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#include "LVideoSurface.h"
#include <QDebug>
LVideoSurface::LVideoSurface(QObject *parent) : QAbstractVideoSurface(parent) {
frameImage = QPixmap();
entered = false;
}
bool LVideoSurface::present(const QVideoFrame &frame) {
//qDebug() << surfaceFormat().frameSize() << frame.size();
if(!frameImage.isNull() && !entered) {
emit frameReceived(frameImage);
return true;
}
if(frame.isValid()) {
//qDebug() << "Recording Frame";
//qDebug() << surfaceFormat().frameSize() << frame.size();
QVideoFrame icon(frame);
icon.map(QAbstractVideoBuffer::ReadOnly);
QImage img(icon.bits(), icon.width(), icon.height(), icon.bytesPerLine(), QVideoFrame::imageFormatFromPixelFormat(frame.pixelFormat()));
if((frameImage.isNull() && !entered) or entered)
frameImage = QPixmap::fromImage(img.copy(img.rect()));
icon.unmap();
emit frameReceived(frameImage);
return true;
}
return false;
}
QList<QVideoFrame::PixelFormat> LVideoSurface::supportedPixelFormats(QAbstractVideoBuffer::HandleType type = QAbstractVideoBuffer::NoHandle) const {
Q_UNUSED(type);
return QList<QVideoFrame::PixelFormat>() << QVideoFrame::Format_ARGB32 << QVideoFrame::Format_RGB32 << QVideoFrame::Format_RGB24
<< QVideoFrame::Format_RGB565 << QVideoFrame::Format_RGB555 << QVideoFrame::Format_BGRA32 << QVideoFrame::Format_BGR32;
}
void LVideoSurface::stop() {
QAbstractVideoSurface::stop();
}
void LVideoSurface::switchRollOver() {
entered = !entered;
}
bool LVideoSurface::start(const QVideoSurfaceFormat &format) {
const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
const QSize size = format.frameSize();
//QVideoSurfaceFormat newFormat = format;
//Shrink the frames passed through the format to a smaller, thumbnail appropriate size and increase the frame rate
//newFormat.setFrameSize(258,258);
//newFormat.setFrameRate(90);
if (imageFormat != QImage::Format_Invalid && !size.isEmpty())
QAbstractVideoSurface::start(format);
return (imageFormat != QImage::Format_Invalid && !size.isEmpty());
}
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