VideoFrame VideoFrame::clone() const
{
Q_D(const VideoFrame);
if (!d->format.isValid())
return VideoFrame();
int bytes = 0;
for (int i = 0; i < d->format.planeCount(); ++i) {
bytes += bytesPerLine(i)*planeHeight(i);
}
QByteArray buf(bytes, 0);
char *dst = buf.data(); //must before buf is shared, otherwise data will be detached.
VideoFrame f(buf, width(), height(), d->format);
for (int i = 0; i < d->format.planeCount(); ++i) {
f.setBits((quint8*)dst, i);
f.setBytesPerLine(bytesPerLine(i), i);
const int plane_size = bytesPerLine(i)*planeHeight(i);
memcpy(dst, bits(i), plane_size);
dst += plane_size;
}
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
//f.setImageConverter(d->conv);
return f;
}
VideoFrame VideoFrame::clone() const
{
Q_D(const VideoFrame);
if (!d->format.isValid())
return VideoFrame();
// data may be not set (ff decoder)
if (d->planes.isEmpty() || !d->planes.at(0)) {//d->data.size() < width()*height()) { // at least width*height
// maybe in gpu memory, then bits() is not set
qDebug("frame data not valid. size: %d", d->data.size());
VideoFrame f(width(), height(), d->format);
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
return f;
}
int bytes = 0;
for (int i = 0; i < d->format.planeCount(); ++i) {
bytes += bytesPerLine(i)*planeHeight(i);
}
QByteArray buf(bytes, 0);
char *dst = buf.data(); //must before buf is shared, otherwise data will be detached.
VideoFrame f(width(), height(), d->format, buf);
const int nb_planes = d->format.planeCount();
for (int i = 0; i < nb_planes; ++i) {
f.setBits((quint8*)dst, i);
f.setBytesPerLine(bytesPerLine(i), i);
const int plane_size = bytesPerLine(i)*planeHeight(i);
memcpy(dst, constBits(i), plane_size);
dst += plane_size;
}
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
f.setColorSpace(d->color_space);
f.setColorRange(d->color_range);
return f;
}
void* VideoFrame::createInteropHandle(void* handle, SurfaceType type, int plane)
{
Q_D(VideoFrame);
const QVariant v = d->metadata.value(QStringLiteral("surface_interop"));
if (!v.isValid())
return 0;
d->surface_interop = v.value<VideoSurfaceInteropPtr>();
if (!d->surface_interop)
return 0;
if (plane > planeCount())
return 0;
return d->surface_interop->createHandle(handle, type, format(), plane, planeWidth(plane), planeHeight(plane));
}
