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Diffstat (limited to '1.2-netsec/codecs/ilbc/iLBC_define.h')
| -rw-r--r-- | 1.2-netsec/codecs/ilbc/iLBC_define.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/1.2-netsec/codecs/ilbc/iLBC_define.h b/1.2-netsec/codecs/ilbc/iLBC_define.h deleted file mode 100644 index 73a90ed66..000000000 --- a/1.2-netsec/codecs/ilbc/iLBC_define.h +++ /dev/null @@ -1,201 +0,0 @@ - -/****************************************************************** - - iLBC Speech Coder ANSI-C Source Code - - iLBC_define.h - - Copyright (C) The Internet Society (2004). - All Rights Reserved. - -******************************************************************/ -#include <string.h> - -#ifndef __iLBC_ILBCDEFINE_H -#define __iLBC_ILBCDEFINE_H - -/* general codec settings */ - -#define FS (float)8000.0 -#define BLOCKL_20MS 160 -#define BLOCKL_30MS 240 -#define BLOCKL_MAX 240 -#define NSUB_20MS 4 -#define NSUB_30MS 6 -#define NSUB_MAX 6 -#define NASUB_20MS 2 -#define NASUB_30MS 4 -#define NASUB_MAX 4 -#define SUBL 40 -#define STATE_LEN 80 -#define STATE_SHORT_LEN_30MS 58 -#define STATE_SHORT_LEN_20MS 57 - -/* LPC settings */ - -#define LPC_FILTERORDER 10 -#define LPC_CHIRP_SYNTDENUM (float)0.9025 -#define LPC_CHIRP_WEIGHTDENUM (float)0.4222 -#define LPC_LOOKBACK 60 -#define LPC_N_20MS 1 -#define LPC_N_30MS 2 -#define LPC_N_MAX 2 -#define LPC_ASYMDIFF 20 -#define LPC_BW (float)60.0 -#define LPC_WN (float)1.0001 -#define LSF_NSPLIT 3 - -#define LSF_NUMBER_OF_STEPS 4 -#define LPC_HALFORDER (LPC_FILTERORDER/2) - -/* cb settings */ - -#define CB_NSTAGES 3 -#define CB_EXPAND 2 -#define CB_MEML 147 -#define CB_FILTERLEN 2*4 -#define CB_HALFFILTERLEN 4 -#define CB_RESRANGE 34 -#define CB_MAXGAIN (float)1.3 - -/* enhancer */ - -#define ENH_BLOCKL 80 /* block length */ -#define ENH_BLOCKL_HALF (ENH_BLOCKL/2) -#define ENH_HL 3 /* 2*ENH_HL+1 is number blocks - in said second sequence */ -#define ENH_SLOP 2 /* max difference estimated and - correct pitch period */ -#define ENH_PLOCSL 20 /* pitch-estimates and pitch- - locations buffer length */ -#define ENH_OVERHANG 2 -#define ENH_UPS0 4 /* upsampling rate */ -#define ENH_FL0 3 /* 2*FLO+1 is the length of - each filter */ -#define ENH_VECTL (ENH_BLOCKL+2*ENH_FL0) -#define ENH_CORRDIM (2*ENH_SLOP+1) -#define ENH_NBLOCKS (BLOCKL_MAX/ENH_BLOCKL) -#define ENH_NBLOCKS_EXTRA 5 -#define ENH_NBLOCKS_TOT 8 /* ENH_NBLOCKS + - ENH_NBLOCKS_EXTRA */ -#define ENH_BUFL (ENH_NBLOCKS_TOT)*ENH_BLOCKL -#define ENH_ALPHA0 (float)0.05 - -/* Down sampling */ - -#define FILTERORDER_DS 7 -#define DELAY_DS 3 -#define FACTOR_DS 2 - -/* bit stream defs */ - -#define NO_OF_BYTES_20MS 38 -#define NO_OF_BYTES_30MS 50 -#define NO_OF_WORDS_20MS 19 -#define NO_OF_WORDS_30MS 25 -#define STATE_BITS 3 -#define BYTE_LEN 8 -#define ULP_CLASSES 3 - -/* help parameters */ - - -#define FLOAT_MAX (float)1.0e37 -#define EPS (float)2.220446049250313e-016 -#define PI (float)3.14159265358979323846 -#define MIN_SAMPLE -32768 -#define MAX_SAMPLE 32767 -#define TWO_PI (float)6.283185307 -#define PI2 (float)0.159154943 - -/* type definition encoder instance */ -typedef struct iLBC_ULP_Inst_t_ { - int lsf_bits[6][ULP_CLASSES+2]; - int start_bits[ULP_CLASSES+2]; - int startfirst_bits[ULP_CLASSES+2]; - int scale_bits[ULP_CLASSES+2]; - int state_bits[ULP_CLASSES+2]; - int extra_cb_index[CB_NSTAGES][ULP_CLASSES+2]; - int extra_cb_gain[CB_NSTAGES][ULP_CLASSES+2]; - int cb_index[NSUB_MAX][CB_NSTAGES][ULP_CLASSES+2]; - int cb_gain[NSUB_MAX][CB_NSTAGES][ULP_CLASSES+2]; -} iLBC_ULP_Inst_t; - -/* type definition encoder instance */ -typedef struct iLBC_Enc_Inst_t_ { - - /* flag for frame size mode */ - int mode; - - /* basic parameters for different frame sizes */ - int blockl; - int nsub; - int nasub; - int no_of_bytes, no_of_words; - int lpc_n; - int state_short_len; - const iLBC_ULP_Inst_t *ULP_inst; - - /* analysis filter state */ - float anaMem[LPC_FILTERORDER]; - - /* old lsf parameters for interpolation */ - float lsfold[LPC_FILTERORDER]; - float lsfdeqold[LPC_FILTERORDER]; - - /* signal buffer for LP analysis */ - float lpc_buffer[LPC_LOOKBACK + BLOCKL_MAX]; - - /* state of input HP filter */ - float hpimem[4]; - -} iLBC_Enc_Inst_t; - -/* type definition decoder instance */ -typedef struct iLBC_Dec_Inst_t_ { - - - /* flag for frame size mode */ - int mode; - - /* basic parameters for different frame sizes */ - int blockl; - int nsub; - int nasub; - int no_of_bytes, no_of_words; - int lpc_n; - int state_short_len; - const iLBC_ULP_Inst_t *ULP_inst; - - /* synthesis filter state */ - float syntMem[LPC_FILTERORDER]; - - /* old LSF for interpolation */ - float lsfdeqold[LPC_FILTERORDER]; - - /* pitch lag estimated in enhancer and used in PLC */ - int last_lag; - - /* PLC state information */ - int prevLag, consPLICount, prevPLI, prev_enh_pl; - float prevLpc[LPC_FILTERORDER+1]; - float prevResidual[NSUB_MAX*SUBL]; - float per; - unsigned long seed; - - /* previous synthesis filter parameters */ - float old_syntdenum[(LPC_FILTERORDER + 1)*NSUB_MAX]; - - /* state of output HP filter */ - float hpomem[4]; - - /* enhancer state information */ - int use_enhancer; - float enh_buf[ENH_BUFL]; - float enh_period[ENH_NBLOCKS_TOT]; - -} iLBC_Dec_Inst_t; - -#endif - - |