Add option to not pause the playback while seeking

src/dialogs/kdenlivesettingsdialog.cpp

@@ -1101,6 +1101,10 @@ void KdenliveSettingsDialog::updateSettings()
         emit pCore->autoScrollChanged();
     }
 
+    if (m_configTimeline.kcfg_pauseonseek->isChecked() != KdenliveSettings::pauseonseek()) {
+        KdenliveSettings::setPauseonseek(m_configTimeline.kcfg_pauseonseek->isChecked());
+    }
+
     // Mimes
     if (m_configEnv.kcfg_addedExtensions->text() != KdenliveSettings::addedExtensions()) {
         // Update list

src/kdenlivesettings.kcfg

@@ -322,6 +322,11 @@
       <default>true</default>
     </entry>
 
+    <entry name="pauseonseek" type="Bool">
+      <label>Pause playback when seeking.</label>
+      <default>true</default>
+    </entry>
+
     <entry name="verticalzoom" type="Bool">
       <label>Vertical drag in timeline ruler zooms.</label>
       <default>false</default>

src/monitor/monitor.cpp

@@ -2301,7 +2301,9 @@ void Monitor::processSeek(int pos)
     if (!slotActivateMonitor()) {
         return;
     }
-    pause();
+    if (KdenliveSettings::pauseonseek()) {
+        pause();
+    }
     m_glMonitor->requestSeek(pos);
     emit m_monitorManager->cleanMixer();
 }

src/monitor/monitor.h

@@ -277,7 +277,7 @@ private slots:
     void slotSeekPosition(int);
     void addSnapPoint(int pos);
     void removeSnapPoint(int pos);
-    /** @brief Pause monitor and process seek */
+    /** @brief Process seek and optionally pause monitor */
     void processSeek(int pos);
     /** @brief Check and display dropped frames */
     void checkDrops();

src/ui/configtimeline_ui.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="7" column="0" colspan="4">
+   <item row="8" column="0" colspan="4">
     <widget class="QGroupBox" name="groupBox_2">
      <property name="title">
       <string>Raise properties pane when selecting in timeline</string>
@@ -113,7 +113,7 @@
      </layout>
     </widget>
    </item>
-   <item row="6" column="0" colspan="4">
+   <item row="7" column="0" colspan="4">
     <widget class="QGroupBox" name="groupBox_3">
      <property name="title">
       <string>Multi stream audio clips</string>
@@ -168,7 +168,7 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="0" colspan="4">
+   <item row="6" column="0" colspan="4">
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
       <widget class="QLabel" name="label">
@@ -212,7 +212,14 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="0" colspan="3">
+   <item row="4" column="0" colspan="4">
+    <widget class="QCheckBox" name="kcfg_pauseonseek">
+     <property name="text">
+      <string>Pause playback when seeking</string>
+     </property>
+    </widget>
+   </item>
+   <item row="5" column="0" colspan="3">
     <widget class="QCheckBox" name="kcfg_verticalzoom">
      <property name="text">
       <string>Zoom using vertical drag in ruler</string>