1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 /****************************************************************** 12 13 iLBC Speech Coder ANSI-C Source Code 14 15 WebRtcIlbcfix_BwExpand.h 16 17 ******************************************************************/ 18 19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_BW_EXPAND_H_ 20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_BW_EXPAND_H_ 21 22 #include <stddef.h> 23 #include <stdint.h> 24 25 /*----------------------------------------------------------------* 26 * lpc bandwidth expansion 27 *---------------------------------------------------------------*/ 28 29 void WebRtcIlbcfix_BwExpand( 30 int16_t* out, /* (o) the bandwidth expanded lpc coefficients */ 31 int16_t* in, /* (i) the lpc coefficients before bandwidth 32 expansion */ 33 int16_t* coef, /* (i) the bandwidth expansion factor Q15 */ 34 int16_t length /* (i) the length of lpc coefficient vectors */ 35 ); 36 37 #endif 38