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      1 /*
      2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include <stdlib.h>
     12 #include <string.h>
     13 
     14 #include "noise_suppression_x.h"
     15 #include "nsx_core.h"
     16 #include "nsx_defines.h"
     17 
     18 int WebRtcNsx_get_version(char* versionStr, short length) {
     19   const char version[] = "NS\t3.1.0";
     20   const short versionLen = (short)strlen(version) + 1; // +1: null-termination
     21 
     22   if (versionStr == NULL) {
     23     return -1;
     24   }
     25 
     26   if (versionLen > length) {
     27     return -1;
     28   }
     29 
     30   strncpy(versionStr, version, versionLen);
     31 
     32   return 0;
     33 }
     34 
     35 int WebRtcNsx_Create(NsxHandle** nsxInst) {
     36   *nsxInst = (NsxHandle*)malloc(sizeof(NsxInst_t));
     37   if (*nsxInst != NULL) {
     38     (*(NsxInst_t**)nsxInst)->initFlag = 0;
     39     return 0;
     40   } else {
     41     return -1;
     42   }
     43 
     44 }
     45 
     46 int WebRtcNsx_Free(NsxHandle* nsxInst) {
     47   free(nsxInst);
     48   return 0;
     49 }
     50 
     51 int WebRtcNsx_Init(NsxHandle* nsxInst, WebRtc_UWord32 fs) {
     52   return WebRtcNsx_InitCore((NsxInst_t*)nsxInst, fs);
     53 }
     54 
     55 int WebRtcNsx_set_policy(NsxHandle* nsxInst, int mode) {
     56   return WebRtcNsx_set_policy_core((NsxInst_t*)nsxInst, mode);
     57 }
     58 
     59 int WebRtcNsx_Process(NsxHandle* nsxInst, short* speechFrame,
     60                       short* speechFrameHB, short* outFrame,
     61                       short* outFrameHB) {
     62   return WebRtcNsx_ProcessCore(
     63       (NsxInst_t*)nsxInst, speechFrame, speechFrameHB, outFrame, outFrameHB);
     64 }
     65 
     66