FS-7499 FS-7513 video mute the old way seems to break chrome when resuming, add…

FS-7499 FS-7513 video mute the old way seems to break chrome when resuming, add some improvements to mitigate

src/mod/applications/mod_conference/mod_conference.c

@@ -2029,7 +2029,6 @@ static void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread
 					}
 
 					imember->blanks = 0;
-					switch_core_session_request_video_refresh(imember->session);
 					switch_channel_video_sync(imember->channel);
 				}
 						
@@ -8319,11 +8318,11 @@ static switch_status_t conf_api_sub_vmute(conference_member_t *member, switch_st
 
 	switch_clear_flag_locked(member, MFLAG_CAN_BE_SEEN);
 
-	if (member->channel) {
-		switch_channel_set_flag(member->channel, CF_VIDEO_PAUSE_READ);
-		switch_core_session_request_video_refresh(member->session);
-		switch_channel_video_sync(member->channel);
-	}
+	//if (member->channel) {
+		//switch_channel_set_flag(member->channel, CF_VIDEO_PAUSE_READ);
+		//switch_core_session_request_video_refresh(member->session);
+		//switch_channel_video_sync(member->channel);
+	//}
 
 	if (!(data) || !strstr((char *) data, "quiet")) {
 		switch_set_flag(member, MFLAG_INDICATE_MUTE);
@@ -8378,8 +8377,7 @@ static switch_status_t conf_api_sub_unvmute(conference_member_t *member, switch_
 	switch_set_flag_locked(member, MFLAG_CAN_BE_SEEN);
 
 	if (member->channel) {
-		switch_channel_clear_flag(member->channel, CF_VIDEO_PAUSE_READ);
-		switch_core_session_request_video_refresh(member->session);
+		//switch_channel_clear_flag(member->channel, CF_VIDEO_PAUSE_READ);
 		switch_channel_video_sync(member->channel);
 	}
 

src/switch_rtp.c

@@ -4791,6 +4791,12 @@ static void do_flush(switch_rtp_t *rtp_session, int force)
 		}
 	}
 
+	if (rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && rtp_session->session) {
+		int type = 1; // sum flags: 1 encoder; 2; decoder
+		switch_core_media_codec_control(rtp_session->session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_IO_READ, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, NULL, NULL);
+		switch_core_session_request_video_refresh(rtp_session->session);
+	}
+
 	READ_DEC(rtp_session);
 }