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app prompts to post data back to the website, and the anonymous user accepted the offer and posted the report from this unpublished application), so I have to drop a few lines about the tool.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 [...]
Posts Tagged ‘DirectShow’
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
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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 [...]
Skype 6.0.0.126: improved support for video devices for richer user experience
Posted: 17th November 2012 by Roman in UtilitiesTags: DirectShow, ip video source, skype, Video
A new release of Skype is out there, version 6.0.0.126: Metro look on the main (roster) window – good job! Broken compatibility with software (virtual) video capture devices – good job! Broken compatibility with some of hardware capture devices – good job! While stripping virtual video devices in favor of true cameras, to avoid issues, [...]
IP Video Source: Support for HTTPS protocol
Posted: 22nd October 2012 by Roman in Utilities, VideoTags: camera, DirectShow, HTTPS, ip, ipvideosource, JPEG, M-JPEG, Video, virtual
This publishes a small update to IP Video Source tool to expose M-JPEG/JPEG video streams as DriectShow video devices. The utility now accepts https:// URL scheme and pulls video over secure connections. Not every camera has support for HTTPS, however many do including those from UDP Technology, Axis etc. The update also includes other minor [...]
libx264 illustrated
Posted: 30th September 2012 by Roman in VideoTags: DirectShow, DMO, encoding, H.264, libx264, performance, x264
As libx264 has so many presets and tunes, I was curious how they all related one to another when it comes to encode video info H.264. I was more interested in single pass encoding for live video, so the measurements are respectively for this mode of operation with encoder running in CRF (constant rate factor, [...]