本文整理汇总了C++中cv::InputArray::dims方法的典型用法代码示例。如果您正苦于以下问题：C++ InputArray::dims方法的具体用法？C++ InputArray::dims怎么用？C++ InputArray::dims使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cv::InputArray的用法示例。
在下文中一共展示了InputArray::dims方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: write_one
bool VideoWriter_IntelMFX::write_one(cv::InputArray bgr)
{
mfxStatus res;
mfxFrameSurface1 *workSurface = 0;
mfxSyncPoint sync;
if (!bgr.empty() && (bgr.dims() != 2 || bgr.type() != CV_8UC3 || bgr.size() != frameSize))
{
MSG(cerr << "MFX: invalid frame passed to encoder: "
<< "dims/depth/cn=" << bgr.dims() << "/" << bgr.depth() << "/" << bgr.channels()
<< ", size=" << bgr.size() << endl);
return false;
}
if (!bgr.empty())
{
workSurface = pool->getFreeSurface();
if (!workSurface)
{
// not enough surfaces
MSG(cerr << "MFX: Failed to get free surface" << endl);
return false;
}
const int rows = workSurface->Info.Height;
const int cols = workSurface->Info.Width;
Mat Y(rows, cols, CV_8UC1, workSurface->Data.Y, workSurface->Data.Pitch);
Mat UV(rows / 2, cols, CV_8UC1, workSurface->Data.UV, workSurface->Data.Pitch);
to_nv12(bgr, Y, UV);
CV_Assert(Y.ptr() == workSurface->Data.Y);
CV_Assert(UV.ptr() == workSurface->Data.UV);
}
while (true)
{
outSurface = 0;
DBG(cout << "Calling with surface: " << workSurface << endl);
res = encoder->EncodeFrameAsync(NULL, workSurface, &bs->stream, &sync);
if (res == MFX_ERR_NONE)
{
res = session->SyncOperation(sync, 1000); // 1 sec, TODO: provide interface to modify timeout
if (res == MFX_ERR_NONE)
{
// ready to write
if (!bs->write())
{
MSG(cerr << "MFX: Failed to write bitstream" << endl);
return false;
}
else
{
DBG(cout << "Write bitstream" << endl);
return true;
}
}
else
{
MSG(cerr << "MFX: Sync error: " << res << endl);
return false;
}
}
else if (res == MFX_ERR_MORE_DATA)
{
DBG(cout << "ERR_MORE_DATA" << endl);
return false;
}
else if (res == MFX_WRN_DEVICE_BUSY)
{
DBG(cout << "Waiting for device" << endl);
sleep(1);
continue;
}
else
{
MSG(cerr << "MFX: Bad status: " << res << endl);
return false;
}
}
}