X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2Fdevices%2FCECBusDevice.cpp;h=8f02ac7e28bf9ad725cf5179a4ef43ec447e271e;hb=55c75e6e4bd3d1c44907b59768b891227bd8ab5a;hp=b6ca75ca1835bf330ccb371e0aa74d4705376626;hpb=c6d7f0e195896c6ae7140c88dd03b3eaa6967105;p=deb_libcec.git

diff --git a/src/lib/devices/CECBusDevice.cpp b/src/lib/devices/CECBusDevice.cpp
index b6ca75c..8f02ac7 100644
--- a/src/lib/devices/CECBusDevice.cpp
+++ b/src/lib/devices/CECBusDevice.cpp
@@ -45,22 +45,23 @@ using namespace PLATFORM;
 #define ToString(p) m_processor->ToString(p)
 
 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
-  m_type(CEC_DEVICE_TYPE_RESERVED),
-  m_iPhysicalAddress(iPhysicalAddress),
-  m_iStreamPath(0),
-  m_iLogicalAddress(iLogicalAddress),
-  m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
-  m_processor(processor),
-  m_vendor(CEC_VENDOR_UNKNOWN),
-  m_bReplaceHandler(false),
-  m_menuState(CEC_MENU_STATE_ACTIVATED),
-  m_bActiveSource(false),
-  m_iLastActive(0),
-  m_iLastPowerStateUpdate(0),
-  m_cecVersion(CEC_VERSION_UNKNOWN),
-  m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
-  m_iHandlerUseCount(0),
-  m_bAwaitingReceiveFailed(false)
+  m_type                  (CEC_DEVICE_TYPE_RESERVED),
+  m_iPhysicalAddress      (iPhysicalAddress),
+  m_iStreamPath           (CEC_INVALID_PHYSICAL_ADDRESS),
+  m_iLogicalAddress       (iLogicalAddress),
+  m_powerStatus           (CEC_POWER_STATUS_UNKNOWN),
+  m_processor             (processor),
+  m_vendor                (CEC_VENDOR_UNKNOWN),
+  m_bReplaceHandler       (false),
+  m_menuState             (CEC_MENU_STATE_ACTIVATED),
+  m_bActiveSource         (false),
+  m_iLastActive           (0),
+  m_iLastPowerStateUpdate (0),
+  m_cecVersion            (CEC_VERSION_UNKNOWN),
+  m_deviceStatus          (CEC_DEVICE_STATUS_UNKNOWN),
+  m_iHandlerUseCount      (0),
+  m_bAwaitingReceiveFailed(false),
+  m_bVendorIdRequested    (false)
 {
   m_handler = new CCECCommandHandler(this);
 
@@ -86,7 +87,8 @@ bool CCECBusDevice::HandleCommand(const cec_command &command)
     CLockObject lock(m_mutex);
     m_iLastActive = GetTimeMs();
 
-    if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
+    /* don't call GetStatus() here, just read the value with the mutex locked */
+    if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC && command.opcode_set == 1)
       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 
     MarkBusy();
@@ -114,29 +116,23 @@ bool CCECBusDevice::HandleCommand(const cec_command &command)
 bool CCECBusDevice::PowerOn(void)
 {
   bool bReturn(false);
-  GetVendorId(); // ensure that we got the vendor id
+  GetVendorId(); // ensure that we got the vendor id, because the implementations vary per vendor
 
   MarkBusy();
-  CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-  if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
+  cec_power_status currentStatus = GetPowerStatus(false);
+  if (currentStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
+    currentStatus != CEC_POWER_STATUS_ON)
   {
+    CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
+    if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
     {
-//      CLockObject lock(m_mutex);
-//      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
       SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
+      bReturn = true;
     }
-//    cec_power_status status = GetPowerStatus();
-//    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
-//    {
-//      /* sending the normal power on command appears to have failed */
-//      CStdString strLog;
-//      strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-//      CLibCEC::AddLog(CEC_LOG_DEBUG, strLog.c_str());
-//
-//      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
-//      return TransmitKeyRelease();
-//    }
-    bReturn = true;
+  }
+  else
+  {
+    CLibCEC::AddLog(CEC_LOG_NOTICE, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
   }
 
   MarkReady();
@@ -156,30 +152,50 @@ bool CCECBusDevice::Standby(void)
 //@{
 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 {
+  bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
   bool bRequestUpdate(false);
   {
     CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
+    bRequestUpdate = bIsPresent &&
+        (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
   }
 
   if (bRequestUpdate)
+  {
+    CheckVendorIdRequested();
     RequestCecVersion();
+  }
 
   CLockObject lock(m_mutex);
   return m_cecVersion;
 }
 
-bool CCECBusDevice::RequestCecVersion(void)
+bool CCECBusDevice::RequestActiveSource(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
-  if (!MyLogicalAddressContains(m_iLogicalAddress))
+  if (MyLogicalAddressContains(m_iLogicalAddress))
+  {
+    MarkBusy();
+    CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting active source");
+
+    bReturn = m_handler->TransmitRequestActiveSource(GetMyLogicalAddress(), bWaitForResponse);
+    MarkReady();
+  }
+  return bReturn;
+}
+
+bool CCECBusDevice::RequestCecVersion(bool bWaitForResponse /* = true */)
+{
+  bool bReturn(false);
+
+  if (!MyLogicalAddressContains(m_iLogicalAddress) &&
+      !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 
-    bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
   }
   return bReturn;
@@ -192,21 +208,25 @@ const char* CCECBusDevice::GetLogicalAddressName(void) const
 
 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 {
+  bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
   bool bRequestUpdate(false);
   {
     CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+    bRequestUpdate = (bIsPresent &&
         (bUpdate || !strcmp(m_menuLanguage.language, "???")));
   }
 
   if (bRequestUpdate)
+  {
+    CheckVendorIdRequested();
     RequestMenuLanguage();
+  }
 
   CLockObject lock(m_mutex);
   return m_menuLanguage;
 }
 
-bool CCECBusDevice::RequestMenuLanguage(void)
+bool CCECBusDevice::RequestMenuLanguage(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
@@ -215,7 +235,7 @@ bool CCECBusDevice::RequestMenuLanguage(void)
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-    bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
   }
   return bReturn;
@@ -239,22 +259,26 @@ uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 
 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 {
+  bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
   bool bRequestUpdate(false);
   {
     CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+    bRequestUpdate = bIsPresent &&
         (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
-        m_type != CEC_DEVICE_TYPE_TV);
+        m_type != CEC_DEVICE_TYPE_TV;
   }
 
   if (bRequestUpdate)
+  {
+    CheckVendorIdRequested();
     RequestOSDName();
+  }
 
   CLockObject lock(m_mutex);
   return m_strDeviceName;
 }
 
-bool CCECBusDevice::RequestOSDName(void)
+bool CCECBusDevice::RequestOSDName(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
@@ -263,29 +287,36 @@ bool CCECBusDevice::RequestOSDName(void)
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-    bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
   }
   return bReturn;
 }
 
-uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
+uint16_t CCECBusDevice::GetPhysicalAddress(bool bSuppressUpdate /* = true */)
 {
-  bool bRequestUpdate(false);
+  if (!bSuppressUpdate)
   {
-    CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-        (m_iPhysicalAddress == 0xFFFF || bUpdate));
-  }
+    bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
+    bool bRequestUpdate(false);
+    {
+      CLockObject lock(m_mutex);
+      bRequestUpdate = bIsPresent && m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS;
+    }
 
-  if (bRequestUpdate && !RequestPhysicalAddress())
-    CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
+    if (bRequestUpdate)
+    {
+      CheckVendorIdRequested();
+      if (!RequestPhysicalAddress())
+        CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
+    }
+  }
 
   CLockObject lock(m_mutex);
   return m_iPhysicalAddress;
 }
 
-bool CCECBusDevice::RequestPhysicalAddress(void)
+bool CCECBusDevice::RequestPhysicalAddress(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
@@ -293,7 +324,7 @@ bool CCECBusDevice::RequestPhysicalAddress(void)
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-    bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
   }
   return bReturn;
@@ -301,10 +332,11 @@ bool CCECBusDevice::RequestPhysicalAddress(void)
 
 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 {
+  bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
   bool bRequestUpdate(false);
   {
     CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+    bRequestUpdate = (bIsPresent &&
         (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
             m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
@@ -312,13 +344,16 @@ cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
   }
 
   if (bRequestUpdate)
+  {
+    CheckVendorIdRequested();
     RequestPowerStatus();
+  }
 
   CLockObject lock(m_mutex);
   return m_powerStatus;
 }
 
-bool CCECBusDevice::RequestPowerStatus(void)
+bool CCECBusDevice::RequestPowerStatus(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
@@ -327,7 +362,7 @@ bool CCECBusDevice::RequestPowerStatus(void)
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-    bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
   }
   return bReturn;
@@ -335,10 +370,11 @@ bool CCECBusDevice::RequestPowerStatus(void)
 
 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 {
+  bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
   bool bRequestUpdate(false);
   {
     CLockObject lock(m_mutex);
-    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+    bRequestUpdate = (bIsPresent &&
         (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
   }
 
@@ -349,18 +385,19 @@ cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
   return m_vendor;
 }
 
-bool CCECBusDevice::RequestVendorId(void)
+bool CCECBusDevice::RequestVendorId(bool bWaitForResponse /* = true */)
 {
   bool bReturn(false);
 
-  if (!MyLogicalAddressContains(m_iLogicalAddress))
+  if (!MyLogicalAddressContains(m_iLogicalAddress) && GetMyLogicalAddress() != CECDEVICE_UNKNOWN)
   {
     MarkBusy();
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
-    bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
+    bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress, bWaitForResponse);
     MarkReady();
 
-    ReplaceHandler(true);
+    if (bWaitForResponse)
+      ReplaceHandler(true);
   }
   return bReturn;
 }
@@ -436,22 +473,29 @@ bool CCECBusDevice::NeedsPoll(void)
   return bSendPoll;
 }
 
-cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
+cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */, bool bSuppressPoll /* = false */)
 {
-  CLockObject lock(m_mutex);
-  if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
-      (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
+  cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
+  bool bNeedsPoll(false);
+
+  {
+    CLockObject lock(m_mutex);
+    status = m_deviceStatus;
+    bNeedsPoll = !bSuppressPoll &&
+        (bForcePoll || m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN);
+  }
+
+  if (bNeedsPoll)
   {
-    lock.Unlock();
     bool bPollAcked(false);
-    if (bForcePoll || NeedsPoll())
+    if (bNeedsPoll && NeedsPoll())
       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 
-    lock.Lock();
-    m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
+    status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
+    SetDeviceStatus(status);
   }
 
-  return m_deviceStatus;
+  return status;
 }
 
 //@}
@@ -460,14 +504,16 @@ cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 //@{
 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 {
+  if (m_cecVersion != newVersion)
+    CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
   m_cecVersion = newVersion;
-  CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 }
 
 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 {
   CLockObject lock(m_mutex);
-  if (language.device == m_iLogicalAddress)
+  if (language.device == m_iLogicalAddress &&
+      strcmp(language.language, m_menuLanguage.language))
   {
     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
     m_menuLanguage = language;
@@ -498,11 +544,10 @@ void CCECBusDevice::SetInactiveSource(void)
 {
   {
     CLockObject lock(m_mutex);
+    if (m_bActiveSource)
+      CLibCEC::AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
     m_bActiveSource = false;
   }
-
-  if (MyLogicalAddressContains(m_iLogicalAddress))
-    SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 }
 
 void CCECBusDevice::SetActiveSource(void)
@@ -510,6 +555,8 @@ void CCECBusDevice::SetActiveSource(void)
   CLockObject lock(m_mutex);
   if (!m_bActiveSource)
     CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
+  else
+    CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%x) was already marked as active source", GetLogicalAddressName(), m_iLogicalAddress);
 
   for (int iPtr = 0; iPtr < 16; iPtr++)
     if (iPtr != m_iLogicalAddress)
@@ -537,36 +584,62 @@ bool CCECBusDevice::TryLogicalAddress(void)
   return false;
 }
 
-void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
+void CCECBusDevice::ResetDeviceStatus(void)
 {
   CLockObject lock(m_mutex);
-  switch (newStatus)
-  {
-  case CEC_DEVICE_STATUS_UNKNOWN:
-    m_iStreamPath      = 0;
-    m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
-    m_vendor           = CEC_VENDOR_UNKNOWN;
-    m_menuState        = CEC_MENU_STATE_ACTIVATED;
-    m_bActiveSource    = false;
-    m_iLastActive      = 0;
-    m_cecVersion       = CEC_VERSION_UNKNOWN;
-    m_deviceStatus     = newStatus;
-    break;
-  case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
-    m_iStreamPath      = 0;
-    m_powerStatus      = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
-    m_vendor           = CEC_VENDOR_UNKNOWN;
-    m_menuState        = CEC_MENU_STATE_ACTIVATED;
-    m_bActiveSource    = false;
-    m_iLastActive      = 0;
-    m_cecVersion       = CEC_VERSION_1_3A;
-    m_deviceStatus     = newStatus;
-    break;
-  case CEC_DEVICE_STATUS_PRESENT:
-  case CEC_DEVICE_STATUS_NOT_PRESENT:
-    m_deviceStatus = newStatus;
-    break;
+  SetPowerStatus   (CEC_POWER_STATUS_UNKNOWN);
+  SetVendorId      (CEC_VENDOR_UNKNOWN);
+  SetMenuState     (CEC_MENU_STATE_ACTIVATED);
+  SetCecVersion    (CEC_VERSION_UNKNOWN);
+  SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
+  SetOSDName       (ToString(m_iLogicalAddress));
+  SetInactiveSource();
+  m_iLastActive = 0;
+  m_unsupportedFeatures.clear();
+}
+
+void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
+{
+  {
+    CLockObject lock(m_mutex);
+    switch (newStatus)
+    {
+    case CEC_DEVICE_STATUS_UNKNOWN:
+      if (m_deviceStatus != newStatus)
+        CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'unknown'", ToString(m_iLogicalAddress));
+      ResetDeviceStatus();
+      m_deviceStatus = newStatus;
+      break;
+    case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
+      if (m_deviceStatus != newStatus)
+        CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'handled by libCEC'", ToString(m_iLogicalAddress));
+      SetPowerStatus   (CEC_POWER_STATUS_ON);
+      SetVendorId      (CEC_VENDOR_UNKNOWN);
+      SetMenuState     (CEC_MENU_STATE_ACTIVATED);
+      SetCecVersion    (CEC_VERSION_1_3A);
+      SetStreamPath    (CEC_INVALID_PHYSICAL_ADDRESS);
+      SetInactiveSource();
+      m_iLastActive   = 0;
+      m_deviceStatus  = newStatus;
+      break;
+    case CEC_DEVICE_STATUS_PRESENT:
+      if (m_deviceStatus != newStatus)
+        CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'present'", ToString(m_iLogicalAddress));
+      m_deviceStatus = newStatus;
+      break;
+    case CEC_DEVICE_STATUS_NOT_PRESENT:
+      if (m_deviceStatus != newStatus)
+      {
+        CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'not present'", ToString(m_iLogicalAddress));
+        ResetDeviceStatus();
+        m_deviceStatus = newStatus;
+      }
+      break;
+    }
   }
+
+  if (newStatus == CEC_DEVICE_STATUS_PRESENT)
+    RequestVendorId(false);
 }
 
 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
@@ -579,19 +652,27 @@ void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
   }
 }
 
-void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
+void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = CEC_INVALID_PHYSICAL_ADDRESS */)
 {
   CLockObject lock(m_mutex);
-  if (iNewAddress > 0)
+  if (iNewAddress != m_iStreamPath)
   {
     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
     m_iStreamPath = iNewAddress;
+  }
 
-    if (iNewAddress > 0)
-    {
-      lock.Unlock();
-      SetPowerStatus(CEC_POWER_STATUS_ON);
-    }
+  CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
+  if (device)
+  {
+    // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
+    device->SetActiveSource();
+  }
+  else
+  {
+    // try to find the device with the old address, and mark it as inactive when found
+    device = m_processor->GetDeviceByPhysicalAddress(iOldAddress);
+    if (device)
+      device->SetInactiveSource();
   }
 }
 
@@ -685,7 +766,8 @@ bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
     m_vendor = (cec_vendor_id)iVendorId;
   }
 
-  CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
+  if (bVendorChanged)
+    CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 
   return bVendorChanged;
 }
@@ -801,7 +883,7 @@ bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 {
   bool bReturn(false);
-  if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
+  if (!m_processor->m_busDevices[dest]->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
   {
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
     MarkBusy();
@@ -817,7 +899,7 @@ bool CCECBusDevice::TransmitPhysicalAddress(void)
   cec_device_type type;
   {
     CLockObject lock(m_mutex);
-    if (m_iPhysicalAddress == 0xffff)
+    if (m_iPhysicalAddress == CEC_INVALID_PHYSICAL_ADDRESS)
       return false;
 
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
@@ -831,6 +913,35 @@ bool CCECBusDevice::TransmitPhysicalAddress(void)
   return bReturn;
 }
 
+bool CCECBusDevice::TransmitSetMenuLanguage(cec_logical_address dest)
+{
+  bool bReturn(false);
+  cec_menu_language language = GetMenuLanguage();
+
+  char lang[3];
+  {
+    CLockObject lock(m_mutex);
+    lang[0] = language.language[0];
+    lang[1] = language.language[1];
+    lang[2] = language.language[2];
+  }
+
+  MarkBusy();
+  if (lang[0] == '?' && lang[1] == '?' && lang[2] == '?')
+  {
+      CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): Menu language feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
+      m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
+      bReturn = true;
+  }
+  else
+  {
+      CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): Menu language '%s'", GetLogicalAddressName(), m_iLogicalAddress, lang);
+      bReturn = m_handler->TransmitSetMenuLanguage(m_iLogicalAddress, lang);
+  }
+  MarkReady();
+  return bReturn;
+}
+
 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 {
   bool bReturn(false);
@@ -864,6 +975,12 @@ bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
   cec_power_status state;
   {
     CLockObject lock(m_mutex);
+    if (!IsActiveSource())
+    {
+      CLibCEC::AddLog(CEC_LOG_NOTICE, "power state requested of %s (%X), but we are not the active source. setting power state to standby", GetLogicalAddressName(), m_iLogicalAddress);
+      SetPowerStatus(CEC_POWER_STATUS_STANDBY);
+    }
+
     CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
     state = m_powerStatus;
   }
@@ -918,37 +1035,96 @@ bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
   return bReturn;
 }
 
-bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
+bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode)
 {
-  return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
+  CLockObject lock(m_mutex);
+  bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
+  if (bUnsupported)
+    CLibCEC::AddLog(CEC_LOG_DEBUG, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
+  return bUnsupported;
 }
 
 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
 {
-  m_unsupportedFeatures.insert(opcode);
+  // some commands should never be marked as unsupported
+  if (opcode == CEC_OPCODE_VENDOR_COMMAND ||
+      opcode == CEC_OPCODE_VENDOR_COMMAND_WITH_ID ||
+      opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN ||
+      opcode == CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP ||
+      opcode == CEC_OPCODE_ABORT ||
+      opcode == CEC_OPCODE_FEATURE_ABORT ||
+      opcode == CEC_OPCODE_NONE)
+    return;
+
+  {
+    CLockObject lock(m_mutex);
+    if (m_unsupportedFeatures.find(opcode) == m_unsupportedFeatures.end())
+    {
+      CLibCEC::AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
+      m_unsupportedFeatures.insert(opcode);
+    }
+  }
+
+  // signal threads that are waiting for a reponse
+  MarkBusy();
+  m_handler->SignalOpcode(cec_command::GetResponseOpcode(opcode));
+  MarkReady();
 }
 
 bool CCECBusDevice::ActivateSource(void)
 {
+  CLibCEC::AddLog(CEC_LOG_DEBUG, "activating source '%s'", ToString(m_iLogicalAddress));
   MarkBusy();
   bool bReturn = m_handler->ActivateSource();
   MarkReady();
   return bReturn;
 }
 
-void CCECBusDevice::HandlePoll(cec_logical_address iDestination)
+void CCECBusDevice::HandlePoll(cec_logical_address destination)
 {
-  CLockObject lock(m_mutex);
-  CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(m_iLogicalAddress), m_iLogicalAddress, ToString(iDestination), iDestination);
+  if (destination >= 0 && destination < CECDEVICE_BROADCAST)
+  {
+    CCECBusDevice *device = m_processor->m_busDevices[destination];
+    if (device)
+      device->HandlePollFrom(m_iLogicalAddress);
+  }
+}
+
+void CCECBusDevice::HandlePollFrom(cec_logical_address initiator)
+{
+  CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(initiator), initiator, ToString(m_iLogicalAddress), m_iLogicalAddress);
   m_bAwaitingReceiveFailed = true;
 }
 
 bool CCECBusDevice::HandleReceiveFailed(void)
 {
-  CLockObject lock(m_mutex);
   bool bReturn = m_bAwaitingReceiveFailed;
   m_bAwaitingReceiveFailed = false;
   return bReturn;
 }
 
+void CCECBusDevice::CheckVendorIdRequested(void)
+{
+  bool bRequestVendorId(false);
+  {
+    CLockObject lock(m_mutex);
+    bRequestVendorId = !m_bVendorIdRequested;
+    m_bVendorIdRequested = true;
+  }
+
+  if (bRequestVendorId)
+  {
+    ReplaceHandler(false);
+    GetVendorId();
+  }
+}
+
+bool CCECBusDevice::TransmitPendingActiveSourceCommands(void)
+{
+  MarkBusy();
+  bool bReturn = m_handler->TransmitPendingActiveSourceCommands();
+  MarkReady();
+  return bReturn;
+}
+
 //@}