// Oprogramowanie Roman Ryltsov
There is a comment from MSFT’s Mike M on MSDN Forums on recent issue with compressed video capture. I am pulling it out completely as a quote below: I’d like to start off by providing you guys a little more context on the behavior you’re encountering. One of the main reasons that Windows is decoding…
Many questions in DirectShow development are caused by lack of developer’s understanding what topology his code effectively built. Intelligent Connect and RenderXxx methods help adding and connecting filters and in the end a developer does not have a faintest idea what the pipeline looks like. DirectShow API provides methods to enumerate filters, pins, connection and…
Windows 10 Anniversary Update brought a breaking change that removed, in many cases, hardware compressed video formats from video capture APIs, even though the devices themselves are known to have respective capabilities. DirectShow MJPEG frame type in USB cameras is not working after Windows 10 anniversary update (1607) Webcam MJPG capture streams are unavailable on…
Two H.264 MP4 files, close one to another. The files are playable, a sort of: Windows desktop players (except Media Foundation based), QuickTime, Android and iOS devices play them. The files are not flawless but make sense, hence the glitches. There is a problem with the second file, which is rejected by Twitter “Your media…
There is so little information about this problem (not really a bug, rather a miscalculation) out there because it is coming up with customized Video Mixing Renderer Filter 7 and there is no problem with straightforward use. In windowless mode the renderer is accepting media samples and displays them as configured. IVMRWindowlessControl::GetCurrentImage method is available…
This is not really practical – just some fun stuff and attempt to make use of a readily available code snippet. So… reference signal in Unity 3D game engine through Media Foundation and Direct3D 11. It is basically Low-Level Native Plugin example project (limited to Direct3D 11 and Visual Studio 2015), which works together with…
An update for Reference signal source for DirectShow DLLs: the source is doing more accurately RGB subtypes and allows specification whether you want MEDIASUBSTYPE_RGB32 or MEDIASUBSTYPE_ARGB32 additionally the DLL implements Microsoft Media Foundation Media Source for the video stream A more detailed description follows. RGB32 and ARGB32 are very close and share the same byte…