diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/ilbc/iLBC_define.h')
-rw-r--r-- | pjmedia/src/pjmedia-codec/ilbc/iLBC_define.h | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/pjmedia/src/pjmedia-codec/ilbc/iLBC_define.h b/pjmedia/src/pjmedia-codec/ilbc/iLBC_define.h deleted file mode 100644 index 480c834b..00000000 --- a/pjmedia/src/pjmedia-codec/ilbc/iLBC_define.h +++ /dev/null @@ -1,217 +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 - |