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Using the Sample Grabber - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/using-the-sample-grabber
The Sample Grabber filter is a transform filter that can be used to grab media samples from a stream as they pass through the filter graph. If you simply want to grab a bitmap from a video file, it is easier to use the Media Detector (MediaDet) object. See Grabbing a Poster Frame for details. The Sample Grabber is more flexible, however ...
Sample Grabber Filter (Qedit.h) - Win32 apps | Microsoft …
https://docs.microsoft.com/en-us/windows/win32/directshow/sample-grabber-filter
The Sample Grabber filter provides a way to retrieve samples as they pass through the filter graph. It is a transform filter with one input pin and one output pin. It passes all samples downstream unchanged, so you can insert it into a filter graph without altering the data stream. Your application can then retrieve individual samples from the ...
Adding Audio Sample Grabber to my filter compiler says ...
https://social.msdn.microsoft.com/Forums/en-US/ce1408e4-bec7-4a6a-80ab-595f3fa4a03a/adding-audio-sample-grabber-to-my-filter-compiler-says-mediasubtypepcmaudio-is-undeclared
If your data is 2-channel or mono uncompressed PCM audio, the format structure is probably going to be WAVEFORMATEX. WAVEFORMATEXTENSIBLE is a superset of WAVEFORMATEX, so the basic information (channels, samples per second, bits per samples) is …
SampleGrabber (free) download Windows version
https://en.freedownloadmanager.org/Windows-PC/SampleGrabber-FREE.html
Sample Grabber acquires signal samples for PAS to analyze from media stream(s) as they pass through the Windows filter graph. You may want to check out more software, such as Jupiter-8V , Psycle or KTDrumTrigger , which might be similar to SampleGrabber.
Audio/Video synchronization issues using samplegrabber …
https://stackoverflow.com/questions/23275035/audio-video-synchronization-issues-using-samplegrabber-filter
Therefore, I am using SampleGrabber filters and NULL renderers. The problem arises when I rewind the movie (using IMediaSeeking interface) - audio significantly lags behind the video (a few seconds lag). I understand the a/v sync basics and timestamps. I do understand that render filters can drop frames depending on the presentation times.
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