annotate src/opus-1.3/silk/PLC.h @ 169:223a55898ab9 tip default

Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents 4664ac0c1032
children
rev   line source
cannam@154 1 /***********************************************************************
cannam@154 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
cannam@154 3 Redistribution and use in source and binary forms, with or without
cannam@154 4 modification, are permitted provided that the following conditions
cannam@154 5 are met:
cannam@154 6 - Redistributions of source code must retain the above copyright notice,
cannam@154 7 this list of conditions and the following disclaimer.
cannam@154 8 - Redistributions in binary form must reproduce the above copyright
cannam@154 9 notice, this list of conditions and the following disclaimer in the
cannam@154 10 documentation and/or other materials provided with the distribution.
cannam@154 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
cannam@154 12 names of specific contributors, may be used to endorse or promote
cannam@154 13 products derived from this software without specific prior written
cannam@154 14 permission.
cannam@154 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
cannam@154 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
cannam@154 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
cannam@154 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
cannam@154 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
cannam@154 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
cannam@154 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
cannam@154 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
cannam@154 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
cannam@154 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
cannam@154 25 POSSIBILITY OF SUCH DAMAGE.
cannam@154 26 ***********************************************************************/
cannam@154 27
cannam@154 28 #ifndef SILK_PLC_H
cannam@154 29 #define SILK_PLC_H
cannam@154 30
cannam@154 31 #include "main.h"
cannam@154 32
cannam@154 33 #define BWE_COEF 0.99
cannam@154 34 #define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */
cannam@154 35 #define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */
cannam@154 36 #define MAX_PITCH_LAG_MS 18
cannam@154 37 #define RAND_BUF_SIZE 128
cannam@154 38 #define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 )
cannam@154 39 #define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */
cannam@154 40 #define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */
cannam@154 41 #define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */
cannam@154 42
cannam@154 43 void silk_PLC_Reset(
cannam@154 44 silk_decoder_state *psDec /* I/O Decoder state */
cannam@154 45 );
cannam@154 46
cannam@154 47 void silk_PLC(
cannam@154 48 silk_decoder_state *psDec, /* I/O Decoder state */
cannam@154 49 silk_decoder_control *psDecCtrl, /* I/O Decoder control */
cannam@154 50 opus_int16 frame[], /* I/O signal */
cannam@154 51 opus_int lost, /* I Loss flag */
cannam@154 52 int arch /* I Run-time architecture */
cannam@154 53 );
cannam@154 54
cannam@154 55 void silk_PLC_glue_frames(
cannam@154 56 silk_decoder_state *psDec, /* I/O decoder state */
cannam@154 57 opus_int16 frame[], /* I/O signal */
cannam@154 58 opus_int length /* I length of signal */
cannam@154 59 );
cannam@154 60
cannam@154 61 #endif
cannam@154 62