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) {
44 // detect if the producer has finished playing. Is there a better way to do it ?
45 //if (self->isBlocked) return;
46 if (mlt_properties_get_double(MLT_FRAME_PROPERTIES(frame_ptr), "_speed") == 0.0) {
47 self->emitConsumerStopped();
49 self->emitFrameNumber(mlt_frame_get_position(frame_ptr));
53 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) {
54 kDebug() << "////////// USING PROFILE: " << qstrdup(KdenliveSettings::current_profile().toUtf8());
55 m_mltProfile = new Mlt::Profile((char*) qstrdup(KdenliveSettings::current_profile().toUtf8()));
56 refreshTimer = new QTimer(this);
57 connect(refreshTimer, SIGNAL(timeout()), this, SLOT(refresh()));
59 m_connectTimer = new QTimer(this);
60 connect(m_connectTimer, SIGNAL(timeout()), this, SLOT(connectPlaylist()));
62 if (rendererName == "project") m_monitorId = 10000;
63 else m_monitorId = 10001;
64 osdTimer = new QTimer(this);
65 connect(osdTimer, SIGNAL(timeout()), this, SLOT(slotOsdTimeout()));
67 m_osdProfile = KStandardDirs::locate("data", "kdenlive/profiles/metadata.properties");
68 //if (rendererName == "clip")
70 //Mlt::Consumer *consumer = new Mlt::Consumer( profile , "sdl_preview");
71 m_mltConsumer = new Mlt::Consumer(*m_mltProfile , "sdl_preview"); //consumer;
72 m_mltConsumer->set("resize", 1);
73 m_mltConsumer->set("window_id", winid);
74 m_mltConsumer->set("terminate_on_pause", 1);
75 m_externalwinid = extid;
77 m_mltConsumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_show);
78 Mlt::Producer *producer = new Mlt::Producer(*m_mltProfile , "westley-xml", "<westley><playlist><producer mlt_service=\"colour\" colour=\"blue\" /></playlist></westley>");
79 m_mltProducer = producer;
80 m_mltConsumer->connect(*m_mltProducer);
81 m_mltProducer->set_speed(0.0);
82 //m_mltConsumer->start();
86 /*m_osdInfo = new Mlt::Filter("data_show");
87 char *tmp = decodedString(m_osdProfile);
88 m_osdInfo->set("resource", tmp);
90 // Does it do anything usefull? I mean, RenderThread doesn't do anything useful at the moment
91 // (except being cpu hungry :)
93 /* if(!s_renderThread) {
94 s_renderThread = new RenderThread;
95 s_renderThread->start();
104 void Render::closeMlt() {
105 delete m_connectTimer;
109 delete m_mltConsumer;
111 delete m_mltProducer;
117 int Render::resetProfile(QString profile) {
118 if (!m_mltConsumer) return 0;
119 if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
120 m_mltConsumer->set("refresh", 0);
121 //TODO: we should also rebuild filters and delete existing m_mltProfile
122 m_mltProfile = new Mlt::Profile((char*) qstrdup(profile.toUtf8()));
123 kDebug() << " + + RESET CONSUMER WITH PROFILE: " << profile;
124 mlt_properties properties = MLT_CONSUMER_PROPERTIES(m_mltConsumer->get_consumer());
125 mlt_properties_set_data(properties, "profile", m_mltProfile->get_profile(), 0, 0, NULL);
126 //apply_profile_properties( m_mltProfile, m_mltConsumer->get_consumer(), properties );
131 /** Wraps the VEML command of the same name; Seeks the renderer clip to the given time. */
132 void Render::seek(GenTime time) {
133 sendSeekCommand(time);
134 //emit positionChanged(time);
138 char *Render::decodedString(QString str) {
139 /*QCString fn = QFile::encodeName(str);
140 char *t = new char[fn.length() + 1];
141 strcpy(t, (const char *)fn);*/
143 return qstrdup(str.toUtf8().data()); //toLatin1
147 QPixmap Render::frameThumbnail(Mlt::Frame *frame, int width, int height, bool border) {
148 QPixmap pix(width, height);
150 mlt_image_format format = mlt_image_rgb24a;
151 uint8_t *thumb = frame->get_image(format, width, height);
152 QImage image(thumb, width, height, QImage::Format_ARGB32);
154 if (!image.isNull()) {
155 pix = pix.fromImage(image);
157 QPainter painter(&pix);
158 painter.drawRect(0, 0, width - 1, height - 1);
160 } else pix.fill(Qt::black);
165 QPixmap Render::extractFrame(int frame_position, int width, int height) {
166 QPixmap pix(width, height);
167 if (!m_mltProducer) {
171 Mlt::Producer *mlt_producer = m_mltProducer->cut(frame_position, frame_position + 1);
172 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
173 m_convert.set("forced", mlt_image_rgb24a);
174 mlt_producer->attach(m_convert);
175 Mlt::Frame *frame = mlt_producer->get_frame();
178 pix = frameThumbnail(frame, width, height);
180 } else pix.fill(Qt::black);
185 QPixmap Render::getImageThumbnail(KUrl url, int width, int height) {
188 if (url.fileName().startsWith(".all.")) { // check for slideshow
189 QString fileType = url.fileName().right(3);
191 QStringList::Iterator it;
193 QDir dir(url.directory());
194 more = dir.entryList(QDir::Files);
196 for (it = more.begin() ; it != more.end() ; ++it) {
197 if ((*it).endsWith("." + fileType, Qt::CaseInsensitive)) {
198 im.load(url.directory() + "/" + *it);
202 } else im.load(url.path());
203 //pixmap = im.scaled(width, height);
208 QPixmap Render::getVideoThumbnail(char *profile, QString file, int frame_position, int width, int height) {
209 QPixmap pix(width, height);
210 char *tmp = decodedString(file);
211 Mlt::Profile *prof = new Mlt::Profile(profile);
212 Mlt::Producer m_producer(*prof, tmp);
214 if (m_producer.is_blank()) {
219 Mlt::Filter m_convert(*prof, "avcolour_space");
220 m_convert.set("forced", mlt_image_rgb24a);
221 m_producer.attach(m_convert);
222 m_producer.seek(frame_position);
223 Mlt::Frame * frame = m_producer.get_frame();
225 pix = frameThumbnail(frame, width, height, true);
228 if (prof) delete prof;
233 void Render::getImage(KUrl url, int frame_position, QPoint size)
235 char *tmp = decodedString(url.path());
236 Mlt::Producer m_producer(tmp);
238 if (m_producer.is_blank()) {
241 Mlt::Filter m_convert("avcolour_space");
242 m_convert.set("forced", mlt_image_rgb24a);
243 m_producer.attach(m_convert);
244 m_producer.seek(frame_position);
246 Mlt::Frame * frame = m_producer.get_frame();
249 QPixmap pix = frameThumbnail(frame, size.x(), size.y(), true);
251 emit replyGetImage(url, frame_position, pix, size.x(), size.y());
255 /* Create thumbnail for color */
256 /*void Render::getImage(int id, QString color, QPoint size)
258 QPixmap pixmap(size.x() - 2, size.y() - 2);
259 color = color.replace(0, 2, "#");
260 color = color.left(7);
261 pixmap.fill(QColor(color));
262 QPixmap result(size.x(), size.y());
263 result.fill(Qt::black);
264 //copyBlt(&result, 1, 1, &pixmap, 0, 0, size.x() - 2, size.y() - 2);
265 emit replyGetImage(id, result, size.x(), size.y());
269 /* Create thumbnail for image */
270 /*void Render::getImage(KUrl url, QPoint size)
274 if (url.fileName().startsWith(".all.")) { // check for slideshow
275 QString fileType = url.fileName().right(3);
277 QStringList::Iterator it;
279 QDir dir( url.directory() );
280 more = dir.entryList( QDir::Files );
281 for ( it = more.begin() ; it != more.end() ; ++it ) {
282 if ((*it).endsWith("."+fileType, Qt::CaseInsensitive)) {
283 if (!im.load(url.directory() + "/" + *it))
284 kDebug()<<"++ ERROR LOADIN IMAGE: "<<url.directory() + "/" + *it;
289 else im.load(url.path());
291 //pixmap = im.smoothScale(size.x() - 2, size.y() - 2);
292 QPixmap result(size.x(), size.y());
293 result.fill(Qt::black);
294 //copyBlt(&result, 1, 1, &pixmap, 0, 0, size.x() - 2, size.y() - 2);
295 emit replyGetImage(url, 1, result, size.x(), size.y());
299 double Render::consumerRatio() const {
300 if (!m_mltConsumer) return 1.0;
301 return (m_mltConsumer->get_double("aspect_ratio_num") / m_mltConsumer->get_double("aspect_ratio_den"));
305 int Render::getLength() {
308 // kDebug()<<"////// LENGTH: "<<mlt_producer_get_playtime(m_mltProducer->get_producer());
309 return mlt_producer_get_playtime(m_mltProducer->get_producer());
314 bool Render::isValid(KUrl url) {
315 char *tmp = decodedString(url.path());
316 Mlt::Producer producer(*m_mltProfile, tmp);
318 if (producer.is_blank())
324 void Render::getFileProperties(const QDomElement &xml, int clipId) {
326 int width = height * 16 / 9.0; //KdenliveSettings::displayratio();
328 QDomElement westley = doc.createElement("westley");
329 doc.appendChild(westley);
330 westley.appendChild(doc.importNode(xml, true));
331 kDebug() << "////////////\n" << doc.toString() << "////////////////\n";
332 char *tmp = decodedString(doc.toString());
334 Mlt::Producer producer(*m_mltProfile, "westley-xml", tmp);
337 if (producer.is_blank()) {
340 int frameNumber = xml.attribute("frame_thumbnail", 0).toInt();
341 if (frameNumber != 0) producer.seek(frameNumber);
342 mlt_properties properties = MLT_PRODUCER_PROPERTIES(producer.get_producer());
344 QMap < QString, QString > filePropertyMap;
345 QMap < QString, QString > metadataPropertyMap;
347 KUrl url = xml.attribute("resource", QString::null);
348 filePropertyMap["filename"] = url.path();
349 filePropertyMap["duration"] = QString::number(producer.get_playtime());
350 kDebug() << "/////// PRODUCER: " << url.path() << " IS: " << producer.get_playtime();
351 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
352 m_convert.set("forced", mlt_image_rgb24a);
353 producer.attach(m_convert);
354 Mlt::Frame * frame = producer.get_frame();
356 filePropertyMap["fps"] =
357 QString::number(mlt_producer_get_fps(producer.get_producer()));
359 if (frame && frame->is_valid()) {
360 filePropertyMap["width"] =
361 QString::number(frame->get_int("width"));
362 filePropertyMap["height"] =
363 QString::number(frame->get_int("height"));
364 filePropertyMap["frequency"] =
365 QString::number(frame->get_int("frequency"));
366 filePropertyMap["channels"] =
367 QString::number(frame->get_int("channels"));
369 if (frame->get_int("test_image") == 0) {
370 if (url.path().endsWith(".westley") || url.path().endsWith(".kdenlive")) {
371 filePropertyMap["type"] = "playlist";
372 metadataPropertyMap["comment"] = QString::fromUtf8(mlt_properties_get(MLT_SERVICE_PROPERTIES(producer.get_service()), "title"));
373 } else if (frame->get_int("test_audio") == 0)
374 filePropertyMap["type"] = "av";
376 filePropertyMap["type"] = "video";
378 // Generate thumbnail for this frame
379 QPixmap pixmap = frameThumbnail(frame, width, height, true);
381 emit replyGetImage(clipId, 0, pixmap, width, height);
383 } else if (frame->get_int("test_audio") == 0) {
384 QPixmap pixmap(KStandardDirs::locate("appdata", "graphics/music.png"));
385 emit replyGetImage(clipId, 0, pixmap, width, height);
386 filePropertyMap["type"] = "audio";
390 // Retrieve audio / video codec name
392 // Fetch the video_context
393 #if 0 //until the reason for the chrashs is found
394 AVFormatContext *context = (AVFormatContext *) mlt_properties_get_data(properties, "video_context", NULL);
395 if (context != NULL) {
396 // Get the video_index
397 int index = mlt_properties_get_int(properties, "video_index");
398 if (context->streams && context->streams [index] && context->streams[ index ]->codec && context->streams[ index ]->codec->codec->name)
399 filePropertyMap["videocodec"] = context->streams[ index ]->codec->codec->name;
401 context = (AVFormatContext *) mlt_properties_get_data(properties, "audio_context", NULL);
402 if (context != NULL) {
403 // Get the video_index
404 int index = mlt_properties_get_int(properties, "audio_index");
405 if (context->streams && context->streams [index] && context->streams[ index ]->codec && context->streams[ index ]->codec->codec->name)
406 filePropertyMap["audiocodec"] = context->streams[ index ]->codec->codec->name;
413 mlt_properties metadata = mlt_properties_new();
414 mlt_properties_pass(metadata, properties, "meta.attr.");
415 int count = mlt_properties_count(metadata);
416 for (int i = 0; i < count; i ++) {
417 QString name = mlt_properties_get_name(metadata, i);
418 QString value = QString::fromUtf8(mlt_properties_get_value(metadata, i));
419 if (name.endsWith("markup") && !value.isEmpty())
420 metadataPropertyMap[ name.section(".", 0, -2)] = value;
423 emit replyGetFileProperties(clipId, filePropertyMap, metadataPropertyMap);
424 kDebug() << "REquested fuile info for: " << url.path();
425 if (frame) delete frame;
428 QDomDocument Render::sceneList() const {
432 /** Create the producer from the Westley QDomDocument */
433 void Render::initSceneList() {
434 kDebug() << "-------- INIT SCENE LIST ------_";
436 QDomElement westley = doc.createElement("westley");
437 doc.appendChild(westley);
438 QDomElement prod = doc.createElement("producer");
439 prod.setAttribute("resource", "colour");
440 prod.setAttribute("colour", "red");
441 prod.setAttribute("id", "black");
442 prod.setAttribute("in", "0");
443 prod.setAttribute("out", "0");
445 QDomElement tractor = doc.createElement("tractor");
446 QDomElement multitrack = doc.createElement("multitrack");
448 QDomElement playlist1 = doc.createElement("playlist");
449 playlist1.appendChild(prod);
450 multitrack.appendChild(playlist1);
451 QDomElement playlist2 = doc.createElement("playlist");
452 multitrack.appendChild(playlist2);
453 QDomElement playlist3 = doc.createElement("playlist");
454 multitrack.appendChild(playlist3);
455 QDomElement playlist4 = doc.createElement("playlist");
456 multitrack.appendChild(playlist4);
457 QDomElement playlist5 = doc.createElement("playlist");
458 multitrack.appendChild(playlist5);
459 tractor.appendChild(multitrack);
460 westley.appendChild(tractor);
461 // kDebug()<<doc.toString();
463 QString tmp = QString("<westley><producer resource=\"colour\" colour=\"red\" id=\"red\" /><tractor><multitrack><playlist></playlist><playlist></playlist><playlist /><playlist /><playlist></playlist></multitrack></tractor></westley>");*/
464 setSceneList(doc, 0);
468 /** Create the producer from the Westley QDomDocument */
469 void Render::setSceneList(QDomDocument list, int position) {
470 if (m_winid == -1) return;
471 m_generateScenelist = true;
473 kWarning() << "////// RENDER, SET SCENE LIST";
477 if (!clip.is_valid()) {
478 kWarning()<<" ++++ WARNING, UNABLE TO CREATE MLT PRODUCER";
479 m_generateScenelist = false;
484 m_mltConsumer->set("refresh", 0);
485 if (!m_mltConsumer->is_stopped()) {
486 //emitConsumerStopped();
487 m_mltConsumer->stop();
492 m_mltProducer->set_speed(0.0);
494 //if (KdenliveSettings::osdtimecode() && m_osdInfo) m_mltProducer->detach(*m_osdInfo);
496 delete m_mltProducer;
497 m_mltProducer = NULL;
501 char *tmp = decodedString(list.toString());
502 //Mlt::Producer clip(profile, "westley-xml", tmp);
504 m_mltProducer = new Mlt::Producer(*m_mltProfile, "westley-xml", tmp);
506 //m_mltProducer->optimise();
507 if (position != 0) m_mltProducer->seek(position);
509 /*if (KdenliveSettings::osdtimecode()) {
510 // Attach filter for on screen display of timecode
512 QString attr = "attr_check";
513 mlt_filter filter = mlt_factory_filter( "data_feed", (char*) attr.ascii() );
514 mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik", 1 );
515 mlt_producer_attach( m_mltProducer->get_producer(), filter );
516 mlt_filter_close( filter );
518 m_osdInfo = new Mlt::Filter("data_show");
519 tmp = decodedString(m_osdProfile);
520 m_osdInfo->set("resource", tmp);
522 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
523 mlt_properties_set_int( properties, "meta.attr.timecode", 1);
524 mlt_properties_set( properties, "meta.attr.timecode.markup", "#timecode#");
525 m_osdInfo->set("dynamic", "1");
527 if (m_mltProducer->attach(*m_osdInfo) == 1) kDebug()<<"////// error attaching filter";
529 m_osdInfo->set("dynamic", "0");
532 m_fps = m_mltProducer->get_fps();
534 emit durationChanged(m_mltProducer->get_playtime());
535 //m_connectTimer->start( 500 );
537 m_generateScenelist = false;
541 const double Render::fps() const {
545 void Render::connectPlaylist() {
547 m_connectTimer->stop();
548 m_mltConsumer->connect(*m_mltProducer);
549 m_mltProducer->set_speed(0.0);
550 m_mltConsumer->start();
553 if (m_mltConsumer->start() == -1) {
554 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."));
555 m_mltConsumer = NULL;
562 void Render::refreshDisplay() {
564 if (!m_mltProducer) return;
565 m_mltConsumer->set("refresh", 0);
567 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
568 /*if (KdenliveSettings::osdtimecode()) {
569 mlt_properties_set_int( properties, "meta.attr.timecode", 1);
570 mlt_properties_set( properties, "meta.attr.timecode.markup", "#timecode#");
571 m_osdInfo->set("dynamic", "1");
572 m_mltProducer->attach(*m_osdInfo);
575 m_mltProducer->detach(*m_osdInfo);
576 m_osdInfo->set("dynamic", "0");
581 void Render::setVolume(double volume) {
582 if (!m_mltConsumer || !m_mltProducer) return;
584 m_mltConsumer->set("refresh", 0);
585 // Attach filter for on screen display of timecode
586 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
587 mlt_properties_set_double( properties, "meta.volume", volume );
588 mlt_properties_set_int( properties, "meta.attr.osdvolume", 1);
589 mlt_properties_set( properties, "meta.attr.osdvolume.markup", i18n("Volume: ") + QString::number(volume * 100));
591 if (!KdenliveSettings::osdtimecode()) {
592 m_mltProducer->detach(*m_osdInfo);
593 mlt_properties_set_int( properties, "meta.attr.timecode", 0);
594 if (m_mltProducer->attach(*m_osdInfo) == 1) kDebug()<<"////// error attaching filter";
597 osdTimer->setSingleShot(2500);
600 void Render::slotOsdTimeout() {
601 mlt_properties properties = MLT_PRODUCER_PROPERTIES(m_mltProducer->get_producer());
602 mlt_properties_set_int(properties, "meta.attr.osdvolume", 0);
603 mlt_properties_set(properties, "meta.attr.osdvolume.markup", NULL);
604 //if (!KdenliveSettings::osdtimecode()) m_mltProducer->detach(*m_osdInfo);
608 void Render::start() {
609 kDebug() << "----- STARTING MONITOR: " << m_name;
611 kDebug() << "----- BROKEN MONITOR: " << m_name << ", RESTART";
615 if (m_mltConsumer->is_stopped()) {
616 kDebug() << "----- MONITOR: " << m_name << " WAS STOPPED";
617 if (m_mltConsumer->start() == -1) {
618 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."));
619 m_mltConsumer = NULL;
622 kDebug() << "----- MONITOR: " << m_name << " REFRESH";
629 void Render::clear() {
631 m_mltConsumer->set("refresh", 0);
632 if (!m_mltConsumer->is_stopped()) m_mltConsumer->stop();
636 //if (KdenliveSettings::osdtimecode() && m_osdInfo) m_mltProducer->detach(*m_osdInfo);
637 m_mltProducer->set_speed(0.0);
638 delete m_mltProducer;
639 m_mltProducer = NULL;
644 void Render::stop() {
645 if (m_mltConsumer && !m_mltConsumer->is_stopped()) {
646 kDebug() << "///////////// RENDER STOPPED: " << m_name;
647 m_mltConsumer->set("refresh", 0);
648 m_mltConsumer->stop();
650 kDebug() << "///////////// RENDER STOP2-------";
654 m_mltProducer->set_speed(0.0);
655 m_mltProducer->set("out", m_mltProducer->get_length() - 1);
657 kDebug() << "///////////// RENDER STOP3-------";
660 void Render::stop(const GenTime & startTime) {
661 kDebug() << "///////////// RENDER STOP-------2";
663 m_mltProducer->set_speed(0.0);
664 m_mltProducer->seek((int) startTime.frames(m_fps));
666 m_mltConsumer->purge();
669 void Render::switchPlay() {
672 if (m_mltProducer->get_speed() == 0.0) m_mltProducer->set_speed(1.0);
674 m_mltProducer->set_speed(0.0);
675 kDebug() << "// POSITON: " << m_framePosition;
676 m_mltProducer->seek((int) m_framePosition);
679 /*if (speed == 0.0) {
680 m_mltProducer->seek((int) m_framePosition + 1);
681 m_mltConsumer->purge();
686 void Render::play(double speed) {
689 if (speed == 0.0) m_mltProducer->set("out", m_mltProducer->get_length() - 1);
690 m_mltProducer->set_speed(speed);
691 /*if (speed == 0.0) {
692 m_mltProducer->seek((int) m_framePosition + 1);
693 m_mltConsumer->purge();
698 void Render::play(double speed, const GenTime & startTime) {
699 kDebug() << "///////////// RENDER PLAY2-------" << speed;
702 //m_mltProducer->set("out", m_mltProducer->get_length() - 1);
703 //if (speed == 0.0) m_mltConsumer->set("refresh", 0);
704 m_mltProducer->set_speed(speed);
705 m_mltProducer->seek((int)(startTime.frames(m_fps)));
706 //m_mltConsumer->purge();
710 void Render::play(double speed, const GenTime & startTime,
711 const GenTime & stopTime) {
712 kDebug() << "///////////// RENDER PLAY3-------" << speed;
715 m_mltProducer->set("out", stopTime.frames(m_fps));
716 m_mltProducer->seek((int)(startTime.frames(m_fps)));
717 m_mltConsumer->purge();
718 m_mltProducer->set_speed(speed);
722 void Render::render(const KUrl & url) {
724 QDomElement elem = doc.createElement("render");
725 elem.setAttribute("filename", url.path());
726 doc.appendChild(elem);
729 void Render::sendSeekCommand(GenTime time) {
732 //kDebug()<<"////////// KDENLIVE SEEK: "<<(int) (time.frames(m_fps));
733 m_mltProducer->seek((int)(time.frames(m_fps)));
737 void Render::seekToFrame(int pos) {
740 //kDebug()<<"////////// KDENLIVE SEEK: "<<(int) (time.frames(m_fps));
741 m_mltProducer->seek(pos);
745 void Render::askForRefresh() {
746 // Use a Timer so that we don't refresh too much
747 refreshTimer->start(200);
750 void Render::doRefresh() {
751 // Use a Timer so that we don't refresh too much
755 void Render::refresh() {
756 if (!m_mltProducer || m_isBlocked)
758 refreshTimer->stop();
760 m_mltConsumer->set("refresh", 1);
764 /** Sets the description of this renderer to desc. */
765 void Render::setDescription(const QString & description) {
766 m_description = description;
769 /** Returns the description of this renderer */
770 QString Render::description() {
771 return m_description;
775 double Render::playSpeed() {
776 if (m_mltProducer) return m_mltProducer->get_speed();
780 const GenTime & Render::seekPosition() const {
781 if (m_mltProducer) return GenTime((int) m_mltProducer->position(), m_fps);
782 else return GenTime();
786 const QString & Render::rendererName() const {
791 void Render::emitFrameNumber(double position) {
792 //kDebug()<<"// POSITON: "<<m_framePosition;
793 if (m_generateScenelist) return;
794 m_framePosition = position;
795 emit rendererPosition((int) position);
796 //if (qApp->activeWindow()) QApplication::postEvent(qApp->activeWindow(), new PositionChangeEvent( GenTime((int) position, m_fps), m_monitorId));
799 void Render::emitConsumerStopped() {
800 // This is used to know when the playing stopped
801 if (m_mltProducer && !m_generateScenelist) {
802 double pos = m_mltProducer->position();
803 emit rendererStopped((int) pos);
804 //if (qApp->activeWindow()) QApplication::postEvent(qApp->activeWindow(), new PositionChangeEvent(GenTime((int) pos, m_fps), m_monitorId + 100));
805 //new QCustomEvent(10002));
811 void Render::exportFileToFirewire(QString srcFileName, int port, GenTime startTime, GenTime endTime) {
812 KMessageBox::sorry(0, i18n("Firewire is not enabled on your system.\n Please install Libiec61883 and recompile Kdenlive"));
816 void Render::exportCurrentFrame(KUrl url, bool notify) {
817 if (!m_mltProducer) {
818 KMessageBox::sorry(qApp->activeWindow(), i18n("There is no clip, cannot extract frame."));
822 int height = 1080;//KdenliveSettings::defaultheight();
823 int width = 1940; //KdenliveSettings::displaywidth();
825 QPixmap pix(width, height);
826 Mlt::Filter m_convert(*m_mltProfile, "avcolour_space");
827 m_convert.set("forced", mlt_image_rgb24a);
828 m_mltProducer->attach(m_convert);
829 Mlt::Frame * frame = m_mltProducer->get_frame();
830 m_mltProducer->detach(m_convert);
832 pix = frameThumbnail(frame, width, height);
835 pix.save(url.path(), "PNG");
836 //if (notify) QApplication::postEvent(qApp->activeWindow(), new UrlEvent(url, 10003));
839 /** MLT PLAYLIST DIRECT MANIPULATON **/
842 void Render::mltCheckLength() {
843 //kDebug()<<"checking track length: "<<track<<"..........";
844 Mlt::Service service(m_mltProducer->get_service());
845 Mlt::Tractor tractor(service);
847 int trackNb = tractor.count();
849 double trackDuration;
851 Mlt::Producer trackProducer(tractor.track(0));
852 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
853 duration = Mlt::Producer(trackPlaylist.get_producer()).get_playtime() - 1;
854 m_mltProducer->set("out", duration);
855 emit durationChanged(duration);
858 while (trackNb > 1) {
859 Mlt::Producer trackProducer(tractor.track(trackNb - 1));
860 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
861 trackDuration = Mlt::Producer(trackPlaylist.get_producer()).get_playtime() - 1;
863 kDebug() << " / / /DURATON FOR TRACK " << trackNb - 1 << " = " << trackDuration;
864 if (trackDuration > duration) duration = trackDuration;
868 Mlt::Producer blackTrackProducer(tractor.track(0));
869 Mlt::Playlist blackTrackPlaylist((mlt_playlist) blackTrackProducer.get_service());
870 double blackDuration = Mlt::Producer(blackTrackPlaylist.get_producer()).get_playtime() - 1;
871 kDebug() << " / / /DURATON FOR TRACK 0 = " << blackDuration;
872 if (blackDuration != duration) {
873 blackTrackPlaylist.remove_region(0, blackDuration);
877 QDomElement black = doc.createElement("producer");
878 black.setAttribute("mlt_service", "colour");
879 black.setAttribute("colour", "black");
880 black.setAttribute("in", "0");
881 black.setAttribute("out", "13999");
882 while (dur > 14000) { // <producer mlt_service=\"colour\" colour=\"black\" in=\"0\" out=\"13999\" />
883 mltInsertClip(0, GenTime(i * 14000, m_fps), black);
887 black.setAttribute("out", QString::number(dur));
888 mltInsertClip(0, GenTime(), black);
890 m_mltProducer->set("out", duration);
891 emit durationChanged(duration);
896 void Render::mltInsertClip(int track, GenTime position, QDomElement element) {
897 if (!m_mltProducer) {
898 kDebug() << "PLAYLIST NOT INITIALISED //////";
901 Mlt::Producer parentProd(m_mltProducer->parent());
902 if (parentProd.get_producer() == NULL) {
903 kDebug() << "PLAYLIST BROKEN, CANNOT INSERT CLIP //////";
907 Mlt::Service service(parentProd.get_service());
908 Mlt::Tractor tractor(service);
911 doc.appendChild(doc.importNode(element, true));
912 QString resource = doc.toString();
913 kDebug() << "/////// ADDING CLIP TMLNE: " << resource << " ON TRACK: " << track;
914 Mlt::Producer trackProducer(tractor.track(track));
915 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
916 char *tmp = decodedString(resource);
917 Mlt::Producer clip(*m_mltProfile, "westley-xml", tmp);
918 //clip.set_in_and_out(in.frames(m_fps), out.frames(m_fps));
921 trackPlaylist.insert_at(position.frames(m_fps), clip, 1);
922 tractor.multitrack()->refresh();
924 if (track != 0) mltCheckLength();
928 void Render::mltCutClip(int track, GenTime position) {
930 Mlt::Service service(m_mltProducer->parent().get_service());
931 Mlt::Tractor tractor(service);
932 Mlt::Producer trackProducer(tractor.track(track));
933 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
934 trackPlaylist.split_at(position.frames(m_fps));
935 trackPlaylist.consolidate_blanks(0);
936 kDebug() << "/ / / /CUTTING CLIP AT: " << position.frames(m_fps);
941 void Render::mltRemoveClip(int track, GenTime position) {
943 Mlt::Service service(m_mltProducer->parent().get_service());
944 Mlt::Tractor tractor(service);
945 Mlt::Producer trackProducer(tractor.track(track));
946 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
947 int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
948 //trackPlaylist.remove(clipIndex);
949 trackPlaylist.replace_with_blank(clipIndex);
950 trackPlaylist.consolidate_blanks(0);
951 if (track != 0) mltCheckLength();
952 //emit durationChanged();
956 void Render::mltRemoveEffect(int track, GenTime position, QString index, bool doRefresh) {
958 Mlt::Service service(m_mltProducer->parent().get_service());
960 Mlt::Tractor tractor(service);
961 Mlt::Producer trackProducer(tractor.track(track));
962 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
963 //int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
964 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
966 kDebug() << " / / / CANNOT FIND CLIP TO REMOVE EFFECT";
970 Mlt::Service clipService(clip->get_service());
972 // if (tag.startsWith("ladspa")) tag = "ladspa";
975 Mlt::Filter *filter = clipService.filter(ct);
977 if (index == "-1" || filter->get("kdenlive_ix") == index) {// && filter->get("kdenlive_id") == id) {
978 clipService.detach(*filter);
979 kDebug() << " / / / DLEETED EFFECT: " << ct;
981 filter = clipService.filter(ct);
984 if (doRefresh) refresh();
988 void Render::mltAddEffect(int track, GenTime position, QMap <QString, QString> args, bool doRefresh) {
989 Mlt::Service service(m_mltProducer->parent().get_service());
990 Mlt::Tractor tractor(service);
991 Mlt::Producer trackProducer(tractor.track(track));
992 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
994 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
997 kDebug() << "********** CANNOT FIND CLIP TO APPLY EFFECT-----------";
1000 Mlt::Service clipService(clip->get_service());
1003 QString tag = args.value("tag");
1004 //kDebug()<<" / / INSERTING EFFECT: "<<id;
1005 if (tag.startsWith("ladspa")) tag = "ladspa";
1006 char *filterId = decodedString(tag);
1007 Mlt::Filter *filter = new Mlt::Filter(*m_mltProfile, filterId);
1008 if (filter && filter->is_valid())
1009 filter->set("kdenlive_id", filterId);
1011 kDebug() << "filter is NULL";
1015 QMap<QString, QString>::Iterator it;
1016 QString keyFrameNumber = "#0";
1018 for (it = args.begin(); it != args.end(); ++it) {
1019 //kDebug()<<" / / INSERTING EFFECT ARGS: "<<it.key()<<": "<<it.data();
1021 QString currentKeyFrameNumber;
1022 if (it.key().startsWith("#")) {
1023 currentKeyFrameNumber = it.key().section(":", 0, 0);
1024 if (currentKeyFrameNumber != keyFrameNumber) {
1025 // attach filter to the clip
1026 clipService.attach(*filter);
1027 filter = new Mlt::Filter(*m_mltProfile, filterId);
1028 filter->set("kdenlive_id", filterId);
1029 keyFrameNumber = currentKeyFrameNumber;
1031 key = it.key().section(":", 1);
1032 } else key = it.key();
1033 char *name = decodedString(key);
1034 char *value = decodedString(it.value());
1035 filter->set(name, value);
1039 // attach filter to the clip
1040 clipService.attach(*filter);
1042 m_isBlocked = false;
1043 if (doRefresh) refresh();
1047 void Render::mltEditEffect(int track, GenTime position, QMap <QString, QString> args) {
1048 QString index = args.value("kdenlive_ix");
1049 QString tag = args.value("tag");
1050 QMap<QString, QString>::Iterator it = args.begin();
1051 if (it.key().startsWith("#") || tag.startsWith("ladspa") || tag == "sox" || tag == "autotrack_rectangle") {
1052 // This is a keyframe effect, to edit it, we remove it and re-add it.
1053 mltRemoveEffect(track, position, index);
1054 mltAddEffect(track, position, args);
1059 Mlt::Service service(m_mltProducer->parent().get_service());
1061 Mlt::Tractor tractor(service);
1062 Mlt::Producer trackProducer(tractor.track(track));
1063 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
1064 //int clipIndex = trackPlaylist.get_clip_index_at(position.frames(m_fps));
1065 Mlt::Producer *clip = trackPlaylist.get_clip_at(position.frames(m_fps));
1067 kDebug() << "WARINIG, CANNOT FIND CLIP ON track: " << track << ", AT POS: " << position.frames(m_fps);
1068 m_isBlocked = false;
1072 Mlt::Service clipService(clip->get_service());
1074 // if (tag.startsWith("ladspa")) tag = "ladspa";
1077 Mlt::Filter *filter = clipService.filter(ct);
1079 if (filter->get("kdenlive_ix") == index) {
1083 filter = clipService.filter(ct);
1088 kDebug() << "WARINIG, FILTER FOR EDITING NOT FOUND, ADDING IT!!!!!";
1089 mltAddEffect(track, position, args);
1090 m_isBlocked = false;
1094 for (it = args.begin(); it != args.end(); ++it) {
1095 kDebug() << " / / EDITING EFFECT ARGS: " << it.key() << ": " << it.value();
1096 char *name = decodedString(it.key());
1097 char *value = decodedString(it.value());
1098 filter->set(name, value);
1102 m_isBlocked = false;
1106 void Render::mltResizeClipEnd(int track, GenTime pos, GenTime in, GenTime out) {
1108 Mlt::Service service(m_mltProducer->parent().get_service());
1110 Mlt::Tractor tractor(service);
1111 Mlt::Producer trackProducer(tractor.track(track));
1112 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
1113 if (trackPlaylist.is_blank_at(pos.frames(m_fps) + 1))
1114 kDebug() << "//////// ERROR RSIZING BLANK CLIP!!!!!!!!!!!";
1115 int clipIndex = trackPlaylist.get_clip_index_at(pos.frames(m_fps) + 1);
1117 int previousDuration = trackPlaylist.clip_length(clipIndex) - 1;
1118 int newDuration = out.frames(m_fps) - 1;
1120 kDebug() << " ** RESIZING CLIP END:" << clipIndex << " on track:" << track << ", mid pos: " << pos.frames(25) << ", in: " << in.frames(25) << ", out: " << out.frames(25) << ", PREVIOUS duration: " << previousDuration;
1121 trackPlaylist.resize_clip(clipIndex, in.frames(m_fps), newDuration);
1122 trackPlaylist.consolidate_blanks(0);
1123 if (previousDuration < newDuration) {
1124 // clip was made longer, trim next blank if there is one.
1125 if (trackPlaylist.is_blank(clipIndex + 1)) {
1126 trackPlaylist.split(clipIndex + 1, newDuration - previousDuration);
1127 trackPlaylist.remove(clipIndex + 1);
1129 } else trackPlaylist.insert_blank(clipIndex + 1, previousDuration - newDuration - 1);
1131 trackPlaylist.consolidate_blanks(0);
1132 tractor.multitrack()->refresh();
1134 if (track != 0) mltCheckLength();
1135 m_isBlocked = false;
1138 void Render::mltChangeTrackState(int track, bool mute, bool blind) {
1139 Mlt::Service service(m_mltProducer->parent().get_service());
1141 Mlt::Tractor tractor(service);
1142 Mlt::Producer trackProducer(tractor.track(track));
1143 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
1145 if (blind) trackProducer.set("hide", 3);
1146 else trackProducer.set("hide", 2);
1148 trackProducer.set("hide", 1);
1150 trackProducer.set("hide", 0);
1152 tractor.multitrack()->refresh();
1157 void Render::mltResizeClipStart(int track, GenTime pos, GenTime moveEnd, GenTime moveStart, GenTime in, GenTime out) {
1159 Mlt::Service service(m_mltProducer->parent().get_service());
1160 int moveFrame = (moveEnd - moveStart).frames(m_fps);
1162 Mlt::Tractor tractor(service);
1163 Mlt::Producer trackProducer(tractor.track(track));
1164 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
1165 if (trackPlaylist.is_blank_at(pos.frames(m_fps) - 1))
1166 kDebug() << "//////// ERROR RSIZING BLANK CLIP!!!!!!!!!!!";
1167 int clipIndex = trackPlaylist.get_clip_index_at(pos.frames(m_fps) - 1);
1168 kDebug() << " ** RESIZING CLIP START:" << clipIndex << " on track:" << track << ", mid pos: " << pos.frames(25) << ", moving: " << moveFrame << ", in: " << in.frames(25) << ", out: " << out.frames(25);
1170 trackPlaylist.resize_clip(clipIndex, in.frames(m_fps), out.frames(m_fps));
1171 if (moveFrame > 0) trackPlaylist.insert_blank(clipIndex, moveFrame - 1);
1173 int midpos = moveStart.frames(m_fps) - 1; //+ (moveFrame / 2)
1174 int blankIndex = trackPlaylist.get_clip_index_at(midpos);
1175 int blankLength = trackPlaylist.clip_length(blankIndex);
1177 kDebug() << " + resizing blank: " << blankIndex << ", Mid: " << midpos << ", Length: " << blankLength << ", SIZE DIFF: " << moveFrame;
1180 if (blankLength + moveFrame == 0) trackPlaylist.remove(blankIndex);
1181 else trackPlaylist.resize_clip(blankIndex, 0, blankLength + moveFrame - 1);
1183 trackPlaylist.consolidate_blanks(0);
1184 m_isBlocked = false;
1185 kDebug() << "-----------------\n" << "CLIP 0: " << trackPlaylist.clip_start(0) << ", LENGT: " << trackPlaylist.clip_length(0);
1186 kDebug() << "CLIP 1: " << trackPlaylist.clip_start(1) << ", LENGT: " << trackPlaylist.clip_length(1);
1187 kDebug() << "CLIP 2: " << trackPlaylist.clip_start(2) << ", LENGT: " << trackPlaylist.clip_length(2);
1188 kDebug() << "CLIP 3: " << trackPlaylist.clip_start(3) << ", LENGT: " << trackPlaylist.clip_length(3);
1189 kDebug() << "CLIP 4: " << trackPlaylist.clip_start(4) << ", LENGT: " << trackPlaylist.clip_length(4);
1192 void Render::mltMoveClip(int startTrack, int endTrack, GenTime moveStart, GenTime moveEnd) {
1193 mltMoveClip(startTrack, endTrack, (int) moveStart.frames(m_fps), (int) moveEnd.frames(m_fps));
1197 void Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEnd) {
1199 //m_mltConsumer->set("refresh", 0);
1200 Mlt::Service service(m_mltProducer->parent().get_service());
1202 Mlt::Tractor tractor(service);
1203 Mlt::Producer trackProducer(tractor.track(startTrack));
1204 Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
1205 int clipIndex = trackPlaylist.get_clip_index_at(moveStart + 1);
1206 mlt_field field = mlt_tractor_field(tractor.get_tractor());
1207 mlt_multitrack multitrack = mlt_field_multitrack(field); //mlt_tractor_multitrack(tractor.get_tractor());
1208 kDebug() << " -- CURRENT MULTIOTRACK HAS: " << mlt_multitrack_count(multitrack) << " tracks";;
1209 mlt_service multiprod = mlt_multitrack_service(multitrack);
1211 Mlt::Producer clipProducer(trackPlaylist.replace_with_blank(clipIndex));
1212 trackPlaylist.consolidate_blanks(0);
1213 mlt_events_block(MLT_PRODUCER_PROPERTIES(trackProducer.get_producer()), NULL);
1215 if (endTrack == startTrack) {
1216 if (!trackPlaylist.is_blank_at(moveEnd)) {
1217 kWarning() << "// ERROR, CLIP COLLISION----------";
1218 int ix = trackPlaylist.get_clip_index_at(moveEnd);
1219 kDebug() << "BAD CLIP STARTS AT: " << trackPlaylist.clip_start(ix) << ", LENGT: " << trackPlaylist.clip_length(ix);
1221 trackPlaylist.insert_at(moveEnd, clipProducer, 1);
1222 trackPlaylist.consolidate_blanks(0);
1224 trackPlaylist.consolidate_blanks(0);
1225 Mlt::Producer destTrackProducer(tractor.track(endTrack));
1226 Mlt::Playlist destTrackPlaylist((mlt_playlist) destTrackProducer.get_service());
1227 destTrackPlaylist.consolidate_blanks(1);
1228 destTrackPlaylist.insert_at(moveEnd, clipProducer, 1);
1229 destTrackPlaylist.consolidate_blanks(0);
1233 mlt_events_unblock(MLT_PRODUCER_PROPERTIES(trackProducer.get_producer()), NULL);
1234 m_isBlocked = false;
1235 m_mltConsumer->set("refresh", 1);
1238 void Render::mltMoveTransition(QString type, int startTrack, int trackOffset, GenTime oldIn, GenTime oldOut, GenTime newIn, GenTime newOut) {
1240 m_mltConsumer->set("refresh", 0);
1241 mlt_service serv = m_mltProducer->parent().get_service();
1243 mlt_service nextservice = mlt_service_get_producer(serv);
1244 mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
1245 QString mlt_type = mlt_properties_get(properties, "mlt_type");
1246 QString resource = mlt_properties_get(properties, "mlt_service");
1247 int old_pos = (oldIn.frames(m_fps) + oldOut.frames(m_fps)) / 2;
1249 int new_in = newIn.frames(m_fps);
1250 int new_out = newOut.frames(m_fps) - 1;
1251 while (mlt_type == "transition") {
1252 mlt_transition tr = (mlt_transition) nextservice;
1253 int currentTrack = mlt_transition_get_b_track(tr);
1254 int currentIn = (int) mlt_transition_get_in(tr);
1255 int currentOut = (int) mlt_transition_get_out(tr);
1256 kDebug() << "// FOUND EXISTING TRANS, IN: " << currentIn << ", OUT: " << currentOut << ", TRACK: " << currentTrack;
1257 //kDebug()<<"// LOOKING FOR IN: "<<old_in<<", OUT: "<<old_out;
1258 kDebug() << "// OLD IN: " << oldIn.frames(m_fps) << " // OLD OUT: " << oldOut.frames(m_fps) << ", TRACK: " << startTrack << ", MID POS: " << old_pos;
1259 if (resource == type && startTrack == currentTrack && currentIn <= old_pos && currentOut >= old_pos) {
1260 mlt_transition_set_in_and_out(tr, new_in, new_out);
1261 if (trackOffset != 0) {
1262 mlt_properties properties = MLT_TRANSITION_PROPERTIES(tr);
1263 mlt_properties_set_int(properties, "a_track", mlt_transition_get_a_track(tr) + trackOffset);
1264 mlt_properties_set_int(properties, "b_track", mlt_transition_get_b_track(tr) + trackOffset);
1268 nextservice = mlt_service_producer(nextservice);
1269 properties = MLT_SERVICE_PROPERTIES(nextservice);
1270 mlt_type = mlt_properties_get(properties, "mlt_type");
1271 resource = mlt_properties_get(properties, "mlt_service");
1273 m_isBlocked = false;
1276 void Render::mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args) {
1278 Mlt::Service service(m_mltProducer->parent().get_service());
1280 Mlt::Tractor tractor(service);
1281 Mlt::Field *field = tractor.field();
1282 char *transId = decodedString(tag);
1283 Mlt::Transition *transition = new Mlt::Transition(*m_mltProfile, transId);
1284 transition->set_in_and_out((int) in.frames(m_fps), (int) out.frames(m_fps));
1285 QMap<QString, QString>::Iterator it;
1288 kDebug() << " ------ ADDING TRANSITION PARAMs: " << args.count();
1290 for (it = args.begin(); it != args.end(); ++it) {
1292 char *name = decodedString(key);
1293 char *value = decodedString(it.value());
1294 transition->set(name, value);
1295 kDebug() << " ------ ADDING TRANS PARAM: " << name << ": " << value;
1296 //filter->set("kdenlive_id", id);
1300 // attach filter to the clip
1301 field->plant_transition(*transition, a_track, b_track);
1303 m_isBlocked = false;
1308 void Render::mltSavePlaylist() {
1309 kWarning() << "// UPDATING PLAYLIST TO DISK++++++++++++++++";
1310 Mlt::Consumer *fileConsumer = new Mlt::Consumer(*m_mltProfile, "westley");
1311 fileConsumer->set("resource", "/home/one/playlist.xml");
1313 Mlt::Service service(m_mltProducer->get_service());
1314 Mlt::Tractor tractor(service);
1316 fileConsumer->connect(service);
1317 fileConsumer->start();
1321 #include "renderer.moc"