feat: 三维建模拉流，ui微调

modelcameradlg.cpp

@@ -128,11 +128,19 @@ void ModelCameraDlg::on_OFFBtn_clicked()
 //播放视频
 void ModelCameraDlg::on_pushButton_5_clicked()
 {
-    QString ip = ui->videoIPLineEdit->text();
+    QString str = ui->pushButton_5->text();
-    ui->cameraVideoWidget->setUrl(ip);
+    if(str == "播放视频")
-    ui->cameraVideoWidget->play();
+    {
-
+        QString ip = ui->videoIPLineEdit->text();
-    ui->cameraVideoWidget->m_PlayStatus = false;
+        ui->cameraVideoWidget->play();
+        ui->cameraVideoWidget->setUrl(ip);
+        ui->pushButton_5->setText("暂停播放");
+    }
+    else
+    {
+        ui->cameraVideoWidget->stop();
+        ui->pushButton_5->setText("播放视频");
+    }
 }
 
 //快门速度

modelcameradlg.ui

@@ -118,16 +118,16 @@
           <number>4</number>
          </property>
          <item>
-          <layout class="QFormLayout" name="formLayout_2">
+          <layout class="QGridLayout" name="gridLayout_2">
+           <property name="topMargin">
+            <number>4</number>
+           </property>
            <property name="horizontalSpacing">
             <number>11</number>
            </property>
            <property name="verticalSpacing">
             <number>12</number>
            </property>
-           <property name="topMargin">
-            <number>4</number>
-           </property>
            <item row="0" column="0">
             <widget class="QLabel" name="label">
              <property name="sizePolicy">