X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fkthumb.cpp;h=809036689a300f4a5de2aef03ab4af4c2dff2950;hb=11a4d09164d3e0d7dcbe5891cb5ccc8c50c89e17;hp=e8b15d8d35706535888e7e49b340f9c5a05f5985;hpb=c3259e44d9526e707ed70a0d62f6e3eb2496a123;p=kdenlive diff --git a/src/kthumb.cpp b/src/kthumb.cpp index e8b15d8d..80903668 100644 --- a/src/kthumb.cpp +++ b/src/kthumb.cpp @@ -37,111 +37,38 @@ #include #include #include - -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; -} - -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); - } - - 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); - 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()); - 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(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 ; - } - f.write(m_array); - - } - } else { - f.write(QByteArray(m_arrayWidth, '\x00')); - } - delete mlt_frame; - } - //kDebug() << "done"; - f.close(); - m_isWorking = false; - if (stop_me) { - f.remove(); - } else emit audioThumbOver(); -} +#include +#include 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_producer(NULL), - m_clipManager(clipManager), - m_id(id) + QObject(parent), + m_audioThumbProducer(), + m_url(url), + m_thumbFile(), + m_dar(1), + m_producer(NULL), + m_clipManager(clipManager), + m_id(id), + m_stopAudioThumbs(false) { m_thumbFile = clipManager->projectFolder() + "/thumbs/" + hash + ".thumb"; - connect(&m_audioThumbProducer, SIGNAL(audioThumbProgress(const int)), this, SLOT(slotAudioThumbProgress(const int))); - connect(&m_audioThumbProducer, SIGNAL(audioThumbOver()), this, SLOT(slotAudioThumbOver())); - } KThumb::~KThumb() { + m_requestedThumbs.clear(); if (m_audioThumbProducer.isRunning()) { - m_audioThumbProducer.stop_me = true; - m_audioThumbProducer.wait(); + m_stopAudioThumbs = true; + m_audioThumbProducer.waitForFinished(); slotAudioThumbOver(); } + m_future.waitForFinished(); } void KThumb::setProducer(Mlt::Producer *producer) { + m_requestedThumbs.clear(); + m_future.waitForFinished(); m_producer = producer; // FIXME: the profile() call leaks an object, but trying to free // it leads to a double-free in Profile::~Profile() @@ -166,11 +93,8 @@ void KThumb::updateThumbUrl(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; - } + if (m_producer) + m_producer->set("resource", url.path().toUtf8().constData()); m_thumbFile = m_clipManager->projectFolder() + "/thumbs/" + hash + ".thumb"; } @@ -183,52 +107,52 @@ QPixmap KThumb::getImage(KUrl url, int width, int height) void KThumb::extractImage(int frame, int frame2) { - // kDebug() << "//extract thumb: " << frame << ", " << frame2; 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); + 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(); + const int twidth = FRAME_SIZE;//(int)(theight * m_dar + 0.5); - if (frame != -1) { - QPixmap pix = getFrame(m_producer, frame, twidth, theight); - emit thumbReady(frame, pix); - } - if (frame2 != -1) { - QPixmap pix = getFrame(m_producer, frame2, twidth, theight); - emit thumbReady(frame2, pix); + while (!m_requestedThumbs.isEmpty()) { + int frame = m_requestedThumbs.takeFirst(); + if (frame != -1) { + QImage img = getFrame(m_producer, frame, twidth, theight); + emit thumbReady(frame, img); + } } } QPixmap KThumb::extractImage(int frame, int width, int height) { - return getFrame(m_producer, frame, width, height); + return QPixmap::fromImage(getFrame(m_producer, frame, width, height)); } //static QPixmap KThumb::getImage(KUrl url, int frame, int width, int height) { - char *tmp = Render::decodedString(KdenliveSettings::current_profile()); - Mlt::Profile profile(tmp); - delete[] tmp; + Mlt::Profile profile(KdenliveSettings::current_profile().toUtf8().constData()); QPixmap pix(width, height); if (url.isEmpty()) return pix; - tmp = Render::decodedString(url.path()); //""); //Mlt::Producer producer(profile, "xml-string", tmp); - Mlt::Producer *producer = new Mlt::Producer(profile, tmp); - delete[] tmp; + Mlt::Producer *producer = new Mlt::Producer(profile, url.path().toUtf8().constData()); - pix = getFrame(producer, frame, width, height); + pix = QPixmap::fromImage(getFrame(producer, frame, width, height)); delete producer; return pix; } //static -QPixmap KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int height) +QImage KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int height) { - QPixmap p(width, height); + QImage p(width, height, QImage::Format_ARGB32_Premultiplied); if (producer == NULL) { p.fill(Qt::red); return p; @@ -250,28 +174,57 @@ QPixmap KThumb::getFrame(Mlt::Producer *producer, int framepos, int width, int h /*Mlt::Producer parentProd(producer->parent()); Mlt::Service service(parentProd.get_service()); mlt_service_lock(service.get_service());*/ - + int ow = width; + int oh = height; mlt_image_format format = mlt_image_rgb24a; - uint8_t *data = frame->get_image(format, width, height, 0); - QImage image((uchar *)data, width, height, QImage::Format_ARGB32); + uint8_t *data = frame->get_image(format, ow, oh, 0); + QImage image((uchar *)data, ow, oh, QImage::Format_ARGB32_Premultiplied); //mlt_service_unlock(service.get_service()); if (!image.isNull()) { - p = QPixmap::fromImage(image.rgbSwapped()); + if (ow > (2 * width)) { + // there was a scaling problem, do it manually + QImage scaled = image.scaled(width, height); + p = scaled.rgbSwapped(); + } else p = image.rgbSwapped(); } else p.fill(Qt::red); delete frame; return p; } + + +//static +uint KThumb::imageVariance(QImage image ) +{ + uint delta=0; + uint avg=0; + uint bytes=image.numBytes(); + uint STEPS=bytes/2; + QVarLengthArray pivot(STEPS); + uchar *bits=image.bits(); + // First pass: get pivots and taking average + for( uint i=0; i > 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)) { @@ -380,12 +332,20 @@ void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int a 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++) { + h2 += h1; + h3 = 0; for (int c = 0; c < m_channels; c++) { + h3 += arrayWidth; QByteArray m_array(arrayWidth, '\x00'); for (int i = 0; i < arrayWidth; i++) - m_array[i] = channelarray[z*arrayWidth*m_channels + c*arrayWidth + i]; + m_array[i] = channelarray[h2 + h3 + i]; storeIn[z][c] = m_array; } } @@ -393,15 +353,76 @@ void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int a slotAudioThumbOver(); } else { if (m_audioThumbProducer.isRunning()) return; - 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_url << " ................................"; + 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: " <setThumbsProgress(i18n("Creating thumbnail for %1", m_url.fileName()), progress); + Mlt::Profile prof((char*) KdenliveSettings::current_profile().toUtf8().data()); + Mlt::Producer m_producer(prof, m_url.path().toUtf8().data()); + if (!m_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"); + m_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) && m_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; + } + 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()); + 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(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()