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; }