]> git.sesse.net Git - kdenlive/blobdiff - src/renderer.cpp
Fix seeking after play zone:http://www.kdenlive.org/mantis/view.php?id=2876
[kdenlive] / src / renderer.cpp
index 3343bd52a6c6e90014e9d7889e49c750ef4fc80d..70cf139d6770ae92924376b201d9cb8efeb4050c 100644 (file)
@@ -53,6 +53,7 @@
 
 #include <QDebug>
 
+#define SEEK_INACTIVE (-1)
 
 static void kdenlive_callback(void* /*ptr*/, int level, const char* fmt, va_list vl)
 {
@@ -94,17 +95,16 @@ static void consumer_gl_frame_show(mlt_consumer, Render * self, mlt_frame frame_
 {
     // detect if the producer has finished playing. Is there a better way to do it?
     Mlt::Frame frame(frame_ptr);
-    self->showFrame(frame);
-    if (frame.get_double("_speed") == 0.0) {
-        self->emitConsumerStopped();
-    } else if (frame.get_double("_speed") < 0.0 && mlt_frame_get_position(frame_ptr) <= 0) {
-        self->pause();
-        self->emitConsumerStopped();
+    if (frame.get_double("_speed") < 0.0 && mlt_frame_get_position(frame_ptr) <= 0) {
+       self->pause();
+       self->emitConsumerStopped();
     }
+    self->showFrame(frame);
 }
 
 Render::Render(Kdenlive::MONITORID rendererName, int winid, QString profile, QWidget *parent) :
     AbstractRender(rendererName, parent),
+    requestedSeekPosition(SEEK_INACTIVE),
     m_name(rendererName),
     m_mltConsumer(NULL),
     m_mltProducer(NULL),
@@ -116,8 +116,10 @@ Render::Render(Kdenlive::MONITORID rendererName, int winid, QString profile, QWi
     m_isLoopMode(false),
     m_isSplitView(false),
     m_blackClip(NULL),
-    m_winid(winid)
+    m_winid(winid),
+    m_paused(true)
 {
+    qRegisterMetaType<stringMap> ("stringMap");
     analyseAudio = KdenliveSettings::monitor_audio();
     if (profile.isEmpty()) profile = KdenliveSettings::current_profile();
     buildConsumer(profile);
@@ -125,8 +127,10 @@ Render::Render(Kdenlive::MONITORID rendererName, int winid, QString profile, QWi
     m_mltConsumer->connect(*m_mltProducer);
     m_mltProducer->set_speed(0.0);
     m_refreshTimer.setSingleShot(true);
-    m_refreshTimer.setInterval(70);
+    m_refreshTimer.setInterval(100);
     connect(&m_refreshTimer, SIGNAL(timeout()), this, SLOT(refresh()));
+    connect(this, SIGNAL(multiStreamFound(const QString &,QList<int>,QList<int>,stringMap)), this, SLOT(slotMultiStreamProducerFound(const QString &,QList<int>,QList<int>,stringMap)));
+    connect(this, SIGNAL(checkSeeking()), this, SLOT(slotCheckSeeking()));
 }
 
 Render::~Render()
@@ -189,15 +193,23 @@ void Render::buildConsumer(const QString &profileName)
     delete m_blackClip;
     m_blackClip = NULL;
 
-    //TODO: uncomment following line when everything is clean
-    // uncommented Feb 2011 --Granjow
-    if (m_mltProfile) delete m_mltProfile;
     m_activeProfile = profileName;
-    char *tmp = qstrdup(m_activeProfile.toUtf8().constData());
-    setenv("MLT_PROFILE", tmp, 1);
-    m_mltProfile = new Mlt::Profile(tmp);
+    if (m_mltProfile) {
+       Mlt::Profile tmpProfile(m_activeProfile.toUtf8().constData());
+       m_mltProfile->set_colorspace(tmpProfile.colorspace());
+       m_mltProfile->set_frame_rate(tmpProfile.frame_rate_num(), tmpProfile.frame_rate_den());
+       m_mltProfile->set_height(tmpProfile.height());
+       m_mltProfile->set_width(tmpProfile.width());
+       m_mltProfile->set_progressive(tmpProfile.progressive());
+       m_mltProfile->set_sample_aspect(tmpProfile.sample_aspect_num(), tmpProfile.sample_aspect_den());
+       m_mltProfile->get_profile()->display_aspect_num = tmpProfile.display_aspect_num();
+       m_mltProfile->get_profile()->display_aspect_den = tmpProfile.display_aspect_den();
+    }
+    else {
+       m_mltProfile = new Mlt::Profile(m_activeProfile.toUtf8().constData());
+    }
+    setenv("MLT_PROFILE", m_activeProfile.toUtf8().constData(), 1);
     m_mltProfile->set_explicit(true);
-    delete[] tmp;
 
     m_blackClip = new Mlt::Producer(*m_mltProfile, "colour", "black");
     m_blackClip->set("id", "black");
@@ -211,16 +223,16 @@ void Render::buildConsumer(const QString &profileName)
         if (device >= 0) {
             if (BMInterface::isSupportedProfile(device, profileProperties)) {
                 QString decklink = "decklink:" + QString::number(KdenliveSettings::blackmagic_output_device());
-                tmp = qstrdup(decklink.toUtf8().constData());
-                m_mltConsumer = new Mlt::Consumer(*m_mltProfile, tmp);
-                delete[] tmp;
+                if (!m_mltConsumer) {
+                   m_mltConsumer = new Mlt::Consumer(*m_mltProfile, decklink.toUtf8().constData());
+                   m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
+                   mlt_log_set_callback(kdenlive_callback);
+               }
                 if (m_mltConsumer->is_valid()) {
                     m_externalConsumer = true;
-                    m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
                     m_mltConsumer->set("terminate_on_pause", 0);
                     m_mltConsumer->set("deinterlace_method", "onefield");
                     m_mltConsumer->set("real_time", KdenliveSettings::mltthreads());
-                    mlt_log_set_callback(kdenlive_callback);
                 }
                 if (m_mltConsumer && m_mltConsumer->is_valid()) return;
             } else KMessageBox::informationList(qApp->activeWindow(), i18n("Your project's profile %1 is not compatible with the blackmagic output card. Please see supported profiles below. Switching to normal video display.", m_mltProfile->description()), BMInterface::supportedModes(KdenliveSettings::blackmagic_output_device()));
@@ -242,15 +254,19 @@ void Render::buildConsumer(const QString &profileName)
     //m_mltConsumer->set("fullscreen", 1);
     if (m_winid == 0) {
         // OpenGL monitor
-        m_mltConsumer = new Mlt::Consumer(*m_mltProfile, "sdl_audio");
+        if (!m_mltConsumer) {
+           m_mltConsumer = new Mlt::Consumer(*m_mltProfile, "sdl_audio");
+           m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_gl_frame_show);
+       }
         m_mltConsumer->set("preview_off", 1);
         m_mltConsumer->set("preview_format", mlt_image_rgb24a);
-        m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_gl_frame_show);
     } else {
-        m_mltConsumer = new Mlt::Consumer(*m_mltProfile, "sdl_preview");
-        m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
-        m_pauseEvent = m_mltConsumer->listen("consumer-sdl-paused", this, (mlt_listener) consumer_paused);
-        m_mltConsumer->set("window_id", m_winid);
+        if (!m_mltConsumer) {
+           m_mltConsumer = new Mlt::Consumer(*m_mltProfile, "sdl_preview");
+         m_showFrameEvent = m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
+         m_pauseEvent = m_mltConsumer->listen("consumer-sdl-paused", this, (mlt_listener) consumer_paused);
+       }
+       m_mltConsumer->set("window_id", m_winid);
     }
     m_mltConsumer->set("resize", 1);
     m_mltConsumer->set("terminate_on_pause", 1);
@@ -285,7 +301,7 @@ void Render::buildConsumer(const QString &profileName)
 Mlt::Producer *Render::invalidProducer(const QString &id)
 {
     Mlt::Producer *clip;
-    QString txt = "+" + i18n("Missing clip") + ".txt";
+    QString txt = '+' + i18n("Missing clip") + ".txt";
     char *tmp = qstrdup(txt.toUtf8().constData());
     clip = new Mlt::Producer(*m_mltProfile, tmp);
     delete[] tmp;
@@ -324,12 +340,6 @@ int Render::resetProfile(const QString &profileName, bool dropSceneList)
         if (m_isSplitView) slotSplitView(false);
         if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
         m_mltConsumer->purge();
-        if (m_showFrameEvent) delete m_showFrameEvent;
-        m_showFrameEvent = NULL;
-        if (m_pauseEvent) delete m_pauseEvent;
-        m_pauseEvent = NULL;
-        delete m_mltConsumer;
-        m_mltConsumer = NULL;
     }
     QString scene;
     if (!dropSceneList) scene = sceneList();
@@ -378,22 +388,22 @@ void Render::seek(GenTime time)
 {
     if (!m_mltProducer)
         return;
-
-    m_mltProducer->seek((int)(time.frames(m_fps)));
-    if (m_mltProducer->get_speed() == 0) {
-        refresh();
-    }
+    int pos = time.frames(m_fps);
+    seek(pos);
 }
 
 void Render::seek(int time)
 {
-    if (!m_mltProducer)
-        return;
-
-    m_mltProducer->seek(time);
-    if (m_mltProducer->get_speed() == 0) {
-        refresh();
+    resetZoneMode();
+    if (requestedSeekPosition == SEEK_INACTIVE) {
+       requestedSeekPosition = time;
+       m_mltProducer->seek(time);
+       //m_mltConsumer->purge();
+       if (m_paused) {
+           refresh();
+       }
     }
+    else requestedSeekPosition = time;
 }
 
 //static
@@ -529,28 +539,28 @@ void Render::slotSplitView(bool doit)
                 transition->set("mlt_service", "composite");
                 transition->set("a_track", 0);
                 transition->set("b_track", i);
-                transition->set("distort", 1);
+                transition->set("distort", 0);
+               transition->set("aligned", 0);
                 transition->set("internal_added", "200");
-                const char *tmp;
+                QString geometry;
                 switch (screen) {
                 case 0:
-                    tmp = "0,0:50%x50%";
+                    geometry = "0/0:50%x50%";
                     break;
                 case 1:
-                    tmp = "50%,0:50%x50%";
+                    geometry = "50%/0:50%x50%";
                     break;
                 case 2:
-                    tmp = "0,50%:50%x50%";
+                    geometry = "0/50%:50%x50%";
                     break;
                 case 3:
                 default:
-                    tmp = "50%,50%:50%x50%";
+                    geometry = "50%/50%:50%x50%";
                     break;
                 }
-                transition->set("geometry", tmp);
+                transition->set("geometry", geometry.toUtf8().constData());
                 transition->set("always_active", "1");
                 field->plant_transition(*transition, 0, i);
-                //delete[] tmp;
                 screen++;
             }
         }
@@ -668,7 +678,6 @@ void Render::processFileProperties()
         KUrl url(path);
         Mlt::Producer *producer = NULL;
         CLIPTYPE type = (CLIPTYPE)info.xml.attribute("type").toInt();
-
         if (type == COLOR) {
             producer = new Mlt::Producer(*m_mltProfile, 0, ("colour:" + info.xml.attribute("colour")).toUtf8().constData());
         } else if (type == TEXT) {
@@ -676,15 +685,23 @@ void Render::processFileProperties()
             if (producer && producer->is_valid() && info.xml.hasAttribute("xmldata"))
                 producer->set("xmldata", info.xml.attribute("xmldata").toUtf8().constData());
         } else if (url.isEmpty()) {
+           //WARNING: when is this case used? Not sure it is working.. JBM/
             QDomDocument doc;
             QDomElement mlt = doc.createElement("mlt");
             QDomElement play = doc.createElement("playlist");
+           play.setAttribute("id", "playlist0");
             doc.appendChild(mlt);
             mlt.appendChild(play);
             play.appendChild(doc.importNode(info.xml, true));
+           QDomElement tractor = doc.createElement("tractor");
+           tractor.setAttribute("id", "tractor0");
+           QDomElement track = doc.createElement("track");
+           track.setAttribute("producer", "playlist0");
+           tractor.appendChild(track);
+           mlt.appendChild(tractor);
             producer = new Mlt::Producer(*m_mltProfile, "xml-string", doc.toString().toUtf8().constData());
         } else {
-            producer = new Mlt::Producer(*m_mltProfile, path.toUtf8().constData());
+           producer = new Mlt::Producer(*m_mltProfile, path.toUtf8().constData());
         }
 
         if (producer == NULL || producer->is_blank() || !producer->is_valid()) {
@@ -769,12 +786,12 @@ void Render::processFileProperties()
         if (type == COLOR || type == TEXT || type == IMAGE || type == SLIDESHOW) {
             int length;
             if (info.xml.hasAttribute("length")) {
-                if (clipOut > 0) duration = clipOut + 1;
                 length = info.xml.attribute("length").toInt();
                 clipOut = length - 1;
             }
             else length = info.xml.attribute("out").toInt() - info.xml.attribute("in").toInt();
             producer->set("length", length);
+           duration = length;
         }
 
         if (clipOut > 0) producer->set_in_and_out(info.xml.attribute("in").toInt(), clipOut);
@@ -810,7 +827,6 @@ void Render::processFileProperties()
         char property[200];
 
         if (frameNumber > 0) producer->seek(frameNumber);
-
         duration = duration > 0 ? duration : producer->get_playtime();
         filePropertyMap["duration"] = QString::number(duration);
         //kDebug() << "///////  PRODUCER: " << url.path() << " IS: " << producer->get_playtime();
@@ -861,29 +877,67 @@ void Render::processFileProperties()
             }
         }
 
-        // Get frame rate
-        int vindex = producer->get_int("video_index");
-        if (vindex > -1) {
-            snprintf(property, sizeof(property), "meta.media.%d.stream.frame_rate", vindex);
-            if (producer->get(property))
-                filePropertyMap["fps"] = producer->get(property);
-        }
+       int vindex = -1;
+       const QString mltService = producer->get("mlt_service");
+       if (mltService == "xml" || mltService == "consumer") {
+           // MLT playlist, create producer with blank profile to get real profile info
+           // TODO: is there an easier way to get this info (original source clip profile) from MLT?
+           Mlt::Profile *original_profile = new Mlt::Profile();
+           Mlt::Producer *tmpProd = new Mlt::Producer(*original_profile, path.toUtf8().constData());
+           filePropertyMap["progressive"] = QString::number(original_profile->progressive());
+           filePropertyMap["colorspace"] = QString::number(original_profile->colorspace());
+           filePropertyMap["fps"] = QString::number(original_profile->fps());
+           filePropertyMap["aspect_ratio"] = QString::number(original_profile->sar());
+           delete tmpProd;
+           delete original_profile;
+       }
+       else if (mltService == "avformat") {
+           // Get frame rate
+           vindex = producer->get_int("video_index");
+
+           // List streams
+           int streams = producer->get_int("meta.media.nb_streams");
+           QList <int> audio_list;
+           QList <int> video_list;
+           for (int i = 0; i < streams; i++) {
+               QByteArray propertyName = QString("meta.media.%1.stream.type").arg(i).toLocal8Bit();
+               QString type = producer->get(propertyName.data());
+               if (type == "audio") audio_list.append(i);
+               else if (type == "video") video_list.append(i);
+           }
 
-        if (!filePropertyMap.contains("fps")) {
-            if (producer->get_double("meta.media.frame_rate_den") > 0) {
-                filePropertyMap["fps"] = locale.toString(producer->get_double("meta.media.frame_rate_num") / producer->get_double("meta.media.frame_rate_den"));
-            } else filePropertyMap["fps"] = producer->get("source_fps");
-        }
+           if (!info.xml.hasAttribute("video_index") && video_list.count() > 1) {
+               // Clip has more than one video stream, ask which one should be used
+               QMap <QString, QString> data;
+               if (info.xml.hasAttribute("group")) data.insert("group", info.xml.attribute("group"));
+               if (info.xml.hasAttribute("groupId")) data.insert("groupId", info.xml.attribute("groupId"));
+               emit multiStreamFound(path, audio_list, video_list, data);
+               // Force video index so that when reloading the clip we don't ask again for other streams
+               filePropertyMap["video_index"] = QString::number(vindex);
+           }
+       
+           if (vindex > -1) {
+               snprintf(property, sizeof(property), "meta.media.%d.stream.frame_rate", vindex);
+               if (producer->get(property))
+                   filePropertyMap["fps"] = producer->get(property);
+           }
+
+           if (!filePropertyMap.contains("fps")) {
+               if (producer->get_double("meta.media.frame_rate_den") > 0) {
+                   filePropertyMap["fps"] = locale.toString(producer->get_double("meta.media.frame_rate_num") / producer->get_double("meta.media.frame_rate_den"));
+               } else filePropertyMap["fps"] = producer->get("source_fps");
+           }
+       }
 
         Mlt::Frame *frame = producer->get_frame();
         if (frame && frame->is_valid()) {
             filePropertyMap["frame_size"] = QString::number(frame->get_int("width")) + 'x' + QString::number(frame->get_int("height"));
             filePropertyMap["frequency"] = QString::number(frame->get_int("frequency"));
             filePropertyMap["channels"] = QString::number(frame->get_int("channels"));
-            filePropertyMap["aspect_ratio"] = frame->get("aspect_ratio");
+            if (!filePropertyMap.contains("aspect_ratio")) filePropertyMap["aspect_ratio"] = frame->get("aspect_ratio");
 
             if (frame->get_int("test_image") == 0) {
-                if (url.path().endsWith(".mlt") || url.path().endsWith(".westley") || url.path().endsWith(".kdenlive")) {
+                if (mltService == "xml" || mltService == "consumer") {
                     filePropertyMap["type"] = "playlist";
                     metadataPropertyMap["comment"] = QString::fromUtf8(producer->get("title"));
                 } else if (frame->get_int("test_audio") == 0)
@@ -917,61 +971,63 @@ void Render::processFileProperties()
         // Retrieve audio / video codec name
         // If there is a
 
-        if (vindex > -1) {
-            /*if (context->duration == AV_NOPTS_VALUE) {
-            kDebug() << " / / / / / / / /ERROR / / / CLIP HAS UNKNOWN DURATION";
-                emit removeInvalidClip(clipId);
-            delete producer;
-            return;
-            }*/
-            // Get the video_index
-            int video_max = 0;
-            int default_audio = producer->get_int("audio_index");
-            int audio_max = 0;
-
-            int scan = producer->get_int("meta.media.progressive");
-            filePropertyMap["progressive"] = QString::number(scan);
-
-            // Find maximum stream index values
-            for (int ix = 0; ix < producer->get_int("meta.media.nb_streams"); ix++) {
-                snprintf(property, sizeof(property), "meta.media.%d.stream.type", ix);
-                QString type = producer->get(property);
-                if (type == "video")
-                    video_max = ix;
-                else if (type == "audio")
-                    audio_max = ix;
-            }
-            filePropertyMap["default_video"] = QString::number(vindex);
-            filePropertyMap["video_max"] = QString::number(video_max);
-            filePropertyMap["default_audio"] = QString::number(default_audio);
-            filePropertyMap["audio_max"] = QString::number(audio_max);
-
-            snprintf(property, sizeof(property), "meta.media.%d.codec.long_name", vindex);
-            if (producer->get(property)) {
-                filePropertyMap["videocodec"] = producer->get(property);
-            } else {
-                snprintf(property, sizeof(property), "meta.media.%d.codec.name", vindex);
-                if (producer->get(property))
-                    filePropertyMap["videocodec"] = producer->get(property);
-            }
-            QString query;
-            query = QString("meta.media.%1.codec.pix_fmt").arg(vindex);
-            filePropertyMap["pix_fmt"] = producer->get(query.toUtf8().constData());
-            filePropertyMap["colorspace"] = producer->get("meta.media.colorspace");
-
-        } else kDebug() << " / / / / /WARNING, VIDEO CONTEXT IS NULL!!!!!!!!!!!!!!";
-        if (producer->get_int("audio_index") > -1) {
-            // Get the audio_index
-            int index = producer->get_int("audio_index");
-            snprintf(property, sizeof(property), "meta.media.%d.codec.long_name", index);
-            if (producer->get(property)) {
-                filePropertyMap["audiocodec"] = producer->get(property);
-            } else {
-                snprintf(property, sizeof(property), "meta.media.%d.codec.name", index);
-                if (producer->get(property))
-                    filePropertyMap["audiocodec"] = producer->get(property);
-            }
-        }
+        if (mltService == "avformat") {
+           if (vindex > -1) {
+               /*if (context->duration == AV_NOPTS_VALUE) {
+               kDebug() << " / / / / / / / /ERROR / / / CLIP HAS UNKNOWN DURATION";
+                   emit removeInvalidClip(clipId);
+               delete producer;
+               return;
+               }*/
+               // Get the video_index
+               int video_max = 0;
+               int default_audio = producer->get_int("audio_index");
+               int audio_max = 0;
+
+               int scan = producer->get_int("meta.media.progressive");
+               filePropertyMap["progressive"] = QString::number(scan);
+
+               // Find maximum stream index values
+               for (int ix = 0; ix < producer->get_int("meta.media.nb_streams"); ix++) {
+                   snprintf(property, sizeof(property), "meta.media.%d.stream.type", ix);
+                   QString type = producer->get(property);
+                   if (type == "video")
+                       video_max = ix;
+                   else if (type == "audio")
+                       audio_max = ix;
+               }
+               filePropertyMap["default_video"] = QString::number(vindex);
+               filePropertyMap["video_max"] = QString::number(video_max);
+               filePropertyMap["default_audio"] = QString::number(default_audio);
+               filePropertyMap["audio_max"] = QString::number(audio_max);
+
+               snprintf(property, sizeof(property), "meta.media.%d.codec.long_name", vindex);
+               if (producer->get(property)) {
+                   filePropertyMap["videocodec"] = producer->get(property);
+               } else {
+                   snprintf(property, sizeof(property), "meta.media.%d.codec.name", vindex);
+                   if (producer->get(property))
+                       filePropertyMap["videocodec"] = producer->get(property);
+               }
+               QString query;
+               query = QString("meta.media.%1.codec.pix_fmt").arg(vindex);
+               filePropertyMap["pix_fmt"] = producer->get(query.toUtf8().constData());
+               filePropertyMap["colorspace"] = producer->get("meta.media.colorspace");
+
+           } else kDebug() << " / / / / /WARNING, VIDEO CONTEXT IS NULL!!!!!!!!!!!!!!";
+           if (producer->get_int("audio_index") > -1) {
+               // Get the audio_index
+               int index = producer->get_int("audio_index");
+               snprintf(property, sizeof(property), "meta.media.%d.codec.long_name", index);
+               if (producer->get(property)) {
+                   filePropertyMap["audiocodec"] = producer->get(property);
+               } else {
+                   snprintf(property, sizeof(property), "meta.media.%d.codec.name", index);
+                   if (producer->get(property))
+                       filePropertyMap["audiocodec"] = producer->get(property);
+               }
+           }
+       }
 
         // metadata
         Mlt::Properties metadata;
@@ -1032,6 +1088,7 @@ void Render::initSceneList()
 int Render::setProducer(Mlt::Producer *producer, int position)
 {
     m_refreshTimer.stop();
+    requestedSeekPosition = SEEK_INACTIVE;
     QMutexLocker locker(&m_mutex);
     QString currentId;
     int consumerPosition = 0;
@@ -1040,8 +1097,10 @@ int Render::setProducer(Mlt::Producer *producer, int position)
         if (producer) delete producer;
         return -1;
     }
+    bool monitorIsActive = false;
     m_mltConsumer->set("refresh", 0);
     if (!m_mltConsumer->is_stopped()) {
+       monitorIsActive = true;
         m_mltConsumer->stop();
     }
     m_mltConsumer->purge();
@@ -1052,6 +1111,7 @@ int Render::setProducer(Mlt::Producer *producer, int position)
     if (!producer || !producer->is_valid()) {
         if (producer) delete producer;
         producer = m_blackClip->cut(0, 1);
+       producer->set("id", "black");
     }
 
     if (!producer || !producer->is_valid()) {
@@ -1062,9 +1122,38 @@ int Render::setProducer(Mlt::Producer *producer, int position)
     emit stopped();
     if (position == -1 && producer->get("id") == currentId) position = consumerPosition;
     if (position != -1) producer->seek(position);
+    m_fps = producer->get_fps();
     int volume = KdenliveSettings::volume();
+    if (producer->get_int("_audioclip") == 1) {
+       // This is an audio only clip, create fake multitrack to apply audiowave filter
+       Mlt::Tractor *tractor = new Mlt::Tractor();
+       Mlt::Producer *color= new Mlt::Producer(*m_mltProfile, "color:red");
+       color->set_in_and_out(0, producer->get_out());
+       tractor->set_track(*producer, 0);
+       tractor->set_track(*color, 1);
+
+       Mlt::Consumer xmlConsumer(*m_mltProfile, "xml:audio_hack");
+       if (!xmlConsumer.is_valid()) return -1;
+       xmlConsumer.set("terminate_on_pause", 1);
+       xmlConsumer.connect(tractor->parent());
+       xmlConsumer.run();
+       delete tractor;
+       delete color;
+       delete producer;
+       QString playlist = QString::fromUtf8(xmlConsumer.get("audio_hack"));
+       
+       Mlt::Producer *result = new Mlt::Producer(*m_mltProfile, "xml-string", playlist.toUtf8().constData());
+       Mlt::Filter *filter = new Mlt::Filter(*m_mltProfile, "audiowave");
+       result->attach(*filter);
+       tractor = new Mlt::Tractor();
+       tractor->set_track(*result, 0);
+       delete result;
+       delete filter;
+       producer = &(tractor->parent());
+       m_mltConsumer->connect(*producer);
+    }
+    
     producer->set("meta.volume", (double)volume / 100);
-    m_fps = producer->get_fps();
     blockSignals(false);
     m_mltConsumer->connect(*producer);
 
@@ -1075,8 +1164,17 @@ int Render::setProducer(Mlt::Producer *producer, int position)
     }
     m_mltProducer = producer;
     m_mltProducer->set_speed(0);
+    if (monitorIsActive) {
+       startConsumer();
+    }
     emit durationChanged(m_mltProducer->get_playtime());
-    if (m_mltConsumer->start() == -1) {
+    position = m_mltProducer->position();
+    emit rendererPosition(position);
+    return 0;
+}
+
+void Render::startConsumer() {
+  if (m_mltConsumer->is_stopped() && m_mltConsumer->start() == -1) {
         // ARGH CONSUMER BROKEN!!!!
         KMessageBox::error(qApp->activeWindow(), i18n("Could not create the video preview window.\nThere is something wrong with your Kdenlive install or your driver settings, please fix it."));
         if (m_showFrameEvent) delete m_showFrameEvent;
@@ -1085,18 +1183,14 @@ int Render::setProducer(Mlt::Producer *producer, int position)
         m_pauseEvent = NULL;
         delete m_mltConsumer;
         m_mltConsumer = NULL;
-        return -1;
+        return;
     }
-
-    position = m_mltProducer->position();
     m_mltConsumer->set("refresh", 1);
     // Make sure the first frame is displayed, otherwise if we change producer too fast
     // We can crash the avformat producer
     Mlt::Event *ev = m_mltConsumer->setup_wait_for("consumer-frame-show");
     m_mltConsumer->wait_for(ev);
     delete ev;
-    emit rendererPosition(position);
-    return 0;
 }
 
 int Render::setSceneList(QDomDocument list, int position)
@@ -1106,6 +1200,7 @@ int Render::setSceneList(QDomDocument list, int position)
 
 int Render::setSceneList(QString playlist, int position)
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     m_refreshTimer.stop();
     QMutexLocker locker(&m_mutex);
     if (m_winid == -1) return -1;
@@ -1178,7 +1273,6 @@ int Render::setSceneList(QString playlist, int position)
 
     blockSignals(true);
     m_locale = QLocale();
-
     m_mltProducer = new Mlt::Producer(*m_mltProfile, "xml-string", playlist.toUtf8().constData());
     if (!m_mltProducer || !m_mltProducer->is_valid()) {
         kDebug() << " WARNING - - - - -INVALID PLAYLIST: " << playlist.toUtf8().constData();
@@ -1412,6 +1506,7 @@ void Render::start()
 
 void Render::stop()
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     m_refreshTimer.stop();
     QMutexLocker locker(&m_mutex);
     if (m_mltProducer == NULL) return;
@@ -1428,6 +1523,7 @@ void Render::stop()
 
 void Render::stop(const GenTime & startTime)
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     m_refreshTimer.stop();
     QMutexLocker locker(&m_mutex);
     if (m_mltProducer) {
@@ -1440,63 +1536,62 @@ void Render::stop(const GenTime & startTime)
 
 void Render::pause()
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     if (!m_mltProducer || !m_mltConsumer)
         return;
-    if (m_mltProducer->get_speed() == 0.0) return;
-    if (m_isZoneMode) resetZoneMode();
-    m_mltConsumer->set("refresh", 0);
+    m_paused = true;
     m_mltProducer->set_speed(0.0);
-    m_mltConsumer->purge();
+    m_mltConsumer->set("refresh", 0);
+    if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
+    m_mltProducer->seek(m_mltConsumer->position());
 }
 
 void Render::switchPlay(bool play)
 {
     QMutexLocker locker(&m_mutex);
+    requestedSeekPosition = SEEK_INACTIVE;
     if (!m_mltProducer || !m_mltConsumer)
         return;
     if (m_isZoneMode) resetZoneMode();
-    if (play && m_mltProducer->get_speed() == 0.0) {
+    if (play && m_paused) {
         if (m_name == Kdenlive::clipMonitor && m_mltConsumer->position() == m_mltProducer->get_out()) m_mltProducer->seek(0);
+       m_paused = false;
         if (m_mltConsumer->is_stopped()) {
             m_mltConsumer->start();
         }
         m_mltProducer->set_speed(1.0);
         m_mltConsumer->set("refresh", 1);
     } else if (!play) {
+       m_paused = true;
         m_mltProducer->set_speed(0.0);
         m_mltConsumer->set("refresh", 0);
+       if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
         m_mltProducer->seek(m_mltConsumer->position());
-        if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
-        if (m_isZoneMode) resetZoneMode();
-
-        //emitConsumerStopped();
-        /*m_mltConsumer->set("refresh", 0);
-        m_mltConsumer->stop();
-        m_mltConsumer->purge();
-        m_mltProducer->set_speed(0.0);
-        //m_framePosition = m_mltProducer->position();
-        m_mltProducer->seek(m_framePosition);
-        emit rendererPosition(m_framePosition);*/
     }
 }
 
 void Render::play(double speed)
 {
-    if (!m_mltProducer)
-        return;
+    requestedSeekPosition = SEEK_INACTIVE;
+    if (!m_mltProducer) return;
+    double current_speed = m_mltProducer->get_speed(); 
+    if (current_speed == speed) return;
+    if (m_isZoneMode) resetZoneMode();
     // if (speed == 0.0) m_mltProducer->set("out", m_mltProducer->get_length() - 1);
     m_mltProducer->set_speed(speed);
-    /*if (speed == 0.0) {
-    m_mltProducer->seek((int) m_framePosition + 1);
-        m_mltConsumer->purge();
-    }*/
-    refresh();
+    if (m_mltConsumer->is_stopped() && speed != 0) {
+       m_mltConsumer->start();
+    }
+    m_paused = speed == 0;
+    if (current_speed == 0 && speed != 0) m_mltConsumer->set("refresh", 1);
 }
 
 void Render::play(const GenTime & startTime)
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     if (!m_mltProducer || !m_mltConsumer)
         return;
+    m_paused = false;
     m_mltProducer->seek((int)(startTime.frames(m_fps)));
     m_mltProducer->set_speed(1.0);
     m_mltConsumer->set("refresh", 1);
@@ -1504,6 +1599,7 @@ void Render::play(const GenTime & startTime)
 
 void Render::loopZone(const GenTime & startTime, const GenTime & stopTime)
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     if (!m_mltProducer || !m_mltConsumer)
         return;
     //m_mltProducer->set("eof", "loop");
@@ -1514,11 +1610,13 @@ void Render::loopZone(const GenTime & startTime, const GenTime & stopTime)
 
 void Render::playZone(const GenTime & startTime, const GenTime & stopTime)
 {
+    requestedSeekPosition = SEEK_INACTIVE;
     if (!m_mltProducer || !m_mltConsumer)
         return;
     if (!m_isZoneMode) m_originalOut = m_mltProducer->get_playtime() - 1;
     m_mltProducer->set("out", (int)(stopTime.frames(m_fps)));
     m_mltProducer->seek((int)(startTime.frames(m_fps)));
+    m_paused = false;
     m_mltProducer->set_speed(1.0);
     m_mltConsumer->set("refresh", 1);
     if (m_mltConsumer->is_stopped()) m_mltConsumer->start();
@@ -1539,10 +1637,7 @@ void Render::seekToFrame(int pos)
     if (!m_mltProducer)
         return;
     resetZoneMode();
-    m_mltProducer->seek(pos);
-    if (m_mltProducer->get_speed() == 0) {
-        refresh();
-    }
+    seek(pos);
 }
 
 void Render::seekToFrameDiff(int diff)
@@ -1550,13 +1645,19 @@ void Render::seekToFrameDiff(int diff)
     if (!m_mltProducer)
         return;
     resetZoneMode();
-    m_mltProducer->seek(m_mltProducer->position() + diff);
-    refresh();
+    if (requestedSeekPosition == SEEK_INACTIVE)
+       seek(m_mltProducer->position() + diff);
+    else seek(requestedSeekPosition + diff);
+}
+
+void Render::refreshIfActive()
+{
+    if (!m_mltConsumer->is_stopped() && m_mltProducer && m_paused) m_refreshTimer.start();
 }
 
 void Render::doRefresh()
 {
-    if (m_mltProducer && m_mltProducer->get_speed() == 0) m_refreshTimer.start();
+    if (m_mltProducer && m_paused) m_refreshTimer.start();
 }
 
 void Render::refresh()
@@ -1566,7 +1667,8 @@ void Render::refresh()
         return;
     if (m_mltConsumer) {
         if (m_mltConsumer->is_stopped()) m_mltConsumer->start();
-        m_mltConsumer->purge();
+       m_paused = false;
+        //m_mltConsumer->purge();
         m_mltConsumer->set("refresh", 1);
     }
 }
@@ -1590,6 +1692,12 @@ void Render::setDropFrames(bool show)
     }
 }
 
+bool Render::isPlaying() const
+{
+    if (!m_mltConsumer || m_mltConsumer->is_stopped()) return false;
+    return !m_paused;
+}
+
 double Render::playSpeed() const
 {
     if (m_mltProducer) return m_mltProducer->get_speed();
@@ -1598,7 +1706,8 @@ double Render::playSpeed() const
 
 GenTime Render::seekPosition() const
 {
-    if (m_mltProducer) return GenTime((int) m_mltProducer->position(), m_fps);
+    if (m_mltConsumer) return GenTime((int) m_mltConsumer->position(), m_fps);
+    //if (m_mltProducer) return GenTime((int) m_mltProducer->position(), m_fps);
     else return GenTime();
 }
 
@@ -1617,19 +1726,21 @@ void Render::emitFrameUpdated(Mlt::Frame& frame)
     const uchar* image = frame.get_image(format, width, height);
     QImage qimage(width, height, QImage::Format_ARGB32_Premultiplied);
     memcpy(qimage.scanLine(0), image, width * height * 4);
-
-    /*mlt_image_format format = mlt_image_rgb24;
-    int width = 0;
-    int height = 0;
-    const uchar* image = frame.get_image(format, width, height);
-    QImage qimage(width, height, QImage::Format_RGB888);
-    memcpy(qimage.bits(), image, width * height * 3);*/
     emit frameUpdated(qimage.rgbSwapped());
 }
 
 void Render::emitFrameNumber()
 {
-    if (m_mltConsumer) emit rendererPosition((int) m_mltConsumer->position());
+    int currentPos = m_mltConsumer->position();
+    if (currentPos == requestedSeekPosition) requestedSeekPosition = SEEK_INACTIVE;
+    emit rendererPosition(currentPos);
+    if (requestedSeekPosition != SEEK_INACTIVE) {
+       m_mltProducer->seek(requestedSeekPosition);
+       if (m_paused) {
+           refresh();
+       }
+       requestedSeekPosition = SEEK_INACTIVE;
+    }
 }
 
 void Render::emitConsumerStopped()
@@ -1637,6 +1748,7 @@ void Render::emitConsumerStopped()
     // This is used to know when the playing stopped
     if (m_mltProducer) {
         double pos = m_mltProducer->position();
+       m_paused = true;
         if (m_isLoopMode) play(m_loopStart);
         //else if (m_isZoneMode) resetZoneMode();
         emit rendererStopped((int) pos);
@@ -1677,17 +1789,32 @@ void Render::exportCurrentFrame(KUrl url, bool /*notify*/)
 
 void Render::showFrame(Mlt::Frame& frame)
 {
-    emit rendererPosition((int) m_mltConsumer->position());
-    mlt_image_format format = mlt_image_rgb24a;
-    int width = 0;
-    int height = 0;
-    const uchar* image = frame.get_image(format, width, height);
-    QImage qimage(width, height, QImage::Format_ARGB32_Premultiplied);
-    memcpy(qimage.scanLine(0), image, width * height * 4);
-    emit showImageSignal(qimage);
-    if (analyseAudio) showAudio(frame);
-    if (sendFrameForAnalysis && frame.get_frame()->convert_image) {
-        emit frameUpdated(qimage.rgbSwapped());
+    int currentPos = m_mltConsumer->position();
+    if (currentPos == requestedSeekPosition) requestedSeekPosition = SEEK_INACTIVE;
+    emit rendererPosition(currentPos);
+    if (frame.is_valid()) {
+       mlt_image_format format = mlt_image_rgb24a;
+       int width = 0;
+       int height = 0;
+       const uchar* image = frame.get_image(format, width, height);
+       QImage qimage(width, height, QImage::Format_ARGB32_Premultiplied);
+       memcpy(qimage.scanLine(0), image, width * height * 4);
+       emit showImageSignal(qimage);
+       if (analyseAudio) showAudio(frame);
+       if (sendFrameForAnalysis && frame.get_frame()->convert_image) {
+           emit frameUpdated(qimage.rgbSwapped());
+       }
+    }
+    emit checkSeeking();
+}
+
+void Render::slotCheckSeeking()
+{
+      if (requestedSeekPosition != SEEK_INACTIVE) {
+       m_mltProducer->seek(requestedSeekPosition);
+       if (m_paused) {
+           refresh();
+       }
     }
 }
 
@@ -1707,8 +1834,9 @@ void Render::showAudio(Mlt::Frame& frame)
         return;
     }
     mlt_audio_format audio_format = mlt_audio_s16;
-    int freq = 0;
-    int num_channels = 0;
+    //FIXME: should not be hardcoded..
+    int freq = 48000;
+    int num_channels = 2;
     int samples = 0;
     int16_t* data = (int16_t*)frame.get_audio(audio_format, freq, num_channels, samples);
 
@@ -1810,6 +1938,7 @@ Mlt::Producer *Render::checkSlowMotionProducer(Mlt::Producer *prod, QDomElement
 
 int Render::mltInsertClip(ItemInfo info, QDomElement element, Mlt::Producer *prod, bool overwrite, bool push)
 {
+    m_refreshTimer.stop();
     if (m_mltProducer == NULL) {
         kDebug() << "PLAYLIST NOT INITIALISED //////";
         return -1;
@@ -1874,12 +2003,12 @@ int Render::mltInsertClip(ItemInfo info, QDomElement element, Mlt::Producer *pro
 }
 
 
-void Render::mltCutClip(int track, GenTime position)
+bool Render::mltCutClip(int track, GenTime position)
 {
     Mlt::Service service(m_mltProducer->parent().get_service());
     if (service.type() != tractor_type) {
         kWarning() << "// TRACTOR PROBLEM";
-        return;
+        return false;
     }
 
     Mlt::Tractor tractor(service);
@@ -1902,7 +2031,7 @@ void Render::mltCutClip(int track, GenTime position)
     int clipIndex = trackPlaylist.get_clip_index_at(cutPos);
     if (trackPlaylist.is_blank(clipIndex)) {
         kDebug() << "// WARNING, TRYING TO CUT A BLANK";
-        return;
+        return false;
     }
     service.lock();
     int clipStart = trackPlaylist.clip_start(clipIndex);
@@ -1912,12 +2041,16 @@ void Render::mltCutClip(int track, GenTime position)
     // duplicate effects
     Mlt::Producer *original = trackPlaylist.get_clip_at(clipStart);
     Mlt::Producer *clip = trackPlaylist.get_clip_at(cutPos);
-
+    
     if (original == NULL || clip == NULL) {
         kDebug() << "// ERROR GRABBING CLIP AFTER SPLIT";
+       return false;
     }
+
     Mlt::Service clipService(original->get_service());
     Mlt::Service dupService(clip->get_service());
+
+
     delete original;
     delete clip;
     int ct = 0;
@@ -1939,7 +2072,7 @@ void Render::mltCutClip(int track, GenTime position)
         ct++;
         filter = clipService.filter(ct);
     }
-
+    return true;
     /* // Display playlist info
     kDebug()<<"////////////  AFTER";
     for (int i = 0; i < trackPlaylist.count(); i++) {
@@ -1955,15 +2088,13 @@ void Render::mltCutClip(int track, GenTime position)
 Mlt::Tractor *Render::lockService()
 {
     // we are going to replace some clips, purge consumer
-    QMutexLocker locker(&m_mutex);
     if (!m_mltProducer) return NULL;
+    QMutexLocker locker(&m_mutex);
     if (m_mltConsumer) {
-        if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
         m_mltConsumer->purge();
     }
     Mlt::Service service(m_mltProducer->parent().get_service());
     if (service.type() != tractor_type) {
-        kWarning() << "// TRACTOR PROBLEM";
         return NULL;
     }
     service.lock();
@@ -2037,6 +2168,7 @@ bool Render::mltUpdateClip(Mlt::Tractor *tractor, ItemInfo info, QDomElement ele
 
 bool Render::mltRemoveClip(int track, GenTime position)
 {
+    m_refreshTimer.stop();
     Mlt::Service service(m_mltProducer->parent().get_service());
     if (service.type() != tractor_type) {
         kWarning() << "// TRACTOR PROBLEM";
@@ -2870,7 +3002,7 @@ bool Render::mltEditEffect(int track, GenTime position, EffectsParameterList par
     }
 
     for (int j = 0; j < params.count(); j++) {
-        filter->set((params.at(j).name()).toUtf8().constData(), params.at(j).value().toUtf8().constData());
+        filter->set(params.at(j).name().toUtf8().constData(), params.at(j).value().toUtf8().constData());
     }
     
     for (int j = 0; j < filtersList.count(); j++) {
@@ -3288,10 +3420,10 @@ void Render::fixAudioMixing(Mlt::Tractor tractor)
     mlt_service_unlock(serv);
 }
 
-bool Render::mltResizeClipCrop(ItemInfo info, GenTime diff)
+bool Render::mltResizeClipCrop(ItemInfo info, GenTime newCropStart)
 {
     Mlt::Service service(m_mltProducer->parent().get_service());
-    int frameOffset = (int) diff.frames(m_fps);
+    int newCropFrame = (int) newCropStart.frames(m_fps);
     Mlt::Tractor tractor(service);
     Mlt::Producer trackProducer(tractor.track(info.track));
     Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
@@ -3310,7 +3442,13 @@ bool Render::mltResizeClipCrop(ItemInfo info, GenTime diff)
     int previousStart = clip->get_in();
     int previousOut = clip->get_out();
     delete clip;
-    trackPlaylist.resize_clip(clipIndex, previousStart + frameOffset, previousOut + frameOffset);
+    if (previousStart == newCropFrame) {
+       kDebug() << "////////  No ReSIZING Required";
+        service.unlock();
+        return true;
+    }
+    int frameOffset = newCropFrame - previousStart;
+    trackPlaylist.resize_clip(clipIndex, newCropFrame, previousOut + frameOffset);
     service.unlock();
     m_mltConsumer->set("refresh", 1);
     return true;
@@ -3508,7 +3646,7 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
             // check if we are moving a slowmotion producer
             QString serv = clipProducer->parent().get("mlt_service");
             QString currentid = clipProducer->parent().get("id");
-            if (serv == "framebuffer" || currentid.endsWith("_video")) {
+            if (serv == "framebuffer") {
                 clip = clipProducer;
             } else {
                 if (prod == NULL) {
@@ -4040,6 +4178,7 @@ const QList <Mlt::Producer *> Render::producersList()
         Mlt::Producer trackProducer(tt);
         delete tt;
         Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
+       if (!trackPlaylist.is_valid()) continue;
         int clipNb = trackPlaylist.count();
         for (int i = 0; i < clipNb; i++) {
             Mlt::Producer *c = trackPlaylist.get_clip(i);
@@ -4072,6 +4211,7 @@ void Render::fillSlowMotionProducers()
         Mlt::Producer trackProducer(tt);
         delete tt;
         Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
+       if (!trackPlaylist.is_valid()) continue;
         int clipNb = trackPlaylist.count();
         for (int i = 0; i < clipNb; i++) {
             Mlt::Producer *c = trackPlaylist.get_clip(i);
@@ -4397,6 +4537,7 @@ const QString Render::activeClipId()
 //static 
 bool Render::getBlackMagicDeviceList(KComboBox *devicelist)
 {
+    if (!KdenliveSettings::decklink_device_found()) return false;
     Mlt::Profile profile;
     Mlt::Producer bm(profile, "decklink");
     int found_devices = 0;
@@ -4404,6 +4545,7 @@ bool Render::getBlackMagicDeviceList(KComboBox *devicelist)
        bm.set("list_devices", 1);
        found_devices = bm.get_int("devices");
     }
+    else KdenliveSettings::setDecklink_device_found(false);
     if (found_devices <= 0) {
        devicelist->setEnabled(false);
        return false;
@@ -4418,6 +4560,7 @@ bool Render::getBlackMagicDeviceList(KComboBox *devicelist)
 
 bool Render::getBlackMagicOutputDeviceList(KComboBox *devicelist)
 {
+    if (!KdenliveSettings::decklink_device_found()) return false;
     Mlt::Profile profile;
     Mlt::Consumer bm(profile, "decklink");
     int found_devices = 0;
@@ -4425,6 +4568,7 @@ bool Render::getBlackMagicOutputDeviceList(KComboBox *devicelist)
        bm.set("list_devices", 1);
        found_devices = bm.get_int("devices");
     }
+    else KdenliveSettings::setDecklink_device_found(false);
     if (found_devices <= 0) {
        devicelist->setEnabled(false);
        return false;
@@ -4437,5 +4581,77 @@ bool Render::getBlackMagicOutputDeviceList(KComboBox *devicelist)
     return true;
 }
 
+void Render::slotMultiStreamProducerFound(const QString path, QList<int> audio_list, QList<int> video_list, stringMap data)
+{ 
+    if (KdenliveSettings::automultistreams()) {
+       for (int i = 1; i < video_list.count(); i++) {
+           int vindex = video_list.at(i);
+           int aindex = 0;
+           if (i <= audio_list.count() -1) {
+               aindex = audio_list.at(i);
+           }
+           data.insert("video_index", QString::number(vindex));
+           data.insert("audio_index", QString::number(aindex));
+           data.insert("bypassDuplicate", "1");
+           emit addClip(KUrl(path), data);
+       }
+       return;
+    }
+    
+    int width = 60.0 * m_mltProfile->dar();
+    int swidth = 60.0 * m_mltProfile->width() / m_mltProfile->height();
+    if (width % 2 == 1) width++;
+
+    KDialog dialog(qApp->activeWindow());
+    dialog.setCaption("Multi Stream Clip");
+    dialog.setButtons(KDialog::Ok | KDialog::Cancel);
+    dialog.setButtonText(KDialog::Ok, i18n("Import selected clips"));
+    QWidget *content = new QWidget(&dialog);
+    dialog.setMainWidget(content);
+    QVBoxLayout *vbox = new QVBoxLayout(content);
+    QLabel *lab1 = new QLabel(i18n("Additional streams for clip\n %1", path), content);
+    vbox->addWidget(lab1);
+    QList <QGroupBox*> groupList;
+    QList <QComboBox*> comboList;
+    // We start loading the list at 1, video index 0 should already be loaded
+    for (int j = 1; j < video_list.count(); j++) {
+       Mlt::Producer multiprod(* m_mltProfile, path.toUtf8().constData());
+       multiprod.set("video_index", video_list.at(j));
+       QImage thumb = KThumb::getFrame(&multiprod, 0, swidth, width, 60);
+       QGroupBox *streamFrame = new QGroupBox(i18n("Video stream %1", video_list.at(j)), content);
+       streamFrame->setProperty("vindex", video_list.at(j));
+       groupList << streamFrame;
+       streamFrame->setCheckable(true);
+       streamFrame->setChecked(true);
+       QVBoxLayout *vh = new QVBoxLayout( streamFrame );
+       QLabel *iconLabel = new QLabel(content);
+       iconLabel->setPixmap(QPixmap::fromImage(thumb));
+       vh->addWidget(iconLabel);
+       if (audio_list.count() > 1) {
+           QComboBox *cb = new QComboBox(content);
+           for (int k = 0; k < audio_list.count(); k++) {
+               cb->addItem(i18n("Audio stream %1", audio_list.at(k)), audio_list.at(k));
+           }
+           comboList << cb;
+           cb->setCurrentIndex(qMin(j, audio_list.count() - 1));
+           vh->addWidget(cb);
+       }
+       vbox->addWidget(streamFrame);
+    }
+    if (dialog.exec() == QDialog::Accepted) {
+       // import selected streams
+       for (int i = 0; i < groupList.count(); i++) {
+           if (groupList.at(i)->isChecked()) {
+               int vindex = groupList.at(i)->property("vindex").toInt();
+               int aindex = comboList.at(i)->itemData(comboList.at(i)->currentIndex()).toInt();
+               data.insert("video_index", QString::number(vindex));
+               data.insert("audio_index", QString::number(aindex));
+               data.insert("bypassDuplicate", "1");
+               emit addClip(KUrl(path), data);
+           }
+       }
+    }
+}
+
 #include "renderer.moc"