I would like to apply filters(Lomo, Instant, Diana, Loko and Old Time etc) on videos taking from my iPhone application, like PATH iPhone application doing. How can i do that? Is there any sample application available online? Please advice.
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possible duplicate of [How to apply "filters" to AVCaptureVideoPreviewLayer](http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer) – Brad Larson Dec 12 '11 at 16:29
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1See also [Capturing video while processing it through a shader on iPhone](http://stackoverflow.com/questions/5228406/capturing-video-while-processing-it-through-a-shader-on-iphone) which handles the case of recording this video (see the comments on that question for more about this). – Brad Larson Dec 12 '11 at 16:30