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AVI Draw
This filter handles IOverlay interface support for an audio-video interleaved (AVI) video data stream. The AVI Draw filter's input pin connects to a video data output pin from the AVI Splitter filter. The AVI Draw output pin must connect to a filter that supports overlays; currently, the Video Renderer filter is the only such filter included with the DirectShow SDK.
DirectShow typically uses this filter to play back motion-JPEG (MJPEG) compressed AVI files on a computer with hardware support for MJPEG playback. In a general sense, this filter negotiates connections between specific hardware devices and AVI video streams that rely on those hardware devices, such as video capture and playback cards. This filter is not needed for playback or processing of streams that are hardware-independent.
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