// Oprogramowanie Roman Ryltsov
From a conversation: I have a video stream with variable frame rate, I want to make this in to a constant frame rate. Do you know of any filters that could help me with this? Such filter is actually quite easy. You only need to update time stamps of the media samples that are going…
A small fix for M-JPEG video streams retrieved by HTTP Stream Source Filter: Username and password contained in URL are honored for Basic HTTP authentication Correctly parsed HTTP response headers with quotes, e.g.: Content-Type: multipart/x-mixed-replace; boundary=“myboundary“ Partial Visual C++ .NET 2008 source code is available from SVN, release binary included.
An attempt to render media file in GraphStudio ended up with an error message: Protection A monitor program has been foun drunning in your system. Please unload it from memory and restart your program. The module which popped up the message chose to not identify itself in a friendly manner, however as nothing goes untraceable…
From a conversation: Q: I am using Web camera with DirectShow. Camera has only capture pin, so I am looking for the best way to switch resolution on the pin while graph is running. I would like to keep preview with smaller image size and when i would like to capture an image i would…
A 100-lines code snippet which illustrates how a bitmap is overlaid over displayed video with Video Mixing Renderer 9 Filter using IVMRMixerBitmap9 interface. A video clip is played (default is Windows clock.avi, but you can replace it with your longer one to see overlay is really in a loop). http://code.assembla.com/…/VmrMixerBitmapSample01/… VMR9AlphaBitmap AlphaBitmap; ZeroMemory(&AlphaBitmap, sizeof AlphaBitmap);…
Windows Media Codec List utility uses IWMCodecInfo interface (see also IWMCodecInfo2, IWMCodecInfo3) lists installed Windows Media Codecs and their formats and presents the findings in a convenient way. The utility gives a quick idea what a programmer would obtain through IWMCodecInfo2/IWMCodecInfo3 interfaces and what well known format structures (WM_MEDIA_TYPE, AM_MEDIA_TYPE, WAVEFORMATEX, VIDEOINFOHEADER) correspond to particular…
Media Tools DirectShow Filters can be used to acquire, parse and decoder M-JPEG encoded video stream from an IP camera or a video server, however for a quick start it is necessary to properly register filters on system and create a DirectShow graph. To register the filters, it is necessary to download DLLs from repository.…