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NS_E_WMG_INVALIDSTATE
NS_E_WMG_INVALIDSTATE: what the result means
NS_E_WMG_INVALIDSTATE (0xC00D1054) means the requested graph operation is not valid in the graph current run, pause or transition state.
What to capture
Record the graph state immediately before the call, the preceding state-changing call and callback order, and whether an asynchronous transition was still outstanding.
Focused verification
Issue the operation only after the expected state transition completes. If it then succeeds, fix the call ordering rather than rebuilding codecs, network settings or media data.
Technical references
- The DirectShow filter graph
- DirectShow media types
- Negotiating media types
- WM ASF Reader filter
- Microsoft HRESULT registry
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