
+  case CEC_OPCODE_MENU_REQUEST:
+    iHandled = HandleMenuRequest(command);
+    break;
+  case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
+    iHandled = HandleGiveDevicePowerStatus(command);
+    break;
+  case CEC_OPCODE_GET_CEC_VERSION:
+    iHandled = HandleGetCecVersion(command);
+    break;
+  case CEC_OPCODE_USER_CONTROL_PRESSED:
+    iHandled = HandleUserControlPressed(command);
+    break;
+  case CEC_OPCODE_USER_CONTROL_RELEASE:
+    iHandled = HandleUserControlRelease(command);
+    break;
+  case CEC_OPCODE_GIVE_AUDIO_STATUS:
+    iHandled = HandleGiveAudioStatus(command);
+    break;
+  case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
+    iHandled = HandleGiveSystemAudioModeStatus(command);
+    break;
+  case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
+    iHandled = HandleSystemAudioModeRequest(command);
+    break;
+  case CEC_OPCODE_REPORT_AUDIO_STATUS:
+    iHandled = HandleReportAudioStatus(command);
+    break;
+  case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
+    iHandled = HandleSystemAudioModeStatus(command);
+    break;
+  case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
+    iHandled = HandleSetSystemAudioMode(command);
+    break;
+  case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
+    iHandled = HandleRequestActiveSource(command);
+    break;
+  case CEC_OPCODE_SET_STREAM_PATH:
+    iHandled = HandleSetStreamPath(command);
+    break;
+  case CEC_OPCODE_ROUTING_CHANGE:
+    iHandled = HandleRoutingChange(command);
+    break;
+  case CEC_OPCODE_ROUTING_INFORMATION:
+    iHandled = HandleRoutingInformation(command);
+    break;
+  case CEC_OPCODE_STANDBY:
+    iHandled = HandleStandby(command);
+    break;
+  case CEC_OPCODE_ACTIVE_SOURCE:
+    iHandled = HandleActiveSource(command);
+    break;
+  case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
+    iHandled = HandleReportPhysicalAddress(command);
+    break;
+  case CEC_OPCODE_SET_OSD_NAME:
+    iHandled = HandleSetOSDName(command);
+    break;
+  case CEC_OPCODE_IMAGE_VIEW_ON:
+    iHandled = HandleImageViewOn(command);
+    break;
+  case CEC_OPCODE_TEXT_VIEW_ON:
+    iHandled = HandleTextViewOn(command);
+    break;
+  case CEC_OPCODE_FEATURE_ABORT:
+    iHandled = HandleFeatureAbort(command);
+    break;
+  case CEC_OPCODE_VENDOR_COMMAND:
+    iHandled = HandleVendorCommand(command);
+    break;
+  case CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN:
+    iHandled = HandleVendorRemoteButtonDown(command);
+    break;
+  case CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP:
+    iHandled = HandleVendorRemoteButtonUp(command);
+    break;
+  case CEC_OPCODE_PLAY:
+    // libCEC (currently) doesn't need to do anything with this, since player applications handle it
+    // but it should not respond with a feature abort
+    iHandled = COMMAND_HANDLED;
+    break;
+  default:
+    break;
   }
+
+  if (iHandled == COMMAND_HANDLED)
+    m_busDevice->SignalOpcode((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
   else
-  {
-    CStdString strLog;
-    strLog.Format("ignoring frame: we're not at destination %x", command.destination);
-    m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
-    bHandled = false;
-  }
+    UnhandledCommand(command, (cec_abort_reason)iHandled);
 
-  return bHandled;
+  return iHandled == COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
+int CCECCommandHandler::HandleActiveSource(const cec_command &command)
 {
   if (command.parameters.size == 2)
   {
     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
-    return m_busDevice->GetProcessor()->SetStreamPath(iAddress);
+    CCECBusDevice *device = m_processor->GetDevice(command.initiator);
+    if (device)
+    {
+      device->SetPhysicalAddress(iAddress);
+      device->MarkAsActiveSource();
+    }
+
+    m_processor->GetDevices()->SignalAll(command.opcode);
+    return COMMAND_HANDLED;
   }
 
-  return true;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
+int CCECCommandHandler::HandleDeckControl(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
+  CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
+  if (device && command.parameters.size > 0)
   {
-    ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
-    return true;
+    device->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
+    return COMMAND_HANDLED;
   }
 
-  return false;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
+int CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
 {
   if (command.parameters.size == 1)
   {
     CCECBusDevice *device = GetDevice(command.initiator);
     if (device)
       device->SetCecVersion((cec_version) command.parameters[0]);
+
+    return COMMAND_HANDLED;
   }
 
-  return true;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
+int CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command & UNUSED(command))
 {
-  SetVendorId(command);
-  m_busDevice->GetProcessor()->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
-  return true;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
+int CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
 {
   SetVendorId(command);
-  return true;
+  return COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
+int CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device)
-    return device->TransmitCECVersion(command.initiator);
+  if (command.parameters.size == 2 &&
+        (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
+         command.parameters[1] == CEC_ABORT_REASON_REFUSED))
+    m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
+  return COMMAND_HANDLED;
+}
 
-  return false;
+int CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
+{
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitCECVersion(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
+
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 }
 
-bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
+int CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
-    return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
+    if (device && device->TransmitAudioStatus(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 }
 
-bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
+int CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
-    return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
+    if (device && device->TransmitDeckStatus(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 }
 
-bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
+int CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device)
-    return device->TransmitPowerState(command.initiator);
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitPowerState(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
+int CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device)
-    return device->TransmitVendorID(command.initiator);
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitVendorID(command.initiator, true, true))
+      return COMMAND_HANDLED;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
+int CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device)
-    return device->TransmitOSDName(command.initiator);
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitOSDName(command.initiator, true))
+      return COMMAND_HANDLED;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
+int CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device)
-    return device->TransmitPhysicalAddress();
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitPhysicalAddress(true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
 
-  return false;
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+}
+
+int CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
+{
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECBusDevice *device = GetDevice(command.destination);
+    if (device && device->TransmitSetMenuLanguage(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
+
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+}
+
+int CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
+{
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
+  {
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
+    if (device && device->TransmitSystemAudioModeStatus(command.initiator, true))
+      return COMMAND_HANDLED;
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+  }
+
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+}
+
+int CCECCommandHandler::HandleImageViewOn(const cec_command &command)
+{
+  CCECBusDevice *device = GetDevice(command.destination);
+  if (device && device->GetCurrentStatus() == CEC_DEVICE_STATUS_PRESENT)
+  {
+    if (device->GetCurrentPowerStatus() == CEC_POWER_STATUS_STANDBY ||
+        device->GetCurrentPowerStatus() == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY)
+      device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
+    CCECBusDevice* tv = GetDevice(CECDEVICE_TV);
+    if (tv)
+      tv->OnImageViewOnSent(false);
+  }
+  return COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
+int CCECCommandHandler::HandleMenuRequest(const cec_command &command)
 {
-  if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
   {
     CCECBusDevice *device = GetDevice(command.destination);
     if (device)
-      return device->TransmitMenuState(command.initiator);
+    {
+      CCECClient *client = device->GetClient();
+      if (client)
+      {
+        if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
+        {
+          if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
+            device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
+        }
+        else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
+        {
+          if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
+            device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
+        }
+      }
+      if (device->TransmitMenuState(command.initiator, true))
+        return COMMAND_HANDLED;
+    }
+    return CEC_ABORT_REASON_INVALID_OPERAND;
   }
-  return false;
+
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+}
+
+bool CCECCommandHandler::HandlePoll(const cec_command &command)
+{
+  m_busDevice->HandlePoll(command.destination);
+  return true;
+}
+
+int CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
+{
+  if (command.parameters.size == 1)
+  {
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
+    if (device)
+    {
+      device->SetAudioStatus(command.parameters[0]);
+      return COMMAND_HANDLED;
+    }
+  }
+  return CEC_ABORT_REASON_INVALID_OPERAND;
+}
+
+int CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
+{
+  if (command.parameters.size == 3)
+  {
+    uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
+    SetPhysicalAddress(command.initiator, iNewAddress);
+
+    if (command.initiator == CECDEVICE_TV)
+    {
+      CCECBusDevice* primary = m_processor->GetPrimaryDevice();
+      if (primary)
+        primary->TransmitPhysicalAddress(false);
+    }
+    return COMMAND_HANDLED;
+  }
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
+int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
 {
   if (command.parameters.size == 1)
   {
     CCECBusDevice *device = GetDevice(command.initiator);
     if (device)
+    {
       device->SetPowerStatus((cec_power_status) command.parameters[0]);
+      return COMMAND_HANDLED;
+    }
   }
-  return true;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
+int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
 {
-  CStdString strLog;
-  strLog.Format(">> %i requests active source", (uint8_t) command.initiator);
-  m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
+  if (m_processor->CECInitialised())
+  {
+    LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
+    m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
 
-  vector<CCECBusDevice *> devices;
-  for (int iDevicePtr = (int)GetMyDevices(devices)-1; iDevicePtr >=0; iDevicePtr--)
-    devices[iDevicePtr]->TransmitActiveSource();
+    vector<CCECBusDevice *> devices;
+    for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
+      devices[iDevicePtr]->TransmitActiveSource(true);
+  }
 
-  return true;
+  return COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
+int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
 {
   if (command.parameters.size == 4)
   {
-    uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
-    uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
+    CCECBusDevice *device = GetDevice(command.initiator);
+    if (device)
+    {
+      uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
+      device->SetActiveRoute(iNewAddress);
+      return COMMAND_HANDLED;
+    }
+  }
+
+  return CEC_ABORT_REASON_INVALID_OPERAND;
+}
 
+int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
+{
+  if (command.parameters.size == 2)
+  {
     CCECBusDevice *device = GetDevice(command.initiator);
     if (device)
-      device->SetStreamPath(iNewAddress, iOldAddress);
+    {
+      uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
+      device->SetActiveRoute(iNewAddress);
+      return COMMAND_HANDLED;
+    }
   }
-  return true;
+
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
+int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
 {
   if (command.parameters.size == 3)
   {
@@ -353,107 +541,236 @@ bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
         language.language[iPtr] = command.parameters[iPtr];
       language.language[3] = 0;
       device->SetMenuLanguage(language);
+      return COMMAND_HANDLED;
     }
   }
-  return true;
+
+  return CEC_ABORT_REASON_INVALID_OPERAND;
+}
+
+int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
+{
+  if (command.parameters.size > 0)
+  {
+    CCECBusDevice *device = GetDevice(command.initiator);
+    if (device)
+    {
+      char buf[1024];
+      for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
+        buf[iPtr] = (char)command.parameters[iPtr];
+      buf[command.parameters.size] = 0;
+
+      CStdString strName(buf);
+      device->SetOSDName(strName);
+
+      return COMMAND_HANDLED;
+    }
+  }
+
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
+int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
 {
+  if (!m_processor->CECInitialised())
+    return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+
   if (command.parameters.size >= 2)
   {
     uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
-    CStdString strLog;
-    strLog.Format(">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
-    m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
+    LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
 
-    if (m_busDevice->GetProcessor()->SetStreamPath(iStreamAddress))
+    /* one of the device handled by libCEC has been made active */
+    CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
+    if (device)
     {
-      CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
-      if (device)
+      if (device->IsHandledByLibCEC() && !device->IsActiveSource())
+        device->ActivateSource();
+      else
       {
-        return device->TransmitActiveSource() &&
-            device->TransmitMenuState(command.initiator);
+        device->MarkAsActiveSource();
+        device->TransmitActiveSource(true);
       }
+      return COMMAND_HANDLED;
     }
-    return false;
   }
-  return true;
+
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleSetSystemAudioModeRequest(const cec_command &command)
+int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
 {
-  if (command.parameters.size >= 1)
+  if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
   {
-    CCECBusDevice *device = GetDevice(command.destination);
-    if (device&& device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
-      return ((CCECAudioSystem *) device)->SetSystemAudioMode(command);
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
+    if (device)
+    {
+      if (command.parameters.size >= 2)
+      {
+        device->SetPowerStatus(CEC_POWER_STATUS_ON);
+        device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
+        uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
+        CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
+        if (newActiveDevice)
+          newActiveDevice->MarkAsActiveSource();
+        if (device->TransmitSetSystemAudioMode(command.initiator, true))
+          return COMMAND_HANDLED;
+      }
+      else
+      {
+        device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
+        if (device->TransmitSetSystemAudioMode(command.initiator, true))
+          return COMMAND_HANDLED;
+      }
+    }
   }
-  return true;
+
+  return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 }
 
-bool CCECCommandHandler::HandleStandby(const cec_command &command)
+int CCECCommandHandler::HandleStandby(const cec_command &command)
 {
   CCECBusDevice *device = GetDevice(command.initiator);
   if (device)
     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
-  return true;
+
+  return COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
+int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
 {
-  CCECBusDevice *device = GetDevice(command.destination);
-  if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
-    return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
+  if (command.parameters.size == 1)
+  {
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
+    if (device)
+    {
+      device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
+      return COMMAND_HANDLED;
+    }
+  }
 
-  return false;
+  return CEC_ABORT_REASON_INVALID_OPERAND;
 }
 
-bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
+int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
 {
-  if (command.parameters.size > 0)
+  if (command.parameters.size == 1)
   {
-    m_busDevice->GetProcessor()->AddKey();
-
-    if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
+    CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
+    if (device)
     {
-      CStdString strLog;
-      strLog.Format("key pressed: %x", command.parameters[0]);
-      m_busDevice->AddLog(CEC_LOG_DEBUG, strLog.c_str());
+      device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
+      return COMMAND_HANDLED;
+    }
+  }
 
-      if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
-          command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
-      {
-        CCECBusDevice *device = GetDevice(command.destination);
-        if (device)
-          device->SetPowerStatus(CEC_POWER_STATUS_ON);
-      }
+  return CEC_ABORT_REASON_INVALID_OPERAND;
+}
+
+int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
+{
+  m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
+  return COMMAND_HANDLED;
+}
 
-      m_busDevice->GetProcessor()->SetCurrentButton((cec_user_control_code) command.parameters[0]);
+int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
+{
+  if (!m_processor->CECInitialised() ||
+      !m_processor->IsHandledByLibCEC(command.destination))
+    return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+
+  if (command.parameters.size == 0)
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+
+  CCECBusDevice *device = GetDevice(command.destination);
+  if (!device)
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+
+  CCECClient *client = device->GetClient();
+  if (client)
+    client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
+
+  if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
+      command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION||
+      command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
+  {
+    bool bPowerOn(true);
+
+    // CEC_USER_CONTROL_CODE_POWER and CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION operate as a toggle
+    // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
+    if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
+        command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_TOGGLE_FUNCTION)
+    {
+      cec_power_status status = device->GetCurrentPowerStatus();
+      bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
+    }
+
+    if (bPowerOn)
+    {
+      device->ActivateSource();
+    }
+    else
+    {
+      device->MarkAsInactiveSource();
+      device->TransmitInactiveSource();
+      device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
     }
   }
-  return true;
+  else if (command.parameters[0] != CEC_USER_CONTROL_CODE_POWER_OFF_FUNCTION)
+  {
+    // we're not marked as active source, but the tv sends keypresses to us, so assume it forgot to activate us
+    if (!device->IsActiveSource() && command.initiator == CECDEVICE_TV)
+      device->MarkAsActiveSource();
+  }
+
+  return COMMAND_HANDLED;
 }
 
-bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
+int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
 {
-  m_busDevice->GetProcessor()->AddKey();
-  return true;
+  if (!m_processor->CECInitialised() ||
+      !m_processor->IsHandledByLibCEC(command.destination))
+    return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
+
+  CCECClient *client = m_processor->GetClient(command.destination);
+  if (client)
+    client->AddKey();
+
+  return COMMAND_HANDLED;
 }
 
-void CCECCommandHandler::UnhandledCommand(const cec_command &command)
+int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
 {
-  CStdString strLog;
-  strLog.Format("unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
-  m_busDevice->AddLog(CEC_LOG_DEBUG, strLog);
+  return CEC_ABORT_REASON_INVALID_OPERAND;
+}
+
+int CCECCommandHandler::HandleVendorRemoteButtonDown(const cec_command& command)
+{
+  if (command.parameters.size == 0)
+    return CEC_ABORT_REASON_INVALID_OPERAND;
+
+  LIB_CEC->AddLog(CEC_LOG_NOTICE, "unhandled vendor remote button received with keycode %x", command.parameters[0]);
+  return COMMAND_HANDLED;
+}
+
+void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
+{
+  if (m_processor->IsHandledByLibCEC(command.destination))
+  {
+    LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
+    m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
+
+    if (reason == CEC_ABORT_REASON_INVALID_OPERAND)
+      RequestEmailFromCustomer(command);
+  }
 }
 
-unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
+size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
 {
-  unsigned int iReturn(0);
+  size_t iReturn(0);
 
-  cec_logical_addresses addresses = m_busDevice->GetProcessor()->GetLogicalAddresses();
-  for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
+  cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
+  for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
   {
     if (addresses[iPtr])
     {
@@ -467,30 +784,21 @@ unsigned int CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices)
 
 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
 {
-  CCECBusDevice *device = NULL;
-
-  if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
-    device = m_busDevice->GetProcessor()->m_busDevices[iLogicalAddress];
-
-  return device;
+  return m_processor->GetDevice(iLogicalAddress);
 }
 
 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 {
-  return m_busDevice->GetProcessor()->GetDeviceByPhysicalAddress(iPhysicalAddress);
-}
-
-CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
-{
-  return m_busDevice->GetProcessor()->GetDeviceByType(type);
+  return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
 }
 
-void CCECCommandHandler::SetVendorId(const cec_command &command)
+bool CCECCommandHandler::SetVendorId(const cec_command &command)
 {
+  bool bChanged(false);
   if (command.parameters.size < 3)
   {
-    m_busDevice->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
-    return;
+    LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
+    return bChanged;
   }
 
   uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
@@ -499,322 +807,503 @@ void CCECCommandHandler::SetVendorId(const cec_command &command)
 
   CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
   if (device)
-    device->SetVendorId(iVendorId);
+    bChanged = device->SetVendorId(iVendorId);
+  return bChanged;
 }
 
-const char *CCECCommandHandler::ToString(const cec_menu_state state)
+void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
 {
-  switch (state)
+  if (!m_processor->IsHandledByLibCEC(iAddress))
   {
-  case CEC_MENU_STATE_ACTIVATED:
-    return "activated";
-  case CEC_MENU_STATE_DEACTIVATED:
-    return "deactivated";
-  default:
-    return "unknown";
+    CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
+    CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
+
+    CCECBusDevice *device = m_processor->GetDevice(iAddress);
+    if (device)
+      device->SetPhysicalAddress(iNewAddress);
+    else
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
+
+    /* another device reported the same physical address as ours */
+    if (client)
+    {
+      libcec_parameter param;
+      param.paramType = CEC_PARAMETER_TYPE_STRING;
+      param.paramData = (void*)"Physical address in use by another device. Please verify your settings";
+      client->Alert(CEC_ALERT_PHYSICAL_ADDRESS_ERROR, param);
+      client->ResetPhysicalAddress();
+    }
+  }
+  else
+  {
+    LIB_CEC->AddLog(CEC_LOG_DEBUG, "ignore physical address report for device %s (%X) because it's marked as handled by libCEC", ToString(iAddress), iAddress);
   }
 }
 
-const char *CCECCommandHandler::ToString(const cec_version version)
+bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 {
-  switch (version)
+  if (iDestination == CECDEVICE_TV)
+    return TransmitImageViewOn(iInitiator, iDestination);
+
+  return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
+    TransmitKeyRelease(iInitiator, iDestination);
+}
+
+bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
+
+  if (Transmit(command, false, false))
   {
-  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";
+    CCECBusDevice* dest = m_processor->GetDevice(iDestination);
+    if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
+      dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
+    return true;
   }
+  return false;
+}
+
+bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
+
+  return Transmit(command, false, false);
+}
+
+bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_AUDIO_STATUS);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
+
+  return Transmit(command, !bWaitForResponse, false);
 }
 
-const char *CCECCommandHandler::ToString(const cec_power_status status)
+bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bUpdate, bool bWaitForResponse /* = true */)
 {
-  switch (status)
+  if (iDestination == CECDEVICE_TV)
   {
-  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 *CCECCommandHandler::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";
+    int64_t now(GetTimeMs());
+    if (!bUpdate && now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
+      return true;
+    m_iPowerStatusRequested = now;
   }
+
+  LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
+
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
+
+  return Transmit(command, !bWaitForResponse, false);
+}
+
+bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
+  command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
+  command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
+  command.parameters.PushBack((uint8_t)cecVersion);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
+  command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
+  command.parameters.PushBack(iPhysicalAddress & 0xFF);
+
+  return Transmit(command, false, false);
+}
+
+bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
+  command.parameters.PushBack((uint8_t)menuState);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
+  for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
+    command.parameters.PushBack(strDeviceName.at(iPtr));
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
+  command.parameters.PushBack((uint8_t)duration);
+
+  size_t iLen = strlen(strMessage);
+  if (iLen > 13) iLen = 13;
+
+  for (size_t iPtr = 0; iPtr < iLen; iPtr++)
+    command.parameters.PushBack(strMessage[iPtr]);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
+  command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
+  command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
+  command.parameters.PushBack((uint8_t) (type));
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[4], bool bIsReply)
+{
+  cec_command command;
+  command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
+  command.parameters.PushBack((uint8_t) lang[0]);
+  command.parameters.PushBack((uint8_t) lang[1]);
+  command.parameters.PushBack((uint8_t) lang[2]);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
+  command.parameters.PushBack((uint8_t) state);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, const cec_logical_address UNUSED(iDestination), uint64_t iVendorId, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
+
+  command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
+  command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
+  command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
+  command.parameters.PushBack(state);
+
+  return Transmit(command, false, bIsReply);
 }
 
-const char *CCECCommandHandler::ToString(const cec_deck_control_mode mode)
+bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
 {
-  switch (mode)
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
+  command.parameters.PushBack((uint8_t)state);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
+{
+  if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
   {
-  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 *CCECCommandHandler::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";
-  default:
-    return "unknown";
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
+    return false;
   }
+  cec_command command;
+  cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
+  command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
+  command.parameters.PushBack((uint8_t) (iStreamPath        & 0xFF));
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
+  command.parameters.PushBack((uint8_t)state);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
+  command.PushBack((uint8_t)state);
+
+  return Transmit(command, false, bIsReply);
+}
+
+bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
+  command.parameters.PushBack((uint8_t)key);
+
+  return Transmit(command, !bWait, false);
+}
+
+bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
+{
+  cec_command command;
+  cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
+
+  return Transmit(command, !bWait, false);
 }
 
-const char *CCECCommandHandler::ToString(const cec_opcode opcode)
+bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
 {
-  switch (opcode)
+  bool bReturn(false);
+  cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
+  bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
+  command.transmit_timeout = m_iTransmitTimeout;
+
+  if (command.initiator == CECDEVICE_UNKNOWN)
   {
-  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";
-  default:
-    return "UNKNOWN";
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
+    return bReturn;
+  }
+
+  // check whether the destination is not marked as not present or handled by libCEC
+  if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
+  {
+    CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
+    cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
+    if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
+    {
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
+      return bReturn;
+    }
+    else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
+    {
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
+      return bReturn;
+    }
+    else if (destinationDevice->IsUnsupportedFeature(command.opcode))
+    {
+      return true;
+    }
   }
+
+  {
+    uint8_t iTries(0), iMaxTries(m_iTransmitRetries + 1);
+    while (!bReturn && ++iTries <= iMaxTries)
+    {
+      if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
+      {
+#ifdef CEC_DEBUGGING
+        LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
+#endif
+        if (bExpectResponse)
+        {
+          bReturn = m_busDevice->WaitForOpcode(expectedResponse);
+          LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
+        }
+      }
+    }
+  }
+
+  return bReturn;
 }
 
-const char *CCECCommandHandler::ToString(const cec_system_audio_status mode)
+bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
 {
-  switch(mode)
+  if (m_busDevice->IsActiveSource() &&
+      m_busDevice->IsHandledByLibCEC())
   {
-  case CEC_SYSTEM_AUDIO_STATUS_ON:
-    return "on";
-  case CEC_SYSTEM_AUDIO_STATUS_OFF:
-    return "off";
-  default:
-    return "unknown";
+    {
+      CLockObject lock(m_mutex);
+      // check if we need to send a delayed source switch
+      if (bTransmitDelayedCommandsOnly)
+      {
+        if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
+          return false;
+
+#ifdef CEC_DEBUGGING
+        LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
+#endif
+      }
+    }
+
+    // update the power state and menu state
+    if (!bTransmitDelayedCommandsOnly)
+    {
+      m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
+      m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
+    }
+
+    // vendor specific hook
+    VendorPreActivateSourceHook();
+
+    // power on the TV
+    CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
+    bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
+    bool bActiveSourceFailed(false);
+    if (bTvPresent)
+      bActiveSourceFailed = !tv->PowerOn(m_busDevice->GetLogicalAddress());
+    else
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
+
+    // check if we're allowed to switch sources
+    bool bSourceSwitchAllowed = SourceSwitchAllowed();
+    if (!bSourceSwitchAllowed)
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
+
+    // switch sources (if allowed)
+    if (!bActiveSourceFailed && bSourceSwitchAllowed)
+    {
+      bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
+      if (bTvPresent && !bActiveSourceFailed)
+        bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
+
+      // update the deck status for playback devices
+      if (bTvPresent && !bActiveSourceFailed)
+      {
+        CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
+        if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
+          bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
+      }
+
+      // update system audio mode for audiosystem devices
+      if (bTvPresent && !bActiveSourceFailed)
+      {
+        CCECAudioSystem* audioDevice = m_busDevice->AsAudioSystem();
+        if (audioDevice)
+          bActiveSourceFailed = !audioDevice->TransmitSetSystemAudioMode(CECDEVICE_TV, false);
+      }
+    }
+
+    // retry later
+    if (bActiveSourceFailed || !bSourceSwitchAllowed)
+    {
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
+      int64_t now(GetTimeMs());
+      CLockObject lock(m_mutex);
+      if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
+        m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
+      return false;
+    }
+    else
+    {
+      CLockObject lock(m_mutex);
+      // clear previous pending active source command
+      m_iActiveSourcePending = 0;
+    }
+
+    // mark the handler as initialised
+    CLockObject lock(m_mutex);
+    m_bHandlerInited = true;
   }
+  return true;
 }
 
-const char *CCECCommandHandler::ToString(const cec_audio_status status)
+void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
 {
-  // TODO this is a mask
-  return "TODO";
+  CLockObject lock(m_mutex);
+  m_iActiveSourcePending = GetTimeMs() + iDelay;
 }
 
-const char *CCECCommandHandler::ToString(const cec_vendor_id vendor)
+void CCECCommandHandler::RequestEmailFromCustomer(const cec_command& command)
 {
-  switch (vendor)
+  bool bInserted(false);
+  map<cec_opcode, vector<cec_command> >::iterator it = m_logsRequested.find(command.opcode);
+  if (it != m_logsRequested.end())
   {
-  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";
-  default:
-    return "Unknown";
+    for (vector<cec_command>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); it2++)
+    {
+      // we already logged this one
+      if ((*it2).parameters == command.parameters)
+        return;
+    }
+
+    it->second.push_back(command);
+    bInserted = true;
   }
+
+  if (!bInserted)
+  {
+    vector<cec_command> commands;
+    commands.push_back(command);
+    m_logsRequested.insert(make_pair(command.opcode, commands));
+  }
+
+  LIB_CEC->AddLog(CEC_LOG_NOTICE, "Unmapped code detected. Please send an email to support@pulse-eight.com with the following details, and if you pressed a key, tell us which one you pressed, and we'll add support for this it.\nCEC command: %s\nVendor ID: %s (%06x)", ToString(command).c_str(), ToString(m_vendorId), m_vendorId);
 }
+