barbaramartina

// See http://mindsea.com/2012/12/18/downscaling-huge-alassets-without-fear-of-sigkill for details

#import <AssetsLibrary/AssetsLibrary.h>
#import <ImageIO/ImageIO.h>

// Helper methods for thumbnailForAsset:maxPixelSize:
static size_t getAssetBytesCallback(void *info, void *buffer, off_t position, size_t count) {
    ALAssetRepresentation *rep = (__bridge id)info;
    
    NSError *error = nil;