audio_processing: Create now returns a pointer to the object

webrtc/modules/audio_processing/aec/include/echo_cancellation.h

 /*
  *  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 46 matching lines @@
 } AecMetrics;
 
 struct AecCore;
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /*
  * Allocates the memory needed by the AEC. The memory needs to be initialized
- * separately using the WebRtcAec_Init() function.
- *
- * Inputs                       Description
- * -------------------------------------------------------------------
- * void**  aecInst              Pointer to the AEC instance to be created
- *                              and initialized
- *
- * Outputs                      Description
- * -------------------------------------------------------------------
- * int32_t return               0: OK
- *                             -1: error
+ * separately using the WebRtcAec_Init() function. Returns a pointer to the
+ * object or NULL on error.
  */
-int32_t WebRtcAec_Create(void** aecInst);
+void* WebRtcAec_Create();
 
 /*
  * This function releases the memory allocated by WebRtcAec_Create().
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*        aecInst         Pointer to the AEC instance
  */
 void WebRtcAec_Free(void* aecInst);
 
@@ skipping 153 matching lines @@
 //
 // Return value:
 //  - AecCore pointer           : NULL for error.
 //
 struct AecCore* WebRtcAec_aec_core(void* handle);
 
 #ifdef __cplusplus
 }
 #endif
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_INCLUDE_ECHO_CANCELLATION_H_