增加切歌的最小间隔时间，解决连续切歌会卡死的问题

Author: liuwenlong

apps/player/playinglist.cpp

@@ -64,7 +64,7 @@ void Playinglist::startSlient(){
 				mParticleplayer = NULL;
 				isWakeLock = 0;
 				mOrderBy = -1;
-				
+				mLastPlayTime = 0;
 				clearPlay();
 			}
 
@@ -544,7 +544,10 @@ void Playinglist::startSlient(){
 				if(playPath == NULL || !FileAttr::FileExist(playPath) || Environment::get_file_size(playPath)<10)
 					return -3;
 
-				
+				ULONGLONG interval = Time::getMillisecond() - mLastPlayTime;
+				if(interval<PLAY_INTERVAL){
+					Thread::sleep(PLAY_INTERVAL - interval);
+				}
 
 				if(inPause){
 					setInPauseState(0);
@@ -590,7 +593,7 @@ void Playinglist::startSlient(){
 					gPlayer.VolumeCheck();
 
 				}
-				
+				mLastPlayTime = Time::getMillisecond();
 				if(needGapless&&mGapless>0){
 					//mParticleplayer->setNextSongForGapless(playPath);//(getItem(mCurrent+1)->path);
 				}

apps/player/playinglist.h

@@ -7,7 +7,7 @@
 #include <fcntl.h>
 #include "MediaPlayerInterface.h"
 
-
+#define PLAY_INTERVAL 200 //ms
 
 namespace mango
 {
@@ -35,6 +35,7 @@ namespace mango
 			int inPause;
 			int isWakeLock;
 			int mOrderBy;
+			ULONGLONG mLastPlayTime;
 
 			Playinglist();
 			~Playinglist();

base/view/staticView.cpp

@@ -148,19 +148,28 @@ namespace mango
 	}
 
 
-
+#define DEBGU 1
 	void StaticView::updateTextPaintExtent(const TCHAR* title)
 	{
 		Canvas* canvas;
 
 		if (title)
 		{
-			
+#if DEBGU
+			gSessionLocal.mCanvasMutex.lock();
 			canvas = &gSessionLocal.mStockGraphic.mCanvas;
+#else
+			canvas = getCanvas();
+#endif
 			canvas->setTextColor(mColor);
 			canvas->setTextSize(mTextSize);
 			canvas->getTextExtentPoint(title, -1, mTitlePaintExtent);
-			//releaseCanvas();
+#if DEBGU
+			releaseCanvas();
+#else
+			releaseCanvas();
+#endif
+
 		}
 		else
 		{