#import "GPUImageAverageColor.h"
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@interface GPUImageLuminosity : GPUImageAverageColor
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{
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GLProgram *secondFilterProgram;
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GLint secondFilterPositionAttribute, secondFilterTextureCoordinateAttribute;
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GLint secondFilterInputTextureUniform, secondFilterInputTextureUniform2;
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GLint secondFilterTexelWidthUniform, secondFilterTexelHeightUniform;
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}
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// This block is called on the completion of color averaging for a frame
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@property(nonatomic, copy) void(^luminosityProcessingFinishedBlock)(CGFloat luminosity, CMTime frameTime);
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- (void)extractLuminosityAtFrameTime:(CMTime)frameTime;
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- (void)initializeSecondaryAttributes;
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@end
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