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ISpStreamFormatConverter::ScaleBaseToConvertedOffset converts an offset in the base stream into the equivalent offset in the converted stream. This method is primarily used internally to map event offsets.
HRESULT ScaleBaseToConvertedOffset(
ULONGLONG ullOffsetBaseStream,
ULONGLONG *pullOffsetConvertedStream
);
Value | Description |
---|---|
S_OK | Function completed successfully. |
E_POINTER | pullOffsetConvertedStream is bad or invalid. |
SPERR_UNINITIALIZED | The base stream is not initialized. |
E_INVALIDARG | ullOffsetBaseStream is less than the initial seek position of the current steam. *pullOffsetConvertedStream is set to 0xFFFFFFFFFFFFFFFF. |
When performing a mapping with a compressed format, it is possible to introduce small rounding errors, since the content of the audio is not used to perform the conversion.
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