#include <qxml.h>
#include <QImage>
#include <QApplication>
+#include <QtConcurrentRun>
+#include <QVarLengthArray>
-void MyThread::init(QObject *parent, KUrl url, QString target, double frame, double frameLength, int frequency, int channels, int arrayWidth) {
- stop_me = false;
- m_parent = parent;
- m_isWorking = false;
- f.setFileName(target);
- m_url = url;
- m_frame = frame;
- m_frameLength = frameLength;
- m_frequency = frequency;
- m_channels = channels;
- m_arrayWidth = arrayWidth;
-}
-
-bool MyThread::isWorking() {
- return m_isWorking;
-}
-
-void MyThread::run() {
- if (!f.open(QIODevice::WriteOnly)) {
- kDebug() << "++++++++ ERROR WRITING TO FILE: " << f.fileName() << endl;
- kDebug() << "++++++++ DISABLING AUDIO THUMBS" << endl;
- KdenliveSettings::setAudiothumbnails(false);
- return;
- }
- m_isWorking = true;
- Mlt::Profile prof((char*) KdenliveSettings::current_profile().toUtf8().data());
- Mlt::Producer m_producer(prof, m_url.path().toUtf8().data());
-
-
- if (KdenliveSettings::normaliseaudiothumbs()) {
- Mlt::Filter m_convert(prof, "volume");
- m_convert.set("gain", "normalise");
- m_producer.attach(m_convert);
- }
-
- //QApplication::postEvent(m_parent, new ProgressEvent(-1, (QEvent::Type)10005));
-
- 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) && 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) {
- emit audioThumbProgress(val);
- //QApplication::postEvent(m_parent, new ProgressEvent(val, (QEvent::Type)10005));
-
- last_val = val;
- }
- m_producer.seek(z);
- Mlt::Frame *mlt_frame = m_producer.get_frame();
- if (mlt_frame && 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;
-
- qint16* 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] = ((*(m_pcm + c + i * m_samples / m_array.size())) >> 9) + 127 / 2 ;
- }
- f.write(m_array);
-
- }
- } else {
- f.write(QByteArray(m_arrayWidth, '\x00'));
- }
- if (mlt_frame)
- delete mlt_frame;
- }
- kDebug() << "done";
- f.close();
- m_isWorking = false;
- if (stop_me) {
- f.remove();
- }
- emit audioThumbOver();
- //QApplication::postEvent(m_parent, new ProgressEvent(-1, (QEvent::Type)10005));
-
-}
-
-KThumb::KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent, const char */*name*/)
- : QObject(parent),
- audioThumbProducer(),
+KThumb::KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent, const char */*name*/) :
+ 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_mainFrame(-1)
+ m_stopAudioThumbs(false)
{
m_thumbFile = clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
- connect(&audioThumbProducer, SIGNAL(audioThumbProgress(const int)), this, SLOT(slotAudioThumbProgress(const int)));
- connect(&audioThumbProducer, SIGNAL(audioThumbOver()), this, SLOT(slotAudioThumbOver()));
-
}
-KThumb::~KThumb() {
- if (audioThumbProducer.isRunning()) {
+KThumb::~KThumb()
+{
+ m_listMutex.lock();
+ m_requestedThumbs.clear();
+ m_listMutex.unlock();
+ m_intraFramesQueue.clear();
+ if (m_audioThumbProducer.isRunning()) {
+ m_stopAudioThumbs = true;
+ m_audioThumbProducer.waitForFinished();
slotAudioThumbOver();
- audioThumbProducer.stop_me = true;
- audioThumbProducer.wait(300);
}
+ m_future.waitForFinished();
+ m_intra.waitForFinished();
}
-void KThumb::setProducer(Mlt::Producer *producer) {
+void KThumb::setProducer(Mlt::Producer *producer)
+{
+ m_listMutex.lock();
+ m_requestedThumbs.clear();
+ m_listMutex.unlock();
+ m_intraFramesQueue.clear();
+ m_future.waitForFinished();
+ m_intra.waitForFinished();
+ m_mutex.lock();
m_producer = producer;
- m_dar = producer->profile()->dar();
+ // 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();
+ }
+ m_mutex.unlock();
}
-void KThumb::clearProducer() {
- m_producer = NULL;
+void KThumb::clearProducer()
+{
+ setProducer(NULL);
}
-bool KThumb::hasProducer() const {
+bool KThumb::hasProducer() const
+{
return m_producer != NULL;
}
-void KThumb::updateThumbUrl(const QString &hash) {
+void KThumb::updateThumbUrl(const QString &hash)
+{
m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
}
-void KThumb::updateClipUrl(KUrl url, const QString &hash) {
+void KThumb::updateClipUrl(KUrl url, const QString &hash)
+{
m_url = url;
- if (m_producer) {
- char *tmp = Render::decodedString(url.path());
- m_producer->set("resource", tmp);
- delete[] tmp;
- }
m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb";
}
//static
-QPixmap KThumb::getImage(KUrl url, int width, int height) {
+QPixmap KThumb::getImage(KUrl url, int width, int height)
+{
if (url.isEmpty()) return QPixmap();
return getImage(url, 0, width, height);
}
-void KThumb::extractImage(int frame, int frame2) {
- if (m_url.isEmpty() || !KdenliveSettings::videothumbnails() || m_producer == NULL) return;
+void KThumb::extractImage(int frame, int frame2)
+{
+ 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);
+ }
+}
- const int twidth = (int)(KdenliveSettings::trackheight() * m_dar);
+void KThumb::doGetThumbs()
+{
const int theight = KdenliveSettings::trackheight();
-
- mlt_image_format format = mlt_image_yuv422;
- if (m_producer->is_blank()) {
- QPixmap pix(twidth, theight);
- pix.fill(Qt::black);
- emit thumbReady(frame, pix);
- return;
- }
- Mlt::Frame *mltFrame;
- if (frame != -1) {
- //videoThumbProducer.getThumb(frame);
- m_producer->seek(frame);
- mltFrame = m_producer->get_frame();
- if (frame2 != -1) m_producer->seek(frame2);
- if (!mltFrame) {
- kDebug() << "///// BROKEN FRAME";
- QPixmap p(twidth, theight);
- p.fill(Qt::red);
- emit thumbReady(frame, p);
- return;
- } else {
- int frame_width = 0;
- int frame_height = 0;
- mltFrame->set("normalised_height", theight);
- mltFrame->set("normalised_width", twidth);
- QPixmap pix(twidth, theight);
- uint8_t *data = mltFrame->get_image(format, frame_width, frame_height, 0);
- uint8_t *new_image = (uint8_t *)mlt_pool_alloc(frame_width * (frame_height + 1) * 4);
- mlt_convert_yuv422_to_rgb24a((uint8_t *)data, new_image, frame_width * frame_height);
-
- QImage image((uchar *)new_image, frame_width, frame_height, QImage::Format_ARGB32);
-
- if (!image.isNull()) {
- pix = QPixmap::fromImage(image.rgbSwapped());
- } else
- pix.fill(Qt::red);
-
- mlt_pool_release(new_image);
- delete mltFrame;
- emit thumbReady(frame, pix);
- }
- } else if (frame2 != -1) m_producer->seek(frame2);
- if (frame2 != -1) {
- mltFrame = m_producer->get_frame();
- if (!mltFrame) {
- kDebug() << "///// BROKEN FRAME";
- QPixmap p(twidth, theight);
- p.fill(Qt::red);
- emit thumbReady(frame, p);
- return;
- } else {
- int frame_width = 0;
- int frame_height = 0;
- mltFrame->set("normalised_height", theight);
- mltFrame->set("normalised_width", twidth);
- QPixmap pix(twidth, theight);
- uint8_t *data = mltFrame->get_image(format, frame_width, frame_height, 0);
- uint8_t *new_image = (uint8_t *)mlt_pool_alloc(frame_width * (frame_height + 1) * 4);
- mlt_convert_yuv422_to_rgb24a((uint8_t *)data, new_image, frame_width * frame_height);
-
- QImage image((uchar *)new_image, frame_width, frame_height, QImage::Format_ARGB32);
-
- if (!image.isNull()) {
- pix = QPixmap::fromImage(image.rgbSwapped());
- } else
- pix.fill(Qt::red);
-
- mlt_pool_release(new_image);
- delete mltFrame;
- emit thumbReady(frame2, pix);
+ const int swidth = (int)(theight * m_ratio + 0.5);
+ const int dwidth = (int)(theight * m_dar + 0.5);
+
+ 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);
}
}
}
-QPixmap KThumb::extractImage(int frame, int width, int height) {
- return getFrame(m_producer, frame, width, height);
+QPixmap KThumb::extractImage(int frame, int width, int height)
+{
+ if (m_producer == NULL) {
+ QPixmap p(width, height);
+ p.fill(Qt::black);
+ return p;
+ }
+ QImage img = getProducerFrame(frame, (int) (height * m_ratio + 0.5), width, height);
+ return QPixmap::fromImage(img);
}
//static
-QPixmap KThumb::getImage(KUrl url, int frame, int width, int height) {
- Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
+QPixmap KThumb::getImage(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;
- char *tmp = Render::decodedString(url.path());
- //"<westley><playlist><producer resource=\"" + url.path() + "\" /></playlist></westley>");
- //Mlt::Producer producer(profile, "westley-xml", tmp);
- Mlt::Producer *producer = new Mlt::Producer(profile, tmp);
- delete[] tmp;
-
- if (producer->is_blank()) {
- pix.fill(Qt::black);
- delete producer;
- return pix;
- }
- pix = getFrame(producer, frame, width, height);
+ //"<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));
delete producer;
return pix;
}
-//static
-/*
-QPixmap KThumb::getImage(QDomElement xml, int frame, int width, int height) {
- Mlt::Profile profile((char*) KdenliveSettings::current_profile().data());
- QPixmap pix(width, height);
- QDomDocument doc;
- QDomElement westley = doc.createElement("westley");
- QDomElement play = doc.createElement("playlist");
- doc.appendChild(westley);
- westley.appendChild(play);
- play.appendChild(doc.importNode(xml, true));
- char *tmp = Render::decodedString(doc.toString());
- Mlt::Producer producer(profile, "westley-xml", tmp);
- delete[] tmp;
-
- if (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;
+ }
+ if (m_producer->is_blank()) {
+ QImage p(displayWidth, height, QImage::Format_ARGB32_Premultiplied);
+ p.fill(QColor(Qt::black).rgb());
+ return p;
}
- return getFrame(producer, frame, width, height);
-}*/
+ m_mutex.lock();
+ m_producer->seek(framepos);
+ Mlt::Frame *frame = m_producer->get_frame();
+ QImage p = getFrame(frame, frameWidth, displayWidth, height);
+ delete frame;
+ m_mutex.unlock();
+ return p;
+}
//static
-QPixmap KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int height) {
- if (producer == NULL) {
- QPixmap p(width, height);
- p.fill(Qt::red);
+QImage KThumb::getFrame(Mlt::Producer *producer, int framepos, int frameWidth, int displayWidth, int height)
+{
+ 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;
}
producer->seek(framepos);
Mlt::Frame *frame = producer->get_frame();
- if (!frame) {
- kDebug() << "///// BROKEN FRAME";
- QPixmap p(width, height);
- p.fill(Qt::red);
- return p;
- }
+ QImage p = getFrame(frame, frameWidth, displayWidth, height);
+ delete frame;
+ return p;
+}
- mlt_image_format format = mlt_image_yuv422;
- int frame_width = 0;
- int frame_height = 0;
- frame->set("normalised_height", height);
- frame->set("normalised_width", width);
- QPixmap pix(width, height);
- uint8_t *data = frame->get_image(format, frame_width, frame_height, 0);
- uint8_t *new_image = (uint8_t *)mlt_pool_alloc(frame_width * (frame_height + 1) * 4);
- mlt_convert_yuv422_to_rgb24a((uint8_t *)data, new_image, frame_width * frame_height);
- QImage image((uchar *)new_image, frame_width, frame_height, QImage::Format_ARGB32);
+//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;
+ }
+ int ow = frameWidth;
+ int oh = height;
+ mlt_image_format format = mlt_image_rgb24a;
+
+ const uchar* imagedata = frame->get_image(format, ow, oh);
+ QImage image(imagedata, ow, oh, QImage::Format_ARGB32_Premultiplied);
+
if (!image.isNull()) {
- pix = QPixmap::fromImage(image.rgbSwapped());
+ 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();
+ }
+ p.fill(QColor(Qt::black).rgb());
+ QPainter painter(&p);
+ painter.drawImage(p.rect(), image);
+ painter.end();
} else
- pix.fill(Qt::red);
+ p.fill(QColor(Qt::red).rgb());
+ return p;
+}
- mlt_pool_release(new_image);
- delete frame;
- return pix;
+//static
+uint KThumb::imageVariance(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
+ }
+ 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;
+ }
+ return delta/STEPS;
}
+
/*
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()) {
{
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(endframe, image);
}
*/
-void KThumb::stopAudioThumbs() {
- if (audioThumbProducer.isRunning()) audioThumbProducer.stop_me = true;
+void KThumb::stopAudioThumbs()
+{
+ if (m_audioThumbProducer.isRunning()) {
+ m_stopAudioThumbs = true;
+ m_audioThumbProducer.waitForFinished();
+ slotAudioThumbOver();
+ }
}
-void KThumb::removeAudioThumb() {
+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) {
+void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int arrayWidth)
+{
if (channel == 0) {
slotAudioThumbOver();
return;
}
- if ((audioThumbProducer.isRunning() && audioThumbProducer.isWorking())) {
+ if (m_audioThumbProducer.isRunning()) {
return;
}
- QMap <int, QMap <int, QByteArray> > storeIn;
+ audioByteArray storeIn;
//FIXME: Hardcoded!!!
- int m_frequency = 48000;
- int m_channels = channel;
+ m_frequency = 48000;
+ m_channels = channel;
QFile f(m_thumbFile);
if (f.open(QIODevice::ReadOnly)) {
- QByteArray channelarray = f.readAll();
+ const QByteArray channelarray = f.readAll();
f.close();
if (channelarray.size() != arrayWidth*(frame + frameLength)*m_channels) {
kDebug() << "--- BROKEN THUMB FOR: " << m_url.fileName() << " ---------------------- " << endl;
slotAudioThumbOver();
return;
}
+
kDebug() << "reading audio thumbs from file";
- for (int z = (int) frame;z < (int)(frame + frameLength);z++) {
- for (int c = 0;c < m_channels;c++) {
+
+ 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[z*arrayWidth*m_channels + c*arrayWidth + i];
+ 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 (audioThumbProducer.isRunning()) return;
- audioThumbProducer.init(this, m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
- audioThumbProducer.start(QThread::LowestPriority);
- kDebug() << "STARTING GENERATE THMB FOR: " << m_url << " ................................";
+ 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::slotAudioThumbProgress(const int progress) {
- m_clipManager->setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), progress);
+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() {
+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) {
+void KThumb::askForAudioThumbs(const QString &id)
+{
m_clipManager->askForAudioThumb(id);
}
+#if KDE_IS_VERSION(4,5,0)
+void KThumb::queryIntraThumbs(QList <int> missingFrames)
+{
+ 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::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"