// Oprogramowanie Roman Ryltsov
There has been recently an interesting post “Problem playing back multi-channel wave file under vista” on DirectShow Development forum about certain hardware that is capable of recording 64 channels of audio in 24-bit per sample PCM quality, with a sample recorded .WAV file posted. I was curious what kind of hardware implements such recording. Google…
I am sharing a couple of utilities to be able to quick check system settings. TimeZoneInformation prints in a human friendly style TIME_ZONE_INFORMATION structure as reported by Windows through GetTimeZoneInformation API. TIME_ZONE_INFORMATION: .Bias: -120 .StandardName: FLE Standard Time .StandardDate: { .wYear 0, .wMonth 10, .wDay 5, .wDayOfWeek 0, .wHour 4, .wMinute 0, .wSecond 0, .wMilliseconds…
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…
Yesterday there was a support request on another weird problem which was eventually forwarded to me for investigation. The symptom was “application configured as Windows service does not start and shows “Starting” in services console all the time”. The case did not look difficult as the symptom clearly indicates a freeze or deadlock inside service,…
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…
IDirectSoundNotify8 is an interface to get notified on playback on capture audio buffer reaching certain position in the buffer. It is a must thing when implementing ring buffers with new data continuously added to the buffer for seamless playback (continuously copied from in case of capture). This project is a minimalistic C++ sample code to…
Started as Is it possible to use local component in DLL? on microsoft.public.vc.atl newsgroup. The question is to embed a custom DirectX Media Object (DMO) into executable so that it is only available to proprietary application and not to entire system and could be reused in other applications. If in particular this DMO should be…