Callback routine - called once for each audio or video frame
Parameters
- sFileName
- Filename currently being processed
- SampleTime
- Time stamp in seconds
- pBuffer
- Pointer to the buffer
- BufferLen
- Length of the buffer
Return Value
Return S_OK if successful, or an HRESULT error code otherwise. This value is sent as the return value to ISampleGrabberCB::BufferCB
Remarks
The buffer can be examined or modified.