Replace NULL with nullptr in all C++ files.

webrtc/modules/audio_processing/aecm/echo_control_mobile.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.
  */
 
@@ skipping 70 matching lines @@
 static int WebRtcAecm_DelayComp(AecMobile* aecmInst);
 
 void* WebRtcAecm_Create() {
     AecMobile* aecm = static_cast<AecMobile*>(malloc(sizeof(AecMobile)));
 
     WebRtcSpl_Init();
 
     aecm->aecmCore = WebRtcAecm_CreateCore();
     if (!aecm->aecmCore) {
         WebRtcAecm_Free(aecm);
-        return NULL;
+        return nullptr;
     }
 
     aecm->farendBuf = WebRtc_CreateBuffer(kBufSizeSamp,
                                           sizeof(int16_t));
     if (!aecm->farendBuf)
     {
         WebRtcAecm_Free(aecm);
-        return NULL;
+        return nullptr;
     }
 
     aecm->initFlag = 0;
 
 #ifdef AEC_DEBUG
     aecm->aecmCore->farFile = fopen("aecFar.pcm","wb");
     aecm->aecmCore->nearFile = fopen("aecNear.pcm","wb");
     aecm->aecmCore->outFile = fopen("aecOut.pcm","wb");
     //aecm->aecmCore->outLpFile = fopen("aecOutLp.pcm","wb");
 
     aecm->bufFile = fopen("aecBuf.dat", "wb");
     aecm->delayFile = fopen("aecDelay.dat", "wb");
     aecm->preCompFile = fopen("preComp.pcm", "wb");
     aecm->postCompFile = fopen("postComp.pcm", "wb");
 #endif // AEC_DEBUG
     return aecm;
 }
 
 void WebRtcAecm_Free(void* aecmInst) {
   AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
 
-    if (aecm == NULL) {
-      return;
+  if (aecm == nullptr) {
+    return;
     }
 
 #ifdef AEC_DEBUG
     fclose(aecm->aecmCore->farFile);
     fclose(aecm->aecmCore->nearFile);
     fclose(aecm->aecmCore->outFile);
     //fclose(aecm->aecmCore->outLpFile);
 
     fclose(aecm->bufFile);
     fclose(aecm->delayFile);
     fclose(aecm->preCompFile);
     fclose(aecm->postCompFile);
 #endif // AEC_DEBUG
     WebRtcAecm_FreeCore(aecm->aecmCore);
     WebRtc_FreeBuffer(aecm->farendBuf);
     free(aecm);
 }
 
 int32_t WebRtcAecm_Init(void *aecmInst, int32_t sampFreq)
 {
     AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
     AecmConfig aecConfig;
 
-    if (aecm == NULL)
-    {
-        return -1;
+    if (aecm == nullptr) {
+      return -1;
     }
 
     if (sampFreq != 8000 && sampFreq != 16000)
     {
         return AECM_BAD_PARAMETER_ERROR;
     }
     aecm->sampFreq = sampFreq;
 
     // Initialize AECM core
     if (WebRtcAecm_InitCore(aecm->aecmCore, aecm->sampFreq) == -1)
@@ skipping 34 matching lines @@
 
     return 0;
 }
 
 // Returns any error that is caused when buffering the
 // farend signal.
 int32_t WebRtcAecm_GetBufferFarendError(void *aecmInst, const int16_t *farend,
                                 size_t nrOfSamples) {
   AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
 
-  if (aecm == NULL)
+  if (aecm == nullptr)
     return -1;
 
-  if (farend == NULL)
+  if (farend == nullptr)
     return AECM_NULL_POINTER_ERROR;
 
   if (aecm->initFlag != kInitCheck)
     return AECM_UNINITIALIZED_ERROR;
 
   if (nrOfSamples != 80 && nrOfSamples != 160)
     return AECM_BAD_PARAMETER_ERROR;
 
   return 0;
 }
@@ skipping 27 matching lines @@
     AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
     int32_t retVal = 0;
     size_t i;
     short nmbrOfFilledBuffers;
     size_t nBlocks10ms;
     size_t nFrames;
 #ifdef AEC_DEBUG
     short msInAECBuf;
 #endif
 
-    if (aecm == NULL)
-    {
-        return -1;
+    if (aecm == nullptr) {
+      return -1;
     }
 
-    if (nearendNoisy == NULL)
-    {
-        return AECM_NULL_POINTER_ERROR;
+    if (nearendNoisy == nullptr) {
+      return AECM_NULL_POINTER_ERROR;
     }
 
-    if (out == NULL)
-    {
-        return AECM_NULL_POINTER_ERROR;
+    if (out == nullptr) {
+      return AECM_NULL_POINTER_ERROR;
     }
 
     if (aecm->initFlag != kInitCheck)
     {
         return AECM_UNINITIALIZED_ERROR;
     }
 
     if (nrOfSamples != 80 && nrOfSamples != 160)
     {
         return AECM_BAD_PARAMETER_ERROR;
     }
 
     if (msInSndCardBuf < 0)
     {
         msInSndCardBuf = 0;
         retVal = AECM_BAD_PARAMETER_WARNING;
     } else if (msInSndCardBuf > 500)
     {
         msInSndCardBuf = 500;
         retVal = AECM_BAD_PARAMETER_WARNING;
     }
     msInSndCardBuf += 10;
     aecm->msInSndCardBuf = msInSndCardBuf;
 
     nFrames = nrOfSamples / FRAME_LEN;
     nBlocks10ms = nFrames / aecm->aecmCore->mult;
 
     if (aecm->ECstartup)
     {
-        if (nearendClean == NULL)
-        {
-            if (out != nearendNoisy)
-            {
-                memcpy(out, nearendNoisy, sizeof(short) * nrOfSamples);
-            }
+      if (nearendClean == nullptr) {
+        if (out != nearendNoisy) {
+          memcpy(out, nearendNoisy, sizeof(short) * nrOfSamples);
+        }
         } else if (out != nearendClean)
         {
             memcpy(out, nearendClean, sizeof(short) * nrOfSamples);
         }
 
         nmbrOfFilledBuffers =
             (short) WebRtc_available_read(aecm->farendBuf) / FRAME_LEN;
         // The AECM is in the start up mode
         // AECM is disabled until the soundcard buffer and farend buffers are OK
 
@@ skipping 63 matching lines @@
         }
 
     } else
     {
         // AECM is enabled
 
         // Note only 1 block supported for nb and 2 blocks for wb
         for (i = 0; i < nFrames; i++)
         {
             int16_t farend[FRAME_LEN];
-            const int16_t* farend_ptr = NULL;
+            const int16_t* farend_ptr = nullptr;
 
             nmbrOfFilledBuffers =
                 (short) WebRtc_available_read(aecm->farendBuf) / FRAME_LEN;
 
             // Check that there is data in the far end buffer
             if (nmbrOfFilledBuffers > 0)
             {
                 // Get the next 80 samples from the farend buffer
                 WebRtc_ReadBuffer(aecm->farendBuf, (void**) &farend_ptr, farend,
                                   FRAME_LEN);
@@ skipping 11 matching lines @@
             // Call buffer delay estimator when all data is extracted,
             // i,e. i = 0 for NB and i = 1 for WB
             if ((i == 0 && aecm->sampFreq == 8000) || (i == 1 && aecm->sampFreq == 16000))
             {
                 WebRtcAecm_EstBufDelay(aecm, aecm->msInSndCardBuf);
             }
 
             // Call the AECM
             /*WebRtcAecm_ProcessFrame(aecm->aecmCore, farend, &nearend[FRAME_LEN * i],
              &out[FRAME_LEN * i], aecm->knownDelay);*/
-            if (WebRtcAecm_ProcessFrame(aecm->aecmCore,
-                                        farend_ptr,
-                                        &nearendNoisy[FRAME_LEN * i],
-                                        (nearendClean
-                                         ? &nearendClean[FRAME_LEN * i]
-                                         : NULL),
-                                        &out[FRAME_LEN * i]) == -1)
-                return -1;
+            if (WebRtcAecm_ProcessFrame(
+                    aecm->aecmCore, farend_ptr, &nearendNoisy[FRAME_LEN * i],
+                    (nearendClean ? &nearendClean[FRAME_LEN * i] : nullptr),
+                    &out[FRAME_LEN * i]) == -1)
+              return -1;
         }
     }
 
 #ifdef AEC_DEBUG
     msInAECBuf = (short) WebRtc_available_read(aecm->farendBuf) /
         (kSampMsNb * aecm->aecmCore->mult);
     fwrite(&msInAECBuf, 2, 1, aecm->bufFile);
     fwrite(&(aecm->knownDelay), sizeof(aecm->knownDelay), 1, aecm->delayFile);
 #endif
 
     return retVal;
 }
 
 int32_t WebRtcAecm_set_config(void *aecmInst, AecmConfig config)
 {
     AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
 
-    if (aecm == NULL)
-    {
-        return -1;
+    if (aecm == nullptr) {
+      return -1;
     }
 
     if (aecm->initFlag != kInitCheck)
     {
         return AECM_UNINITIALIZED_ERROR;
     }
 
     if (config.cngMode != AecmFalse && config.cngMode != AecmTrue)
     {
         return AECM_BAD_PARAMETER_ERROR;
@@ skipping 59 matching lines @@
     return 0;
 }
 
 int32_t WebRtcAecm_InitEchoPath(void* aecmInst,
                                 const void* echo_path,
                                 size_t size_bytes)
 {
     AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
     const int16_t* echo_path_ptr = static_cast<const int16_t*>(echo_path);
 
-    if (aecmInst == NULL) {
+    if (aecmInst == nullptr) {
       return -1;
     }
-    if (echo_path == NULL) {
+    if (echo_path == nullptr) {
       return AECM_NULL_POINTER_ERROR;
     }
     if (size_bytes != WebRtcAecm_echo_path_size_bytes())
     {
         // Input channel size does not match the size of AECM
         return AECM_BAD_PARAMETER_ERROR;
     }
     if (aecm->initFlag != kInitCheck)
     {
         return AECM_UNINITIALIZED_ERROR;
     }
 
     WebRtcAecm_InitEchoPathCore(aecm->aecmCore, echo_path_ptr);
 
     return 0;
 }
 
 int32_t WebRtcAecm_GetEchoPath(void* aecmInst,
                                void* echo_path,
                                size_t size_bytes)
 {
     AecMobile* aecm = static_cast<AecMobile*>(aecmInst);
     int16_t* echo_path_ptr = static_cast<int16_t*>(echo_path);
 
-    if (aecmInst == NULL) {
+    if (aecmInst == nullptr) {
       return -1;
     }
-    if (echo_path == NULL) {
+    if (echo_path == nullptr) {
       return AECM_NULL_POINTER_ERROR;
     }
     if (size_bytes != WebRtcAecm_echo_path_size_bytes())
     {
         // Input channel size does not match the size of AECM
         return AECM_BAD_PARAMETER_ERROR;
     }
     if (aecm->initFlag != kInitCheck)
     {
         return AECM_UNINITIALIZED_ERROR;
@@ skipping 73 matching lines @@
         nSampAdd = (int)(WEBRTC_SPL_MAX(((nSampSndCard >> 1) - nSampFar),
                 FRAME_LEN));
         nSampAdd = WEBRTC_SPL_MIN(nSampAdd, maxStuffSamp);
 
         WebRtc_MoveReadPtr(aecm->farendBuf, -nSampAdd);
         aecm->delayChange = 1; // the delay needs to be updated
     }
 
     return 0;
 }