audio_processing: Create now returns a pointer to the object

webrtc/modules/audio_processing/ns/noise_suppression_x.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.
  */
 
 #include "webrtc/modules/audio_processing/ns/include/noise_suppression_x.h"
 
 #include <stdlib.h>
 
 #include "webrtc/common_audio/signal_processing/include/real_fft.h"
 #include "webrtc/modules/audio_processing/ns/nsx_core.h"
 #include "webrtc/modules/audio_processing/ns/nsx_defines.h"
 
-int WebRtcNsx_Create(NsxHandle** nsxInst) {
+NsxHandle* WebRtcNsx_Create() {
   NoiseSuppressionFixedC* self = malloc(sizeof(NoiseSuppressionFixedC));
-  *nsxInst = (NsxHandle*)self;
-
-  if (self != NULL) {
-    WebRtcSpl_Init();
-    self->real_fft = NULL;
-    self->initFlag = 0;
-    return 0;
-  } else {
-    return -1;
-  }
-
+  WebRtcSpl_Init();
+  self->real_fft = NULL;
+  self->initFlag = 0;
+  return (NsxHandle*)self;
 }
 
 void WebRtcNsx_Free(NsxHandle* nsxInst) {
   WebRtcSpl_FreeRealFFT(((NoiseSuppressionFixedC*)nsxInst)->real_fft);
   free(nsxInst);
 }
 
 int WebRtcNsx_Init(NsxHandle* nsxInst, uint32_t fs) {
   return WebRtcNsx_InitCore((NoiseSuppressionFixedC*)nsxInst, fs);
 }
 
 int WebRtcNsx_set_policy(NsxHandle* nsxInst, int mode) {
   return WebRtcNsx_set_policy_core((NoiseSuppressionFixedC*)nsxInst, mode);
 }
 
 void WebRtcNsx_Process(NsxHandle* nsxInst,
                       const short* const* speechFrame,
                       int num_bands,
                       short* const* outFrame) {
   WebRtcNsx_ProcessCore((NoiseSuppressionFixedC*)nsxInst, speechFrame,
                         num_bands, outFrame);
 }