diff options
Diffstat (limited to 'branches/1.0/thirdparties/win32/include/ilbc/iLBC_define.h')
| -rw-r--r-- | branches/1.0/thirdparties/win32/include/ilbc/iLBC_define.h | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/branches/1.0/thirdparties/win32/include/ilbc/iLBC_define.h b/branches/1.0/thirdparties/win32/include/ilbc/iLBC_define.h deleted file mode 100644 index f6a863d..0000000 --- a/branches/1.0/thirdparties/win32/include/ilbc/iLBC_define.h +++ /dev/null @@ -1,220 +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
-
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