// Oprogramowanie Roman Ryltsov
Video related stuff
Yesterday I received a complaint from a Most Important Customer about a weird problem on a few of their digital video recording servers. The problem was that a new version of software, client part, would out of a sudden auto-close without any notice. The problem was quite persistent and basically of not a difficult kind…
The other day I “wrote some code” to workaround an extremely stupid hardware issues. The depth of idiocy is just incredible: to release a bunch of hardware that just don’t work, release a number of firmware updates that just don’t fix the simplest thing: HTTP compatibility. If there was a single little try to see…
Although I personally have no experience with tricky DirectShow filters that decide on possibility of connection not only looking at media type and other capabilities, there has been a number of cases mentioned that certain video decoders will only connect to renderers or video renderers in order to avoid interception of decoded data. It was…
WinHttpCrackUrl and WinHttpCreateUrl API functions are breaking URL string into components and recompose back to string. There was a mess with passwords and security issues since when putting password into URL is no more acceptable. Experienced users might remember the times when URL could embed password, e.g. ftp://john:mysecretpassword@host.com/path. Password is lo longer accepted by major…
A simple question being asked all over again. Given IBasicVideo, IBasicVideo2, IVMRWindowlessControl or IVMRWindowlessControl9, how to save image to file? It is easy. It is a bit easier with IBasicVideo because it is possible to query this interface directly from graph’s interface, such as IGraphBuilder, and the call will be forwarded to video renderer. This…
Given a DirectShow filter graph, what media samples are being sent through particular graph point? DumpMediaSamples utility gives a fast answer to this question. It prints out connection media type details (with details of VIDEOINFOHEADER, VIDEOINFOHEADER2 and WAVEFORMATEX structures corresponding to FORMAT_VideoInfo, FORMAT_VideoInfo2 and FORMAT_WaveFormatEx format types) and IMediaSample details obtained through AM_SAMPLE2_PROPERTIES structure. First…
Mobotix cameras online, various models discovered by web spider bot, see previous list here: Basic , http://85.47.147.28 – Firmware M1-V1.9.4.8 (2003-12-01) D10D-Secure M10-1-38-123, http://mbsj.no-ip.org:7001 – Firmware M10-V2.1.0.9-D10 (2005-01-07) D12D-Sec D12, http://cabanga.dvrdns.org:8080 – Firmware MX-V3.4.2.2 (2008-04-25)