git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

modules/audio_coding/codecs/iLBC/main/source/vq4.h

@@ -0,0 +1,36 @@
+/*
+ *  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.
+ */
+
+/******************************************************************
+
+ iLBC Speech Coder ANSI-C Source Code
+
+ WebRtcIlbcfix_Vq4.h
+
+******************************************************************/
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_VQ4_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_VQ4_H_
+
+#include "typedefs.h"
+
+/*----------------------------------------------------------------*
+ *  Vector quantization of order 4 (based on MSE)
+ *---------------------------------------------------------------*/
+
+void WebRtcIlbcfix_Vq4(
+    WebRtc_Word16 *Xq,  /* (o) the quantized vector (Q13) */
+    WebRtc_Word16 *index, /* (o) the quantization index */
+    WebRtc_Word16 *CB,  /* (i) the vector quantization codebook (Q13) */
+    WebRtc_Word16 *X,  /* (i) the vector to quantize (Q13) */
+    WebRtc_Word16 n_cb  /* (i) the number of vectors in the codebook */
+                       );
+
+#endif