moving MPDFetching to MultimediaManager class, DASHReceiver might have two instances (video + audio)

Change-Id: Ifae7dab2db80d8b1a17ff7749cdfb879958cfee1
Signed-off-by: Jacques Samain <jsamain+fdio@cisco.com>

5 files changed, 40 insertions, 11 deletions

diff --git a/Managers/IStreamObserver.h b/Managers/IStreamObserver.h
index 1d628d51..31baca68 100644
--- a/Managers/IStreamObserver.h
+++ b/Managers/IStreamObserver.h
@@ -38,7 +38,6 @@ public:
     virtual void notifyQualityDownloading(uint32_t quality) = 0;
     virtual bool canPush() = 0;
     virtual int  getBufferLevel() = 0;
-    virtual void fetchMPD() = 0;
 };
 }
 }
diff --git a/Managers/MultimediaManager.cpp b/Managers/MultimediaManager.cpp
index 23118464..18061238 100644
--- a/Managers/MultimediaManager.cpp
+++ b/Managers/MultimediaManager.cpp
@@ -41,7 +41,8 @@ MultimediaManager::MultimediaManager(ViperGui *viperGui, int segBufSize, std::st
     eos                         (false),
     playing                     (false),
     noDecoding                  (nodecoding),
-    mpdWrapper                  (NULL)
+    mpdWrapper                  (NULL),
+    mpdFetcherThread            (NULL)
 {
     InitializeCriticalSection (&this->monitorMutex);
     InitializeCriticalSection (&this->monitorBufferMutex);
@@ -237,6 +238,15 @@ void MultimediaManager::start(bool icnEnabled, double icnAlpha, uint32_t nextOff
     }
     this->started = true;
     this->playing = true;
+
+    if(!strcmp(this->mpdWrapper->getType().c_str(), "dynamic"))
+    {
+	    this->mpdFetcherThread = createThreadPortable(DoMPDFetching, this);
+	    if(this->mpdFetcherThread == NULL)
+	    {
+	        std::cout << "mpd Fetcher thread is NULL. Need to think of how to handle this?" << std::endl;
+	    }
+	}
     LeaveCriticalSection(&this->monitorMutex);
 }
 
@@ -255,6 +265,11 @@ void MultimediaManager::stop()
     Debug("VIDEO STOPPED\n");
     this->mpdWrapper->reInit(viper::managers::StreamType::VIDEO);
     this->mpdWrapper->reInit(viper::managers::StreamType::AUDIO);
+    if(this->mpdFetcherThread != NULL)
+    {
+	JoinThread(this->mpdFetcherThread);
+	destroyThreadPortable(this->mpdFetcherThread);
+    }
 }
 
 void MultimediaManager::stopVideo()
@@ -691,3 +706,25 @@ float MultimediaManager::getSegmentDuration()
 {
     return this->segmentDuration;
 }
+
+static void*					MultimediaManager::DoMPDFetching				(void* data)
+{
+    MultimediaManager *manager = (MultimediaManager*) data;
+    uint32_t currTime = TimeResolver::getCurrentTimeInSec();
+    uint32_t publishedTime = manager->mpdWrapper->getFetchTime();
+//    To avoid clock synchronisation issues: using fetching time instead of publish time
+//    uint32_t publishedTime = TimeResolver::getUTCDateTimeInSec(dashReceiver->mpdWrapper->getPublishTime());
+    uint32_t periodUpdate = TimeResolver::getDurationInSec(manager->mpdWrapper->getMinimumUpdatePeriod());
+   while(manager->isStarted())
+    {
+    while(manager->isStarted() && currTime < publishedTime + periodUpdate)
+    {
+        usleep(((publishedTime + periodUpdate) - currTime) * 1000000);
+        currTime = TimeResolver::getCurrentTimeInSec();
+    }
+    manager->fetchMPD();
+	publishedTime = manager->mpdWrapper->getFetchTime();
+//	publishedTime = TimeResolver::getUTCDateTimeInSec(dashReceiver->mpdWrapper->getPublishTime());
+	periodUpdate = TimeResolver::getDurationInSec(manager->mpdWrapper->getMinimumUpdatePeriod());
+    }
+}
diff --git a/Managers/MultimediaManager.h b/Managers/MultimediaManager.h
index ade2b767..c00ff866 100644
--- a/Managers/MultimediaManager.h
+++ b/Managers/MultimediaManager.h
@@ -106,6 +106,7 @@ private:
     double                                                      frameRate;
     THREAD_HANDLE                                               videoRendererHandle;
     THREAD_HANDLE                                               audioRendererHandle;
+    THREAD_HANDLE                                               mpdFetcherThread;
     bool                                                        isVideoRendering;
     bool                                                        isAudioRendering;
     bool                                                        eos;
@@ -136,6 +137,7 @@ private:
     void                                                        notifyAudioSegmentBufferObservers   (uint32_t fillstateInPercent);
     void                                                        updateMPD                           ();
     void                                                        updateMPDICN                        ();
+    static void*                                                DoMPDFetching				        (void* manager);
 };
 }
 }
diff --git a/Managers/MultimediaStream.cpp b/Managers/MultimediaStream.cpp
index 86cde35d..f70eabfb 100644
--- a/Managers/MultimediaStream.cpp
+++ b/Managers/MultimediaStream.cpp
@@ -198,11 +198,3 @@ void MultimediaStream::notifyBufferChange(uint32_t bufferfill, int maxC)
 {
     this->dashManager->onBufferStateChanged(libdash::framework::buffer::VIDEO, bufferfill, maxC);
 }
-
-void MultimediaStream::fetchMPD()
-{
-    for(size_t i=0; i < this->observers.size(); i++)
-    {
-	this->observers.at(i)->fetchMPD();
-    }
-}
diff --git a/Managers/MultimediaStream.h b/Managers/MultimediaStream.h
index 454cca23..52a7ac9d 100644
--- a/Managers/MultimediaStream.h
+++ b/Managers/MultimediaStream.h
@@ -75,7 +75,6 @@ public:
     bool isICN();
     void shouldAbort();
     void setTargetDownloadingTime(double);
-    void fetchMPD();
 
 private:
     float                                               beta;