Replace NULL with nullptr in all C++ files.

webrtc/voice_engine/voe_rtp_rtcp_impl.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/system_wrappers/include/file_wrapper.h"
 #include "webrtc/system_wrappers/include/trace.h"
 #include "webrtc/voice_engine/include/voe_errors.h"
 #include "webrtc/voice_engine/voe_rtp_rtcp_impl.h"
 #include "webrtc/voice_engine/voice_engine_impl.h"
 
 #include "webrtc/voice_engine/channel.h"
 #include "webrtc/voice_engine/transmit_mixer.h"
 
 namespace webrtc {
 
 VoERTP_RTCP* VoERTP_RTCP::GetInterface(VoiceEngine* voiceEngine) {
-  if (NULL == voiceEngine) {
-    return NULL;
+  if (nullptr == voiceEngine) {
+    return nullptr;
   }
   VoiceEngineImpl* s = static_cast<VoiceEngineImpl*>(voiceEngine);
   s->AddRef();
   return s;
 }
 
 VoERTP_RTCPImpl::VoERTP_RTCPImpl(voe::SharedData* shared) : _shared(shared) {
   WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "VoERTP_RTCPImpl::VoERTP_RTCPImpl() - ctor");
 }
 
 VoERTP_RTCPImpl::~VoERTP_RTCPImpl() {
   WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "VoERTP_RTCPImpl::~VoERTP_RTCPImpl() - dtor");
 }
 
 int VoERTP_RTCPImpl::SetLocalSSRC(int channel, unsigned int ssrc) {
   WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "SetLocalSSRC(channel=%d, %lu)", channel, ssrc);
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "SetLocalSSRC() failed to locate channel");
     return -1;
   }
   return channelPtr->SetLocalSSRC(ssrc);
 }
 
 int VoERTP_RTCPImpl::GetLocalSSRC(int channel, unsigned int& ssrc) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetLocalSSRC() failed to locate channel");
     return -1;
   }
   return channelPtr->GetLocalSSRC(ssrc);
 }
 
 int VoERTP_RTCPImpl::GetRemoteSSRC(int channel, unsigned int& ssrc) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRemoteSSRC() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRemoteSSRC(ssrc);
 }
 
 int VoERTP_RTCPImpl::SetSendAudioLevelIndicationStatus(int channel,
                                                        bool enable,
                                                        unsigned char id) {
@@ skipping 11 matching lines @@
     // the range 1-14 inclusive.
     _shared->SetLastError(
         VE_INVALID_ARGUMENT, kTraceError,
         "SetSendAudioLevelIndicationStatus() invalid ID parameter");
     return -1;
   }
 
   // Set state and id for the specified channel.
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(
         VE_CHANNEL_NOT_VALID, kTraceError,
         "SetSendAudioLevelIndicationStatus() failed to locate channel");
     return -1;
   }
   return channelPtr->SetSendAudioLevelIndicationStatus(enable, id);
 }
 
 int VoERTP_RTCPImpl::SetReceiveAudioLevelIndicationStatus(int channel,
                                                           bool enable,
@@ skipping 11 matching lines @@
     // [RFC5285] The 4-bit id is the local identifier of this element in
     // the range 1-14 inclusive.
     _shared->SetLastError(
         VE_INVALID_ARGUMENT, kTraceError,
         "SetReceiveAudioLevelIndicationStatus() invalid id parameter");
     return -1;
   }
   // Set state and id for the specified channel.
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channel_ptr = ch.channel();
-  if (channel_ptr == NULL) {
+  if (channel_ptr == nullptr) {
     _shared->SetLastError(
         VE_CHANNEL_NOT_VALID, kTraceError,
         "SetReceiveAudioLevelIndicationStatus() failed to locate channel");
     return -1;
   }
   return channel_ptr->SetReceiveAudioLevelIndicationStatus(enable, id);
 }
 
 int VoERTP_RTCPImpl::SetRTCPStatus(int channel, bool enable) {
   WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "SetRTCPStatus(channel=%d, enable=%d)", channel, enable);
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "SetRTCPStatus() failed to locate channel");
     return -1;
   }
   channelPtr->SetRTCPStatus(enable);
   return 0;
 }
 
 int VoERTP_RTCPImpl::GetRTCPStatus(int channel, bool& enabled) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRTCPStatus() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRTCPStatus(enabled);
 }
 
 int VoERTP_RTCPImpl::SetRTCP_CNAME(int channel, const char cName[256]) {
   WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "SetRTCP_CNAME(channel=%d, cName=%s)", channel, cName);
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "SetRTCP_CNAME() failed to locate channel");
     return -1;
   }
   return channelPtr->SetRTCP_CNAME(cName);
 }
 
 int VoERTP_RTCPImpl::GetRemoteRTCP_CNAME(int channel, char cName[256]) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRemoteRTCP_CNAME() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRemoteRTCP_CNAME(cName);
 }
 
 int VoERTP_RTCPImpl::GetRemoteRTCPData(
     int channel,
     unsigned int& NTPHigh,           // from sender info in SR
     unsigned int& NTPLow,            // from sender info in SR
     unsigned int& timestamp,         // from sender info in SR
     unsigned int& playoutTimestamp,  // derived locally
     unsigned int* jitter,            // from report block 1 in SR/RR
     unsigned short* fractionLost)    // from report block 1 in SR/RR
 {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRemoteRTCP_CNAME() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRemoteRTCPData(NTPHigh, NTPLow, timestamp,
                                        playoutTimestamp, jitter, fractionLost);
 }
 
 int VoERTP_RTCPImpl::GetRTPStatistics(int channel,
                                       unsigned int& averageJitterMs,
                                       unsigned int& maxJitterMs,
                                       unsigned int& discardedPackets) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRTPStatistics() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRTPStatistics(averageJitterMs, maxJitterMs,
                                       discardedPackets);
 }
 
 int VoERTP_RTCPImpl::GetRTCPStatistics(int channel, CallStatistics& stats) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "GetRTPStatistics() failed to locate channel");
     return -1;
   }
   return channelPtr->GetRTPStatistics(stats);
 }
 
 int VoERTP_RTCPImpl::GetRemoteRTCPReportBlocks(
     int channel, std::vector<ReportBlock>* report_blocks) {
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channel_ptr = ch.channel();
-  if (channel_ptr == NULL) {
+  if (channel_ptr == nullptr) {
     _shared->SetLastError(
         VE_CHANNEL_NOT_VALID, kTraceError,
         "GetRemoteRTCPReportBlocks() failed to locate channel");
     return -1;
   }
   return channel_ptr->GetRemoteRTCPReportBlocks(report_blocks);
 }
 
 int VoERTP_RTCPImpl::SetNACKStatus(int channel, bool enable, int maxNoPackets) {
   WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
                "SetNACKStatus(channel=%d, enable=%d, maxNoPackets=%d)", channel,
                enable, maxNoPackets);
 
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
-  if (channelPtr == NULL) {
+  if (channelPtr == nullptr) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "SetNACKStatus() failed to locate channel");
     return -1;
   }
   channelPtr->SetNACKStatus(enable, maxNoPackets);
   return 0;
 }
 
 }  // namespace webrtc