fix(change mode,sync):sync after optek link changing mode

@@ -1320,6 +1320,7 @@ void taskDec(void *pvParameters)
 	U16 size;
 	U16 logcnt = 0;
 	U16 min_count = 0xffff;
+	U8 play_chan;
 
 	DBG_Printf("task dec\n");
 
@@ -1394,6 +1395,7 @@ void taskDec(void *pvParameters)
 			{
 				optek_link_change_mode(req_mode,req_txlen,req_rxlen,OPTEK_LINK_H1);
 				optek_link_mode = req_mode;
+				spk_out_sync_w_tx_status = SPK_AND_TX_SYNCING;
 			}
 			#endif
 
@@ -1647,10 +1649,14 @@ void taskDec(void *pvParameters)
 			//DBG_PIN_LOW;
 			if (pOut_up != NULL)
 			{
-				app_main_data.playing_stream_chans = 1;
+				play_chan = 1;
 				len >>= 1;
 				pOut = pOut_up;
 			}
+			else
+			{
+				play_chan = app_main_data.playing_stream_chans;
+			}
 
 			while(len > max_out_len)
 			{
@@ -1691,7 +1697,7 @@ void taskDec(void *pvParameters)
 					int *dst = pDacbuf;	
 					short *src = msrc;
 					
-					if (app_main_data.playing_stream_chans == 1)
+					if (play_chan == 1)
 					{
 						samples = len>>1;
 						for (i=0; i<samples; i++)
@@ -1718,7 +1724,7 @@ void taskDec(void *pvParameters)
 					U8 *dst = pDacbuf;	
 					U8 *src = msrc;
 
-					if (app_main_data.playing_stream_chans == 1)
+					if (play_chan == 1)
 					{
 						samples = len/3;
 						for (i=0; i<samples; i++)
@@ -1754,7 +1760,7 @@ void taskDec(void *pvParameters)
 					int *dst = pDacbuf;	
 					int *src = msrc;
 
-					if (app_main_data.playing_stream_chans == 1)
+					if (play_chan == 1)
 					{
 						samples = len>>1;
 						for (i=0; i<samples; i++)
@@ -2052,5 +2058,4 @@ U8* wait_decode_event(void)
 void set_dac_out_size(U16 size)
 {
 	awOut_contrls.awSize = size>>2;
-	//DBG_Printf("size:%d,chan:%d\r\n",awOut_contrls.awSize,app_main_data.playing_stream_chans);
 }