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- #ifndef PRIVATE_H
- #define PRIVATE_H
- typedef short word;
- typedef long longword;
- typedef unsigned short uword;
- typedef unsigned long ulongword;
- struct gsm_state {
- word dp0[ 280 ];
- word e[ 50 ];
- word z1;
- longword L_z2;
- int mp;
- word u[8];
- word LARpp[2][8];
- word j;
- word ltp_cut;
- word nrp;
- word v[9];
- word msr;
- char verbose;
- char fast;
- char wav_fmt;
- unsigned char frame_index;
- unsigned char frame_chain;
- };
- #define MIN_WORD (-32767 - 1)
- #define MAX_WORD 32767
- #define MIN_LONGWORD (-2147483647 - 1)
- #define MAX_LONGWORD 2147483647
- #ifdef SASR
- #undef SASR
- #define SASR(x, by) ((x) >> (by))
- #else
- #define SASR(x, by) ((x) >= 0 ? (x) >> (by) : (~(-((x) + 1) >> (by))))
- #endif
- #include "proto.h"
- 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));
- #define GSM_MULT_R(a, b) \
- (SASR( ((longword)(a) * (longword)(b) + 16384), 15 ))
- # define GSM_MULT(a,b) \
- (SASR( ((longword)(a) * (longword)(b)), 15 ))
- # define GSM_L_MULT(a, 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) \
- ((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))
- extern void Gsm_Coder P((
- struct gsm_state * S,
- word * s,
- word * LARc,
- word * Nc,
- word * bc,
- word * Mc,
- word * xmaxc,
- word * xMc ));
- extern void Gsm_Long_Term_Predictor P((
- struct gsm_state * S,
- word * d,
- word * dp,
- word * e,
- word * dpp,
- word * Nc,
- word * bc ));
- extern void Gsm_LPC_Analysis P((
- struct gsm_state * S,
- word * s,
- word * LARc));
- 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,
- word * d ));
- extern void Gsm_Decoder P((
- struct gsm_state * S,
- word * LARcr,
- word * Ncr,
- word * bcr,
- word * Mcr,
- word * xmaxcr,
- word * xMcr,
- word * s));
- extern void Gsm_Decoding P((
- struct gsm_state * S,
- word xmaxcr,
- word Mcr,
- word * xMcr,
- word * erp));
- extern void Gsm_Long_Term_Synthesis_Filtering P((
- struct gsm_state* S,
- word Ncr,
- word bcr,
- word * erp,
- word * drp));
- void Gsm_RPE_Decoding P((
- struct gsm_state *S,
- word xmaxcr,
- word Mcr,
- word * xMcr,
- word * erp));
- void Gsm_RPE_Encoding P((
- struct gsm_state * S,
- word * e,
- word * xmaxc,
- word * Mc,
- word * xMc));
- extern void Gsm_Short_Term_Synthesis_Filter P((
- struct gsm_state * S,
- word * LARcr,
- word * drp,
- word * s));
- extern void Gsm_Update_of_reconstructed_short_time_residual_signal P((
- word * dpp,
- word * ep,
- word * dp));
- #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
- #ifdef NDEBUG
- # define gsm_debug_words(a, b, c, d)
- # define gsm_debug_longwords(a, b, c, d)
- # define gsm_debug_word(a, b)
- # define gsm_debug_longword(a, b)
- #else
- 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
- #include "unproto.h"
- #endif
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