Tag: Video

Windows 10 AVI Splitter bug

There were a few reports that in Windows 10 it is unable to play AVI files, which played fine in earlier versions of Windows, AVI files specifically. Windows 10 DirectShow problem Windows 10 DirectShow problem with AVI OK, the problem does exist. More to say, the problem exist in Windows component that implements AVI Splitter…

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Blackmagic Design’s “Decklink Video Capture” filters

Pulling this out from Blackmagic Design Forum thread: Generally, the recommended interface to the capture cards is the DeckLink API. A DirectShow interface is available, but provides a subset of the functionality available from the complete DeckLink API. Please note that the older, user-space DirectShow filters (DeckLink Video Capture) are deprecated in favour of the…

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Reference signal source for DirectShow

Every so often there are tasks that need certain reference video or video/audio footage with specific properties: resolution, frame rate, frame accuracy with content identifying specific frame, motion in view, amount of motion which is “hard” for processing with encoder tuned for natural video, specific video and audio synchronization. There is of course some content…

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IMediaObject::Discontinuity while Windows Media Video 9 Encoder has data to process

This is presumably a bug in Windows Media Video 9 Encoder in versions up to Windows 7 included (fixed in Windows 8.1 at the very least – wmvencod.dll 6.3.9600.17415). A IMediaObject::Discontinuity call destroys input the DMO it already holds: it reports success, and handles discontinuity correctly. It even drains output as it should, but if in the same time…

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Enumeration of DirectShow Capture Capabilities (Video and Audio)

The tool appears to be unmentioned here, and this is to fix the problem. DirectShowCaptureCapabilities application enumerates video and audio capture devices and lists their typical DirectShow properties, specifically: Moniker names (including USB identification) Pins and property pages Supported interfaces Formats and capabilities available through IAMStreamConfig interface Video and audio devices The utility allows to save output and…

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