1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/webrtc/src/webrtc/modules/audio_processing/ns/noise_suppression.c b/third_party/webrtc/src/webrtc/modules/audio_processing/ns/noise_suppression.c
new file mode 100644
index 00000000..13f1b2d6
--- /dev/null
+++ b/third_party/webrtc/src/webrtc/modules/audio_processing/ns/noise_suppression.c
@@ -0,0 +1,59 @@
+/*
+ *  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.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
+#include "webrtc/modules/audio_processing/ns/defines.h"
+#include "webrtc/modules/audio_processing/ns/ns_core.h"
+
+NsHandle* WebRtcNs_Create() {
+  NoiseSuppressionC* self = malloc(sizeof(NoiseSuppressionC));
+  self->initFlag = 0;
+  return (NsHandle*)self;
+}
+
+void WebRtcNs_Free(NsHandle* NS_inst) {
+  free(NS_inst);
+}
+
+int WebRtcNs_Init(NsHandle* NS_inst, uint32_t fs) {
+  return WebRtcNs_InitCore((NoiseSuppressionC*)NS_inst, fs);
+}
+
+int WebRtcNs_set_policy(NsHandle* NS_inst, int mode) {
+  return WebRtcNs_set_policy_core((NoiseSuppressionC*)NS_inst, mode);
+}
+
+void WebRtcNs_Analyze(NsHandle* NS_inst, const float* spframe) {
+  WebRtcNs_AnalyzeCore((NoiseSuppressionC*)NS_inst, spframe);
+}
+
+void WebRtcNs_Process(NsHandle* NS_inst,
+                      const float* const* spframe,
+                      size_t num_bands,
+                      float* const* outframe) {
+  WebRtcNs_ProcessCore((NoiseSuppressionC*)NS_inst, spframe, num_bands,
+                       outframe);
+}
+
+float WebRtcNs_prior_speech_probability(NsHandle* handle) {
+  NoiseSuppressionC* self = (NoiseSuppressionC*)handle;
+  if (handle == NULL) {
+    return -1;
+  }
+  if (self->initFlag == 0) {
+    return -1;
+  }
+  return self->priorSpeechProb;
+}