begin : Fri Nov 22 2002
copyright : (C) 2002 by Jason Wood
email : jasonwood@blueyonder.co.uk
- copyright : (C) 2005 Lcio Fl�io Corr�
+ copyright : (C) 2005 Lcio Fl�io Corr�
email : lucio.correa@gmail.com
copyright : (C) Marco Gittler
email : g.marco@freenet.de
* *
***************************************************************************/
-#include <qapplication.h>
+#include "kthumb.h"
+#include "clipmanager.h"
+#include "renderer.h"
+#include "kdenlivesettings.h"
+
+#include <mlt++/Mlt.h>
#include <kio/netaccess.h>
#include <kdebug.h>
#include <klocale.h>
-#include <kdenlivesettings.h>
#include <kfileitem.h>
#include <kmessagebox.h>
-
-#include <mlt++/Mlt.h>
+#include <KStandardDirs>
#include <qxml.h>
-#include <qimage.h>
-
-#include <QThread>
+#include <QImage>
#include <QApplication>
-#include <QCryptographicHash>
+#include <QtConcurrentRun>
+#include <QVarLengthArray>
+#include <QPainter>
+
+KThumb::KThumb(ClipManager *clipManager, const KUrl &url, const QString &id, const QString &hash, QObject * parent) :
+ QObject(parent),
+ m_url(url),
+ m_thumbFile(),
+ m_dar(1),
+ m_ratio(1),
+ m_producer(NULL),
+ m_clipManager(clipManager),
+ m_id(id)
+{
+ m_thumbFile = clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
+}
+KThumb::~KThumb()
+{
+ if (m_producer) m_clipManager->stopThumbs(m_id);
+ m_producer = NULL;
+ m_intraFramesQueue.clear();
+ m_intra.waitForFinished();
+}
-#include "renderer.h"
-#include "kthumb.h"
-#include "kdenlivesettings.h"
+void KThumb::setProducer(Mlt::Producer *producer)
+{
+ if (m_producer) m_clipManager->stopThumbs(m_id);
+ m_intraFramesQueue.clear();
+ m_intra.waitForFinished();
+ QMutexLocker lock(&m_mutex);
+ m_producer = producer;
+ // FIXME: the profile() call leaks an object, but trying to free
+ // it leads to a double-free in Profile::~Profile()
+ if (producer) {
+ Mlt::Profile *profile = producer->profile();
+ m_dar = profile->dar();
+ m_ratio = (double) profile->width() / profile->height();
+ }
+}
-void MyThread::init(KUrl url, QString target, double frame, double frameLength, int frequency, int channels, int arrayWidth)
- {
- stop_me = false;
- m_isWorking = false;
- f.setFileName(target);
- m_url = url;
- m_frame = frame;
- m_frameLength = frameLength;
- m_frequency = frequency;
- m_channels = channels;
- m_arrayWidth = arrayWidth;
+void KThumb::clearProducer()
+{
+ if (m_producer) setProducer(NULL);
+}
- }
+bool KThumb::hasProducer() const
+{
+ return m_producer != NULL;
+}
- bool MyThread::isWorking()
- {
- return m_isWorking;
- }
+void KThumb::updateThumbUrl(const QString &hash)
+{
+ m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
+}
- void MyThread::run()
- {
- if (!f.open( QIODevice::WriteOnly )) {
- kDebug()<<"++++++++ ERROR WRITING TO FILE: "<<f.fileName()<<endl;
- kDebug()<<"++++++++ DISABLING AUDIO THUMBS"<<endl;
- //TODO KdenliveSettings::setAudiothumbnails(false);
- return;
- }
- m_isWorking = true;
- Mlt::Profile prof((char*) KdenliveSettings::current_profile().data());
- Mlt::Producer m_producer(prof, m_url.path().toAscii().data());
-
-
- /*TODO if (KdenliveSettings::normaliseaudiothumbs()) {
- Mlt::Filter m_convert("volume");
- m_convert.set("gain", "normalise");
- m_producer.attach(m_convert);
- }*/
-
- /*TODO if (qApp->mainWidget())
- QApplication::postEvent(qApp->mainWidget(), new ProgressEvent(-1, 10005));
- */
- int last_val = 0;
- int val = 0;
- for (int z=(int) m_frame;z<(int) (m_frame+m_frameLength) && m_producer.is_valid();z++){
- if (stop_me) break;
- val=(int)((z-m_frame)/(m_frame+m_frameLength)*100.0);
- if (last_val!=val & val > 1){
- //TODO QApplication::postEvent(qApp->mainWidget(), new ProgressEvent(val, 10005));
- last_val=val;
- }
- m_producer.seek( z );
- Mlt::Frame *mlt_frame = m_producer.get_frame();
- if ( mlt_frame->is_valid() )
- {
- double m_framesPerSecond = mlt_producer_get_fps( m_producer.get_producer() ); //mlt_frame->get_double( "fps" );
- int m_samples = mlt_sample_calculator( m_framesPerSecond, m_frequency, mlt_frame_get_position(mlt_frame->get_frame()) );
- mlt_audio_format m_audioFormat = mlt_audio_pcm;
-
- int16_t* m_pcm = mlt_frame->get_audio(m_audioFormat, m_frequency, m_channels, m_samples );
-
- for (int c=0;c< m_channels;c++){
- QByteArray m_array;
- m_array.resize(m_arrayWidth);
- for (uint i = 0; i < m_array.size(); i++){
- m_array[i] = qAbs((*( m_pcm + c + i * m_samples / m_array.size() ))>>8);
- }
- f.write(m_array);
- }
- } else{
- f.write(QByteArray(m_arrayWidth,'\x00'));
- }
- if (mlt_frame)
- delete mlt_frame;
- }
- f.close();
- m_isWorking = false;
- if (stop_me) {
- f.remove();
- //TODO QApplication::postEvent(qApp->mainWidget(), new ProgressEvent(-1, 10005));
- }
- //TODO else QApplication::postEvent(qApp->mainWidget(), new ProgressEvent(0, 10005));
- }
+void KThumb::updateClipUrl(const KUrl &url, const QString &hash)
+{
+ m_url = url;
+ m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
+}
+//static
+QPixmap KThumb::getImage(const KUrl& url, int width, int height)
+{
+ if (url.isEmpty()) return QPixmap();
+ return getImage(url, 0, width, height);
+}
-#define _S(a) (a)>255 ? 255 : (a)<0 ? 0 : (a)
-#define _R(y,u,v) (0x2568*(y) + 0x3343*(u)) /0x2000
-#define _G(y,u,v) (0x2568*(y) - 0x0c92*(v) - 0x1a1e*(u)) /0x2000
-#define _B(y,u,v) (0x2568*(y) + 0x40cf*(v)) /0x2000
+void KThumb::extractImage(const QList<int> &frames)
+{
+ if (!KdenliveSettings::videothumbnails() || m_producer == NULL) return;
+ m_clipManager->slotRequestThumbs(m_id, frames);
+}
-KThumb::KThumb(KUrl url, int width, int height, QObject * parent, const char *name):QObject(parent), m_url(url), m_width(width), m_height(height)
+
+void KThumb::getThumb(int frame)
{
- kDebug()<<"+++++++++++ CREATING THMB PROD FOR: "<<url;
- m_profile = new Mlt::Profile((char*) qstrdup(KdenliveSettings::current_profile().toUtf8()));
+ const int theight = Kdenlive::DefaultThumbHeight;
+ const int swidth = (int)(theight * m_ratio + 0.5);
+ const int dwidth = (int)(theight * m_dar + 0.5);
+ QImage img = getProducerFrame(frame, swidth, dwidth, theight);
+ emit thumbReady(frame, img);
}
-KThumb::~KThumb()
+void KThumb::getGenericThumb(int frame, int height, int type)
{
- if (m_profile) delete m_profile;
- //if (thumbProducer.running ()) thumbProducer.exit();
+ const int swidth = (int)(height * m_ratio + 0.5);
+ const int dwidth = (int)(height * m_dar + 0.5);
+ QImage img = getProducerFrame(frame, swidth, dwidth, height);
+ m_clipManager->projectTreeThumbReady(m_id, frame, img, type);
}
+QImage KThumb::extractImage(int frame, int width, int height)
+{
+ if (m_producer == NULL) {
+ QImage img(width, height, QImage::Format_ARGB32_Premultiplied);
+ img.fill(QColor(Qt::black).rgb());
+ return img;
+ }
+ return getProducerFrame(frame, (int) (height * m_ratio + 0.5), width, height);
+}
//static
-QPixmap KThumb::getImage(KUrl url, int width, int height)
+QPixmap KThumb::getImage(const KUrl& url, int frame, int width, int height)
{
- if (url.isEmpty()) return QPixmap();
+ Mlt::Profile profile(KdenliveSettings::current_profile().toUtf8().constData());
QPixmap pix(width, height);
- kDebug()<<"+++++++++++ GET THMB IMG FOR: "<<url;
- char *tmp = Render::decodedString(url.path());
- Mlt::Profile prof((char*) KdenliveSettings::current_profile().data());
- Mlt::Producer m_producer(prof, tmp);
- delete tmp;
+ if (url.isEmpty()) return pix;
+ Mlt::Producer *producer = new Mlt::Producer(profile, url.path().toUtf8().constData());
+ double swidth = (double) profile.width() / profile.height();
+ pix = QPixmap::fromImage(getFrame(producer, frame, (int) (height * swidth + 0.5), width, height));
+ delete producer;
+ return pix;
+}
- if (m_producer.is_blank()) {
- pix.fill(Qt::black);
- return pix;
+
+QImage KThumb::getProducerFrame(int framepos, int frameWidth, int displayWidth, int height)
+{
+ if (m_producer == NULL || !m_producer->is_valid()) {
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ p.fill(QColor(Qt::red).rgb());
+ return p;
}
- Mlt::Frame * m_frame;
- mlt_image_format format = mlt_image_rgb24a;
- Mlt::Filter m_convert(prof, "avcolour_space");
- m_convert.set("forced", mlt_image_rgb24a);
- m_producer.attach(m_convert);
- //m_producer.seek(frame);
- m_frame = m_producer.get_frame();
- if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, width, height);
- QImage image(thumb, width, height, QImage::Format_ARGB32);
- if (!image.isNull()) {
- pix = pix.fromImage(image);
- }
- else pix.fill(Qt::black);
+ if (m_producer->is_blank()) {
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ p.fill(QColor(Qt::black).rgb());
+ return p;
}
- if (m_frame) delete m_frame;
- return pix;
+ QMutexLocker lock(&m_mutex);
+ m_producer->seek(framepos);
+ Mlt::Frame *frame = m_producer->get_frame();
+ /*frame->set("rescale.interp", "nearest");
+ frame->set("deinterlace_method", "onefield");
+ frame->set("top_field_first", -1 );*/
+ QImage p = getFrame(frame, frameWidth, displayWidth, height);
+ delete frame;
+ return p;
}
-void KThumb::extractImage(int frame, int frame2)
+//static
+QImage KThumb::getFrame(Mlt::Producer *producer, int framepos, int frameWidth, int displayWidth, int height)
{
- if (m_url.isEmpty()) return;
- QPixmap pix(m_width, m_height);
- char *tmp = Render::decodedString(m_url.path());
- Mlt::Producer m_producer(*m_profile, tmp);
- delete tmp;
+ if (producer == NULL || !producer->is_valid()) {
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ p.fill(QColor(Qt::red).rgb());
+ return p;
+ }
+ if (producer->is_blank()) {
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ p.fill(QColor(Qt::black).rgb());
+ return p;
+ }
- if (m_producer.is_blank()) {
- pix.fill(Qt::black);
- emit thumbReady(frame, pix);
- return;
+ producer->seek(framepos);
+ Mlt::Frame *frame = producer->get_frame();
+ frame->set("rescale.interp", "nearest");
+ frame->set("deinterlace_method", "onefield");
+ frame->set("top_field_first", -1 );
+ const QImage p = getFrame(frame, frameWidth, displayWidth, height);
+ delete frame;
+ return p;
+}
+
+
+//static
+QImage KThumb::getFrame(Mlt::Frame *frame, int frameWidth, int displayWidth, int height)
+{
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ if (frame == NULL || !frame->is_valid()) {
+ p.fill(QColor(Qt::red).rgb());
+ return p;
}
- Mlt::Frame * m_frame;
+
+ int ow = frameWidth;
+ int oh = height;
mlt_image_format format = mlt_image_rgb24a;
- Mlt::Filter m_convert(*m_profile, "avcolour_space");
- m_convert.set("forced", mlt_image_rgb24a);
- m_producer.attach(m_convert);
- if (frame != -1) {
- m_producer.seek(frame);
- m_frame = m_producer.get_frame();
- if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, m_width, m_height);
- QImage image(thumb, m_width, m_height, QImage::Format_ARGB32);
- if (!image.isNull()) {
- pix = pix.fromImage(image);
- }
- else pix.fill(Qt::black);
- }
- if (m_frame) delete m_frame;
- emit thumbReady(frame, pix);
+ //frame->set("progressive", "1");
+ if (ow % 2 == 1) ow++;
+ QImage image(ow, oh, QImage::Format_ARGB32_Premultiplied);
+ const uchar* imagedata = frame->get_image(format, ow, oh);
+ memcpy(image.bits(), imagedata, ow * oh * 4);//.byteCount());
+
+ //const uchar* imagedata = frame->get_image(format, ow, oh);
+ //QImage image(imagedata, ow, oh, QImage::Format_ARGB32_Premultiplied);
+
+ if (!image.isNull()) {
+ if (ow > (2 * displayWidth)) {
+ // there was a scaling problem, do it manually
+ image = image.scaled(displayWidth, height).rgbSwapped();
+ } else {
+ image = image.scaled(displayWidth, height, Qt::IgnoreAspectRatio).rgbSwapped();
+ }
+#if QT_VERSION >= 0x040800
+ p.fill(QColor(100, 100, 100, 70));
+ QPainter painter(&p);
+#else
+ p.fill(Qt::transparent);
+ QPainter painter(&p);
+ painter.fillRect(p.rect(), QColor(100, 100, 100, 70));
+#endif
+ painter.drawImage(p.rect(), image);
+ painter.end();
+ } else
+ p.fill(QColor(Qt::red).rgb());
+ return p;
+}
+
+//static
+uint KThumb::imageVariance(const QImage &image )
+{
+ uint delta = 0;
+ uint avg = 0;
+ uint bytes = image.numBytes();
+ uint STEPS = bytes/2;
+ QVarLengthArray<uchar> pivot(STEPS);
+ const uchar *bits=image.bits();
+ // First pass: get pivots and taking average
+ for( uint i=0; i<STEPS ; ++i ){
+ pivot[i] = bits[2 * i];
+#if QT_VERSION >= 0x040700
+ avg+=pivot.at(i);
+#else
+ avg+=pivot[i];
+#endif
}
- if (frame2 == -1) return;
- m_producer.seek(frame2);
- m_frame = m_producer.get_frame();
- if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, m_width, m_height);
- QImage image(thumb, m_width, m_height, QImage::Format_ARGB32);
- if (!image.isNull()) {
- pix = pix.fromImage(image);
- }
- else pix.fill(Qt::black);
+ if (STEPS)
+ avg=avg/STEPS;
+ // Second Step: calculate delta (average?)
+ for (uint i=0; i<STEPS; ++i)
+ {
+#if QT_VERSION >= 0x040700
+ int curdelta=abs(int(avg - pivot.at(i)));
+#else
+ int curdelta=abs(int(avg - pivot[i]));
+#endif
+ delta+=curdelta;
}
- if (m_frame) delete m_frame;
- emit thumbReady(frame2, pix);
-
+ if (STEPS)
+ return delta/STEPS;
+ else
+ return 0;
}
+
/*
void KThumb::getImage(KUrl url, int frame, int width, int height)
{
if (url.isEmpty()) return;
QPixmap image(width, height);
- char *tmp = KRender::decodedString(url.path());
- Mlt::Producer m_producer(tmp);
- delete tmp;
+ Mlt::Producer m_producer(url.path().toUtf8().constData());
image.fill(Qt::black);
if (m_producer.is_blank()) {
- emit thumbReady(frame, image);
- return;
+ emit thumbReady(frame, image);
+ return;
}
Mlt::Filter m_convert("avcolour_space");
m_convert.set("forced", mlt_image_rgb24a);
width = width - 2;
height = height - 2;
if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, width, height);
- QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
- if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width + 2, height + 2);
+ uint8_t *thumb = m_frame->get_image(format, width, height);
+ QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
+ if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width + 2, height + 2);
}
if (m_frame) delete m_frame;
emit thumbReady(frame, image);
{
if (url.isEmpty()) return;
QPixmap image(width, height);
- char *tmp = KRender::decodedString(url.path());
- Mlt::Producer m_producer(tmp);
- delete tmp;
- image.fill(Qt::black);
+ Mlt::Producer m_producer(url.path().toUtf8().constData());
+ image.fill(QColor(Qt::black).rgb());
if (m_producer.is_blank()) {
- emit thumbReady(startframe, image);
- emit thumbReady(endframe, image);
- return;
+ emit thumbReady(startframe, image);
+ emit thumbReady(endframe, image);
+ return;
}
Mlt::Filter m_convert("avcolour_space");
m_convert.set("forced", mlt_image_rgb24a);
height = height - 2;
if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, width, height);
- QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
- if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
+ uint8_t *thumb = m_frame->get_image(format, width, height);
+ QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
+ if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
}
if (m_frame) delete m_frame;
emit thumbReady(startframe, image);
m_frame = m_producer.get_frame();
if (m_frame && m_frame->is_valid()) {
- uint8_t *thumb = m_frame->get_image(format, width, height);
- QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
- if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
+ uint8_t *thumb = m_frame->get_image(format, width, height);
+ QImage tmpimage(thumb, width, height, 32, NULL, 0, QImage::IgnoreEndian);
+ if (!tmpimage.isNull()) bitBlt(&image, 1, 1, &tmpimage, 0, 0, width - 2, height - 2);
}
if (m_frame) delete m_frame;
emit thumbReady(endframe, image);
}
*/
-void KThumb::stopAudioThumbs()
+
+void KThumb::slotCreateAudioThumbs()
{
- if (thumbProducer.isRunning ()) thumbProducer.stop_me = true;
+ m_clipManager->askForAudioThumb(m_id);
}
-
-void KThumb::removeAudioThumb()
+#if KDE_IS_VERSION(4,5,0)
+void KThumb::queryIntraThumbs(const QList <int> &missingFrames)
{
- if (m_thumbFile.isEmpty()) return;
- stopAudioThumbs();
- QFile f(m_thumbFile);
- f.remove();
+ foreach (int i, missingFrames) {
+ if (!m_intraFramesQueue.contains(i)) m_intraFramesQueue.append(i);
+ }
+ qSort(m_intraFramesQueue);
+ if (!m_intra.isRunning()) {
+ m_intra = QtConcurrent::run(this, &KThumb::slotGetIntraThumbs);
+ }
}
-void KThumb::getAudioThumbs(KUrl url, int channel, double frame, double frameLength, int arrayWidth){
- if ((thumbProducer.isRunning () && thumbProducer.isWorking()) || channel == 0) {
- return;
- }
-
- QMap <int, QMap <int, QByteArray> > storeIn;
- //FIXME: Hardcoded!!!
- int m_frequency = 48000;
- int m_channels = channel;
- if (m_url != url) {
- m_url = url;
- QCryptographicHash context(QCryptographicHash::Sha1);
- context.addData((KFileItem(m_url,"text/plain", S_IFREG).timeString() + m_url.fileName()).toAscii().data());
-
- m_thumbFile = KdenliveSettings::currenttmpfolder() + context.result().toHex() + ".thumb";
- }
- QFile f(m_thumbFile);
- if (f.open( QIODevice::ReadOnly )) {
- QByteArray channelarray = f.readAll();
- f.close();
- if (channelarray.size() != arrayWidth*(frame+frameLength)*m_channels) {
- kDebug()<<"--- BROKEN THUMB FOR: "<<m_url.fileName()<<" ---------------------- "<<endl;
- f.remove();
- return;
- }
-
- for (int z=(int) frame;z<(int) (frame+frameLength);z++) {
- for (int c=0;c< m_channels;c++){
- QByteArray m_array;
- m_array.resize(arrayWidth);
- for (int i = 0; i < arrayWidth; i++)
- m_array[i] = channelarray[z*arrayWidth*m_channels + c*arrayWidth + i];
- storeIn[z][c] = m_array;
- }
- }
- emit audioThumbReady(storeIn);
- }
- else {
- if (thumbProducer.isRunning()) return;
- thumbProducer.init(m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
- thumbProducer.start(QThread::LowestPriority );
- }
+void KThumb::slotGetIntraThumbs()
+{
+ const int theight = KdenliveSettings::trackheight();
+ const int frameWidth = (int)(theight * m_ratio + 0.5);
+ const int displayWidth = (int)(theight * m_dar + 0.5);
+ QString path = m_url.path() + '_';
+ bool addedThumbs = false;
+
+ while (!m_intraFramesQueue.isEmpty()) {
+ int pos = m_intraFramesQueue.takeFirst();
+ if (!m_clipManager->pixmapCache->contains(path + QString::number(pos))) {
+ if (m_clipManager->pixmapCache->insertImage(path + QString::number(pos), getProducerFrame(pos, frameWidth, displayWidth, theight))) {
+ addedThumbs = true;
+ }
+ else kDebug()<<"// INSERT FAILD FOR: "<<pos;
+ }
+ m_intraFramesQueue.removeAll(pos);
+ }
+ if (addedThumbs) emit thumbsCached();
}
+QImage KThumb::findCachedThumb(const QString &path)
+{
+ QImage img;
+ m_clipManager->pixmapCache->findImage(path, &img);
+ return img;
+}
+#endif
+#include "kthumb.moc"