Merge pull request #5269 from FernetMenta/pvr

pvr: fix deadlock caused by pollling channel group name

xbmc/GUIInfoManager.cpp

@@ -3829,7 +3829,7 @@ CStdString CGUIInfoManager::GetVideoLabel(int item)
     case VIDEOPLAYER_CHANNEL_GROUP:
       {
         if (tag && !tag->IsRadio())
-          return g_PVRManager.GetPlayingGroup(false)->GroupName();
+          return g_PVRManager.GetPlayingTVGroupName();
       }
     }
   }

xbmc/pvr/PVRGUIInfo.cpp

@@ -258,6 +258,7 @@ void CPVRGUIInfo::UpdateMisc(void)
   bool       bIsPlayingEncryptedStream = bStarted && g_PVRClients->IsEncrypted();
   bool       bHasTVChannels            = bStarted && g_PVRChannelGroups->GetGroupAllTV()->HasChannels();
   bool       bHasRadioChannels         = bStarted && g_PVRChannelGroups->GetGroupAllRadio()->HasChannels();
+  std::string strPlayingTVGroup        = (bStarted && bIsPlayingTV) ? g_PVRManager.GetPlayingGroup(false)->GroupName() : "";
 
   /* safe to fetch these unlocked, since they're updated from the same thread as this one */
   bool       bHasNonRecordingTimers    = bStarted && m_iTimerAmount - m_iRecordingTimerAmount > 0;
@@ -272,6 +273,7 @@ void CPVRGUIInfo::UpdateMisc(void)
   m_bIsPlayingEncryptedStream = bIsPlayingEncryptedStream;
   m_bHasTVChannels            = bHasTVChannels;
   m_bHasRadioChannels         = bHasRadioChannels;
+  m_strPlayingTVGroup         = strPlayingTVGroup;
 }
 
 bool CPVRGUIInfo::TranslateCharInfo(DWORD dwInfo, std::string &strValue) const
@@ -898,3 +900,8 @@ void CPVRGUIInfo::UpdatePlayingTag(void)
     m_iDuration = recording.GetDuration() * 1000;
   }
 }
+
+std::string CPVRGUIInfo::GetPlayingTVGroup()
+{
+  return m_strPlayingTVGroup;
+}

xbmc/pvr/PVRGUIInfo.h

@@ -77,6 +77,11 @@ namespace PVR
 
     bool GetPlayingTag(EPG::CEpgInfoTag &tag) const;
 
+    /*!
+    * @brief Get playing TV group.
+    */
+    std::string GetPlayingTVGroup();
+
   private:
     void ResetProperties(void);
     void ClearQualityInfo(PVR_SIGNAL_STATUS &qualityInfo);
@@ -162,6 +167,7 @@ namespace PVR
     bool                            m_bIsPlayingEncryptedStream;
     bool                            m_bHasTVChannels;
     bool                            m_bHasRadioChannels;
+    std::string                     m_strPlayingTVGroup;
     //@}
 
     PVR_SIGNAL_STATUS               m_qualityInfo;       /*!< stream quality information */

xbmc/pvr/PVRManager.cpp

@@ -1614,3 +1614,8 @@ bool CPVRManager::CreateChannelEpgs(void)
   m_bEpgsCreated = m_channelGroups->CreateChannelEpgs();
   return m_bEpgsCreated;
 }
+
+std::string CPVRManager::GetPlayingTVGroupName()
+{
+  return IsStarted() && m_guiInfo ? m_guiInfo->GetPlayingTVGroup() : "";
+}

xbmc/pvr/PVRManager.h

@@ -548,6 +548,12 @@ namespace PVR
      */
     bool CreateChannelEpgs(void);
 
+    /*!
+    * @brief get the name of the channel group of the current playing channel
+    * @return name of channel if tv channel is playing
+    */
+    std::string GetPlayingTVGroupName();
+
   protected:
     /*!
      * @brief PVR update and control thread.