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_DoThePlc.h 16 17 ******************************************************************/ 18 19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DO_PLC_H_ 20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DO_PLC_H_ 21 22 #include <stddef.h> 23 #include <stdint.h> 24 25 #include "modules/audio_coding/codecs/ilbc/defines.h" 26 27 /*----------------------------------------------------------------* 28 * Packet loss concealment routine. Conceals a residual signal 29 * and LP parameters. If no packet loss, update state. 30 *---------------------------------------------------------------*/ 31 32 void WebRtcIlbcfix_DoThePlc( 33 int16_t* PLCresidual, /* (o) concealed residual */ 34 int16_t* PLClpc, /* (o) concealed LP parameters */ 35 int16_t PLI, /* (i) packet loss indicator 36 0 - no PL, 1 = PL */ 37 int16_t* decresidual, /* (i) decoded residual */ 38 int16_t* lpc, /* (i) decoded LPC (only used for no PL) */ 39 size_t inlag, /* (i) pitch lag */ 40 IlbcDecoder* iLBCdec_inst 41 /* (i/o) decoder instance */ 42 ); 43 44 #endif 45