change shaderSercve so it can take both of char* and std::filesystem::path

main.cc

@@ -4,7 +4,7 @@
 #include <filesystem>
 #include "decoder.h"
 #include "shaderService.h"
-using namespace std::filesystem;
+#include "shader.h"
 using std::cout, std::endl;
 
 int main(int argc, char **const argv)
@@ -14,8 +14,15 @@ int main(int argc, char **const argv)
         cout << SDL_GetError() << "\n";
         return -1;
     }
+    const char* targetFilepath = argv[1];
+
+    if(targetFilepath == nullptr || !std::filesystem::exists(targetFilepath)){
+        cout<<"File Not Exist\n";
+        return 0;
+    }
+
     DecoderParam param{};
-    InitDecoder("/home/jie/code/cc/sdl2/videoPlayer/video/ocean.mp4", param);
+    InitDecoder(targetFilepath, param);
     int client_width = param.width / 2;
     int client_height = param.height / 2;
     SDL_Window *window = SDL_CreateWindow(
@@ -92,9 +99,12 @@ int main(int argc, char **const argv)
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     }
-    ShaderService shaderService{
-        "/home/jie/code/cc/sdl2/videoPlayer/shaders/vertexShader.vert",
-        "/home/jie/code/cc/sdl2/videoPlayer/shaders/fragShader.frag"};
+/*    ShaderService shaderService{
+        std::filesystem::path("/home/jie/project/mp/shaders/vertexShader.vert"),
+        std::filesystem::path("/home/jie/project/mp/shaders/fragShader.frag")};
+        
+*/
+    ShaderService shaderService{vSource.data(), fSource.data()};
     shaderService.Use();
     shaderService.SetUniform<int>("textureY", 0);
     shaderService.SetUniform<int>("textureU", 1);