1 /***************************************************************************
2 krender.cpp - description
4 begin : Fri Nov 22 2002
5 copyright : (C) 2002 by Jason Wood
6 email : jasonwood@blueyonder.co.uk
7 copyright : (C) 2005 Lucio Flavio Correa
8 email : lucio.correa@gmail.com
9 copyright : (C) Marco Gittler
10 email : g.marco@freenet.de
11 copyright : (C) 2006 Jean-Baptiste Mardelle
14 ***************************************************************************/
16 /***************************************************************************
18 * This program is free software; you can redistribute it and/or modify *
19 * it under the terms of the GNU General Public License as published by *
20 * the Free Software Foundation; either version 2 of the License, or *
21 * (at your option) any later version. *
23 ***************************************************************************/
25 // ffmpeg Header files
28 #include <ffmpeg/avformat.h>
32 #include <QApplication>
36 #include <KStandardDirs>
37 #include <KMessageBox>
41 #include "kdenlivesettings.h"
43 static void consumer_frame_show(mlt_consumer, Render * self, mlt_frame frame_ptr)
45 // detect if the producer has finished playing. Is there a better way to do it ?
46 //if (self->isBlocked) return;
47 if (mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame_ptr ), "_speed" ) == 0.0) {
48 self->emitConsumerStopped();
52 self->emitFrameNumber(mlt_frame_get_position(frame_ptr));
56 Render::Render(const QString & rendererName, int winid, int extid, QWidget *parent):QObject(parent), m_name(rendererName), m_mltConsumer(NULL), m_mltProducer(NULL), m_mltTextProducer(NULL), m_sceneList(QDomDocument()), m_winid(-1), m_framePosition(0), m_generateScenelist(false), m_isBlocked(true)
58 kDebug()<<"////////// USING PROFILE: "<<qstrdup(KdenliveSettings::current_profile().toUtf8());
59 m_mltProfile = new Mlt::Profile((char*) qstrdup(KdenliveSettings::current_profile().toUtf8()));
60 refreshTimer = new QTimer( this );
61 connect( refreshTimer, SIGNAL(timeout()), this, SLOT( refresh()) );
63 m_connectTimer = new QTimer( this );
64 connect( m_connectTimer, SIGNAL(timeout()), this, SLOT(connectPlaylist()) );
66 if (rendererName == "project") m_monitorId = 10000;
67 else m_monitorId = 10001;
68 osdTimer = new QTimer( this );
69 connect( osdTimer, SIGNAL(timeout()), this, SLOT(slotOsdTimeout()) );
71 m_osdProfile = KStandardDirs::locate("data", "kdenlive/profiles/metadata.properties");
72 //if (rendererName == "clip")
74 //Mlt::Consumer *consumer = new Mlt::Consumer( profile , "sdl_preview");
75 m_mltConsumer = new Mlt::Consumer( *m_mltProfile , "sdl_preview");//consumer;
76 m_mltConsumer->set("resize", 1);
77 m_mltConsumer->set("window_id", winid);
78 m_mltConsumer->set("terminate_on_pause", 1);
79 m_externalwinid = extid;
81 m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
82 Mlt::Producer *producer = new Mlt::Producer( *m_mltProfile , "westley-xml", "<westley><playlist><producer mlt_service=\"colour\" colour=\"blue\" /></playlist></westley>");
83 m_mltProducer = producer;
84 m_mltConsumer->connect(*m_mltProducer);
85 m_mltProducer->set_speed(0.0);
86 //m_mltConsumer->start();
90 /*m_osdInfo = new Mlt::Filter("data_show");
91 char *tmp = decodedString(m_osdProfile);
92 m_osdInfo->set("resource", tmp);
94 // Does it do anything usefull? I mean, RenderThread doesn't do anything useful at the moment
95 // (except being cpu hungry :)
97 /* if(!s_renderThread) {
98 s_renderThread = new RenderThread;
99 s_renderThread->start();
109 void Render::closeMlt()
111 delete m_connectTimer;
115 delete m_mltConsumer;
117 delete m_mltProducer;
123 int Render::resetRendererProfile(char * profile)
125 if (!m_mltConsumer) return 0;
126 if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
127 m_mltConsumer->set("refresh", 0);
128 //m_mltConsumer->set("profile", profile);
129 kDebug()<<" + + RESET CONSUMER WITH PROFILE: "<<profile;
130 mlt_properties properties = MLT_CONSUMER_PROPERTIES( m_mltConsumer->get_consumer() );
131 // apply_profile_properties( m_profile, m_mltConsumer->get_consumer(), properties );
136 /** Wraps the VEML command of the same name; Seeks the renderer clip to the given time. */
137 void Render::seek(GenTime time)
139 sendSeekCommand(time);
140 //emit positionChanged(time);
144 char *Render::decodedString(QString str)
146 /*QCString fn = QFile::encodeName(str);
147 char *t = new char[fn.length() + 1];
148 strcpy(t, (const char *)fn);*/
150 return qstrdup( str.toUtf8().data() ); //toLatin1
154 QPixmap Render::frameThumbnail(Mlt::Frame *frame, int width, int height, bool border)
156 QPixmap pix(width, height);
158 mlt_image_format format = mlt_image_rgb24a;
159 uint8_t *thumb = frame->get_image(format, width, height);
160 QImage image(thumb, width, height, QImage::Format_ARGB32);
162 if (!image.isNull()) {
163 pix = pix.fromImage(image);
165 QPainter painter(&pix);
166 painter.drawRect(0, 0, width - 1, height - 1);
169 else pix.fill(Qt::black);
174 QPixmap Render::extractFrame(int frame_position, int width, int height)
176 QPixmap pix(width, height);
177 if (!m_mltProducer) {
181 Mlt::Producer *mlt_producer = m_mltProducer->cut(frame_position, frame_position + 1);
182 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
183 m_convert.set("forced", mlt_image_rgb24a);
184 mlt_producer->attach(m_convert);
185 Mlt::Frame *frame = mlt_producer->get_frame();
188 pix = frameThumbnail(frame, width, height);
191 else pix.fill(Qt::black);
196 QPixmap Render::getImageThumbnail(KUrl url, int width, int height)
200 if (url.fileName().startsWith(".all.")) { // check for slideshow
201 QString fileType = url.fileName().right(3);
203 QStringList::Iterator it;
205 QDir dir( url.directory() );
206 more = dir.entryList( QDir::Files );
208 for ( it = more.begin() ; it != more.end() ; ++it ) {
209 if ((*it).endsWith("."+fileType, Qt::CaseInsensitive)) {
210 im.load(url.directory() + "/" + *it);
215 else im.load(url.path());
216 //pixmap = im.scaled(width, height);
221 QPixmap Render::getVideoThumbnail(char *profile, QString file, int frame_position, int width, int height)
223 QPixmap pix(width, height);
224 char *tmp = decodedString(file);
225 Mlt::Profile *prof = new Mlt::Profile(profile);
226 Mlt::Producer m_producer(*prof, tmp);
228 if (m_producer.is_blank()) {
233 Mlt::Filter m_convert(*prof, "avcolour_space");
234 m_convert.set("forced", mlt_image_rgb24a);
235 m_producer.attach(m_convert);
236 m_producer.seek(frame_position);
237 Mlt::Frame * frame = m_producer.get_frame();
239 pix = frameThumbnail(frame, width, height, true);
242 if (prof) delete prof;
247 void Render::getImage(KUrl url, int frame_position, QPoint size)
249 char *tmp = decodedString(url.path());
250 Mlt::Producer m_producer(tmp);
252 if (m_producer.is_blank()) {
255 Mlt::Filter m_convert("avcolour_space");
256 m_convert.set("forced", mlt_image_rgb24a);
257 m_producer.attach(m_convert);
258 m_producer.seek(frame_position);
260 Mlt::Frame * frame = m_producer.get_frame();
263 QPixmap pix = frameThumbnail(frame, size.x(), size.y(), true);
265 emit replyGetImage(url, frame_position, pix, size.x(), size.y());
269 /* Create thumbnail for color */
270 /*void Render::getImage(int id, QString color, QPoint size)
272 QPixmap pixmap(size.x() - 2, size.y() - 2);
273 color = color.replace(0, 2, "#");
274 color = color.left(7);
275 pixmap.fill(QColor(color));
276 QPixmap result(size.x(), size.y());
277 result.fill(Qt::black);
278 //copyBlt(&result, 1, 1, &pixmap, 0, 0, size.x() - 2, size.y() - 2);
279 emit replyGetImage(id, result, size.x(), size.y());
283 /* Create thumbnail for image */
284 /*void Render::getImage(KUrl url, QPoint size)
288 if (url.fileName().startsWith(".all.")) { // check for slideshow
289 QString fileType = url.fileName().right(3);
291 QStringList::Iterator it;
293 QDir dir( url.directory() );
294 more = dir.entryList( QDir::Files );
295 for ( it = more.begin() ; it != more.end() ; ++it ) {
296 if ((*it).endsWith("."+fileType, Qt::CaseInsensitive)) {
297 if (!im.load(url.directory() + "/" + *it))
298 kDebug()<<"++ ERROR LOADIN IMAGE: "<<url.directory() + "/" + *it;
303 else im.load(url.path());
305 //pixmap = im.smoothScale(size.x() - 2, size.y() - 2);
306 QPixmap result(size.x(), size.y());
307 result.fill(Qt::black);
308 //copyBlt(&result, 1, 1, &pixmap, 0, 0, size.x() - 2, size.y() - 2);
309 emit replyGetImage(url, 1, result, size.x(), size.y());
313 double Render::consumerRatio() const
315 if (!m_mltConsumer) return 1.0;
316 return (m_mltConsumer->get_double("aspect_ratio_num")/m_mltConsumer->get_double("aspect_ratio_den"));
320 int Render::getLength()
325 // kDebug()<<"////// LENGTH: "<<mlt_producer_get_playtime(m_mltProducer->get_producer());
326 return mlt_producer_get_playtime(m_mltProducer->get_producer());
331 bool Render::isValid(KUrl url)
333 char *tmp = decodedString(url.path());
334 Mlt::Producer producer(*m_mltProfile, tmp);
336 if (producer.is_blank())
342 void Render::getFileProperties(const QDomElement &xml, int clipId)
345 int width = height * 16/9.0; //KdenliveSettings::displayratio();
347 QDomElement westley = doc.createElement("westley");
348 doc.appendChild(westley);
349 westley.appendChild(doc.importNode(xml, true));
350 kDebug()<<"////////////\n"<<doc.toString()<<"////////////////\n";
351 char *tmp = decodedString(doc.toString());
353 Mlt::Producer producer(*m_mltProfile, "westley-xml", tmp);
356 if (producer.is_blank()) {
359 int frameNumber = xml.attribute( "frame_thumbnail", 0).toInt();
360 if ( frameNumber != 0 ) producer.seek( frameNumber );
361 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer.get_producer() );
363 QMap < QString, QString > filePropertyMap;
364 QMap < QString, QString > metadataPropertyMap;
366 KUrl url = xml.attribute("resource", QString::null);
367 filePropertyMap["filename"] = url.path();
368 filePropertyMap["duration"] = QString::number(producer.get_playtime());
369 kDebug()<<"/////// PRODUCER: "<<url.path()<<" IS: "<<producer.get_playtime();
370 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
371 m_convert.set("forced", mlt_image_rgb24a);
372 producer.attach(m_convert);
373 Mlt::Frame * frame = producer.get_frame();
375 if (frame->is_valid()) {
376 filePropertyMap["fps"] =
377 QString::number(mlt_producer_get_fps( producer.get_producer() ));
378 filePropertyMap["width"] =
379 QString::number(frame->get_int("width"));
380 filePropertyMap["height"] =
381 QString::number(frame->get_int("height"));
382 filePropertyMap["frequency"] =
383 QString::number(frame->get_int("frequency"));
384 filePropertyMap["channels"] =
385 QString::number(frame->get_int("channels"));
387 // Retrieve audio / video codec name
389 // Fetch the video_context
390 #if 0 //until the reason for the chrashs is found
391 AVFormatContext *context = (AVFormatContext *) mlt_properties_get_data( properties, "video_context", NULL );
392 if (context != NULL) {
393 // Get the video_index
394 int index = mlt_properties_get_int( properties, "video_index" );
395 if (context->streams && context->streams [index] && context->streams[ index ]->codec && context->streams[ index ]->codec->codec->name )
396 filePropertyMap["videocodec"] = context->streams[ index ]->codec->codec->name;
398 context = (AVFormatContext *) mlt_properties_get_data( properties, "audio_context", NULL );
399 if (context != NULL) {
400 // Get the video_index
401 int index = mlt_properties_get_int( properties, "audio_index" );
402 if (context->streams && context->streams [index] && context->streams[ index ]->codec && context->streams[ index ]->codec->codec->name )
403 filePropertyMap["audiocodec"] = context->streams[ index ]->codec->codec->name;
410 mlt_properties metadata = mlt_properties_new( );
411 mlt_properties_pass( metadata, properties, "meta.attr." );
412 int count = mlt_properties_count( metadata );
413 for ( int i = 0; i < count; i ++ )
415 QString name = mlt_properties_get_name( metadata, i );
416 QString value = QString::fromUtf8(mlt_properties_get_value( metadata, i ));
417 if (name.endsWith("markup") && !value.isEmpty())
418 metadataPropertyMap[ name.section(".", 0, -2) ] = value;
421 if (frame->get_int("test_image") == 0) {
422 if (url.path().endsWith(".westley") || url.path().endsWith(".kdenlive")) {
423 filePropertyMap["type"] = "playlist";
424 metadataPropertyMap["comment"] = QString::fromUtf8(mlt_properties_get( MLT_SERVICE_PROPERTIES( producer.get_service() ), "title"));
426 else if (frame->get_int("test_audio") == 0)
427 filePropertyMap["type"] = "av";
429 filePropertyMap["type"] = "video";
431 // Generate thumbnail for this frame
432 QPixmap pixmap = frameThumbnail(frame, width, height, true);
434 emit replyGetImage(clipId, 0, pixmap, width, height);
436 } else if (frame->get_int("test_audio") == 0) {
437 QPixmap pixmap(KStandardDirs::locate("appdata", "graphics/music.png"));
438 emit replyGetImage(clipId, 0, pixmap, width, height);
439 filePropertyMap["type"] = "audio";
442 emit replyGetFileProperties(clipId, filePropertyMap, metadataPropertyMap);
443 kDebug()<<"REquested fuile info for: "<<url.path();
447 QDomDocument Render::sceneList() const
452 /** Create the producer from the Westley QDomDocument */
453 void Render::initSceneList()
455 kDebug()<<"-------- INIT SCENE LIST ------_";
457 QDomElement westley = doc.createElement("westley");
458 doc.appendChild(westley);
459 QDomElement prod = doc.createElement("producer");
460 prod.setAttribute("resource", "colour");
461 prod.setAttribute("colour", "red");
462 prod.setAttribute("id", "black");
463 prod.setAttribute("in", "0");
464 prod.setAttribute("out", "0");
466 QDomElement tractor = doc.createElement("tractor");
467 QDomElement multitrack = doc.createElement("multitrack");
469 QDomElement playlist1 = doc.createElement("playlist");
470 playlist1.appendChild(prod);
471 multitrack.appendChild(playlist1);
472 QDomElement playlist2 = doc.createElement("playlist");
473 multitrack.appendChild(playlist2);
474 QDomElement playlist3 = doc.createElement("playlist");
475 multitrack.appendChild(playlist3);
476 QDomElement playlist4 = doc.createElement("playlist");
477 multitrack.appendChild(playlist4);
478 QDomElement playlist5 = doc.createElement("playlist");
479 multitrack.appendChild(playlist5);
480 tractor.appendChild(multitrack);
481 westley.appendChild(tractor);
482 // kDebug()<<doc.toString();
484 QString tmp = QString("<westley><producer resource=\"colour\" colour=\"red\" id=\"red\" /><tractor><multitrack><playlist></playlist><playlist></playlist><playlist /><playlist /><playlist></playlist></multitrack></tractor></westley>");*/
485 setSceneList(doc, 0);
489 /** Create the producer from the Westley QDomDocument */
490 void Render::setSceneList(QDomDocument list, int position)
492 if (m_winid == -1) return;
493 m_generateScenelist = true;
495 kWarning()<<"////// RENDER, SET SCENE LIST";
499 if (!clip.is_valid()) {
500 kWarning()<<" ++++ WARNING, UNABLE TO CREATE MLT PRODUCER";
501 m_generateScenelist = false;
506 m_mltConsumer->set("refresh", 0);
507 if (!m_mltConsumer->is_stopped()) {
508 //emitConsumerStopped();
509 m_mltConsumer->stop();
514 m_mltProducer->set_speed(0.0);
516 //if (KdenliveSettings::osdtimecode() && m_osdInfo) m_mltProducer->detach(*m_osdInfo);
518 delete m_mltProducer;
519 m_mltProducer = NULL;
523 char *tmp = decodedString(list.toString());
524 //Mlt::Producer clip(profile, "westley-xml", tmp);
526 m_mltProducer = new Mlt::Producer(*m_mltProfile, "westley-xml", tmp);
528 //m_mltProducer->optimise();
529 if (position != 0) m_mltProducer->seek(position);
531 /*if (KdenliveSettings::osdtimecode()) {
532 // Attach filter for on screen display of timecode
534 QString attr = "attr_check";
535 mlt_filter filter = mlt_factory_filter( "data_feed", (char*) attr.ascii() );
536 mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik", 1 );
537 mlt_producer_attach( m_mltProducer->get_producer(), filter );
538 mlt_filter_close( filter );
540 m_osdInfo = new Mlt::Filter("data_show");
541 tmp = decodedString(m_osdProfile);
542 m_osdInfo->set("resource", tmp);
544 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
545 mlt_properties_set_int( properties, "meta.attr.timecode", 1);
546 mlt_properties_set( properties, "meta.attr.timecode.markup", "#timecode#");
547 m_osdInfo->set("dynamic", "1");
549 if (m_mltProducer->attach(*m_osdInfo) == 1) kDebug()<<"////// error attaching filter";
551 m_osdInfo->set("dynamic", "0");
554 m_fps = m_mltProducer->get_fps();
556 emit durationChanged(m_mltProducer->get_playtime());
557 //m_connectTimer->start( 500 );
559 m_generateScenelist = false;
563 const double Render::fps() const
568 void Render::connectPlaylist() {
570 m_connectTimer->stop();
571 m_mltConsumer->connect(*m_mltProducer);
572 m_mltProducer->set_speed(0.0);
573 m_mltConsumer->start();
576 if (m_mltConsumer->start() == -1) {
577 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."));
578 m_mltConsumer = NULL;
585 void Render::refreshDisplay() {
587 if (!m_mltProducer) return;
588 m_mltConsumer->set("refresh", 0);
590 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
591 /*if (KdenliveSettings::osdtimecode()) {
592 mlt_properties_set_int( properties, "meta.attr.timecode", 1);
593 mlt_properties_set( properties, "meta.attr.timecode.markup", "#timecode#");
594 m_osdInfo->set("dynamic", "1");
595 m_mltProducer->attach(*m_osdInfo);
598 m_mltProducer->detach(*m_osdInfo);
599 m_osdInfo->set("dynamic", "0");
604 void Render::setVolume(double volume)
606 if (!m_mltConsumer || !m_mltProducer) return;
608 m_mltConsumer->set("refresh", 0);
609 // Attach filter for on screen display of timecode
610 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
611 mlt_properties_set_double( properties, "meta.volume", volume );
612 mlt_properties_set_int( properties, "meta.attr.osdvolume", 1);
613 mlt_properties_set( properties, "meta.attr.osdvolume.markup", i18n("Volume: ") + QString::number(volume * 100));
615 if (!KdenliveSettings::osdtimecode()) {
616 m_mltProducer->detach(*m_osdInfo);
617 mlt_properties_set_int( properties, "meta.attr.timecode", 0);
618 if (m_mltProducer->attach(*m_osdInfo) == 1) kDebug()<<"////// error attaching filter";
621 osdTimer->setSingleShot(2500 );
624 void Render::slotOsdTimeout()
626 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
627 mlt_properties_set_int(properties, "meta.attr.osdvolume", 0);
628 mlt_properties_set(properties, "meta.attr.osdvolume.markup", NULL);
629 //if (!KdenliveSettings::osdtimecode()) m_mltProducer->detach(*m_osdInfo);
635 kDebug()<<"----- STARTING MONITOR: "<<m_name;
637 kDebug()<<"----- BROKEN MONITOR: "<<m_name<<", RESTART";
641 if (m_mltConsumer->is_stopped()) {
642 kDebug()<<"----- MONITOR: "<<m_name<<" WAS STOPPED";
643 if (m_mltConsumer->start() == -1) {
644 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."));
645 m_mltConsumer = NULL;
649 kDebug()<<"----- MONITOR: "<<m_name<<" REFRESH";
659 m_mltConsumer->set("refresh", 0);
660 if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
664 //if (KdenliveSettings::osdtimecode() && m_osdInfo) m_mltProducer->detach(*m_osdInfo);
665 m_mltProducer->set_speed(0.0);
666 delete m_mltProducer;
667 m_mltProducer = NULL;
674 if (m_mltConsumer && !m_mltConsumer->is_stopped()) {
675 kDebug()<<"///////////// RENDER STOPPED: "<<m_name;
676 m_mltConsumer->set("refresh", 0);
677 m_mltConsumer->stop();
679 kDebug()<<"///////////// RENDER STOP2-------";
683 m_mltProducer->set_speed(0.0);
684 m_mltProducer->set("out", m_mltProducer->get_length() - 1);
686 kDebug()<<"///////////// RENDER STOP3-------";
689 void Render::stop(const GenTime & startTime)
691 kDebug()<<"///////////// RENDER STOP-------2";
693 m_mltProducer->set_speed(0.0);
694 m_mltProducer->seek((int) startTime.frames(m_fps));
696 m_mltConsumer->purge();
699 void Render::switchPlay()
703 if (m_mltProducer->get_speed() == 0.0) m_mltProducer->set_speed(1.0);
705 m_mltProducer->set_speed(0.0);
706 kDebug()<<"// POSITON: "<<m_framePosition;
707 m_mltProducer->seek((int) m_framePosition);
710 /*if (speed == 0.0) {
711 m_mltProducer->seek((int) m_framePosition + 1);
712 m_mltConsumer->purge();
717 void Render::play(double speed)
721 if (speed == 0.0) m_mltProducer->set("out", m_mltProducer->get_length() - 1);
722 m_mltProducer->set_speed(speed);
723 /*if (speed == 0.0) {
724 m_mltProducer->seek((int) m_framePosition + 1);
725 m_mltConsumer->purge();
730 void Render::play(double speed, const GenTime & startTime)
732 kDebug()<<"///////////// RENDER PLAY2-------"<<speed;
735 //m_mltProducer->set("out", m_mltProducer->get_length() - 1);
736 //if (speed == 0.0) m_mltConsumer->set("refresh", 0);
737 m_mltProducer->set_speed(speed);
738 m_mltProducer->seek((int) (startTime.frames(m_fps)));
739 //m_mltConsumer->purge();
743 void Render::play(double speed, const GenTime & startTime,
744 const GenTime & stopTime)
746 kDebug()<<"///////////// RENDER PLAY3-------"<<speed;
749 m_mltProducer->set("out", stopTime.frames(m_fps));
750 m_mltProducer->seek((int) (startTime.frames(m_fps)));
751 m_mltConsumer->purge();
752 m_mltProducer->set_speed(speed);
756 void Render::render(const KUrl & url)
759 QDomElement elem = doc.createElement("render");
760 elem.setAttribute("filename", url.path());
761 doc.appendChild(elem);
764 void Render::sendSeekCommand(GenTime time)
768 //kDebug()<<"////////// KDENLIVE SEEK: "<<(int) (time.frames(m_fps));
769 m_mltProducer->seek((int) (time.frames(m_fps)));
773 void Render::seekToFrame(int pos)
777 //kDebug()<<"////////// KDENLIVE SEEK: "<<(int) (time.frames(m_fps));
778 m_mltProducer->seek(pos);
782 void Render::askForRefresh()
784 // Use a Timer so that we don't refresh too much
785 refreshTimer->start( 200 );
788 void Render::doRefresh()
790 // Use a Timer so that we don't refresh too much
794 void Render::refresh()
796 if (!m_mltProducer || m_isBlocked)
798 refreshTimer->stop();
800 m_mltConsumer->set("refresh", 1);
804 /** Sets the description of this renderer to desc. */
805 void Render::setDescription(const QString & description)
807 m_description = description;
810 /** Returns the description of this renderer */
811 QString Render::description()
813 return m_description;
817 double Render::playSpeed()
819 if (m_mltProducer) return m_mltProducer->get_speed();
823 const GenTime & Render::seekPosition() const
825 if (m_mltProducer) return GenTime((int) m_mltProducer->position(), m_fps);
826 else return GenTime();
830 const QString & Render::rendererName() const
836 void Render::emitFrameNumber(double position)
838 //kDebug()<<"// POSITON: "<<m_framePosition;
839 if (m_generateScenelist) return;
840 m_framePosition = position;
841 emit rendererPosition((int) position);
842 //if (qApp->activeWindow()) QApplication::postEvent(qApp->activeWindow(), new PositionChangeEvent( GenTime((int) position, m_fps), m_monitorId));
845 void Render::emitConsumerStopped()
847 // This is used to know when the playing stopped
848 if (m_mltProducer && !m_generateScenelist) {
849 double pos = m_mltProducer->position();
850 emit rendererStopped((int) pos);
851 //if (qApp->activeWindow()) QApplication::postEvent(qApp->activeWindow(), new PositionChangeEvent(GenTime((int) pos, m_fps), m_monitorId + 100));
852 //new QCustomEvent(10002));
858 void Render::exportFileToFirewire(QString srcFileName, int port, GenTime startTime, GenTime endTime)
860 KMessageBox::sorry(0, i18n("Firewire is not enabled on your system.\n Please install Libiec61883 and recompile Kdenlive"));
864 void Render::exportCurrentFrame(KUrl url, bool notify) {
865 if (!m_mltProducer) {
866 KMessageBox::sorry(qApp->activeWindow(), i18n("There is no clip, cannot extract frame."));
870 int height = 1080;//KdenliveSettings::defaultheight();
871 int width = 1940; //KdenliveSettings::displaywidth();
873 QPixmap pix(width, height);
874 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
875 m_convert.set("forced", mlt_image_rgb24a);
876 m_mltProducer->attach(m_convert);
877 Mlt::Frame * frame = m_mltProducer->get_frame();
878 m_mltProducer->detach(m_convert);
880 pix = frameThumbnail(frame, width, height);
883 pix.save(url.path(), "PNG");
884 //if (notify) QApplication::postEvent(qApp->activeWindow(), new UrlEvent(url, 10003));
887 /** MLT PLAYLIST DIRECT MANIPULATON **/
890 void Render::mltCheckLength()
892 //kDebug()<<"checking track length: "<<track<<"..........";
893 Mlt::Service service(m_mltProducer->get_service());
894 Mlt::Tractor tractor(service);
896 int trackNb = tractor.count( );
898 double trackDuration;
900 Mlt::Producer trackProducer(tractor.track(0));
901 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
902 duration = Mlt::Producer(trackPlaylist.get_producer()).get_playtime() - 1;
903 m_mltProducer->set("out", duration);
904 emit durationChanged(duration);
907 while (trackNb > 1) {
908 Mlt::Producer trackProducer(tractor.track(trackNb - 1));
909 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
910 trackDuration = Mlt::Producer(trackPlaylist.get_producer()).get_playtime() - 1;
912 kDebug()<<" / / /DURATON FOR TRACK "<<trackNb - 1<<" = "<<trackDuration;
913 if (trackDuration > duration) duration = trackDuration;
917 Mlt::Producer blackTrackProducer(tractor.track(0));
918 Mlt::Playlist blackTrackPlaylist(( mlt_playlist ) blackTrackProducer.get_service());
919 double blackDuration = Mlt::Producer(blackTrackPlaylist.get_producer()).get_playtime() - 1;
920 kDebug()<<" / / /DURATON FOR TRACK 0 = "<<blackDuration;
921 if (blackDuration != duration) {
922 blackTrackPlaylist.remove_region( 0, blackDuration );
926 QDomElement black = doc.createElement("producer");
927 black.setAttribute("mlt_service", "colour");
928 black.setAttribute("colour", "black");
929 black.setAttribute("in", "0");
930 black.setAttribute("out", "13999");
931 while (dur > 14000) { // <producer mlt_service=\"colour\" colour=\"black\" in=\"0\" out=\"13999\" />
932 mltInsertClip(0, GenTime(i * 14000, m_fps), black);
936 black.setAttribute("out", QString::number(dur));
937 mltInsertClip(0, GenTime(), black);
939 m_mltProducer->set("out", duration);
940 emit durationChanged(duration);
945 void Render::mltInsertClip(int track, GenTime position, QDomElement element)
947 if (!m_mltProducer) {
948 kDebug()<<"PLAYLIST NOT INITIALISED //////";
951 Mlt::Producer parentProd(m_mltProducer->parent());
952 if (parentProd.get_producer() == NULL) {
953 kDebug()<<"PLAYLIST BROKEN, CANNOT INSERT CLIP //////";
957 Mlt::Service service(parentProd.get_service());
958 Mlt::Tractor tractor(service);
961 doc.appendChild(doc.importNode(element, true));
962 QString resource = doc.toString();
963 kDebug()<<"/////// ADDING CLIP TMLNE: "<<resource<<" ON TRACK: "<<track;
964 Mlt::Producer trackProducer(tractor.track(track));
965 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
966 char *tmp = decodedString(resource);
967 Mlt::Producer clip(*m_mltProfile, "westley-xml", tmp);
968 //clip.set_in_and_out(in.frames(m_fps), out.frames(m_fps));
971 trackPlaylist.insert_at(position.frames(m_fps), clip, 1);
972 tractor.multitrack()->refresh();
974 if (track != 0) mltCheckLength();
978 void Render::mltCutClip(int track, GenTime position)
981 Mlt::Service service(m_mltProducer->parent().get_service());
982 Mlt::Tractor tractor(service);
983 Mlt::Producer trackProducer(tractor.track(track));
984 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
985 trackPlaylist.split_at(position.frames(m_fps));
986 trackPlaylist.consolidate_blanks(0);
987 kDebug()<<"/ / / /CUTTING CLIP AT: "<<position.frames(m_fps);
992 void Render::mltRemoveClip(int track, GenTime position)
995 Mlt::Service service(m_mltProducer->parent().get_service());
996 Mlt::Tractor tractor(service);
997 Mlt::Producer trackProducer(tractor.track(track));
998 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
999 int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
1000 //trackPlaylist.remove(clipIndex);
1001 trackPlaylist.replace_with_blank(clipIndex);
1002 trackPlaylist.consolidate_blanks(0);
1003 if (track != 0) mltCheckLength();
1004 //emit durationChanged();
1005 m_isBlocked = false;
1008 void Render::mltRemoveEffect(int track, GenTime position, QString index, bool doRefresh)
1011 Mlt::Service service(m_mltProducer->parent().get_service());
1013 Mlt::Tractor tractor(service);
1014 Mlt::Producer trackProducer(tractor.track(track));
1015 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1016 //int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
1017 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
1019 kDebug()<<" / / / CANNOT FIND CLIP TO REMOVE EFFECT";
1023 Mlt::Service clipService(clip->get_service());
1025 // if (tag.startsWith("ladspa")) tag = "ladspa";
1028 Mlt::Filter *filter = clipService.filter( ct );
1030 if (index == "-1" || filter->get("kdenlive_ix") == index) {// && filter->get("kdenlive_id") == id) {
1031 clipService.detach(*filter);
1032 kDebug()<<" / / / DLEETED EFFECT: "<<ct;
1035 filter = clipService.filter( ct );
1037 m_isBlocked = false;
1038 if (doRefresh) refresh();
1042 void Render::mltAddEffect(int track, GenTime position, QMap <QString, QString> args, bool doRefresh)
1044 Mlt::Service service(m_mltProducer->parent().get_service());
1045 Mlt::Tractor tractor(service);
1046 Mlt::Producer trackProducer(tractor.track(track));
1047 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1049 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
1052 kDebug()<<"********** CANNOT FIND CLIP TO APPLY EFFECT-----------";
1055 Mlt::Service clipService(clip->get_service());
1058 QString tag = args.value("tag");
1059 //kDebug()<<" / / INSERTING EFFECT: "<<id;
1060 if (tag.startsWith("ladspa")) tag = "ladspa";
1061 char *filterId = decodedString(tag);
1062 Mlt::Filter *filter = new Mlt::Filter(*m_mltProfile, filterId);
1063 if (filter && filter->is_valid())
1064 filter->set("kdenlive_id", filterId);
1066 kDebug() << "filter is NULL";
1070 QMap<QString, QString>::Iterator it;
1071 QString keyFrameNumber = "#0";
1073 for ( it = args.begin(); it != args.end(); ++it ) {
1074 //kDebug()<<" / / INSERTING EFFECT ARGS: "<<it.key()<<": "<<it.data();
1076 QString currentKeyFrameNumber;
1077 if (it.key().startsWith("#")) {
1078 currentKeyFrameNumber = it.key().section(":", 0, 0);
1079 if (currentKeyFrameNumber != keyFrameNumber) {
1080 // attach filter to the clip
1081 clipService.attach(*filter);
1082 filter = new Mlt::Filter(*m_mltProfile, filterId);
1083 filter->set("kdenlive_id", filterId);
1084 keyFrameNumber = currentKeyFrameNumber;
1086 key = it.key().section(":", 1);
1088 else key = it.key();
1089 char *name = decodedString(key);
1090 char *value = decodedString(it.value());
1091 filter->set(name, value);
1095 // attach filter to the clip
1096 clipService.attach(*filter);
1098 m_isBlocked = false;
1099 if (doRefresh) refresh();
1103 void Render::mltEditEffect(int track, GenTime position, QMap <QString, QString> args)
1105 QString index = args.value("kdenlive_ix");
1106 QString tag = args.value("tag");
1107 QMap<QString, QString>::Iterator it = args.begin();
1108 if (it.key().startsWith("#") || tag.startsWith("ladspa") || tag == "sox" || tag == "autotrack_rectangle") {
1109 // This is a keyframe effect, to edit it, we remove it and re-add it.
1110 mltRemoveEffect(track, position,index);
1111 mltAddEffect(track, position, args);
1116 Mlt::Service service(m_mltProducer->parent().get_service());
1118 Mlt::Tractor tractor(service);
1119 Mlt::Producer trackProducer(tractor.track(track));
1120 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1121 //int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
1122 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
1124 kDebug()<<"WARINIG, CANNOT FIND CLIP ON track: "<<track<<", AT POS: "<<position.frames(m_fps);
1125 m_isBlocked = false;
1129 Mlt::Service clipService(clip->get_service());
1131 // if (tag.startsWith("ladspa")) tag = "ladspa";
1134 Mlt::Filter *filter = clipService.filter( ct );
1136 if (filter->get("kdenlive_ix") == index) {
1140 filter = clipService.filter( ct );
1145 kDebug()<<"WARINIG, FILTER NOT FOUND!!!!!";
1146 m_isBlocked = false;
1150 for ( it = args.begin(); it != args.end(); ++it ) {
1151 kDebug()<<" / / EDITING EFFECT ARGS: "<<it.key()<<": "<<it.value();
1152 char *name = decodedString(it.key());
1153 char *value = decodedString(it.value());
1154 filter->set(name, value);
1158 m_isBlocked = false;
1162 void Render::mltResizeClipEnd(int track, GenTime pos, GenTime in, GenTime out)
1165 Mlt::Service service(m_mltProducer->parent().get_service());
1167 Mlt::Tractor tractor(service);
1168 Mlt::Producer trackProducer(tractor.track(track));
1169 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1170 if (trackPlaylist.is_blank_at(pos.frames(m_fps) + 1))
1171 kDebug()<<"//////// ERROR RSIZING BLANK CLIP!!!!!!!!!!!";
1172 int clipIndex = trackPlaylist.get_clip_index_at(pos.frames(m_fps) + 1);
1174 int previousDuration = trackPlaylist.clip_length(clipIndex) - 1;
1175 int newDuration = out.frames(m_fps) - 1;
1177 kDebug()<<" ** RESIZING CLIP END:" << clipIndex << " on track:"<< track <<", mid pos: "<<pos.frames(25)<<", in: "<<in.frames(25)<<", out: "<<out.frames(25)<<", PREVIOUS duration: "<<previousDuration;
1178 trackPlaylist.resize_clip(clipIndex, in.frames(m_fps), newDuration);
1179 trackPlaylist.consolidate_blanks(0);
1180 if (previousDuration < newDuration) {
1181 // clip was made longer, trim next blank if there is one.
1182 if (trackPlaylist.is_blank(clipIndex + 1)) {
1183 trackPlaylist.split(clipIndex + 1, newDuration - previousDuration);
1184 trackPlaylist.remove(clipIndex + 1);
1187 else trackPlaylist.insert_blank(clipIndex + 1, previousDuration - newDuration - 1);
1189 trackPlaylist.consolidate_blanks(0);
1190 tractor.multitrack()->refresh();
1192 if (track != 0) mltCheckLength();
1193 m_isBlocked = false;
1196 void Render::mltChangeTrackState(int track, bool mute, bool blind)
1198 Mlt::Service service(m_mltProducer->parent().get_service());
1200 Mlt::Tractor tractor(service);
1201 Mlt::Producer trackProducer(tractor.track(track));
1202 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1204 if (blind) trackProducer.set("hide", 3);
1205 else trackProducer.set("hide", 2);
1208 trackProducer.set("hide", 1);
1211 trackProducer.set("hide", 0);
1213 tractor.multitrack()->refresh();
1218 void Render::mltResizeClipStart(int track, GenTime pos, GenTime moveEnd, GenTime moveStart, GenTime in, GenTime out)
1221 Mlt::Service service(m_mltProducer->parent().get_service());
1222 int moveFrame = (moveEnd - moveStart).frames(m_fps);
1224 Mlt::Tractor tractor(service);
1225 Mlt::Producer trackProducer(tractor.track(track));
1226 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1227 if (trackPlaylist.is_blank_at(pos.frames(m_fps) - 1))
1228 kDebug()<<"//////// ERROR RSIZING BLANK CLIP!!!!!!!!!!!";
1229 int clipIndex = trackPlaylist.get_clip_index_at(pos.frames(m_fps) - 1);
1230 kDebug()<<" ** RESIZING CLIP START:" << clipIndex << " on track:"<< track <<", mid pos: "<<pos.frames(25)<<", moving: "<<moveFrame<<", in: "<<in.frames(25)<<", out: "<<out.frames(25);
1232 trackPlaylist.resize_clip(clipIndex, in.frames(m_fps), out.frames(m_fps));
1233 if (moveFrame > 0) trackPlaylist.insert_blank(clipIndex, moveFrame - 1);
1235 int midpos = moveStart.frames(m_fps) - 1; //+ (moveFrame / 2)
1236 int blankIndex = trackPlaylist.get_clip_index_at(midpos);
1237 int blankLength = trackPlaylist.clip_length(blankIndex);
1239 kDebug()<<" + resizing blank: "<<blankIndex<<", Mid: "<<midpos<<", Length: "<<blankLength<< ", SIZE DIFF: "<<moveFrame;
1242 if (blankLength + moveFrame == 0) trackPlaylist.remove(blankIndex);
1243 else trackPlaylist.resize_clip(blankIndex, 0, blankLength + moveFrame -1);
1245 trackPlaylist.consolidate_blanks(0);
1246 m_isBlocked = false;
1247 kDebug()<<"-----------------\n"<<"CLIP 0: "<<trackPlaylist.clip_start(0)<<", LENGT: "<<trackPlaylist.clip_length(0);
1248 kDebug()<<"CLIP 1: "<<trackPlaylist.clip_start(1)<<", LENGT: "<<trackPlaylist.clip_length(1);
1249 kDebug()<<"CLIP 2: "<<trackPlaylist.clip_start(2)<<", LENGT: "<<trackPlaylist.clip_length(2);
1250 kDebug()<<"CLIP 3: "<<trackPlaylist.clip_start(3)<<", LENGT: "<<trackPlaylist.clip_length(3);
1251 kDebug()<<"CLIP 4: "<<trackPlaylist.clip_start(4)<<", LENGT: "<<trackPlaylist.clip_length(4);
1254 void Render::mltMoveClip(int startTrack, int endTrack, GenTime moveStart, GenTime moveEnd)
1256 mltMoveClip(startTrack, endTrack, (int) moveStart.frames(m_fps), (int) moveEnd.frames(m_fps));
1260 void Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEnd)
1263 //m_mltConsumer->set("refresh", 0);
1264 Mlt::Service service(m_mltProducer->parent().get_service());
1266 Mlt::Tractor tractor(service);
1267 Mlt::Producer trackProducer(tractor.track(startTrack));
1268 Mlt::Playlist trackPlaylist(( mlt_playlist ) trackProducer.get_service());
1269 int clipIndex = trackPlaylist.get_clip_index_at(moveStart + 1);
1270 mlt_field field = mlt_tractor_field(tractor.get_tractor());
1271 mlt_multitrack multitrack = mlt_field_multitrack(field); //mlt_tractor_multitrack(tractor.get_tractor());
1272 kDebug()<<" -- CURRENT MULTIOTRACK HAS: "<<mlt_multitrack_count(multitrack)<<" tracks";;
1273 mlt_service multiprod = mlt_multitrack_service( multitrack );
1275 Mlt::Producer clipProducer(trackPlaylist.replace_with_blank(clipIndex));
1276 trackPlaylist.consolidate_blanks(0);
1277 mlt_events_block( MLT_PRODUCER_PROPERTIES(trackProducer.get_producer()), NULL );
1279 if (endTrack == startTrack) {
1280 if (!trackPlaylist.is_blank_at(moveEnd)) {
1281 kWarning()<<"// ERROR, CLIP COLLISION----------";
1282 int ix = trackPlaylist.get_clip_index_at(moveEnd);
1283 kDebug()<<"BAD CLIP STARTS AT: "<<trackPlaylist.clip_start(ix)<<", LENGT: "<<trackPlaylist.clip_length(ix);
1285 trackPlaylist.insert_at(moveEnd, clipProducer, 1);
1286 trackPlaylist.consolidate_blanks(0);
1289 trackPlaylist.consolidate_blanks(0);
1290 Mlt::Producer destTrackProducer(tractor.track(endTrack));
1291 Mlt::Playlist destTrackPlaylist(( mlt_playlist ) destTrackProducer.get_service());
1292 destTrackPlaylist.consolidate_blanks(1);
1293 destTrackPlaylist.insert_at(moveEnd, clipProducer, 1);
1294 destTrackPlaylist.consolidate_blanks(0);
1298 mlt_events_unblock( MLT_PRODUCER_PROPERTIES(trackProducer.get_producer()), NULL );
1299 m_isBlocked = false;
1300 m_mltConsumer->set("refresh", 1);
1303 void Render::mltMoveTransition(QString type, int startTrack, int trackOffset, GenTime oldIn, GenTime oldOut, GenTime newIn, GenTime newOut)
1306 m_mltConsumer->set("refresh", 0);
1307 mlt_service serv = m_mltProducer->parent().get_service();
1309 mlt_service nextservice = mlt_service_get_producer(serv);
1310 mlt_properties properties = MLT_SERVICE_PROPERTIES( nextservice );
1311 QString mlt_type = mlt_properties_get( properties, "mlt_type" );
1312 QString resource = mlt_properties_get( properties, "mlt_service");
1313 int old_pos = (oldIn.frames(m_fps) + oldOut.frames(m_fps)) / 2;
1315 int new_in = newIn.frames(m_fps);
1316 int new_out = newOut.frames(m_fps) - 1;
1317 while (mlt_type == "transition") {
1318 mlt_transition tr = (mlt_transition) nextservice;
1319 int currentTrack = mlt_transition_get_b_track(tr);
1320 int currentIn = (int) mlt_transition_get_in(tr);
1321 int currentOut = (int) mlt_transition_get_out(tr);
1322 kDebug()<<"// FOUND EXISTING TRANS, IN: "<<currentIn<<", OUT: "<<currentOut<<", TRACK: "<<currentTrack;
1323 //kDebug()<<"// LOOKING FOR IN: "<<old_in<<", OUT: "<<old_out;
1324 kDebug()<<"// OLD IN: "<<oldIn.frames(m_fps)<<" // OLD OUT: "<<oldOut.frames(m_fps)<<", TRACK: "<<startTrack<<", MID POS: "<<old_pos;
1325 if (resource == type && startTrack == currentTrack && currentIn <= old_pos && currentOut >= old_pos) {
1326 mlt_transition_set_in_and_out(tr, new_in, new_out);
1327 if (trackOffset != 0) {
1328 mlt_properties properties = MLT_TRANSITION_PROPERTIES( tr );
1329 mlt_properties_set_int( properties, "a_track", mlt_transition_get_a_track(tr) + trackOffset );
1330 mlt_properties_set_int( properties, "b_track", mlt_transition_get_b_track(tr) + trackOffset );
1334 nextservice = mlt_service_producer(nextservice);
1335 properties = MLT_SERVICE_PROPERTIES( nextservice );
1336 mlt_type = mlt_properties_get( properties, "mlt_type" );
1337 resource = mlt_properties_get( properties, "mlt_service" );
1339 m_isBlocked = false;
1342 void Render::mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args)
1345 Mlt::Service service(m_mltProducer->parent().get_service());
1347 Mlt::Tractor tractor(service);
1348 Mlt::Field *field = tractor.field();
1349 char *transId = decodedString(tag);
1350 Mlt::Transition *transition = new Mlt::Transition(*m_mltProfile, transId);
1351 transition->set_in_and_out((int) in.frames(m_fps), (int) out.frames(m_fps));
1352 QMap<QString, QString>::Iterator it;
1355 kDebug()<<" ------ ADDING TRANSITION PARAMs: "<<args.count();
1357 for ( it = args.begin(); it != args.end(); ++it ) {
1359 char *name = decodedString(key);
1360 char *value = decodedString(it.value());
1361 transition->set(name, value);
1362 kDebug()<<" ------ ADDING TRANS PARAM: "<<name<<": "<<value;
1363 //filter->set("kdenlive_id", id);
1367 // attach filter to the clip
1368 field->plant_transition(*transition, a_track, b_track);
1370 m_isBlocked = false;
1375 void Render::mltSavePlaylist()
1377 kWarning()<<"// UPDATING PLAYLIST TO DISK++++++++++++++++";
1378 Mlt::Consumer *fileConsumer = new Mlt::Consumer(*m_mltProfile, "westley");
1379 fileConsumer->set("resource", "/home/one/playlist.xml");
1381 Mlt::Service service(m_mltProducer->get_service());
1382 Mlt::Tractor tractor(service);
1384 fileConsumer->connect(service);
1385 fileConsumer->start();
1389 #include "renderer.moc"