1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/pitch_estimator.h b/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/pitch_estimator.h
new file mode 100644
index 0000000000..4ab78c20ad
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/pitch_estimator.h
@@ -0,0 +1,32 @@
+/*
+ *  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.
+ */
+
+/*
+ * pitch_estimator.h
+ *
+ * Pitch functions
+ *
+ */
+
+#ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_ESTIMATOR_H_
+#define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_ESTIMATOR_H_
+
+#include <stddef.h>
+
+#include "modules/audio_coding/codecs/isac/main/source/structs.h"
+
+void WebRtcIsac_PitchAnalysis(
+    const double* in, /* PITCH_FRAME_LEN samples */
+    double* out,      /* PITCH_FRAME_LEN+QLOOKAHEAD samples */
+    PitchAnalysisStruct* State,
+    double* lags,
+    double* gains);
+
+#endif /* MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_ESTIMATOR_H_ */