public bool FindAudioInfo(ref WM_MEDIA_TYPE mediaType, ref WaveFormat waveFormat)
{
bool success = false;
IWMStreamConfig stream = null;
IWMMediaProps props = null;
Guid mediaTypeGuid;
IWMProfile profile = (IWMProfile)_reader;
for (uint i = 0; i < _readerStreamCount; i++)
{
profile.GetStream(i, out stream);
props = (IWMMediaProps)stream;
WMMediaProps mediaProps = new WMMediaProps(props);
mediaType = mediaProps.MediaType;
mediaTypeGuid = mediaType.majortype;
if (mediaTypeGuid == MediaTypes.WMMEDIATYPE_Audio)
{
Logger.WriteLogMessage("Found audio stream [" + i + "], format type [" + mediaType.formattype + "].");
waveFormat = (WaveFormat)Marshal.PtrToStructure(mediaType.pbFormat, typeof(WaveFormat));
success = true;
break;
}
}
return(success);
}
public bool FindAudioInfo(ref WM_MEDIA_TYPE mediaType, ref WaveFormat waveFormat)
{
bool success = false;
IWMStreamConfig stream = null;
IWMMediaProps props = null;
Guid mediaTypeGuid;
IWMProfile profile = (IWMProfile)_reader;
for (uint i = 0; i < _readerStreamCount; i++)
{
profile.GetStream(i, out stream);
props = (IWMMediaProps)stream;
WMMediaProps mediaProps = new WMMediaProps(props);
mediaType = mediaProps.MediaType;
mediaTypeGuid = mediaType.majortype;
if (mediaTypeGuid == MediaTypes.WMMEDIATYPE_Audio)
{
Logger.WriteLogMessage("Found audio stream [" + i + "], format type [" + mediaType.formattype + "].");
waveFormat = (WaveFormat)Marshal.PtrToStructure(mediaType.pbFormat, typeof(WaveFormat));
success = true;
break;
}
}
return success;
}
