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NS_E_MAX_PACKET_SIZE_TOO_SMALL
What NS_E_MAX_PACKET_SIZE_TOO_SMALL means at its owning API
When this result (0xC00D0BD1) appears, the first blocked transition is the configured ASF packet ceiling cannot contain data generated by the profile. In practice, the packet size too small media-format check must be reconstructed from the same URL, stream, object generation and call sequence.
Windows Media Format separates the compressed stream profile from the raw input format and from the decoded output selected by a reader. The writer then packetizes samples, applies attributes and optional data-unit extensions, so failure at one boundary does not prove that the ASF container itself is unreadable. In the case of this result, preserve the earliest lower-level result because wrappers can map several different causes to the same HRESULT.
A controlled media-format test
- Log
0xC00D0BD1, this result, the exact operation and the first failure time when isolating this case. - Preserve ASF packet number, packet size, send and receive timestamps, sequence number, jitter window and the profile packet-size setting at this checkpoint.
- Do not reuse a graph, session, reader or metadata object created before the relevant configuration or resource changed.
- Perform one isolated test: load a known-good profile for the same codec, then reintroduce the disputed profile field one setting at a time during a controlled this retest.
- Repeat through the same API and protocol path; a different player or local-copy test is useful only as a comparison, not as proof that this condition media-format check is fixed.
- Confirm the expected next state and retain any new HRESULT as a separate downstream result before closing this incident.
What completed, and what did not
Before this condition media-format check, earlier setup may have succeeded, but the configured ASF packet ceiling cannot contain data generated by the profile was not completed. This is why logs should preserve both the last successful call and this result.
The targeted comparison is load a known-good profile for the same codec, then reintroduce the disputed profile field one setting at a time at this checkpoint. It changes the disputed precondition without changing the media identity or unrelated machine settings.
Profile and sample evidence
| Capture | Why it matters |
|---|---|
| Owning call | Record the API method, object identity, thread or callback and timestamp for this condition media-format check. |
| Decisive values | ASF packet number, packet size, send and receive timestamps, sequence number, jitter window and the profile packet-size setting. |
| Object generation | Note when the reader, writer, graph, URL object, streaming session or metadata provider was created; stale state can reproduce it after configuration has changed. |
| First nested result | Keep the earliest codec, COM, socket, DNS, parser or provider status before it; later UI messages are less specific. |
| Comparison case | Use one known-good resource that exercises the same condition media-format check while changing only the rejected precondition. |
How to read the next HRESULT
| Retest result | Interpretation |
|---|---|
| The identical call still returns the code | The values governing this condition media-format check are unchanged, or the caller is still using an older object generation. |
| A fresh object succeeds | Lifetime or cached state contributed to it; correct object recreation instead of applying a machine-wide workaround. |
| The call advances to another HRESULT | this condition media-format check boundary was cleared. Diagnose the new code at its own format, graph, URL, network or metadata stage. |
| Only one resource fails | The evidence favors content, URL, publishing point, stream, attribute or object-specific state rather than a global outage before closing this incident. |
Misleading actions
- Changing several profile and codec settings at once, which hides the first incompatible field in the diagnostic record.
- Do not erase the first occurrence by repeatedly retrying; callbacks and reconnects can replace the useful state with a later wrapper error when isolating this case.
- Do not publish credentials, protected-content material or complete private URLs at this checkpoint. Record redacted identifiers, lengths, hashes and protocol fields needed to reproduce this condition media-format check.
Nearby results are not interchangeable
Main distinction: It belongs to format, profile or sample processing, not merely to file-name or network resolution during a controlled this retest.
| Nearby HRESULT | How to compare it |
|---|---|
NS_E_NO_MORE_SAMPLES | the reader reached the end of the selected range or stream enumeration |
NS_E_INVALID_SAMPLING_RATE | The audio sample rate is outside the values accepted by the selected codec and profile |
NS_E_LATE_PACKET | a network packet missed the useful playout or reordering window |
Technical references
- Windows Media Format SDK overview
- Input, stream and output formats
- Profiles
- Windows Media SDK objects
- Microsoft HRESULT registry
Retain the post-fix trace so a later pipeline result is not mistaken for recurrence of this boundary when isolating this case.
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