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NS_E_MEDIACD_READ_ERROR
Practical scope of NS_E_MEDIACD_READ_ERROR
This HRESULT is produced at reading CD media during playback after the disc was classified successfully. This result belongs to audio-cd discovery, digital reading and ripping, not to an undifferentiated “Windows Media problem.”
Pipeline position
At the checkpoint, windows Media Player identifies the inserted medium, reads its table of contents, creates a CD reader, and then chooses digital audio extraction or an analog playback path; Ripping adds destination-path creation and an encoder selected from the user’s rip settings. The page-specific boundary is reading CD media during playback after the disc was classified successfully.
Recognition of the drive does not prove that usable audio sectors, a stable digital-read path or a valid rip destination are available. In a typical failing run, disc metadata loads but playback encounters an unreadable area.
Reproduction record
| Evidence | Why it matters for mediacd read error |
|---|---|
| Producing object and operation | physical drive identifier, media-change generation, disc and track number, table-of-contents result, digital/analog mode, error-correction flag, read speed, rip state, output format and first lower-level drive error |
| Decisive observation | track and sector at failure, drive read error, media-change generation and retry 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: clean or replace the disc, then verify the identical sector on a second drive. |
Reading the evidence
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with reading CD media during playback after the disc was classified successfully; 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 mediacd read error 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 reading CD media during playback after the disc was classified successfully.
Verification procedure
- Capture
0xC00D10CD, it, the exact Player/API operation and the first timestamp at which it appears. - Save track and sector at failure, drive read error, media-change generation and retry result; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- correlate the result with physical drive identifier, media-change generation, disc and track number, table-of-contents result, digital/analog mode, error-correction flag, read speed, rip state, output format and first lower-level drive error.
- Reproduce once with the original source and destination, then apply only this change: clean or replace the disc, then verify the identical sector on a second drive.
- Create a fresh operation generation and verify that the original call advances beyond the mediacd read error boundary.
Results that may look similar
| Related result | Different diagnostic boundary |
|---|---|
NS_E_CORECD_NOTAMEDIACD | classifying the inserted medium as an audio/media CD for the Player object model |
NS_E_UNABLE_TO_CREATE_RIP_LOCATION | creating or resolving the destination used for newly ripped tracks |
NS_E_WMP_RIP_FAILED | finalizing an overall rip session after one or more track operations failed |
Change the smallest responsible condition
The targeted action is to clean or replace the disc, then verify the identical sector on a second drive. While retesting it, keep unrelated media, device, playlist and network values unchanged.
When verifying it, do not polish the disc, change the driver, switch read modes and change the rip format in one test; preserve the first failing track and alter one boundary at a time.
References
- About CD Ripping.
- Windows Media Player object model.
- IDiscRecorder2::DisableMcn and media-change notification.
- WAVEFORMATEX structure.
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