WavDest Filter Sample
The WavDes filter writes an audio stream to a WAV file. It takes a single audio stream as input, and its output pin must be connected to the File Writer filter. This sample filter is based on the CTransformFilter class.
To download the DirectShow SDK samples, install the latest version of the Windows SDK.
This sample is installed under the following path: [SDK Root]\Samples\Multimedia\DirectShow\Filters\WavDest.