iPhone's SnappyCam App Captures 8MP Photos At 20 Pictures Per Second

SnappyCam Pro - Key features

If you are fond of photography and love to get the perfect shot of everything you capture with your iphone then yes, this "snappycam app" is just made for you. It’s pretty awesome. The developer of the latest version of SnappyCam Pro claims that it can produce high-quality 8 MP images shooting at 20 full-sensor pictures/sec on your iPhone 5 and significant speed improvements on older models and other iOS devices.

SnappyCam was recently updated to allow iPhone photographers the ability to capture full-sensor 8MP photos at 20 pictures per second on iPhone 5 and 12 pictures per second on iPhone 4S.

iPhone's SnappyCam App Captures 8MP Photos At 20 Pictures Per Second

The full-sensor feature gives the iPhone the ability to use every pixel on the camera sensor to generate higher quality photos with a wider field of view. You can also shoot at multiple aspect ratios, including 4:3, widescreen, square, and more. No more cropping your Instagram photos in post.

SnappyCam also has the ability to zoom up to 6X, and a built-in time lapse setting that will slow image capture to once per hour.

SnappyCam also has the ability to zoom up to 6X, and a built-in time lapse setting that will slow image capture to once per hour

At the heart of SnappyCam Pro is a capture and image signal processing engine that took a year of research to develop. Photos are captured and buffered and then processed by the multi-threaded JPEG compression engine which compresses shots in software considerably faster than a hardware encoder.

John Papandriopoulos, the inventor and developer of SnappyCam, says he had to rewrite the JPEG codec to make these speed improvements feasible. He studied the fast Discrete Cosine Transform (DCT) algorithms developed when JPEG was first introduced in the 1990s. The research was then applied to create a new algorithm suitable for the ARM NEON SIMD co-processor instruction set architecture. "The final implementation comprises nearly 10,000 lines of hand-tuned assembly code and over 20,000 lines of low-level C codec," he says. "At first we did try to leverage the iPhone graphics processing unit for the DCT computation. It turned out to be a dead end. The ARM NEON approach was the way to go," Papandriopoulos adds. "We also optimized out pipeline bubbles using a cycle counter tool so that every clock tick was put to work."

The app lets you use the iPhone’s volume control as a shutter button, including the volume control on the EarPods. The heads-up-display camera controls can be brought into the frame for easy access to changes, but can be hidden out of the way when you don’t need them. The time-lapse feature takes photos fast enough to look like a movie, or as slow as one shot per hour for those of you that are into time-lapse photography.

SnappyCam Pro - Settings

For now, the app will not be ported to Android although this is feasible where similar ARM processors with compatible NEON SIMD extensions are used.

SnappyCam version 2 was reasonably … snappy, but it had to sacrifice image quality. It could only take 20 photos per second at a 3-megapixel resolution. But Version 3.0 of SnappyCam Pro has fulfilled all the limitations and arrived on the App Store for a limited time sale price of $0.99. The app requires iOS 4.2 or later and is compatible with hardware going back to the iPhone 3GS.

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Write by: RC - Wednesday, August 7, 2013