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_SimpleLsfQ.h 16 17 ******************************************************************/ 18 19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_SIMPLE_LSF_QUANT_H_ 20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_SIMPLE_LSF_QUANT_H_ 21 22 #include "defines.h" 23 24 /*----------------------------------------------------------------* 25 * lsf quantizer (subrutine to LPCencode) 26 *---------------------------------------------------------------*/ 27 28 void WebRtcIlbcfix_SimpleLsfQ( 29 int16_t *lsfdeq, /* (o) dequantized lsf coefficients 30 (dimension FILTERORDER) Q13 */ 31 int16_t *index, /* (o) quantization index */ 32 int16_t *lsf, /* (i) the lsf coefficient vector to be 33 quantized (dimension FILTERORDER) Q13 */ 34 int16_t lpc_n /* (i) number of lsf sets to quantize */ 35 ); 36 37 #endif 38
