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NS_E_WMP_JPG_FRACT_SAMPLE_NOTIMPL
Diagnosing NS_E_WMP_JPG_FRACT_SAMPLE_NOTIMPL
0xC00D103B maps to this result. Its actionable interpretation is the JPEG uses fractional sampling behavior not implemented by the WMP decoder within the skin artwork decoder and raster-file contract; the producing mechanism is the image-loading path used by Windows Media Player skins to identify GIF, PNG, BMP or JPEG data, validate format-specific headers and create a bitmap usable by a UI control.
Evidence that separates the result
| Field | What to record |
|---|---|
| What to verify | Record horizontal and vertical sampling factors for every component and the resampling request |
| Artifact identity | Archive member name, byte length, hash and file signature for the JPEG fractional sample not implemented reproduction |
| Runtime state | Format header fields, dimensions, bit depth and color model for this reproduction |
| Owning object | First invalid marker/chunk and its byte offset for this reproduction |
| Lower-level result | Decoder-supported coding mode versus the file’s declared mode for this reproduction |
| Correlation | Standalone decode result outside the skin package using the same bytes for this reproduction |
Representative case: An unusual chroma-sampling layout reaches a fractional resampling path absent from the embedded JPEG library.
Focused test and correction
- Confirm the failure directly: record horizontal and vertical sampling factors for every component and the resampling request.
- After you re-encode with integer sampling ratios supported by the target Player, recreate the owning WMP object and verify that the corrected generation completes.
Nearby results with different conditions
| Result | Different condition |
|---|---|
NS_E_WMP_JPG_IMAGE_TOO_BIG | The JPEG dimensions exceed the decoder’s accepted image-size boundary |
NS_E_WMP_JPG_READ_ERROR | The JPEG source cannot be read reliably while the decoder requests more bytes |
NS_E_WMP_JPG_NO_IMAGE_IN_FILE | The JPEG container has recognizable framing but no decodable image frame |
Verification
Repeat the original operation with a fresh owning object after the identified precondition is corrected.
Technical references
- Skin files and image resources — API or format context.
- ITU-T T.81 JPEG specification — documentation for this result.
- JPEG standards overview — normative or platform material relevant to this result.
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