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Editorial Team
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Asked: 2026-05-26T23:18:20+00:00

When a pin connection problem arises in my Delphi 6 (with DSPACK) DirectShow application

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When a pin connection problem arises in my Delphi 6 (with DSPACK) DirectShow application I like to get the media format currently assigned to the pins involved in the connection. I do this by querying the IAMStreamConfig interface if the pins supports it. I am finding that some pins do not. Is there another reliable way to quickly get the media format currently assigned to a pin that does not support IAMStreamConfig?

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1 Answer

  1. Editorial Team
    • IPin::ConnectionMediaType gets you connection media type, the type the pins have agreed on
    • IAMStreamConfig::GetFormat gets you media type of unconnected yet pin, the type is about to be ‘preferred’ for the supposed connection
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