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VFW_E_DVD_NO_ATTRIBUTES
Meaning
Windows documents VFW_E_DVD_NO_ATTRIBUTES as “The requested DVD stream attribute does not exist”. Here, IDvdInfo2 cannot return attributes for the requested DVD stream because those attributes do not exist in the current title or menu context.
Relevant contract
Code-specific boundary: VFW_E_DVD_NO_ATTRIBUTES narrows the investigation to whether the authored DVD object actually carries the requested attributes at the current navigation location. Preserve the DVD domain, title/menu location and graph topology from the same attempt so a later navigation error is not mistaken for the original condition.
Start with the DVD Navigator, graph builder, decoder inventory and renderer topology.
Evidence worth preserving
- Evidence 1: requested stream type and index.
- Evidence 2: current title, menu and domain.
- Evidence 3: available stream counts and change events.
Conditions that can produce it
- Cause 1: the stream index is absent or disabled.
- Cause 2: the current domain exposes different stream metadata.
- Cause 3: the disc does not author the requested attribute set.
Retry and recovery
Retry rule: Retry after entering content where the stream exists or selecting a valid stream index.
Correction strategy
- Action 1: refresh stream inventory after title or domain changes.
- Action 2: validate indices before attribute queries.
- Action 3: handle missing optional attributes without fabricating defaults.
Example incident
A subtitle settings panel queries an old stream index after the title changes; rebuilding the stream list prevents it.
How it differs from nearby results
VFW_E_DVD_STREAM_DISABLED means a known stream cannot be selected because it is disabled; it means the requested attribute record is not available.
Official Microsoft references
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