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NS_E_DVD_GRAPH_BUILDING
Diagnostic meaning beyond the standard message
The actionable meaning of 0xC00D116C / NS_E_DVD_GRAPH_BUILDING is issuing a DVD operation before the playback graph has completed construction. Keep the object generation and lower-level result attached to the NS_E_DVD_GRAPH_BUILDING event.
Why the operation can reach this point
At the NS_E_DVD_GRAPH_BUILDING checkpoint, dVD playback is built around the DirectShow DVD Navigator, which parses DVD-Video navigation data and exposes separate video, audio and subpicture outputs; Decoder availability, title-domain state, region policy, parental level and copy-protection negotiation are independent checkpoints. The page-specific boundary is issuing a DVD operation before the playback graph has completed construction.
For NS_E_DVD_GRAPH_BUILDING, successful reading of files from the DVD volume does not prove that the navigation program, decoder graph or protected output path can be used. One concrete reproduction is: a navigation command is sent while the decoder graph is still connecting pins.
Evidence matrix
| Evidence | Why it matters for graph building |
|---|---|
| Producing object and operation | disc path and media generation, DVD domain, title/chapter, region values for disc/drive/decoder, selected audio/video/subpicture streams, decoder CLSIDs, renderer and display mode, protection negotiation result and first DirectShow HRESULT |
| Decisive observation | graph build state, outstanding filter connections, requested command and first build HRESULT |
| Generation identity | Record the same disc, device, job or Player operation generation that returned NS_E_DVD_GRAPH_BUILDING; a reconnect or media change creates a different test. |
| Underlying result | Keep the first device, filesystem, COM, codec, DirectShow, IMAPI or BITS result seen before the Player mapped it to NS_E_DVD_GRAPH_BUILDING. |
| Controlled comparison | Repeat the producing call after changing only this condition: wait for graph completion or repair the filter connection that prevents readiness. |
Decision matrix
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with issuing a DVD operation before the playback graph has completed construction; correct that state before changing unrelated codecs, drivers or playlists. |
A lower layer failed before NS_E_DVD_GRAPH_BUILDING | Preserve that earlier HRESULT or device result because NS_E_DVD_GRAPH_BUILDING may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the graph building diagnosis rather than a broad installation failure. |
The code changes after retesting NS_E_DVD_GRAPH_BUILDING | The NS_E_DVD_GRAPH_BUILDING boundary was passed; diagnose the new HRESULT as the next independent stage. |
NS_E_DVD_GRAPH_BUILDING scopes the failure to issuing a DVD operation before the playback graph has completed construction. The presence of NS_E_DVD_GRAPH_BUILDING does not establish a system-wide media failure; verify its owning operation before changing unrelated Player components.
Minimal experiment
- Capture
0xC00D116C,NS_E_DVD_GRAPH_BUILDING, the exact Player/API operation and the first timestamp at which it appears. - Save graph build state, outstanding filter connections, requested command and first build HRESULT; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- For
NS_E_DVD_GRAPH_BUILDING, correlate the result with disc path and media generation, DVD domain, title/chapter, region values for disc/drive/decoder, selected audio/video/subpicture streams, decoder CLSIDs, renderer and display mode, protection negotiation result and first DirectShow HRESULT. - Reproduce once with the original source and destination, then apply only this change: wait for graph completion or repair the filter connection that prevents readiness.
- Create a fresh operation generation and verify that the original call advances beyond the graph building boundary.
Do not collapse it with these results
| Related result | Different diagnostic boundary |
|---|---|
NS_E_DVD_NO_AUDIO_STREAM | finding and connecting an enabled DVD audio stream |
NS_E_DVD_NO_DECODER | locating compatible MPEG-2/DVD decoders required to build the graph |
NS_E_DVD_NO_VIDEO_STREAM | finding and connecting a playable video stream from the DVD Navigator |
Recovery and verification
Resolve the responsible precondition by ensuring that you wait for graph completion or repair the filter connection that prevents readiness. A successful retest must pass the same graph building checkpoint, not merely hide the message in a different UI path.
When verifying NS_E_DVD_GRAPH_BUILDING, do not bypass region or copy-protection checks; Diagnose the supported playback path by preserving the exact disc, drive, decoder and display connection involved.
Authoritative documentation
- DVD decoder support in Windows.
- DirectShow filters and DVD Navigator.
- DirectShow DVD error and success codes.
- IDvdControl2 interface.
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