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NS_E_CD_SPEEDDETECT_NOT_ENOUGH_READS
Practical scope of NS_E_CD_SPEEDDETECT_NOT_ENOUGH_READS
This HRESULT is produced at estimating drive playback speed from a track long enough for calibration. 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 estimating drive playback speed from a track long enough for calibration.
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, a very short track ends before the detector collects its minimum sample count.
Reproduction record
| Evidence | Why it matters for speeddetect not enough reads |
|---|---|
| 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 duration, number of completed read samples, measured timings and chosen speed |
| 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: calibrate with a longer track or skip speed estimation for the short item. |
Reading the evidence
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with estimating drive playback speed from a track long enough for calibration; 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 speeddetect not enough reads 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 estimating drive playback speed from a track long enough for calibration.
Verification procedure
- Capture
0xC00D11FE, it, the exact Player/API operation and the first timestamp at which it appears. - Save track duration, number of completed read samples, measured timings and chosen speed; 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: calibrate with a longer track or skip speed estimation for the short item.
- Create a fresh operation generation and verify that the original call advances beyond the speeddetect not enough reads boundary.
Results that may look similar
| Related result | Different diagnostic boundary |
|---|---|
NS_E_CD_QUEUEING_DISABLED | adding a CD track while the Player’s CD queue feature is disabled |
NS_E_SLOW_READ_DIGITAL_WITH_ERRORCORRECTION | sustaining real-time digital playback while correction retries are enabled |
NS_E_CD_MEDIA_CATALOG_NUMBER_INVALID | validating the disc-level Media Catalog Number |
Change the smallest responsible condition
The targeted action is to calibrate with a longer track or skip speed estimation for the short item. 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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