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NS_E_AUDIO_CODEC_ERROR
What NS_E_AUDIO_CODEC_ERROR tells you
The result NS_E_AUDIO_CODEC_ERROR (0xC00D0BC3) means an audio codec was selected successfully but failed while configuring or processing media. The name is useful only when tied to the object and state that produced it; neighboring HRESULTs in the same subsystem can represent later stages.
Build a minimal reproduction
Record codec/DMO/MFT identity and version, input/output media types, sample timestamp/size, and the first codec-specific HRESULT or event.
Keep those inputs stable while testing one prerequisite at a time. Reproduce with the same sample and media types on a known-good codec version or alternate supported codec. Do not diagnose this as “codec missing.”
References
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