无音频时生成静音音频，防止播放器加载画面太慢

修复MAC下SDL必须在主线程渲染的问题

tests/CMakeLists.txt

@@ -11,7 +11,7 @@ find_package(AVUTIL QUIET)
 if(AVUTIL_FOUND)
     include_directories(${AVUTIL_INCLUDE_DIR})
     list(APPEND  LINK_LIB_LIST ${AVUTIL_LIBRARIES})
-    message(STATUS " found  libutil")
+    message(STATUS "found  libutil ${AVUTIL_LIBRARIES}")
 endif()
 
 #查找ffmpeg/libavcodec是否安装
@@ -19,7 +19,7 @@ find_package(AVCODEC QUIET)
 if(AVCODEC_FOUND)
     include_directories(${AVCODEC_INCLUDE_DIR})
     list(APPEND  LINK_LIB_LIST ${AVCODEC_LIBRARIES})
-    message(STATUS " found  libavcodec")
+    message(STATUS "found  libavcodec ${AVCODEC_LIBRARIES}")
 endif()
 
 aux_source_directory(. TEST_SRC_LIST)

tests/YuvDisplayer.h

@@ -42,6 +42,8 @@ using namespace ZL::Util;
 
 #define REFRESH_EVENT   (SDL_USEREVENT + 1)
 
+
+#ifndef __MACH__
 class SDLDisplayerHelper
 {
 public:
@@ -104,6 +106,8 @@ private:
 
 };
 
+#endif //__MACH__
+
 class YuvDisplayer {
 public:
 	YuvDisplayer(void *hwnd = nullptr,const char *title = "untitled"){
@@ -121,7 +125,9 @@ public:
             },nullptr);
             InfoL << "SDL_Init";
         }, []() {
+#ifndef __MACH__
             SDLDisplayerHelper::Destory();
+#endif
             SDL_Quit();
         });
 

tests/test_player.cpp

@@ -73,16 +73,29 @@ int main(int argc, char *argv[]) {
         H264Decoder decoder;
         YuvDisplayer displayer;
         player->setOnVideoCB([&](const H264Frame &frame) {
+#ifndef __MACH__
             SDLDisplayerHelper::Instance().doTask([&, frame]() {
                 AVFrame *pFrame = nullptr;
                 bool flag = decoder.inputVideo((unsigned char *) frame.data.data(), frame.data.size(), frame.timeStamp,
                                                &pFrame);
                 if (flag) {
                     //DebugL << pFrame->pkt_pts;
-                    displayer.displayYUV(pFrame);
+                    EventPoller::Instance().sync([&](){
+                        displayer.displayYUV(pFrame);
+                    });
                 }
                 return true;
             });
+#else
+            AVFrame *pFrame = nullptr;
+            bool flag = decoder.inputVideo((unsigned char *) frame.data.data(), frame.data.size(), frame.timeStamp,
+                                           &pFrame);
+            if (flag) {
+                //DebugL << pFrame->pkt_pts;
+                displayer.displayYUV(pFrame);
+            }
+#endif
+
         });
 
         EventPoller::Instance().runLoop();