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chan-capi
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Enable/Disable echosquelch via capicommand().

V0_6
MelwareDE 2005-08-14 13:59:16 +00:00
parent 743e63fbf7
commit 202a55682e
4 changed files with 42 additions and 106 deletions
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2
Makefile
View File

@ -43,7 +43,7 @@ CC=gcc
INSTALL=install
SHAREDOS=chan_capi.so app_capiHOLD.so app_capiRETRIEVE.so \
app_capiECT.so app_capiMCID.so app_capiNoES.so
app_capiECT.so app_capiMCID.so
CFLAGS+=-Wno-missing-prototypes -Wno-missing-declarations

10
README
View File

@ -58,8 +58,6 @@ This chan_capi version includes:
- report correct DIALSTATUS and HANGUPCAUSE.
- Updated to support the new frame->delivery field
- Compiles with different Asterisk versions (automatic build configuration)
- Added app_capiNoES for disabling the primitive echo suppressor, use this
before you start recording voicemail or your files may get choppy
- receive faxes over CAPI (see below)
- Fixes for BSD (Jan Stocker)
- Support 'type of number'.
@ -109,6 +107,14 @@ Fax receive:
exten => s,1,capicommand(receivefax|/tmp/${UNIQUEID}|+49 6137 555123|Asterisk)
(more see below)
Enable/Disable echosquelch:
Enable or disable a very primitive echo suppressor.
Disable this before you start recording voicemail or your files may get choppy.
Example:
exten => s,1,capicommand(echosquelch|yes)
or
exten => s,1,capicommand(echosquelch|no)
Helper applications
===================

98
app_capiNoES.c
View File

@ -1,98 +0,0 @@
/*
* (CAPI*)
*
* An implementation of Common ISDN API 2.0 for Asterisk
*
* Disable echo suppression (useful for fax and voicemail!)
*
* Copyright (C) 2005 Cytronics & Melware
*
* Armin Schindler <armin@melware.de>
*
* Reworked, but based on the work of
* Copyright (C) 2002-2005 Junghanns.NET GmbH
*
* Klaus-Peter Junghanns <kapejod@ns1.jnetdns.de>
*
* This program is free software and may be modified and
* distributed under the terms of the GNU Public License.
*/
#include "config.h"
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#ifndef CC_AST_HAVE_TECH_PVT
#include <asterisk/channel_pvt.h>
#endif
#include <asterisk/pbx.h>
#include <asterisk/module.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
#include <capi20.h>
#include "chan_capi_pvt.h"
#include "chan_capi_app.h"
static char *tdesc = "(CAPI*) No Echo Suppression.";
static char *app = "capiNoES";
static char *synopsis = "Disable Echo Suppression";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int capiNoES_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
LOCAL_USER_ADD(u);
if (strcasecmp("CAPI", chan->type) == 0) {
struct ast_capi_pvt *i = CC_AST_CHANNEL_PVT(chan);
if (i->doES == 1) {
i->doES = 0;
}
} else {
ast_log(LOG_WARNING, "capiNoES only works on CAPI channels, check your extensions.conf!\n");
}
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
return ast_unregister_application(app);
}
int load_module(void)
{
return ast_register_application(app, capiNoES_exec, synopsis, tdesc);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}

38
chan_capi.c
View File

@ -2244,10 +2244,8 @@ static void capi_handle_data_b3_indication(_cmsg *CMSG, unsigned int PLCI, unsig
} else {
memset(b3buf, 84, b3len);
}
if (capidebug) {
ast_log(LOG_NOTICE, "%s: SUPPRESSING ECHO rx=%d, tx=%d\n",
cc_ast_verbose(6, 1, VERBOSE_PREFIX_2 "%s: SUPPRESSING ECHO rx=%d, tx=%d\n",
i->name, rxavg, txavg);
}
}
} else {
for (j = 0; j < b3len; j++) {
@ -3000,6 +2998,30 @@ static void capi_handle_msg(_cmsg *CMSG)
}
}
/*
* set echo squelch
*/
static int capi_echosquelch(struct ast_channel *c, char *param)
{
struct ast_capi_pvt *i = CC_AST_CHANNEL_PVT(c);
if (!param) {
ast_log(LOG_WARNING, "Parameter for echosquelch missing.\n");
return -1;
}
if (ast_true(param)) {
i->doES = 1;
} else if (ast_false(param)) {
i->doES = 0;
} else {
ast_log(LOG_WARNING, "Parameter for echosquelch invalid.\n");
return -1;
}
cc_ast_verbose(2, 1, VERBOSE_PREFIX_1 "%s: echosquelch switched %s\n",
i->name, i->doES ? "ON":"OFF");
return 0;
}
/*
* set early-B3 for incoming connections
* (only for NT mode)
@ -3079,6 +3101,8 @@ static int capicommand_exec(struct ast_channel *chan, void *data)
res = capi_call_deflect(chan, params);
} else if (!strcasecmp(command, "receivefax")) {
res = capi_receive_fax(chan, params);
} else if (!strcasecmp(command, "echosquelch")) {
res = capi_echosquelch(chan, params);
} else {
res = -1;
ast_log(LOG_WARNING, "Unknown command '%s' for capiCommand\n",
@ -3645,8 +3669,12 @@ static int conf_interface(struct ast_capi_conf *conf, struct ast_variable *v)
}
continue;
}
CONF_INTEGER(conf->es, "echosquelch");
if (!strcasecmp(v->name, "echosquelch")) {
if (ast_true(v->value)) {
conf->es = 1;
}
continue;
}
if (!strcasecmp(v->name, "callgroup")) {
conf->callgroup = ast_get_group(v->value);
continue;