X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2Fdevices%2FCECBusDevice.cpp;h=044cd9c0b938e341ac58ca0e4512687c106bd5d5;hb=cf4931be43a04e39ae7041e115f5a07cec530031;hp=a794dc0e407b4d5308bb725afd8d79b130cd406b;hpb=8fa354734e6dd2fd2e6fae68f7bbaf7ea84cbdfd;p=deb_libcec.git

diff --git a/src/lib/devices/CECBusDevice.cpp b/src/lib/devices/CECBusDevice.cpp
index a794dc0..044cd9c 100644
--- a/src/lib/devices/CECBusDevice.cpp
+++ b/src/lib/devices/CECBusDevice.cpp
@@ -50,12 +50,13 @@ CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogi
   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_iLastCommandSent(0),
   m_iLastActive(0),
   m_cecVersion(CEC_VERSION_UNKNOWN),
-  m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN)
+  m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
+  m_handlerMutex(false)
 {
   m_handler = new CCECCommandHandler(this);
 
@@ -79,15 +80,24 @@ void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
 
 bool CCECBusDevice::HandleCommand(const cec_command &command)
 {
+  bool bHandled(false);
+
+  /* update "last active" */
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     m_iLastActive = GetTimeMs();
+
+    if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
+      m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
   }
 
-  m_handler->HandleCommand(command);
+  /* handle the command */
+  bHandled = m_handler->HandleCommand(command);
 
+  /* change status to present */
+  if (bHandled)
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
     {
       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
@@ -99,7 +109,8 @@ bool CCECBusDevice::HandleCommand(const cec_command &command)
       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
     }
   }
-  return true;
+
+  return bHandled;
 }
 
 bool CCECBusDevice::PowerOn(void)
@@ -108,18 +119,24 @@ bool CCECBusDevice::PowerOn(void)
   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 
-  if (m_handler->TransmitPowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
+  if (m_handler->TransmitImageViewOn(GetMyLogicalAddress(), m_iLogicalAddress))
   {
     {
       CLockObject lock(&m_mutex);
-      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
-    }
-    cec_power_status status = GetPowerStatus();
-    if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
-    {
-      SendKeypress(CEC_USER_CONTROL_CODE_POWER);
-      return SendKeyRelease();
+//      m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
+      m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
     }
+//    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);
+//      AddLog(CEC_LOG_DEBUG, strLog.c_str());
+//
+//      TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
+//      return TransmitKeyRelease();
+//    }
     return true;
   }
 
@@ -137,63 +154,83 @@ bool CCECBusDevice::Standby(void)
 
 /** @name Getters */
 //@{
-cec_version CCECBusDevice::GetCecVersion(void)
+cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      m_cecVersion == CEC_VERSION_UNKNOWN)
+  bool bRequestUpdate(false);
+  {
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+      (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN));
+  }
+
+  if (bRequestUpdate)
     RequestCecVersion();
 
+  CLockObject lock(&m_mutex);
   return m_cecVersion;
 }
 
 bool CCECBusDevice::RequestCecVersion(void)
 {
   bool bReturn(false);
+
   if (!MyLogicalAddressContains(m_iLogicalAddress))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
 
     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
   }
   return bReturn;
 }
 
-uint64_t CCECBusDevice::GetLastCommandSent(void) const
-{
-  return GetTimeMs() - m_iLastCommandSent;
-}
-
 const char* CCECBusDevice::GetLogicalAddressName(void) const
 {
   return ToString(m_iLogicalAddress);
 }
 
-cec_menu_language &CCECBusDevice::GetMenuLanguage(void)
+cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      !strcmp(m_menuLanguage.language, "???"))
+  bool bRequestUpdate(false);
+  {
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+        (bUpdate || !strcmp(m_menuLanguage.language, "???")));
+  }
+
+  if (bRequestUpdate)
     RequestMenuLanguage();
 
+  CLockObject lock(&m_mutex);
   return m_menuLanguage;
 }
 
 bool CCECBusDevice::RequestMenuLanguage(void)
 {
   bool bReturn(false);
-  if (!MyLogicalAddressContains(m_iLogicalAddress))
+
+  if (!MyLogicalAddressContains(m_iLogicalAddress) &&
+      !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
   }
   return bReturn;
 }
 
+cec_menu_state CCECBusDevice::GetMenuState(void)
+{
+  CLockObject lock(&m_mutex);
+  return m_menuState;
+}
+
 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 {
   return m_processor->GetLogicalAddress();
@@ -204,105 +241,143 @@ uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
   return m_processor->GetPhysicalAddress();
 }
 
-CStdString CCECBusDevice::GetOSDName(void)
+CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      m_strDeviceName.Equals(ToString(m_iLogicalAddress)) &&
-      m_type != CEC_DEVICE_TYPE_TV)
+  bool bRequestUpdate(false);
+  {
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+        (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
+        m_type != CEC_DEVICE_TYPE_TV);
+  }
+
+  if (bRequestUpdate)
     RequestOSDName();
 
+  CLockObject lock(&m_mutex);
   return m_strDeviceName;
 }
 
 bool CCECBusDevice::RequestOSDName(void)
 {
   bool bReturn(false);
-  if (!MyLogicalAddressContains(m_iLogicalAddress))
+
+  if (!MyLogicalAddressContains(m_iLogicalAddress) &&
+      !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
   }
   return bReturn;
 }
 
-uint16_t CCECBusDevice::GetPhysicalAddress(bool bRefresh /* = true */)
+uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      (m_iPhysicalAddress == 0xFFFF || bRefresh))
+  bool bRequestUpdate(false);
   {
-    if (!RequestPhysicalAddress())
-      AddLog(CEC_LOG_ERROR, "failed to request the physical address");
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+        (m_iPhysicalAddress == 0xFFFF || bUpdate));
   }
 
+  if (bRequestUpdate && !RequestPhysicalAddress())
+    AddLog(CEC_LOG_ERROR, "failed to request the physical address (1)");
+
+  CLockObject lock(&m_mutex);
   return m_iPhysicalAddress;
 }
 
 bool CCECBusDevice::RequestPhysicalAddress(void)
 {
   bool bReturn(false);
+
   if (!MyLogicalAddressContains(m_iLogicalAddress))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
   }
   return bReturn;
 }
 
-cec_power_status CCECBusDevice::GetPowerStatus(void)
+cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      m_powerStatus == CEC_POWER_STATUS_UNKNOWN)
+  bool bRequestUpdate(false);
+  {
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+        (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
+            m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON));
+  }
+
+  if (bRequestUpdate)
     RequestPowerStatus();
 
+  CLockObject lock(&m_mutex);
   return m_powerStatus;
 }
 
 bool CCECBusDevice::RequestPowerStatus(void)
 {
   bool bReturn(false);
-  if (!MyLogicalAddressContains(m_iLogicalAddress))
+
+  if (!MyLogicalAddressContains(m_iLogicalAddress) &&
+      !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
   }
   return bReturn;
 }
 
-cec_vendor_id CCECBusDevice::GetVendorId(void)
+cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 {
-  CLockObject lock(&m_mutex);
-  if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
-      m_vendor == CEC_VENDOR_UNKNOWN)
+  bool bRequestUpdate(false);
+  {
+    CLockObject lock(&m_mutex);
+    bRequestUpdate = (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
+        (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
+  }
+
+  if (bRequestUpdate)
     RequestVendorId();
 
+  CLockObject lock(&m_mutex);
   return m_vendor;
 }
 
 bool CCECBusDevice::RequestVendorId(void)
 {
   bool bReturn(false);
+
   if (!MyLogicalAddressContains(m_iLogicalAddress))
   {
+    m_handler->MarkBusy();
     CStdString strLog;
     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
+    m_handler->MarkReady();
+
+    ReplaceHandler(true);
   }
   return bReturn;
 }
 
-const char *CCECBusDevice::GetVendorName(void)
+const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 {
-  return ToString(GetVendorId());
+  return ToString(GetVendorId(bUpdate));
 }
 
 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
@@ -359,8 +434,9 @@ bool CCECBusDevice::NeedsPoll(void)
 
 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 {
-  CLockObject lock(&m_writeMutex);
-  if (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll)
+  CLockObject lock(&m_mutex);
+  if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
+      (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
   {
     lock.Leave();
     bool bPollAcked(false);
@@ -389,7 +465,7 @@ void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 
 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (language.device == m_iLogicalAddress)
   {
     CStdString strLog;
@@ -401,7 +477,7 @@ void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 
 void CCECBusDevice::SetOSDName(CStdString strName)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (m_strDeviceName != strName)
   {
     CStdString strLog;
@@ -413,7 +489,7 @@ void CCECBusDevice::SetOSDName(CStdString strName)
 
 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (m_menuState != state)
   {
     CStdString strLog;
@@ -423,19 +499,24 @@ void CCECBusDevice::SetMenuState(const cec_menu_state state)
   }
 }
 
-void CCECBusDevice::SetInactiveDevice(void)
+void CCECBusDevice::SetInactiveSource(void)
 {
-  CLockObject lock(&m_writeMutex);
-  m_bActiveSource = false;
+  {
+    CLockObject lock(&m_mutex);
+    m_bActiveSource = false;
+  }
+
+  if (MyLogicalAddressContains(m_iLogicalAddress))
+    SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 }
 
-void CCECBusDevice::SetActiveDevice(void)
+void CCECBusDevice::SetActiveSource(void)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
 
   for (int iPtr = 0; iPtr < 16; iPtr++)
     if (iPtr != m_iLogicalAddress)
-      m_processor->m_busDevices[iPtr]->SetInactiveDevice();
+      m_processor->m_busDevices[iPtr]->SetInactiveSource();
 
   m_bActiveSource = true;
   m_powerStatus   = CEC_POWER_STATUS_ON;
@@ -465,7 +546,7 @@ bool CCECBusDevice::TryLogicalAddress(void)
 
 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   switch (newStatus)
   {
   case CEC_DEVICE_STATUS_UNKNOWN:
@@ -474,7 +555,6 @@ void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
     m_vendor           = CEC_VENDOR_UNKNOWN;
     m_menuState        = CEC_MENU_STATE_ACTIVATED;
     m_bActiveSource    = false;
-    m_iLastCommandSent = 0;
     m_iLastActive      = 0;
     m_cecVersion       = CEC_VERSION_UNKNOWN;
     m_deviceStatus     = newStatus;
@@ -485,7 +565,6 @@ void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
     m_vendor           = CEC_VENDOR_UNKNOWN;
     m_menuState        = CEC_MENU_STATE_ACTIVATED;
     m_bActiveSource    = false;
-    m_iLastCommandSent = 0;
     m_iLastActive      = 0;
     m_cecVersion       = CEC_VERSION_1_3A;
     m_deviceStatus     = newStatus;
@@ -499,7 +578,7 @@ void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 
 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
   {
     CStdString strLog;
@@ -512,7 +591,7 @@ void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 
 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (iNewAddress > 0)
   {
     CStdString strLog;
@@ -531,7 +610,7 @@ void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /*
 
 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 {
-  CLockObject lock(&m_writeMutex);
+  CLockObject lock(&m_mutex);
   if (m_powerStatus != powerStatus)
   {
     CStdString strLog;
@@ -541,42 +620,61 @@ void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
   }
 }
 
-bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
+bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
 {
-  bool bVendorChanged(false);
+  CLockObject lock(&m_mutex);
+  CLockObject handlerLock(&m_handlerMutex);
 
+  if (m_vendor != m_handler->GetVendorId())
   {
-    CLockObject lock(&m_writeMutex);
-    bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
-    m_vendor = (cec_vendor_id)iVendorId;
+    CStdString strLog;
+    if (m_handler->InUse())
+    {
+      strLog.Format("handler for device '%s' (%x) is being used. not replacing the command handler", GetLogicalAddressName(), GetLogicalAddress());
+      m_processor->AddLog(CEC_LOG_DEBUG, strLog);
+      return false;
+    }
 
-    if (bVendorChanged)
-      delete m_handler;
+    strLog.Format("replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
+    m_processor->AddLog(CEC_LOG_DEBUG, strLog);
+    delete m_handler;
 
-    switch (iVendorId)
+    switch (m_vendor)
     {
     case CEC_VENDOR_SAMSUNG:
-      if (bVendorChanged)
-        m_handler = new CANCommandHandler(this);
+      m_handler = new CANCommandHandler(this);
       break;
     case CEC_VENDOR_LG:
-      if (bVendorChanged)
-        m_handler = new CSLCommandHandler(this);
+      m_handler = new CSLCommandHandler(this);
       break;
     case CEC_VENDOR_PANASONIC:
-      if (bVendorChanged)
-        m_handler = new CVLCommandHandler(this);
+      m_handler = new CVLCommandHandler(this);
       break;
     default:
-      if (bVendorChanged)
-        m_handler = new CCECCommandHandler(this);
+      m_handler = new CCECCommandHandler(this);
       break;
     }
-  }
 
-  if (bVendorChanged && bInitHandler)
+    m_handler->SetVendorId(m_vendor);
     m_handler->InitHandler();
 
+    if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
+      m_handler->ActivateSource();
+  }
+
+  return true;
+}
+
+bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
+{
+  bool bVendorChanged(false);
+
+  {
+    CLockObject lock(&m_mutex);
+    bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
+    m_vendor = (cec_vendor_id)iVendorId;
+  }
+
   CStdString strLog;
   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
@@ -592,7 +690,7 @@ bool CCECBusDevice::TransmitActiveSource(void)
   bool bSendActiveSource(false);
 
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     if (m_powerStatus != CEC_POWER_STATUS_ON)
     {
       CStdString strLog;
@@ -614,14 +712,21 @@ bool CCECBusDevice::TransmitActiveSource(void)
     }
   }
 
-  return bSendActiveSource ? m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress) : false;
+  if (bSendActiveSource)
+  {
+    m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
+    m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
+    return true;
+  }
+
+  return false;
 }
 
 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 {
   cec_version version;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     CStdString strLog;
     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
     AddLog(CEC_LOG_NOTICE, strLog);
@@ -635,7 +740,7 @@ bool CCECBusDevice::TransmitInactiveSource(void)
 {
   uint16_t iPhysicalAddress;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     CStdString strLog;
     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
     AddLog(CEC_LOG_NOTICE, strLog);
@@ -649,7 +754,7 @@ bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 {
   cec_menu_state menuState;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     CStdString strLog;
     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
     AddLog(CEC_LOG_NOTICE, strLog);
@@ -663,7 +768,7 @@ bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 {
   CStdString strDeviceName;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     CStdString strLog;
     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
     AddLog(CEC_LOG_NOTICE, strLog.c_str());
@@ -675,11 +780,15 @@ bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 
 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 {
-  CStdString strLog;
-  strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
-  AddLog(CEC_LOG_NOTICE, strLog.c_str());
+  if (!IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
+  {
+    CStdString strLog;
+    strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
+    AddLog(CEC_LOG_NOTICE, strLog.c_str());
 
-  return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
+    return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
+  }
+  return false;
 }
 
 bool CCECBusDevice::TransmitPhysicalAddress(void)
@@ -687,7 +796,7 @@ bool CCECBusDevice::TransmitPhysicalAddress(void)
   uint16_t iPhysicalAddress;
   cec_device_type type;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     if (m_iPhysicalAddress == 0xffff)
       return false;
 
@@ -708,17 +817,24 @@ bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
   if (dest == CECDEVICE_UNKNOWN)
     dest = m_iLogicalAddress;
 
+  CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
+  if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
+    return bReturn;
+
   CStdString strLog;
   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
   AddLog(CEC_LOG_NOTICE, strLog.c_str());
   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 
+  CLockObject lock(&m_mutex);
   if (bReturn)
   {
-    CLockObject lock(&m_writeMutex);
     m_iLastActive = GetTimeMs();
+    destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
   }
+  else
+    destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 
   return bReturn;
 }
@@ -727,7 +843,7 @@ bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 {
   cec_power_status state;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     CStdString strLog;
     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
     AddLog(CEC_LOG_NOTICE, strLog.c_str());
@@ -737,21 +853,24 @@ bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 }
 
-bool CCECBusDevice::TransmitVendorID(cec_logical_address dest)
+bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
 {
   uint64_t iVendorId;
   {
-    CLockObject lock(&m_writeMutex);
+    CLockObject lock(&m_mutex);
     iVendorId = (uint64_t)m_vendor;
   }
 
   if (iVendorId == CEC_VENDOR_UNKNOWN)
   {
-    CStdString strLog;
-    strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
-    AddLog(CEC_LOG_NOTICE, strLog);
+    if (bSendAbort)
+    {
+      CStdString strLog;
+      strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
+      AddLog(CEC_LOG_NOTICE, strLog);
 
-    m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
+      m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
+    }
     return false;
   }
   else
@@ -764,13 +883,30 @@ bool CCECBusDevice::TransmitVendorID(cec_logical_address dest)
   }
 }
 
-bool CCECBusDevice::SendKeypress(cec_user_control_code key)
+bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
 {
-  return m_handler->SendKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key);
+  return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
 }
 
-bool CCECBusDevice::SendKeyRelease(void)
+bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
 {
-  return m_handler->SendKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress);
+  return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
 }
+
+bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
+{
+  return m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end();
+}
+
+void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
+{
+  m_unsupportedFeatures.insert(opcode);
+}
+
+bool CCECBusDevice::ActivateSource(void)
+{
+  CLockObject lock(&m_mutex);
+  return m_handler->ActivateSource();
+}
+
 //@}