使用QT5.9开发海康威视相机，多线程下使用QLabel实时显示相机捕获的图像

/**************************************************************************** ** Meta object code from reading C++ file 'hkcamera.h' ** ** Created by: The Qt Meta Object Compiler version 67 (Qt 5.9.0) ** ** WARNING! All changes made in this file will be lost! *****************************************************************************/ #include "../../hkcamera.h" #include <QtCore/qbytearray.h> #include <QtCore/qmetatype.h> #if !defined(Q_MOC_OUTPUT_REVISION) #error "The header file 'hkcamera.h' doesn't include <QObject>." #elif Q_MOC_OUTPUT_REVISION != 67 #error "This file was generated using the moc from 5.9.0. It" #error "cannot be used with the include files from this version of Qt." #error "(The moc has changed too much.)" #endif QT_BEGIN_MOC_NAMESPACE QT_WARNING_PUSH QT_WARNING_DISABLE_DEPRECATED struct qt_meta_stringdata_HKCamera_t { QByteArrayData data[30]; char stringdata0[279]; }; #define QT_MOC_LITERAL(idx, ofs, len) \ Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \ qptrdiff(offsetof(qt_meta_stringdata_HKCamera_t, stringdata0) + ofs \ - idx * sizeof(QByteArrayData)) \ ) static const qt_meta_stringdata_HKCamera_t qt_meta_stringdata_HKCamera = { { QT_MOC_LITERAL(0, 0, 8), // "HKCamera" QT_MOC_LITERAL(1, 9, 23), // "SendAnImageToMainThread" QT_MOC_LITERAL(2, 33, 0), // "" QT_MOC_LITERAL(3, 34, 7), // "HKLogin" QT_MOC_LITERAL(4, 42, 11), // "HKStartPlay" QT_MOC_LITERAL(5, 54, 10), // "Mat2QImage" QT_MOC_LITERAL(6, 65, 7), // "cv::Mat" QT_MOC_LITERAL(7, 73, 3), // "src" QT_MOC_LITERAL(8, 77, 8), // "DecCBFun" QT_MOC_LITERAL(9, 86, 5), // "nPort" QT_MOC_LITERAL(10, 92, 5), // "char*" QT_MOC_LITERAL(11, 98, 4), // "pBuf" QT_MOC_LITERAL(12, 103, 5), // "nSize" QT_MOC_LITERAL(13, 109, 11), // "FRAME_INFO*" QT_MOC_LITERAL(14, 121, 10), // "pFrameInfo" QT_MOC_LITERAL(15, 132, 10), // "nReserved1" QT_MOC_LITERAL(16, 143, 10), // "nReserved2" QT_MOC_LITERAL(17, 154, 17), // "fRealDataCallBack" QT_MOC_LITERAL(18, 172, 4), // "LONG" QT_MOC_LITERAL(19, 177, 11), // "lRealHandle" QT_MOC_LITERAL(20, 189, 5), // "DWORD" QT_MOC_LITERAL(21, 195, 10), // "dwDataType" QT_MOC_LITERAL(22, 206, 5), // "BYTE*" QT_MOC_LITERAL(23, 212, 7), // "pBuffer" QT_MOC_LITERAL(24, 220, 9), // "dwBufSize" QT_MOC_LITERAL(25, 230, 5), // "pUser" QT_MOC_LITERAL(26, 236, 19), // "g_ExceptionCallBack" QT_MOC_LITERAL(27, 256, 6), // "dwType" QT_MOC_LITERAL(28, 263, 7), // "lUserID" QT_MOC_LITERAL(29, 271, 7) // "lHandle" }, "HKCamera\0SendAnImageToMainThread\0\0" "HKLogin\0HKStartPlay\0Mat2QImage\0cv::Mat\0" "src\0DecCBFun\0nPort\0char*\0pBuf\0nSize\0" "FRAME_INFO*\0pFrameInfo\0nReserved1\0" "nReserved2\0fRealDataCallBack\0LONG\0" "lRealHandle\0DWORD\0dwDataType\0BYTE*\0" "pBuffer\0dwBufSize\0pUser\0g_ExceptionCallBack\0" "dwType\0lUserID\0lHandle" }; #undef QT_MOC_LITERAL static const uint qt_meta_data_HKCamera[] = { // content: 7, // revision 0, // classname 0, 0, // classinfo 7, 14, // methods 0, 0, // properties 0, 0, // enums/sets 0, 0, // constructors 0, // flags 1, // signalCount // signals: name, argc, parameters, tag, flags 1, 1, 49, 2, 0x06 /* Public */, // slots: name, argc, parameters, tag, flags 3, 0, 52, 2, 0x08 /* Private */, 4, 0, 53, 2, 0x08 /* Private */, 5, 1, 54, 2, 0x08 /* Private */, 8, 6, 57, 2, 0x08 /* Private */, 17, 5, 70, 2, 0x08 /* Private */, 26, 4, 81, 2, 0x08 /* Private */, // signals: parameters QMetaType::Void, QMetaType::QImage, 2, // slots: parameters QMetaType::Void, QMetaType::Void, QMetaType::QImage, 0x80000000 | 6, 7, QMetaType::Void, QMetaType::Long, 0x80000000 | 10, QMetaType::Long, 0x80000000 | 13, QMetaType::Long, QMetaType::Long, 9, 11, 12, 14, 15, 16, QMetaType::Void, 0x80000000 | 18, 0x80000000 | 20, 0x80000000 | 22, 0x80000000 | 20, QMetaType::VoidStar, 19, 21, 23, 24, 25, QMetaType::Void, 0x80000000 | 20, 0x80000000 | 18, 0x80000000 | 18, QMetaType::VoidStar, 27, 28, 29, 25, 0 // eod }; void HKCamera::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a) { if (_c == QMetaObject::InvokeMetaMethod) { HKCamera *_t = static_cast<HKCamera *>(_o); Q_UNUSED(_t) switch (_id) { case 0: _t->SendAnImageToMainThread((*reinterpret_cast< QImage(*)>(_a[1]))); break; case 1: _t->HKLogin(); break; case 2: _t->HKStartPlay(); break; case 3: { QImage _r = _t->Mat2QImage((*reinterpret_cast< const cv::Mat(*)>(_a[1]))); if (_a[0]) *reinterpret_cast< QImage*>(_a[0]) = std::move(_r); } break; case 4: _t->DecCBFun((*reinterpret_cast< long(*)>(_a[1])),(*reinterpret_cast< char*(*)>(_a[2])),(*reinterpret_cast< long(*)>(_a[3])),(*reinterpret_cast< FRAME_INFO*(*)>(_a[4])),(*reinterpret_cast< long(*)>(_a[5])),(*reinterpret_cast< long(*)>(_a[6]))); break; case 5: _t->fRealDataCallBack((*reinterpret_cast< LONG(*)>(_a[1])),(*reinterpret_cast< DWORD(*)>(_a[2])),(*reinterpret_cast< BYTE*(*)>(_a[3])),(*reinterpret_cast< DWORD(*)>(_a[4])),(*reinterpret_cast< void*(*)>(_a[5]))); break; case 6: _t->g_ExceptionCallBack((*reinterpret_cast< DWORD(*)>(_a[1])),(*reinterpret_cast< LONG(*)>(_a[2])),(*reinterpret_cast< LONG(*)>(_a[3])),(*reinterpret_cast< void*(*)>(_a[4]))); break; default: ; } } else if (_c == QMetaObject::IndexOfMethod) { int *result = reinterpret_cast<int *>(_a[0]); void **func = reinterpret_cast<void **>(_a[1]); { typedef void (HKCamera::*_t)(QImage ); if (*reinterpret_cast<_t *>(func) == static_cast<_t>(&HKCamera::SendAnImageToMainThread)) { *result = 0; return; } } } } const QMetaObject HKCamera::staticMetaObject = { { &QObject::staticMetaObject, qt_meta_stringdata_HKCamera.data, qt_meta_data_HKCamera, qt_static_metacall, nullptr, nullptr} }; const QMetaObject *HKCamera::metaObject() const { return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject; } void *HKCamera::qt_metacast(const char *_clname) { if (!_clname) return nullptr; if (!strcmp(_clname, qt_meta_stringdata_HKCamera.stringdata0)) return static_cast<void*>(const_cast< HKCamera*>(this)); return QObject::qt_metacast(_clname); } int HKCamera::qt_metacall(QMetaObject::Call _c, int _id, void **_a) { _id = QObject::qt_metacall(_c, _id, _a); if (_id < 0) return _id; if (_c == QMetaObject::InvokeMetaMethod) { if (_id < 7) qt_static_metacall(this, _c, _id, _a); _id -= 7; } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) { if (_id < 7) *reinterpret_cast<int*>(_a[0]) = -1; _id -= 7; } return _id; } // SIGNAL 0 void HKCamera::SendAnImageToMainThread(QImage _t1) { void *_a[] = { nullptr, const_cast<void*>(reinterpret_cast<const void*>(&_t1)) }; QMetaObject::activate(this, &staticMetaObject, 0, _a); } QT_WARNING_POP QT_END_MOC_NAMESPACE