优化转码添加LS的限制，优化缓存读取的问题

src/pages/batchconvert/batchconvertpage.cpp

@@ -26,6 +26,31 @@
 #include "ElaProgressBar.h"
 #include "ElaText.h"
 
+namespace {
+
+bool validateLsFunctionNames(QWidget *parent, const QStringList &functionNames)
+{
+    QStringList nonLsNames;
+    for (const QString &name : functionNames) {
+        const QString trimmedName = name.trimmed();
+        if (!trimmedName.isEmpty()
+            && !trimmedName.startsWith("LS_")
+            && !nonLsNames.contains(trimmedName)) {
+            nonLsNames.append(trimmedName);
+        }
+    }
+
+    if (nonLsNames.isEmpty()) {
+        return true;
+    }
+
+    QMessageBox::warning(parent, "提示",
+        QString("不支持非LS业务转码：\n%1").arg(nonLsNames.join('\n')));
+    return false;
+}
+
+}
+
 class StatusDelegate : public QStyledItemDelegate
 {
 public:
@@ -264,6 +289,10 @@ void BatchConvertPage::onEditRow(int row)
             continue;
         }
         
+        if (!validateLsFunctionNames(this, QStringList{newName})) {
+            continue;
+        }
+
         if (newName == oldName) {
             return;
         }
@@ -303,7 +332,13 @@ void BatchConvertPage::onAddFunction()
     btnLayout->addWidget(cancelBtn);
     layout->addLayout(btnLayout);
     
-    connect(okBtn, &QPushButton::clicked, &dialog, &QDialog::accept);
+    connect(okBtn, &QPushButton::clicked, &dialog, [this, &dialog, textEdit]() {
+        const QStringList funcNames =
+            textEdit->toPlainText().split('\n', Qt::SkipEmptyParts);
+        if (validateLsFunctionNames(this, funcNames)) {
+            dialog.accept();
+        }
+    });
     connect(cancelBtn, &QPushButton::clicked, &dialog, &QDialog::reject);
     
     if (dialog.exec() != QDialog::Accepted) {