fix issue with default video echo

src/switch_core_media.c

@@ -3890,7 +3890,8 @@ static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, voi
 	mh->up = 1;
 	switch_mutex_lock(mh->cond_mutex);
 
-	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s Video thread started\n", switch_channel_get_name(session->channel));
+	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s Video thread started. Echo is %s\n", 
+					  switch_channel_get_name(session->channel), switch_channel_test_flag(channel, CF_VIDEO_ECHO) ? "on" : "off");
 	switch_core_session_refresh_video(session);
 
 	while (switch_channel_up_nosig(channel)) {

src/switch_core_session.c

@@ -2523,11 +2523,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_execute_application_async(sw
 
 SWITCH_DECLARE(void) switch_core_session_video_reset(switch_core_session_t *session)
 {
-	if (switch_channel_test_flag(session->channel, CF_VIDEO)) {
-		switch_channel_set_flag(session->channel, CF_VIDEO_ECHO);
-		switch_channel_clear_flag(session->channel, CF_VIDEO_PASSIVE);
-		switch_core_session_refresh_video(session);
-	}
+	switch_channel_set_flag(session->channel, CF_VIDEO_ECHO);
+	switch_channel_clear_flag(session->channel, CF_VIDEO_PASSIVE);
+	switch_core_session_refresh_video(session);
 }
 
 SWITCH_DECLARE(switch_status_t) switch_core_session_execute_application_get_flags(switch_core_session_t *session, const char *app,