From 04b9d547a562f35c58ee034ebfe09ec4ea414c48 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Mardelle <jb@kdenlive.org>
Date: Tue, 14 Oct 2008 15:05:46 +0000
Subject: [PATCH] Fix crash on app close

svn path=/branches/KDE4/; revision=2470
---
 src/mainwindow.cpp     |  1 +
 src/monitor.cpp        |  8 ++++++++
 src/monitor.h          |  1 +
 src/monitormanager.cpp |  5 +++++
 src/monitormanager.h   |  1 +
 src/renderer.cpp       | 12 ++++++++++++
 src/renderer.h         |  1 +
 7 files changed, 29 insertions(+)

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 82bc42ef..7a73edd4 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -318,6 +318,7 @@ void MainWindow::queryQuit() {
 //virtual
 bool MainWindow::queryClose() {
     saveOptions();
+    if (m_monitorManager) m_monitorManager->stopActiveMonitor();
     if (m_activeDocument && m_activeDocument->isModified()) {
         switch (KMessageBox::warningYesNoCancel(this, i18n("Save changes to document ?"))) {
         case KMessageBox::Yes :
diff --git a/src/monitor.cpp b/src/monitor.cpp
index ef6426f5..26772877 100644
--- a/src/monitor.cpp
+++ b/src/monitor.cpp
@@ -463,6 +463,14 @@ void Monitor::refreshMonitor(bool visible) {
     }
 }
 
+void Monitor::pause() {
+    if (render == NULL) return;
+    if (!m_isActive) m_monitorManager->activateMonitor(m_name);
+    render->pause();
+    //m_playAction->setChecked(true);
+    //m_playAction->setIcon(m_pauseIcon);
+}
+
 void Monitor::slotPlay() {
     if (render == NULL) return;
     if (!m_isActive) m_monitorManager->activateMonitor(m_name);
diff --git a/src/monitor.h b/src/monitor.h
index e43aefa9..017864d4 100644
--- a/src/monitor.h
+++ b/src/monitor.h
@@ -54,6 +54,7 @@ public:
     QString name() const;
     void resetSize();
     bool isActive() const;
+    void pause();
 
 protected:
     virtual void mousePressEvent(QMouseEvent * event);
diff --git a/src/monitormanager.cpp b/src/monitormanager.cpp
index 9b44fe2d..36459bd0 100644
--- a/src/monitormanager.cpp
+++ b/src/monitormanager.cpp
@@ -67,6 +67,11 @@ void MonitorManager::switchMonitors() {
     }
 }
 
+void MonitorManager::stopActiveMonitor() {
+    if (m_clipMonitor->isActive()) m_clipMonitor->pause();
+    else m_projectMonitor->pause();
+}
+
 void MonitorManager::slotPlay() {
     if (m_clipMonitor->isActive()) m_clipMonitor->slotPlay();
     else m_projectMonitor->slotPlay();
diff --git a/src/monitormanager.h b/src/monitormanager.h
index 6d9a9a7b..4eea7141 100644
--- a/src/monitormanager.h
+++ b/src/monitormanager.h
@@ -35,6 +35,7 @@ public:
     Timecode timecode();
     void switchMonitors();
     void resetProfiles(Timecode tc);
+    void stopActiveMonitor();
 
 public slots:
     void activateMonitor(QString name = QString::null);
diff --git a/src/renderer.cpp b/src/renderer.cpp
index 74b6ceb2..394bb466 100644
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -1006,6 +1006,18 @@ void Render::stop(const GenTime & startTime) {
     m_mltConsumer->purge();
 }
 
+void Render::pause() {
+    if (!m_mltProducer || !m_mltConsumer)
+        return;
+    if (m_isZoneMode) resetZoneMode();
+    m_isBlocked = true;
+    m_mltConsumer->set("refresh", 0);
+    m_mltProducer->set_speed(0.0);
+    emit rendererPosition(m_framePosition);
+    m_mltProducer->seek(m_framePosition);
+    m_mltConsumer->purge();
+}
+
 void Render::switchPlay() {
     if (!m_mltProducer || !m_mltConsumer)
         return;
diff --git a/src/renderer.h b/src/renderer.h
index 6d8d8427..45688b92 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -101,6 +101,7 @@ Q_OBJECT public:
     backwards. Does not specify start/stop times for playback.*/
     void play(double speed);
     void switchPlay();
+    void pause();
     /** stop playing */
     void stop(const GenTime & startTime);
     void setVolume(double volume);
-- 
2.39.2