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NS_E_WMG_RATEUNAVAILABLE
NS_E_WMG_RATEUNAVAILABLE: what the result means
NS_E_WMG_RATEUNAVAILABLE (0xC00D104A) means the current graph cannot provide the requested playback-rate mode.
What to capture
Record the requested rate, the supported-rate query result, graph state, active streams and renderer. Keep positive and negative-rate capability results separate.
Focused verification
Repeat at rate 1.0, then test a rate explicitly reported as supported. If those work while the requested rate does not, the rate capability is the deciding condition.
Technical references
- The DirectShow filter graph
- DirectShow media types
- Negotiating media types
- WM ASF Reader filter
- Microsoft HRESULT registry
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