Update code to upstream revision r767

Just reorganisation of the audio_processing code.

src/modules/audio_processing/ns/noise_suppression_x.c

@@ -0,0 +1,65 @@
+/*
+ *  Copyright (c) 2011 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 <stdlib.h>
+#include <string.h>
+
+#include "noise_suppression_x.h"
+#include "nsx_core.h"
+#include "nsx_defines.h"
+
+int WebRtcNsx_get_version(char* versionStr, short length) {
+  const char version[] = "NS\t3.1.0";
+  const short versionLen = (short)strlen(version) + 1; // +1: null-termination
+
+  if (versionStr == NULL) {
+    return -1;
+  }
+
+  if (versionLen > length) {
+    return -1;
+  }
+
+  strncpy(versionStr, version, versionLen);
+
+  return 0;
+}
+
+int WebRtcNsx_Create(NsxHandle** nsxInst) {
+  *nsxInst = (NsxHandle*)malloc(sizeof(NsxInst_t));
+  if (*nsxInst != NULL) {
+    (*(NsxInst_t**)nsxInst)->initFlag = 0;
+    return 0;
+  } else {
+    return -1;
+  }
+
+}
+
+int WebRtcNsx_Free(NsxHandle* nsxInst) {
+  free(nsxInst);
+  return 0;
+}
+
+int WebRtcNsx_Init(NsxHandle* nsxInst, WebRtc_UWord32 fs) {
+  return WebRtcNsx_InitCore((NsxInst_t*)nsxInst, fs);
+}
+
+int WebRtcNsx_set_policy(NsxHandle* nsxInst, int mode) {
+  return WebRtcNsx_set_policy_core((NsxInst_t*)nsxInst, mode);
+}
+
+int WebRtcNsx_Process(NsxHandle* nsxInst, short* speechFrame,
+                      short* speechFrameHB, short* outFrame,
+                      short* outFrameHB) {
+  return WebRtcNsx_ProcessCore(
+      (NsxInst_t*)nsxInst, speechFrame, speechFrameHB, outFrame, outFrameHB);
+}
+