ASDefaultPlaybackButton 参数类型兼容问题，运行报错

+ (void)drawRect:(CGRect)bounds withParameters:(NSDictionary *)parameters isCancelled:(asdisplaynode_iscancelled_block_t)isCancelledBlock isRasterizing:(BOOL)isRasterizing

{

  ASDefaultPlaybackButtonType buttonType = (ASDefaultPlaybackButtonType)[parameters[@"buttonType"] intValue];

  UIColor *color = parameters[@"color"];



  CGContextRef context = UIGraphicsGetCurrentContext();

  CGContextSaveGState(context);

  UIBezierPath* bezierPath = [UIBezierPath bezierPath];

  if (buttonType == ASDefaultPlaybackButtonTypePlay) {

    [bezierPath moveToPoint: CGPointMake(0, 0)];

    [bezierPath addLineToPoint: CGPointMake(0, bounds.size.height)];

    [bezierPath addLineToPoint: CGPointMake(bounds.size.width, bounds.size.height/2)];

    [bezierPath addLineToPoint: CGPointMake(0, 0)];

    [bezierPath closePath];

  } else if (buttonType == ASDefaultPlaybackButtonTypePause) {

    CGFloat pauseSingleLineWidth = bounds.size.width / 3.0;

    [bezierPath moveToPoint: CGPointMake(0, bounds.size.height)];

    [bezierPath addLineToPoint: CGPointMake(pauseSingleLineWidth, bounds.size.height)];

    [bezierPath addLineToPoint: CGPointMake(pauseSingleLineWidth, 0)];

    [bezierPath addLineToPoint: CGPointMake(0, 0)];

    [bezierPath addLineToPoint: CGPointMake(0, bounds.size.height)];

    [bezierPath closePath];

    [bezierPath moveToPoint: CGPointMake(pauseSingleLineWidth * 2, 0)];

    [bezierPath addLineToPoint: CGPointMake(pauseSingleLineWidth * 2, bounds.size.height)];

    [bezierPath addLineToPoint: CGPointMake(bounds.size.width, bounds.size.height)];

    [bezierPath addLineToPoint: CGPointMake(bounds.size.width, 0)];

    [bezierPath addLineToPoint: CGPointMake(pauseSingleLineWidth * 2, 0)];

    [bezierPath closePath];

  }



  [color setFill];

  [bezierPath fill];



  CGContextRestoreGState(context);

}