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_FilteredCbVecs.h 16 17 ******************************************************************/ 18 19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_FILTERED_CB_VECS_H_ 20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_FILTERED_CB_VECS_H_ 21 22 #include "defines.h" 23 24 /*----------------------------------------------------------------* 25 * Construct an additional codebook vector by filtering the 26 * initial codebook buffer. This vector is then used to expand 27 * the codebook with an additional section. 28 *---------------------------------------------------------------*/ 29 30 void WebRtcIlbcfix_FilteredCbVecs( 31 int16_t *cbvectors, /* (o) Codebook vector for the higher section */ 32 int16_t *CBmem, /* (i) Codebook memory that is filtered to create a 33 second CB section */ 34 int lMem, /* (i) Length of codebook memory */ 35 int16_t samples /* (i) Number of samples to filter */ 36 ); 37 38 #endif 39
