getTrackPublicationBySource method

T? getTrackPublicationBySource(
  1. TrackSource source
)

Tries to find a TrackPublication by its TrackSource. Otherwise, will return a compatible type of TrackPublication for the TrackSource specified. returns null when not found.

Implementation

T? getTrackPublicationBySource(TrackSource source) {
  if (source == TrackSource.unknown) return null;
  // try to find by source
  final result = trackPublications.values.firstWhereOrNull((e) => e.source == source);
  if (result != null) return result;
  // try to find by compatibility
  return trackPublications.values.where((e) => e.source == TrackSource.unknown).firstWhereOrNull((e) =>
      (source == TrackSource.microphone && e.kind == TrackType.AUDIO) ||
      (source == TrackSource.camera && e.kind == TrackType.VIDEO) ||
      (source == TrackSource.screenShareVideo && e.kind == TrackType.VIDEO) ||
      (source == TrackSource.screenShareAudio && e.kind == TrackType.AUDIO));
}