VideoFrameSource_sV::VideoFrameSource_sV(const Project_sV *project, const QString &filename)
throw(FrameSourceError) :
AbstractFrameSource_sV(project),
m_inFile(filename),
m_fps(1,1),
m_ffmpegSemaphore(1),
m_initialized(false)
{
if (!QFileInfo(filename).exists()) {
throw FrameSourceError(tr("Video file %1 does not exist!").arg(filename));
}
m_videoInfo = new VideoInfoSV();
*m_videoInfo = getInfo(filename.toStdString().c_str());
if (m_videoInfo->streamsCount <= 0) {
qDebug() << "Video info is invalid: " << filename;
throw FrameSourceError(tr("Video is invalid, no streams found in %1").arg(filename));
}
m_fps = Fps_sV(m_videoInfo->frameRateNum, m_videoInfo->frameRateDen);
createDirectories();
locateFFmpeg();
m_ffmpeg = new QProcess(this);
m_timer = new QTimer(this);
bool b = true;
b &= connect(m_timer, SIGNAL(timeout()), this, SLOT(slotProgressUpdate()));
Q_ASSERT(b);
}
ImagesFrameSource_sV::ImagesFrameSource_sV(Project_sV *project, QStringList images) throw(FrameSourceError) :
AbstractFrameSource_sV(project),
m_fps(24, 1),
m_initialized(false),
m_stopInitialization(false),
m_nextFrame(0)
{
QString msg = validateImages(images);
if (msg.length() > 0) {
throw FrameSourceError("Image frame source: " + msg);
}
m_imagesList.append(images);
m_imagesList.sort();
QImage repImage(m_imagesList.at(0));
if (repImage.isNull()) {
qDebug() << "Image is null: " << m_imagesList.at(0);
qDebug() << "Supported image formats: " << QImageReader::supportedImageFormats();
throw FrameSourceError(QString("Cannot read image: %1").arg(m_imagesList.at(0)));
}
m_sizeSmall = repImage.size();
if (m_sizeSmall.isEmpty()) {
throw FrameSourceError(QString("Image read from %1 is empty.").arg(m_imagesList.at(0)));
}
while (m_sizeSmall.width() > 600) {
m_sizeSmall = m_sizeSmall/2;
}
createDirectories();
}
void VideoFrameSource_sV::locateFFmpeg()
{
if (m_avconvInfo.locate(m_settings.value("binaries/ffmpeg", "").toString())) {
m_settings.setValue("binaries/ffmpeg", m_avconvInfo.executablePath());
m_settings.sync();
} else {
throw FrameSourceError(tr("ffmpeg/avconv executable not found! Cannot load video."
"\n(It is also possible that it took a little long to respond "
"due to high workload, so you might want to try again.)"));
}
}
void VideoFrameSource_sV::locateFFmpeg()
{
if (m_avconvInfo.locate(m_settings.value("binaries/ffmpeg", "").toString())) {
m_settings.setValue("binaries/ffmpeg", m_avconvInfo.executablePath());
m_settings.sync();
} else {
throw FrameSourceError(tr("ffmpeg/avconv executable not found! Cannot load video."
"\n(It is also possible that it took a little long to respond "
"due to high workload, so you might want to try again.)"
#ifdef WINDOWS
"\nPlease download the 32-bit static ffmpeg build from ffmpeg.zeranoe.com "
"and extract ffmpeg.exe in the same directory as slowmoUI.exe."
#endif
));
}
}
ImagesFrameSource_sV::ImagesFrameSource_sV(Project_sV *project, QStringList images) throw(FrameSourceError) :
AbstractFrameSource_sV(project),
m_fps(24, 1),
m_initialized(false),
m_stopInitialization(false),
m_nextFrame(0)
{
QString msg = validateImages(images);
if (msg.length() > 0) {
throw FrameSourceError("Image frame source: " + msg);
}
m_imagesList.append(images);
m_imagesList.sort();
m_sizeSmall = QImage(m_imagesList.at(0)).size();
while (m_sizeSmall.width() > 600) {
m_sizeSmall = m_sizeSmall/2;
}
createDirectories();
}