// Oprogramowanie Roman Ryltsov
Video related stuff
While new NTFS Links propery page is looking for contained junction points, it shows an animated picture to indicate opertation in progress. The picture is a stock resource and is taken from shell32.dll resource type “AVI” name 150. It is an Audio Video Interleave (AVI) file embedded into binary resources as is. What is however…
In order to better troubleshoot network cameras and other devices, I added a new DirectShow filter to write HTTP response headers and body into a single file, one file (actually a pairs of files, the second file contains UTF-8 formatted HTTP response headers) per HTTP response. While troubleshootting JPEG artefact issue with I used the…
Provided that there already is a JPEG Multi File Source Filter that can act as a video source streaming video from local JPEG files, it looked to be useful to build a virtual camera on top of this filter. This is the main difference: an existing filter is generic and customizable: it requires to be…
While playing around with a camera DirectShow video source filter, AMCap, which is widely used sample and which I believed to be very stable, started crashing in an inner call CDeviceMoniker::IsEqual: devenum.dll!CDeviceMoniker::IsEqual() + 0x13 bytes > AmCap.exe!ChooseDevices(IMoniker * pmVideo=0x003e9a38, IMoniker * pmAudio=0x00000000) Line 2672 + 0x2a bytes C++ AmCap.exe!ChooseDevices(wchar_t * szVideo=0x0013f5b8, wchar_t * szAudio=0x0013edb0) Line…
I decided to gather DirectShow code and filters related to processing video from network/IP cameras and video servers into a library (in fact, a few libraries) so that it could be easily used for testing, research and other purposes. As time is going to permit, documentation and sample code will be provided, further development will…
FFDShow is already known for it issues (including for example mentioned one). Today’s featured one is related to its Video Decoder. A great deal of FFDShow related issues amy be worked around with a single shot by listing the image name as an FFDShow exclusion under registry: HKEY_CURRENT_USER\Software\GNU\ffdshow; blacklist but I felt relaxed and the…
This is a begged MFC code for multiple windowless video renderers. MFC project, two independent video renderers hosted by the same parent window (actually through owned controls but this makes no major difference), VMR9 in windowless mode. (this expects C:\Windows\clock.avi file to be available which is no longer the case after Windows XP – simply…