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NS_E_DVD_NO_AUDIO_STREAM
Where this result occurs in the Player workflow
NS_E_DVD_NO_AUDIO_STREAM (0xC00D116B) marks finding and connecting an enabled DVD audio stream. For NS_E_DVD_NO_AUDIO_STREAM, preserve that boundary even when the visible Player message is broader than the producing operation.
Mechanism
At the NS_E_DVD_NO_AUDIO_STREAM checkpoint, dVD playback is built around the DirectShow DVD Navigator, which parses DVD-Video navigation data and exposes separate video, audio and subpicture outputs; Decoder availability, title-domain state, region policy, parental level and copy-protection negotiation are independent checkpoints. The page-specific boundary is finding and connecting an enabled DVD audio stream.
For NS_E_DVD_NO_AUDIO_STREAM, successful reading of files from the DVD volume does not prove that the navigation program, decoder graph or protected output path can be used. A representative way to reach this result is that the current title has no enabled audio stream compatible with the graph.
State snapshot
| Evidence | Why it matters for no audio stream |
|---|---|
| Producing object and operation | disc path and media generation, DVD domain, title/chapter, region values for disc/drive/decoder, selected audio/video/subpicture streams, decoder CLSIDs, renderer and display mode, protection negotiation result and first DirectShow HRESULT |
| Decisive observation | available audio streams, selected language/format, audio decoder and renderer state |
| Generation identity | Record the same disc, device, job or Player operation generation that returned NS_E_DVD_NO_AUDIO_STREAM; 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 NS_E_DVD_NO_AUDIO_STREAM. |
| Controlled comparison | Repeat the producing call after changing only this condition: select an existing audio stream and working decoder/output device. |
How to interpret the next test
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with finding and connecting an enabled DVD audio stream; correct that state before changing unrelated codecs, drivers or playlists. |
A lower layer failed before NS_E_DVD_NO_AUDIO_STREAM | Preserve that earlier HRESULT or device result because NS_E_DVD_NO_AUDIO_STREAM may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the no audio stream diagnosis rather than a broad installation failure. |
The code changes after retesting NS_E_DVD_NO_AUDIO_STREAM | The NS_E_DVD_NO_AUDIO_STREAM boundary was passed; diagnose the new HRESULT as the next independent stage. |
NS_E_DVD_NO_AUDIO_STREAM scopes the failure to finding and connecting an enabled DVD audio stream. The presence of NS_E_DVD_NO_AUDIO_STREAM does not establish a system-wide media failure; verify its owning operation before changing unrelated Player components.
Controlled diagnostic sequence
- Capture
0xC00D116B,NS_E_DVD_NO_AUDIO_STREAM, the exact Player/API operation and the first timestamp at which it appears. - Save available audio streams, selected language/format, audio decoder and renderer state; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- For
NS_E_DVD_NO_AUDIO_STREAM, correlate the result with disc path and media generation, DVD domain, title/chapter, region values for disc/drive/decoder, selected audio/video/subpicture streams, decoder CLSIDs, renderer and display mode, protection negotiation result and first DirectShow HRESULT. - Reproduce once with the original source and destination, then apply only this change: select an existing audio stream and working decoder/output device.
- Create a fresh operation generation and verify that the original call advances beyond the no audio stream boundary.
Nearby codes with different owners
| Related result | Different diagnostic boundary |
|---|---|
NS_E_DVD_GRAPH_BUILDING | issuing a DVD operation before the playback graph has completed construction |
NS_E_DVD_NO_VIDEO_STREAM | finding and connecting a playable video stream from the DVD Navigator |
NS_E_DVD_DISC_DECODER_REGION | checking the disc region against the decoder’s permitted region |
Focused correction
For this occurrence, select an existing audio stream and working decoder/output device. Recreate only the object that produced NS_E_DVD_NO_AUDIO_STREAM and repeat the original operation against the same controlled input.
When verifying NS_E_DVD_NO_AUDIO_STREAM, do not bypass region or copy-protection checks; Diagnose the supported playback path by preserving the exact disc, drive, decoder and display connection involved.
Audio-stream evidence is independent of DVD video
A DVD title can expose a valid video pin while the selected audio stream is absent, disabled or unusable by the current graph. Record the number of audio streams reported for the active title, the selected stream index, language code, coding mode and whether the navigator enabled that stream. Then record the decoder input subtype and the renderer endpoint. This separates a navigation-selection problem from an audio-decoder or output-device problem.
| Observation | Audio-specific conclusion |
|---|---|
| The title reports no audio streams | The disc/navigation structure is the first boundary; installing another video decoder cannot create an authored audio stream. |
| An audio stream exists but its decoder pin will not connect | Compare the stream coding mode with the installed audio decoder’s accepted media types. |
| The decoder connects but the renderer does not | Inspect the selected audio endpoint and negotiated PCM format rather than DVD title selection. |
Technical references for NS_E_DVD_NO_AUDIO_STREAM
- DVD decoder support in Windows.
- DirectShow filters and DVD Navigator.
- DirectShow DVD error and success codes.
- IDvdControl2 interface.
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