annotate src/opus-1.3/silk/pitch_est_defines.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_PE_DEFINES_H
cannam@154 29 #define SILK_PE_DEFINES_H
cannam@154 30
cannam@154 31 #include "SigProc_FIX.h"
cannam@154 32
cannam@154 33 /********************************************************/
cannam@154 34 /* Definitions for pitch estimator */
cannam@154 35 /********************************************************/
cannam@154 36
cannam@154 37 #define PE_MAX_FS_KHZ 16 /* Maximum sampling frequency used */
cannam@154 38
cannam@154 39 #define PE_MAX_NB_SUBFR 4
cannam@154 40 #define PE_SUBFR_LENGTH_MS 5 /* 5 ms */
cannam@154 41
cannam@154 42 #define PE_LTP_MEM_LENGTH_MS ( 4 * PE_SUBFR_LENGTH_MS )
cannam@154 43
cannam@154 44 #define PE_MAX_FRAME_LENGTH_MS ( PE_LTP_MEM_LENGTH_MS + PE_MAX_NB_SUBFR * PE_SUBFR_LENGTH_MS )
cannam@154 45 #define PE_MAX_FRAME_LENGTH ( PE_MAX_FRAME_LENGTH_MS * PE_MAX_FS_KHZ )
cannam@154 46 #define PE_MAX_FRAME_LENGTH_ST_1 ( PE_MAX_FRAME_LENGTH >> 2 )
cannam@154 47 #define PE_MAX_FRAME_LENGTH_ST_2 ( PE_MAX_FRAME_LENGTH >> 1 )
cannam@154 48
cannam@154 49 #define PE_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
cannam@154 50 #define PE_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
cannam@154 51 #define PE_MAX_LAG ( PE_MAX_LAG_MS * PE_MAX_FS_KHZ )
cannam@154 52 #define PE_MIN_LAG ( PE_MIN_LAG_MS * PE_MAX_FS_KHZ )
cannam@154 53
cannam@154 54 #define PE_D_SRCH_LENGTH 24
cannam@154 55
cannam@154 56 #define PE_NB_STAGE3_LAGS 5
cannam@154 57
cannam@154 58 #define PE_NB_CBKS_STAGE2 3
cannam@154 59 #define PE_NB_CBKS_STAGE2_EXT 11
cannam@154 60
cannam@154 61 #define PE_NB_CBKS_STAGE3_MAX 34
cannam@154 62 #define PE_NB_CBKS_STAGE3_MID 24
cannam@154 63 #define PE_NB_CBKS_STAGE3_MIN 16
cannam@154 64
cannam@154 65 #define PE_NB_CBKS_STAGE3_10MS 12
cannam@154 66 #define PE_NB_CBKS_STAGE2_10MS 3
cannam@154 67
cannam@154 68 #define PE_SHORTLAG_BIAS 0.2f /* for logarithmic weighting */
cannam@154 69 #define PE_PREVLAG_BIAS 0.2f /* for logarithmic weighting */
cannam@154 70 #define PE_FLATCONTOUR_BIAS 0.05f
cannam@154 71
cannam@154 72 #define SILK_PE_MIN_COMPLEX 0
cannam@154 73 #define SILK_PE_MID_COMPLEX 1
cannam@154 74 #define SILK_PE_MAX_COMPLEX 2
cannam@154 75
cannam@154 76 /* Tables for 20 ms frames */
cannam@154 77 extern const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ];
cannam@154 78 extern const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ];
cannam@154 79 extern const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ];
cannam@154 80 extern const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ];
cannam@154 81
cannam@154 82 /* Tables for 10 ms frames */
cannam@154 83 extern const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ 3 ];
cannam@154 84 extern const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 12 ];
cannam@154 85 extern const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ];
cannam@154 86
cannam@154 87 #endif
cannam@154 88