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 Lcio Fl�io Corr�
8 email : lucio.correa@gmail.com
9 copyright : (C) Marco Gittler
10 email : g.marco@freenet.de
12 ***************************************************************************/
14 /***************************************************************************
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
21 ***************************************************************************/
24 #include "clipmanager.h"
26 #include "kdenlivesettings.h"
28 #include <mlt++/Mlt.h>
30 #include <kio/netaccess.h>
33 #include <kfileitem.h>
34 #include <kmessagebox.h>
35 #include <KStandardDirs>
39 #include <QApplication>
40 #include <QtConcurrentRun>
41 #include <QVarLengthArray>
43 KThumb::KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent) :
50 m_clipManager(clipManager),
53 m_thumbFile = clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
58 if (m_producer) m_clipManager->stopThumbs(m_id);
60 m_intraFramesQueue.clear();
61 m_intra.waitForFinished();
64 void KThumb::setProducer(Mlt::Producer *producer)
66 if (m_producer) m_clipManager->stopThumbs(m_id);
67 m_intraFramesQueue.clear();
68 m_intra.waitForFinished();
69 QMutexLocker lock(&m_mutex);
70 m_producer = producer;
71 // FIXME: the profile() call leaks an object, but trying to free
72 // it leads to a double-free in Profile::~Profile()
74 Mlt::Profile *profile = producer->profile();
75 m_dar = profile->dar();
76 m_ratio = (double) profile->width() / profile->height();
80 void KThumb::clearProducer()
82 if (m_producer) setProducer(NULL);
85 bool KThumb::hasProducer() const
87 return m_producer != NULL;
90 void KThumb::updateThumbUrl(const QString &hash)
92 m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
95 void KThumb::updateClipUrl(KUrl url, const QString &hash)
98 m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
102 QPixmap KThumb::getImage(KUrl url, int width, int height)
104 if (url.isEmpty()) return QPixmap();
105 return getImage(url, 0, width, height);
108 void KThumb::extractImage(QList <int>frames)
110 if (!KdenliveSettings::videothumbnails() || m_producer == NULL) return;
111 m_clipManager->requestThumbs(m_id, frames);
115 void KThumb::getThumb(int frame)
117 const int theight = KdenliveSettings::trackheight();
118 const int swidth = (int)(theight * m_ratio + 0.5);
119 const int dwidth = (int)(theight * m_dar + 0.5);
120 QImage img = getProducerFrame(frame, swidth, dwidth, theight);
121 emit thumbReady(frame, img);
124 void KThumb::getGenericThumb(int frame, int height, int type)
126 const int swidth = (int)(height * m_ratio + 0.5);
127 const int dwidth = (int)(height * m_dar + 0.5);
128 QImage img = getProducerFrame(frame, swidth, dwidth, height);
129 m_clipManager->projectTreeThumbReady(m_id, frame, img, type);
132 QImage KThumb::extractImage(int frame, int width, int height)
134 if (m_producer == NULL) {
135 QImage img(width, height, QImage::Format_ARGB32_Premultiplied);
136 img.fill(QColor(Qt::black).rgb());
139 return getProducerFrame(frame, (int) (height * m_ratio + 0.5), width, height);
143 QPixmap KThumb::getImage(KUrl url, int frame, int width, int height)
145 Mlt::Profile profile(KdenliveSettings::current_profile().toUtf8().constData());
146 QPixmap pix(width, height);
147 if (url.isEmpty()) return pix;
148 Mlt::Producer *producer = new Mlt::Producer(profile, url.path().toUtf8().constData());
149 double swidth = (double) profile.width() / profile.height();
150 pix = QPixmap::fromImage(getFrame(producer, frame, (int) (height * swidth + 0.5), width, height));
156 QImage KThumb::getProducerFrame(int framepos, int frameWidth, int displayWidth, int height)
158 if (m_producer == NULL || !m_producer->is_valid()) {
159 QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
160 p.fill(QColor(Qt::red).rgb());
163 if (m_producer->is_blank()) {
164 QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
165 p.fill(QColor(Qt::black).rgb());
168 QMutexLocker lock(&m_mutex);
169 m_producer->seek(framepos);
170 Mlt::Frame *frame = m_producer->get_frame();
171 QImage p = getFrame(frame, frameWidth, displayWidth, height);
177 QImage KThumb::getFrame(Mlt::Producer *producer, int framepos, int frameWidth, int displayWidth, int height)
179 if (producer == NULL || !producer->is_valid()) {
180 QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
181 p.fill(QColor(Qt::red).rgb());
184 if (producer->is_blank()) {
185 QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
186 p.fill(QColor(Qt::black).rgb());
190 producer->seek(framepos);
191 Mlt::Frame *frame = producer->get_frame();
192 frame->set("rescale.interp", "nearest");
193 frame->set("deinterlace_method", "onefield");
194 frame->set("top_field_first", -1 );
195 QImage p = getFrame(frame, frameWidth, displayWidth, height);
202 QImage KThumb::getFrame(Mlt::Frame *frame, int frameWidth, int displayWidth, int height)
204 QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
205 if (frame == NULL || !frame->is_valid()) {
206 p.fill(QColor(Qt::red).rgb());
212 mlt_image_format format = mlt_image_rgb24a;
213 //frame->set("progressive", "1");
214 if (ow % 2 == 1) ow++;
215 QImage image(ow, oh, QImage::Format_ARGB32_Premultiplied);
216 const uchar* imagedata = frame->get_image(format, ow, oh);
217 memcpy(image.bits(), imagedata, ow * oh * 4);//.byteCount());
219 //const uchar* imagedata = frame->get_image(format, ow, oh);
220 //QImage image(imagedata, ow, oh, QImage::Format_ARGB32_Premultiplied);
222 if (!image.isNull()) {
223 if (ow > (2 * displayWidth)) {
224 // there was a scaling problem, do it manually
225 image = image.scaled(displayWidth, height).rgbSwapped();
227 image = image.scaled(displayWidth, height, Qt::IgnoreAspectRatio).rgbSwapped();
229 p.fill(QColor(100, 100, 100, 70).rgba());
230 QPainter painter(&p);
231 painter.drawImage(p.rect(), image);
234 p.fill(QColor(Qt::red).rgb());
239 uint KThumb::imageVariance(QImage image )
243 uint bytes = image.numBytes();
244 uint STEPS = bytes/2;
245 QVarLengthArray<uchar> pivot(STEPS);
246 const uchar *bits=image.bits();
247 // First pass: get pivots and taking average
248 for( uint i=0; i<STEPS ; i++ ){
249 pivot[i] = bits[2 * i];
250 #if QT_VERSION >= 0x040700
258 // Second Step: calculate delta (average?)
259 for (uint i=0; i<STEPS; i++)
261 #if QT_VERSION >= 0x040700
262 int curdelta=abs(int(avg - pivot.at(i)));
264 int curdelta=abs(int(avg - pivot[i]));
275 void KThumb::getImage(KUrl url, int frame, int width, int height)
277 if (url.isEmpty()) return;
278 QPixmap image(width, height);
279 Mlt::Producer m_producer(url.path().toUtf8().constData());
280 image.fill(Qt::black);
282 if (m_producer.is_blank()) {
283 emit thumbReady(frame, image);
286 Mlt::Filter m_convert("avcolour_space");
287 m_convert.set("forced", mlt_image_rgb24a);
288 m_producer.attach(m_convert);
289 m_producer.seek(frame);
290 Mlt::Frame * m_frame = m_producer.get_frame();
291 mlt_image_format format = mlt_image_rgb24a;
294 if (m_frame && m_frame->is_valid()) {
295 uint8_t *thumb = m_frame->get_image(format, width, height);
296 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
297 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width + 2, height + 2);
299 if (m_frame) delete m_frame;
300 emit thumbReady(frame, image);
303 void KThumb::getThumbs(KUrl url, int startframe, int endframe, int width, int height)
305 if (url.isEmpty()) return;
306 QPixmap image(width, height);
307 Mlt::Producer m_producer(url.path().toUtf8().constData());
308 image.fill(QColor(Qt::black).rgb());
310 if (m_producer.is_blank()) {
311 emit thumbReady(startframe, image);
312 emit thumbReady(endframe, image);
315 Mlt::Filter m_convert("avcolour_space");
316 m_convert.set("forced", mlt_image_rgb24a);
317 m_producer.attach(m_convert);
318 m_producer.seek(startframe);
319 Mlt::Frame * m_frame = m_producer.get_frame();
320 mlt_image_format format = mlt_image_rgb24a;
324 if (m_frame && m_frame->is_valid()) {
325 uint8_t *thumb = m_frame->get_image(format, width, height);
326 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
327 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
329 if (m_frame) delete m_frame;
330 emit thumbReady(startframe, image);
332 image.fill(Qt::black);
333 m_producer.seek(endframe);
334 m_frame = m_producer.get_frame();
336 if (m_frame && m_frame->is_valid()) {
337 uint8_t *thumb = m_frame->get_image(format, width, height);
338 QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
339 if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
341 if (m_frame) delete m_frame;
342 emit thumbReady(endframe, image);
346 void KThumb::slotCreateAudioThumbs()
348 m_clipManager->askForAudioThumb(m_id);
351 #if KDE_IS_VERSION(4,5,0)
352 void KThumb::queryIntraThumbs(QList <int> missingFrames)
354 foreach (int i, missingFrames) {
355 if (!m_intraFramesQueue.contains(i)) m_intraFramesQueue.append(i);
357 qSort(m_intraFramesQueue);
358 if (!m_intra.isRunning()) {
359 m_intra = QtConcurrent::run(this, &KThumb::slotGetIntraThumbs);
363 void KThumb::slotGetIntraThumbs()
365 const int theight = KdenliveSettings::trackheight();
366 const int frameWidth = (int)(theight * m_ratio + 0.5);
367 const int displayWidth = (int)(theight * m_dar + 0.5);
368 QString path = m_url.path() + '_';
369 bool addedThumbs = false;
371 while (!m_intraFramesQueue.isEmpty()) {
372 int pos = m_intraFramesQueue.takeFirst();
373 if (!m_clipManager->pixmapCache->contains(path + QString::number(pos))) {
374 if (m_clipManager->pixmapCache->insertImage(path + QString::number(pos), getProducerFrame(pos, frameWidth, displayWidth, theight))) {
377 else kDebug()<<"// INSERT FAILD FOR: "<<pos;
379 m_intraFramesQueue.removeAll(pos);
381 if (addedThumbs) emit thumbsCached();
384 QImage KThumb::findCachedThumb(const QString &path)
387 m_clipManager->pixmapCache->findImage(path, &img);
392 #include "kthumb.moc"