protected override void OpenMediaAsync()
{
// Create a parser
_RiffParser = new WavRiffParser(_stream);
// Parse the header
_RiffParser.ParseWAVEHeader();
_RiffParser.wfx.ValidateWaveFormat();
_startPosition = _currentPosition = _RiffParser.DataPosition;
// Init
Dictionary <MediaStreamAttributeKeys, string> streamAttributes = new Dictionary <MediaStreamAttributeKeys, string>();
Dictionary <MediaSourceAttributesKeys, string> sourceAttributes = new Dictionary <MediaSourceAttributesKeys, string>();
List <MediaStreamDescription> availableStreams = new List <MediaStreamDescription>();
// Stream Description
streamAttributes[MediaStreamAttributeKeys.CodecPrivateData] = _RiffParser.wfx.ToHexString(); // wfx
MediaStreamDescription msd = new MediaStreamDescription(MediaStreamType.Audio, streamAttributes);
_audioDescription = msd;
availableStreams.Add(_audioDescription);
sourceAttributes[MediaSourceAttributesKeys.Duration] = _RiffParser.Duration.ToString();
ReportOpenMediaCompleted(sourceAttributes, availableStreams);
}
protected override void CloseMedia()
{
_startPosition = _currentPosition = 0;
_RiffParser = null;
_audioDescription = null;
}
