diff --git a/linux/main.cpp b/linux/main.cpp
index bc03638..829585e 100644
--- a/linux/main.cpp
+++ b/linux/main.cpp
@@ -63,6 +63,7 @@ int main ( int argc, char *argv[] )
 
     while ( true )
     {
+		int w=-1, h=-1;
         SDL_Event event;
         SDL_WaitEvent ( &event );
 
@@ -73,16 +74,19 @@ int main ( int argc, char *argv[] )
         }
         if ( event.type == SDL_KEYDOWN )
         {
-            if ( event.key.keysym.sym == SDLK_RIGHT )
-            {
-                ply.fwd();
-            }
-            else if ( event.key.keysym.sym == SDLK_LEFT )
-            {
-                ply.bwd();
-            }
-            else if (event.key.keysym.sym == SDLK_f){
-				//SDL_SetVideoMode(0, 0, 32)
+			switch (event.key.keysym.sym)
+			{
+				case SDLK_RIGHT:
+					ply.fwd();
+					break;
+				case SDLK_LEFT:
+					ply.bwd();
+					break;
+				case SDLK_f:
+					ply.togglefs();
+					break;
+				case SDLK_q:
+					return 0;		 
 			}
         }
         if ( event.type == SDL_VIDEORESIZE){
diff --git a/linux/player.cpp b/linux/player.cpp
index c04a0f6..ab9b0bd 100644
--- a/linux/player.cpp
+++ b/linux/player.cpp
@@ -296,3 +296,17 @@ void player::resize(int w, int h)
 {
 	m_video->re_size(m_video, w, h);
 }
+
+void player::togglefs()
+{
+	if ( m_fs = ! m_fs ){
+		m_avplay->m_video_st->codec->width;
+		m_avplay->m_video_st->codec->height;
+
+		this->resize(m_avplay->m_video_st->codec->width,m_avplay->m_video_st->codec->height);
+	}else{
+		SDL_Rect** mode = SDL_ListModes(NULL,SDL_FULLSCREEN);
+		this->resize(mode[0]->w, mode[0]->h);
+	}
+}
+
diff --git a/linux/player.h b/linux/player.h
index b9407f5..d0c61f2 100644
--- a/linux/player.h
+++ b/linux/player.h
@@ -26,12 +26,14 @@
 class player
 {	
 public:
-	// 播放控制
+	// 播放控制.
 	void fwd(); //快进
 	void bwd(); //快退
 	
-	// 调节大小
+	// 调节大小.
 	void resize(int, int);
+	// 全屏.
+	void togglefs();
 	
 private:
 	bool HasWindow(){return true;};
@@ -42,8 +44,6 @@ class player
 	void init_audio(ao_context *ao);
 	void init_video(vo_context *vo);
 
-	int (*m_draw_frame)(void *ctx, AVFrame* data, int pix_fmt, double pts);
-
 	// 实时处理视频渲染的视频数据, 在这里完成比较加字幕, 加水印等操作.
 	static int draw_frame(void *ctx, AVFrame* data, int pix_fmt, double pts);
 
@@ -63,6 +63,8 @@ class player
     int m_video_width;
     int m_video_height;
     int m_cur_index;
+
+    bool m_fs;
 };
 
 #endif // PLAYER_H
diff --git a/video/sdl_render.cpp b/video/sdl_render.cpp
index 672982f..a007f54 100644
--- a/video/sdl_render.cpp
+++ b/video/sdl_render.cpp
@@ -102,15 +102,19 @@ sdl_render::render_one_frame(AVFrame * data, int pix_fmt)
 	data->linesize[2]
     };
 
+	m_swsctx = sws_getCachedContext(m_swsctx, m_image_width, m_image_height,
+				(PixelFormat)m_pix_fmt, sfc->w, sfc->h, PIX_FMT_YUV420P,
+				SWS_BICUBIC, NULL, NULL, NULL);
+			     
     SDL_LockYUVOverlay(m_yuv);
 
     pict.data[0] = m_yuv->pixels[0];
-    pict.data[1] = m_yuv->pixels[1];
-    pict.data[2] = m_yuv->pixels[2];
+    pict.data[1] = m_yuv->pixels[2];
+    pict.data[2] = m_yuv->pixels[1];
 
     pict.linesize[0] = m_yuv->pitches[0];
-    pict.linesize[1] = m_yuv->pitches[1];
-    pict.linesize[2] = m_yuv->pitches[2];
+    pict.linesize[1] = m_yuv->pitches[2];
+    pict.linesize[2] = m_yuv->pitches[1];
 
     sws_scale(m_swsctx, pixels, linesize, 0, m_image_height, pict.data,
 	      pict.linesize);
@@ -131,24 +135,33 @@ sdl_render::render_one_frame(AVFrame * data, int pix_fmt)
 void
 sdl_render::re_size(int w, int h)
 {
-    m_swsctx =
-	sws_getCachedContext(m_swsctx, m_image_width, m_image_height,
-			     PIX_FMT_YUV420P, w, h, PIX_FMT_YUV420P,
-			     SWS_BICUBIC, NULL, NULL, NULL);
-
-    logger("resize happned\n");
-    boost::mutex::scoped_lock l(renderlock);
-    SDL_FreeYUVOverlay(this->m_yuv);
-    this->m_yuv = SDL_CreateYUVOverlay(w, h, SDL_IYUV_OVERLAY, sfc);
+	boost::mutex::scoped_lock l(renderlock);
+
+	//FIXME 
+	//resize 有办法传递全屏信息就好了
+	int fw, fh;
+	SDL_Rect** mode = SDL_ListModes(NULL,SDL_FULLSCREEN);
+	
+	fw = mode[0]->w ; fh =  mode[0]->h;
+
+	bool fs=false;
+	if ( w == fw && h == fh )
+		fs = true;
+	sfc = SDL_SetVideoMode(w, h, 32, fs?  SDL_FULLSCREEN : SDL_RESIZABLE);
+	SDL_FreeYUVOverlay(this->m_yuv);
+    this->m_yuv = SDL_CreateYUVOverlay(w, h, SDL_YV12_OVERLAY, sfc);
 }
 
 bool
 sdl_render::init_render(void *ctx, int w, int h, int pix_fmt)
 {
     m_swsctx = NULL;
+    m_pix_fmt = pix_fmt;
+
     if (!SDL_WasInit(SDL_INIT_VIDEO))
 	SDL_InitSubSystem(SDL_INIT_VIDEO);
-    sfc = SDL_SetVideoMode(w, h, 32, SDL_RESIZABLE);
+	
+	SDL_SetVideoMode(w, h, 32, SDL_RESIZABLE);
 
     m_image_height = h;
     m_image_width = w;
diff --git a/video/sdl_render.h b/video/sdl_render.h
index 0bdb112..ee18eef 100644
--- a/video/sdl_render.h
+++ b/video/sdl_render.h
@@ -45,8 +45,9 @@ class sdl_render : public video_render
     SDL_Overlay* m_yuv;
     SDL_Surface* sfc;
     boost::mutex	renderlock;
+    int		m_pix_fmt;
     int	m_image_width, m_image_height;
-    SwsContext* m_swsctx;
+    SwsContext* m_swsctx;	
 };
 
 #endif // SDL_RENDER_H