gstreamer編譯錯誤
opt/qt5.4.2/5.4/gcc_64/include/QtCore/qglobal.h:684:61: error: static assertion failed: Type is not registered, please use the Q_DECLARE_METATYPE macro to make it known to Qt's meta-object system
684 | #define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
/opt/qt5.4.2/5.4/gcc_64/include/QtCore/qmetatype.h:1509:96: error: ‘qt_metatype_id’ is not a member of ‘QMetaTypeId<std::nullptr_t>’
1509 | static inline Q_DECL_CONSTEXPR int qt_metatype_id() { return QMetaTypeId<T>::qt_metatype_id(); }
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
/opt/qt5.4.2/5.4/gcc_64/include/QtCore/qmetatype.h:1509:100: error: body of ‘constexpr’ function ‘static constexpr int QMetaTypeId2<T>::qt_metatype_id() [with T = std::nullptr_t]’ not a return-statement
../subprojects/gst-plugins-good/ext/qt/qtglrenderer.cc:426:22: error: ‘class QQuickRenderControl’ has no member named ‘prepareThread’
426 | m_renderControl->prepareThread (m_sharedRenderData->m_renderThread);
| ^~~~~~~~~~~~~
[430/5042] Compiling C++ object subprojects/gst-plugins-good/ext/qt/libgstqmlgl.so.p/qtwindow.cc.o
FAILED: subprojects/gst-plugins-good/ext/qt/libgstqmlgl.so.p/qtwindow.cc.o