setScale method
Set the video scaling factor
That is the ratio of the number of pixels on screen to the number of pixels in the original decoded video in each dimension. Zero is a special value; it will adjust the video to the output window/drawable (in windowed mode) or the entire screen.
scale
the scaling factor, or zero
Implementation
void setScale(double scale) async {
await _ensureInitialized();
if(_isNeedDisposed) return ;
await _vlcApi.setScale(scale,_textureId);
}