Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 1 | /*********************************************************************** |
| 2 | Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
| 3 | Redistribution and use in source and binary forms, with or without |
Jean-Marc Valin | ae00e60 | 2012-04-20 16:31:04 -0400 | [diff] [blame] | 4 | modification, are permitted provided that the following conditions |
| 5 | are met: |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 6 | - Redistributions of source code must retain the above copyright notice, |
| 7 | this list of conditions and the following disclaimer. |
| 8 | - Redistributions in binary form must reproduce the above copyright |
| 9 | notice, this list of conditions and the following disclaimer in the |
| 10 | documentation and/or other materials provided with the distribution. |
Ralph Giles | f2446c2 | 2013-09-16 14:40:04 -0700 | [diff] [blame] | 11 | - Neither the name of Internet Society, IETF or IETF Trust, nor the |
Jean-Marc Valin | ae00e60 | 2012-04-20 16:31:04 -0400 | [diff] [blame] | 12 | names of specific contributors, may be used to endorse or promote |
| 13 | products derived from this software without specific prior written |
| 14 | permission. |
Timothy B. Terriberry | 80ad383 | 2013-05-19 18:00:39 -0700 | [diff] [blame] | 15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Jean-Marc Valin | ae00e60 | 2012-04-20 16:31:04 -0400 | [diff] [blame] | 16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 25 | POSSIBILITY OF SUCH DAMAGE. |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 26 | ***********************************************************************/ |
| 27 | |
Koen Vos | bf75c8e | 2011-12-13 14:47:31 -0500 | [diff] [blame] | 28 | #ifndef SILK_PLC_H |
| 29 | #define SILK_PLC_H |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 30 | |
Jean-Marc Valin | 1c2f563 | 2011-09-16 01:16:53 -0700 | [diff] [blame] | 31 | #include "main.h" |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 32 | |
| 33 | #define BWE_COEF 0.99 |
Koen Vos | acc7a6c | 2011-10-28 19:44:26 -0400 | [diff] [blame] | 34 | #define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */ |
| 35 | #define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */ |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 36 | #define MAX_PITCH_LAG_MS 18 |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 37 | #define RAND_BUF_SIZE 128 |
Koen Vos | acc7a6c | 2011-10-28 19:44:26 -0400 | [diff] [blame] | 38 | #define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 ) |
| 39 | #define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */ |
| 40 | #define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */ |
| 41 | #define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */ |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 42 | |
| 43 | void silk_PLC_Reset( |
Koen Vos | acc7a6c | 2011-10-28 19:44:26 -0400 | [diff] [blame] | 44 | silk_decoder_state *psDec /* I/O Decoder state */ |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 45 | ); |
| 46 | |
| 47 | void silk_PLC( |
Koen Vos | acc7a6c | 2011-10-28 19:44:26 -0400 | [diff] [blame] | 48 | silk_decoder_state *psDec, /* I/O Decoder state */ |
| 49 | silk_decoder_control *psDecCtrl, /* I/O Decoder control */ |
| 50 | opus_int16 frame[], /* I/O signal */ |
xiangmingzhu | c95c9a0 | 2014-04-30 15:48:07 +0800 | [diff] [blame] | 51 | opus_int lost, /* I Loss flag */ |
| 52 | int arch /* I Run-time architecture */ |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 53 | ); |
| 54 | |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 55 | void silk_PLC_glue_frames( |
Koen Vos | acc7a6c | 2011-10-28 19:44:26 -0400 | [diff] [blame] | 56 | silk_decoder_state *psDec, /* I/O decoder state */ |
| 57 | opus_int16 frame[], /* I/O signal */ |
| 58 | opus_int length /* I length of signal */ |
Gregory Maxwell | ae23114 | 2011-07-30 08:18:48 -0400 | [diff] [blame] | 59 | ); |
| 60 | |
| 61 | #endif |
| 62 | |