TIEMediaFoundationSourceReader.IndexOfFirstStream
Declaration
function IndexOfFirstStream(const streamType: WideString): integer;
Description
Returns the index of first stream of the specified type, or -1 if the stream type is not found.
| Parameter | Description |
| streamType | A string representing the stream type. Can be any one of the values accepted by GetStreamType |
Example
// Search for audio stream and enables audio renderer for that stream
audioStreamIndex := ImageEnView1.IO.MediaFoundationSourceReader.IndexOfFirstStream(mmf_AUDIO_STREAM);
ImageEnView1.IO.MediaFoundationSourceReader.SetSelectedStreams(audioStreamIndex, true);
ImageEnView1.IO.MediaFoundationSourceReader.SetMediaTypeAudio(audioStreamIndex, 'PCM');
ImageEnView1.IO.MediaFoundationSourceReader.PushNotifyReceiver( TIEMediaFoundationAudioRenderer.Create(audioStreamIndex) );
See Also
◼ GetStreamType◼ StreamCount