void VideoFrameSource_sV::slotExtractSmallFrames()
{
emit signalNextTask(tr("Extracting thumbnail-sized frames from the video file"), m_videoInfo->framesCount);
m_timer->start(100);
if (rebuildRequired(FrameSize_Small)) {
m_ffmpegSemaphore.acquire();
m_ffmpeg->waitForFinished(2000);
m_ffmpeg->terminate();
disconnect(m_ffmpeg, SIGNAL(finished(int)), this, 0);
connect(m_ffmpeg, SIGNAL(finished(int)), this, SLOT(slotExtractOrigFrames()));
extractFramesFor(FrameSize_Small, m_ffmpeg);
m_ffmpegSemaphore.release();
} else {
/// \todo What if image missing?
void ImagesFrameSource_sV::slotContinueInitialization()
{
emit signalNextTask("Creating preview images from the input images", m_imagesList.size());
for (; m_nextFrame < m_imagesList.size(); m_nextFrame++) {
QString outputFile(framePath(m_nextFrame, FrameSize_Small));
if (QFile(outputFile).exists()) {
emit signalTaskItemDescription("Resized image already exists for " + QFileInfo(m_imagesList.at(m_nextFrame)).fileName());
} else {
emit signalTaskItemDescription(QString("Re-sizing image %1 to:\n%2")
.arg(QFileInfo(m_imagesList.at(m_nextFrame)).fileName())
.arg(outputFile));
QImage small = QImage(m_imagesList.at(m_nextFrame)).scaled(m_sizeSmall, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
small.save(outputFile);
}
emit signalTaskProgress(m_nextFrame);
if (m_stopInitialization) {
break;
}
}
m_initialized = true;
emit signalAllTasksFinished();
}