From 1339a0a535f42ae51577aa01cfffc5f086915740 Mon Sep 17 00:00:00 2001 From: David Vossel Date: Thu, 30 Jun 2011 20:33:15 +0000 Subject: Video support for ConfBridge. Review: https://reviewboard.asterisk.org/r/1288/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@325931 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- apps/app_confbridge.c | 148 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 146 insertions(+), 2 deletions(-) (limited to 'apps/app_confbridge.c') diff --git a/apps/app_confbridge.c b/apps/app_confbridge.c index 2ed03e120..d046c489f 100644 --- a/apps/app_confbridge.c +++ b/apps/app_confbridge.c @@ -77,6 +77,11 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") Enters the user into a specified conference bridge. The user can exit the conference by hangup or DTMF menu option. + + ConfBridge + CONFBRIDGE + CONFBRIDGE_INFO + @@ -233,6 +238,19 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + + + Set a conference user as the single video source distributed to all other participants. + + + + + + + + + + ***/ /*! @@ -614,6 +632,68 @@ static int play_prompt_to_channel(struct conference_bridge *conference_bridge, s return res; } +static void handle_video_on_join(struct conference_bridge *conference_bridge, struct conference_bridge_user *conference_bridge_user) +{ + /* only automatically set video source for marked users */ + if (!ast_test_flag(&conference_bridge_user->u_profile, USER_OPT_MARKEDUSER)) { + return; + } + + if (ast_test_flag(&conference_bridge->b_profile, BRIDGE_OPT_VIDEO_SRC_FIRST_MARKED)) { + int set = 1; + struct conference_bridge_user *tmp_user = NULL; + ao2_lock(conference_bridge); + /* see if anyone is already the video src */ + AST_LIST_TRAVERSE(&conference_bridge->users_list, tmp_user, list) { + if (tmp_user == conference_bridge_user) { + continue; + } + if (ast_bridge_is_video_src(conference_bridge->bridge, tmp_user->chan)) { + set = 0; + break; + } + } + ao2_unlock(conference_bridge); + if (set) { + ast_bridge_set_single_src_video_mode(conference_bridge->bridge, conference_bridge_user->chan); + } + } else if (ast_test_flag(&conference_bridge->b_profile, BRIDGE_OPT_VIDEO_SRC_LAST_MARKED)) { + /* we joined and are video capable, we override anyone else that may have already been the video feed */ + ast_bridge_set_single_src_video_mode(conference_bridge->bridge, conference_bridge_user->chan); + } +} + +static void handle_video_on_exit(struct conference_bridge *conference_bridge, struct conference_bridge_user *conference_bridge_user) +{ + struct conference_bridge_user *tmp_user = NULL; + + /* if this isn't a video source, nothing to update */ + if (!ast_bridge_is_video_src(conference_bridge->bridge, conference_bridge_user->chan)) { + return; + } + + ast_bridge_remove_video_src(conference_bridge->bridge, conference_bridge_user->chan); + + /* if the video_mode isn't set to automatically pick the video source, do nothing on exit. */ + if (!ast_test_flag(&conference_bridge->b_profile, BRIDGE_OPT_VIDEO_SRC_FIRST_MARKED) && + !ast_test_flag(&conference_bridge->b_profile, BRIDGE_OPT_VIDEO_SRC_LAST_MARKED)) { + return; + } + + /* Make the next avaliable marked user the video src. */ + ao2_lock(conference_bridge); + AST_LIST_TRAVERSE(&conference_bridge->users_list, tmp_user, list) { + if (tmp_user == conference_bridge_user) { + continue; + } + if (ast_test_flag(&tmp_user->u_profile, USER_OPT_MARKEDUSER)) { + ast_bridge_set_single_src_video_mode(conference_bridge->bridge, tmp_user->chan); + break; + } + } + ao2_unlock(conference_bridge); +} + /*! * \brief Perform post-joining marked specific actions * @@ -627,7 +707,8 @@ static int post_join_marked(struct conference_bridge *conference_bridge, struct if (ast_test_flag(&conference_bridge_user->u_profile, USER_OPT_MARKEDUSER)) { struct conference_bridge_user *other_conference_bridge_user = NULL; - /* If we are not the first marked user to join just bail out now */ + /* If we are not the first user to join, then the users are already + * in the conference so we do not need to update them. */ if (conference_bridge->markedusers >= 2) { return 0; } @@ -664,7 +745,6 @@ static int post_join_marked(struct conference_bridge *conference_bridge, struct other_conference_bridge_user->features.mute = 0; } } - } else { /* If a marked user already exists in the conference bridge we can just bail out now */ if (conference_bridge->markedusers) { @@ -859,6 +939,10 @@ static struct conference_bridge *join_conference_bridge(const char *name, struct /* Set the internal mixing interval on the bridge from the bridge profile */ ast_bridge_set_mixing_interval(conference_bridge->bridge, conference_bridge->b_profile.mix_interval); + if (ast_test_flag(&conference_bridge->b_profile, BRIDGE_OPT_VIDEO_SRC_FOLLOW_TALKER)) { + ast_bridge_set_talker_src_video_mode(conference_bridge->bridge); + } + /* Setup lock for playback channel */ ast_mutex_init(&conference_bridge->playback_lock); @@ -1370,6 +1454,8 @@ static int confbridge_exec(struct ast_channel *chan, const char *data) } } + handle_video_on_join(conference_bridge, &conference_bridge_user); + /* Join our conference bridge for real */ send_join_event(conference_bridge_user.chan, conference_bridge->name); ast_bridge_join(conference_bridge->bridge, @@ -1379,6 +1465,9 @@ static int confbridge_exec(struct ast_channel *chan, const char *data) &conference_bridge_user.tech_args); send_leave_event(conference_bridge_user.chan, conference_bridge->name); + + handle_video_on_exit(conference_bridge, &conference_bridge_user); + /* if this user has a intro, play it when leaving */ if (!quiet && !ast_strlen_zero(conference_bridge_user.name_rec_location)) { ast_autoservice_start(chan); @@ -1681,6 +1770,11 @@ static int execute_menu_entry(struct conference_bridge *conference_bridge, break; case MENU_ACTION_NOOP: break; + case MENU_ACTION_SET_SINGLE_VIDEO_SRC: + ao2_lock(conference_bridge); + ast_bridge_set_single_src_video_mode(conference_bridge->bridge, bridge_channel->chan); + ao2_unlock(conference_bridge); + break; } } return res; @@ -2436,6 +2530,55 @@ static int action_confbridgestoprecord(struct mansession *s, const struct messag return 0; } +static int action_confbridgesetsinglevideosrc(struct mansession *s, const struct message *m) +{ + const char *conference = astman_get_header(m, "Conference"); + const char *channel = astman_get_header(m, "Channel"); + struct conference_bridge_user *participant = NULL; + struct conference_bridge *bridge = NULL; + struct conference_bridge tmp; + + if (ast_strlen_zero(conference)) { + astman_send_error(s, m, "No Conference name provided."); + return 0; + } + if (ast_strlen_zero(channel)) { + astman_send_error(s, m, "No channel name provided."); + return 0; + } + if (!ao2_container_count(conference_bridges)) { + astman_send_error(s, m, "No active conferences."); + return 0; + } + + ast_copy_string(tmp.name, conference, sizeof(tmp.name)); + bridge = ao2_find(conference_bridges, &tmp, OBJ_POINTER); + if (!bridge) { + astman_send_error(s, m, "No Conference by that name found."); + return 0; + } + + /* find channel and set as video src. */ + ao2_lock(bridge); + AST_LIST_TRAVERSE(&bridge->users_list, participant, list) { + if (!strncmp(channel, participant->chan->name, strlen(channel))) { + ast_bridge_set_single_src_video_mode(bridge->bridge, participant->chan); + break; + } + } + ao2_unlock(bridge); + ao2_ref(bridge, -1); + + /* do not access participant after bridge unlock. We are just + * using this check to see if it was found or not */ + if (!participant) { + astman_send_error(s, m, "No channel by that name found in conference."); + return 0; + } + astman_send_ack(s, m, "Conference single video source set."); + return 0; +} + static int func_confbridge_info(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) { char *parse = NULL; @@ -2567,6 +2710,7 @@ static int load_module(void) res |= ast_manager_register_xml("ConfbridgeLock", EVENT_FLAG_CALL, action_confbridgelock); res |= ast_manager_register_xml("ConfbridgeStartRecord", EVENT_FLAG_CALL, action_confbridgestartrecord); res |= ast_manager_register_xml("ConfbridgeStopRecord", EVENT_FLAG_CALL, action_confbridgestoprecord); + res |= ast_manager_register_xml("ConfbridgeSetSingleVideoSrc", EVENT_FLAG_CALL, action_confbridgesetsinglevideosrc); conf_load_config(0); return res; -- cgit v1.2.3