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DirectShow VCam source code
Introducing another popular DirectShow project: Vivek’s source filter which emulates a video capture device. For a long time the code was hosted on P “The March Hare” W’s website, which was eventually...
View ArticleDirectShow filter built with Visual Studio 2019 Preview to run on Windows...
I pushed a few commits to my fork of DirectShow Win7 Samples (BaseClasses library specifically). Windows SDK DirectShow Samples adapted for Visual Studio 2019 One of small problems I happened to deal...
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Beyond the Possible
I am replaying a pretty much regular MPEG TS recording taken from air, just with a MPEG TS rollover condition inside. Microsoft Media Foundation – ? FAILMicrosoft Movies & TV Application – ? FAIL...
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Windows 11 Virtual Video Camera
Just a quick hookup of my test Media Foundation media source into new Windows 11 MFCreateVirtualCamera API. Software video source is presented by Windows 11 as a video capture device. Finally, there...
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For your own good we enforced real-time protection…
Ostatnio spedzilem dosc duzo czasu na sprawdzaniu problemu z nieoczekiwanie slaba wydajnoscia w… Oh wait I am writing in English here. So, recently I spent rather a lot of time checking a problem with...
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Windows MP4 shell property handler sometimes destroys your media data
Some version of Microsoft Windows OS have rather dangerous subsystem known as MP4 property sheet handler (“MF MPEG-4 Property Handler” to be exact). Programmatically, you would use API like...
View ArticleVCam: A Journey from Usenet to GitHub
Throughout many years of hashtag#DirectShow development, one project stood out with unwavering popularity: the Windows Virtual Camera sample ????. Originally authored by Vivek in 2005 or even earlier,...
View ArticleFrom Webcams to 24-Hour Recordings: A Decade of Medical Video Evolution
For over a decade, we have been supporting a customer’s product in the field of medical video. Our journey began with their attempts of previous years to record from webcams — an endeavor that was...
View ArticleCustom Filters to the Rescue: Diagnosing and Solving Media Stream Woes
In a recent customer project, we encountered a longstanding problem related to a broadcasted media stream captured by software. Our customer application, built on the hashtag#DirectShow framework, was...
View ArticleLegacy Filters, Modern Solutions: MP4 Support in DirectShow
Microsoft #DirectShow API was introduced long before the widespread adoption of MPEG-4. As MPEG-4 codecs and container formats became standard, DirectShow was, by Microsoft’s own admission, nearing the...
View ArticleLDS Temples and Technology: The DirectShow Journey
A while back, we were working on a media subsystem for The Church of Jesus Christ of Latter-day Saints. They needed software-controlled multimedia playback with specific requirements for their temples...
View ArticleLegacy Code and Overengineering: The MJPEG Decoder Saga
So, hashtag#DirectShow virtual cameras — those elusive creatures that always turn heads. We’ve chatted about them before on LinkedIn (check out our post here https://lnkd.in/dYte5SQ5). But let’s rewind...
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