#include <QApplication>
#include <QtConcurrentRun>
#include <QVarLengthArray>
+#include <QPainter>
+#include <QGLWidget>
-KThumb::KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent, const char */*name*/) :
+KThumb::KThumb(ClipManager *clipManager, const KUrl &url, const QString &id, const QString &hash, QObject * parent) :
QObject(parent),
- m_audioThumbProducer(),
m_url(url),
m_thumbFile(),
m_dar(1),
m_ratio(1),
m_producer(NULL),
m_clipManager(clipManager),
- m_id(id),
- m_stopAudioThumbs(false)
+ m_id(id)
{
m_thumbFile = clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
}
KThumb::~KThumb()
{
- m_listMutex.lock();
- m_requestedThumbs.clear();
- m_listMutex.unlock();
+ if (m_producer) m_clipManager->stopThumbs(m_id);
+ m_producer = NULL;
m_intraFramesQueue.clear();
- if (m_audioThumbProducer.isRunning()) {
- m_stopAudioThumbs = true;
- m_audioThumbProducer.waitForFinished();
- slotAudioThumbOver();
- }
- m_future.waitForFinished();
m_intra.waitForFinished();
}
void KThumb::setProducer(Mlt::Producer *producer)
{
- m_listMutex.lock();
- m_requestedThumbs.clear();
- m_listMutex.unlock();
+ if (m_producer) m_clipManager->stopThumbs(m_id);
m_intraFramesQueue.clear();
- m_future.waitForFinished();
m_intra.waitForFinished();
- m_mutex.lock();
+ 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) {
- m_dar = producer->profile()->dar();
- m_ratio = (double) producer->profile()->width() / producer->profile()->height();
+ Mlt::Profile *profile = producer->profile();
+ m_dar = profile->dar();
+ m_ratio = (double) profile->width() / profile->height();
}
- m_mutex.unlock();
}
void KThumb::clearProducer()
{
- setProducer(NULL);
+ if (m_producer) setProducer(NULL);
}
bool KThumb::hasProducer() const
m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
}
-void KThumb::updateClipUrl(KUrl url, const QString &hash)
+void KThumb::updateClipUrl(const KUrl &url, const QString &hash)
{
m_url = url;
m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
}
//static
-QPixmap KThumb::getImage(KUrl url, int width, int height)
+QPixmap KThumb::getImage(const KUrl& url, int width, int height)
{
if (url.isEmpty()) return QPixmap();
return getImage(url, 0, width, height);
}
-void KThumb::extractImage(int frame, int frame2)
+void KThumb::extractImage(const QList<int> &frames)
{
if (!KdenliveSettings::videothumbnails() || m_producer == NULL) return;
- m_listMutex.lock();
- if (frame != -1 && !m_requestedThumbs.contains(frame)) m_requestedThumbs.append(frame);
- if (frame2 != -1 && !m_requestedThumbs.contains(frame2)) m_requestedThumbs.append(frame2);
- qSort(m_requestedThumbs);
- m_listMutex.unlock();
- if (!m_future.isRunning()) {
- m_future = QtConcurrent::run(this, &KThumb::doGetThumbs);
- }
+ m_clipManager->slotRequestThumbs(m_id, frames);
}
-void KThumb::doGetThumbs()
+
+void KThumb::getThumb(int frame)
{
- const int theight = KdenliveSettings::trackheight();
+ 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);
+}
- while (!m_requestedThumbs.isEmpty()) {
- m_listMutex.lock();
- int frame = m_requestedThumbs.takeFirst();
- m_listMutex.unlock();
- if (frame != -1) {
- QImage img = getProducerFrame(frame, swidth, dwidth, theight);
- emit thumbReady(frame, img);
- }
- }
+void KThumb::getGenericThumb(int frame, int height, int type)
+{
+ 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);
}
-QPixmap KThumb::extractImage(int frame, int width, int height)
+QImage KThumb::extractImage(int frame, int width, int height)
{
if (m_producer == NULL) {
- QPixmap p(width, height);
- p.fill(Qt::black);
- return p;
+ QImage img(width, height, QImage::Format_ARGB32_Premultiplied);
+ img.fill(QColor(Qt::black).rgb());
+ return img;
}
- QImage img = getProducerFrame(frame, (int) (height * m_ratio + 0.5), width, height);
- return QPixmap::fromImage(img);
+ return getProducerFrame(frame, (int) (height * m_ratio + 0.5), width, height);
}
//static
-QPixmap KThumb::getImage(KUrl url, int frame, int width, int height)
+QPixmap KThumb::getImage(const KUrl& url, int frame, int width, int height)
{
Mlt::Profile profile(KdenliveSettings::current_profile().toUtf8().constData());
QPixmap pix(width, height);
if (url.isEmpty()) return pix;
-
- //"<mlt><playlist><producer resource=\"" + url.path() + "\" /></playlist></mlt>");
- //Mlt::Producer producer(profile, "xml-string", tmp);
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));
p.fill(QColor(Qt::black).rgb());
return p;
}
- m_mutex.lock();
+ 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;
- m_mutex.unlock();
return p;
}
producer->seek(framepos);
Mlt::Frame *frame = producer->get_frame();
- QImage p = getFrame(frame, frameWidth, displayWidth, height);
+ 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;
}
p.fill(QColor(Qt::red).rgb());
return p;
}
-
+
int ow = frameWidth;
int oh = height;
mlt_image_format format = mlt_image_rgb24a;
-
+ //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);
- QImage image(imagedata, ow, oh, QImage::Format_ARGB32_Premultiplied);
+ if (imagedata == NULL) {
+ p.fill(QColor(Qt::red).rgb());
+ return p;
+ }
+ 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)) {
} else {
image = image.scaled(displayWidth, height, Qt::IgnoreAspectRatio).rgbSwapped();
}
- p.fill(QColor(Qt::black).rgb());
+#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
}
//static
-uint KThumb::imageVariance(QImage image )
+uint KThumb::imageVariance(const QImage &image )
{
uint delta = 0;
uint avg = 0;
QVarLengthArray<uchar> pivot(STEPS);
const uchar *bits=image.bits();
// First pass: get pivots and taking average
- for( uint i=0; i<STEPS ; i++ ){
+ for( uint i=0; i<STEPS ; ++i ){
pivot[i] = bits[2 * i];
#if QT_VERSION >= 0x040700
avg+=pivot.at(i);
avg+=pivot[i];
#endif
}
- avg=avg/STEPS;
+ if (STEPS)
+ avg=avg/STEPS;
// Second Step: calculate delta (average?)
- for (uint i=0; i<STEPS; i++)
+ for (uint i=0; i<STEPS; ++i)
{
#if QT_VERSION >= 0x040700
int curdelta=abs(int(avg - pivot.at(i)));
#endif
delta+=curdelta;
}
- return delta/STEPS;
+ if (STEPS)
+ return delta/STEPS;
+ else
+ return 0;
}
/*
if (url.isEmpty()) return;
QPixmap image(width, height);
Mlt::Producer m_producer(url.path().toUtf8().constData());
- image.fill(Qt::black);
+ image.fill(QColor(Qt::black).rgb());
if (m_producer.is_blank()) {
emit thumbReady(startframe, image);
emit thumbReady(endframe, image);
}
*/
-void KThumb::stopAudioThumbs()
-{
- if (m_audioThumbProducer.isRunning()) {
- m_stopAudioThumbs = true;
- m_audioThumbProducer.waitForFinished();
- slotAudioThumbOver();
- }
-}
-
-void KThumb::removeAudioThumb()
-{
- if (m_thumbFile.isEmpty()) return;
- stopAudioThumbs();
- QFile f(m_thumbFile);
- f.remove();
-}
-
-void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int arrayWidth)
-{
- if (channel == 0) {
- slotAudioThumbOver();
- return;
- }
- if (m_audioThumbProducer.isRunning()) {
- return;
- }
-
- audioByteArray storeIn;
- //FIXME: Hardcoded!!!
- m_frequency = 48000;
- m_channels = channel;
-
- QFile f(m_thumbFile);
- if (f.open(QIODevice::ReadOnly)) {
- const QByteArray channelarray = f.readAll();
- f.close();
- if (channelarray.size() != arrayWidth*(frame + frameLength)*m_channels) {
- kDebug() << "--- BROKEN THUMB FOR: " << m_url.fileName() << " ---------------------- " << endl;
- f.remove();
- slotAudioThumbOver();
- return;
- }
-
- kDebug() << "reading audio thumbs from file";
-
- int h1 = arrayWidth * m_channels;
- int h2 = (int) frame * h1;
- int h3;
- for (int z = (int) frame; z < (int)(frame + frameLength); z++) {
- h3 = 0;
- for (int c = 0; c < m_channels; c++) {
- QByteArray m_array(arrayWidth, '\x00');
- for (int i = 0; i < arrayWidth; i++) {
- m_array[i] = channelarray.at(h2 + h3 + i);
- }
- h3 += arrayWidth;
- storeIn[z][c] = m_array;
- }
- h2 += h1;
- }
- emit audioThumbReady(storeIn);
- slotAudioThumbOver();
- } else {
- if (m_audioThumbProducer.isRunning()) return;
- m_audioThumbFile.setFileName(m_thumbFile);
- m_frame = frame;
- m_frameLength = frameLength;
- m_arrayWidth = arrayWidth;
- m_audioThumbProducer = QtConcurrent::run(this, &KThumb::slotCreateAudioThumbs);
- /*m_audioThumbProducer.init(m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
- m_audioThumbProducer.start(QThread::LowestPriority);*/
- // kDebug() << "STARTING GENERATE THMB FOR: " <<m_id<<", URL: "<< m_url << " ................................";
- }
-}
void KThumb::slotCreateAudioThumbs()
{
- Mlt::Profile prof((char*) KdenliveSettings::current_profile().toUtf8().data());
- Mlt::Producer producer(prof, m_url.path().toUtf8().data());
- if (!producer.is_valid()) {
- kDebug() << "++++++++ INVALID CLIP: " << m_url.path();
- return;
- }
- if (!m_audioThumbFile.open(QIODevice::WriteOnly)) {
- kDebug() << "++++++++ ERROR WRITING TO FILE: " << m_audioThumbFile.fileName();
- kDebug() << "++++++++ DISABLING AUDIO THUMBS";
- KdenliveSettings::setAudiothumbnails(false);
- return;
- }
-
- if (KdenliveSettings::normaliseaudiothumbs()) {
- Mlt::Filter m_convert(prof, "volume");
- m_convert.set("gain", "normalise");
- producer.attach(m_convert);
- }
-
- int last_val = 0;
- int val = 0;
- //kDebug() << "for " << m_frame << " " << m_frameLength << " " << m_producer.is_valid();
- for (int z = (int) m_frame; z < (int)(m_frame + m_frameLength) && producer.is_valid(); z++) {
- if (m_stopAudioThumbs) break;
- val = (int)((z - m_frame) / (m_frame + m_frameLength) * 100.0);
- if (last_val != val && val > 1) {
- m_clipManager->setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), val);
- last_val = val;
- }
- producer.seek(z);
- Mlt::Frame *mlt_frame = producer.get_frame();
- if (mlt_frame && mlt_frame->is_valid()) {
- double m_framesPerSecond = mlt_producer_get_fps(producer.get_producer());
- 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;
- qint16* m_pcm = static_cast<qint16*>(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 (int i = 0; i < m_array.size(); i++) {
- m_array[i] = ((*(m_pcm + c + i * m_samples / m_array.size())) >> 9) + 127 / 2 ;
- }
- m_audioThumbFile.write(m_array);
-
- }
- } else {
- m_audioThumbFile.write(QByteArray(m_arrayWidth, '\x00'));
- }
- delete mlt_frame;
- }
- m_audioThumbFile.close();
- if (m_stopAudioThumbs) {
- m_audioThumbFile.remove();
- } else {
- slotAudioThumbOver();
- }
-}
-
-void KThumb::slotAudioThumbOver()
-{
- m_clipManager->setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), -1);
- m_clipManager->endAudioThumbsGeneration(m_id);
-}
-
-void KThumb::askForAudioThumbs(const QString &id)
-{
- m_clipManager->askForAudioThumb(id);
+ m_clipManager->askForAudioThumb(m_id);
}
#if KDE_IS_VERSION(4,5,0)
-void KThumb::queryIntraThumbs(QList <int> missingFrames)
+void KThumb::queryIntraThumbs(const QList <int> &missingFrames)
{
foreach (int i, missingFrames) {
if (!m_intraFramesQueue.contains(i)) m_intraFramesQueue.append(i);
void KThumb::slotGetIntraThumbs()
{
+ // We are in a new thread, so we need a new OpenGL context for the remainder of the function.
+ QGLWidget ctx(0, m_clipManager->getMainContext());
+ ctx.makeCurrent();
+
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() + "_";
+ QString path = m_url.path() + '_';
bool addedThumbs = false;
while (!m_intraFramesQueue.isEmpty()) {
if (addedThumbs) emit thumbsCached();
}
-QImage KThumb::findCachedThumb(const QString path)
+QImage KThumb::findCachedThumb(const QString &path)
{
QImage img;
m_clipManager->pixmapCache->findImage(path, &img);
projects / kdenlive / blobdiff