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FS-3570 receive side, update libteletone to track duration so it is less likely to double detect and push api changes down to freetdm

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This commit is contained in:
Anthony Minessale
2011-09-16 10:05:43 -05:00
parent d9ce90d7b9
commit a65794fb5e
14 changed files with 434 additions and 191 deletions
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63
libs/freetdm/src/libteletone_generate.c
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@@ -1,5 +1,41 @@
/*
* libteletone_generate.c -- Tone Generator
* libteletone
* Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libteletone
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
*
* libteletone.c -- Tone Generator
*
*
*
* Exception:
* The author hereby grants the use of this source code under the
* following license if and only if the source code is distributed
* as part of the OpenZAP or FreeTDM library. Any use or distribution of this
* source code outside the scope of the OpenZAP or FreeTDM library will nullify the
* following license and reinact the MPL 1.1 as stated above.
*
* Copyright (c) 2007, Anthony Minessale II
* All rights reserved.
@@ -34,7 +70,6 @@
*/
#include <libteletone.h>
#include "private/ftdm_core.h"
#define SMAX 32767
#define SMIN -32768
@@ -111,7 +146,7 @@ TELETONE_API(int) teletone_init_session(teletone_generation_session_t *ts, int b
ts->decay_step = 0;
ts->decay_factor = 1;
if (buflen) {
if ((ts->buffer = ftdm_calloc(buflen, sizeof(teletone_audio_t))) == 0) {
if ((ts->buffer = calloc(buflen, sizeof(teletone_audio_t))) == 0) {
return -1;
}
ts->datalen = buflen;
@@ -142,7 +177,7 @@ TELETONE_API(int) teletone_init_session(teletone_generation_session_t *ts, int b
TELETONE_API(int) teletone_destroy_session(teletone_generation_session_t *ts)
{
if (ts->buffer) {
ftdm_safe_free(ts->buffer);
free(ts->buffer);
ts->buffer = NULL;
ts->samples = 0;
}
@@ -270,6 +305,19 @@ TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone
return ts->samples / ts->channels;
}
/* don't ask */
static char *my_strdup (const char *s)
{
size_t len = strlen (s) + 1;
void *new = malloc (len);
if (new == NULL) {
return NULL;
}
return (char *) memcpy (new, s, len);
}
TELETONE_API(int) teletone_run(teletone_generation_session_t *ts, const char *cmd)
{
char *data = NULL, *cur = NULL, *end = NULL;
@@ -280,7 +328,7 @@ TELETONE_API(int) teletone_run(teletone_generation_session_t *ts, const char *cm
}
do {
if (!(data = ftdm_strdup(cmd))) {
if (!(data = my_strdup(cmd))) {
return -1;
}
@@ -363,6 +411,9 @@ TELETONE_API(int) teletone_run(teletone_generation_session_t *ts, const char *cm
*e++ = '\0';
}
do {
if (!p) {
break;
}
if ((next = strchr(p, ',')) != 0) {
*next++ = '\0';
}
@@ -427,7 +478,7 @@ TELETONE_API(int) teletone_run(teletone_generation_session_t *ts, const char *cm
}
}
bottom:
ftdm_safe_free(data);
free(data);
data = NULL;
if (ts->LOOPS > 0) {
ts->LOOPS--;