Create a new ClipController class that handles communication with clip's bin, fix various crashes

src/bin/bin.cpp

@@ -32,6 +32,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "monitor/monitor.h"
 #include "doc/kdenlivedoc.h"
 #include "core.h"
+#include "mltcontroller/clipcontroller.h"
 #include "projectsortproxymodel.h"
 #include "mlt++/Mlt.h"
 
@@ -229,6 +230,7 @@ void Bin::deleteClip(const QString &id)
 {
     ProjectClip *clip = m_rootFolder->clip(id);
     if (!clip) return;
+    m_jobManager->discardJobs(id);
     m_rootFolder->removeChild(clip);
     delete clip;
     if (m_openedProducer == id) {
@@ -293,11 +295,14 @@ int Bin::lastClipId() const
 
 void Bin::setDocument(KdenliveDoc* project)
 {
+    // Remove clip from Bin's monitor
+    m_monitor->open(NULL);
     closeEditing();
+    setEnabled(false);
+    delete m_rootFolder;
     delete m_itemView;
     m_itemView = NULL;
     delete m_jobManager;
-    delete m_rootFolder;
     m_clipCounter = 1;
     m_folderCounter = 1;
     m_doc = project;
@@ -307,6 +312,7 @@ void Bin::setDocument(KdenliveDoc* project)
     m_itemModel->setIconSize(m_iconSize);
     m_jobManager = new JobManager(this, project->fps());
     m_rootFolder = new ProjectFolder(this);
+    setEnabled(true);
     connect(this, SIGNAL(producerReady(QString)), m_doc->renderer(), SLOT(slotProcessingDone(QString)));
     //connect(m_itemModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), m_itemView
     //connect(m_itemModel, SIGNAL(updateCurrentItem()), this, SLOT(autoSelect()));
@@ -407,10 +413,11 @@ void Bin::selectProxyModel(const QModelIndex &id)
     if (id.isValid()) {
         ProjectClip *currentItem = static_cast<ProjectClip*>(m_proxyModel->mapToSource(id).internalPointer());
 	if (currentItem) {
+            // Set item as current so that it displays its content in clip monitor
+            currentItem->setCurrent(true);
             if (!currentItem->isFolder()) {
-                m_openedProducer = currentItem->clipId();
-                currentItem->setCurrent(true);
                 m_editAction->setEnabled(true);
+                m_openedProducer = currentItem->clipId();
                 if (m_propertiesPanel->width() > 0) {
                     // if info panel is displayed, update info
                     if (!currentItem->isFolder()) showClipProperties(currentItem);
@@ -418,6 +425,7 @@ void Bin::selectProxyModel(const QModelIndex &id)
             } else {
                 // A folder was selected, disable editing clip
                 m_editAction->setEnabled(false);
+                m_openedProducer.clear();
             }
 	    m_deleteAction->setEnabled(true);
         } else {
@@ -669,15 +677,21 @@ void Bin::slotThumbnailReady(const QString &id, const QImage &img)
 
 ProjectClip *Bin::getBinClip(const QString &id)
 {
-    ProjectClip *clip = m_rootFolder->clip(id);
+    ProjectClip *clip;
+    if (id.contains("_")) {
+        clip = m_rootFolder->clip(id.section("_", 0, 0));
+    }
+    else {
+        clip = m_rootFolder->clip(id);
+    }
     return clip;
 }
 
-void Bin::slotProducerReady(requestClipInfo info, Mlt::Producer *producer)
+void Bin::slotProducerReady(requestClipInfo info, ClipController *controller)
 {
     ProjectClip *clip = m_rootFolder->clip(info.clipId);
     if (clip) {
-	clip->setProducer(producer, info.replaceProducer);
+	clip->setProducer(controller, info.replaceProducer);
         emit producerReady(info.clipId);
         if (m_openedProducer == info.clipId) {
             m_monitor->open(clip->producer());
@@ -685,10 +699,10 @@ void Bin::slotProducerReady(requestClipInfo info, Mlt::Producer *producer)
     }
     else {
 	// Clip not found, create it
-        QString groupId = producer->get("groupid");
+        QString groupId = controller->property("groupid");
         ProjectFolder *parentFolder;
         if (!groupId.isEmpty()) {
-            QString groupName = producer->get("group");
+            QString groupName = controller->property("group");
             parentFolder = m_rootFolder->folder(groupId);
             if (!parentFolder) {
                 // parent folder does not exist, put in root folder
@@ -697,7 +711,7 @@ void Bin::slotProducerReady(requestClipInfo info, Mlt::Producer *producer)
             if (groupId.toInt() >= m_folderCounter) m_folderCounter = groupId.toInt() + 1;
         }
         else parentFolder = m_rootFolder;
-        ProjectClip *newItem = new ProjectClip(info.clipId, producer, parentFolder);
+        ProjectClip *newItem = new ProjectClip(info.clipId, controller, parentFolder);
         if (info.clipId.toInt() >= m_clipCounter) m_clipCounter = info.clipId.toInt() + 1;
     }
 }

src/bin/bin.h

@@ -33,6 +33,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QSortFilterProxyModel>
 
 class KdenliveDoc;
+class ClipController;
 class QSplitter;
 class KToolBar;
 class KSplitterCollapserButton;
@@ -311,7 +312,7 @@ public slots:
      *  @param replaceProducer If true, we replace the producer even if the clip already has one
      *  @param producer The MLT producer
      */
-    void slotProducerReady(requestClipInfo info, Mlt::Producer *producer);
+    void slotProducerReady(requestClipInfo info, ClipController *controller);
     void slotDeleteClip();
     void slotRefreshClipProperties();
     void slotSwitchClipProperties(const QModelIndex &ix);

src/bin/projectclip.cpp

@@ -23,6 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "projectclip.h"
 #include "projectfolder.h"
 #include "bin.h"
+#include "mltcontroller/clipcontroller.h"
 
 #include <QDomElement>
 #include <QFile>
@@ -31,22 +32,15 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <KLocalizedString>
 
-#include <mlt++/Mlt.h>
 
 
-ProjectClip::ProjectClip(const QString &id, Mlt::Producer *producer, ProjectFolder* parent) :
+ProjectClip::ProjectClip(const QString &id, ClipController *controller, ProjectFolder* parent) :
     AbstractProjectItem(AbstractProjectItem::ClipItem, id, parent),
-    m_producer(producer)
+    m_controller(controller)
 {
     m_properties = QMap <QString, QString> ();
-    QString resource = producer->get("resource");
-    if (!resource.isEmpty()) {
-        m_url = QUrl::fromLocalFile(resource);
-        if (m_url.isValid()) {
-            m_name = m_url.fileName();
-        }
-    }
-    m_duration = producer->get_length_time(mlt_time_smpte_df);
+    m_name = m_controller->clipName();
+    m_duration = m_controller->getStringDuration();
 
     getFileHash();
     setParent(parent);
@@ -54,12 +48,12 @@ ProjectClip::ProjectClip(const QString &id, Mlt::Producer *producer, ProjectFold
 
 ProjectClip::ProjectClip(const QDomElement& description, ProjectFolder* parent) :
     AbstractProjectItem(AbstractProjectItem::ClipItem, description, parent)
-    , m_producer(NULL)
+    , m_controller(NULL)
 {
     Q_ASSERT(description.hasAttribute("id"));
     m_properties = QMap <QString, QString> ();
-    m_url = QUrl::fromLocalFile(getXmlProperty(description, "resource"));
-    m_name = m_url.fileName();
+    QUrl resource = QUrl::fromLocalFile(getXmlProperty(description, "resource"));
+    m_name = resource.fileName();
     if (description.hasAttribute("zone"))
 	m_zone = QPoint(description.attribute("zone").section(':', 0, 0).toInt(), description.attribute("zone").section(':', 1, 1).toInt());
     setParent(parent);
@@ -68,9 +62,7 @@ ProjectClip::ProjectClip(const QDomElement& description, ProjectFolder* parent)
 
 ProjectClip::~ProjectClip()
 {
-    // Cancel all clip jobs so that we don't crash trying to access the deleted clip
-    bin()->discardJobs(m_id);
-    delete m_producer;
+    delete m_controller;
 }
 
 QString ProjectClip::getXmlProperty(const QDomElement &producer, const QString &propertyName)
@@ -88,18 +80,8 @@ QString ProjectClip::getXmlProperty(const QDomElement &producer, const QString &
 
 ClipType ProjectClip::clipType() const
 {
-    //TODO: store in properties
-    if (m_producer == NULL) return Unknown;
-    QString service = m_producer->get("mlt_service");
-    if (service == "avformat" || service == "avformat-novalidate") {
-	return AV;
-    }
-    if (service == "qimage" || service == "pixbuf") {
-	return Image;
-    }
-    if (service == "color") {
-	return Color;
-    }
+    if (m_controller == NULL) return Unknown;
+    return m_controller->clipType();
 }
 
 ProjectClip* ProjectClip::clip(const QString &id)
@@ -123,14 +105,14 @@ ProjectClip* ProjectClip::clipAt(int ix)
     return NULL;
 }
 
-bool ProjectClip::hasUrl() const
+/*bool ProjectClip::isValid() const
 {
-    return m_url.isValid();
-}
+    return m_controller->isValid();
+}*/
 
 QUrl ProjectClip::url() const
 {
-    return m_url;
+    return m_controller->clipUrl();
 }
 
 bool ProjectClip::hasLimitedDuration() const
@@ -141,8 +123,8 @@ bool ProjectClip::hasLimitedDuration() const
 
 int ProjectClip::duration() const
 {
-    if (m_producer) {
-	return m_producer->get_playtime();
+    if (m_controller) {
+	return m_controller->getPlaytime();
     }
     return -1;
 }
@@ -166,8 +148,8 @@ void ProjectClip::reloadProducer()
 void ProjectClip::setCurrent(bool current, bool notify)
 {
     AbstractProjectItem::setCurrent(current, notify);
-    if (current && m_producer) {
-        bin()->openProducer(m_id, producer());
+    if (current && m_controller) {
+        bin()->openProducer(m_id, m_controller->masterProducer());
     }
 }
 
@@ -180,7 +162,7 @@ QDomElement ProjectClip::toXml(QDomDocument& document)
     QString path = m_properties.value("proxy");
     if (path.length() < 2) {
         // No proxy
-        path = m_url.toLocalFile();
+        path = m_controller->clipUrl().toLocalFile();
     }
     QDomText value = document.createTextNode(path);
     prop.appendChild(value);
@@ -219,36 +201,39 @@ void ProjectClip::setThumbnail(QImage img)
     bin()->emitItemUpdated(this);
 }
 
-void ProjectClip::setProducer(Mlt::Producer *producer, bool replaceProducer)
+void ProjectClip::setProducer(ClipController *controller, bool replaceProducer)
 {
-    if (!replaceProducer && m_producer) {
+    if (!replaceProducer && m_controller) {
         qDebug()<<"// RECIEVED PRODUCER BUT WE ALREADY HAVE ONE\n----------";
         return;
     }
-    if (m_producer) {
-        delete m_producer;
+    if (m_controller) {
+        // Replace clip for this controller
+        m_controller->updateProducer(controller->masterProducer());
+        delete controller;
     }
-    m_producer = producer;
-    m_duration = producer->get_length_time(mlt_time_smpte_df);
+    else m_controller = controller;
+    m_duration = m_controller->getStringDuration();
     bin()->emitItemUpdated(this);
     getFileHash();
 }
 
 Mlt::Producer *ProjectClip::producer()
 {
-    if (!m_producer) return NULL;
-    return new Mlt::Producer(*m_producer);
+    if (!m_controller) return NULL;
+    return m_controller->masterProducer();
 }
 
 bool ProjectClip::hasProducer() const
 {
-    return m_producer!= NULL;
+    return m_controller!= NULL;
 }
 
 QMap <QString, QString> ProjectClip::properties()
 {
-    //TODO: move into its own class that creates its own widget (reuse clipproperties)
+    //TODO: move into its own class in ClipController
     QMap <QString, QString> result;
+    /*
     if (m_producer) {
         mlt_properties props = m_producer->get_properties();
         QString key = "video_index";
@@ -260,6 +245,7 @@ QMap <QString, QString> ProjectClip::properties()
         codecKey = "meta.media." + QString::number(audio_index) + ".codec.long_name";
         result.insert(i18n("Audio codec"), mlt_properties_get(props, codecKey.toUtf8().constData()));
     }
+    */
     return result;
 }
 
@@ -287,25 +273,22 @@ void ProjectClip::removeMarker(int position)
 
 void ProjectClip::setProducerProperty(const char *name, int data)
 {
-    if (m_producer) {
-	m_producer->set(name, data);
-	//TODO: also set property on all track producers
+    if (m_controller) {
+	m_controller->setProperty(name, data);
     }
 }
 
 void ProjectClip::setProducerProperty(const char *name, double data)
 {
-    if (m_producer) {
-	m_producer->set(name, data);
-	//TODO: also set property on all track producers
+    if (m_controller) {
+        m_controller->setProperty(name, data);
     }
 }
 
 void ProjectClip::setProducerProperty(const char *name, const char *data)
 {
-    if (m_producer) {
-	m_producer->set(name, data);
-	//TODO: also set property on all track producers
+    if (m_controller) {
+        m_controller->setProperty(name, data);
     }
 }
 
@@ -313,8 +296,8 @@ void ProjectClip::setProducerProperty(const char *name, const char *data)
 QString ProjectClip::getProducerProperty(const QString &key)
 {
     QString value;
-    if (m_producer) {
-	value = m_producer->get(key.toUtf8().constData());
+    if (m_controller) {
+	value = m_controller->property(key);
     }
     return value;
 }
@@ -328,8 +311,7 @@ const QString ProjectClip::hash()
 void ProjectClip::getFileHash()
 {
     if (clipType() == SlideShow) return;    
-    QFile file(m_url.toLocalFile());
-    qDebug()<<"// CREATE FILE HASH FOR CLIP";
+    QFile file(m_controller->clipUrl().toLocalFile());
     if (file.open(QIODevice::ReadOnly)) { // write size and hash only if resource points to a file
         QByteArray fileData;
         QByteArray fileHash;

src/bin/projectclip.h

@@ -32,6 +32,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 class ProjectFolder;
 class QDomElement;
+class ClipController;
 
 namespace Mlt {
   class Producer;
@@ -54,7 +55,7 @@ public:
     /**
      * @brief Constructor; used when loading a project and the producer is already available.
      */
-    ProjectClip(const QString &id, Mlt::Producer *producer, ProjectFolder* parent);
+    ProjectClip(const QString &id, ClipController *controller, ProjectFolder* parent);
     /**
      * @brief Constructor.
      * @param description element describing the clip; the "id" attribute and "resource" property are used
@@ -121,7 +122,7 @@ public:
      *  @param producer The producer
      *  @param replaceProducer If true, we replace existing producer with this one
      * . */
-    void setProducer(Mlt::Producer *producer, bool replaceProducer);
+    void setProducer(ClipController *controller, bool replaceProducer);
     
     /** @brief Returns true if this clip already has a producer. */
     bool hasProducer() const;
@@ -170,8 +171,8 @@ private:
     QList <int> m_markers;
     //TODO: handle properties inside MLT ?
     QMap <QString, QString> m_properties;
-    /** @brief The MLT producer for this clip. */
-    Mlt::Producer *m_producer;
+    /** @brief The Clip controller for this clip. */
+    ClipController *m_controller;
     /** @brief Generate and store file hash if not available. */
     void getFileHash();
 };

src/bin/projectfolder.cpp

@@ -41,13 +41,22 @@ ProjectFolder::ProjectFolder(Bin *bin) :
     AbstractProjectItem(AbstractProjectItem::FolderItem, QString::number(-1))
     , m_bin(bin)
 {
+    m_name = "root";
     setParent(NULL);
 }
 
 ProjectFolder::~ProjectFolder()
 {
+    qDebug()<<" * * *DELETING PRO FOLDER: "<<m_name;
 }
 
+void ProjectFolder::setCurrent(bool current, bool notify)
+{
+    AbstractProjectItem::setCurrent(current, notify);
+    if (current) {
+        bin()->openProducer(QString(), NULL);
+    }
+}
 
 ProjectClip* ProjectFolder::clip(const QString &id)
 {

src/bin/projectfolder.h

@@ -63,6 +63,9 @@ public:
      */
     ProjectFolder* folder(const QString &id);
 
+    /** @brief Calls AbstractProjectItem::setCurrent and blank the bin monitor. */
+    virtual void setCurrent(bool current, bool notify = true);
+
     /** 
      * @brief Returns the clip if it is a child (also indirect).
      * @param index index of the child which should be returned

src/core.cpp

@@ -47,6 +47,7 @@ void Core::init()
     m_binWidget = new Bin();
     m_binController = new BinController();
     m_monitorManager = new MonitorManager(this);
+    emit coreIsReady();
 }
 
 Core* Core::self()

src/core.h

@@ -72,6 +72,9 @@ private:
     MonitorManager *m_monitorManager;
     BinController *m_binController;
     Bin *m_binWidget;
+    
+signals:
+    void coreIsReady();
 };
 
 #endif

src/doc/documentvalidator.cpp

@@ -154,7 +154,7 @@ bool DocumentValidator::validate(const double currentVersion)
 	// Remove "main bin" playlist that simply holds the bin's clips and is not a real playlist
 	for (int i = 0; i < playlists.count(); ++i) {
 	    QString playlistId = playlists.at(i).toElement().attribute("id");
-	    if (playlistId == BinController::id()) {
+	    if (playlistId == BinController::binPlaylistId()) {
 		// remove pseudo-playlist
 		//playlists.at(i).parentNode().removeChild(playlists.at(i));
                 trackOffset = 2;

src/doc/kdenlivedoc.cpp

@@ -409,15 +409,12 @@ KdenliveDoc::~KdenliveDoc()
 
 int KdenliveDoc::setSceneList()
 {
-    qDebug()<<" ++++++++ SETTING SCENE LIST ++++++++++++++++";
     m_render->resetProfile(KdenliveSettings::current_profile(), true);
     if (m_render->setSceneList(m_document.toString(), m_documentProperties.value("position").toInt()) == -1) {
         // INVALID MLT Consumer, something is wrong
         return -1;
     }
     m_documentProperties.remove("position");
-    // m_document xml is now useless, clear it
-    m_document.clear();
     return 0;
 }
 
@@ -1285,6 +1282,11 @@ void KdenliveDoc::addClipList(const QList<QUrl> &urls, const QMap<QString, QStri
     emit selectLastAddedClip(QString::number(m_clipManager->lastClipId()));
 }
 
+ProjectClip *KdenliveDoc::getBinClip(const QString &clipId)
+{
+    return pCore->bin()->getBinClip(clipId);
+}
+
 DocClipBase *KdenliveDoc::getBaseClip(const QString &clipId)
 {
     return m_clipManager->getClipById(clipId);

src/doc/kdenlivedoc.h

@@ -45,6 +45,7 @@ class DocClipBase;
 class MainWindow;
 class TrackInfo;
 class NotesPlugin;
+class ProjectClip;
 
 class QTextEdit;
 class QProgressDialog;
@@ -89,6 +90,7 @@ public:
     bool addClipInfo(QDomElement elem, QDomElement orig, const QString &clipId);
     void deleteClip(const QString &clipId);
     int getFramePos(const QString &duration);
+    ProjectClip *getBinClip(const QString &clipId);
     DocClipBase *getBaseClip(const QString &clipId);
     void updateClip(const QString &id);
 

src/mainwindow.cpp

@@ -439,8 +439,9 @@ MainWindow::MainWindow(const QString &MltPath, const QUrl &Url, const QString &
             KdenliveSettings::setDecklink_extension(data.section(';', 1, 1));
         }
     }
-    
+
     pCore->projectManager()->init(Url, clipsToLoad);
+    QTimer::singleShot(0, pCore->projectManager(), SLOT(slotLoadOnOpen()));
 
 #ifdef USE_JOGSHUTTLE
     new JogManager(this);
@@ -650,7 +651,7 @@ void MainWindow::slotConnectMonitors()
     
     connect(m_projectMonitor->render, SIGNAL(replyGetImage(QString,QImage)), pCore->bin(), SLOT(slotThumbnailReady(QString,QImage)));
     
-    connect(m_projectMonitor->render, SIGNAL(gotFileProperties(requestClipInfo,Mlt::Producer *)), pCore->bin(), SLOT(slotProducerReady(requestClipInfo,Mlt::Producer *)));
+    connect(m_projectMonitor->render, SIGNAL(gotFileProperties(requestClipInfo,ClipController *)), pCore->bin(), SLOT(slotProducerReady(requestClipInfo,ClipController *)));
 
     connect(m_projectMonitor->render, SIGNAL(replyGetFileProperties(requestClipInfo &,Mlt::Producer &,stringMap,stringMap)), m_projectList, SLOT(slotReplyGetFileProperties(requestClipInfo &,Mlt::Producer &,stringMap,stringMap)), Qt::DirectConnection);
     //DirectConnection was necessary not to mess the analyze queue, but the monitor thread shouldn't show any UI widget (profile dialog), so adding an AutoConnection in between?

src/mltcontroller/CMakeLists.txt

 set(kdenlive_SRCS
   ${kdenlive_SRCS}
   mltcontroller/bincontroller.cpp
+  mltcontroller/clipcontroller.cpp
   PARENT_SCOPE)
\ No newline at end of file

src/mltcontroller/bincontroller.cpp

@@ -19,6 +19,7 @@
 
 
 #include "bincontroller.h"
+#include "clipcontroller.h"
 #include "kdenlivesettings.h"
 
 #include <QFileInfo>
@@ -27,8 +28,8 @@ static const char* kPlaylistTrackId = "main bin";
 
 BinController::BinController(QString profileName)
 {
-    m_binPlaylist = NULL;
     m_mltProfile = NULL;
+    m_binPlaylist = NULL;
     Mlt::Factory::init();
     if (profileName.isEmpty()) {
         profileName = KdenliveSettings::current_profile();
@@ -70,17 +71,50 @@ Mlt::Profile *BinController::profile()
 void BinController::destroyBin()
 {
     if (m_binPlaylist) {
-	m_binPlaylist->clear();
-	delete m_binPlaylist;
-	m_binPlaylist = NULL;
+        m_binPlaylist->clear();
+        delete m_binPlaylist;
+        m_binPlaylist = NULL;
     }
+    // Controllers are deleted from the Bin's ProjectClip
+    m_clipList.clear();
 }
 
 void BinController::initializeBin(Mlt::Playlist playlist)
 {
+    // Fill Controller's list
     m_binPlaylist = new Mlt::Playlist(playlist);
     m_binPlaylist->set("id", kPlaylistTrackId);
-    rebuildIndex();
+    for (int i = 0; i < m_binPlaylist->count(); i++) {
+        Mlt::Producer *producer = m_binPlaylist->get_clip(i);
+        if (producer->is_blank() || !producer->is_valid()) continue;
+        QString id = producer->parent().get("id");
+        if (id.contains("_")) {
+            // This is a track producer
+            QString mainId = id.section("_", 0, 0);
+            int track = id.section("_", 1, 1).toInt();
+            if (m_clipList.contains(mainId)) {
+                // The controller for this track producer already exists
+                m_clipList.value(mainId)->appendTrackProducer(track, producer->parent());
+            }
+            else {
+                // Create empty controller for this track
+                ClipController *controller = new ClipController(this);
+                controller->appendTrackProducer(track, producer->parent());
+                m_clipList.insert(mainId, controller);
+            }
+        }
+        else {
+            if (m_clipList.contains(id)) {
+                //Controller was already added by a track producer, add master now
+                m_clipList.value(id)->addMasterProducer(producer->parent());
+            }
+            else {
+                // Controller has not been created yet
+                ClipController *controller = new ClipController(this, producer->parent());
+                m_clipList.insert(id, controller);
+            }
+        }
+    }
 }
 
 void BinController::createIfNeeded()
@@ -90,117 +124,82 @@ void BinController::createIfNeeded()
     m_binPlaylist->set("id", kPlaylistTrackId);
 }
 
-const QString BinController::id()
-{
-    return kPlaylistTrackId;
-}
-
-
 mlt_service BinController::service()