The tool provides a user- (well, actually a developer-) friendly printout of capabilities accessible via Blackmagic Design DeckLink SDK for DeckLink series of hardware. This covers features of DeckLink and Intensity series of hardware for video/audio capture, accessible via vendor’s SDK. The data is printed out in Markdown format, easy to read on its own [...]
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DeckLinkCapabilities: A Printout of Capabilities of Blackmagic Design/DeckLink Hardware
Posted: 12th May 2013 by Roman in Utilities, VideoTags: blackmagic, capture, decklink, tool, utility, Video
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RotView: What is on ROT?
Posted: 4th January 2013 by Roman in UtilitiesTags: COM, GetRunningObjectTable, irotview, IRunningObjectTable, RegisterActiveObject, rot, rotview
Once upon a time Windows SDK (or it was Visual Studio) had a tool named IROTVIEW which enumerated Running Object Table (ROT). Running Object Table Viewer IROTVIEW displays information about ActiveX and OLE objects currently existing in memory. People ask “Where is IROTVIEW?” and there is no answer. The API is really simple, but if [...]
CaptureClock: Utility to Check Video/Audio Capture Rates
Posted: 4th January 2013 by Roman in ATL, Utilities, WTLTags: Audio, capture, DirectShow, frame rate, live, rate matching, Video
Someone discovered the utility while browsing my public repository (the app prompts to post data back to the website, and the anonymous user accepted the offer and posted the report from this unpublished application), so I have to drop a few lines about the tool. The idea is basically straightforward: live capture involves attaching time [...]
DirectShow Spy: ROT fix and evrprop.dll
Posted: 4th January 2013 by Roman in ATL, UtilitiesTags: COM, DirectShow, directshowspy
A small issue appears to be affecting DirectShow applications with DirectShow Spy installed. As underlying COM base is non-standard, the spy implements a few hacks to run smoothly and to keep reference counting correct in particular. Under certain conditions, DirectShow-enabled ActiveX control hosted by Internet Explorer seems to be unable to put its graph onto [...]
Bringing virtual DirectShow devices back to life with Skype 6
Posted: 28th November 2012 by Roman in Technology, VideoTags: bug, devicepath, DirectShow, skype
As mentioned before, new Skype 6 broke compatibility with all virtual DirectShow devices out there. Just oops, nothing works any longer if only it is not a full driver exposing virtual device through WDM. Since quite some people are interested in details (Skype 6 Virtual Camera issues, Skype Client for Windows – SCW-3881 – Virtual [...]
DirectShow Spy: Easier Registration
Posted: 24th November 2012 by Roman in ATL, Utilities, WTLTags: COM, DirectShow, directshowspy, registration, regsvr32, rundll32, spy
Because DirectShow Spy is often a troubleshooting tool, one of its use scenarios is its being a drop-in module to quickly install on a system of interest in order to connect to graphs for troubleshooting purposes, such as to check topology and media types. Its installation requires COM registration, and over time it changed gradually [...]
dlinkddns.com@ and unique email addresses
Posted: 23rd November 2012 by Roman in TechnologyTags: email, spam
This is a spam email. There is not so much special about, just the recipient address. “Single use” email addresses have an advantage of trackability of spam sources, because once you start receiving messages onto this alias you immediately know the source. Not to say that you can block them easily. Google Mail offers a [...]