audio_processing: Create now returns a pointer to the object

webrtc/modules/audio_processing/agc/legacy/analog_agc.c

 /*
  *  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 1295 matching lines @@
         return -1;
     }
 
     config->limiterEnable = stt->usedConfig.limiterEnable;
     config->targetLevelDbfs = stt->usedConfig.targetLevelDbfs;
     config->compressionGaindB = stt->usedConfig.compressionGaindB;
 
     return 0;
 }
 
-int WebRtcAgc_Create(void **agcInst)
-{
-  LegacyAgc* stt;
-    if (agcInst == NULL)
-    {
-        return -1;
-    }
-    stt = (LegacyAgc*)malloc(sizeof(LegacyAgc));
-
-    *agcInst = stt;
-    if (stt == NULL)
-    {
-        return -1;
-    }
+void* WebRtcAgc_Create() {
+  LegacyAgc* stt = malloc(sizeof(LegacyAgc));
 
 #ifdef WEBRTC_AGC_DEBUG_DUMP
-    stt->fpt = fopen("./agc_test_log.txt", "wt");
-    stt->agcLog = fopen("./agc_debug_log.txt", "wt");
-    stt->digitalAgc.logFile = fopen("./agc_log.txt", "wt");
+  stt->fpt = fopen("./agc_test_log.txt", "wt");
+  stt->agcLog = fopen("./agc_debug_log.txt", "wt");
+  stt->digitalAgc.logFile = fopen("./agc_log.txt", "wt");
 #endif
 
-    stt->initFlag = 0;
-    stt->lastError = 0;
+  stt->initFlag = 0;
+  stt->lastError = 0;
 
-    return 0;
+  return stt;
 }
 
 void WebRtcAgc_Free(void *state) {
   LegacyAgc* stt;
 
   stt = (LegacyAgc*)state;
 #ifdef WEBRTC_AGC_DEBUG_DUMP
   fclose(stt->fpt);
   fclose(stt->agcLog);
   fclose(stt->digitalAgc.logFile);
@@ skipping 170 matching lines @@
 #endif
         return -1;
     } else
     {
 #ifdef WEBRTC_AGC_DEBUG_DUMP
         fprintf(stt->fpt, "\n");
 #endif
         return 0;
     }
 }