extracting frames from movies on iPhone

February 10, 2010

The iPhone SDK provides a high level movie player, but so far there is no way to decode movies or extract frames. In this post I will show you how to do that using FFmpeg.


how to debug EXC_BAD_ACCESS on iPhone

October 31, 2009

EXC_BAD_ACCESS. Debugging this one is on par with figuring out why the wife says “not tonight, honey.” And they are equally unfortunate situations. Let’s see what we can do about EXC_BAD_ACCESS.


converting NSString to JSON string

October 29, 2009

I needed a quick way to encode an NSString to be used in a JSON object in an iPhone project. There are libraries to do this like TouchJSON, but I didn’t want to link a whole library to insert a string into a Facebook query.


provisioning profile not showing in 2.x project

October 10, 2009

I’ve recently worked on an update to MeanPhoto. The project was originally done using the iPhone SDK 2.1. I made the new distribution build with the 3.1.2 SDK without any issues, but when I uploaded the binary on iTunesConnect, I got an error saying that the app was not signed with an Apple provisioning profile. […]