Version 0.1.10 from FTP

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@390 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_disa.c

@@ -88,7 +88,7 @@ float	val;
 	{
 		val = loudness * sin((f1 * 2.0 * M_PI * (*x))/8000.0);
 		val += loudness * sin((f2 * 2.0 * M_PI * (*x)++)/8000.0);
-		data[i] = ast_lin2mu[(int)val + 32768];
+		data[i] = AST_LIN2MU((int)val);
 	 }		
 	  /* wrap back around from 8000 */
 	if (*x >= 8000) *x = 0;
@@ -108,7 +108,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
 {
 	int i,j,k,x;
 	struct localuser *u;
-	char tmp[256],exten[AST_MAX_EXTENSION];
+	char tmp[256],exten[AST_MAX_EXTENSION],acctcode[20];
 	unsigned char tone_block[TONE_BLOCK_SIZE],sil_block[TONE_BLOCK_SIZE];
 	char *ourcontext;
 	struct ast_frame *f,wf;
@@ -134,7 +134,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
 		ast_log(LOG_WARNING, "disa requires an argument (passcode/passcode file)\n");
 		return -1;
 	}
-	strncpy(tmp, (char *)data, sizeof(tmp));
+	strncpy(tmp, (char *)data, sizeof(tmp)-1);
 	strtok(tmp, "|");
 	ourcontext = strtok(NULL, "|");
 	  /* if context not specified, use "disa" */
@@ -255,10 +255,13 @@ static int disa_exec(struct ast_channel *chan, void *data)
 					{
 						ast_log(LOG_WARNING,"DISA on chan %s got bad password %s\n",chan->name,exten);
 						goto reorder;
+
 					}
 					 /* password good, set to dial state */
 					k = 1;
 					i = 0;  /* re-set buffer pointer */
+					exten[sizeof(acctcode)] = 0;
+					strcpy(acctcode,exten);
 					exten[0] = 0;
 					ast_log(LOG_DEBUG,"Successful DISA log-in on chan %s\n",chan->name);
 					continue;
@@ -272,7 +275,9 @@ static int disa_exec(struct ast_channel *chan, void *data)
 			{
 				strcpy(chan->exten,exten);
 				strcpy(chan->context,ourcontext);
+				strcpy(chan->accountcode,acctcode);
 				chan->priority = 0;
+				ast_cdr_init(chan->cdr,chan);
 				LOCAL_USER_REMOVE(u);
 				return 0;
 			}

codecs/codec_ulaw.c

@@ -138,7 +138,7 @@ ulawtolin_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
   /* Reset ssindex and signal to frame's specified values */
   b = f->data;
   for (x=0;x<f->datalen;x++)
-  	tmp->outbuf[tmp->tail + x] = ast_mulaw[b[x]];
+  	tmp->outbuf[tmp->tail + x] = AST_MULAW(b[x]);
 
   tmp->tail += f->datalen;
   return 0;
@@ -200,7 +200,7 @@ lintoulaw_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
     }
   s = f->data;
   for (x=0;x<f->datalen/2;x++) 
-  	tmp->outbuf[x+tmp->tail] = ast_lin2mu[s[x]+32768];
+  	tmp->outbuf[x+tmp->tail] = AST_LIN2MU(s[x]);
   tmp->tail += f->datalen/2;
   return 0;
 }

include/asterisk/ulaw.h

@@ -14,10 +14,21 @@
 #ifndef _ASTERISK_ULAW_H
 #define _ASTERISK_ULAW_H
 
+//! Init the ulaw conversion stuff
+/*!
+ * To init the ulaw to slinear conversion stuff, this needs to be run.
+ */
 extern void ast_ulaw_init(void);
-extern unsigned char ast_lin2mu[65536];
-extern short ast_mulaw[256];
 
+//! converts signed linear to mulaw
+/*!
+  */
+extern unsigned char __ast_lin2mu[16384];
 
+//! help
+extern short __ast_mulaw[256];
+
+#define AST_LIN2MU(a) (__ast_lin2mu[((unsigned short)(a)) >> 2])
+#define AST_MULAW(a) (__ast_mulaw[(a)])
 
 #endif

tdd.c

@@ -0,0 +1,306 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * TTY/TDD Generation support 
+ * 
+ * Copyright (C) 2001, Linux Support Services, Inc.
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License.
+ *
+ * Includes code and algorithms from the Zapata library.
+ *
+ */
+
+#include <time.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#include <ctype.h>
+#include <asterisk/ulaw.h>
+#include <asterisk/tdd.h>
+#include <asterisk/logger.h>
+#include <asterisk/fskmodem.h>
+#include "ecdisa.h"
+
+
+struct tdd_state {
+	fsk_data fskd;
+	char rawdata[256];
+	short oldstuff[4096];
+	int oldlen;
+	int pos;
+	int modo;
+	int mode;
+};
+
+static float dr[4], di[4];
+static float tddsb = 176.0;  /* 45.5 baud */
+
+#define TDD_SPACE	1800.0		/* 1800 hz for "0" */
+#define TDD_MARK	1400.0		/* 1400 hz for "1" */
+
+static int tdd_decode_baudot(struct tdd_state *tdd,unsigned char data)	/* covert baudot into ASCII */
+{
+	static char ltrs[32]={'<','E','\n','A',' ','S','I','U',
+				'\n','D','R','J','N','F','C','K',
+				'T','Z','L','W','H','Y','P','Q',
+				'O','B','G','^','M','X','V','^'};
+	static char figs[32]={'<','3','\n','-',' ',',','8','7',
+				'\n','$','4','\'',',','<EFBFBD>',':','(',
+				'5','+',')','2','<EFBFBD>','6','0','1',
+				'9','7','<EFBFBD>','^','.','/','=','^'};
+	int d;
+	d=0;  /* return 0 if not decodeable */
+	switch (data) {
+	case 0x1f :	tdd->modo=0; break;
+	case 0x1b : tdd->modo=1; break;
+	default:	if (tdd->modo==0) d=ltrs[data]; else d=figs[data]; break;
+	}
+	return d;
+}
+
+void tdd_init(void)
+{
+	/* Initialize stuff for inverse FFT */
+	dr[0] = cos(TDD_SPACE * 2.0 * M_PI / 8000.0);
+	di[0] = sin(TDD_SPACE * 2.0 * M_PI / 8000.0);
+	dr[1] = cos(TDD_MARK * 2.0 * M_PI / 8000.0);
+	di[1] = sin(TDD_MARK * 2.0 * M_PI / 8000.0);
+}
+
+struct tdd_state *tdd_new(void)
+{
+	struct tdd_state *tdd;
+	tdd = malloc(sizeof(struct tdd_state));
+	memset(tdd, 0, sizeof(struct tdd_state));
+	if (tdd) {
+		tdd->fskd.spb = 176;		/* 45.5 baud */
+		tdd->fskd.hdlc = 0;		/* Async */
+		tdd->fskd.nbit = 5;		/* 5 bits */
+		tdd->fskd.nstop = 1.5;	/* 1.5 stop bits */
+		tdd->fskd.paridad = 0;	/* No parity */
+		tdd->fskd.bw=0;			/* Filter 75 Hz */
+		tdd->fskd.f_mark_idx =  0;	/* 1400 Hz */
+		tdd->fskd.f_space_idx = 1;	/* 1800 Hz */
+		tdd->fskd.pcola = 0;		/* No clue */
+		tdd->fskd.cont = 0;			/* Digital PLL reset */
+		tdd->fskd.x0 = 0.0;
+		tdd->fskd.state = 0;
+		tdd->pos = 0;
+		tdd->mode = 2;
+	} else
+		ast_log(LOG_WARNING, "Out of memory\n");
+	return tdd;
+}
+
+int ast_tdd_gen_ecdisa(unsigned char *outbuf, int len)
+{
+	int pos = 0;
+	int cnt;
+	while(len) {
+		cnt = len;
+		if (cnt > sizeof(ecdisa))
+			cnt = sizeof(ecdisa);
+		memcpy(outbuf + pos, ecdisa, cnt);
+		pos += cnt;
+		len -= cnt;
+	}
+	return 0;
+}
+
+int tdd_feed(struct tdd_state *tdd, unsigned char *ubuf, int len)
+{
+	int mylen = len;
+	int olen;
+	int b = 'X';
+	int res;
+	int c,x;
+	short *buf = malloc(2 * len + tdd->oldlen);
+	short *obuf = buf;
+	if (!buf) {
+		ast_log(LOG_WARNING, "Out of memory\n");
+		return -1;
+	}
+	memset(buf, 0, 2 * len + tdd->oldlen);
+	memcpy(buf, tdd->oldstuff, tdd->oldlen);
+	mylen += tdd->oldlen/2;
+	for (x=0;x<len;x++) 
+		buf[x+tdd->oldlen/2] = AST_MULAW(ubuf[x]);
+	c = res = 0;
+	while(mylen >= 1320) { /* has to have enough to work on */
+		olen = mylen;
+		res = fsk_serie(&tdd->fskd, buf, &mylen, &b);
+		if (mylen < 0) {
+			ast_log(LOG_ERROR, "fsk_serie made mylen < 0 (%d) (olen was %d)\n", mylen,olen);
+			free(obuf);
+			return -1;
+		}
+		buf += (olen - mylen);
+		if (res < 0) {
+			ast_log(LOG_NOTICE, "fsk_serie failed\n");
+			free(obuf);
+			return -1;
+		}
+		if (res == 1) {
+			/* Ignore invalid bytes */
+			if (b > 0x7f)
+				continue;
+			c = tdd_decode_baudot(tdd,b);
+			if ((c < 1) || (c > 126)) continue; /* if not valid */
+			break;
+		}
+	}
+	if (mylen) {
+		memcpy(tdd->oldstuff, buf, mylen * 2);
+		tdd->oldlen = mylen * 2;
+	} else
+		tdd->oldlen = 0;
+	free(obuf);
+	if (res)  {
+		tdd->mode = 2; /* put it in mode where it
+			reliably puts teleprinter in correct shift mode */
+		return(c);
+	}
+	return 0;
+}
+
+void tdd_free(struct tdd_state *tdd)
+{
+	free(tdd);
+}
+
+static inline float tdd_getcarrier(float *cr, float *ci, int bit)
+{
+	/* Move along.  There's nothing to see here... */
+	float t;
+	t = *cr * dr[bit] - *ci * di[bit];
+	*ci = *cr * di[bit] + *ci * dr[bit];
+	*cr = t;
+	
+	t = 2.0 - (*cr * *cr + *ci * *ci);
+	*cr *= t;
+	*ci *= t;
+	return *cr;
+}	
+
+#define PUT_BYTE(a) do { \
+	*(buf++) = (a); \
+	bytes++; \
+} while(0)
+
+#define PUT_AUDIO_SAMPLE(y) do { \
+	int index = (short)(rint(8192.0 * (y))); \
+	*(buf++) = AST_LIN2MU(index); \
+	bytes++; \
+} while(0)
+	
+#define PUT_TDD_MARKMS do { \
+	int x; \
+	for (x=0;x<8;x++) \
+		PUT_AUDIO_SAMPLE(tdd_getcarrier(&cr, &ci, 1)); \
+} while(0)
+
+#define PUT_TDD_BAUD(bit) do { \
+	while(scont < tddsb) { \
+		PUT_AUDIO_SAMPLE(tdd_getcarrier(&cr, &ci, bit)); \
+		scont += 1.0; \
+	} \
+	scont -= tddsb; \
+} while(0)
+
+#define PUT_TDD_STOP do { \
+	while(scont < (tddsb * 1.5)) { \
+		PUT_AUDIO_SAMPLE(tdd_getcarrier(&cr, &ci, 1)); \
+		scont += 1.0; \
+	} \
+	scont -= (tddsb * 1.5); \
+} while(0)
+
+
+#define PUT_TDD(byte) do { \
+	int z; \
+	unsigned char b = (byte); \
+	PUT_TDD_BAUD(0); 	/* Start bit */ \
+	for (z=0;z<5;z++) { \
+		PUT_TDD_BAUD(b & 1); \
+		b >>= 1; \
+	} \
+	PUT_TDD_STOP;	/* Stop bit */ \
+} while(0);	
+
+int tdd_generate(struct tdd_state *tdd, unsigned char *buf, char *str)
+{
+	int bytes=0;
+	int i,x;
+	char	c;
+	static unsigned char lstr[31] = "\000E\nA SIU\rDRJNFCKTZLWHYPQOBG\000MXV";
+	static unsigned char fstr[31] = "\0003\n- \00787\r$4',!:(5\")2\0006019?&\000./;";
+	/* Initial carriers (real/imaginary) */
+	float cr = 1.0;
+	float ci = 0.0;
+	float scont = 0.0;
+
+	for(x = 0; str[x]; x++) {
+		c = toupper(str[x]);
+#if	0
+		printf("%c",c); fflush(stdout);
+#endif
+		if (c == 0) /* send null */
+		   {
+			PUT_TDD(0);
+			continue;
+		   }
+		if (c == '\r') /* send c/r */
+		   {
+			PUT_TDD(8);
+			continue;
+		   }
+		if (c == '\n') /* send c/r and l/f */
+		   {
+			PUT_TDD(8);
+			PUT_TDD(2);
+			continue;
+		   }
+		if (c == ' ') /* send space */
+		   {
+			PUT_TDD(4);
+			continue;
+		   }
+		for(i = 0; i < 31; i++)
+		   {
+			if (lstr[i] == c) break;
+		   }
+		if (i < 31) /* if we found it */
+		   {
+			if (tdd->mode)  /* if in figs mode, change it */
+			   { 
+				PUT_TDD(31); /* Send LTRS */
+				tdd->mode = 0;
+			   }
+			PUT_TDD(i);
+			continue;
+		   }
+		for(i = 0; i < 31; i++)
+		   {
+			if (fstr[i] == c) break;
+		   }
+		if (i < 31) /* if we found it */
+		   {
+			if (tdd->mode != 1)  /* if in ltrs mode, change it */
+			   {
+				PUT_TDD(27); /* send FIGS */
+				tdd->mode = 1;
+			   }
+			PUT_TDD(i);  /* send byte */
+			continue;
+		   }
+	   }
+	return bytes;
+}
+
+

ulaw.c

@@ -17,8 +17,8 @@
 #define BIAS 0x84   /* define the add-in bias for 16 bit samples */
 #define CLIP 32635
 
-unsigned char ast_lin2mu[65536];
-short ast_mulaw[256];
+unsigned char __ast_lin2mu[16384];
+short __ast_mulaw[256];
 
 static unsigned char
 linear2ulaw(short sample)
@@ -76,12 +76,12 @@ void ast_ulaw_init(void)
 		y = f * (1 << (e + 3));
 		y += etab[e];
 		if (mu & 0x80) y = -y;
-	        ast_mulaw[i] = y;
+	        __ast_mulaw[i] = y;
 	   }
 	  /* set up the reverse (mu-law) conversion table */
-	for(i = 0; i < 65536; i++)
+	for(i = -32768; i < 32768; i++)
 	   {
-		ast_lin2mu[i] = linear2ulaw(i - 32768);
+		__ast_lin2mu[((unsigned short)i) >> 2] = linear2ulaw(i);
 	   }
 
 }