Changeset 138 for trunk/Utilities/Miscellaneous/PlayMp3File

Timestamp:

Oct 16, 2012, 12:32:20 PM (11 years ago)

Author:

roman

Message:

better readability with V macro

File:

• trunk/Utilities/Miscellaneous/PlayMp3File/PlayMp3File.cpp (modified) (1 diff)

trunk/Utilities/Miscellaneous/PlayMp3File/PlayMp3File.cpp

@@ -12 +12 @@
 #pragma comment(lib, "strmiids.lib")
 
+#define V(x) ATLVERIFY(SUCCEEDED(x))
+
 int _tmain(int argc, _TCHAR* argv[])
 {
         static LPCTSTR g_pszPath = _T("F:\\Music\\Cher - Walking In Memphis.mp3");
-        ATLVERIFY(SUCCEEDED(CoInitialize(NULL)));
+        V(CoInitialize(NULL));
         {
                 CComPtr<IGraphBuilder> pGraphBuilder;
-                ATLVERIFY(SUCCEEDED(pGraphBuilder.CoCreateInstance(CLSID_FilterGraph)));
+                V(pGraphBuilder.CoCreateInstance(CLSID_FilterGraph));
                 // NOTE: A simpler version is good for the files you are sure of that they don't have too much of ID3 tags on the header:
                 //       with a large headers the files might be rejected; the longer versions takes all .MP3 files
                 #if TRUE
                         CComPtr<IBaseFilter> pBaseFilter;
-                        ATLVERIFY(SUCCEEDED(pBaseFilter.CoCreateInstance(CLSID_WMAsfReader)));
+                        V(pBaseFilter.CoCreateInstance(CLSID_WMAsfReader));
                         CComQIPtr<IFileSourceFilter> pFileSourceFilter = pBaseFilter;
                         ATLASSERT(pFileSourceFilter);
-                        ATLVERIFY(SUCCEEDED(pFileSourceFilter->Load(CT2COLE(g_pszPath), NULL)));
-                        ATLVERIFY(SUCCEEDED(pGraphBuilder->AddFilter(pBaseFilter, NULL)));
+                        V(pFileSourceFilter->Load(CT2COLE(g_pszPath), NULL));
+                        V(pGraphBuilder->AddFilter(pBaseFilter, NULL));
                         CComPtr<IEnumPins> pEnumPins;
-                        ATLVERIFY(SUCCEEDED(pBaseFilter->EnumPins(&pEnumPins)));
+                        V(pBaseFilter->EnumPins(&pEnumPins));
                         CComPtr<IPin> pPin;
                         ATLVERIFY(pEnumPins->Next(1, &pPin, NULL) == S_OK);
-                        ATLVERIFY(SUCCEEDED(pGraphBuilder->Render(pPin)));
+                        V(pGraphBuilder->Render(pPin));
                 #else
-                        ATLVERIFY(SUCCEEDED(pGraphBuilder->RenderFile(CT2CW(g_pszPath), NULL)));
+                        V(pGraphBuilder->RenderFile(CT2CW(g_pszPath), NULL)));
                 #endif
                 CComQIPtr<IMediaControl> pMediaControl = pGraphBuilder;
                 CComQIPtr<IMediaEvent> pMediaEvent = pGraphBuilder;
                 ATLASSERT(pMediaControl && pMediaEvent);
-                ATLVERIFY(SUCCEEDED(pMediaControl->Run()));
+                V(pMediaControl->Run());
                 LONG nEventCode = 0;
-                ATLVERIFY(SUCCEEDED(pMediaEvent->WaitForCompletion(INFINITE, &nEventCode)));
+                V(pMediaEvent->WaitForCompletion(INFINITE, &nEventCode));
         }
         CoUninitialize();