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Add an option (transmit_silence) which transmits silence during both Record() and DTMF generation. The reason this is an option is that in order to transmit silence we have to setup a translation path. This may not be needed/wanted in all cases.

Browse Source 
(closes issue #10058)
Reported by: tracinet


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@110628 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-03-25 14:37:35 +00:00
parent 6eed7ae503
commit be84adc952
4 changed files with 13 additions and 3 deletions
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1
Makefile
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@@ -601,6 +601,7 @@ samples: adsi
echo ";cache_record_files = yes ; Cache recorded sound files to another directory during recording" ; \
echo ";record_cache_dir = /tmp ; Specify cache directory (used in cnjunction with cache_record_files)" ; \
echo ";transmit_silence_during_record = yes ; Transmit SLINEAR silence while a channel is being recorded" ; \
echo ";transmit_silence = yes ; Transmit SLINEAR silence while a channel is being recorded or DTMF is being generated" ; \
echo ";transcode_via_sln = yes ; Build transcode paths via SLINEAR, instead of directly" ; \
echo ";runuser = asterisk ; The user to run as" ; \
echo ";rungroup = asterisk ; The group to run as" ; \

2
include/asterisk/options.h
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@@ -66,7 +66,7 @@ enum ast_option_flags {
AST_OPT_FLAG_OVERRIDE_CONFIG = (1 << 15),
/*! Reconnect */
AST_OPT_FLAG_RECONNECT = (1 << 16),
/*! Transmit Silence during Record() */
/*! Transmit Silence during Record() and DTMF Generation */
AST_OPT_FLAG_TRANSMIT_SILENCE = (1 << 17),
/*! Suppress some warnings */
AST_OPT_FLAG_DONT_WARN = (1 << 18),

9
main/app.c
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@@ -215,6 +215,7 @@ int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const ch
{
const char *ptr;
int res = 0;
struct ast_silence_generator *silgen = NULL;
if (!between)
between = 100;
@@ -229,6 +230,10 @@ int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const ch
if (res < 0)
return res;
if (ast_opt_transmit_silence) {
silgen = ast_channel_start_silence_generator(chan);
}
for (ptr = digits; *ptr; ptr++) {
if (*ptr == 'w') {
/* 'w' -- wait half a second */
@@ -255,6 +260,10 @@ int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const ch
res = -1;
}
if (silgen) {
ast_channel_stop_silence_generator(chan, silgen);
}
return res;
}

4
main/asterisk.c
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@@ -2483,8 +2483,8 @@ static void ast_readconfig(void)
/* Build transcode paths via SLINEAR, instead of directly */
} else if (!strcasecmp(v->name, "transcode_via_sln")) {
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TRANSCODE_VIA_SLIN);
/* Transmit SLINEAR silence while a channel is being recorded */
} else if (!strcasecmp(v->name, "transmit_silence_during_record")) {
/* Transmit SLINEAR silence while a channel is being recorded or DTMF is being generated on a channel */
} else if (!strcasecmp(v->name, "transmit_silence_during_record") || !strcasecmp(v->name, "transmit_silence")) {
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TRANSMIT_SILENCE);
/* Enable internal timing */
} else if (!strcasecmp(v->name, "internal_timing")) {