DELIA-57909: [Coverity] Various Uninitialized scalar variable in aamp code

Reason for change: Coverity issues are addressed as requested from security team.

Signed-off-by: Deepan Ragunathan <[email protected]>
Change-Id: Iac795f5b8619f4d93db5d611c1760df7ca36fba4
(cherry picked from commit b91edb7)

Author: deepan_ragunathan

AampConfig.cpp

@@ -991,7 +991,7 @@ bool AampConfig::ProcessConfigJson(const cJSON *cfgdata, ConfigPriority owner )
 		{
 			AAMPLOG_WARN("Parsed value for property DrmConfig");
 			cJSON *subitem = drmConfig->child;
-			DRMSystems drmType;
+			DRMSystems drmType = eDRM_PlayReady;
 			while( subitem )
 			{
 				std::string conv = std::string(subitem->valuestring);

drm/ClearKeyDrmSession.cpp

@@ -354,7 +354,7 @@ int ClearKeySession::decrypt(GstBuffer* keyIDBuffer, GstBuffer* ivBuffer, GstBuf
 	uint32_t nBytesEncrypted = 0;
 
 	GstMapInfo ivMap;
-	GstMapInfo subsampleMap;
+	GstMapInfo subsampleMap = GST_MAP_INFO_INIT;
 	GstMapInfo bufferMap;
 	GstByteReader* reader = NULL;
 

fragmentcollector_hls.cpp

@@ -3608,7 +3608,7 @@ AAMPStatusType StreamAbstractionAAMP_HLS::SyncTracks(void)
 	AAMPStatusType retval = eAAMPSTATUS_OK;
 	bool startTimeAvailable = true;
 	bool syncedUsingSeqNum = false;
-	long long mediaSequenceNumber[AAMP_TRACK_COUNT];
+	long long mediaSequenceNumber[AAMP_TRACK_COUNT] = {0};
 	TrackState *audio = trackState[eMEDIATYPE_AUDIO];
 	TrackState *video = trackState[eMEDIATYPE_VIDEO];
 	TrackState *subtitle = trackState[eMEDIATYPE_SUBTITLE];

fragmentcollector_mpd.cpp

@@ -11237,7 +11237,7 @@ void StreamAbstractionAAMP_MPD::ParseAvailablePreselections(IMPDElement *period,
 		std::string codec;
 		std::string lang;
 		std::string tag ;
-		long bandwidth;
+		long bandwidth = 0;
 		std::string role;
 		int channel = 0;
 		std::string label;

tsprocessor.cpp

@@ -2677,7 +2677,7 @@ bool TSProcessor::processStartCode(unsigned char *buffer, bool& keepScanning, in
 			{
 				unsigned char *newBuff = 0;
 				int newSize = m_emulationPreventionCapacity * 2 + length;
-				newBuff = (unsigned char *)malloc(newSize*sizeof(char));
+				newBuff = (unsigned char *)calloc(newSize,sizeof(char));
 				if (!newBuff)
 				{
 					ERROR("Error: unable to allocate emulation prevention buffer");