addNullAudio method

FFMpegStream addNullAudio()

Adds a virtual audio input asset, which can be used to fill audio when no other audio source is available.

Implementation

FFMpegStream addNullAudio() {
  final input = FFMpegInput.virtualDevice('anullsrc=sample_rate=48000');
  final stream = _inputs.putIfAbsent(
      input,
      () => FFMpegStream(
            videoId: null,
            audioId: '[${_inputs.length}]',
          ));
  return stream;
}