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res_agi: Allow configuration of audio format of EAGI pipe

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This change allows the format of the EAGI audio pipe to be changed by
setting the dialplan variable 'EAGI_AUDIO_FORMAT' to the name of one of
the loaded formats.

ASTERISK-26124 #close

Change-Id: I7a10fad401ad2a21c68c2e7246fa357d5cee5bbd
This commit is contained in:
Sean Bright
2017-05-23 16:42:04 -04:00
parent dece2eb892
commit d847fe6585
2 changed files with 30 additions and 3 deletions
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11
CHANGES
View File

@@ -17,6 +17,17 @@ app_queue
* PAUSEALL/UNPAUSEALL now sets the pause reason in the queue_log if it has * PAUSEALL/UNPAUSEALL now sets the pause reason in the queue_log if it has
been defined. been defined.
------------------------------------------------------------------------------
--- Functionality changes from Asterisk 14.5.0 to Asterisk 14.6.0 ------------
------------------------------------------------------------------------------
res_agi
------------------
* The EAGI() application will now look for a dialplan variable named
EAGI_AUDIO_FORMAT and use that format with the 'enhanced' audio pipe that
EAGI provides. If not specified, it will continue to use the default signed
linear (slin).
------------------------------------------------------------------------------ ------------------------------------------------------------------------------
--- Functionality changes from Asterisk 14.4.0 to Asterisk 14.5.0 ------------ --- Functionality changes from Asterisk 14.4.0 to Asterisk 14.5.0 ------------
------------------------------------------------------------------------------ ------------------------------------------------------------------------------

22
res/res_agi.c
View File

@@ -4552,15 +4552,30 @@ static int eagi_exec(struct ast_channel *chan, const char *data)
{ {
int res; int res;
struct ast_format *readformat; struct ast_format *readformat;
struct ast_format *requested_format = NULL;
const char *requested_format_name;
if (ast_check_hangup(chan)) { if (ast_check_hangup(chan)) {
ast_log(LOG_ERROR, "EAGI cannot be run on a dead/hungup channel, please use AGI.\n"); ast_log(LOG_ERROR, "EAGI cannot be run on a dead/hungup channel, please use AGI.\n");
return 0; return 0;
} }
requested_format_name = pbx_builtin_getvar_helper(chan, "EAGI_AUDIO_FORMAT");
if (requested_format_name) {
requested_format = ast_format_cache_get(requested_format_name);
if (requested_format) {
ast_verb(3, "<%s> Setting EAGI audio pipe format to %s\n",
ast_channel_name(chan), ast_format_get_name(requested_format));
} else {
ast_log(LOG_ERROR, "Could not find requested format: %s\n", requested_format_name);
}
}
readformat = ao2_bump(ast_channel_readformat(chan)); readformat = ao2_bump(ast_channel_readformat(chan));
if (ast_set_read_format(chan, ast_format_slin)) { if (ast_set_read_format(chan, requested_format ?: ast_format_slin)) {
ast_log(LOG_WARNING, "Unable to set channel '%s' to linear mode\n", ast_channel_name(chan)); ast_log(LOG_WARNING, "Unable to set channel '%s' to linear mode\n", ast_channel_name(chan));
ao2_ref(readformat, -1); ao2_cleanup(requested_format);
ao2_cleanup(readformat);
return -1; return -1;
} }
res = agi_exec_full(chan, data, 1, 0); res = agi_exec_full(chan, data, 1, 0);
@@ -4570,7 +4585,8 @@ static int eagi_exec(struct ast_channel *chan, const char *data)
ast_format_get_name(readformat)); ast_format_get_name(readformat));
} }
} }
ao2_ref(readformat, -1); ao2_cleanup(requested_format);
ao2_cleanup(readformat);
return res; return res;
} }