X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fkthumb.cpp;h=350f14f46bb8cf65b9fea30de5f14d06dc66039e;hb=91bbd7aab80b69fff349cbfa3828a3e0b94a38ea;hp=ac232e66c62124611d23fe969ff3664905c27e10;hpb=09aae6cd42927b370af1b7bc7a94db03fd6a7cf6;p=kdenlive

diff --git a/src/kthumb.cpp b/src/kthumb.cpp
index ac232e66..350f14f4 100644
--- a/src/kthumb.cpp
+++ b/src/kthumb.cpp
@@ -40,54 +40,47 @@
 #include <QtConcurrentRun>
 #include <QVarLengthArray>
 
-KThumb::KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent, const char */*name*/) :
+KThumb::KThumb(ClipManager *clipManager, 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_requestedThumbs.clear();
+    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_requestedThumbs.clear();
+    if (m_producer) m_clipManager->stopThumbs(m_id);
     m_intraFramesQueue.clear();
-    m_future.waitForFinished();
     m_intra.waitForFinished();
     m_mutex.lock();
     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
@@ -113,41 +106,31 @@ QPixmap KThumb::getImage(KUrl url, int width, int height)
     return getImage(url, 0, width, height);
 }
 
-void KThumb::extractImage(int frame, int frame2)
+void KThumb::extractImage(QList <int>frames)
 {
     if (!KdenliveSettings::videothumbnails() || m_producer == NULL) return;
-    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);
-    if (!m_future.isRunning()) {
-        m_future = QtConcurrent::run(this, &KThumb::doGetThumbs);
-    }
+    m_clipManager->requestThumbs(m_id, frames);
 }
 
-void KThumb::doGetThumbs()
+
+void KThumb::getThumb(int frame)
 {
     const int theight = KdenliveSettings::trackheight();
     const int swidth = (int)(theight * m_ratio + 0.5);
     const int dwidth = (int)(theight * m_dar + 0.5);
 
-    while (!m_requestedThumbs.isEmpty()) {
-        int frame = m_requestedThumbs.takeFirst();
-        if (frame != -1) {
-            QImage img = getProducerFrame(frame, swidth, dwidth, theight);
-            emit thumbReady(frame, img);
-        }
-    }
+    QImage img = getProducerFrame(frame, swidth, dwidth, theight);
+    emit thumbReady(frame, img);
 }
 
-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(Qt::black);
+        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
@@ -222,13 +205,22 @@ QImage KThumb::getFrame(Mlt::Frame *frame, int frameWidth, int displayWidth, int
     int ow = frameWidth;
     int oh = height;
     mlt_image_format format = mlt_image_rgb24a;
-    uint8_t *data = frame->get_image(format, ow, oh, 0);
-    QImage image((uchar *)data, ow, oh, QImage::Format_ARGB32_Premultiplied);
+    frame->set("rescale.interp", "nearest");
+    frame->set("deinterlace_method", "onefield");
+    frame->set("top_field_first", -1 );
+    //frame->set("progressive", "1");
+    if (ow % 2 == 1) ow++;
+    const uchar* imagedata = frame->get_image(format, ow, oh);
+    QImage image(ow, oh, QImage::Format_ARGB32_Premultiplied);
+    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
-            QImage scaled = image.scaled(displayWidth, height);
-            image = scaled.rgbSwapped();
+            image = image.scaled(displayWidth, height).rgbSwapped();
         } else {
             image = image.scaled(displayWidth, height, Qt::IgnoreAspectRatio).rgbSwapped();
         }
@@ -259,7 +251,8 @@ uint KThumb::imageVariance(QImage image )
         avg+=pivot[i];
 #endif
     }
-    avg=avg/STEPS;
+    if (STEPS)
+        avg=avg/STEPS;
     // Second Step: calculate delta (average?)
     for (uint i=0; i<STEPS; i++)
     {
@@ -270,7 +263,10 @@ uint KThumb::imageVariance(QImage image )
 #endif
         delta+=curdelta;
     }
-    return delta/STEPS;
+    if (STEPS)
+        return delta/STEPS;
+    else
+        return 0;
 }
 
 /*
@@ -344,151 +340,10 @@ void KThumb::getThumbs(KUrl url, int startframe, int endframe, int width, int he
     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)
@@ -508,7 +363,7 @@ 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() + "_";
+    QString path = m_url.path() + '_';
     bool addedThumbs = false;
 
     while (!m_intraFramesQueue.isEmpty()) {
@@ -524,7 +379,7 @@ void KThumb::slotGetIntraThumbs()
     if (addedThumbs) emit thumbsCached();
 }
 
-QImage KThumb::findCachedThumb(const QString path)
+QImage KThumb::findCachedThumb(const QString &path)
 {
     QImage img;
     m_clipManager->pixmapCache->findImage(path, &img);