app_confbridge: Can now set the language used for announcements to the conference.

ConfBridge now has the ability to set the language of announcements to the
conference.  The language can be set on a bridge profile in
confbridge.conf or by the dialplan function
CONFBRIDGE(bridge,language)=en.

(closes issue ASTERISK-19983)
Reported by: Jonathan White
Patches:
      M19983_rev2.diff (license #5138) patch uploaded by junky (modified)
Tested by: rmudgett


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@400741 65c4cc65-6c06-0410-ace0-fbb531ad65f3

UPGRADE.txt

@@ -19,6 +19,13 @@
 === UPGRADE-10.txt -- Upgrade info for 1.8 to 10
 ===
 ===========================================================
+
+From 11.6 to 11.7:
+ConfBridge
+ - ConfBridge now has the ability to set the language of announcements to the
+   conference.  The language can be set on a bridge profile in confbridge.conf
+   or by the dialplan function CONFBRIDGE(bridge,language)=en.
+
 From 11.5 to 11.6:
 * res_agi will now properly indicate if there was an error in streaming an
   audio file.  The result code will be -1 and the result returned from the

apps/app_confbridge.c

@@ -1342,6 +1342,9 @@ static int alloc_playback_chan(struct conference_bridge *conference_bridge)
 
 	ast_channel_internal_bridge_set(conference_bridge->playback_chan, conference_bridge->bridge);
 
+	/* To make sure playback_chan has the same language of that profile */
+	ast_channel_language_set(conference_bridge->playback_chan, conference_bridge->b_profile.language);
+
 	if (ast_call(conference_bridge->playback_chan, "", 0)) {
 		ast_hangup(conference_bridge->playback_chan);
 		conference_bridge->playback_chan = NULL;

apps/confbridge/conf_config_parser.c

@@ -852,6 +852,7 @@ static char *handle_cli_confbridge_show_bridge_profile(struct ast_cli_entry *e,
 
 	ast_cli(a->fd,"--------------------------------------------\n");
 	ast_cli(a->fd,"Name:                 %s\n", b_profile.name);
+	ast_cli(a->fd,"Language:             %s\n", b_profile.language);
 
 	if (b_profile.internal_sample_rate) {
 		snprintf(tmp, sizeof(tmp), "%d", b_profile.internal_sample_rate);
@@ -1364,6 +1365,7 @@ int conf_load_config(void)
 	aco_option_register_custom(&cfg_info, "video_mode", ACO_EXACT, bridge_types, NULL, video_mode_handler, 0);
 	aco_option_register(&cfg_info, "max_members", ACO_EXACT, bridge_types, "0", OPT_UINT_T, 0, FLDSET(struct bridge_profile, max_members));
 	aco_option_register(&cfg_info, "record_file", ACO_EXACT, bridge_types, NULL, OPT_CHAR_ARRAY_T, 0, CHARFLDSET(struct bridge_profile, rec_file));
+	aco_option_register(&cfg_info, "language", ACO_EXACT, bridge_types, "en", OPT_CHAR_ARRAY_T, 0, CHARFLDSET(struct bridge_profile, language));
 	aco_option_register_custom(&cfg_info, "^sound_", ACO_REGEX, bridge_types, NULL, sound_option_handler, 0);
 	/* This option should only be used with the CONFBRIDGE dialplan function */
 	aco_option_register_custom(&cfg_info, "template", ACO_EXACT, bridge_types, NULL, bridge_template_handler, 0);

apps/confbridge/include/confbridge.h

@@ -191,6 +191,7 @@ struct bridge_profile_sounds {
 
 struct bridge_profile {
 	char name[64];
+	char language[MAX_LANGUAGE];		  /*!< Language used for playback_chan */
 	char rec_file[PATH_MAX];
 	unsigned int flags;
 	unsigned int max_members;          /*!< The maximum number of participants allowed in the conference */

configs/confbridge.conf.sample

@@ -197,6 +197,9 @@ type=bridge
                            ;               is the single source of video distribution among all participants. If
                            ;               that user leaves, the marked user to join after them becomes the source.
 
+;language=en               ; Set the language used for announcements to the conference.
+                           ; Default is en (English).
+
 ; All sounds in the conference are customizable using the bridge profile options below.
 ; Simply state the option followed by the filename or full path of the filename after
 ; the option.  Example: sound_had_joined=conf-hasjoin  This will play the conf-hasjoin