// Software Production Line
Ancient piece of code started giving troubles: When MSVC_FIX_VOLATILE is nothing, it appears that optimizing compiler forgets pT and uses just some variation of adjusted this, which makes sense overall because static cast between the two can be resolved at compile time. However, the problem is that the value of this is wrong and there…
The application in previous post Is my system a hybrid (switchable) graphics system? is implemented in C++/WinRT, which I finally decided to give a try. For authoring and consuming Windows Runtime APIs using C++, there is C++/WinRT. This is Microsoft’s recommended replacement for the C++/CX language projection, and the Windows Runtime C++ Template Library (WRL). The real question…
LLVM Coding Standards – Source Code Width: Write your code to fit within 80 columns of text. This helps those of us who like to print out code and look at your code in an xterm without resizing it. The longer answer is that there must be some limit to the width of the code…
IMFTrackedSample interface is available/allowed in UWP applications. The interface is a useful one when one implements a pool of samples and needs a notification when certain instance can be recycled. Use this interface to determine whether it is safe to delete or re-use the buffer contained in a sample. One object assigns itself as the…
A while ago I posted a tool that updates a [freshly built] binary version information resource and increments build numbers for version identification and tracking. This time it is a variant of the tool: the utility would check git details for a given repository clone and embed it as a string item of the version…
User’s question about Alax.Info IP Video Source DirectShow filter for JPEG/M-JPEG video: As it stands now, in order to configure the video capture source filter, I have to instantiate it […], set the properties (camera URL, and video dimensions), then save the filter state to a data array which is then compiled into the application.…
I already wrote earlier on 32/64-bit issues with Visual Studio. The problems are not frequent but when they happen they are pretty confusing. Here is another one today. C++ code is simple: #import “libid:59941706-0000-1111-2222-7EE5C88402D2” raw_interfaces_only no_namespace CComPtr<IObject> pObject; ATLENSURE_SUCCEEDED(pObject.CoCreateInstance(__uuidof(Object))); BYTE* pnData; ATLENSURE_SUCCEEDED(pObject->Method((ULONG_PTR) (BYTE*) pnData)); A COM method returns a pointer to data – pretty straightforward,…