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Diffstat (limited to 'libs/libsndfile/src/GSM610/gsm610_priv.h')
| -rw-r--r-- | libs/libsndfile/src/GSM610/gsm610_priv.h | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/libs/libsndfile/src/GSM610/gsm610_priv.h b/libs/libsndfile/src/GSM610/gsm610_priv.h deleted file mode 100644 index c9ab3f25eb..0000000000 --- a/libs/libsndfile/src/GSM610/gsm610_priv.h +++ /dev/null @@ -1,308 +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. - */ - -#ifndef PRIVATE_H -#define PRIVATE_H - -/* Added by Erik de Castro Lopo */ -#define USE_FLOAT_MUL -#define FAST -#define WAV49 - -#ifdef __cplusplus -#error "This code is not designed to be compiled with a C++ compiler." -#endif -/* Added by Erik de Castro Lopo */ - - - -typedef short word; /* 16 bit signed int */ -typedef int longword; /* 32 bit signed int */ - -typedef unsigned short uword; /* unsigned word */ -typedef unsigned int 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 */ - - /* Moved here from code.c where it was defined as static */ - word e[50] ; -} ; - -typedef struct gsm_state GSM_STATE ; - -#define MIN_WORD (-32767 - 1) -#define MAX_WORD 32767 - -#define MIN_LONGWORD (-2147483647 - 1) -#define MAX_LONGWORD 2147483647 - -/* Signed arithmetic shift right. */ -static inline word -SASR_W (word x, word by) -{ return (x >> by) ; -} /* SASR */ - -static inline longword -SASR_L (longword x, word by) -{ return (x >> by) ; -} /* SASR */ - -/* - * Prototypes from add.c - */ -word gsm_mult (word a, word b) ; -longword gsm_L_mult (word a, word b) ; -word gsm_mult_r (word a, word b) ; - -word gsm_div (word num, word denum) ; - -word gsm_add (word a, word b ) ; -longword gsm_L_add (longword a, longword b ) ; - -word gsm_sub (word a, word b) ; -longword gsm_L_sub (longword a, longword b) ; - -word gsm_abs (word a) ; - -word gsm_norm (longword a ) ; - -longword gsm_L_asl (longword a, int n) ; -word gsm_asl (word a, int n) ; - -longword gsm_L_asr (longword a, int n) ; -word gsm_asr (word a, int n) ; - -/* - * Inlined functions from add.h - */ - -static inline longword -GSM_MULT_R (word a, word b) -{ return (((longword) (a)) * ((longword) (b)) + 16384) >> 15 ; -} /* GSM_MULT_R */ - -static inline longword -GSM_MULT (word a, word b) -{ return (((longword) (a)) * ((longword) (b))) >> 15 ; -} /* GSM_MULT */ - -static inline longword -GSM_L_MULT (word a, word b) -{ return ((longword) (a)) * ((longword) (b)) << 1 ; -} /* GSM_L_MULT */ - -static inline longword -GSM_L_ADD (longword a, longword b) -{ ulongword utmp ; - - if (a < 0 && b < 0) - { utmp = (ulongword)-((a) + 1) + (ulongword)-((b) + 1) ; - return (utmp >= (ulongword) MAX_LONGWORD) ? MIN_LONGWORD : -(longword)utmp-2 ; - } ; - - if (a > 0 && b > 0) - { utmp = (ulongword) a + (ulongword) b ; - return (utmp >= (ulongword) MAX_LONGWORD) ? MAX_LONGWORD : utmp ; - } ; - - return a + b ; -} /* GSM_L_ADD */ - -static inline longword -GSM_ADD (word a, word b) -{ longword ltmp ; - - ltmp = ((longword) a) + ((longword) b) ; - - if (ltmp >= MAX_WORD) - return MAX_WORD ; - if (ltmp <= MIN_WORD) - return MIN_WORD ; - - return ltmp ; -} /* GSM_ADD */ - -static inline longword -GSM_SUB (word a, word b) -{ longword ltmp ; - - ltmp = ((longword) a) - ((longword) b) ; - - if (ltmp >= MAX_WORD) - ltmp = MAX_WORD ; - else if (ltmp <= MIN_WORD) - ltmp = MIN_WORD ; - - return ltmp ; -} /* GSM_SUB */ - -static inline word -GSM_ABS (word a) -{ - if (a > 0) - return a ; - if (a == MIN_WORD) - return MAX_WORD ; - return -a ; -} /* GSM_ADD */ - - -/* - * More prototypes from implementations.. - */ -void Gsm_Coder ( - 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 */ - -void Gsm_Long_Term_Predictor ( /* 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 */ - -void Gsm_LPC_Analysis ( - struct gsm_state * S, - word * s, /* 0..159 signals IN/OUT */ - word * LARc) ; /* 0..7 LARc's OUT */ - -void Gsm_Preprocess ( - struct gsm_state * S, - word * s, word * so) ; - -void Gsm_Encoding ( - struct gsm_state * S, - word * e, - word * ep, - word * xmaxc, - word * Mc, - word * xMc) ; - -void Gsm_Short_Term_Analysis_Filter ( - struct gsm_state * S, - word * LARc, /* coded log area ratio [0..7] IN */ - word * d) ; /* st res. signal [0..159] IN/OUT */ - -void Gsm_Decoder ( - 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 */ - -void Gsm_Decoding ( - struct gsm_state * S, - word xmaxcr, - word Mcr, - word * xMcr, /* [0..12] IN */ - word * erp) ; /* [0..39] OUT */ - -void Gsm_Long_Term_Synthesis_Filtering ( - 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 ( - /*-struct gsm_state *S,-*/ - word xmaxcr, - word Mcr, - word * xMcr, /* [0..12], 3 bits IN */ - word * erp) ; /* [0..39] OUT */ - -void Gsm_RPE_Encoding ( - /*-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 */ - -void Gsm_Short_Term_Synthesis_Filter ( - 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 */ - -void Gsm_Update_of_reconstructed_short_time_residual_signal ( - 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 */ - - void gsm_debug_words (char * name, int, int, word *) ; - void gsm_debug_longwords (char * name, int, int, longword *) ; - void gsm_debug_longword (char * name, longword) ; - void gsm_debug_word (char * name, word) ; - -#endif /* !NDEBUG */ - -#endif /* PRIVATE_H */ -/* -** Do not edit or modify anything in this comment block. -** The arch-tag line is a file identity tag for the GNU Arch -** revision control system. -** -** arch-tag: 8bc5fdf2-e8c8-4686-9bd7-a30b512bef0c -*/ - |