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NS_E_PDA_TRANSCODECACHEFULL
Practical scope of NS_E_PDA_TRANSCODECACHEFULL
This HRESULT is produced at allocating temporary conversion output for device-targeted media. This result belongs to device-targeted media conversion, not to an undifferentiated “Windows Media problem.”
Pipeline position
At the checkpoint, before transfer, the Player can compare the source media type with the device’s format capabilities and build a conversion path; Source decoding, target encoding, metadata generation, temporary-cache output and optional encryption are separate phases. The page-specific boundary is allocating temporary conversion output for device-targeted media.
A source that plays locally can still lack a valid conversion path to the specific format and limits advertised by the connected device. In a typical failing run, several large video conversions exhaust the local cache before transfer.
Reproduction record
| Evidence | Why it matters for transcodecachefull |
|---|---|
| Producing object and operation | source path and media type, decoder and encoder identifiers, target audio/video/image format, device capability response, output dimensions/bitrate, cache path and free space, EFS state, conversion stage and first codec HRESULT |
| Decisive observation | transcode cache path, free space, active cached outputs and estimated result size |
| 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: free or relocate the cache and restart only the affected conversion. |
Reading the evidence
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with allocating temporary conversion output for device-targeted media; 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 transcodecachefull 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 allocating temporary conversion output for device-targeted media.
Verification procedure
- Capture
0xC00D1187, it, the exact Player/API operation and the first timestamp at which it appears. - Save transcode cache path, free space, active cached outputs and estimated result size; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- correlate the result with source path and media type, decoder and encoder identifiers, target audio/video/image format, device capability response, output dimensions/bitrate, cache path and free space, EFS state, conversion stage and first codec HRESULT.
- Reproduce once with the original source and destination, then apply only this change: free or relocate the cache and restart only the affected conversion.
- Create a fresh operation generation and verify that the original call advances beyond the transcodecachefull boundary.
Results that may look similar
| Related result | Different diagnostic boundary |
|---|---|
NS_E_PDA_CANNOT_TRANSCODE | building any valid source-decoder to target-encoder conversion path |
NS_E_PDA_TRANSCODE_NOT_PERMITTED | applying item policy or rights that prohibit conversion |
NS_E_PDA_ENCODER_NOT_RESPONDING | waiting for the selected conversion encoder to produce progress or completion |
Change the smallest responsible condition
The targeted action is to free or relocate the cache and restart only the affected conversion. While retesting it, keep unrelated media, device, playlist and network values unchanged.
When verifying it, do not install codec packs or clear every cache before saving the source/target media types and first codec activation error; Change one decoder, encoder or target setting at a time.
References
- Sending a file to a portable device.
- Windows Media Device Manager metadata constants.
- Portable-device capabilities and shell requirements.
- WAVEFORMATEX structure.
- Encrypting File System overview.
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