| Previous | Next |
| NS_E_PDA_SYNC_LOGIN_ERROR | NS_E_CANNOT_SYNC_DRM_TO_NON_JANUS_DEVICE |
NS_E_PDA_TRANSCODE_CODEC_NOT_FOUND
Where this result occurs in the Player workflow
NS_E_PDA_TRANSCODE_CODEC_NOT_FOUND (0xC00D1245) marks activating a decoder or encoder required by the chosen conversion topology. Preserve that boundary even when the visible Player message is broader than the producing operation.
Mechanism
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 activating a decoder or encoder required by the chosen conversion topology.
A source that plays locally can still lack a valid conversion path to the specific format and limits advertised by the connected device. A representative way to reach this result is that the source decoder exists but the target device encoder is missing.
State snapshot
| Evidence | Why it matters for transcode codec not found |
|---|---|
| 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 | missing transform role, media subtype, CLSID and activation HRESULT |
| 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: install or select the exact required decoder/encoder instead of a broad codec pack. |
How to interpret the next test
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with activating a decoder or encoder required by the chosen conversion topology; 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 transcode codec not found 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 activating a decoder or encoder required by the chosen conversion topology.
Controlled diagnostic sequence
- Capture
0xC00D1245, it, the exact Player/API operation and the first timestamp at which it appears. - Save missing transform role, media subtype, CLSID and activation HRESULT; 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: install or select the exact required decoder/encoder instead of a broad codec pack.
- Create a fresh operation generation and verify that the original call advances beyond the transcode codec not found boundary.
Nearby codes with different owners
| Related result | Different diagnostic boundary |
|---|---|
NS_E_PDA_CANNOT_TRANSCODE_TO_IMAGE | finding an image target type and dimensions accepted by the device |
NS_E_PDA_CANNOT_TRANSCODE_TO_VIDEO | finding a video target format and profile accepted by the device |
NS_E_PDA_CANNOT_TRANSCODE_TO_AUDIO | finding an audio target format accepted by the device |
Focused correction
For this occurrence, install or select the exact required decoder/encoder instead of a broad codec pack. Recreate only the object that produced it and repeat the original operation against the same controlled input.
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.
Technical 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.
Looking for a different code? Search another status or error code.