diff options
Diffstat (limited to 'gr-gsm-fr-vocoder/src/lib/gsm/private.h')
-rw-r--r-- | gr-gsm-fr-vocoder/src/lib/gsm/private.h | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/gr-gsm-fr-vocoder/src/lib/gsm/private.h b/gr-gsm-fr-vocoder/src/lib/gsm/private.h deleted file mode 100644 index 6b538cc27..000000000 --- a/gr-gsm-fr-vocoder/src/lib/gsm/private.h +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische - * Universitaet Berlin. See the accompanying file "COPYRIGHT" for - * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. - */ - -/*$Header$*/ - -#ifndef PRIVATE_H -#define PRIVATE_H - -typedef short word; /* 16 bit signed int */ -typedef long longword; /* 32 bit signed int */ - -typedef unsigned short uword; /* unsigned word */ -typedef unsigned long ulongword; /* unsigned longword */ - -struct gsm_state { - - word dp0[ 280 ]; - - word z1; /* preprocessing.c, Offset_com. */ - longword L_z2; /* Offset_com. */ - int mp; /* Preemphasis */ - - word u[8]; /* short_term_aly_filter.c */ - word LARpp[2][8]; /* */ - word j; /* */ - - word ltp_cut; /* long_term.c, LTP crosscorr. */ - word nrp; /* 40 */ /* long_term.c, synthesis */ - word v[9]; /* short_term.c, synthesis */ - word msr; /* decoder.c, Postprocessing */ - - char verbose; /* only used if !NDEBUG */ - char fast; /* only used if FAST */ - - char wav_fmt; /* only used if WAV49 defined */ - unsigned char frame_index; /* odd/even chaining */ - unsigned char frame_chain; /* half-byte to carry forward */ -}; - - -#define MIN_WORD (-32767 - 1) -#define MAX_WORD 32767 - -#define MIN_LONGWORD (-2147483647 - 1) -#define MAX_LONGWORD 2147483647 - -#ifdef SASR /* flag: >> is a signed arithmetic shift right */ -#undef SASR -#define SASR(x, by) ((x) >> (by)) -#else -#define SASR(x, by) ((x) >= 0 ? (x) >> (by) : (~(-((x) + 1) >> (by)))) -#endif /* SASR */ - -#include "proto.h" - -/* - * Prototypes from add.c - */ -extern word gsm_mult P((word a, word b)); -extern longword gsm_L_mult P((word a, word b)); -extern word gsm_mult_r P((word a, word b)); - -extern word gsm_div P((word num, word denum)); - -extern word gsm_add P(( word a, word b )); -extern longword gsm_L_add P(( longword a, longword b )); - -extern word gsm_sub P((word a, word b)); -extern longword gsm_L_sub P((longword a, longword b)); - -extern word gsm_abs P((word a)); - -extern word gsm_norm P(( longword a )); - -extern longword gsm_L_asl P((longword a, int n)); -extern word gsm_asl P((word a, int n)); - -extern longword gsm_L_asr P((longword a, int n)); -extern word gsm_asr P((word a, int n)); - -/* - * Inlined functions from add.h - */ - -/* - * #define GSM_MULT_R(a, b) (* word a, word b, !(a == b == MIN_WORD) *) \ - * (0x0FFFF & SASR(((longword)(a) * (longword)(b) + 16384), 15)) - */ -#define GSM_MULT_R(a, b) /* word a, word b, !(a == b == MIN_WORD) */ \ - (SASR( ((longword)(a) * (longword)(b) + 16384), 15 )) - -# define GSM_MULT(a,b) /* word a, word b, !(a == b == MIN_WORD) */ \ - (SASR( ((longword)(a) * (longword)(b)), 15 )) - -# define GSM_L_MULT(a, b) /* word a, word b */ \ - (((longword)(a) * (longword)(b)) << 1) - -# define GSM_L_ADD(a, b) \ - ( (a) < 0 ? ( (b) >= 0 ? (a) + (b) \ - : (utmp = (ulongword)-((a) + 1) + (ulongword)-((b) + 1)) \ - >= MAX_LONGWORD ? MIN_LONGWORD : -(longword)utmp-2 ) \ - : ((b) <= 0 ? (a) + (b) \ - : (utmp = (ulongword)(a) + (ulongword)(b)) >= MAX_LONGWORD \ - ? MAX_LONGWORD : utmp)) - -/* - * # define GSM_ADD(a, b) \ - * ((ltmp = (longword)(a) + (longword)(b)) >= MAX_WORD \ - * ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp) - */ -/* Nonportable, but faster: */ - -#define GSM_ADD(a, b) \ - ((ulongword)((ltmp = (longword)(a) + (longword)(b)) - MIN_WORD) > \ - MAX_WORD - MIN_WORD ? (ltmp > 0 ? MAX_WORD : MIN_WORD) : ltmp) - -# define GSM_SUB(a, b) \ - ((ltmp = (longword)(a) - (longword)(b)) >= MAX_WORD \ - ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp) - -# define GSM_ABS(a) ((a) < 0 ? ((a) == MIN_WORD ? MAX_WORD : -(a)) : (a)) - -/* Use these if necessary: - -# define GSM_MULT_R(a, b) gsm_mult_r(a, b) -# define GSM_MULT(a, b) gsm_mult(a, b) -# define GSM_L_MULT(a, b) gsm_L_mult(a, b) - -# define GSM_L_ADD(a, b) gsm_L_add(a, b) -# define GSM_ADD(a, b) gsm_add(a, b) -# define GSM_SUB(a, b) gsm_sub(a, b) - -# define GSM_ABS(a) gsm_abs(a) - -*/ - -/* - * More prototypes from implementations.. - */ -extern void Gsm_Coder P(( - struct gsm_state * S, - word * s, /* [0..159] samples IN */ - word * LARc, /* [0..7] LAR coefficients OUT */ - word * Nc, /* [0..3] LTP lag OUT */ - word * bc, /* [0..3] coded LTP gain OUT */ - word * Mc, /* [0..3] RPE grid selection OUT */ - word * xmaxc,/* [0..3] Coded maximum amplitude OUT */ - word * xMc /* [13*4] normalized RPE samples OUT */)); - -extern void Gsm_Long_Term_Predictor P(( /* 4x for 160 samples */ - struct gsm_state * S, - word * d, /* [0..39] residual signal IN */ - word * dp, /* [-120..-1] d' IN */ - word * e, /* [0..40] OUT */ - word * dpp, /* [0..40] OUT */ - word * Nc, /* correlation lag OUT */ - word * bc /* gain factor OUT */)); - -extern void Gsm_LPC_Analysis P(( - struct gsm_state * S, - word * s, /* 0..159 signals IN/OUT */ - word * LARc)); /* 0..7 LARc's OUT */ - -extern void Gsm_Preprocess P(( - struct gsm_state * S, - word * s, word * so)); - -extern void Gsm_Encoding P(( - struct gsm_state * S, - word * e, - word * ep, - word * xmaxc, - word * Mc, - word * xMc)); - -extern void Gsm_Short_Term_Analysis_Filter P(( - struct gsm_state * S, - word * LARc, /* coded log area ratio [0..7] IN */ - word * d /* st res. signal [0..159] IN/OUT */)); - -extern void Gsm_Decoder P(( - struct gsm_state * S, - word * LARcr, /* [0..7] IN */ - word * Ncr, /* [0..3] IN */ - word * bcr, /* [0..3] IN */ - word * Mcr, /* [0..3] IN */ - word * xmaxcr, /* [0..3] IN */ - word * xMcr, /* [0..13*4] IN */ - word * s)); /* [0..159] OUT */ - -extern void Gsm_Decoding P(( - struct gsm_state * S, - word xmaxcr, - word Mcr, - word * xMcr, /* [0..12] IN */ - word * erp)); /* [0..39] OUT */ - -extern void Gsm_Long_Term_Synthesis_Filtering P(( - struct gsm_state* S, - word Ncr, - word bcr, - word * erp, /* [0..39] IN */ - word * drp)); /* [-120..-1] IN, [0..40] OUT */ - -void Gsm_RPE_Decoding P(( - struct gsm_state *S, - word xmaxcr, - word Mcr, - word * xMcr, /* [0..12], 3 bits IN */ - word * erp)); /* [0..39] OUT */ - -void Gsm_RPE_Encoding P(( - struct gsm_state * S, - word * e, /* -5..-1][0..39][40..44 IN/OUT */ - word * xmaxc, /* OUT */ - word * Mc, /* OUT */ - word * xMc)); /* [0..12] OUT */ - -extern void Gsm_Short_Term_Synthesis_Filter P(( - struct gsm_state * S, - word * LARcr, /* log area ratios [0..7] IN */ - word * drp, /* received d [0...39] IN */ - word * s)); /* signal s [0..159] OUT */ - -extern void Gsm_Update_of_reconstructed_short_time_residual_signal P(( - word * dpp, /* [0...39] IN */ - word * ep, /* [0...39] IN */ - word * dp)); /* [-120...-1] IN/OUT */ - -/* - * Tables from table.c - */ -#ifndef GSM_TABLE_C - -extern word gsm_A[8], gsm_B[8], gsm_MIC[8], gsm_MAC[8]; -extern word gsm_INVA[8]; -extern word gsm_DLB[4], gsm_QLB[4]; -extern word gsm_H[11]; -extern word gsm_NRFAC[8]; -extern word gsm_FAC[8]; - -#endif /* GSM_TABLE_C */ - -/* - * Debugging - */ -#ifdef NDEBUG - -# define gsm_debug_words(a, b, c, d) /* nil */ -# define gsm_debug_longwords(a, b, c, d) /* nil */ -# define gsm_debug_word(a, b) /* nil */ -# define gsm_debug_longword(a, b) /* nil */ - -#else /* !NDEBUG => DEBUG */ - - extern void gsm_debug_words P((char * name, int, int, word *)); - extern void gsm_debug_longwords P((char * name, int, int, longword *)); - extern void gsm_debug_longword P((char * name, longword)); - extern void gsm_debug_word P((char * name, word)); - -#endif /* !NDEBUG */ - -#include "unproto.h" - -#endif /* PRIVATE_H */ |