aboutsummaryrefslogtreecommitdiffstats
path: root/trunk/codecs/gsm/inc/private.h
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/codecs/gsm/inc/private.h')
-rw-r--r--trunk/codecs/gsm/inc/private.h312
1 files changed, 0 insertions, 312 deletions
diff --git a/trunk/codecs/gsm/inc/private.h b/trunk/codecs/gsm/inc/private.h
deleted file mode 100644
index 7021030ac..000000000
--- a/trunk/codecs/gsm/inc/private.h
+++ /dev/null
@@ -1,312 +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)
-
-#if defined(__GNUC__) && defined(__i386__)
-
-static __inline__ int GSM_L_ADD(int a, int b)
-{
- __asm__ __volatile__(
-
- "addl %2,%0; jno 0f; movl $0x7fffffff,%0; adcl $0,%0; 0:"
- : "=r" (a)
- : "0" (a), "ir" (b)
- : "cc"
- );
- return(a);
-}
-
-static __inline__ short GSM_ADD(short a, short b)
-{
- __asm__ __volatile__(
- "addw %2,%0; jno 0f; movw $0x7fff,%0; adcw $0,%0; 0:"
- : "=r" (a)
- : "0" (a), "ir" (b)
- : "cc"
- );
- return(a);
-}
-
-static __inline__ short GSM_SUB(short a, short b)
-{
- __asm__ __volatile__(
- "subw %2,%0; jno 0f; movw $0x7fff,%0; adcw $0,%0; 0:"
- : "=r" (a)
- : "0" (a), "ir" (b)
- : "cc"
- );
- return(a);
-}
-
-#else
-
-#ifdef WIN32
-#define inline __inline
-#define __inline__ __inline
-#endif
-
-# 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))
-
-static inline word GSM_ADD(longword a, longword b)
-{
- register longword ltmp;
- ltmp = a + b;
- return (word)((ulongword) (ltmp - MIN_WORD) > MAX_WORD - MIN_WORD ? (ltmp > 0 ? MAX_WORD : MIN_WORD) : ltmp);
-};
-
-static inline word GSM_SUB(longword a, longword b)
-{
- register longword ltmp;
- ltmp = a - b;
- return (word)(ltmp >= MAX_WORD ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp);
-};
-
-#endif
-
-# 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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 21:45:30 +0000