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VFW_E_DVD_LOW_PARENTAL_LEVEL
Meaning
Windows documents VFW_E_DVD_LOW_PARENTAL_LEVEL as “The current parental level was too low”. Here, the navigator blocks playback or navigation because the configured parental level is lower than the level required by the content.
Relevant contract
This result belongs to the legacy DirectShow DVD Navigator contract. DVD state is authored and stateful: domains, user-operation controls, titles, menus, streams, command objects and graph construction each impose different preconditions.
Start with the DVD Navigator, graph builder, decoder inventory and renderer topology.
Conditions that can produce it
- Cause 1: the title or temporary parental block exceeds the player setting.
- Cause 2: the application declined a parental-level change request.
- Cause 3: country and level policy were configured inconsistently.
Evidence worth preserving
- Evidence 1: current player parental level and country.
- Evidence 2: requested content level.
- Evidence 3: EC_DVD_PARENTAL_LEVEL_CHANGE handling and user decision.
Correction strategy
- Action 1: prompt through the application parental-control policy.
- Action 2: accept a temporary level change only after authorized confirmation.
- Action 3: keep parental enforcement in the player as required by the DVD model.
Retry and recovery
Retry rule: Retry after an authorized parental-level change or selection of permitted content.
How it differs from nearby results
VFW_E_DVD_OPERATION_INHIBITED is a disc-authored operation restriction, while it is the player parental-policy decision.
Example incident
A title enters a higher-rated angle block and the application rejects the level-change event; presenting an authorized prompt explains it.
Official Microsoft references
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