/* * 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: /home/kbs/jutta/src/gsm/gsm-1.0/src/RCS/gsm_implode.c,v 1.2 1996/07/02 14:32:43 jutta Exp $ */#include "private.h"#include "gsm.h"#include "proto.h"void gsm_implode P3((s, source, c), gsm s, gsm_signal * source, gsm_byte * c){	/*	variable	size	index		GSM_MAGIC	4	-		LARc[0]		6	0		LARc[1]		6	1		LARc[2]		5	2		LARc[3]		5	3		LARc[4]		4	4		LARc[5]		4	5		LARc[6]		3	6		LARc[7]		3	7		Nc[0]		7	8		bc[0]		2	9		Mc[0]		2	10		xmaxc[0]	6	11		xmc[0]		3	12		xmc[1]		3	13		xmc[2]		3	14		xmc[3]		3	15		xmc[4]		3	16		xmc[5]		3	17		xmc[6]		3	18		xmc[7]		3	19		xmc[8]		3	20		xmc[9]		3	21		xmc[10]		3	22		xmc[11]		3	23		xmc[12]		3	24		Nc[1]		7	25		bc[1]		2	26		Mc[1]		2	27		xmaxc[1]	6	28		xmc[13]		3	29		xmc[14]		3	30		xmc[15]		3	31		xmc[16]		3	32		xmc[17]		3	33		xmc[18]		3	34		xmc[19]		3	35		xmc[20]		3	36		xmc[21]		3	37		xmc[22]		3	38		xmc[23]		3	39		xmc[24]		3	40		xmc[25]		3	41		Nc[2]		7	42		bc[2]		2	43		Mc[2]		2	44		xmaxc[2]	6	45		xmc[26]		3	46		xmc[27]		3	47		xmc[28]		3	48		xmc[29]		3	49		xmc[30]		3	50		xmc[31]		3	51		xmc[32]		3	52		xmc[33]		3	53		xmc[34]		3	54		xmc[35]		3	55		xmc[36]		3	56		xmc[37]		3	57		xmc[38]		3	58		Nc[3]		7	59		bc[3]		2	60		Mc[3]		2	61		xmaxc[3]	6	62		xmc[39]		3	63		xmc[40]		3	64		xmc[41]		3	65		xmc[42]		3	66		xmc[43]		3	67		xmc[44]		3	68		xmc[45]		3	69		xmc[46]		3	70		xmc[47]		3	71		xmc[48]		3	72		xmc[49]		3	73		xmc[50]		3	74		xmc[51]		3	75	*/	/*	There are 76 parameters per frame.  The first eight are	 * 	unique.  The remaining 68 are four identical subframes of	 * 	17 parameters each.  gsm_implode converts from a representation	 * 	of these parameters as values in one array of signed words	 * 	to the "packed" version of a GSM frame.	 */#	define	LARc	source#	define	Nc	*((gsm_signal (*) [17])(source + 8))#	define	bc	*((gsm_signal (*) [17])(source + 9))#	define	Mc	*((gsm_signal (*) [17])(source + 10))#	define	xmaxc	*((gsm_signal (*) [17])(source + 11))#ifdef WAV49	if (s->wav_fmt) {		uword sr = 0;		if (s->frame_index == 0) {			sr = *c++;			LARc[0] = sr & 0x3f;  sr >>= 6;			sr |= (uword)*c++ << 2;			LARc[1] = sr & 0x3f;  sr >>= 6;			sr |= (uword)*c++ << 4;			LARc[2] = sr & 0x1f;  sr >>= 5;			LARc[3] = sr & 0x1f;  sr >>= 5;			sr |= (uword)*c++ << 2;			LARc[4] = sr & 0xf;  sr >>= 4;			LARc[5] = sr & 0xf;  sr >>= 4;			sr |= (uword)*c++ << 2;			/* 5 */			LARc[6] = sr & 0x7;  sr >>= 3;			LARc[7] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 4;			Nc[0] = sr & 0x7f;  sr >>= 7;			bc[0] = sr & 0x3;  sr >>= 2;			Mc[0] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 1;			xmaxc[0] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 12)			xmc[0] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[1] = sr & 0x7;  sr >>= 3;			xmc[2] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[3] = sr & 0x7;  sr >>= 3;			xmc[4] = sr & 0x7;  sr >>= 3;			xmc[5] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			/* 10 */			xmc[6] = sr & 0x7;  sr >>= 3;			xmc[7] = sr & 0x7;  sr >>= 3;			xmc[8] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[9] = sr & 0x7;  sr >>= 3;			xmc[10] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[11] = sr & 0x7;  sr >>= 3;			xmc[12] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 4;			Nc[1] = sr & 0x7f;  sr >>= 7;			bc[1] = sr & 0x3;  sr >>= 2;			Mc[1] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 1;			xmaxc[1] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 29 - 13)			xmc[13] = sr & 0x7;  sr >>= 3;			sr = *c++;				/* 15 */			xmc[14] = sr & 0x7;  sr >>= 3;			xmc[15] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[16] = sr & 0x7;  sr >>= 3;			xmc[17] = sr & 0x7;  sr >>= 3;			xmc[18] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[19] = sr & 0x7;  sr >>= 3;			xmc[20] = sr & 0x7;  sr >>= 3;			xmc[21] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[22] = sr & 0x7;  sr >>= 3;			xmc[23] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[24] = sr & 0x7;  sr >>= 3;			xmc[25] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 4;			/* 20 */			Nc[2] = sr & 0x7f;  sr >>= 7;			bc[2] = sr & 0x3;  sr >>= 2;			Mc[2] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 1;			xmaxc[2] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 46 - 26)			xmc[26] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[27] = sr & 0x7;  sr >>= 3;			xmc[28] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[29] = sr & 0x7;  sr >>= 3;			xmc[30] = sr & 0x7;  sr >>= 3;			xmc[31] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[32] = sr & 0x7;  sr >>= 3;			xmc[33] = sr & 0x7;  sr >>= 3;			xmc[34] = sr & 0x7;  sr >>= 3;			sr = *c++;				/* 25 */			xmc[35] = sr & 0x7;  sr >>= 3;			xmc[36] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[37] = sr & 0x7;  sr >>= 3;			xmc[38] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 4;			Nc[3] = sr & 0x7f;  sr >>= 7;			bc[3] = sr & 0x3;  sr >>= 2;			Mc[3] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 1;			xmaxc[3] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 63 - 39)			xmc[39] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[40] = sr & 0x7;  sr >>= 3;			xmc[41] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			/* 30 */			xmc[42] = sr & 0x7;  sr >>= 3;			xmc[43] = sr & 0x7;  sr >>= 3;			xmc[44] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[45] = sr & 0x7;  sr >>= 3;			xmc[46] = sr & 0x7;  sr >>= 3;			xmc[47] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[48] = sr & 0x7;  sr >>= 3;			xmc[49] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[50] = sr & 0x7;  sr >>= 3;			xmc[51] = sr & 0x7;  sr >>= 3;			s->frame_chain = sr & 0xf;		}		else {			sr = s->frame_chain;			sr |= (uword)*c++ << 4;			/* 1 */			LARc[0] = sr & 0x3f;  sr >>= 6;			LARc[1] = sr & 0x3f;  sr >>= 6;			sr = *c++;			LARc[2] = sr & 0x1f;  sr >>= 5;			sr |= (uword)*c++ << 3;			LARc[3] = sr & 0x1f;  sr >>= 5;			LARc[4] = sr & 0xf;  sr >>= 4;			sr |= (uword)*c++ << 2;			LARc[5] = sr & 0xf;  sr >>= 4;			LARc[6] = sr & 0x7;  sr >>= 3;			LARc[7] = sr & 0x7;  sr >>= 3;			sr = *c++;				/* 5 */			Nc[0] = sr & 0x7f;  sr >>= 7;			sr |= (uword)*c++ << 1;			bc[0] = sr & 0x3;  sr >>= 2;			Mc[0] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 5;			xmaxc[0] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 12)			xmc[0] = sr & 0x7;  sr >>= 3;			xmc[1] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[2] = sr & 0x7;  sr >>= 3;			xmc[3] = sr & 0x7;  sr >>= 3;			xmc[4] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[5] = sr & 0x7;  sr >>= 3;			xmc[6] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			/* 10 */			xmc[7] = sr & 0x7;  sr >>= 3;			xmc[8] = sr & 0x7;  sr >>= 3;			xmc[9] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[10] = sr & 0x7;  sr >>= 3;			xmc[11] = sr & 0x7;  sr >>= 3;			xmc[12] = sr & 0x7;  sr >>= 3;			sr = *c++;			Nc[1] = sr & 0x7f;  sr >>= 7;			sr |= (uword)*c++ << 1;			bc[1] = sr & 0x3;  sr >>= 2;			Mc[1] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 5;			xmaxc[1] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 29 - 13)			xmc[13] = sr & 0x7;  sr >>= 3;			xmc[14] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			/* 15 */			xmc[15] = sr & 0x7;  sr >>= 3;			xmc[16] = sr & 0x7;  sr >>= 3;			xmc[17] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[18] = sr & 0x7;  sr >>= 3;			xmc[19] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[20] = sr & 0x7;  sr >>= 3;			xmc[21] = sr & 0x7;  sr >>= 3;			xmc[22] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[23] = sr & 0x7;  sr >>= 3;			xmc[24] = sr & 0x7;  sr >>= 3;			xmc[25] = sr & 0x7;  sr >>= 3;			sr = *c++;			Nc[2] = sr & 0x7f;  sr >>= 7;			sr |= (uword)*c++ << 1;			/* 20 */			bc[2] = sr & 0x3;  sr >>= 2;			Mc[2] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 5;			xmaxc[2] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 46 - 26)			xmc[26] = sr & 0x7;  sr >>= 3;			xmc[27] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;				xmc[28] = sr & 0x7;  sr >>= 3;			xmc[29] = sr & 0x7;  sr >>= 3;			xmc[30] = sr & 0x7;  sr >>= 3;			sr = *c++;			xmc[31] = sr & 0x7;  sr >>= 3;			xmc[32] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[33] = sr & 0x7;  sr >>= 3;			xmc[34] = sr & 0x7;  sr >>= 3;			xmc[35] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			/* 25 */			xmc[36] = sr & 0x7;  sr >>= 3;			xmc[37] = sr & 0x7;  sr >>= 3;			xmc[38] = sr & 0x7;  sr >>= 3;			sr = *c++;			Nc[3] = sr & 0x7f;  sr >>= 7;			sr |= (uword)*c++ << 1;					bc[3] = sr & 0x3;  sr >>= 2;			Mc[3] = sr & 0x3;  sr >>= 2;			sr |= (uword)*c++ << 5;			xmaxc[3] = sr & 0x3f;  sr >>= 6;#undef	xmc#define	xmc	(source + 63 - 39)			xmc[39] = sr & 0x7;  sr >>= 3;			xmc[40] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[41] = sr & 0x7;  sr >>= 3;			xmc[42] = sr & 0x7;  sr >>= 3;			xmc[43] = sr & 0x7;  sr >>= 3;			sr = *c++;				/* 30 */			xmc[44] = sr & 0x7;  sr >>= 3;			xmc[45] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 2;			xmc[46] = sr & 0x7;  sr >>= 3;			xmc[47] = sr & 0x7;  sr >>= 3;			xmc[48] = sr & 0x7;  sr >>= 3;			sr |= (uword)*c++ << 1;			xmc[49] = sr & 0x7;  sr >>= 3;			xmc[50] = sr & 0x7;  sr >>= 3;			xmc[51] = sr & 0x7;  sr >>= 3;		}	}	else#endif 	{	*c++ =   ((GSM_MAGIC & 0xF) << 4)		/* 1 */	       | ((LARc[0] >> 2) & 0xF);	*c++ =   ((LARc[0] & 0x3) << 6)	       | (LARc[1] & 0x3F);	*c++ =   ((LARc[2] & 0x1F) << 3)	       | ((LARc[3] >> 2) & 0x7);	*c++ =   ((LARc[3] & 0x3) << 6)	       | ((LARc[4] & 0xF) << 2)	       | ((LARc[5] >> 2) & 0x3);	*c++ =   ((LARc[5] & 0x3) << 6)	       | ((LARc[6] & 0x7) << 3)	       | (LARc[7] & 0x7);	*c++ =   ((Nc[0] & 0x7F) << 1)	       | ((bc[0] >> 1) & 0x1);	*c++ =   ((bc[0] & 0x1) << 7)	       | ((Mc[0] & 0x3) << 5)	       | ((xmaxc[0] >> 1) & 0x1F);	*c++ =   ((xmaxc[0] & 0x1) << 7)#undef xmc#define	xmc	(source + 12)	       | ((xmc[0] & 0x7) << 4)	       | ((xmc[1] & 0x7) << 1)	       | ((xmc[2] >> 2) & 0x1);	*c++ =   ((xmc[2] & 0x3) << 6)	       | ((xmc[3] & 0x7) << 3)	       | (xmc[4] & 0x7);	*c++ =   ((xmc[5] & 0x7) << 5)			/* 10 */	       | ((xmc[6] & 0x7) << 2)	       | ((xmc[7] >> 1) & 0x3);	*c++ =   ((xmc[7] & 0x1) << 7)	       | ((xmc[8] & 0x7) << 4)	       | ((xmc[9] & 0x7) << 1)	       | ((xmc[10] >> 2) & 0x1);	*c++ =   ((xmc[10] & 0x3) << 6)	       | ((xmc[11] & 0x7) << 3)	       | (xmc[12] & 0x7);	*c++ =   ((Nc[1] & 0x7F) << 1)	       | ((bc[1] >> 1) & 0x1);	*c++ =   ((bc[1] & 0x1) << 7)	       | ((Mc[1] & 0x3) << 5)	       | ((xmaxc[1] >> 1) & 0x1F);	*c++ =   ((xmaxc[1] & 0x1) << 7)#undef	xmc#define	xmc	(source + 29 - 13)	       | ((xmc[13] & 0x7) << 4)	       | ((xmc[14] & 0x7) << 1)	       | ((xmc[15] >> 2) & 0x1);	*c++ =   ((xmc[15] & 0x3) << 6)	       | ((xmc[16] & 0x7) << 3)	       | (xmc[17] & 0x7);	*c++ =   ((xmc[18] & 0x7) << 5)	       | ((xmc[19] & 0x7) << 2)	       | ((xmc[20] >> 1) & 0x3);	*c++ =   ((xmc[20] & 0x1) << 7)	       | ((xmc[21] & 0x7) << 4)	       | ((xmc[22] & 0x7) << 1)	       | ((xmc[23] >> 2) & 0x1);	*c++ =   ((xmc[23] & 0x3) << 6)	       | ((xmc[24] & 0x7) << 3)	       | (xmc[25] & 0x7);	*c++ =   ((Nc[2] & 0x7F) << 1)			/* 20 */	       | ((bc[2] >> 1) & 0x1);	*c++ =   ((bc[2] & 0x1) << 7)	       | ((Mc[2] & 0x3) << 5)	       | ((xmaxc[2] >> 1) & 0x1F);	*c++ =   ((xmaxc[2] & 0x1) << 7)#undef	xmc#define	xmc	(source + 46 - 26)	       | ((xmc[26] & 0x7) << 4)	       | ((xmc[27] & 0x7) << 1)	       | ((xmc[28] >> 2) & 0x1);	*c++ =   ((xmc[28] & 0x3) << 6)	       | ((xmc[29] & 0x7) << 3)	       | (xmc[30] & 0x7);	*c++ =   ((xmc[31] & 0x7) << 5)	       | ((xmc[32] & 0x7) << 2)	       | ((xmc[33] >> 1) & 0x3);	*c++ =   ((xmc[33] & 0x1) << 7)	       | ((xmc[34] & 0x7) << 4)	       | ((xmc[35] & 0x7) << 1)	       | ((xmc[36] >> 2) & 0x1);	*c++ =   ((xmc[36] & 0x3) << 6)	       | ((xmc[37] & 0x7) << 3)	       | (xmc[38] & 0x7);	*c++ =   ((Nc[3] & 0x7F) << 1)	       | ((bc[3] >> 1) & 0x1);	*c++ =   ((bc[3] & 0x1) << 7)	       | ((Mc[3] & 0x3) << 5)	       | ((xmaxc[3] >> 1) & 0x1F);	*c++ =   ((xmaxc[3] & 0x1) << 7)#undef	xmc#define	xmc	(source + 63 - 39)	       | ((xmc[39] & 0x7) << 4)	       | ((xmc[40] & 0x7) << 1)	       | ((xmc[41] >> 2) & 0x1);	*c++ =   ((xmc[41] & 0x3) << 6)			/* 30 */	       | ((xmc[42] & 0x7) << 3)	       | (xmc[43] & 0x7);	*c++ =   ((xmc[44] & 0x7) << 5)	       | ((xmc[45] & 0x7) << 2)	       | ((xmc[46] >> 1) & 0x3);	*c++ =   ((xmc[46] & 0x1) << 7)	       | ((xmc[47] & 0x7) << 4)	       | ((xmc[48] & 0x7) << 1)	       | ((xmc[49] >> 2) & 0x1);	*c++ =   ((xmc[49] & 0x3) << 6)	       | ((xmc[50] & 0x7) << 3)	       | (xmc[51] & 0x7);	}}