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rtphone/src/libs/libevs/lib_com/cnst_fx.h

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/*====================================================================================
EVS Codec 3GPP TS26.442 Apr 03, 2018. Version 12.11.0 / 13.6.0 / 14.2.0
====================================================================================*/
#ifndef CNST_FX_H
#define CNST_FX_H
#include "options.h" /* Compilation switches */
#define MODE1 1
#define MODE2 2
/*----------------------------------------------------------------------------------*
* General constants
*----------------------------------------------------------------------------------*/
#define LT_UV_THR_FX (100*64) /* in Q6 */
#define INV_MAX_LT_FX (Word16)((1.0f/MAX_LT)*32768)
#define EVS_PI 3.14159265358979323846264338327950288f
#define LG10 24660 /* 10*log10(2) in Q13 */
#define EVS_LW_MIN (Word32)0x80000000
#define EVS_LW_MAX (Word32)0x7fffffff
#define EVS_SW_MAX (Word16)0x7fff /* largest Ram */
/***************** FROM cnst.h ******************/
#define RANDOM_INITSEED 21845 /* Seed for random generators */
#define MAX_FRAME_COUNTER 200
#define BITS_PER_SHORT 16
#define BITS_PER_BYTE 8
#define MAX_BITS_PER_FRAME 2560
#define SYNC_GOOD_FRAME (UWord16) 0x6B21 /* synchronization word of a "good" frame */
#define SYNC_BAD_FRAME (UWord16) 0x6B20 /* synchronization word of a "bad" frame */
#define G192_BIN0 (UWord16) 0x007F /* binary "0" according to ITU-T G.192 */
#define G192_BIN1 (UWord16) 0x0081 /* binary "1" according to ITU-T G.192 */
#define ENC 0 /* Index for "encoder" */
#define DEC 1 /* Index for "decoder" */
#define NB 0 /* Indicator of 4 kHz bandwidth */
#define WB 1 /* Indicator of 8 kHz bandwidth */
#define SWB 2 /* Indicator of 14 kHz bandwidth */
#define FB 3 /* Indicator of 20 kHz bandwidth */
/* Conversion of bandwidth string into numerical constant */
#define CONV_BWIDTH(bw) ( !strcmp(bw, "NB") ? NB : !strcmp(bw, "WB") ? WB : !strcmp(bw, "SWB") ? SWB : !strcmp(bw, "FB") ? FB : -1)
#define L_FRAME48k 960 /* Frame size in samples at 48kHz */
#define L_FRAME32k 640 /* Frame size in samples at 32kHz */
#define L_FRAME16k 320 /* Frame size in samples at 16kHz */
#define L_FRAME8k 160 /* Frame size in samples at 8kHz */
/* Conversion of ns to samples for a given sampling frequency */
#define NS2SA(fs,x) ((short)((((long)(fs)/100L) * ((x)/100L)) / 100000L))
extern const Word16 Idx2Freq_Tbl[];
#define chk_fs(fs)
/* 'x' is converted to Q6, 'Freq_Tbl'/1000 in Q9 */
/* only works for 'fs' = [8000,12800,16000,25600,32000,48000] (unpredictable otherwise) */
/* 15625 is 1000000.0f/Q6 but we use the calculated value to avoid float point code */
#define NS2SA_fx2(fs,x) (chk_fs(fs) mult((&Idx2Freq_Tbl[-2])[L_and(L_shr(fs,8),7)], (Word16)((x)/15625)))
/*----------------------------------------------------------------------------------*
* Layers
*----------------------------------------------------------------------------------*/
#define ACELP_CORE 0 /* ACELP core layer */
#define TCX_20_CORE 1 /* TCX 20ms core layer */
#define TCX_10_CORE 2 /* TCX 10ms core layer */
#define HQ_CORE 3 /* HQ core layer */
#define AMR_WB_CORE 4 /* AMR-WB IO core */
#define WB_TBE 5 /* WB TBE layer (16/32/48kHz signals) */
#define WB_BWE 6 /* WB BWE layer optimized for music (16/32/48kHz signals) */
#define SWB_CNG 7 /* SWB CNG layer (32/48kHz signals) */
#define SWB_TBE 8 /* SWB TBE layer optimized for speech (32/48kHz signals) */
#define SWB_BWE 9 /* SWB BWE layer optimized for music (32/48kHz signals) */
#define SWB_BWE_HIGHRATE 10 /* SWB BWE layer optimized for highrate speech (32/48kHz) */
#define FB_TBE 11 /* FB TBE layer (48kHz signals) */
#define FB_BWE 12 /* FB BWE layer optimized for music (48kHz) */
#define FB_BWE_HIGHRATE 13 /* FB BWE layer optimized for highrate speech (48kHz) */
#define IGF_BWE 14 /* IGF layer for music (16.4 and 24.4kbps), 32kHz signals */
#define LP_CNG 0 /* LP-based CNG in DTX operation */
#define FD_CNG 1 /* FD-based CNG in DTX operation */
/*----------------------------------------------------------------------------------*
* Bitrates
*----------------------------------------------------------------------------------*/
#define FRAME_NO_DATA 0 /* Frame with no data */
#define SID_1k75 1750 /* SID at 1.75 kbps (used only in AMR-WB IO mode */
#define SID_2k40 2400 /* SID at 2.40 kbps */
#define PPP_NELP_2k80 2800 /* PPP and NELP at 2.80 kbps (used only for SC-VBR) */
#define ACELP_5k90 5900 /* ACELP core layer at average bitrate of 5.90 kbps (used only in SC-VBR mode) */
#define ACELP_6k60 6600 /* ACELP core layer at 6.60 kbps (used only in AMR-WB IO mode) */
#define ACELP_7k20 7200 /* ACELP core layer at 7.20 kbps */
#define ACELP_8k00 8000 /* ACELP core layer at 8 kbps */
#define ACELP_8k85 8850 /* ACELP core layer at 8.85 kbps (used only in AMR-WB IO mode) */
#define ACELP_9k60 9600 /* ACELP core layer at 9.60 kbps */
#define ACELP_11k60 11600 /* ACELP core layer at 11.60 kbps (used for SWB TBE) */
#define ACELP_12k15 12150 /* ACELP core layer at 12.15 kbps (used for WB TBE) */
#define ACELP_12k65 12650 /* ACELP core layer at 12.65 kbps (used only in AMR-WB IO mode) */
#define ACELP_12k85 12850 /* ACELP core layer at 12.85 kbps (used for WB BWE) */
#define ACELP_13k20 13200 /* ACELP core layer at 13.20 kbps */
#define ACELP_14k25 14250 /* ACELP core layer at 14.25 kbps (used only in AMR-WB IO mode) */
#define ACELP_14k80 14800 /* ACELP core layer at 14.80 kbps (used for core switching only) */
#define ACELP_15k85 15850 /* ACELP core layer at 15.85 kbps (used only in AMR-WB IO mode) */
#define ACELP_16k40 16400 /* ACELP core layer at 16.40 kbps */
#define ACELP_18k25 18250 /* ACELP core layer at 18.25 kbps (used only in AMR-WB IO mode) */
#define ACELP_19k85 19850 /* ACELP core layer at 19.85 kbps (used only in AMR-WB IO mode) */
#define ACELP_22k60 22600 /* ACELP core layer at 22.60 kbps (used for core switching only) */
#define ACELP_23k05 23050 /* ACELP core layer at 23.05 kbps (used only in AMR-WB IO mode) */
#define ACELP_23k85 23850 /* ACELP core layer at 23.85 kbps (used only in AMR-WB IO mode) */
#define ACELP_24k40 24400 /* ACELP core layer at 24.40 kbps */
#define ACELP_29k00 29000 /* ACELP core layer at 29.00 kbps (used for FB + SWB TBE) */
#define ACELP_29k20 29200 /* ACELP core layer at 29.20 kbps (used for SWB TBE) */
#define ACELP_30k20 30200 /* ACELP core layer at 30.20 kbps (used for FB + SWB BWE) */
#define ACELP_30k40 30400 /* ACELP core layer at 30.40 kbps (used for SWB BWE) */
#define ACELP_32k 32000 /* ACELP core layer at 32 kbps */
#define ACELP_48k 48000 /* ACELP core layer at 48 kbps */
#define ACELP_64k 64000 /* ACELP core layer at 64 kbps */
#define HQ_16k40 16400 /* HQ core at 16.4 kbps */
#define HQ_13k20 13200 /* HQ core at 13.2 kbps */
#define HQ_24k40 24400 /* HQ core at 24.4 kbps */
#define HQ_32k 32000 /* HQ core at 32 kbps */
#define HQ_48k 48000 /* HQ core at 48 kbps */
#define HQ_64k 64000 /* HQ core at 64 kbps */
#define HQ_96k 96000 /* HQ core at 96 kbps */
#define HQ_128k 128000 /* HQ core at 128 kbps */
#define WB_TBE_0k35 350 /* WB TBE layer (used only at 9.6 kbps on top of ACELP@12k8 core for 16kHz signals) */
#define WB_BWE_0k35 350 /* WB BWE layer (used only on top of ACELP@12k8 core for 16kHz signals) */
#define WB_TBE_1k05 1050 /* WB TBE layer (used only on top of ACELP@12k8 core for 16kHz signals) */
#define SWB_TBE_1k6 1600 /* SWB TBE layer */
#define SWB_BWE_1k6 1600 /* SWB BWE layer */
#define FB_TBE_1k8 1800 /* SWB+FB TBE layer (used only for 48kHz signals) */
#define FB_BWE_1k8 1800 /* SWB+FB BWE layer (used only for 48kHz signals) */
#define SWB_TBE_2k8 2800 /* SWB TBE layer @32kbps */
#define FB_TBE_3k0 3000 /* SWB+FB TBE layer @32kbps (used only for 48kHz signals) */
#define SWB_BWE_16k 16000 /* SWB BWE layer for highrate SWB speech */
/* Combine parameters into a single index (used to retrieve number of bits from bit allocation tables) */
#define LSF_BIT_ALLOC_IDX_fx(brate,ctype) (L_mac0(L_mult0(6, BRATE2IDX_fx(brate)), (ctype), 1))
/* Combine coder_type, bandwidth, formant sharpening flag, and channel-aware flag into one indice */
#define SIG2IND_fx(ctype, bw, sf, ca_rf) L_mac0(L_mac0(L_mac0(L_mult0(ctype, 1), bw, 1<<3), sf, 1<<6), ca_rf, 1<<7)
#define SIZE_BRATE_TBL 11
#define MAX_ACELP_SIG 100
/*----------------------------------------------------------------------------------*
* Bitstream indices
*----------------------------------------------------------------------------------*/
enum
{
IND_CORE,
IND_PPP_NELP_MODE,
IND_SID_TYPE,
IND_ACELP_16KHZ,
IND_ACELP_SIGNALLING,
IND_MDCT_CORE,
IND_BWE_FLAG,
IND_HQ_SWITCHING_FLG,
IND_LAST_L_FRAME,
IND_VAD_FLAG,
IND_HQ_BWIDTH,
IND_TC_SUBFR,
IND_LSF_PREDICTOR_SELECT_BIT = IND_TC_SUBFR + 4,
IND_LSF,
IND_MID_FRAME_LSF_INDEX = IND_LSF + 17,
IND_ISF_0_0,
IND_ISF_0_1,
IND_ISF_0_2,
IND_ISF_0_3,
IND_ISF_0_4,
IND_ISF_1_0,
IND_ISF_1_1,
IND_ISF_1_2,
IND_ISF_1_3,
IND_ISF_1_4,
IND_GSC_ATTACK,
IND_GSC_SWB_SPEECH,
IND_NOISE_LEVEL,
IND_HF_NOISE,
IND_PIT_CONTR_IDX,
IND_FEC_CLAS,
IND_FEC_ENR,
IND_FEC_POS,
IND_ES_PRED,
IND_HARM_FLAG_ACELP,
/* ------------- Loop for alg. codebook indices at 24.4 kbps (special case) -------------- */
TAG_ALG_CDBK_4T64_24KBIT_START,
IND_ALG_CDBK_4T64_1_24KBIT = TAG_ALG_CDBK_4T64_24KBIT_START,
IND_ALG_CDBK_4T64_2_24KBIT = TAG_ALG_CDBK_4T64_24KBIT_START,
TAG_ALG_CDBK_4T64_24KBIT_END = TAG_ALG_CDBK_4T64_24KBIT_START + 40,
/* ------------------------------------------------ */
/* ------------- ACELP subframe loop -------------- */
TAG_ACELP_SUBFR_LOOP_START,
IND_PITCH = TAG_ACELP_SUBFR_LOOP_START,
IND_LP_FILT_SELECT = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_1T64 = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_2T32 = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_4T64 = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_4T64_1 = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_4T64_2 = TAG_ACELP_SUBFR_LOOP_START,
IND_ALG_CDBK_4T64_1BIT = TAG_ACELP_SUBFR_LOOP_START,
IND_GAUS_CDBK_INDEX = TAG_ACELP_SUBFR_LOOP_START,
IND_TILT_FACTOR = TAG_ACELP_SUBFR_LOOP_START,
IND_GAIN = TAG_ACELP_SUBFR_LOOP_START,
IND_GAIN_CODE = TAG_ACELP_SUBFR_LOOP_START,
IND_TC_IMP_SHAPE = TAG_ACELP_SUBFR_LOOP_START,
IND_TC_IMP_POS = TAG_ACELP_SUBFR_LOOP_START,
IND_TC_IMP_SIGN = TAG_ACELP_SUBFR_LOOP_START,
IND_TC_IMP_GAIN = TAG_ACELP_SUBFR_LOOP_START,
IND_GAIN_PIT = TAG_ACELP_SUBFR_LOOP_START,
IND_PIT_IDX = TAG_ACELP_SUBFR_LOOP_START,
IND_AVQ_GAIN = TAG_ACELP_SUBFR_LOOP_START,
IND_I = TAG_ACELP_SUBFR_LOOP_START,
IND_KV = TAG_ACELP_SUBFR_LOOP_START,
IND_NQ = TAG_ACELP_SUBFR_LOOP_START,
IND_HF_GAIN_MODIFICATION = TAG_ACELP_SUBFR_LOOP_START,
TAG_ACELP_SUBFR_LOOP_END = TAG_ACELP_SUBFR_LOOP_START + 300,
/* ------------------------------------------------ */
IND_MEAN_GAIN2,
IND_Y_GAIN_TMP = IND_MEAN_GAIN2 + 32,
IND_Y_GAIN_HF = IND_Y_GAIN_TMP + 32,
IND_HQ_VOICING_FLAG,
IND_HQ_SWB_CLAS,
IND_NF_IDX,
IND_LC_MODE,
IND_YNRM,
IND_HQ_SWB_EXC_SP_CLAS = IND_YNRM + 44,
IND_HQ_SWB_EXC_CLAS = IND_HQ_SWB_EXC_SP_CLAS,
IND_SWB_FENV_HQ = IND_HQ_SWB_EXC_CLAS,
IND_FB_FENV_HQ = IND_SWB_FENV_HQ + 5,
IND_DELTA_ENV_HQ = IND_FB_FENV_HQ + 5,
IND_HVQ_BWE_NL,
IND_NUM_PEAKS = IND_HVQ_BWE_NL + 2,
IND_POS_IDX,
IND_FLAGN = IND_POS_IDX + 280,
IND_PG_IDX,
IND_HVQ_PEAKS = IND_PG_IDX + 27,
IND_HVQ_NF_GAIN = IND_HVQ_PEAKS + 54,
IND_HQ2_SWB_CLAS = IND_HVQ_NF_GAIN + 2,
IND_HQ2_DENG_MODE,
IND_HQ2_DENG_8SMODE,
IND_HQ2_DENG_8SMODE_N0,
IND_HQ2_DENG_8SMODE_N1,
IND_HQ2_DENG_8SPOS,
IND_HQ2_DENG_8SDEPTH,
IND_HQ2_DENG_HMODE,
IND_HQ2_DIFF_ENERGY,
IND_HQ2_P2A_FLAGS = IND_HQ2_DIFF_ENERGY + 100,
IND_HQ2_LAST_BA_MAX_BAND = IND_HQ2_P2A_FLAGS + 60,
IND_RC_START = IND_HQ2_LAST_BA_MAX_BAND + 2,
IND_RC_END = IND_RC_START + 320,
IND_HVQ_PVQ_GAIN = IND_RC_END+1,
IND_NOISINESS = IND_HVQ_PVQ_GAIN + 8,
IND_ENERGY,
IND_CNG_HO,
IND_SID_BW,
IND_CNG_ENV1,
IND_WB_FENV,
IND_WB_CLASS,
IND_IG1,
IND_IG2A,
IND_IG2B,
IND_NELP_FID,
IND_DELTALAG,
IND_POWER,
IND_AMP0,
IND_AMP1,
IND_GLOBAL_ALIGNMENT,
IND_PVQ_FINE_GAIN,
IND_UV_FLAG,
IND_SHB_SUBGAIN = IND_PVQ_FINE_GAIN + 44,
IND_SHB_FRAMEGAIN,
IND_SHB_ENER_SF,
IND_SHB_RES_GS1,
IND_SHB_RES_GS2,
IND_SHB_RES_GS3,
IND_SHB_RES_GS4,
IND_SHB_RES_GS5,
IND_SHB_VF,
IND_SHB_LSF,
IND_SHB_MIRROR = IND_SHB_LSF + 5,
IND_SHB_GRID,
IND_SWB_CLASS,
IND_SWB_TENV,
IND_SWB_FENV = IND_SWB_TENV + 4,
IND_SHB_CNG_GAIN = IND_SWB_FENV + 4,
IND_DITHERING,
IND_FB_SLOPE,
IND_HQ2_SPT_SHORTEN,
IND_HQ2_SUBBAND_TCQ,
IND_HQ2_SUBBAND_GAIN = IND_HQ2_SUBBAND_TCQ + 100,
IND_HQ2_DUMMY = IND_HQ2_SUBBAND_GAIN + 20,
IND_LAGINDICES,
IND_NOISEG,
IND_AUDIO_GAIN,
IND_AUDIO_DELAY,
/* ------------- HR SWB BWE loop -------------- */
TAG_HR_BWE_LOOP_START = IND_AUDIO_DELAY + 4,
IND_HR_IS_TRANSIENT = TAG_HR_BWE_LOOP_START,
IND_HR_GAIN = TAG_HR_BWE_LOOP_START,
IND_HR_ENVELOPE = TAG_HR_BWE_LOOP_START,
IND_HR_HF_GAIN = TAG_HR_BWE_LOOP_START,
IND_I2 = TAG_HR_BWE_LOOP_START,
IND_KV2 = TAG_HR_BWE_LOOP_START,
IND_NQ2 = TAG_HR_BWE_LOOP_START,
TAG_HR_BWE_LOOP_END = TAG_HR_BWE_LOOP_START + 200,
/* ------------------------------------------------ */
IND_CORE_SWITCHING_CELP_SUBFRAME,
IND_CORE_SWITCHING_AUDIO_DELAY = IND_CORE_SWITCHING_CELP_SUBFRAME + 20,
IND_CORE_SWITCHING_AUDIO_GAIN,
IND_UNUSED,
MAX_NUM_INDICES = IND_UNUSED + 127
};
/*----------------------------------------------------------------------------------*
* Delays
*----------------------------------------------------------------------------------*/
#define FRAME_SIZE_NS 20000000L
#define ACELP_LOOK_NS 8750000L
#define DELAY_FIR_RESAMPL_NS 937500L
#define DELAY_CLDFB_NS 1250000L
#define DELAY_SWB_TBE_12k8_NS 1250000L
#define DELAY_SWB_TBE_16k_NS 1125000L
#define MAX_DELAY_TBE_NS 1312500L
#define DELAY_BWE_TOTAL_NS 2312500L
#define DELAY_FD_BWE_ENC_12k8_NS (DELAY_BWE_TOTAL_NS - (MAX_DELAY_TBE_NS - DELAY_SWB_TBE_12k8_NS))
#define DELAY_FD_BWE_ENC_16k_NS (DELAY_BWE_TOTAL_NS - (MAX_DELAY_TBE_NS - DELAY_SWB_TBE_16k_NS))
#define DELAY_FD_BWE_ENC_NS 2250000L
#define L_LOOK_12k8 NS2SA(INT_FS_FX, ACELP_LOOK_NS) /* look-ahead length at 12.8kHz */
#define L_LOOK_16k NS2SA(INT_FS_16k_FX, ACELP_LOOK_NS) /* look-ahead length at 16kHz */
/* core switching constants @16kHz */
#define SWITCH_GAP_LENGTH_NS 6250000L /* lenght of ACELP->HQ switching gap in ms */
#define HQ_DELAY_COMP NS2SA(8000, DELAY_CLDFB_NS)
#define HQ_DELTA_MAX 6 /* maximum multiplication factor (==48kHz/8kHz) for core switching modules */
#define N_ZERO_MDCT_NS 5625000L /* Number of zeros in ms for MDCT */
#define NL_BUFF_OFFSET 12
#define N_WS2N_FRAMES 40 /* number of frames for attenuation during the band-width switching */
#define N_NS2W_FRAMES 20 /* number of frames for attenuation during the band-width switching */
/*----------------------------------------------------------------------------------*
* Coder types (only for ACELP core when not running in AMR-WB IO mode)
*----------------------------------------------------------------------------------*/
#define INACTIVE 0 /* inactive */
#define UNVOICED 1 /* unvoiced */
#define VOICED 2 /* purely voiced */
#define GENERIC 3 /* generic */
#define TRANSITION 4 /* transition */
#define AUDIO 5 /* audio (GSC) */
#define LR_MDCT 6 /* low-rate MDCT core */
/*--------------------------------------------------*
* Partial copy frame types (only for ACELP core )
*--------------------------------------------------*/
/* TCX partial copy frame types */
#define RF_NO_DATA 0
#define RF_TCXFD 1
#define RF_TCXTD1 2
#define RF_TCXTD2 3
/* ACELP partial copy frame types */
#define RF_ALLPRED ACELP_MODE_MAX
#define RF_NOPRED ACELP_MODE_MAX + 1
#define RF_GENPRED ACELP_MODE_MAX + 2
#define RF_NELP ACELP_MODE_MAX + 3
/*--------------------------------------------------------------*
* MODE2 Frame length constants
*---------------------------------------------------------------*/
#define L_FRAME_MAX 960 /* Max 20ms frame size @48kHz */
#define L_FRAME_PLUS 1200 /* Max frame size (long TCX frame) */
#define L_MDCT_OVLP_MAX NS2SA(48000,ACELP_LOOK_NS) /* = Max mdct overlap */
#define N_TCX10_MAX 480 /* Max size of TCX10 MDCT size */
#define BITS_TEC 1 /* number of bits for TEC */
#define BITS_TFA 1 /* number of bits for TTF */
#define N_TEC_TFA_SUBFR 16 /* number of subframes of TEC/TFA */
#define L_TEC_TFA_SUBFR16k (L_FRAME16k/N_TEC_TFA_SUBFR) /* TEC/TFA subframe size @ 16kHz*/
#define MAX_TEC_SMOOTHING_DEG 6 /* max degree of smoothing for TEC */
#define N_MAX 1200 /* Max size of MDCT spectrum = 25ms @ 48kHz */
#define N_MAX_TCX 1000 /* Max size of MDCT spectrum = 25ms @ 48kHz */
#define IGF_START_MN 164 /* MDCT lines not used by IGF*/
#define IGF_START_MX 800 /* max. MDCT lines used by IGF*/
#define L_FRAME_12k8 256 /* Frame size at 12k8Hz: 20ms = 256 samples */
#define L_FRAME_16k 320 /* Frame size at 16kHz: 20ms = 320 samples */
#define L_NEXT_MAX_12k8 112 /* maximum encoder lookahead at 12k8Hz */
#define L_PAST_MAX_12k8 144 /* maximum encoder past samples at 12k8Hz */
#define L_DIV 256 /* 20ms frame size (ACELP or short TCX frame) */
#define L_DIV_MAX 320
#define NB_DIV 2 /* number of division (frame) per 20ms frame */
#define NB_SUBFR 4 /* number of 5ms subframe per 20ms frame */
#define L_NEXT_MAX_16k 140 /* maximum encoder lookahead at 16kHz */
#define L_NEXT_MAX_32k 280 /* maximum encoder lookahead at 32kHz */
#define L_PAST_MAX_32k 360 /* maximum encoder past samples at 32kHz */
#define MIDLSF_NBITS 5
#define ENDLSF_NBITS 31
/*----------------------------------------------------------------------------------*
* ACELP core constants
*----------------------------------------------------------------------------------*/
#define SAFETY_NET 0
#define MOVING_AVERAGE 1
#define AUTO_REGRESSIVE 2
#define ACELP_MODE_MAX 4
#define RF_MODE_MAX 4
#define M 16 /* order of the LP filter @ 12.8kHz */
#define L_FRAME 256 /* frame size at 12.8kHz */
#define NB_SUBFR 4 /* number of subframes per frame */
#define L_SUBFR (L_FRAME/NB_SUBFR) /* subframe size */
#define L_SUBFR_Q6 ((L_FRAME/NB_SUBFR)*64) /* subframe size */
#define L_SUBFR_Q16 ((L_FRAME/NB_SUBFR)*65536) /* subframe size */
#define L_INP_MEM (L_LOOK_16k + ((L_LP_16k - (NS2SA(INT_FS_16k, ACELP_LOOK_NS) + L_SUBFR16k/2)) - 3*L_SUBFR16k/2)) /* length of memory of input signal, given by the Look-Ahead + the past memory (max needed for the LP window at 16 kHz) */
#define L_INP_12k8 (L_INP_MEM + L_FRAME) /* length of input signal buffer @12.8kHz */
#define L_INP (L_INP_MEM + L_FRAME32k) /* length of input signal buffer */
#define L_EXC_MEM L_FRAME16k /*(PIT16k_MAX + L_INTERPOL)*/ /* length of memory of excitation signal */
#define L_EXC_MEM_12k8 (PIT_MAX + L_INTERPOL) /* length of memory of excitation signal @12.8kHz */
#define L_EXC_MEM_DEC (3*L_FRAME16k/2) /*Half-frame needed for MODE2 PLC in case of TCX->ACELP*/
#define L_EXC (L_EXC_MEM + L_FRAME16k + 1) /* length of excitation signal buffer */
#define L_EXC_DEC (L_EXC_MEM_DEC + L_FRAME16k + 1 + L_SUBFR) /* length of decoder excitation signal buffer @16kHz*/
#define L_SYN_MEM NS2SA(48000,DELAY_CLDFB_NS) /* synthesis memory length, 1.25ms @ 48kHz */
#define L_SYN (L_SYN_MEM + L_FRAME16k) /* length of synthesis signal buffer */
#define L_WSP_MEM (PIT_MAX + L_INTERPOL) /* length of memory for weighted input signal */
#define L_WSP (L_WSP_MEM + L_FRAME + L_LOOK_12k8) /* length of weighted input signal buffer */
#define OLD_SYNTH_SIZE_DEC (2*L_FRAME_MAX) /* decoder past synthesis; needed for LTP, PLC and rate switching*/
#define OLD_SYNTH_INTERNAL_DEC (2*L_FRAME32k) /* decoder past synthesis @ internal sampling rate; needed for LTP, PLC and rate switching*/
#define OLD_SYNTH_SIZE_ENC L_FRAME32k+L_FRAME32k/4 /* Frame size in samples at 25.6 kHz */
#define OLD_EXC_SIZE_DEC (3*L_FRAME_MAX/2+2*L_FIR_FER2) /*old excitation needed for decoder for PLC*/
#define TILT_CODE 9830 /* ACELP code preemphasis factor ~=0.3f (0Q15) (=0.299987792968750) */
#define L_SUBFR16k (L_FRAME16k/NB_SUBFR) /* subframe size at 16kHz */
#define L_HALFR16k (2*L_SUBFR16k) /* half-frame size at 16kHz */
#define L_INTERPOL2 16 /* Length of filter for interpolation */
#define L_INTERPOL (L_INTERPOL2+1) /* Length of filter for interpolation */
#define TILT_FAC_FX 22282 /* tilt factor (denominator) fixed-point*/
#define M16k 20 /* order of the LP filter @ 16kHz */
#define PIT_SHARP_fx 27853 /* pitch sharpening factor */
#define F_PIT_SHARP 0.85F /* pitch sharpening factor */
#define PIT_UP_SAMP 4
#define UP_SAMP 4 /* upsampling factor for 1/4 interpolation filter */
#define PIT_L_INTERPOL2 16
#define PIT_FIR_SIZE2 (PIT_UP_SAMP*PIT_L_INTERPOL2+1)
#define PIT_UP_SAMP6 6
#define PIT_L_INTERPOL6_2 17
#define PIT_FIR_SIZE6_2 (PIT_UP_SAMP6*PIT_L_INTERPOL6_2+1)
#define E_MIN_FX 1 /* QSCALE (Q7)*/
#define STEP_DELTA_FX 11
#define FORMANT_SHARPENING_NOISE_THRESHOLD_FX 5376 /* 21 (!8)lp_noise level above which formant sharpening is deactivated - at this level most of 20 dB SNR office noisy speech still uses sharpening */
#define LP_NOISE_THRESH 167772160l/*20.f Q23*/
#define LFAC 160 /* FAC maximum frame length */
#define L_FILT_UP8k 24 /* Resampling - delay of filter for 8 kHz output signals (at 12.8 kHz sampling rate) */
#define LEN_WIN_SSS 120
#define L_FILT 12 /* Delay of the low-pass filter in the BPF */
#define L_FILT8k 16 /* Resampling - delay of filter for 8 kHz input signals (at 8kHz sampling rate) */
#define L_FILT16k 15 /* Resampling - delay of filter for 16 kHz input signals (at 16kHz sampling rate) */
#define L_FILT32k 30 /* Resampling - delay of filter for 32 kHz input signals (at 32kHz sampling rate) */
#define L_FILT48k 45 /* Resampling - delay of filter for 48 kHz input signals (at 48kHz sampling rate) */
#define L_FILT_UP16k 12 /* Resampling - delay of filter for 16 kHz output signals (at 12.8 kHz sampling rate) */
#define L_FILT_UP32k 12 /* Resampling - delay of filter for 32 kHz output signals (at 12.8 kHz sampling rate) */
#define L_FILT_UP48k 12 /* Resampling - delay of filter for 48 kHz output signals (at 12.8 kHz sampling rate) */
#define L_FILT_MAX L_FILT48k /* Resampling - maximum length of all filters - for memories */
#define RS_INV_FAC 0x8000 /* Resampling - flag needed in rom_com and modif_fs to allow pre-scaled and non pre-scaled filters */
#define CLDFB_NO_CHANNELS_MAX 60 /* CLDFB resampling - max number of CLDFB channels */
#define CLDFB_NO_COL_MAX 16 /* CLDFB resampling - max number of CLDFB col. */
#define CLDFB_NO_COL_MAX_SWITCH 6 /* CLDFB resampling - max number of CLDFB col. for switching */
#define CLDFB_NO_COL_MAX_SWITCH_BFI 8 /* CLDFB resampling - max number of CLDFB col. for switching */
#define CLDFB_ANALYSIS 0
#define CLDFB_SYNTHESIS 1
#define L_FFT 256 /* Spectral analysis - length of the FFT */
#define LOG2_L_FFT 8 /* Spectral analysis - log2 of L_FFT */
#define BIN (INT_FS_FX/L_FFT)/* Spectral analysis - Width of one frequency bin in Hz */
#define NB_BANDS 20 /* Spectral analysis - number of frequency bands */
#define VOIC_BINS 74 /* Spectral analysis - max number of frequency bins considered as voiced (related to VOIC_BAND and L_FFT) */
#define VOIC_BAND 17 /* Spectral analysis - number of critical bands considered as voiced (related to VOIC_BINS) */
#define VOIC_BINS_8k 115 /* Spectral analysis - max number of frequency bins considered as voiced in NB (related to VOIC_BAND_8k and L_FFT) */
#define VOIC_BAND_8k 17 /* Spectral analysis - number of critical bands considered as voiced in NB (related to VOIC_BINS_8k) */
#define N_SPEC (L_FFT/2) /* number of spectral bins */
#define M_GAMMA_FX 32440 /* Q15 - forgetting factor of active speech decision predictor */
#define M_ALPHA_FX 29491 /* Q15 - forgetting factor of LT correlation map */
#define ONE_MINUS_M_ALPHA 3277 /* Q15 - one minus forgetting factor of LT correlation map */
#define THR_CORR_INIT_FX (56<<9 ) /* Q9 - starting threshold of multi-harm. correlation */
#define THR_NCHAR_WB_FX 2048 /* Q11 threshold for noise character (WB) */
#define THR_NCHAR_NB_FX 2048 /* Q11 threshold for noise character (NB) */
#define L_LP 320 /* LP analysis - LP window size */
#define L_LP_16k 400 /* LP analysis @16kHz - LP window size for 16kHz */
#define L_LP_AMR_WB 384 /* LP analysis - windows size (only for AMR-WB IO mode) */
#define GRID100_POINTS 100 /* LP analysis - number of points to evaluate Chebyshev polynomials */
#define GRID80_POINTS 80 /* LP analysis - number of points to evaluate Chebyshev polynomials used in the LP coefs. conversion */
#define GRID50_POINTS 51 /* LP analysis - half-number of points to evaluate Chebyshev polynomials used in the LP coefs. conversion */
#define GRID40_POINTS 41 /* LP analysis - half-number of points to evaluate Chebyshev polynomials used in the LP coefs. conversion */
#define PIT_MIN 34 /* OL pitch analysis - Minimum pitch lag */
#define PIT_MAX 231 /* OL pitch analysis - Maximum pitch lag */
#define PIT_MIN_EXTEND 20 /* OL pitch analysis - Minimum pitch lag of extended range */
#define PIT_MIN_DOUBLEEXTEND 17 /* OL pitch analysis - Minimum pitch lag of double-extended range */
#define OPL_DECIM 2 /* OL pitch analysis - decimation factor */
#define L_INTERPOL1 4 /* OL pitch analysis - interval to compute normalized correlation */
#define FIR_SIZE1 (UP_SAMP*L_INTERPOL1+1) /* OL pitch analysis - total length of the 1/4 interpolation filter */
#define PIT_MIN_SHORTER 29 /* OL pitch analysis - minimum for wider pitch, MODE2 specific constant */
#define PIT_MIN_12k8 29 /* Minimum pitch lag with resolution 1/4 */
#define PIT_FR2_12k8 121 /* Minimum pitch lag with resolution 1/2 */
#define PIT_FR1_12k8 154 /* Minimum pitch lag with resolution 1 */
#define PIT_MAX_12k8 231 /* Maximum pitch lag */
#define PIT_FR1_8b_12k8 82 /* Minimum pitch lag with resolution 1 for low bit-rate pitch delay codings*/
#define PIT_MIN_16k 36
#define PIT_FR2_16k 36
#define PIT_FR1_16k 165
#define PIT_FR1_8b_16k 165
#define PIT_MIN_25k6 58
#define PIT_FR2_25k6 58
#define PIT_FR1_25k6 164
#define PIT_MAX_25k6 463
#define PIT_FR1_8b_25k6 164
#define PIT_MIN_32k 72
#define PIT_FR2_32k 72
#define PIT_FR1_32k 75
#define PIT_MAX_32k 577
#define PIT_FR1_8b_32k 75
#define PIT_MAX_MAX PIT_MAX_32k
#define PIT_MAX_16k 289
#define PIT_FR1_8b 92 /* Pitch encoding - Minimum pitch lag with resolution 1 */
#define PIT_FR2_9b 128 /* Pitch encoding - Minimum pitch lag with resolution 1/2 */
#define PIT_FR1_9b 160 /* Pitch encoding - Minimum pitch lag with resolution 1 */
#define PIT_FR1_EXTEND_8b 64 /* Pitch encoding - Minimum pitch lag with resolution 1 of extended range */
#define PIT_FR2_EXTEND_9b 116 /* Pitch encoding - Minimum pitch lag with resolution 1/2 of extended range */
#define PIT_FR1_EXTEND_9b 128 /* Pitch encoding - Minimum pitch lag with resolution 1 of extended range */
#define PIT_FR1_DOUBLEEXTEND_8b 58 /* Pitch encoding - Minimum pitch lag with resolution 1 of double-extended range */
#define PIT_FR2_DOUBLEEXTEND_9b 112 /* Pitch encoding - Minimum pitch lag with resolution 1/2 of double-extended range */
#define PIT_FR1_DOUBLEEXTEND_9b 124 /* Pitch encoding - Minimum pitch lag with resolution 1 of double-extended range */
#define LOW_PASS 0 /* LP filtering - flag for low-pass filtering of the excitation */
#define FULL_BAND 1 /* LP filtering - flag for no low-pass filtering of the excitation */
#define NORMAL_OPERATION 2 /* LP filtering - flag for selecting the best of the two above */
#define NB_TRACK_FCB_2T 2 /* Algebraic codebook - number of tracks in algebraic fixed codebook search with 2 tracks */
#define NB_POS_FCB_2T 32 /* Algebraic codebook - number of positions in algebraic fixed codebook search with 2 tracks */
#define NB_TRACK_FCB_4T 4 /* Algebraic codebook - number of tracks in algebraic fixed codebook search with 4 tracks */
#define NB_POS_FCB_4T 16 /* Algebraic codebook - number of positions in algebraic fixed codebook search with 4 tracks */
#define NB_PULSE_MAX 36
#define NPMAXPT ((NB_PULSE_MAX+NB_TRACK_FCB_4T-1)/NB_TRACK_FCB_4T)
#define GAIN_PRED_ORDER 4 /* Gain quantization - prediction order for gain quantizer (only for AMR-WB IO mode) */
#define MEAN_ENER 30 /* Gain quantization - average innovation energy */
#define DTX_HIST_SIZE 8 /* CNG & DTX - number of last signal frames used for CNG averaging */
#define CNG_ISF_FACT_FX 29491 /* Q15(0.9), CNG & DTX - CNG spectral envelope smoothing factor*/
#define STEP_AMR_WB_SID_FX 10752 /* Q12 */
#define HO_HIST_SIZE 8 /* CNG & DTX - maximal number of hangover frames used for averaging */
#define NUM_ENV_CNG 20
#define BUF_L_NRG_FX 22938 /* Q15(0.7), CNG & DTX - lower threshold offset for hangover updates */
#define ONE_OVER_BUF_H_NRG_FX 31814 /* Q15(1/1.03), CNG & DTX - inverse of higher threshold offset for hangover updates */
#define HO_ATT_FAC_FX 3277 /* Q15(0.1), CNG & DTX - Hangover frame attenuation rate factor */
#define BUF_DEC_RATE 25 /* CNG & DTX - buffer size decrease rate for active frames */
#define STEP_SID_FX 21504 /* Q12 */
#define ISTEP_SID_FX 6242 /* Inverse of CNG & DTX - CNG energy quantization step in Q15(1/5.25 in Q15)*/
#define ISTEP_AMR_WB_SID_FX 12483 /* Q15(1/2.625) Inverse of CNG & DTX - CNG energy quantization step */
#define MIN_ACT_CNG_UPD 20 /* DTX - Minimum number of consecutive active frames for CNG mode update */
#define FIXED_SID_RATE 8 /* DTX SID rate */
#define TOTALNOISE_HIST_SIZE 4
/************************************************************************/
/************************************************************************/
#define SUBFFT_QIN 10
#define DATAFFT_Q 5
#define SUBFFT_QOUT SUBFFT_QIN-DATAFFT_Q
#define SPECAMP_Q SUBFFT_QIN
#define CLDFBVAD_NB_ID 1
#define CLDFBVAD_WB_ID 2
#define CLDFBVAD_SWB_ID 3
#define CLDFBVAD_FB_ID 4
#define SP_CENTER_NUM 4
#define TONA_NUM 3
#define PRE_SNR_NUM 32
#define PRE_FLAG_NUM 64
#define POWER_NUM 56
#define PRE_SPEC_DIF_NUM 56
#define CLDFBVAD_VAD_ON 1
#define COM_VAD_ON 2
#define MAX_SUBBAND_NUM 12 /* max number of sub-band divided non-uniformly*/
#define BG_ENG_NUM MAX_SUBBAND_NUM /* number of energy of sub-band divided non-uniformly*/
#define MIN_AMP_ID 5
#define MAX_AMP_ID 64
#define SPEC_AMP_NUM (MAX_AMP_ID-MIN_AMP_ID+1)
#define STABLE_NUM 4 /* number of time-domain stable rate*/
#define SFM_NUM 3 /* number of spectral flatness */
#define MAX_CORR_SHIFT_FX 16384 /* corrshift limit, 0.5 in Q15 */
#define START_NG 5 /* Stationary noise UV modification */
#define FULL_NG 10 /* Stationary noise UV modification */
#define ISP_SMOOTHING_QUANT_A1_FX 29491 /* 0.9f in Q15 */ /* Stationary noise UV modification */
#define KP559016994_FX 18318 /* EDCT & EMDCT constants */
#define KP951056516_FX 31164 /* EDCT & EMDCT constants */
#define KP587785252_FX 19261 /* EDCT & EMDCT constants */
#define KP866025403_FX 28378 /* EDCT & EMDCT constants */
#define KP250000000_FX 8192 /* EDCT & EMDCT constants */
#define FEC_BITS_CLS 2 /* FEC - number of bits for clas information */
#define FEC_BITS_ENR 5 /* FEC - number of bits for energy information */
#define FEC_ENR_STEP (96.0f/(1<<FEC_BITS_ENR))
#define FEC_ENR_QLIMIT ((1<<FEC_BITS_ENR)-1)
#define FEC_BITS_POS 8 /* FEC - number of bits for glottal pulse position */
#define L_SYN_MEM_CLAS_ESTIM (2*PIT16k_MAX - L_FRAME16k) /* FEC - memory of the synthesis signal for frame class estimation */
#define L_SYN_CLAS_ESTIM (L_SYN_MEM_CLAS_ESTIM + L_FRAME16k) /* FEC - length of the synthesis signal buffer for frame class estimation */
#define FRAME_COUNT 100 /* threshold of frame counter */
#define AUDIO_COUNTER_INI 200 /* Counter initialization */
#define AUDIO_COUNTER_STEP 10 /* Counter increase on each audio frame */
#define AUDIO_COUNTER_MAX 1000 /* Counter saturation */
#define BWD_TOTAL_WIDTH 320 /* BWD width */
#define BWD_COUNT_MAX 100 /* maximum value of BWD counter */
#define PREEMPH_FAC 22282 /* preemphasis factor at 12.8kHz (0.68f in 0Q15) */
#define PREEMPH_FAC_16k 23593 /* preemphasis factor at 16kHz (0.72f in 0Q15) */
#define PREEMPH_FAC_SWB 29491 /* preemphasis factor for super wide band (0.9f in 0Q15) */
#define GAMMA1 30147 /* weighting factor (numerator) default:0.92 (0Q15format) */
#define GAMMA1_INV 17809 /* weighting factor (numerator) default:0.92 (1Q14format) */
#define GAMMA16k 30802 /* weighting factor (numerator) default:0.94 (0Q15format) */
#define GAMMA16k_INV 17430 /* weighting factor (numerator) default:0.94 (1Q14format) */
#define FORMANT_SHARPENING_G1 24576 /* Formant sharpening numerator weighting at 12.8kHz (0.75f) */
#define FORMANT_SHARPENING_G2 29491 /* Formant sharpening denominator weighting at 12.8kHz (0.9f) */
#define FORMANT_SHARPENING_G1_16k 26214 /* Formant sharpening numerator weighting at 16kHz (0.8f) */
#define FORMANT_SHARPENING_G2_16k 30147 /* Formant sharpening denominator weighting at 16kHz (0.92f) */
#define LD_FSCALE_DENOM 9
#define FSCALE_DENOM (1 << LD_FSCALE_DENOM)
#define FSCALE_DENOM_HALF FSCALE_DENOM/2
#define FSCALE_E 2
#define ACELP_FIXED_CDK_NB 41
#define L_FIR 31
/*----------------------------------------------------------------------------------*
* ACELP@16kHz core constants
*----------------------------------------------------------------------------------*/
#define NB_SUBFR16k 5 /* number of subframes per frame @16kHz */
#define INT_FS_16k 16000 /* CELP core internal sampling frequency @16kHz */
#define PIT16k_MIN 42 /* Minimum pitch lag @16kHz */
#define PIT16k_MAX 289 /* Maximum pitch lag @16kHz */
#define PIT16k_FR2_TC0_2SUBFR 83 /* Minimum pitch lag with resolution 1/2 @16kHz for TC02, 2nd subframe */
#define PIT16k_MIN_EXTEND 21 /* Minimum pitch lag of extended range @16kHz */
#define PIT16k_FR2_EXTEND_9b 88 /* Minimum 9 bit pitch lag with resolution 1/2 of extended range @16kHz */
#define PIT16k_FR1_EXTEND_9b 130 /* Minimum 9 bit pitch lag with resolution 1 of extended range @16kHz */
#define PIT16k_FR2_EXTEND_10b 264 /* Minimum 10 bit pitch lag with resolution 1/2 of extended range @16kHz */
#define WIDTH_BAND 8 /* sub-band width in AVQ coding */
#define G_AVQ_MIN_FX 6554 /* Q13 */
#define G_AVQ_MIN_DIV10_FX 655 /* Q13 */
#define G_AVQ_MAX_FX 6144 /* Q6 */
#define FAC_PRE_AVQ_FX 9830 /* preemhasis factor in ACELP pre-quantizer (0.3 in Q15) */
#define G_AVQ_MIN_INACT_Q12 2867 /* lower limit for gain Q in higher-rate ACELP contribution, inactive segments (0.7 in Q12) */
#define G_AVQ_MIN_INACT_48k_Q12 1434 /* lower limit for gain Q in higher-rate ACELP contribution, inactive segments, 48 kbit/s (0.35 in Q12) */
#define G_AVQ_MIN_INACT_64k_Q12 1024 /* lower limit for gain Q in higher-rate ACELP contribution, inactive segments, 64 kbit/s (0.25 in Q12 )*/
#define G_AVQ_DELTA_INACT_Q12 221 /* (4.1 - 0.7) / ((1 << G_AVQ_BITS) - 1) in Q12 */
#define G_AVQ_DELTA_INACT_48k_Q12 159 /* (2.8 - 0.35) / ((1 << G_AVQ_BITS) - 1) */
#define G_AVQ_DELTA_INACT_64k_Q12 81 /*(1.5 - 0.25) / ((1 << G_AVQ_BITS) - 1) */
#define G_AVQ_BITS 6 /* number of bits to quantize the AVQ gain in higher-rate ACELP contribtuion */
#define G_PITCH_MIN_Q14 0
#define G_PITCH_MAX_Q13 9994/*1.22 */
#define G_PITCH_MAX_Q14 19988 /* 1.22 in Q14 */
#define G_CODE_MIN_FX 164 /* Q13 */
#define G_CODE_MAX_FX 320 /* Q6 */
#define G_PITCH_MIN_TC192_Q14 1638
#define G_PITCH_MAX_TC192_Q14 15565 /* 0.95 in Q14 */
#define G_PITCH_MAX_MINUS_MIN_TC192_Q13 6963/*(G_PITCH_MAX_TC192 - G_PITCH_MIN_TC192) */
#define G_CODE_MIN_TC192_Q15 19661
#define G_CODE_MIN_TC192_FX 4915 /* Q13 */
#define G_CODE_MAX_TC192_Q0 41
/*--------------------------------------------------------------*
* ACELP constants
*---------------------------------------------------------------*/
#define MODE_MAX 15
#define NB_PULSES_MAX 15
#define ACELP_GAINS_CONST 0.8f /* ACELP - adaptive codebook gain constraint */
/*--------------------------------------------------------------*
* TCX constants
*---------------------------------------------------------------*/
#define NOISE_FILL_RANGES 1 /* CURRENTLY BROKEN for NOISE_FILL_RANGES > 1! For dividing spectrum into multiple ranges, define NOISE_FILL_RANGES > 1. For each region one noise filling level will be transmited */
#define NBITS_NOISE_FILL_LEVEL 3 /* Number of bits used for coding noise filling level for each range */
#define MIN_NOISE_FILLING_HOLE 8
#define HOLE_SIZE_FROM_LTP(gain) (add(4, extract_h(L_shr(L_mult0(gain, 0x6666), 10)))) /* 0x6666 -> 2.0*(4.0/0.625) (4Q11) */
#define FDNS_NPTS 64
#define AVG_TCX20_LSF_BITS 40
#define AVG_TCX10_LSF_BITS 59
#define LTPSIZE 3
#define TCXLTP_DELAY_NS 250000
#define TCXLTP_MAX_DELAY NS2SA(48000,TCXLTP_DELAY_NS)
#define TCXLTP_LTP_ORDER 24
#define TCX_RES_Q_BITS_GAIN 3
#define LPC_SHAPED_ARI_MAX_RATE ACELP_9k60
#define N_MAX_ARI 800
#define SPEC_EXP_DEC 20 /* initial decoder spectrum exponent */
/*----------------------------------------------------------------------------------*
* TNS constants
*----------------------------------------------------------------------------------*/
#define R1_48 690
#define R2_48 420
#define R1_16 230
#define R2_16 140
#define R1_25 368
#define R2_25 224
#define TNS_MAX_NUM_OF_FILTERS 2 /* TNS maximum number of filters */
#define TNS_MAX_FILTER_ORDER 8 /* TNS maximum filter order */
#define ITF_MAX_FILTER_ORDER 16 /* ITF maximum filter order */
#define NPRM_TNS (2+TNS_MAX_NUM_OF_FILTERS*(3+TNS_MAX_FILTER_ORDER)) /* TNS total number of quantized parameters */
#define NPRM_RESQ 100 /* Maximum number of parameter for residual Q in TCX */
#define NPRM_CTX_HM 3 /* Number of Parameters for Context HM : flag+index */
#define NPRM_DIV (2+NPRM_TNS+N_MAX/2+NPRM_RESQ+NPRM_CTX_HM) /* Total number of quantized parameter in 1 division */
#define DEC_NPRM_DIV NPRM_DIV /* Total number of quantized parameter in 1 division (decoder side) */
#define NPRM_LPC_NEW 2*(4+2*NB_SPHERE) /* LPC total number of quantized parameters */
#define BITBUFSIZE (128000/50)
#define TNS_COEF_RES 4 /* Bit resolution of the coefficients. */
#define INDEX_SHIFT (1 << (TNS_COEF_RES-1)) /* For shifting the index so that index 0 points to 0. */
/*----------------------------------------------------------------------------------*
* LSF quantization constants
*----------------------------------------------------------------------------------*/
#define GENERIC_MA_LIMIT 9600
#define SPC_FX 770 /* q15 */
#define SPC_PLUS_FX 771
#define LSF_GAP_FX 128 /*50.0f x 2.56*/
#define MODE1_LSF_GAP_FX 179 /* MODE1_LSF_GAP*2.56 */ /* Minimum LSF separation for end-frame ISFs */
#define FREQ_MAX 16384 /*6400Hz in 14Q1*1.28 */
#define FREQ_DIV 800 /*400.0f in 14Q1 */
#define LSF_BITS_CNG 29
#define ISF_GAP_FX 128 /* Minimum ISF separation for end-frame ISFs (only in AMR-WB IO mode) */
#define LSF_GAP_MID_FX 205 /* 80.0 * 2.56 */ /* Minimum LSF separation for mid-frame LSFs */
#define PREFERSFNET_FX 1638 /* 0.05 in Q16*/
#define SFNETLOWLIMIT_WB 3670016 /* 2.56x2.56*Q4 LSF quantizer - new sampling rate dependent thresholds used in LSF codebook decision logic, WB case */
#define SFNETLOWLIMIT_NB 3984589 /* 2.56x2.56*Q4 LSF quantizer - new sampling rate dependent thresholds used in LSF codebook decision logic, NB case */
#define LSFMBEST 2 /* number of survivors from one stage to another */
#define STREAKLEN 3 /* Allow this many predictive frames, before starting limiting, For voiced +3 frames allowed */
#define STREAKMULT_FX 26214 /* Exponential limiting multiplier */
#define LSFMBEST_MAX 16
#define TCXLPC_NUMSTAGES 3
#define TCXLPC_NUMBITS 13
#define TCXLPC_IND_NUMSTAGES 1
#define TCXLPC_IND_NUMBITS 2
#define TCXLPC_LSF_GAP 204 /* 80 in 14Q1*1.28 */
#define kMaxC 8
#define MAX_VQ_STAGES 4 /* Maximum number of LSF VQ (3 trained and 1 LVQ) stages allowed */
#define MAX_VQ_STAGES_USED 9 /*this is the maximum number of stages currently used and changing this will affect the memory allocated MAX_VQ_STAGES is also used as offset for addressing some arrays, so this should NOT be changed*/
#define LEN_INDICE 15
#define LATTICE_DIM 8
#define NO_LEADERS 49
#define MAX_NO_BR_LVQ 28
#define MAX_NO_SCALES 3
#define MAX_NO_VALS 4
#define CNG_LVQ_MODES 16
#define MAX_NO_MODES 128
#define START_CNG 112
#define MAX_NO_MODES_p 145
#define NO_CODING_MODES 6
#define LVQ_COD_MODES 18
/* BC-TCQ */
#define N_STAGE_VQ 8
#define N_DIM 2
#define NUM_SUBSET 8
#define OP_LOOP_THR_HVO 1550146 /* 80% : Open-loop Threshold 2.56*2.56/16 */
#define NUM_STATE 16 /* BC-TCQ - Number of state of the Trellis */
#define N_STAGE 16 /* BC-TCQ - Smaple number in a frame */
#define SIZE_BK1 256
#define SIZE_BK2 256
#define SIZE_BK21 64
#define SIZE_BK22 128
#define SIZE_BK23 128
#define SIZE_BK24 32
#define SIZE_BK25 32
#define SIZE_BK21_36b 128
#define SIZE_BK22_36b 128
#define SIZE_BK23_36b 64
#define NB_QUA_GAIN5B 32 /* Number of quantization level */
#define NB_QUA_GAIN6B 64 /* Number of quantization level */
#define NB_QUA_GAIN7B 128 /* Number of quantization level */
/*----------------------------------------------------------------------------------*
* Transient detection
*----------------------------------------------------------------------------------*/
#define NSUBBLOCKS 8 /* Number of subblocks per frame, one transient per a sub-block can be found */
#define MAX_TD_DELAY 2*NSUBBLOCKS /* Maximum allowed delay (in number of subblocks) of the transient detection, affects required memory */
#define NO_TCX 0
#define TCX_20 1
#define TCX_10 2
#define TCX_5 3
#define TRANSITION_OVERLAP (-2)
#define RECTANGULAR_OVERLAP (-1)
#define FULL_OVERLAP 0
#define NOT_SUPPORTED 1
#define MIN_OVERLAP 2
#define HALF_OVERLAP 3
/*----------------------------------------------------------------------------------*
* FEC constants
*----------------------------------------------------------------------------------*/
#define UNVOICED_CLAS 0 /* Unvoiced, silence, noise, voiced offset */
#define UNVOICED_TRANSITION 1 /* Transition from unvoiced to voiced components - possible onset, but too small */
#define VOICED_TRANSITION 2 /* Transition from voiced - still voiced, but with very weak voiced characteristics */
#define VOICED_CLAS 3 /* Voiced frame, previous frame was also voiced or ONSET */
#define ONSET 4 /* Voiced onset sufficiently well built to follow with a voiced concealment */
#define SIN_ONSET 5 /* Artificial harmonic+noise onset (used only in decoder) */
#define INACTIVE_CLAS 6 /* Inactive frame (used only in decoder) */
#define AUDIO_CLAS 7 /* Audio frame (used only in AMR-WB IO mode) */
#define BETA_FEC_FX 24576 /* FEC - weighting factor for LSF estimation in FER */
#define STAB_FAC_LIMIT_FX 8192 /* FEC - limit at which safety net is forced for next frame */
#define MODE1_L_FIR_FER 5 /* FEC - impulse response length for low- and high-pass filters in FEC */
#define L_FIR_FER 3 /* FEC - impulse response length for low- & high-pass filters in FER concealment*/
#define L_FIR_FER2 11 /* FEC - new filter tuning: 11*/
#define MAX_UPD_CNT 5 /* FEC - maximum number of frames since last pitch update */
/* attenuation strategy in case of FER */
#define _ALPHA_S_FX 19661
#define _ALPHA_V_FX 32767
#define _ALPHA_VT_FX 13107
#define _ALPHA_UT_FX 26214
#define _ALPHA_U_FX 13107
#define _ALPHA_U_FX_X_2 26214
#define _ALPHA_UU_FX 32767
#define PLC_MIN_CNG_LEV 328/*0.01f Q15*/
#define PLC_MIN_STAT_BUFF_SIZE 50 /* buffer size for minimum statistics */
#define G_LPC_RECOVERY_BITS 1
/*----------------------------------------------------------------------------------*
* Transition mode (TC) constants
*----------------------------------------------------------------------------------*/
/* Conversion of tc_subfr to index */
#define TC_SUBFR2IDX_16KHZ_fx(x) mac_r(1024L, (x), 512) /* -1 => 0, 0 => 0, 64 => 1, 128 => 2, 192 => 3, 256 => 4 */
#define TC_SUBFR2IDX_fx(x) add(s_min(3, s_max(0, sub((x), 1))), TC_SUBFR2IDX_16KHZ_fx(x))
#define L_IMPULSE 17 /* TC - length of one prototype impulse */
#define L_IMPULSE2 8 /* TC - half-length of one prototype impulse == floor(L_IMPULSE/2) */
#define NUM_IMPULSE 8 /* TC - number of prototype impulses */
#define N_GAIN_CODE_TC 8 /* TC - number of levels for gain_code quantization for subrames without glot. impulse(s) - */
#define N_GAIN_TC 8 /* TC - number of levels for gain_trans quantization */
/* TC - attention: DO NOT CHANGE the following constants - needed for correct bit-allocations */
#define TC_0_0 1 /* TC - subframe ID for TC: first glottal impulse in the 1st subframe, second in the 1st subframe */
#define TC_0_64 2 /* TC - subframe ID for TC: first glottal impulse in the 1st subframe, second in the 2nd subframe */
#define TC_0_128 3 /* TC - subframe ID for TC: first glottal impulse in the 1st subframe, second in the 3rd subframe */
#define TC_0_192 4 /* TC - subframe ID for TC: first glottal impulse in the 1st subframe, second in the 4th subframe */
/*----------------------------------------------------------------------------------*
* AVQ constants
*----------------------------------------------------------------------------------*/
#define NB_LDQ3 9 /* RE8 constants */
#define NB_LDQ4 27
#define NB_SPHERE 32
#define NB_LEADER 36
#define NSV_MAX 34 /* maximal number of sub-vectors used by the AVQ */
/*----------------------------------------------------------------------------------*
* Arithmetic coder
*----------------------------------------------------------------------------------*/
#define A_THRES_SHIFT 2
#define A_THRES (1<<A_THRES_SHIFT)
#define VAL_ESC 16
#define NBITS_CONTEXT 8
#define NBITS_RATEQ 2
#define cbitsnew 16
#define stat_bitsnew 14
#define ari_q4new (((long)1<<cbitsnew)-1)
#define ari_q1new (ari_q4new/4+1)
#define ari_q2new (2*ari_q1new)
#define ari_q3new (3*ari_q1new)
#define ari_q3newM1 (3*ari_q1new-1)
/* ari_hm.h */
#define kLtpHmFractionalResolution 7
#define kLtpHmFlag (1 << 8)
/* Max. number of coefficients (do not change) */
#define MAX_LENGTH L_FRAME_MAX
/*----------------------------------------------------------------------------------*
* TCQ constants
*----------------------------------------------------------------------------------*/
#define MAX_PULSES 560
#define MAX_POS 320
#define MAX_LEN MAX_PULSES
#define NUM_ENG_PACKED_WORDS 20 /* Storage for variable rate quantizer bits */
#define NORMAL_HQ_CORE 0 /* Signal use of Normal HQ core */
#define LOW_RATE_HQ_CORE 1 /* Signal use of Low Rate MDCT core */
#define LOW_RATE_HQ_CORE_TRAN 2 /* Signal use of Low Rate MDCT core Tran SWB */
#define NORM_MDCT_FACTOR L_FRAME8k /* Normalize Low Rate MDCT coefficients to this frame size */
#define BANDS_MAX (4*8)
#define MAX_GQLEVS 32 /* Max fine gain levels */
#define BITS_DE_CMODE 1
#define BITS_DE_HMODE 1
#define BITS_DE_8SMODE 1
#define MAXIMUM_ENERGY_LOWBRATE 255
#define MINIMUM_ENERGY_LOWBRATE -256
#define BITS_ABS_ENG 7
#define ABS_ENG_OFFSET 64
#define BITS_MAX_DEPTH 3
#define BITS_DE_8SMODE_N0 1
#define BITS_DE_8SMODE_N1 1
#define BITS_DE_8SPOS 5
#define BITS_DE_FCOMP 5
#define BITS_DE_LSB 1
#define DE_OFFSET0 46
#define DE_OFFSET1 32
#define DE_LIMIT 64
#define LRMDCT_BE_OFFSET 15
#define LRMDCT_BE_LIMIT 31
#define HQCORE_NB_MIN_RATE 7200 /* NB LR MDCT coding down to this bit rate */
#define HQCORE_WB_MIN_RATE 13200 /* WB LR MDCT coding down to this bit rate */
#define HQCORE_SWB_MIN_RATE 13200 /* SWB LR MDCT coding down to this bit rate */
#define LRMDCT_CROSSOVER_POINT 16400 /* Use LR MDCT core at this rate and below */
#define HTH_NORM 17
#define LTH_NORM 13
#define OFFSET_NORM 3
/*----------------------------------------------------------------------------------*
* SWB TBE constants
*----------------------------------------------------------------------------------*/
#define STEPSNUM 4 /* Number of steps in a2lsp routine for SHB LPC */
#define ALLPASSSECTIONS_STEEP 3 /* Size of all pass filters for interpolation and decimation by a factor of 2 */
#define INTERP_3_1_MEM_LEN 13
#define INTERP_3_2_MEM_LEN 15
#define L_SHB_LAHEAD 20 /* Size of lookahead for SHB */
#define NUM_SHB_SUBFR 16
#define LPC_SHB_ORDER 10
#define LPC_WHTN_ORDER 4 /* Order of whitening filter for SHB excitation */
#define SHB_OVERLAP_LEN (L_FRAME16k-L_SHB_LAHEAD)/(NUM_SHB_SUBFR-1)
#define QUANT_DIST_INIT (10000000000) /* Quantiser search distance initialisation */
#define HIBND_ACB_L_FAC 5/2 /* SHB Interpolation Factor */
#define NUM_HILBERTS 2
#define HILBERT_ORDER1 5
#define HILBERT_ORDER2 4
#define HILBERT_MEM_SIZE (HILBERT_ORDER1 + (2*HILBERT_ORDER2) + (2*HILBERT_ORDER2))
#define L_SHB_TRANSITION_LENGTH (2*NS2SA(48000, DELAY_BWE_TOTAL_NS))
#define ACELP_LOOK_12k8 NS2SA(INT_FS_FX, ACELP_LOOK_NS) /* SHB Low delay look-ahead at 12.8kHz */
#define NUM_BITS_SHB_SubGain 6
#define NUM_BITS_SHB_FrameGain 6
#define NUM_BITS_SHB_FrameGain_LBR_WB 4
#define RECIP_ROOT_EIGHT_FX 11585 /* 1.0 / sqrt(8.0) - constant Gain Shape over TD BWE subframes */
#define LPC_SHB_ORDER_WB 6
#define LPC_WHTN_ORDER_WB 2 /* Order of whitening filter for WB excitation */
#define NUM_BITS_WB_LSF 8
#define LPC_SHB_ORDER_LBR_WB 4
#define NUM_BITS_LBR_WB_LSF 2
#define COMP_FIL_ORDER 19
#define MAX_BIQ_N L_FRAME32k
#define NUM_SHB_SUBGAINS 4 /* Number of subframe gains */
#define NUM_BITS_SHB_SUBGAINS 5 /* Number of bits for subframe gains for SWB */
#define NUM_BITS_SHB_FRAMEGAIN 5 /* Number of bits for framegain for SWB */
#define NUM_BITS_SHB_ENER_SF 6
#define NUM_BITS_SHB_RES_GS 3
#define NUM_BITS_SHB_VF 3
#define NUM_BITS_SHB_SUBGAINS_RF 5 /* Number of bits for subframe gains for SWB in RF */
#define SHB_GAIN_QLOW_FX -262144 /* Q18*/ /* SHB gain lowest scalar quantizer value */
#define SHB_GAIN_QLOW_FX_16 -65536 /* SHB gain lowest scalar quantizer value */
#define SHB_GAIN_QDELTA_FX_15 4915 /* SHB gain scalar quantizer step size */
#define SHB_GAIN_QDELTA_FX_16 9830
#define SHB_GAIN_QDELTA_FX 19661 /* 0.15 in Q17*/
#define NUM_Q_LSF 5 /* Number of quantized LSFs */
#define MIRROR_POINT_BITS 2 /* Number of bits used to quantize mirror point */
#define MIRROR_POINT_Q_CB_SIZE 4 /* Size of codebook used to quantize mirror point */
#define MAX_LSF_FX_2 8192 /* Maximum value of the LSFs */
#define MAX_LSF_FX 16384 /* Maximum value of the LSFs */
#define MAX_LSF_FX_BY_2 8192 /* Maximum value of the LSFs */
#define NUM_MAP_LSF 5 /* Number of mapped LSFs */
#define NUM_LSF_GRIDS 4 /* Number of LSF grids */
#define NUM_LSF_GRID_BITS 2 /* Number of bits used for the LSF grids */
#define VF_0th_PARAM_FX 11141 /*.34*/
#define VF_1st_PARAM_FX 16384 /*.5*/
#define VF_2nd_PARAM_FX (VF_1st_PARAM_FX - VF_0th_PARAM_FX)
#define GAMMA0_FX 21299 /* Mean value of gamma1/gamma2 for formant PF */
#define GAMMA_SHARP_FX 4915 /* Largest sharpening for gamma1/gamma2 (0.83/0.67)*/
#define SWB_NOISE_MIX_FAC_FX 4915 /* 0.15f in Q15 */
#define SWB_TILT_LOW_FX 4096 /* Q12 1.0f Lower threshold for PF tilt adaptation */
#define SWB_TILT_HIGH_FX 8192 /* Q12 2.0f Higher threshold for PF tilt adaptation */
#define SWB_TILT_DELTA_FX 32767 /* Q15 (1.0f/(SWB_TILT_HIGH-SWB_TILT_LOW)) Inclination between thresholds */
#define HALF_POINT_FX (16384)
#define GAMMA3_PLUS_FX 6554 /* NB post-filter - tilt weighting factor when k1>0 */
#define GAMMA3_MINUS_FX 29491 /* NB post-filter - tilt weighting factor when k1<0 */
#define GAMMA3_PLUS_WB_FX 21299 /* WB post-filter */
#define GAMMA3_MINUS_WB_FX 27853 /* WB post-filter */
#define AGC_FAC_WB_FX 27853 /* WB post-filter - gain adjustment factor */
#define AGC_FAC1_WB_FX (Word16)(32768L-AGC_FAC_WB_FX) /* WB post-filter - gain adjustment factor complement */
/* SWB TBE, FX only constants */
#define NOISE_QFAC 6
#define NOISE_QADJ (15-NOISE_QFAC)
/*----------------------------------------------------------------------------------*
* SWB BWE constants
*----------------------------------------------------------------------------------*/
#define INV_L_SUBFR16k_FX 410 /*Q15 */
#define SWB_L_SUBFR 160
#define FB_L_SUBFR 240
#define SWB_FENV 14
#define WB_FENV 2
#define FB_GAIN_QLOW_FX 0
#define FB_GAIN_QDELTA_FX 512 /*Q14 */
#define NUM_BITS_FB_FRAMEGAIN 4 /* Number of bits for framegain for FB */
#define FB_BAND_BEGIN 620
#define FB_BAND_END 800
#define FB_BAND_WIDTH 180
#define N_CAND 2
#define N_CB11 32 /* 5bits */
#define N_CB1ST 128 /* 7bits */
#define N_CB2ND 64 /* 6bits */
#define N_CB3RD 32 /* 5bits */
#define N_CB4TH 64 /* 6bits */
#define DIM1ST 3
#define DIM2ND 4
#define DIM3RD 3
#define DIM4TH 4
#define DIM11 (DIM1ST+DIM2ND)
#define DIM12 (DIM3RD+DIM4TH)
#define N_CAND_TR 3
#define N_CB_TR1 128
#define N_CB_TR2 64
#define DIM_TR1 2
#define DIM_TR2 2
#define SWB_FENV_TRANS 4
#define SWB_TENV 4
#define NUM_SHARP 9
#define SHARP_WIDTH 32
#define HARMONIC 3
#define NORMAL 2
#define TRANSIENT 1
#define NOISE 0
/*----------------------------------------------------------------------------------*
* HR SWB BWE constants
*----------------------------------------------------------------------------------*/
#define NSV_OVERLAP 2 /* number of sub-bands overlaping with lower-band (0-8kHz) */ /* note that NSV_MAX >= END_FREQ_BWE_FULL/(8*50) + NSV_OVERLAP ! */
#define N_BANDS_BWE_HR 4 /* number of frequency bands in non-transient frame */
#define N_BANDS_TRANS_BWE_HR 2 /* number of frequency bands in transient frame */
#define END_FREQ_BWE 14400 /* maximum frequency coded by AVQ */
#define END_FREQ_BWE_FULL 16000 /* maximum frequency coded by HR SWB BWE */
#define END_FREQ_BWE_FULL_FB 20000 /* maximum frequency coded by HR FB BWE */
#define NBITS_GLOB_GAIN_BWE_HR 5 /* number of bits of the global gain quantizer */
#define MIN_GLOB_GAIN_BWE_HR 3 /* minimum value of the global gain quantizer */
#define MAX_GLOB_GAIN_BWE_HR 500 /* maximum value of the global gain quantizer */
#define NBITS_ENVELOPE_BWE_HR1 6 /* number of bits for envelope VQ - first two subbands in non-transient frame */
#define NBITS_ENVELOPE_BWE_HR2 5 /* number of bits for envelope VQ - second two subbands in non-transient frame */
#define NBITS_ENVELOPE_BWE_HR_TR 4 /* number of bits for envelope VQ - two subbands in transient frame */
#define NUM_ENVLOPE_CODE_HR1 64 /* dimension of envelope VQ - first two subbands in non-transient frame */
#define NUM_ENVLOPE_CODE_HR2 32 /* dimension of envelope VQ - second two subbands in non-transient frame */
#define NUM_ENVLOPE_CODE_HR_TR 16 /* dimension of envelope VQ - two subbands in transient frame */
#define NUM_ENVLOPE_CODE_HR_TR2 8 /* dimension of envelope VQ - two subbands in transient frame */
#define NUM_NONTRANS_START_FREQ_COEF (L_FRAME32k/2 - NSV_OVERLAP*WIDTH_BAND) /* start frequency coefficient (==7.6kHz) in non-transient frame */
#define NUM_NONTRANS_END_FREQ_COEF (L_FRAME32k*END_FREQ_BWE/END_FREQ_BWE_FULL) /* end frequency coefficient (==14.4kHz) in non-transient frame */
#define NUM_TRANS_START_FREQ_COEF (NUM_NONTRANS_START_FREQ_COEF/NUM_TIME_SWITCHING_BLOCKS) /* start frequency coefficient (==7.6kHz) in transient frame */
#define NUM_TRANS_END_FREQ_COEF (NUM_NONTRANS_END_FREQ_COEF/NUM_TIME_SWITCHING_BLOCKS) /* end frequency coefficient (==14.4kHz) in transient frame */
#define NUM_TRANS_END_FREQ_COEF_EFF 140
#define WIDTH_NONTRANS_FREQ_COEF ((NUM_NONTRANS_END_FREQ_COEF - NUM_NONTRANS_START_FREQ_COEF)/N_BANDS_BWE_HR) /* number of coefficients per band in non-transient frame */
#define WIDTH_TRANS_FREQ_COEF ((NUM_TRANS_END_FREQ_COEF - NUM_TRANS_START_FREQ_COEF)/N_BANDS_TRANS_BWE_HR) /* number of coefficients per band in transient frame */
#define NBITS_THRESH_BWE_HR 400 /* BWE HR number of bits threshold */
#define NBITS_HF_GAIN_BWE_HR 2 /* number of bits for HF (noncoded) energy estimation */
#define BWE_HR_TRANS_EN_LIMIT1_FX_Q16 6554
#define BWE_HR_TRANS_EN_LIMIT2_FX_Q16 19661
#define BWE_HR_TRANS_EN_LIMIT3_FX_Q16 32767
#define BWE_HR_NONTRANS_EN_LIMIT1_FX_Q15 16384 /* 0.5 */
#define BWE_HR_NONTRANS_EN_LIMIT2_FX_Q14 19661 /* 1.2 */
#define BWE_HR_NONTRANS_EN_LIMIT2_FX_Q15 16384
#define BWE_HR_NONTRANS_EN_LIMIT3_FX_Q15 26214 /* 0.8 */
/*----------------------------------------------------------------------------------*
* FD CNG
*----------------------------------------------------------------------------------*/
#define DELTA 1e-20f
#define DELTA_MANTISSA_W16 0x5e73
#define DELTA_MANTISSA_W32 0x5e728433
#define DELTA_EXPONENT (-66)
#define CLDFB_SCALING 24576/*1.5 Q14*/ /* Q 2.14 */
#define FFTLEN 640
#define FFTLEN2 (FFTLEN/2)
#define CORECLDFBLEN 20
#define TOTCLDFBLEN 40
#define FFTCLDFBLEN (FFTLEN2+TOTCLDFBLEN-CORECLDFBLEN)
#define PERIODOGLEN (FFTLEN2-2)
#define NPART 24
#define NPARTCLDFB 10
#define NPART_SHAPING 62
#define MSSUBFRLEN 12
#define MSNUMSUBFR 6
#define MSBUFLEN 5
#define NOISE_HEADROOM 5 /* headroom of noise in generate_masking_noise */
#define MSALPHACORALPHA 22938/*0.7f Q15*/
#define MSALPHACORALPHA2 9830/*0.3f Q15*/
#define MSALPHACORMAX 9830/*0.3f Q15*/
#define MSALPHAMAX 31457/*0.96f Q15*/
#define MSALPHAHATMIN 107374184l/*0.05f Q31*/
#define MSQEQINVMAX 6554/*1.f/5.f Q15*/
#define MSAV 17367/*2.12f Q13*/
#define MSAV_EXP 2
#define MSBETAMAX 1717986944l/*0.8f Q31*/
#define MSBETAMAX_SQRT 1920767767l/*0.894427191 Q31*/ /* sqrt(MSBETAMAX) */
#define MSSNREXP -10240/*-0.02f/0.064f Q15*/
#define NB_LAST_BAND_SCALE 26214/*0.8f Q15*/
#define SWB_13k2_LAST_BAND_SCALE 26214/*0.8f Q15*/
#define M_MAX 32
#define NSTAGES_MAX 9
#define MBEST_MAX 8
#define N_GAIN_MIN 4
#define N_GAIN_MAX 17
#define numSlots_inv_EXP (-3)
#define PREEMPH_COMPENSATION_EXP 4
#define CLDFBscalingFactor_EXP (-15)
#define CLDFBinvScalingFactor_EXP ( 16)
#define CNG_NORM_RECIPROCAL_RANGE_SHIFT 2
#define CNG_RAND_GAUSS_SHIFT 2
#define CNA_MAX_BRATE 13200
/*----------------------------------------------------------------------------------*
* Bass post-filter constants
*----------------------------------------------------------------------------------*/
#define NBPSF_PIT_MAX (PIT16k_MAX+1) /* maximum pitch value for bass post-filter */
#define L_TRACK_HIST 10
/*----------------------------------------------------------------------------------*
* NB post-filter constants
*----------------------------------------------------------------------------------*/
#define LONG_H_ST 20 /* NB post-filter - impulse response length */
#define GAMMA1_PST12K_FX 24576 /* denominator weighting factor 12K (0.75 in Q15) */
#define GAMMA2_PST12K_FX 22938 /* numerator weighting factor 12K (0.7 in Q15) */
#define POST_G1_FX GAMMA1_PST12K_FX /* 12 kbps default */
#define POST_G2_FX GAMMA2_PST12K_FX /* 12 kbps default */
#define GAMMA1_PST12K_MIN_FX 21299 /* 0.65 in Q15 */
#define GAMMA2_PST12K_MIN_FX 18022 /* 0.55 in Q15 */
#define GAMMA1_PST12K_NOIS_FX 4915 /* 0.15 in Q15 */
#define GAMMA2_PST12K_NOIS_FX 3277 /* 0.10 in Q15 */
#define F_UP_PST 8 /* NB post-filter - resolution for fractionnal delay */
#define LH2_S 4 /* NB post-filter - length of INT16 interp. subfilters */
#define LH2_L 16 /* NB post-filter - length of long interp. subfilters */
#define LH_UP_S (LH2_S/2)
#define LH_UP_L (LH2_L/2)
#define LH2_L_P1 (LH2_L + 1)
#define DECMEM_RES2 (PIT16k_MAX + 2 + LH_UP_L)
#define SIZ_RES2 (DECMEM_RES2 + L_SUBFR)
#define SIZ_Y_UP ((F_UP_PST-1) * (L_SUBFR+1))
#define SIZ_TAB_HUP_L ((F_UP_PST-1) * LH2_L)
#define SIZ_TAB_HUP_S ((F_UP_PST-1) * LH2_S)
#define BG1_FX -328 /* -0.01 in Q15 */
#define BG2_FX -1638 /* -0.05 in Q15 */
#define CG1_FX 29491 /* 0.9 in Q15 */
#define CG2_FX 47514L /* 1.45 in Q15 */
#define C_LP_NOISE_FX 819 /* 0.1/4.0 in Q15 */
#define CK_LP_NOISE_FX 6291456L /* 15.0 * 0.1/4 in Q8 * 65536 */
#define LP_NOISE_THR_FX 6400 /* 25.0 in Q8 */
/*----------------------------------------------------------------------------------*
* Stability estimation
*----------------------------------------------------------------------------------*/
#define NB_BFI_THR 2 /* threshold for counter of last bad frames */
#define MAX_LT 40
#define TH_0_MIN_FX 5120 /* 2.5f in Q11 */
#define TH_1_MIN_FX 3840 /* 1.875f in Q11 */
#define TH_2_MIN_FX 3200 /* 1.5625f in Q11 */
#define TH_3_MIN_FX 2688 /* 1.3125f in Q11 */
/*----------------------------------------------------------------------------------*
* Speech/music classifier constants
*----------------------------------------------------------------------------------*/
#define N_FEATURES 12 /* number of features */
#define N_MIXTURES 6 /* number of mixtures */
#define M_LSP_SPMUS 6 /* number of LSPs used in speech/music classifier */
#define NB_BANDS_SPMUS 15
#define START_BAND_SPMUS 2
#define N_OLD_BIN_E 42
#define LOWEST_FBIN 3 /* lowest frequency bin for feature vector preparation */
#define HIGHEST_FBIN 70 /* highest frequency bin for feature vector preparation */
#define HANG_LEN_INIT 8 /* number of frames for hang-over (causes delay of decision) */
#define HANG_LEN 8
#define BUF_LEN 60
#define L_OVR 8
#define N_FEATURES_2 3 /* number of features */
/*----------------------------------------------------------------------------------*
* LD music post-filter constants
*----------------------------------------------------------------------------------*/
#define TH_0_MIN2_FX 3840 /* Q11 -> 1.875 */
#define TH_1_MIN2_FX 2560 /* Q11 -> 1.25 */
#define TH_2_MIN2_FX 1920 /* Q11 -> 0.9375 */
#define TH_3_MIN2_FX 1280 /* Q11 -> 0.625 */
#define DCT_L_POST 640
#define OFFSET2 192
#define VOIC_BINS_HR 640
#define BIN_16kdct (6400/DCT_L_POST)
#define NB_LIMIT_BAND 16
#define MBANDS_GN_LD 20 /* number of bands for gain coding in the postfilter */
/*----------------------------------------------------------------------------------*
* AC mode (GSC) constants
*----------------------------------------------------------------------------------*/
#define NOISE_LEVEL_SP0 8
#define NOISE_LEVEL_SP1a 9
#define NOISE_LEVEL_SP1 10
#define NOISE_LEVEL_SP2 12
#define NOISE_LEVEL_SP3 14
#define MAX_DYNAMIC 82
#define MIN_DYNAMIC 50
#define DYNAMIC_RANGE (MAX_DYNAMIC-MIN_DYNAMIC)
#define MAX_GSC_NF_BITS 3
#define GSC_NF_STEPS (1 << MAX_GSC_NF_BITS)
#define CRIT_NOIS_BAND 23
#define SSF 32 /* Sub-subframe length for energy estimation in UC decision */
#define NB_SSF (L_FRAME / SSF) /* number of sub-subframes per frame */
#define MBANDS_GN 16 /* Number of band for gain coding in GSC */
#define BAND1k2 3
#define MBANDS_LOC (MBANDS_GN-1)
#define SWNB_SUBFR 1
#define VAR_COR_LEN 10
#define CFREQ_BITRATE ACELP_11k60
#define LT_UV_THR 100
#define LT_UV_THRMID 70
#define PIT_EXC_L_SUBFR L_FRAME
#define LOCAL_CT VOICED
#define Q_PVQ_OUT 10
/*----------------------------------------------------------------------------------*
* Core Switching constants
*----------------------------------------------------------------------------------*/
#define SWITCH_MAX_GAP 360 /* 6.25 + 1.25 of filter mem max */
/*----------------------------------------------------------------------------------*
* HQ core constants
*----------------------------------------------------------------------------------*/
#define HQ_NORMAL 0
#define HQ_TRANSIENT 1
#define HQ_HARMONIC 2
#define HQ_HVQ 3
#define HQ_GEN_SWB 4
#define HQ_GEN_FB 5
#define PREECHO_SMOOTH_LEN 20
#define MAX16B 32767
#define MIN16B (-32768)
#define ALDO_WINDOW 4
#define WINDECAY48 1230
#define WINDECAY48_256 656
#define WINDECAY16 410
#define N16_CORE_SW 90
#define N_ZERO_8 45
#define SWITCH_OVERLAP_8k 15
#define SWITCH_GAP_LENGTH_8k 50
#define MAX_SEGMENT_LENGTH 480
#define NUM_TIME_SWITCHING_BLOCKS 4
#define NUM_MAP_BANDS 20
#define NUM_MAP_BANDS_HQ_24k4 17
#define NUM_MAP_BANDS_HQ_32k 18
#define FREQ_LENGTH 800
#define STOP_BAND 800
#define SFM_G1 16
#define SFM_G1G2 24
#define SFM_N_NB 18
#define SFM_N_WB 26
#define SFM_N_STA_8k 27
#define SFM_N_STA_10k 30
#define SFM_N_ENV_STAB SFM_N_STA_8k /* Number of bands for env_stab stability measure */
#define SFM_N_ENV_STAB_WB SFM_N_WB /* Number of bands for env_stab stability measure used in HQPLC decision for WB signals */
#define SFM_N_HARMONIC 39
#define SFM_N 36
#define L_HQ_WB_BWE 20 /* == band_end_wb[SFM_N_WB-1] - (band_start_wb[SFM_N_WB-1]+12) */
#define N_INTL_GRP_16 2 /* Number of interleaving band groups at 16kHz samplerate */
#define N_INTL_GRP_32 2 /* Number of interleaving band groups at 32kHz samplerate */
#define N_INTL_GRP_48 3 /* Number of interleaving band groups at 48kHz samplerate */
#define SFM_N_SWB 39
#define SFM_N_HARM 31
#define SFM_N_HARM_FB 33
#define NB_SFM 44
#define NB_SFM_MAX 58
#define WID_G1 8
#define WID_G2 16
#define WID_G3 24
#define WID_GX 32
#define NUMC_N 544
#define HQ_MAX_BAND_LEN 96 /* Largest bandwidth in HQ mode (band_len_harm[32]) */
#define HVQ_PVQ_BUF_LEN (HVQ_PVQ_COEFS*(MAX_PVQ_BANDS-1) + HQ_MAX_BAND_LEN) /* 24*7+96 = 216 */
#define QBIT_MAX2 9
#define FLAGN_BITS 1
#define GAIN0_BITS 5
#define GAINI_BITS 5
#define FLAGS_BITS 2
#define FLAGS_BITS_FB 3
#define NORM0_BITS 5
#define NORMI_BITS 5
#define NUMNRMIBITS_SWB_STA_8k 5*(SFM_N_STA_8k-1)
#define NUMNRMIBITS_SWB_STA_10k 5*(SFM_N_STA_10k-1)
#define NUMNRMIBITS_SWB_HARMONIC 185
#define NUMNRMIBITS_SWB 190
#define NUMNRMIBITS 215
#define NUMNRMIBITS_WB 125
#define NOHUFCODE 0
#define HUFCODE 1
#define HUFF_THR 10
#define NOSUPERPOSITION 40
#define MAXVALUEOFFIRSTGAIN_FX 20480 /*2.5f in Q13 */
#define MINVALUEOFFIRSTGAIN_FX -20480
#define NOOFGAINBITS1 6
#define AUDIODELAYBITS 6
#define DELTAOFFIRSTGAIN_FX 2601 /*Q15 */
#define MAX_D1M_16k ((L_FRAME16k>>1) - NS2SA(16000,SWITCH_GAP_LENGTH_NS) - 16)
#define MAX_D1M_12k8 ((L_FRAME16k>>1) - NS2SA(16000,SWITCH_GAP_LENGTH_NS) - 20)
#define MAX_P_ATT 40 /* Maximum number of pulses for gain attenuation factor */
#define NB_G 4 /* Number of band groups */
#define MAX_GAIN_BITS 5 /* Maximum number of gain bits */
#define ENV_ADJ_START 6 /* Number of consecutive bands for which the attenuation is maximum */
#define ENV_ADJ_INCL 5 /* Inclination for mapping between attenuation region width and attenuation limit */
#define L_STAB_TBL 10 /* Number of elements in stability transition table */
#define LUMPED_ENV_SMOOTH_FAC_FX ((Word16)10089) /* Q19 (no typo error), 0.1/sqrt(27) */
#define CMPLMNT_ENV_SMOOTH_FAC_FX ((Word16)29491) /* Q15 0.9 */
#define M_STAB_TBL_FX ((Word16)21068) /* Q13, 2.571756 */
#define HALF_D_STAB_TBL_FX ((Word16) 422) /* Q13 0.1013138/2.0 */
#define D_STAB_TBL_FX ((Word16) 845) /* Q13 0.1013138 */
#define NUM_ENV_STAB_PLC_STATES 2 /* Number of states of markov model */
#define INV_NUM_ENV_STAB_PLC_STATES 16384 /* Q15 */
#define INV_STAB_TRANS_FX 16497 /* Q14. Equal to 1.0f/(1-2*stab_trans_fx[L_STAB_TBL-1]) */
#define ATT_LIM_HANGOVER 150 /* Number of hangover frames for disabling stability dependent attenuation */
#define START_EXC 60
#define L_HARMONIC_EXC 202
#define HQ_GENERIC_OFFSET 2
#define HQ_GENERIC_END_FREQ 560
#define HQ_GENERIC_FOFFSET_24K4 80
#define HQ_GENERIC_FOFFSET_32K 144
#define HQ_GENERIC_SWB_NBITS 31
#define HQ_GENERIC_SWB_NBITS2 30
#define HQ_GENERIC_FB_NBITS 5
#define HQ_GENERIC_ST_FREQ 224
#define HQ_GENERIC_LOW0 80
#define HQ_GENERIC_HIGH0 240
#define HQ_GENERIC_HIGH1 368
#define HQ_GENERIC_HIGH2 496
#define HQ_GENERIC_LEN0 128
#define HQ_GENERIC_NVQIDX 6
#define HQ_GENERIC_EXC0 0
#define HQ_GENERIC_EXC1 1
#define HQ_GENERIC_SP_EXC 2
#define DIM_FB 3
#define HQ_FB_FENV SWB_FENV + DIM_FB
#define N_CB_FB 32
#define HVQ_THRES_BIN_24k 224
#define HVQ_THRES_SFM_24k 22
#define HVQ_THRES_BIN_32k 320
#define HVQ_THRES_SFM_32k 25
#define HVQ_MIN_PEAKS 2
#define HVQ_MAX_PEAKS_32k 23
#define HVQ_MAX_PEAKS_24k 17
#define HVQ_MAX_PEAKS_24k_CLAS 20 /* Limit for HVQ mode */
#define HVQ_MAX_PEAKS HVQ_MAX_PEAKS_32k + 1
#define HVQ_NUM_SFM_24k (SFM_N_HARMONIC - 1 - HVQ_THRES_SFM_24k)
#define HVQ_NUM_SFM_32k (SFM_N_HARMONIC - 1 - HVQ_THRES_SFM_32k)
#define HVQ_MAX_RATE 32000
#define NUMNRMIBITS_SWB_HVQ_24k 35
#define NUMNRMIBITS_SWB_HVQ_32k 25
#define MAX_PVQ_BANDS 8
#define HVQ_MAX_PVQ_WORDS ((HVQ_MAX_RATE/50)/16 + MAX_PVQ_BANDS)
#define HVQ_MAX_POS_WORDS 40
#define HVQ_PVQ_COEFS 24
#define HVQ_BAND_MIN_PULSES 2
#define HVQ_BAND_MAX_BITS_24k 80
#define HVQ_BAND_MAX_BITS_32k 95
#define HVQ_NEW_BAND_BIT_THR 30
#define HVQ_NF_GROUPS 2
#define HVQ_NF_WEIGHT1_FX 31385 /* Q15 0.9578 - HVQ Classifier - Noise floor estimate weight 1 */
#define HVQ_NF_WEIGHT1B 1383 /* Q15, 1 - HVQ_NF_WEIGHT1_FX */
#define HVQ_NF_WEIGHT2_FX 21207 /* Q15 0.6472 - HVQ Classifier - Noise floor estimate weight 2 */
#define HVQ_NF_WEIGHT2B 11561 /* Q15 1 - HVQ_NF_WEIGHT2_FX */
#define HVQ_PE_WEIGHT1_FX 13840 /* Q15 0.42237 - HVQ Classifier - Peak envelope estimate weight 1 */
#define HVQ_PE_WEIGHT1B 18928 /* Q15, 1 - HVQ_PE_WEIGHT1_FX */
#define HVQ_PE_WEIGHT2_FX 26308 /* Q15 0.80285 - HVQ Classifier - Peak envelope estimate weight 2 */
#define HVQ_PE_WEIGHT2B 6460 /* Q15, 1 - HVQ_PE_WEIGHT2_FX */
#define HVQ_SHARP_THRES_FX 576 /*9 in Q6 */
#define HVQ_PA_FAC_FX 23170 /* Q15 0.7071 - HVQ Classifier peak allocation factor */
#define HVQ_PA_PEAKS_SHARP1 9 /* HVQ Classifier - Maximum number of peaks for band with high sharpness */
#define HVQ_PA_PEAKS_SHARP2 3 /* HVQ Classifier - Maximum number of peaks for band with medium sharpness */
#define HVQ_PA_PEAKS_SHARP3 2 /* HVQ Classifier - Maximum number of peaks for band with low sharpness */
#define HVQ_PA_SHARP_THRES2_FX 1024 /* Q6 16.0 - HVQ Classifier - Sharpness threshold for band with medium sharpness */
#define HVQ_PA_SHARP_THRES3_FX 768 /* Q6 12.0 - HVQ Classifier - Sharpness threshold for band with low sharpness */
#define HVQ_BW 32 /* HVQ Classifier subband bandwidth */
#define HVQ_NSUB_32k 10
#define HVQ_NSUB_24k 7 /* HVQ Classifier number of subbands */
#define HVQ_BWE_NOISE_BANDS 2 /* Number of BWE noise bands */
#define HVQ_BWE_WEIGHT1_FX ((Word16)31130) /* 0.95 in Q15 */
#define HVQ_BWE_WEIGHT2_FX ((Word16)6554) /* 0.2 in Q15 */
#define HVQ_NFPE_FACTOR_CUBE_FX ((Word16)16777) /* 6.4^3 in Q6 */
#define HVQ_LB_NFPE_FACTOR_CUBE_FX ((Word16)16777) /* 3.2^3 in Q9 */
#define HVQ_VQ_DIM 5 /* HVQ peak VQ dimension */
#define HVQ_PVQ_GAIN_BITS 5 /* Number of bits to encode PVQ gains in HVQ */
#define HVQ_NUM_CLASS 4 /* Number of codebook classes */
#define HVQ_CB_SIZE 256
#define NUM_PG_HUFFLEN 9 /* Number of Huffman codewords for peak gains */
#define MAX_PG_HUFFLEN 12 /* Length of the longest codeword for peak gain Huffman coding */
#define HVQ_CP_HUFF_OFFSET 3 /* HVQ Code Pos - Delta offset */
#define HVQ_CP_HUFF_MAX 51 /* HVQ Code Pos - Maximum delta for huffman coding */
#define HVQ_CP_HUFF_MAX_CODE 13 /* HVQ Code Pos - Size of largest code word */
#define HVQ_CP_HUFF_NUM_LEN 11 /* HVQ Code Pos - Number of different huffman lengths */
#define HVQ_CP_L2_MAX 64 /* HVQ Code Pos - Layer 2 maximum size */
#define HVQ_CP_L1_LEN 5 /* HVQ Code Pos - Layer 1 block size */
#define HVQ_CP_MAP_LEN 8 /* HVQ Code Pos - Mapping table size */
#define HVQ_CP_MAP_IDX_LEN 3 /* HVQ Code Pos - Mapping index size */
#define HVQ_CP_DELTA 0 /* HVQ Code Pos - Use Delta coding */
#define HVQ_CP_SPARSE 1 /* HVQ Code Pos - Use Sparse coding */
#define MAX_SPLITS 10 /* Maximum number of PVQ band splits */
#define QUANTAQ3OFFSET 1
enum QuantaMode { NEAREST = 0, CONS };
#define PYR_OFFSET 1
#define RCF_INIT_SHIFT 14
#define THR_ADD_SPLIT 7 /* Threshold for using additional split */
#define PVQ_MAX_BAND_SIZE 64 /* Maxiumum supported band size for PVQ search */
#define MIN_BAND_SIZE 1 /* Minimum supported band size for PVQ search */
#define RC_BITS_RESERVED 1
#define MAX_PVQ_BITS_PER_COEFFICIENT 80 /* Maximum bits per coefficient allocated per PVQ band. Q3. */
/* index_pvq constants */
#define KMAX_FX 512
#define KMAX_NON_DIRECT_FX 96 /* max K for non-direct indexing recursion rows is 1+KMAX_NON_DIRECT +1 */
#define ODD_DIV_SIZE_FX 48 /* ind0=1/1 ind1 =1/3 ... ind47=1/95 */
/* TCQ */
#define TCQ_MAX_BAND_SIZE 120 /* Maxiumum supported band size for TCQ+USQ search */
#define STATES 8
#define MAX_AR_FREQ 16383
#define AR_BITS 16
#define STATES_LSB 4
#define TCQ_LSB_SIZE 24
#define TCQ_AMP 10
#define AR_TOP ( ( 1 << AR_BITS ) - 1 )
#define AR_FIRST ( AR_TOP / 4 + 1 )
#define AR_HALF ( 2 * AR_FIRST )
#define AR_THIRD ( 3 * AR_FIRST )
#define MAX_SIZEBUF_PBITSTREAM 1024
/*----------------------------------------------------------------------------------*
* SWB BWE for LR MDCT core
*----------------------------------------------------------------------------------*/
/* Q value */
#define SWB_BWE_LR_Qs 12 /* Q value of spectra (Word32) */
#define SWB_BWE_LR_Qbe 14 /* Q value of band_energy (Word32) */
#define SWB_BWE_LR_QRk 16 /* Q value of Rk, Rcalc (Word32) */
#define SWB_BWE_LR_QsEn 4 /* Q value of smoothed sqrt band energy */
#define G1_RANGE 4
#define G1G2_RANGE 15
#define GRP_SB 4 /*Maximum subband groups*/
#define THR1 4 /* Bit allocation threshold value */
#define THR2 5 /* Bit allocation threshold value */
#define THR3 6 /* Bit allocation threshold value */
#define NB_SWB_SUBBANDS 4 /* maximum number of subbands in normal2 subband coding */
#define SWB_SB_LEN0_12KBPS 55/* length of subband number X in lowest bit rate operation */
#define SWB_SB_LEN1_12KBPS 68
#define SWB_SB_LEN2_12KBPS 84
#define SWB_SB_LEN3_12KBPS 105
#define SWB_HIGHBAND_12KBPS (SWB_SB_LEN0_12KBPS+SWB_SB_LEN1_12KBPS+SWB_SB_LEN2_12KBPS+SWB_SB_LEN3_12KBPS)
#define SWB_LOWBAND_12KBPS (HQ_GENERIC_END_FREQ - SWB_HIGHBAND_12KBPS)
#define SWB_HIGHBAND_MAX SWB_HIGHBAND_12KBPS
#define SWB_LOWBAND_MAX SWB_LOWBAND_12KBPS
#define SWB_SB_OFF0_12KBPS 0 /* subband offsets are based on the subband lengths */
#define SWB_SB_OFF1_12KBPS (SWB_SB_OFF0_12KBPS + SWB_SB_LEN0_12KBPS)
#define SWB_SB_OFF2_12KBPS (SWB_SB_OFF1_12KBPS + SWB_SB_LEN1_12KBPS)
#define SWB_SB_OFF3_12KBPS (SWB_SB_OFF2_12KBPS + SWB_SB_LEN2_12KBPS)
#define SWB_SB_OFF4_12KBPS (SWB_SB_OFF3_12KBPS + SWB_SB_LEN3_12KBPS)
/* 16.4 kbps */
#define SWB_SB_LEN0_16KBPS 59/* length of subband number X in lowest bit rate operation */
#define SWB_SB_LEN1_16KBPS 74
#define SWB_SB_LEN2_16KBPS 92
#define SWB_SB_LEN3_16KBPS 115
#define SWB_HIGHBAND_16KBPS (SWB_SB_LEN0_16KBPS+SWB_SB_LEN1_16KBPS+SWB_SB_LEN2_16KBPS+SWB_SB_LEN3_16KBPS)
#define SWB_LOWBAND_16KBPS (HQ_GENERIC_END_FREQ - SWB_HIGHBAND_16KBPS)
#define SWB_SB_OFF0_16KBPS 0 /* subband offsets are based on the subband lengths */
#define SWB_SB_OFF1_16KBPS (SWB_SB_OFF0_16KBPS + SWB_SB_LEN0_16KBPS)
#define SWB_SB_OFF2_16KBPS (SWB_SB_OFF1_16KBPS + SWB_SB_LEN1_16KBPS)
#define SWB_SB_OFF3_16KBPS (SWB_SB_OFF2_16KBPS + SWB_SB_LEN2_16KBPS)
#define SWB_SB_OFF4_16KBPS (SWB_SB_OFF3_16KBPS + SWB_SB_LEN3_16KBPS)
/* SpectrumSmoothing */
#define L_SB 12 /* subband length for SpectrumSmoothing */
/* SpectrumSmoothing for NSS */
#define L_SB_NSS 8
#define L_SB_NSS_HALF (L_SB_NSS/2)
#define NUM_SUBBAND_SMOOTH_MAX (L_FRAME32k/L_SB_NSS+1)
#define MA_LEN 7
/* Harmonic mode */
#define NB_SWB_SUBBANDS_HAR_SEARCH_SB 2 /* search number of subbands in harmonic subband coding */
#define NB_SWB_SUBBANDS_HAR 4 /* maximum number of subbands in harmonic subband coding */
#define N_NBIGGEST_PULSEARCH 18
#define N_NBIGGEST_SEARCH_LRG_B 32
/* 13.2 kbps */
#define SWB_SB_BW_LEN0_12KBPS_HAR 56 /* Group 1 length for BWE */
#define SWB_SB_BW_LEN1_12KBPS_HAR 100 /* Group 2 Length for BWE */
#define SWB_SB_BW_LEN2_12KBPS_HAR SWB_SB_BW_LEN1_12KBPS_HAR
#define SWB_SB_BW_LEN3_12KBPS_HAR SWB_SB_BW_LEN0_12KBPS_HAR
/* 16.4 kbps */
#define SWB_SB_BW_LEN0_16KBPS_HAR 60 /* Group 1 length for BWE */
#define SWB_SB_BW_LEN1_16KBPS_HAR 110 /* Group 2 Length for BWE */
#define SWB_SB_BW_LEN2_16KBPS_HAR SWB_SB_BW_LEN1_16KBPS_HAR
#define SWB_SB_BW_LEN3_16KBPS_HAR SWB_SB_BW_LEN0_16KBPS_HAR
#define SWB_SB_OFF0_SUB5_12KBPS_HAR 0 /* subband offsets are based on the subband lengths */
#define SWB_SB_OFF1_SUB5_12KBPS_HAR (SWB_SB_OFF0_SUB5_12KBPS_HAR + SWB_SB_BW_LEN0_12KBPS_HAR)
#define SWB_SB_OFF2_SUB5_12KBPS_HAR (SWB_SB_OFF1_SUB5_12KBPS_HAR + SWB_SB_BW_LEN1_12KBPS_HAR)
#define SWB_SB_OFF3_SUB5_12KBPS_HAR (SWB_SB_OFF2_SUB5_12KBPS_HAR + SWB_SB_BW_LEN2_12KBPS_HAR)
#define SWB_SB_OFF0_SUB5_16KBPS_HAR 0 /* subband offsets are based on the subband lengths */
#define SWB_SB_OFF1_SUB5_16KBPS_HAR (SWB_SB_OFF0_SUB5_16KBPS_HAR + SWB_SB_BW_LEN0_16KBPS_HAR)
#define SWB_SB_OFF2_SUB5_16KBPS_HAR (SWB_SB_OFF1_SUB5_16KBPS_HAR + SWB_SB_BW_LEN1_16KBPS_HAR)
#define SWB_SB_OFF3_SUB5_16KBPS_HAR (SWB_SB_OFF2_SUB5_16KBPS_HAR + SWB_SB_BW_LEN2_16KBPS_HAR)
#define LR_BLK_LEN 16
#define LR_HLF_PK_BLK_LEN 8
#define LR_LOWBAND_DIF_PK_LEN 10
#define SWB_HAR_RAN1 80
#define SWB_HAR_RAN2 140
#define SWB_HAR_RAN3 200
#define SPT_SHORTEN_SBNUM 4
/*----------------------------------------------------------------------------------*
* FEC for HQ core
*----------------------------------------------------------------------------------*/
#define MAX_PGF 7
#define MAX_ROW 2
#define MINIMUM_RATE_TO_ENCODE_VOICING_FLAG 45000
#define FRAMECTTOSTART_MDCT 3
/*----------------------------------------------------------------------------------*
* Channel-aware mode (FEC)
*----------------------------------------------------------------------------------*/
#define FEC_OFFSET 3
#define MAX_RF_FEC_OFFSET 9
/*----------------------------------------------------------------------------------*
* HQ FEC
*----------------------------------------------------------------------------------*/
#define MAXDELAY_FEC 224
#define PH_ECU_ALDO_OLP2_NS (ACELP_LOOK_NS/2) /* half the aldo window overlap */
#define PH_ECU_LOOKAHEAD_NS (11*ACELP_LOOK_NS/(7*2)) /* Number of nanoseconds look-ahead ahead from the end of the past synthesized frame */
#define PH_ECU_MEM_NS ((Lprot48k/48 - 20)*1000000-PH_ECU_LOOKAHEAD_NS) /* Number of nanoseconds memory for Phase ECU before the old_synthFB_fx pointer */
#define POST_HQ_DELAY_NS DELAY_BWE_TOTAL_NS /* delay of post processing after core HQ coding */
#define MAX_PLOCS Lprot48k/4+1 /* maximum number of spectral peaks to be searched */
#define Lprot32k 1024 /* HQ phase ECU prototype frame length */
#define Lprot32k_2 Lprot32k/2
#define Quot_Lpr_Ltr 4
#define Lgw_max 9 /* maximum number frequency group widths */
#define BETA_MUTE_FAC_INI 16384 /* Q15, initial noise attenuation factor */
#define Ltrana32k (Lprot32k/Quot_Lpr_Ltr) /* transient analysis frame length */
#define Ltrana16k Ltrana32k/2
#define pfind_sens 0.9f /* peakfinder sensitivity - tuning parameter */
#define Lprot_hamm_len2_48k NS2SA(48000,6000000L)
#define Lprot_hamm_len2_32k NS2SA(32000,6000000L)
#define Lprot_hamm_len2_16k NS2SA(16000,6000000L)
#define Lprot48k Lprot32k * 3/2 /* HQ phase ECU prototype frame length */
#define Lprot48k_2 Lprot48k/2
#define Ltrana48k (Lprot48k/Quot_Lpr_Ltr) /* transient analysis frame length */
#define PH_ECU_SPEC_SIZE Lprot48k
#define T_SIN_PI_2 PH_ECU_SPEC_SIZE/4
#define RANDOM_START 1
#define HQ_FEC_SIGN_SFM 16
#define HQ_FEC_SIGN_THRES 6
#define HQ_FEC_SIGN_THRES_TRANS 3
#define HQ_FEC_BAND_SIZE 4
/*--------------------------------------------------------------*
* Tonal MDCT PLC constants
*---------------------------------------------------------------*/
#define SPEC_EXP_DEC 20
#define MAX_NUMBER_OF_IDX 30
#define GROUP_LENGTH 7
#define MAX_PEAKS_FROM_PITCH 10
#define LAST_HARMONIC_POS_TO_CHECK 128 /* 128 because we check harmonics only up to 3.2 kHz */
#define FILTLEN 15
#define ALLOWED_SIDE_LOBE_FLUCTUATION 24576/*3.0f Q13*/ /* 4.8 dB */
#define ALLOWED_SIDE_LOBE_FLUCTUATION_EXP 2
#define LEVEL_ABOVE_ENVELOPE 7.59f /* 8.8 dB */
#define UNREACHABLE_THRESHOLD 16384/*16.0f Q10*/ /* 12 dB Increase of LEVEL_ABOVE_ENVELOPE so that the threshold is not reached */
#define SMALL_THRESHOLD 1126/*1.10f Q10*/ /* 0.41 dB Increase of LEVEL_ABOVE_ENVELOPE for the peak detection at a definitive peak in the estimated spectrum */
#define BIG_THRESHOLD 1536/*1.5f Q10*/ /* 1.76 dB Increase of LEVEL_ABOVE_ENVELOPE for the peak detection at a probable peak in the estimated spectrum */
#define kSmallerLagsTargetBitsThreshold 150
#define kLtpHmGainThr 0x3AE1 /* 0.46f */
#define kCtxHmOlRSThr 0x5333 /* 2.6f (2Q13) */
#define kTcxHmSnrOffsetGc 8/*0.03125f Q8*/
#define kTcxHmSnrOffsetVc 0
#define kTcxHmNumGainBits 2 /* Number of bits for the gain index */
#define kTcxHmParabolaHalfWidth 4 /* Parabola half width */
#define kLtpHmGainThr 0x3AE1 /* 0.46f */ /* Use the LTP pitch lag in the harmonic model? */
#define kSmallerLagsTargetBitsThreshold 150
#define TCX_LPC_OFFSET_SNR
#define kTcxSnrOffsetGc 0x08 /* 0.03125f (7Q8) */
#define kTcxSnrOffsetVc 0x20 /* 0.125f (7Q8) */
#define LOWRATE_TCXLPC_MAX_BR ACELP_9k60
/*--------------------------------------------------------------*
* Waveform-adjustment MDCT PLC
*---------------------------------------------------------------*/
#define DEC_STATE_LEN 10
#define MAX_POST_LEN 3
#define TCX_TONALITY_INIT_CNT 7
#define TCX_NONTONAL 0
#define TCX_TONAL 1
/*---------------------------------------------------------------*
* IGF *
*---------------------------------------------------------------*/
#define IGF_MAX_TILES 5
#define IGF_MAX_GRANULE_LEN 1200
#define IGF_TRANS_FAK 2
#define IGF_MAX_SFB 23
#define IGF_NOF_GRIDS 3
#define IGF_MAX_SUBFRAMES 2
#define IGF_MODE_WB 1
#define IGF_MODE_SWB 2
#define IGF_MODE_FB 3
#define IGF_BITRATE_WB_9600 0
#define IGF_BITRATE_RF_WB_13200 1
#define IGF_BITRATE_SWB_9600 2
#define IGF_BITRATE_SWB_13200 3
#define IGF_BITRATE_RF_SWB_13200 4
#define IGF_BITRATE_SWB_16400 5
#define IGF_BITRATE_SWB_24400 6
#define IGF_BITRATE_SWB_32000 7
#define IGF_BITRATE_SWB_48000 8
#define IGF_BITRATE_FB_16400 9
#define IGF_BITRATE_FB_24400 10
#define IGF_BITRATE_FB_32000 11
#define IGF_BITRATE_FB_48000 12
#define IGF_BITRATE_FB_96000 13
#define IGF_BITRATE_FB_128000 14
#define IGF_BITRATE_UNKNOWN 15
#define IGF_WHITENING_OFF 0
#define IGF_WHITENING_MID 1
#define IGF_WHITENING_STRONG 2
#define IGF_GRID_LB_NORM 0
#define IGF_GRID_LB_TRAN 1
#define IGF_GRID_LB_SHORT 2
/* constants for IGFSCFDecoder and IGFSCFEncoder */
#define IGF_CTX_OFFSET 3 /* offset added to make the context values nonnegative, for array indexing */
#define IGF_CTX_COUNT (2 * IGF_CTX_OFFSET + 1) /* number of contexts for the AC statistical model */
#define IGF_MIN_ENC_SEPARATE -12 /* minimum residual value coded separately, without escape coding */
#define IGF_MAX_ENC_SEPARATE +12 /* maximum residual value coded separately, without escape coding */
#define IGF_SYMBOLS_IN_TABLE (1 + (IGF_MAX_ENC_SEPARATE - IGF_MIN_ENC_SEPARATE + 1) + 1) /* alphabet size */
/*----------------------------------------------------------------------------------*
* SC-VBR
*----------------------------------------------------------------------------------*/
#define UVG1_CBSIZE 32 /* NELP unvoiced gain-1 codebook size */
#define UVG2_CBSIZE 64 /* NELP unvoiced gain-2 codebook size */
/* PPP constants */
#define NUM_ERB_WB 24 /* Number of ERB bands in wideband */
#define NUM_ERB_NB 22 /* Number of ERB bands in narrowband */
#define MAXLAG 180
#define PPP_LAG_THRLD_Q6 180*64
#define PPP_LAG_THRLD 180
#define SNR_THLD_FX_Q8 17152 /* Threshold is upscaled to Q8 to compared with st->vadsnr*/
#define MAXLAG_WI (PPP_LAG_THRLD/2 + 12) /* Maximum lag used in waveform interpolation */
#define MAX_LAG_PIT (PPP_LAG_THRLD + 21)
#define WI_FX_phase_fx 512
#define VBR_ADR_MAX_TARGET_x10_Q1 123 /* VBR_ADR_MAX_TARGET(6.15f)*10 in Q1 */
#define Q_SCALE 7
#define CONST_1_16_Q14 19005 /* 1.16*16384 */
#define CONST_1_37_Q14 22446 /* 1.37*16384 */
#define SCALE_DOWN_ERAS_Q15 26214 /* 0.8*32768 */
#define SHAPE1_COEF_QF 15 /* shape1 num and den coeffcient Q format */
#define SHAPE2_COEF_QF 15 /* shape2 num and den coeffcient Q format */
#define SHAPE3_COEF_QF 15 /* shape3 num and den coeffcient Q format */
#define BP1_COEF_WB_QF 14 /* wb num and den coeffcient Q format */
#define BP1_COEF_NB_QF_ORDER7 13 /* nb num and den coeffcient Q format */
/*----------------------------------------------------------------------------------*
* JBM
*----------------------------------------------------------------------------------*/
#define MAX_JBM_SLOTS 100 /* every primary copy and partial copy stored in JBM needs one slot */
#define MAX_AU_SIZE (128000/50/8) /* max frame size in bytes */
#define ACTIVE 4
#define BACKGROUND 1
#define LOST 14
#define SIZE_UNDERFLOW_ARRAY 10000
#define TIME_WARP_SPACING 4
#define FLAG_DECREASING_BUFFER_DEPTH 1
#define TIME_WARP_SPACING_EXPAND 1
#define PREALLOCATE_OUTPUT_SIZE 1000
#define TSM_LOST 1
#define TSM_AUDIO 2
#define TSM_ONSET 3
#define TSM_UNVOICED 4
#define TSM_VOICED 5
#define TSM_TRANSITION 6
#define TSM_GENERIC 7
#define TSM_BACKGROUND 8
/*------------------------------------------------------------------------------------*
FEC_clas_estim constants
*-------------------------------------------------------------------------------------*/
#define Q_MAX 12
#define LG10 24660 /* 10*log10(2) in Q13 */
#define L_Q_MEM 5
#define GE_SHIFT 6
#define LSF_1_OVER_256SQ 5000
#define LSF_1_OVER_256SQSQ 763
#define G_CODE_MIN_TC_Q15 655 /*0.02 Q15*/
#define G_CODE_MAX_TC_Q0 5
#define G_PITCH_MIN_Q14 0 /* SQ of gains: pitch gain lower limit (0.0 in Q13) */
#define G_PITCH_MAX_MINUS_MIN_Q13 9994 /* SQ of gains: pitch gain upper limit (1.22-0 in Q13) */
/* higher ACELP constants */
#define G_AVQ_MIN_32kbps_Q15 2621 /* lower limit for gain Q in higher-rate ACELP contribtuion @32kbps (0.08 in Q15) */
#define G_AVQ_MIN_Q15 26214 /* lower limit for gain Q in higher-rate ACELP contribtuion (0.8 in Q15) */
#define G_AVQ_MAX_Q0 96 /* upper limit for gain Q in higher-rate ACELP contribtuion */
#define LG10_G_AVQ_MIN_32kbps_Q14 (-17972) /* log10(0.08) lower limit for gain Q in higher-rate ACELP contribtuion @32kbps (0.08 in Q15) */
#define LG10_G_AVQ_MIN_Q14 (-1588) /* log10(0.8) lower limit for gain Q in higher-rate ACELP contribtuion (0.8 in Q15) */
#define LG10_G_AVQ_MAX_Q13 16239 /* log10(96) upper limit for gain Q in higher-rate ACELP contribtuion */
#define LG10_G_CODE_MIN_TC192_Q14 (-3635) /* log10(0.6) */
#define LG10_G_CODE_MAX_TC192_Q13 13212 /* log10(41) */
#define LG10_G_CODE_MAX_Q13 5726 /* log10(5) SQ of gains: code gain upper limit */
#define LG10_G_CODE_MIN_Q14 (-27836) /* log10(0.02) SQ of gains: code gain lower limit */
#define LG10_G_CODE_MIN_TC_Q14 LG10_G_CODE_MIN_Q14 /* log10(0.02) Q15*/
#define LG10_G_CODE_MAX_TC_Q13 LG10_G_CODE_MAX_Q13
/* AVQ (RE8) related consatnts */
#define QR 32768
#define Q_AVQ_OUT 6 /* AVQ_output scaling currently Q9, but may change */
#define Q_AVQ_OUT_DEC 10
#define PIT_DECODE_2XL_SUBFR (2*L_SUBFR)
#define PIT_FR1_8b_MINUS_PIT_MIN_X2 ((PIT_FR1_8b-PIT_MIN)*2)
#define PIT_FR1_8b_MINUS_PIT_FR1_8b_MINUS_PIT_MIN_X2 (PIT_FR1_8b-PIT_FR1_8b_MINUS_PIT_MIN_X2)
#define PIT_FR2_9b_MINUS_PIT_MIN_X4 ((PIT_FR2_9b-PIT_MIN)*4)
#define PIT_FR1_EXT8b_MINUS_PIT_MIN_EXT_X2 ((PIT_FR1_EXTEND_8b-PIT_MIN_EXTEND)*2)
#define PIT_FR2_EXT9b_MINUS_PIT_MIN_EXT_X4 ((PIT_FR2_EXTEND_9b-PIT_MIN_EXTEND)*4)
#define PIT_FR1_EXT9b_MINUS_PIT_FR2_EXT9b_X2 ((PIT_FR1_EXTEND_9b-PIT_FR2_EXTEND_9b)*2)
#define PIT_FR1_DEXT8b_MINUS_PIT_MIN_DEXT_X2 ((PIT_FR1_DOUBLEEXTEND_8b-PIT_MIN_DOUBLEEXTEND)*2 )
#define PIT_FR2_DEXT9b_MINUS_PIT_MIN_DEXT_X4 ((PIT_FR2_DOUBLEEXTEND_9b-PIT_MIN_DOUBLEEXTEND)*4 )
#define PIT_DECODE_1 ((PIT_FR2_9b-PIT_MIN)*4 + (PIT_FR1_9b-PIT_FR2_9b)*2)
#define PIT_DECODE_2 ((PIT_FR2_9b-PIT_MIN)*4)
#define PIT_DECODE_3 (PIT_FR1_9b - ((PIT_FR2_9b-PIT_MIN)*4) - ((PIT_FR1_9b-PIT_FR2_9b)*2))
#define PIT_DECODE_7 (PIT_FR1_EXTEND_9b - (PIT_FR2_EXT9b_MINUS_PIT_MIN_EXT_X4) - (PIT_FR1_EXT9b_MINUS_PIT_FR2_EXT9b_X2))
#define PIT_DECODE_8 (PIT_FR1_DOUBLEEXTEND_8b - ((PIT_FR1_DOUBLEEXTEND_8b-PIT_MIN_DOUBLEEXTEND)*2))
#define PIT_DECODE_9 (( (PIT_FR2_DOUBLEEXTEND_9b-PIT_MIN_DOUBLEEXTEND)*4 + (PIT_FR1_DOUBLEEXTEND_9b-PIT_FR2_DOUBLEEXTEND_9b)*2))
#define PIT_DECODE_10 (PIT_FR1_DOUBLEEXTEND_9b - ((PIT_FR2_DOUBLEEXTEND_9b-PIT_MIN_DOUBLEEXTEND)*4) - ((PIT_FR1_DOUBLEEXTEND_9b-PIT_FR2_DOUBLEEXTEND_9b)*2))
#define BIN4_FX 800
#define TH_COR_FX 19661 /* Q15 Minimum correlation for per bin processing */
#define TH_D_FX 800 /* 50 (Q4) Difference limit between nearest harmonic and a frequency bin */
#define TH_PIT_FX 128 /* (Fs / (2.0f * TH_D)) Maximum pitch for per bin processing */
#define GUESS_TBL_SZ 256
#define INT_FS_FX 12800 /* internal sampling frequency */
#define INT_FS_16k_FX 16000 /* CELP core internal sampling frequency @16kHz */
#define WB_LIMIT_LSF_FX 16256
#define Fs_2 16384 /* lsf max value (Use in reorder_fx.c) */
#define Fs_2_16k 20480 /* lsf max value (Use in reorder_fx.c) */
#define LG10 24660 /* 10*log10(2) in Q13 */
#define LG10_s3_0 16440 /* 10*log10(2)/1.55 = 1.00343331 in Q14 */
#define MU_MA_FX 10923 /* original prediction factor for the AMR WB tables (Q15) */
#define E_MIN_FXQ15 115 /* Q15*/
#define MAX_DYNAMIC_FX (82*128)
#define MIN_DYNAMIC_FX (50*128)
#define DYNAMIC_RANGE_FX (MAX_DYNAMIC_FX-MIN_DYNAMIC_FX)
#define MAX_GSC_NF_BITS 3
#define GSC_NF_STEPS (1 << MAX_GSC_NF_BITS)
#define GSF_NF_DELTA_FX (DYNAMIC_RANGE_FX/GSC_NF_STEPS)
/*----------------------------------------------------------------------------------*
* DTC/iDCT constants
*----------------------------------------------------------------------------------*/
/* DCT related */
#define KP559016994_16FX 1200479845 /* EDCT & EMDCT constants */
#define KP951056516_16FX 2042378325 /* EDCT & EMDCT constants */
#define KP587785252_16FX 1262259213 /* EDCT & EMDCT constants */
/*----------------------------------------------------------------------------------*
* AVQ constants
*----------------------------------------------------------------------------------*/
#define MIN_GLOB_GAIN_BWE_HR_FX 24576 /* Q13 */
#define MAX_GLOB_GAIN_BWE_HR_FX 32000 /* Q6 */
#define LG10_MIN_GLOB_GAIN_BWE_HR_Q14 7817
#define LG10_MAX_GLOB_GAIN_BWE_HR_Q13 22110
/*----------------------------------------------------------------------------------*
* LD music post-filter constants
*----------------------------------------------------------------------------------*/
#define BIN_16kdct_fx (6400/DCT_L_POST)
#define E_MIN_Q15 14680 /* 0.0035 -> Q22 */
#define QSCALE 7
#define MODE2_E_MIN 4/*0.03f Q0*/ /* 0.03f in QSCALE */
#define MODE2_E_MIN_Q15 983/*0.03f Q15*/ /* 0.03f in Q15*/
/* long term pst parameters : */
#define L2_LH2_L 4 /* log2(LH2_L) */
#define MIN_GPLT_FX 21845 /* LT gain minimum 1/1.5 (Q15) */
#define AGC_FAC_FX 32358 /* gain adjustment factor 0.9875 (Q15) */
#define AGC_FAC1_FX (Word16)(32768L - AGC_FAC_FX)
#define DOWNMIX_12k8_FX 1850
/*----------------------------------------------------------------------------------*
* HQ Constants
*----------------------------------------------------------------------------------*/
#define INV2POWHALF 23170 /* Q15, sqrt(2)/2 */
#define EPSILLON_FX (Word16) 1
#define MAX_SFM_LEN_FX 96
#define MAX_P_ATT_FX (Word16) 40 /* Maximum number of pulses for gain attenuation factor */
#define MAX_PHG_FX (Word16) 10 /* Q0, Maximum number of pulses for which to apply pulse height dependent gain */
#define PHG_START_FX (Word16) 3277 /* Q15, 0.1f */
#define PHG_DELTA_FX (Word16) 2621 /* Q15, ((PHG_END-PHG_START)/MAX_PHG) */
#define ENV_ADJ_START_FX (Word16) 6 /* Q0, Number of consecutive bands for which the attenuation is maximum */
#define ENV_ADJ_INV_INCL_FX (Word16) 6554 /* Q15, 1/5.0f, Inverse inclination for mapping between attenuation region width and attenuation limit */
#define INV_HVQ_THRES_BIN_24k 9362 /* 1/224 in Q21 */
#define INV_HVQ_THRES_BIN_32k 6554 /* 1/320 in Q21 */
#define INV_BANDS_PER_SUBFRAMES 14564 /* 1/9 in Q17 */
#define NUM_SUBFRAMES 4
#define BANDS_PER_SUBFRAMES 9
#define ENERGY_TH_NUM_SUBFRAMES 1638400L /* 400 in Q12 */
#define INV_SFM_N_ENV_STAB 19418 /* 1/27 in Q19 */
#define ENERGY_TH_FX 819200L /* 100 in Q13 */
#define ENERGY_LT_BETA_FX 30474 /* 0.93 in Q15 - Smoothing factor for long-term energy measure */
#define ENERGY_LT_BETA_1_FX 2294 /* 0.07 i Q15 - (1 - ENERGY_LT_BETA_FX) */
#define INV_DELTA_TH 13107 /* 1/5 in Q16 - Inverse Delta energy threshold for transient detection for envelope stability */
#define ONE_OVER_HVQ_BAND_MAX_BITS_24k_FX ((Word16) 410) /* Q15, 1/80 = 0.0125 */
#define ONE_OVER_HVQ_BAND_MAX_BITS_32k_FX ((Word16) 345) /* Q15, 1/95 = 0.010526315 */
#define INV_PREECHO_SMOOTH_LENP1_FX 1560 /*(32768 / (PREECHO_SMOOTH_LEN + 1.0));*/
#define INV_HVQ_BW 1024 /* Q15 1/32 */
#define ACELP_48k_BITS 960 /* Q0 - ACELP_48k / 50 */
/*--------------------------------------
* FEC_HQ_phase_ecu
*-------------------------------------*/
#define OFF_FRAMES_LIMIT 30 /* Hard limit the variable "time_offs" to 30 */
/*----------------------------------------------------------------------------------*
* FEC for HQ core
*----------------------------------------------------------------------------------*/
#define MAX_SB_NB 3
#define NELP_LP_ORDER 8
#define NUM_NELP_GAINS 10
#define N_LEAD_NB 70 /* (N_LEAD_MDCT*(L_FRAME8k/20)) */
#define N_ZERO_NB 45 /* (N_ZERO_MDCT*(L_FRAME8k/20)) */
#define N_LEAD_O_NB 90 /* (20.f-N_LEAD_MDCT)*(L_FRAME8k/20) */
#define N_ZERO_O_NB 35 /* (10.f-N_ZERO_MDCT)*(L_FRAME8k/20) */
#define N_Z_L_NB 115 /* (N_Z_L_MDCT*(float)(L/20)) = N_ZERO_NB + N_LEAD_NB*/
#define N_Z_L_O_NB 205 /* (N_Z_L_O_MDCT*(float)(L/20)) = N_ZERO_NB + N_LEAD_NB + N_LEAD_O_NB */
#define ED_THRES_12P_fx 66
#define ED_THRES_50P_fx 326
#define ED_THRES_90P_fx 1091
/*----------------------------------------------------------------------------------*
* ISF quantizer constants
*----------------------------------------------------------------------------------*/
/*qlpc_avq, lsf_msvq_ma*/
#define W_MODE0 0x1333 /*60.0f/FREQ_DIV in 0Q15*/
#define W_MODE1 0x14CD /*65.0f/FREQ_DIV in 0Q15*/
#define W_MODE2 0x147B /*64.0f/FREQ_DIV in 0Q15*/
#define W_MODE_ELSE 0x1429 /*60.0f/FREQ_DIV in 0Q15*/
enum TRACKPOS
{
TRACKPOS_FIXED_FIRST =0, /* Fill tracks from left */
TRACKPOS_FIXED_EVEN =1, /* Even tracks */
TRACKPOS_FIXED_FIRST_TWO =2, /* One track of 32 */
TRACKPOS_FIXED_TWO =3, /* Two tracks of 32 instead of four of 16 */
TRACKPOS_FREE_ONE =4, /* One freely moving track with extra pulse */
TRACKPOS_FREE_THREE =5 /* Three freely moving tracks with single extra pulses */
};
#define ALP_E 2
/* Lag window strengths */
enum
{
LAGW_WEAK, /* weak lag window */
LAGW_MEDIUM, /* medium strength lag window */
LAGW_STRONG, /* strong lag window */
NUM_LAGW_STRENGTHS
};
/* qmc_cng_common.h */
/* codec side */
#define SCALE_TABLE_SHIFT_FACTOR (31-23)
/* parameter_bitmapping.h */
#define NPARAMS_MAX 10
/*tns_tables.h*/
#define TRUE 1
#define FALSE 0
#define PRED_GAIN_E 8
/* Flags for CLDFB intialization */
/* Flag indicating that the states should be kept. */
#define CLDFB_FLAG_KEEP_STATES 8
/* Flag indicating 2.5 ms setup */
#define CLDFB_FLAG_2_5MS_SETUP 128
/* bits_alloc.h */
#define RATE_MODE_MAX 2 /*Number of rate mode*/
#define BANDWIDTH_MODE_MAX 2 /*Number of different bandwidth modes (NB/WB-FB)*/
typedef enum SIGNAL_CLASSIFER_MODE
{
CLASSIFIER_ACELP,
CLASSIFIER_TCX
} SIGNAL_CLASSIFIER_MODE;
#define NRG_CHANGE_E 8
#define AVG_FLAT_E 8
#define FRAME_SIZE_NB 13
/* RTP Payload Header Info */
#define ACTIVE_FRAME 0xFF
#define SID_FRAME 0xFA
#define ZERO_FRAME 0xF0
/************************************************************************/
/************************************************************************/
#define UNKNOWN_NOISE 0
#define SILENCE 1
#define CNT0P1 1717986918 /* 0.1*2^34 */
#define CNT0P001 1099511627 /* 0.001*2^40 */
#define CNT0P0001 1759218604 /* 0.0001*2^44 */
#define CNT0P05 1717986918 /* 0.05*2^35 */
#define CNT1DIV28 1227133513 /* (1/28)*2^35 */
#define CNT1DIV14 1227133513 /* (1/14)*2^34 */
#define CNT1DIV8 1073741824 /* (1/8)*2^33 */
#define SP_CENTER_Q 10
#define ITD_STABLE_RATE_Q 15
#define SPEC_AMP_Q 14
#define SFM_Q 15
#define TONA_Q 14
#define lt_bg_highf_eng_Q 16
/************************************************************************/
/* TEC/TFA */
/************************************************************************/
#define DELAY_TEMP_ENV_BUFF_TEC 9
#define EXT_DELAY_HI_TEMP_ENV 2
/************************************************************************/
/* CLDFB */
/************************************************************************/
#define SCALE_MODULATION ( 1 )
#define SCALE_GAIN_ANA_10 ( 4 )
#define SCALE_GAIN_ANA_16 ( 3 )
#define SCALE_GAIN_ANA_20 ( 3 )
#define SCALE_GAIN_ANA_32 ( 2 )
#define SCALE_GAIN_ANA_40 ( 2 )
#define SCALE_GAIN_ANA_60 ( 1 )
#define SCALE_GAIN_SYN (-6 )
#define SCALE_CLDFB_ANA_10 ( SCALE_MODULATION + SCALE_GAIN_ANA_10 )
#define SCALE_CLDFB_ANA_16 ( SCALE_MODULATION + SCALE_GAIN_ANA_16 )
#define SCALE_CLDFB_ANA_20 ( SCALE_MODULATION + SCALE_GAIN_ANA_20 )
#define SCALE_CLDFB_ANA_32 ( SCALE_MODULATION + SCALE_GAIN_ANA_32 )
#define SCALE_CLDFB_ANA_40 ( SCALE_MODULATION + SCALE_GAIN_ANA_40 )
#define SCALE_CLDFB_ANA_60 ( SCALE_MODULATION + SCALE_GAIN_ANA_60 )
#define SCALE_CLDFB_SYN_10 ( SCALE_MODULATION + SCALE_GAIN_SYN )
#define SCALE_CLDFB_SYN_16 ( SCALE_MODULATION + SCALE_GAIN_SYN )
#define SCALE_CLDFB_SYN_20 ( SCALE_MODULATION + SCALE_GAIN_SYN )
#define SCALE_CLDFB_SYN_32 ( SCALE_MODULATION + SCALE_GAIN_SYN )
#define SCALE_CLDFB_SYN_40 ( SCALE_MODULATION + SCALE_GAIN_SYN )
#define SCALE_CLDFB_SYN_60 ( SCALE_MODULATION + SCALE_GAIN_SYN )
/************************************************************************/
/* FFT */
/************************************************************************/
#define SCALEFACTORN2 ( 3)
#define SCALEFACTOR2 ( 2)
#define SCALEFACTOR3 ( 3)
#define SCALEFACTOR4 ( 3)
#define SCALEFACTOR5 ( 4)
#define SCALEFACTOR8 ( 4)
#define SCALEFACTOR10 ( 5)
#define SCALEFACTOR12 ( 5)
#define SCALEFACTOR15 ( 5)
#define SCALEFACTOR16 ( 5)
#define SCALEFACTOR20 ( 5)
#define SCALEFACTOR24 ( 6)
#define SCALEFACTOR30 ( 6)
#define SCALEFACTOR30_1 ( 5)
#define SCALEFACTOR30_2 ( 1)
#define SCALEFACTOR32 ( 6)
#define SCALEFACTOR32_1 ( 5)
#define SCALEFACTOR32_2 ( 1)
#define SCALEFACTOR40 ( 7)
#define SCALEFACTOR60 ( 7)
#define SCALEFACTOR64 ( 7)
#define SCALEFACTOR80 ( 8)
#define SCALEFACTOR100 (10)
#define SCALEFACTOR120 ( 8)
#define SCALEFACTOR128 ( 8)
#define SCALEFACTOR160 ( 8)
#define SCALEFACTOR192 (10)
#define SCALEFACTOR200 (10)
#define SCALEFACTOR240 ( 9)
#define SCALEFACTOR256 ( 9)
#define SCALEFACTOR320 (10)
#define SCALEFACTOR400 (10)
#define SCALEFACTOR480 (11)
#define SCALEFACTOR600 (10)
#define BASOP_CFFT_MAX_LENGTH 600
enum
{
PRIMARY_2800,
PRIMARY_7200,
PRIMARY_8000,
PRIMARY_9600,
PRIMARY_13200,
PRIMARY_16400,
PRIMARY_24400,
PRIMARY_32000,
PRIMARY_48000,
PRIMARY_64000,
PRIMARY_96000,
PRIMARY_128000,
PRIMARY_SID,
PRIMARY_FUT1,
SPEECH_LOST,
NO_DATA_TYPE
};
enum
{
AMRWB_IO_6600,
AMRWB_IO_8850,
AMRWB_IO_1265,
AMRWB_IO_1425,
AMRWB_IO_1585,
AMRWB_IO_1825,
AMRWB_IO_1985,
AMRWB_IO_2305,
AMRWB_IO_2385,
AMRWB_IO_SID
/*, AMRWB_IO_FUT1,
AMRWB_IO_FUT2,
AMRWB_IO_FUT3,
AMRWB_IO_FUT4,
SPEECH_LOST,
NO_DATA_TYPE */
};
enum
{
G192,
MIME
};
#endif /* CNST_FX_H */
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