/*!
allocate planes[] and planeSizes[] according to size and format
\internal
*/
void QVideoFramePrivate::allocateOwnPlanes()
{
int totalSize = 0;
int planeSizes[maxPlanesCount];
for ( int plane = 0; plane < maxPlanesCount; plane++ ) {
int depth = QVideoFrame::colorDepth( format, plane );
if ( depth ) {
QSize pSize = planeSize( plane );
bytesPerLine[plane] = (( pSize.width() * depth + 31)/32) * 32 / 8;
planeSizes[plane] = bytesPerLine[plane] * pSize.height();
//planes[plane] = (uchar *)malloc( bytesPerLine[plane] * pSize.height() );
totalSize += planeSizes[plane];
} else
planeSizes[plane] = 0;
}
if ( totalSize ) {
planes[0] = (uchar *)malloc( totalSize );
for ( int plane = 1; plane < maxPlanesCount; plane++ ) {
if ( planeSizes[plane] )
planes[plane] = planes[plane-1] + planeSizes[plane-1];
else
break;
}
}
}
/*!
\internal
*/
QVideoFramePrivate::QVideoFramePrivate( const QVideoFramePrivate& other )
:QSharedData(other)
{
size = other.size;
format = other.format;
ownData = true;
bufferHelper = 0;
allocateOwnPlanes();
for ( int plane=0; plane < maxPlanesCount; ++plane ) {
bytesPerLine[plane] = other.bytesPerLine[plane];
constPlanes[plane] = 0;
if ( other.planes[plane] ) {
memcpy( planes[plane], other.planes[plane], planeSize(plane).height()*bytesPerLine[plane] );
} else if ( other.constPlanes[plane] ) {
memcpy( planes[plane], other.constPlanes[plane], planeSize(plane).height()*bytesPerLine[plane] );
}
}
aspectRatio = other.aspectRatio;
isAspectRatioDefined = other.isAspectRatioDefined;
}
tscalar* planeData(tindex i) { return data() + i * planeSize(); }
decltype(auto) vector(tindex i) { return tensor::map_vector(planeData(i), planeSize()); }