diff --git a/src/modules/rtp_rtcp/source/rtcp_receiver_help.cc b/src/modules/rtp_rtcp/source/rtcp_receiver_help.cc
index 5b224e60b5..0058acabb6 100644
--- a/src/modules/rtp_rtcp/source/rtcp_receiver_help.cc
+++ b/src/modules/rtp_rtcp/source/rtcp_receiver_help.cc
@@ -17,24 +17,25 @@
 namespace webrtc {
 using namespace RTCPHelp;
 
-RTCPPacketInformation::RTCPPacketInformation() :
-    rtcpPacketTypeFlags(0),
-    nackSequenceNumbers(0),
-    nackSequenceNumbersLength(0),
-    applicationSubType(0),
-    applicationName(0),
-    applicationData(),
-    applicationLength(0),
-    reportBlock(false),
-    fractionLost(0),
-    roundTripTime(0),
-    lastReceivedExtendedHighSeqNum(0),
-    jitter(0),
-    interArrivalJitter(0),
-    sliPictureId(0),
-    rpsiPictureId(0),
-    VoIPMetric(NULL)
-{
+RTCPPacketInformation::RTCPPacketInformation()
+    : rtcpPacketTypeFlags(0),
+      remoteSSRC(0),
+      nackSequenceNumbers(0),
+      nackSequenceNumbersLength(0),
+      applicationSubType(0),
+      applicationName(0),
+      applicationData(),
+      applicationLength(0),
+      reportBlock(false),
+      fractionLost(0),
+      roundTripTime(0),
+      lastReceivedExtendedHighSeqNum(0),
+      jitter(0),
+      interArrivalJitter(0),
+      sliPictureId(0),
+      rpsiPictureId(0),
+      receiverEstimatedMaxBitrate(0),
+      VoIPMetric(NULL) {
 }
 
 RTCPPacketInformation::~RTCPPacketInformation()
diff --git a/src/modules/rtp_rtcp/source/rtcp_utility.cc b/src/modules/rtp_rtcp/source/rtcp_utility.cc
index aa9c90773b..0cba9a8a01 100644
--- a/src/modules/rtp_rtcp/source/rtcp_utility.cc
+++ b/src/modules/rtp_rtcp/source/rtcp_utility.cc
@@ -29,27 +29,22 @@ RTCPUtility::RTCPCnameInformation::~RTCPCnameInformation()
 ///////////
 // RTCPParserV2 : currently read only
 
-RTCPUtility::RTCPParserV2::RTCPParserV2( const WebRtc_UWord8* rtcpData,
+RTCPUtility::RTCPParserV2::RTCPParserV2(const WebRtc_UWord8* rtcpData,
                                         size_t rtcpDataLength,
                                         bool rtcpReducedSizeEnable)
-    :
-    _ptrRTCPDataBegin(rtcpData),
-    _RTCPReducedSizeEnable(rtcpReducedSizeEnable),
-    _ptrRTCPDataEnd(rtcpData + rtcpDataLength),
-
-    _validPacket(false),
-    _ptrRTCPData(rtcpData),
-
-    _state(State_TopLevel),
-    _numberOfBlocks(0),
-
-    _packetType(kRtcpNotValidCode)
-{
-    Validate();
+    : _ptrRTCPDataBegin(rtcpData),
+      _RTCPReducedSizeEnable(rtcpReducedSizeEnable),
+      _ptrRTCPDataEnd(rtcpData + rtcpDataLength),
+      _validPacket(false),
+      _ptrRTCPData(rtcpData),
+      _ptrRTCPBlockEnd(NULL),
+      _state(State_TopLevel),
+      _numberOfBlocks(0),
+      _packetType(kRtcpNotValidCode) {
+  Validate();
 }
 
-RTCPUtility::RTCPParserV2::~RTCPParserV2()
-{
+RTCPUtility::RTCPParserV2::~RTCPParserV2() {
 }
 
 ptrdiff_t
@@ -1475,17 +1470,15 @@ RTCPUtility::RTCPParserV2::ParseAPPItem()
     return true;
 }
 
-RTCPUtility::RTCPPacketIterator::RTCPPacketIterator(
-    WebRtc_UWord8* rtcpData,
-    size_t rtcpDataLength)
-    :
-    _ptrBegin(rtcpData),
-    _ptrEnd(rtcpData + rtcpDataLength)
-{
+RTCPUtility::RTCPPacketIterator::RTCPPacketIterator(WebRtc_UWord8* rtcpData,
+                                                    size_t rtcpDataLength)
+    : _ptrBegin(rtcpData),
+      _ptrEnd(rtcpData + rtcpDataLength),
+      _ptrBlock(NULL) {
+  memset(&_header, 0, sizeof(_header));
 }
 
-RTCPUtility::RTCPPacketIterator::~RTCPPacketIterator()
-{
+RTCPUtility::RTCPPacketIterator::~RTCPPacketIterator() {
 }
 
 const RTCPUtility::RTCPCommonHeader*
diff --git a/src/modules/rtp_rtcp/source/rtp_sender_audio.cc b/src/modules/rtp_rtcp/source/rtp_sender_audio.cc
index e941c5a2c0..ca1a91d51d 100644
--- a/src/modules/rtp_rtcp/source/rtp_sender_audio.cc
+++ b/src/modules/rtp_rtcp/source/rtp_sender_audio.cc
@@ -40,8 +40,8 @@ RTPSenderAudio::RTPSenderAudio(const WebRtc_Word32 id, RtpRtcpClock* clock,
     _cngSWBPayloadType(-1),
     _lastPayloadType(-1),
     _includeAudioLevelIndication(false),    // @TODO - reset at Init()?
-    _audioLevelIndicationID(0)
-{
+    _audioLevelIndicationID(0),
+    _audioLevel_dBov(0) {
 };
 
 RTPSenderAudio::~RTPSenderAudio()