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

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

@@ -0,0 +1,45 @@
+/*
+ *  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_Refiner.h
+
+******************************************************************/
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
+
+#include "defines.h"
+
+/*----------------------------------------------------------------*
+ * find segment starting near idata+estSegPos that has highest
+ * correlation with idata+centerStartPos through
+ * idata+centerStartPos+ENH_BLOCKL-1 segment is found at a
+ * resolution of ENH_UPSO times the original of the original
+ * sampling rate
+ *---------------------------------------------------------------*/
+
+void WebRtcIlbcfix_Refiner(
+    iLBC_Dec_Inst_t *iLBCdec_inst,
+    /* (i) Decoder state */
+    WebRtc_Word16 *updStartPos, /* (o) updated start point (Q-2) */
+    WebRtc_Word16 *idata,   /* (i) original data buffer */
+    WebRtc_Word16 idatal,   /* (i) dimension of idata */
+    WebRtc_Word16 centerStartPos, /* (i) beginning center segment */
+    WebRtc_Word16 estSegPos,  /* (i) estimated beginning other segment (Q-2) */
+    WebRtc_Word16 *surround,  /* (i/o) The contribution from this sequence
+                                 summed with earlier contributions */
+    WebRtc_Word16 gain    /* (i) Gain to use for this sequence */
+                           );
+
+#endif