Allow preserving the muxing/writing application

See https://github.com/Martchus/tageditor/issues/108

application/main.cpp

@@ -83,6 +83,8 @@ SetTagInfoArgs::SetTagInfoArgs(Argument &filesArg, Argument &verboseArg, Argumen
     , backupDirArg("temp-dir", '\0', "specifies the directory for temporary/backup files", { "path" })
     , layoutOnlyArg("layout-only", 'l', "confirms layout-only changes")
     , preserveModificationTimeArg("preserve-modification-time", '\0', "preserves the file's modification time")
+    , preserveMuxingAppArg("preserve-muxing-app", '\0', "preserves the file's muxing app meta-data value")
+    , preserveWritingAppArg("preserve-writing-app", '\0', "preserves the file's writing app meta-data value")
     , jsArg("java-script", 'j', "modifies tag fields via the specified JavaScript", { "path" })
     , jsSettingsArg("script-settings", '\0', "passes settings to the JavaScript specified via --java-script", { "key=value" })
     , setTagInfoArg("set", 's', "sets the specified tag information and attachments")
@@ -140,7 +142,7 @@ SetTagInfoArgs::SetTagInfoArgs(Argument &filesArg, Argument &verboseArg, Argumen
         &id3v2UsageArg, &id3InitOnCreateArg, &id3TransferOnRemovalArg, &mergeMultipleSuccessiveTagsArg, &id3v2VersionArg, &encodingArg,
         &removeTargetArg, &addAttachmentArg, &updateAttachmentArg, &removeAttachmentArg, &removeExistingAttachmentsArg, &minPaddingArg,
         &maxPaddingArg, &prefPaddingArg, &tagPosArg, &indexPosArg, &forceRewriteArg, &backupDirArg, &layoutOnlyArg, &preserveModificationTimeArg,
-        &jsArg, &jsSettingsArg, &verboseArg, &pedanticArg, &quietArg, &outputFilesArg });
+        &preserveMuxingAppArg, &preserveWritingAppArg, &jsArg, &jsSettingsArg, &verboseArg, &pedanticArg, &quietArg, &outputFilesArg });
 }
 
 } // namespace Cli

application/settings.cpp

@@ -129,6 +129,8 @@ void restore()
     v.tagPocessing.autoTagManagement = settings.value(QStringLiteral("autotagmanagement"), v.tagPocessing.autoTagManagement).toBool();
     v.tagPocessing.preserveModificationTime
         = settings.value(QStringLiteral("preservemodificationtime"), v.tagPocessing.preserveModificationTime).toBool();
+    v.tagPocessing.preserveMuxingApp = settings.value(QStringLiteral("preservemuxingapp"), v.tagPocessing.preserveMuxingApp).toBool();
+    v.tagPocessing.preserveWritingApp = settings.value(QStringLiteral("preservewritingapp"), v.tagPocessing.preserveWritingApp).toBool();
     settings.beginGroup(QStringLiteral("id3v1"));
     switch (settings.value(QStringLiteral("usage"), 0).toInt()) {
     case 1:
@@ -266,6 +268,8 @@ void save()
     settings.setValue(QStringLiteral("unsupportedfieldhandling"), static_cast<int>(v.tagPocessing.unsupportedFieldHandling));
     settings.setValue(QStringLiteral("autotagmanagement"), v.tagPocessing.autoTagManagement);
     settings.setValue(QStringLiteral("preservemodificationtime"), v.tagPocessing.preserveModificationTime);
+    settings.setValue(QStringLiteral("preservemuxingapp"), v.tagPocessing.preserveMuxingApp);
+    settings.setValue(QStringLiteral("preservewritingapp"), v.tagPocessing.preserveWritingApp);
     settings.beginGroup(QStringLiteral("id3v1"));
     settings.setValue(QStringLiteral("usage"), static_cast<int>(v.tagPocessing.creationSettings.id3v1usage));
     settings.endGroup();

application/settings.h

@@ -80,6 +80,8 @@ struct TagProcessing {
     UnsupportedFieldHandling unsupportedFieldHandling = UnsupportedFieldHandling::Ignore;
     bool autoTagManagement = true;
     bool preserveModificationTime = false;
+    bool preserveMuxingApp = false;
+    bool preserveWritingApp = false;
     TagParser::TagCreationSettings creationSettings;
     FileLayout fileLayout;
 };

cli/mainfeatures.cpp

@@ -701,6 +701,12 @@ void setTagInfo(const SetTagInfoArgs &args)
     fileInfo.setForceIndexPosition(args.forceIndexPosArg.isPresent());
     fileInfo.setForceRewrite(args.forceRewriteArg.isPresent());
     fileInfo.setWritingApplication(APP_NAME " v" APP_VERSION);
+    if (args.preserveMuxingAppArg.isPresent()) {
+        fileInfo.setFileHandlingFlags(fileInfo.fileHandlingFlags() | MediaFileHandlingFlags::PreserveMuxingApplication);
+    }
+    if (args.preserveWritingAppArg.isPresent()) {
+        fileInfo.setFileHandlingFlags(fileInfo.fileHandlingFlags() | MediaFileHandlingFlags::PreserveWritingApplication);
+    }
 
     // set backup path
     if (args.backupDirArg.isPresent()) {

cli/mainfeatures.h

@@ -48,6 +48,8 @@ struct SetTagInfoArgs {
     CppUtilities::ConfigValueArgument backupDirArg;
     CppUtilities::ConfigValueArgument layoutOnlyArg;
     CppUtilities::ConfigValueArgument preserveModificationTimeArg;
+    CppUtilities::ConfigValueArgument preserveMuxingAppArg;
+    CppUtilities::ConfigValueArgument preserveWritingAppArg;
     CppUtilities::ConfigValueArgument jsArg;
     CppUtilities::ConfigValueArgument jsSettingsArg;
     CppUtilities::OperationArgument setTagInfoArg;

gui/settingsdialog.cpp

@@ -358,6 +358,8 @@ bool TagProcessingGeneralOptionPage::apply()
         }
         settings.autoTagManagement = ui()->autoTagManagementCheckBox->isChecked();
         settings.preserveModificationTime = ui()->preserveModificationTimeCheckBox->isChecked();
+        settings.preserveMuxingApp = ui()->preserveMuxingAppCheckBox->isChecked();
+        settings.preserveWritingApp = ui()->preserveWritingAppCheckBox->isChecked();
     }
     return true;
 }
@@ -393,6 +395,8 @@ void TagProcessingGeneralOptionPage::reset()
         }
         ui()->autoTagManagementCheckBox->setChecked(settings.autoTagManagement);
         ui()->preserveModificationTimeCheckBox->setChecked(settings.preserveModificationTime);
+        ui()->preserveMuxingAppCheckBox->setChecked(settings.preserveMuxingApp);
+        ui()->preserveWritingAppCheckBox->setChecked(settings.preserveWritingApp);
     }
 }
 

gui/tageditorwidget.cpp

@@ -1155,7 +1155,8 @@ bool TagEditorWidget::startSaving()
     m_fileWatcher->removePath(m_currentPath);
     // use current configuration
     const auto &settings = Settings::values();
-    const auto &fileLayoutSettings = settings.tagPocessing.fileLayout;
+    const auto &generalSettings = settings.tagPocessing;
+    const auto &fileLayoutSettings = generalSettings.fileLayout;
     m_fileInfo.setForceRewrite(fileLayoutSettings.forceRewrite);
     m_fileInfo.setTagPosition(fileLayoutSettings.preferredTagPosition);
     m_fileInfo.setForceTagPosition(fileLayoutSettings.forceTagPosition);
@@ -1165,6 +1166,12 @@ bool TagEditorWidget::startSaving()
     m_fileInfo.setMaxPadding(fileLayoutSettings.maxPadding);
     m_fileInfo.setPreferredPadding(fileLayoutSettings.preferredPadding);
     m_fileInfo.setBackupDirectory(settings.editor.backupDirectory);
+    if (generalSettings.preserveMuxingApp) {
+        m_fileInfo.setFileHandlingFlags(m_fileInfo.fileHandlingFlags() | MediaFileHandlingFlags::PreserveMuxingApplication);
+    }
+    if (generalSettings.preserveWritingApp) {
+        m_fileInfo.setFileHandlingFlags(m_fileInfo.fileHandlingFlags() | MediaFileHandlingFlags::PreserveWritingApplication);
+    }
     const auto startThread = [this, preserveModificationTime = settings.tagPocessing.preserveModificationTime] {
         // define functions to show the saving progress and to actually applying the changes
         auto showPercentage([this](AbortableProgressFeedback &progress) {

gui/tagprocessinggeneraloptionpage.ui

@@ -139,6 +139,29 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Miscellaneous</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_6">
+      <item>
+       <widget class="QCheckBox" name="preserveMuxingAppCheckBox">
+        <property name="text">
+         <string>Preserve muxing application</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="preserveWritingAppCheckBox">
+        <property name="text">
+         <string>Preserve writing application</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">