FS-8663 add saftey checks for this command

diff --git a/src/mod/applications/mod_conference/conference_video.c b/src/mod/applications/mod_conference/conference_video.c
index c6fbc4474b68630dff451ecfe619eb914a3aaed3..e4b9ff5b019ecae063bec52ec1162203554fdbae 100644 (file)
--- a/src/mod/applications/mod_conference/conference_video.c
+++ b/src/mod/applications/mod_conference/conference_video.c
@@ -2508,7 +2508,7 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
                        
                        for (imember = conference->members; imember; imember = imember->next) {
 
-                               if (!imember->session || !switch_channel_test_flag(imember->channel, CF_VIDEO_READY) ||
+                               if (!imember->session || !switch_channel_test_flag(imember->channel, CF_VIDEO_READY) || !imember->canvas ||
                                        switch_core_session_read_lock(imember->session) != SWITCH_STATUS_SUCCESS) {
                                        continue;
                                }
@@ -2559,7 +2559,7 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
                                                conference_utils_test_flag(conference, CFLAG_MANAGE_INBOUND_VIDEO_BITRATE)) {
                                                switch_core_media_get_vid_params(imember->session, &vid_params);
                                                kps = switch_calc_bitrate(vid_params.width, vid_params.height, conference->video_quality, (int)(imember->conference->video_fps.fps));
-                                               conference_video_set_incoming_bitrate(imember, kps, SWITCH_TRUE);
+pp                                             conference_video_set_incoming_bitrate(imember, kps, SWITCH_TRUE);
                                        }
                                }
                                
@@ -2605,7 +2605,7 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
                                int i = 0;
                                mcu_layer_t *floor_layer = NULL;
                                
-                               if (!imember->session || !switch_channel_test_flag(imember->channel, CF_VIDEO) ||
+                               if (!imember->session || !switch_channel_test_flag(imember->channel, CF_VIDEO) || !imember->canvas ||
                                        (switch_core_session_media_flow(imember->session, SWITCH_MEDIA_TYPE_VIDEO) == SWITCH_MEDIA_FLOW_SENDONLY) ||
                                        (switch_core_session_read_lock(imember->session) != SWITCH_STATUS_SUCCESS)) {
                                        continue;