cec: fixed - don't keep the mutex locked in CCECProcessor::Initialise()
[deb_libcec.git] / src / lib / CECProcessor.cpp
index 0aa876010df847c9848dc4e0b766d80353f74c0b..efc4f2ffc60d44438ff4e48809640a6ba4ef1b29 100644 (file)
 #include "devices/CECTV.h"
 #include "implementations/CECCommandHandler.h"
 #include "LibCEC.h"
-#include "util/StdString.h"
-#include "platform/timeutils.h"
 
 using namespace CEC;
 using namespace std;
+using namespace PLATFORM;
 
 CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS*/) :
     m_bStarted(false),
+    m_bInitialised(false),
     m_iHDMIPort(CEC_DEFAULT_HDMI_PORT),
     m_iBaseDevice((cec_logical_address)CEC_DEFAULT_BASE_DEVICE),
     m_lastInitiator(CECDEVICE_UNKNOWN),
@@ -69,6 +69,7 @@ CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, cec
 
 CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, const cec_device_type_list &types) :
     m_bStarted(false),
+    m_bInitialised(false),
     m_iHDMIPort(CEC_DEFAULT_HDMI_PORT),
     m_iBaseDevice((cec_logical_address)CEC_DEFAULT_BASE_DEVICE),
     m_strDeviceName(strDeviceName),
@@ -127,50 +128,98 @@ CCECProcessor::~CCECProcessor(void)
     delete m_busDevices[iPtr];
 }
 
-bool CCECProcessor::Start(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint32_t iTimeoutMs /* = 10000 */)
+bool CCECProcessor::OpenConnection(const char *strPort, uint16_t iBaudRate, uint32_t iTimeoutMs)
 {
-  CLockObject lock(&m_mutex);
-  if (!m_communication || m_communication->IsOpen())
+  bool bReturn(false);
+  CLockObject lock(m_mutex);
+  if (!m_communication)
   {
-    m_controller->AddLog(CEC_LOG_ERROR, "connection already opened");
-    return false;
+    m_controller->AddLog(CEC_LOG_ERROR, "no connection handler found");
+    return bReturn;
   }
 
-  if (!m_communication->Open(strPort, iBaudRate, iTimeoutMs))
+  /* check for an already opened connection */
+  if (m_communication->IsOpen())
   {
-    m_controller->AddLog(CEC_LOG_ERROR, "could not open a connection");
-    return false;
+    m_controller->AddLog(CEC_LOG_ERROR, "connection already opened");
+    return bReturn;
   }
 
-  if (CreateThread())
+  /* open a new connection */
+  if ((bReturn = m_communication->Open(strPort, iBaudRate, iTimeoutMs)) == false)
+    m_controller->AddLog(CEC_LOG_ERROR, "could not open a connection");
+
+  return bReturn;
+}
+
+void CCECProcessor::SetInitialised(bool bSetTo /* = true */)
+{
+  CLockObject lock(m_mutex);
+  m_bInitialised = bSetTo;
+}
+
+bool CCECProcessor::Initialise(void)
+{
+  bool bReturn(false);
   {
-    if (!m_startCondition.Wait(&m_mutex) || !m_bStarted)
+    CLockObject lock(m_mutex);
+    if (!m_logicalAddresses.IsEmpty())
+      m_logicalAddresses.Clear();
+
+    if (!FindLogicalAddresses())
     {
-      m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
-      return false;
+      m_controller->AddLog(CEC_LOG_ERROR, "could not detect our logical addresses");
+      return bReturn;
     }
 
-    lock.Leave();
+    /* only set our OSD name for the primary device */
+    m_busDevices[m_logicalAddresses.primary]->m_strDeviceName = m_strDeviceName;
+  }
 
-    m_busDevices[CECDEVICE_TV]->GetVendorId();
+  /* get the vendor id from the TV, so we are using the correct handler */
+  m_busDevices[CECDEVICE_TV]->RequestVendorId();
+  ReplaceHandlers();
 
-    if (SetHDMIPort(m_iBaseDevice, m_iHDMIPort, true))
-    {
-      /* init the default handler */
-      if (m_busDevices[CECDEVICE_TV]->GetHandler()->GetVendorId() == CEC_VENDOR_UNKNOWN)
-        m_busDevices[CECDEVICE_TV]->GetHandler()->InitHandler();
+  if ((bReturn = SetHDMIPort(m_iBaseDevice, m_iHDMIPort, true)) == false)
+  {
+    CStdString strLog;
+    strLog.Format("unable to set HDMI port %d on %s (%x)", m_iHDMIPort, ToString(m_iBaseDevice), (uint8_t)m_iBaseDevice);
+    m_controller->AddLog(CEC_LOG_ERROR, strLog);
+  }
 
-      m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
-      return true;
-    }
-    else
+  SetInitialised(bReturn);
+
+  return bReturn;
+}
+
+bool CCECProcessor::Start(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint32_t iTimeoutMs /* = 10000 */)
+{
+  bool bReturn(false);
+
+  {
+    CLockObject lock(m_mutex);
+    if (!OpenConnection(strPort, iBaudRate, iTimeoutMs))
+      return bReturn;
+
+    /* create the processor thread */
+    if (!CreateThread() || !m_startCondition.Wait(m_mutex) || !m_bStarted)
     {
-      m_controller->AddLog(CEC_LOG_ERROR, "failed to initialise the processor");
+      m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
+      return bReturn;
     }
   }
 
-  m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
-  return false;
+  if ((bReturn = Initialise()) == false)
+  {
+    m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
+    StopThread(true);
+  }
+  else
+  {
+    m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
+  }
+
+  return bReturn;
 }
 
 bool CCECProcessor::TryLogicalAddress(cec_logical_address address)
@@ -215,6 +264,85 @@ bool CCECProcessor::FindLogicalAddressAudioSystem(void)
   return TryLogicalAddress(CECDEVICE_AUDIOSYSTEM);
 }
 
+bool CCECProcessor::ChangeDeviceType(cec_device_type from, cec_device_type to)
+{
+  bool bChanged(false);
+
+  CStdString strLog;
+  strLog.Format("changing device type '%s' into '%s'", ToString(from), ToString(to));
+  AddLog(CEC_LOG_NOTICE, strLog);
+
+  CLockObject lock(m_mutex);
+  CCECBusDevice *previousDevice = GetDeviceByType(from);
+  m_logicalAddresses.primary = CECDEVICE_UNKNOWN;
+
+  for (unsigned int iPtr = 0; iPtr < 5; iPtr++)
+  {
+    if (m_types.types[iPtr] == CEC_DEVICE_TYPE_RESERVED)
+      continue;
+
+    if (m_types.types[iPtr] == from)
+    {
+      bChanged = true;
+      m_types.types[iPtr] = to;
+    }
+    else if (m_types.types[iPtr] == to && bChanged)
+    {
+      m_types.types[iPtr] = CEC_DEVICE_TYPE_RESERVED;
+    }
+  }
+
+  if (bChanged)
+  {
+    FindLogicalAddresses();
+
+    CCECBusDevice *newDevice = GetDeviceByType(to);
+    if (previousDevice && newDevice)
+    {
+      newDevice->SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
+      previousDevice->SetDeviceStatus(CEC_DEVICE_STATUS_UNKNOWN);
+
+      newDevice->SetCecVersion(previousDevice->GetCecVersion(false));
+      previousDevice->SetCecVersion(CEC_VERSION_UNKNOWN);
+
+      newDevice->SetMenuLanguage(previousDevice->GetMenuLanguage(false));
+      cec_menu_language lang;
+      lang.device = previousDevice->GetLogicalAddress();
+      for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
+        lang.language[iPtr] = '?';
+      lang.language[3] = 0;
+      previousDevice->SetMenuLanguage(lang);
+
+      newDevice->SetMenuState(previousDevice->GetMenuState());
+      previousDevice->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
+
+      newDevice->SetOSDName(previousDevice->GetOSDName(false));
+      previousDevice->SetOSDName(ToString(previousDevice->GetLogicalAddress()));
+
+      newDevice->SetPhysicalAddress(previousDevice->GetPhysicalAddress(false));
+      previousDevice->SetPhysicalAddress(0xFFFF);
+
+      newDevice->SetPowerStatus(previousDevice->GetPowerStatus(false));
+      previousDevice->SetPowerStatus(CEC_POWER_STATUS_UNKNOWN);
+
+      newDevice->SetVendorId(previousDevice->GetVendorId(false));
+      previousDevice->SetVendorId(CEC_VENDOR_UNKNOWN);
+
+      if ((from == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || from == CEC_DEVICE_TYPE_RECORDING_DEVICE) &&
+          (to == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || to == CEC_DEVICE_TYPE_RECORDING_DEVICE))
+      {
+        ((CCECPlaybackDevice *) newDevice)->SetDeckControlMode(((CCECPlaybackDevice *) previousDevice)->GetDeckControlMode());
+        ((CCECPlaybackDevice *) previousDevice)->SetDeckControlMode(CEC_DECK_CONTROL_MODE_STOP);
+
+        ((CCECPlaybackDevice *) newDevice)->SetDeckStatus(((CCECPlaybackDevice *) previousDevice)->GetDeckStatus());
+        ((CCECPlaybackDevice *) previousDevice)->SetDeckStatus(CEC_DECK_INFO_STOP);
+      }
+    }
+  }
+
+  return true;
+}
+
 bool CCECProcessor::FindLogicalAddresses(void)
 {
   bool bReturn(true);
@@ -239,31 +367,26 @@ bool CCECProcessor::FindLogicalAddresses(void)
       bReturn &= FindLogicalAddressAudioSystem();
   }
 
+  if (bReturn)
+    SetAckMask(m_logicalAddresses.AckMask());
+
   return bReturn;
 }
 
+void CCECProcessor::ReplaceHandlers(void)
+{
+  for (uint8_t iPtr = 0; iPtr <= CECDEVICE_PLAYBACKDEVICE3; iPtr++)
+    m_busDevices[iPtr]->ReplaceHandler(m_bInitialised);
+}
+
 void *CCECProcessor::Process(void)
 {
   bool                  bParseFrame(false);
   cec_command           command;
   CCECAdapterMessage    msg;
 
-  if (m_logicalAddresses.IsEmpty() && !FindLogicalAddresses())
   {
-    CLockObject lock(&m_mutex);
-    m_controller->AddLog(CEC_LOG_ERROR, "could not detect our logical addresses");
-    m_startCondition.Signal();
-    return NULL;
-  }
-  else
-  {
-    /* only set our OSD name and active source for the primary device */
-    m_busDevices[m_logicalAddresses.primary]->m_strDeviceName = m_strDeviceName;
-    m_busDevices[m_logicalAddresses.primary]->m_bActiveSource = true;
-
-    SetAckMask(m_logicalAddresses.AckMask());
-
-    CLockObject lock(&m_mutex);
+    CLockObject lock(m_mutex);
     m_bStarted = true;
     m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
     m_startCondition.Signal();
@@ -271,11 +394,12 @@ void *CCECProcessor::Process(void)
 
   while (!IsStopped())
   {
+    ReplaceHandlers();
     command.Clear();
     msg.clear();
 
     {
-      CLockObject lock(&m_mutex);
+      CLockObject lock(m_mutex);
       if (m_commandBuffer.Pop(command))
       {
         bParseFrame = true;
@@ -329,7 +453,8 @@ bool CCECProcessor::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RE
     bReturn = m_busDevices[addr]->TransmitActiveSource();
 
     if (bReturn && (m_busDevices[addr]->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
-        m_busDevices[addr]->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
+        m_busDevices[addr]->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) &&
+        m_busDevices[addr]->GetHandler()->SendDeckStatusUpdateOnActiveSource())
     {
       bReturn = ((CCECPlaybackDevice *)m_busDevices[addr])->TransmitDeckStatus(CECDEVICE_TV);
     }
@@ -354,13 +479,13 @@ bool CCECProcessor::SetActiveSource(uint16_t iStreamPath)
 
 void CCECProcessor::SetStandardLineTimeout(uint8_t iTimeout)
 {
-  CLockObject lock(&m_mutex);
+  CLockObject lock(m_mutex);
   m_iStandardLineTimeout = iTimeout;
 }
 
 void CCECProcessor::SetRetryLineTimeout(uint8_t iTimeout)
 {
-  CLockObject lock(&m_mutex);
+  CLockObject lock(m_mutex);
   m_iRetryLineTimeout = iTimeout;
 }
 
@@ -404,6 +529,7 @@ bool CCECProcessor::SetDeckInfo(cec_deck_info info, bool bSendUpdate /* = true *
 bool CCECProcessor::SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort, bool bForce /* = false */)
 {
   bool bReturn(false);
+  CLockObject lock(m_mutex);
 
   m_iBaseDevice = iBaseDevice;
   m_iHDMIPort = iPort;
@@ -416,44 +542,32 @@ bool CCECProcessor::SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort,
 
   uint16_t iPhysicalAddress(0);
   if (iBaseDevice > CECDEVICE_TV)
-    iPhysicalAddress = m_busDevices[iBaseDevice]->GetPhysicalAddress();
-
-  if (iPhysicalAddress == 0xffff)
   {
-    SetPhysicalAddress((uint16_t)iPort * 0x1000);
-    bReturn = false;
+    lock.Unlock();
+    iPhysicalAddress = m_busDevices[iBaseDevice]->GetPhysicalAddress();
+    lock.Lock();
   }
-  else
+
+  if (iPhysicalAddress < 0xffff)
   {
-    uint16_t iPos = 0;
     if (iPhysicalAddress == 0)
-      iPos = 0x1000;
+      iPhysicalAddress += 0x1000 * iPort;
     else if (iPhysicalAddress % 0x1000 == 0)
-      iPos = 0x100;
+      iPhysicalAddress += 0x100 * iPort;
     else if (iPhysicalAddress % 0x100 == 0)
-      iPos = 0x10;
+      iPhysicalAddress += 0x10 * iPort;
     else if (iPhysicalAddress % 0x10 == 0)
-      iPos = 0x1;
+      iPhysicalAddress += iPort;
 
-    while(!bReturn && iPos > 0)
-    {
-      iPhysicalAddress += (uint16_t)(iPort * iPos);
-      strLog.Format("checking physical address %4x", iPhysicalAddress);
-      AddLog(CEC_LOG_DEBUG, strLog);
-      if (PhysicalAddressInUse(iPhysicalAddress))
-      {
-        strLog.Format("physical address %4x is in use", iPhysicalAddress);
-        AddLog(CEC_LOG_DEBUG, strLog);
-        iPos = (iPos == 1) ? 0 : iPos / 0x10;
-      }
-      else
-      {
-        strLog.Format("physical address %4x is free", iPhysicalAddress);
-        AddLog(CEC_LOG_DEBUG, strLog);
-        SetPhysicalAddress(iPhysicalAddress);
-        bReturn = true;
-      }
-    }
+    bReturn = true;
+  }
+
+  if (!bReturn)
+    m_controller->AddLog(CEC_LOG_ERROR, "failed to set the physical address");
+  else
+  {
+    lock.Unlock();
+    SetPhysicalAddress(iPhysicalAddress);
   }
 
   return bReturn;
@@ -493,6 +607,7 @@ void CCECProcessor::LogOutput(const cec_command &data)
 
 bool CCECProcessor::SetLogicalAddress(cec_logical_address iLogicalAddress)
 {
+  CLockObject lock(m_mutex);
   if (m_logicalAddresses.primary != iLogicalAddress)
   {
     CStdString strLog;
@@ -520,20 +635,40 @@ bool CCECProcessor::SetMenuState(cec_menu_state state, bool bSendUpdate /* = tru
   return true;
 }
 
-bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress)
+bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress, bool bSendUpdate /* = true */)
 {
-  if (!m_logicalAddresses.IsEmpty())
+  bool bSendActiveView(false);
+  bool bReturn(false);
+  cec_logical_addresses sendUpdatesTo;
+
   {
-    for (uint8_t iPtr = 0; iPtr < 15; iPtr++)
-      if (m_logicalAddresses[iPtr])
-      {
-        m_busDevices[iPtr]->SetInactiveSource();
-        m_busDevices[iPtr]->SetPhysicalAddress(iPhysicalAddress);
-        m_busDevices[iPtr]->TransmitPhysicalAddress();
-      }
-    return SetActiveView();
+    CLockObject lock(m_mutex);
+    if (!m_logicalAddresses.IsEmpty())
+    {
+      bool bWasActiveSource(false);
+      for (uint8_t iPtr = 0; iPtr < 15; iPtr++)
+        if (m_logicalAddresses[iPtr])
+        {
+          bWasActiveSource |= m_busDevices[iPtr]->IsActiveSource();
+          m_busDevices[iPtr]->SetInactiveSource();
+          m_busDevices[iPtr]->SetPhysicalAddress(iPhysicalAddress);
+          if (bSendUpdate)
+            sendUpdatesTo.Set((cec_logical_address)iPtr);
+        }
+
+      bSendActiveView = bWasActiveSource && bSendUpdate;
+      bReturn = true;
+    }
   }
-  return false;
+
+  for (uint8_t iPtr = 0; iPtr < 15; iPtr++)
+    if (sendUpdatesTo[iPtr])
+      m_busDevices[iPtr]->TransmitPhysicalAddress();
+
+  if (bSendActiveView)
+    SetActiveView();
+
+  return bReturn;
 }
 
 bool CCECProcessor::SwitchMonitoring(bool bEnable)
@@ -543,7 +678,7 @@ bool CCECProcessor::SwitchMonitoring(bool bEnable)
   m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
 
   {
-    CLockObject lock(&m_mutex);
+    CLockObject lock(m_mutex);
     m_bMonitor = bEnable;
   }
 
@@ -613,9 +748,9 @@ CCECBusDevice *CCECProcessor::GetDeviceByType(cec_device_type type) const
 {
   CCECBusDevice *device = NULL;
 
-  for (unsigned int iPtr = 0; iPtr < 16; iPtr++)
+  for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
   {
-    if (m_busDevices[iPtr]->m_type == type)
+    if (m_busDevices[iPtr]->m_type == type && m_logicalAddresses[iPtr])
     {
       device = m_busDevices[iPtr];
       break;
@@ -724,7 +859,7 @@ bool CCECProcessor::Transmit(const cec_command &data)
 bool CCECProcessor::Transmit(CCECAdapterMessage *output)
 {
   bool bReturn(false);
-  CLockObject lock(&m_mutex);
+  CLockObject lock(m_mutex);
   {
     m_iLastTransmission = GetTimeMs();
     m_communication->SetLineTimeout(m_iStandardLineTimeout);
@@ -735,12 +870,12 @@ bool CCECProcessor::Transmit(CCECAdapterMessage *output)
       if (output->tries > 0)
         m_communication->SetLineTimeout(m_iRetryLineTimeout);
 
-      CLockObject msgLock(&output->mutex);
+      CLockObject msgLock(output->mutex);
       if (!m_communication || !m_communication->Write(output))
         return bReturn;
       else
       {
-        output->condition.Wait(&output->mutex);
+        output->condition.Wait(output->mutex);
         if (output->state != ADAPTER_MESSAGE_STATE_SENT)
         {
           m_controller->AddLog(CEC_LOG_ERROR, "command was not sent");
@@ -1000,6 +1135,27 @@ bool CCECProcessor::TransmitKeyRelease(cec_logical_address iDestination, bool bW
   return m_busDevices[iDestination]->TransmitKeyRelease(bWait);
 }
 
+const char *CCECProcessor::ToString(const cec_device_type type)
+{
+  switch (type)
+  {
+  case CEC_DEVICE_TYPE_AUDIO_SYSTEM:
+    return "audio system";
+  case CEC_DEVICE_TYPE_PLAYBACK_DEVICE:
+    return "playback device";
+  case CEC_DEVICE_TYPE_RECORDING_DEVICE:
+      return "recording device";
+  case CEC_DEVICE_TYPE_RESERVED:
+      return "reserved";
+  case CEC_DEVICE_TYPE_TUNER:
+      return "tuner";
+  case CEC_DEVICE_TYPE_TV:
+      return "TV";
+  default:
+    return "unknown";
+  }
+}
+
 const char *CCECProcessor::ToString(const cec_menu_state state)
 {
   switch (state)
@@ -1292,7 +1448,7 @@ const char *CCECProcessor::ToString(const cec_system_audio_status mode)
   }
 }
 
-const char *CCECProcessor::ToString(const cec_audio_status status)
+const char *CCECProcessor::ToString(const cec_audio_status UNUSED(status))
 {
   // TODO this is a mask
   return "TODO";
@@ -1316,6 +1472,8 @@ const char *CCECProcessor::ToString(const cec_vendor_id vendor)
     return "Yamaha";
   case CEC_VENDOR_PHILIPS:
     return "Philips";
+  case CEC_VENDOR_SONY:
+    return "Sony";
   default:
     return "Unknown";
   }