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NS_E_DVD_CANNOT_COPY_PROTECTED
Where this result occurs in the Player workflow
NS_E_DVD_CANNOT_COPY_PROTECTED (0xC00D1172) marks rejecting extraction or copying of copy-protected DVD content. Preserve that boundary even when the visible Player message is broader than the producing operation.
Mechanism
At the 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 rejecting extraction or copying of copy-protected DVD content.
Successful reading of files from the DVD volume does not prove that the navigation program, decoder graph or protected output path can be used. A representative way to reach this result is that an application routes protected DVD sectors into a rip workflow.
State snapshot
| Evidence | Why it matters for cannot copy protected |
|---|---|
| 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 | disc protection state, requested copy/rip operation and navigator policy result |
| Generation identity | Record the same disc, device, job or Player operation generation that returned this result; 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 this result. |
| Controlled comparison | Repeat the producing call after changing only this condition: do not attempt the prohibited copy; use the disc through an authorized playback path. |
How to interpret the next test
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with rejecting extraction or copying of copy-protected DVD content; correct that state before changing unrelated codecs, drivers or playlists. |
| A lower layer failed before this result | Preserve that earlier HRESULT or device result because it may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the cannot copy protected diagnosis rather than a broad installation failure. |
| The code changes after retesting it | The boundary was passed; diagnose the new HRESULT as the next independent stage. |
It scopes the failure to rejecting extraction or copying of copy-protected DVD content.
Controlled diagnostic sequence
- Capture
0xC00D1172, it, the exact Player/API operation and the first timestamp at which it appears. - Save disc protection state, requested copy/rip operation and navigator policy result; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- 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: do not attempt the prohibited copy; use the disc through an authorized playback path.
- Create a fresh operation generation and verify that the original call advances beyond the cannot copy protected boundary.
Nearby codes with different owners
| Related result | Different diagnostic boundary |
|---|---|
NS_E_DVD_NO_VIDEO_MEMORY | allocating renderer surfaces needed by the DVD decode path |
NS_E_DVD_REQUIRED_PROPERTY_NOT_SET | validating required DVD playback properties before graph control begins |
NS_E_DVD_DEVICE_CONTENTION | opening or controlling the DVD drive while another graph/process uses it |
Focused correction
For this occurrence, do not attempt the prohibited copy; use the disc through an authorized playback path. Recreate only the object that produced it and repeat the original operation against the same controlled input.
When verifying it, do not bypass region or copy-protection checks; Diagnose the supported playback path by preserving the exact disc, drive, decoder and display connection involved.
Technical references
- DVD decoder support in Windows.
- DirectShow filters and DVD Navigator.
- DirectShow DVD error and success codes.
- IDvdControl2 interface.
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