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IAudioStreamSample Interface
The IAudioStreamSample interface retrieves information from the underlying IAudioData data objects.
For sample code that implements the audio streaming interfaces, see Multimedia Streaming Sample Code.
When to Implement
Implement this interface on audio stream sample objects when they need access to an IAudioData object's data .
When to Use
Use this interface when your application needs to access an IAudioData object's data for its audio stream.
Methods in Vtable Order
IUnknown methods Description QueryInterface Retrieves pointers to supported interfaces. AddRef Increments the reference count. Release Decrements the reference count.
IAudioStreamSample methods Description GetAudioData Retrieves the address of a pointer to the IAudioData object associated with the sample. IAudioStreamSample Interface
IAudioStreamSample::GetAudioDataRetrieves the address of a pointer to the IAudioData object associated with the sample.
HRESULT GetAudioData(
IAudioData **ppAudio );Parameters
- ppAudio
- [out] Address of a pointer to the IAudioData object.
Return Values
Returns S_OK if successful or E_POINTER if the parameter is NULL.
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