It will be good if the Pipe upload supported NSData objects directly apart from NSURL objects.

For scenarios like uploading a picture taken from camera, where the result points to sandbox NSURL object it will be nice if the user didn't have to write the representation on a local data file but instead use the NSData directly from an asset.

The conversion't can't be avoided aka extract the bytes from 'ALAssetRepresentation', but it will avoid the extra 'save' step:

more on the conv here:
http://stackoverflow.com/questions/8791049/get-video-nsdata-from-alasset-url-ios