videoItem property

MovieEntity? get videoItem

Implementation

MovieEntity? get videoItem => _videoItem;

set videoItem (MovieEntity? value)

Implementation

set videoItem(MovieEntity? value) {
  assert(!_isDisposed, '$this has been disposed!');
  if (_isDisposed || identical(_videoItem, value)) return;
  value?.validate();
  if (isAnimating) {
    stop();
  }
  if (value == null) {
    clear();
  }
  _disposeAudioLayers();
  if (_videoItem != null && _videoItem!.autorelease) {
    _videoItem!.dispose();
  }
  _videoItem = value;
  if (value != null) {
    final movieParams = value.params;
    int fps = movieParams.fps;
    // avoid dividing by 0, use 20 by default
    // see https://github.com/svga/SVGAPlayer-Web/blob/1c5711db068a25006316f9890b11d6666d531c39/src/videoEntity.js#L51
    if (fps == 0) fps = 20;
    duration = Duration(
      microseconds: max(1, (movieParams.frames / fps * 1000000).round()),
    );

    for (final audio in value.audios) {
      final layer = SVGAAudioLayer(audio, value);
      layer.setVolume(_effectiveVolume);
      _audioLayers.add(layer);
    }
  } else {
    duration = Duration.zero;
  }
  // reset progress after videoitem changed
  reset();
  _canvasNeedsClear = value == null;
}