iphone - Convert .mov to base64 encoded string IOS -

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i trying convert media files in ios app base 64 encoded strings. when convert image, see encoded string on console.

 nsdata *videodata = [nsdata datawithcontentsoffile:[[nsbundle mainbundle] pathforresource:@"photo" oftype:@"jpg"]]; nsstring *base64encoded = [videodata base64encodedstringwithoptions:0]; nslog(@"%@", base64encoded);

but when try give .mov file, not print anything.

 nsdata *videodata = [nsdata datawithcontentsoffile:[[nsbundle mainbundle] pathforresource:@"movie" oftype:@"mov"]];

can please tell me doing wrong? or how can convert .mov file base64 encoded string?

thanks

check below link , able find solution.

http://cocoadev.com/basesixtyfour


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